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Cov av nplaum kaolin calcined rau kev tsim cov khoom siv ceramics daim ntawv txheej yas filler roj hmab txhim kho thiab cov qauv pleev xim txhawb nqa kev tsim khoom lag luam
Hmoov Kaolin yog ib qho hmoov av uas tsis yog hlau uas muaj nyob hauv ntuj, feem ntau yog ua los ntawm kaolinite, uas tau tsim los ntawm kev hloov pauv mus sij hawm ntev, kev hloov pauv hydrothermal, thiab kev hloov pauv ntawm cov pob zeb aluminosilicate. Cov hmoov av no siv dav hauv ntau qhov chaw lag luam vim nws muaj cov yam ntxwv ntawm lub cev thiab tshuaj lom neeg, ua rau nws yog ib yam khoom tseem ceeb hauv kev tsim khoom niaj hnub no. Kev ua cov hmoov kaolin muaj ntau yam kauj ruam: tsoo cov av kaolin nyoos ua cov khoom me me, tshem tawm cov khoom tsis huv los ntawm kev sib cais lub cev, sib tsoo kom tau qhov zoo li xav tau, thiab xaiv tau calcination lossis kev hloov kho qhov chaw kom txhim kho nws cov yam ntxwv ua haujlwm.Tus nqi ntawm cov hmoov kaolin hauv kev lag luam yog los ntawm nws cov khoom tseem ceeb, suav nrog kev dawb siab, kev ua kom zoo heev, kev tsis muaj tshuaj lom neeg, kev ruaj khov thermal, thiab kev nqus roj tsawg. Kev dawb yog ib qho ntawm cov yam ntxwv tshwj xeeb tshaj plaws ntawm cov hmoov kaolin, ua rau nws xav tau heev hauv kev lag luam uas xav tau qhov ci ntsa iab, sib xws, thiab sib xws. Hmoov kaolin ntuj muaj qhov dawb, uas tuaj yeem txhim kho ntxiv los ntawm kev ntxuav thiab cov txheej txheem dawb kom ua tau raws li cov kev cai nruj ntawm cov ntawv thov siab. Kev ua kom zoo tso cai rau cov hmoov kaolin kom yooj yim puab thiab pwm thaum sib xyaw nrog dej, tswj nws cov duab thaum ziab thiab hlawv, uas yog qhov tseem ceeb rau cov txheej txheem xws li kev tsim khoom siv av nplaum. Kev tsis muaj tshuaj lom neeg ua kom ntseeg tau tias cov hmoov kaolin tsis yooj yim cuam tshuam nrog lwm yam tshuaj, ua rau nws yog cov khoom siv ntxiv uas muaj kev nyab xeeb thiab txhim khu kev qha hauv ntau yam txheej txheem tsim khoom, txawm tias nyob rau hauv ib puag ncig kev lag luam hnyav.
Kev tsim cov khoom siv ua los ntawm av nplaum yog ib qho ntawm cov khoom siv qub tshaj plaws thiab tseem ceeb tshaj plaws ntawm cov hmoov kaolin, ua haujlwm ua cov khoom siv raw tseem ceeb hauv kev tsim cov khoom siv ua los ntawm av nplaum ib txwm muaj thiab cov khoom siv ua los ntawm av nplaum siab heev. Qhov ua tau zoo ntawm cov hmoov kaolin ua rau cov chaw tsim khoom siv av nplaum tsim cov duab thiab cov qauv tsim uas nyuaj heev, txij li cov khoom siv hauv av nplaum thiab cov khoom siv rooj tog niaj hnub mus rau cov khoom siv ua los ntawm av nplaum kev lag luam siab heev. Thaum sib xyaw nrog dej, cov hmoov kaolin ua rau cov nplaum du thiab yooj yim hloov pauv uas tuaj yeem hloov pauv mus rau txhua yam duab, thiab thaum lub sijhawm hlawv, nws hloov pauv cov tshuaj uas ua rau lub zog, kev ruaj khov, thiab kev tiv taus cua sov ntawm cov khoom siv av nplaum kawg. Cov hmoov kaolin calcined, uas raug cua sov ntawm qhov kub siab kom tshem tawm cov dej noo thiab cov khoom tsis huv, ua rau qhov ceev thiab lub zog ntawm cov av nplaum zoo dua, ua rau nws tsim nyog rau cov khoom siv av nplaum siab heev uas siv hauv cov khoom siv hauv kev lag luam thiab cov khoom siv hluav taws xob. Tsis tas li ntawd, cov hmoov kaolin pab txo qhov kub thiab luv luv ntawm kev hlawv, txo cov kev siv hluav taws xob rau cov chaw tsim khoom siv av nplaum.Kev lag luam ntawv yog lwm qhov kev siv hmoov kaolin loj, qhov chaw uas nws siv ob qho tib si ua cov khoom sau thiab cov khoom siv txheej kom txhim kho qhov zoo thiab kev ua haujlwm ntawm daim ntawv. Ua ib qho khoom sau, hmoov kaolin sau cov qhov sib txawv ntawm cov ntawv fibers, ua kom cov ntawv opacity, smoothness, thiab printability. Nws kuj txhim kho lub zog tensile thiab stiffness ntawm daim ntawv, txo qhov tawg thaum luam ntawv thiab tuav. Ua ib qho khoom siv txheej, hmoov kaolin tsim ib qho du, sib npaug nto ntawm daim ntawv, uas ua rau kev nqus number case thiab kev luam tawm meej, ua rau nws zoo tagnrho rau cov ntawv luam ntawv zoo, xws li cov ntawv xov xwm, cov ntawv qhia, thiab cov ntaub ntawv ntim khoom. Ultrafine kaolin hmoov yog qhov tsim nyog tshwj xeeb rau kev txheej ntawv vim nws qhov me me, uas ua kom tiav du thiab zoo heev number case lo. Cov hmoov kaolin hloov kho nto ntxiv txhim kho kev sib raug zoo nrog cov ntawv fibers thiab cov khoom siv txheej, txhim kho tag nrho cov ntawv zoo.
Hmoov Kaolin ua haujlwm ua ib qho khoom siv zoo hauv kev tsim cov yas thiab roj hmab, qhov twg nws txhim kho kev ua haujlwm ntawm cov khoom siv thaum txo cov nqi tsim khoom. Hauv kev tsim cov yas, hmoov kaolin raug ntxiv rau hauv cov polymer matrices los txhim kho lub zog tensile, lub zog flexural, thiab kev tiv thaiv kev cuam tshuam, thaum tseem txo qhov shrinkage thiab warping thaum lub sijhawm molding. Nws cov tshuaj inertness ua kom muaj kev sib raug zoo nrog ntau yam yas resins, tiv thaiv cov tshuaj tiv thaiv tsis xav tau thiab tswj cov khoom ruaj khov. Hauv kev tsim roj hmab, hmoov kaolin ua haujlwm ua ib qho khoom siv reinforcing, txhim kho lub zog tensile, tear tsis kam, thiab abrasion tsis kam ntawm cov roj hmab sib xyaw. Nws kuj txhim kho qhov kub tsis kam thiab kev laus tsis kam ntawm cov khoom roj hmab, txuas ntxiv lawv lub neej kev pabcuam hauv qhov chaw nyuaj. Cov ntawv thov feem ntau suav nrog cov yas ntim khoom, cov khoom yas tsheb, cov roj hmab foob, thiab cov hoses kev lag luam, qhov twg kev ruaj khov thiab kev ua tau zoo yog qhov tseem ceeb.Hauv kev lag luam pleev xim thiab txheej xim, hmoov kaolin ua haujlwm ua cov khoom siv ntxiv thiab ua kom ntev dua, txhim kho kev ua haujlwm ntawm txheej xim thiab txo cov nqi tsim khoom. Nws ua kom cov xim tsis pom kev, viscosity, thiab cov khoom sib npaug, ua kom ntseeg tau tias kev siv sib npaug thiab du, tiav. Hmoov kaolin kuj ua rau cov xim tsis kam khawb thiab hnav tsis kam, ntev lub neej ntawm cov chaw pleev xim. Nws qhov dawb siab pab ua rau cov xim pleev xim ci, ntev ntev, txo qhov xav tau ntau cov xim kim. Hmoov kaolin calcined, nrog nws qhov tawv thiab tshuaj lom neeg ruaj khov, yog qhov tsim nyog rau cov txheej xim ua haujlwm siab siv hauv cov khoom siv hauv kev lag luam, cov chaw tsim kho vaj tse, thiab cov ntawv thov tsheb. Tsis tas li ntawd, cov tshuaj lom neeg inertness ntawm hmoov kaolin ua kom sib xws nrog lwm cov khoom xyaw xim, tiv thaiv kev puas tsuaj ntawm txheej xim thiab tswj hwm qhov zoo dhau sijhawm.
Kev lag luam yas siv cov hmoov kaolin ua cov khoom siv uas pheej yig thiab zoo dua los txhim kho kev ua tau zoo ntawm cov yas yooj yim. Thaum ntxiv rau polypropylene thiab polyethylene (cov yas siv dav dav), nws ua rau cov khoom yas ruaj khov dua - ua rau lawv tsim nyog rau kev tsim cov khoom siv hauv tsev (lub tub yees, tshuab ntxhua khaub ncaws) thiab cov yas profiles (qhov rooj thiab qhov rai). Nws kuj txhim kho kev tiv thaiv cua sov ntawm cov yas, ua rau lawv siv tau rau hauv kev tsim cov khoom siv hluav taws xob (uas tsim cua sov thaum lub sijhawm ua haujlwm) yam tsis muaj kev hloov pauv. Tsis tas li ntawd, hmoov kaolin ua rau cov yas ruaj khov dua, tiv thaiv kev khoov lossis ntsws tom qab molding - tseem ceeb rau cov khoom yas precision. Hmoov kaolin hloov kho saum npoo tuaj yeem tawg sib npaug hauv cov polymer matrices, tsim cov khoom sib txuas muaj zog uas ua rau muaj kev tiv thaiv kev cuam tshuam thaum tswj qhov du ntawm qhov chaw - tseem ceeb rau cov khoom lag luam uas rhiab heev (xws li cov khoom yas kho kom zoo nkauj). Qhov tseem ceeb, nws sib xws nrog cov txheej txheem extrusion thiab txhaj tshuaj molding uas twb muaj lawm, tso cai rau cov chaw tsim khoom siv cov khoom siv uas twb muaj lawm yam tsis muaj kev hloov kho ntxiv lossis cov nqi tsim khoom.
Lwm cov kev siv hauv kev lag luam ntawm cov hmoov kaolin suav nrog nws siv rau hauv cov nplaum, cov khoom siv foob, thiab cov khoom sib xyaw. Hauv cov nplaum thiab cov khoom siv foob, cov hmoov kaolin txhim kho lub zog sib txuas, viscosity, thiab thixotropy, ua kom ntseeg tau tias cov khoom siv zoo dua thiab kev ruaj khov mus sij hawm ntev. Nws kuj txhim kho qhov tiv taus cua sov thiab tshuaj lom neeg ntawm cov nplaum, ua rau lawv haum rau cov chaw ua haujlwm hnyav. Hauv cov ntaub ntawv sib xyaw, cov hmoov kaolin raug ntxiv los txhim kho kev ruaj khov thermal, lub zog kho tshuab, thiab kev ruaj khov ntawm qhov ntev, ua rau cov khoom sib xyaw haum rau ntau yam kev siv, los ntawm cov ntaub ntawv tsim kho mus rau cov khoom siv hluav taws xob. Cov hmoov kaolin hloov kho saum npoo av, kho nrog cov neeg sawv cev sib txuas, txhim kho kev sib raug zoo nrog cov khoom sib xyaw, ua kom zoo dua qhov kev ua tau zoo tag nrho.
Qhov ua tau ntau yam thiab tus nqi tsim nyog ntawm cov hmoov kaolin ua rau muaj kev thov ntau ntxiv thoob plaws hauv kev lag luam. Nws lub peev xwm los txhim kho kev ua tau zoo ntawm cov khoom, txo cov nqi tsim khoom, thiab hloov kho rau ntau yam kev siv ua rau nws yog cov khoom siv tseem ceeb hauv cov khoom siv ceramics, ntawv, yas, roj hmab, xim, thiab cov khoom sib xyaw. Tsis zoo li cov kev lag luam txwv, cov ntawv thov kev lag luam ntawm cov hmoov kaolin tsom mus rau kev txhim kho kev ua haujlwm zoo thiab cov khoom zoo, ua raws li cov qauv kev txhim kho kev lag luam niaj hnub. Nrog rau kev nce qib hauv kev siv tshuab ua khoom thiab kev hloov kho cov khoom, cov hmoov kaolin tau npaj los ua lub luag haujlwm tseem ceeb dua hauv kev tsim kho tshiab hauv kev lag luam, txhawb nqa kev tsim cov khoom ua tau zoo, ruaj khov rau xyoo tom ntej. -
Hmoov Kaolin txhawb kev nplaum, txhim kho kev ruaj khov ntawm thermal, txhim kho kev sib xyaw ua ke, ua kom zoo dua qhov ua tau zoo ntawm cov khoom siv refractory, ua kom cov sealant yooj ywm, txhim kho kev ruaj khov ntawm cov polymer, txhim kho qhov zoo ntawm asphalt,
Hmoov Kaolin yog cov khoom siv ntuj tsim uas tsis yog hlau uas muaj kaolinite nyob hauv, uas tau tsim los ntawm kev lwj thiab hloov pauv ntawm cov pob zeb feldspar-nplua nuj aluminosilicate nyob rau hauv kev sib koom ua ke ntawm dej, cua thiab cov yam ntxwv ntawm lub cev ntau lab xyoo. Nws muaj cov qauv mos mos, silky uas zoo li du rau kov, cov khoom me me zoo li phaj nrog cov qauv lamellar nyias heev (uas tuaj yeem sib tshooj thiab sib txuas) thiab cov khoom siv lub cev-tshuaj lom neeg uas ua rau nws muaj txiaj ntsig dav hauv kev lag luam. Cov yam ntxwv tseem ceeb suav nrog kev dawb uas tiv thaiv kev hloov pauv ntawm cov khoom siv kawg uas tsis muaj xim lossis pob tshab, kev ua kom zoo heev uas ua rau yooj yim shaping hauv cov kab ke semi-solid (xws li cov sealant pastes) yam tsis muaj kev tawg, kev ruaj khov tshuaj lom neeg uas tiv taus cov tshuaj reagents xws li resins, solvents thiab plasticizers, thiab kev sib txuas lamellar muaj zog uas ua rau kev ruaj khov ntawm cov mis thiab kev tiv thaiv kev sib sau ua ke. Cov yam ntxwv ntuj no, ua ke nrog cov thev naus laus zis ua tiav tau, tso cai rau nws koom ua ke rau hauv ntau yam kev lag luam yam tsis cuam tshuam cov haujlwm tseem ceeb ntawm cov ntaub ntawv hauv paus, ua haujlwm ua tus txhawb nqa kev ua haujlwm ntsiag to uas txhim kho cov khoom zoo.Cov txheej txheem ua cov hmoov kaolin tau ua tib zoo tsim los qhib cov haujlwm tshwj xeeb rau ntau yam kev xav tau kev lag luam. Kev ntxuav, ua cov kauj ruam ntxuav kom huv, suav nrog kev tsoo cov hlau nyoos ua tej daim me me ua ntej, tom qab ntawd sib tov nrog dej kom ua cov slurry sib xws. Cov slurry no ces dhau los ntawm cov khoom siv sib cais centrifugal ceev ceev kom tshem tawm cov khoom tsis huv hnyav dua, cov nplej loj thiab cov organic contaminants - txoj kev no txhim kho kev huv thiab qhov loj me ntawm cov khoom me me zoo dua li kev sib cais lub ntiajteb txawj nqus, ua rau nws zoo tagnrho rau cov ntawv thov xim-rhiab xws li cov khoom yas sib dua. Calcining yog ib kauj ruam tseem ceeb rau kev txhim kho kev ua haujlwm kub siab: cov khoom me me raug cua sov hauv cov qhov cub kaw hauv qab qhov kub thiab txias tswj hwm kom tshem tawm cov dej noo sab hauv thiab cov khoom organic. Cov txheej txheem no ua rau muaj kev hloov pauv me me hauv cov qauv siv lead ua, hloov kaolin mus rau hauv metakaolin uas muaj zog dua, thermal stability thiab opacity - tseem ceeb rau cov xwm txheej kub siab xws li cov ntaub ntawv refractory. Kev hloov kho qhov chaw yog qhov tseem ceeb rau kev sib raug zoo nrog cov organic matrices: cov khoom me me raug coated nrog silane coupling agents hauv cov khoom sib xyaw ceev ceev, tsim ib txheej nyias nyias ntawm qhov chaw uas txhim kho kev sib txuas nrog polymers thiab resins. Kev hloov kho no zoo tiv thaiv cov khoom me me agglomeration thiab ua kom muaj zog ntxiv hauv cov ntaub ntawv sib xyaw. Txhua kauj ruam ua tiav raug hloov kho raws li qhov xav tau tshwj xeeb rau kev siv kawg, kom ntseeg tau tias hmoov kaolin ua tau zoo tshaj plaws hauv ntau yam kev lag luam.Kev lag luam nplaum thiab sealant vam khom ntau rau cov hmoov kaolin los daws cov teeb meem tseem ceeb ntawm kev tsim cov tshuaj hauv kev lag luam. Nws kho qhov viscosity ntawm cov tshuaj nplaum kom raug rau qhov zoo tshaj plaws - tiv thaiv kev sagging lossis dripping thaum siv ntsug rau ntawm cov khoom siv kho tshuab (xws li cov khoom siv cav) thaum tswj hwm qhov du thiab zoo rau kev sib txuas cov yeeb nkab tsis sib xws (feem ntau hauv cov nroj tsuag tshuaj). Qhov loj me ntawm cov khoom me me thiab lub peev xwm ntawm cov tshuaj kaolin ua rau cov tshuaj sib xws thiab ruaj khov thaum lub sijhawm khaws cia ntev (txawm tias nyob hauv cov thoob kaw lossis cov raj yooj ywm), zam kev sib xyaw lossis kev faib ua pawg uas ua rau muaj zog sib txuas tsis sib xws. Hmoov kaolin txhim kho lub zog sib txuas los ntawm ob txoj hauv kev: nws cov khoom me me nkag mus tob rau hauv cov qhov me me thiab cov kab nrib pleb ntawm cov khoom siv - txawm tias hlau (hlau, txhuas), yas (polypropylene, PVC) lossis ntoo (plywood, ntoo khov kho) - tsim cov khoom siv sib txuas nruj; lub sijhawm ntawd, nws cov pab pawg ua haujlwm ntawm qhov chaw (tom qab hloov kho) tsim cov tshuaj sib txuas tsis muaj zog nrog cov khoom siv, sib koom ua ke tiv taus kev tev tawv, shearing thiab corrosion los ntawm cov tshuaj lom neeg hauv kev lag luam (xws li cov kuab tshuaj thiab cov kua qaub). Hauv cov sealant siv rau cov khoom siv tshuaj lom neeg (reactors, cov tank cia khoom), nws ua rau muaj kev tiv taus kub thiab kev ruaj khov ntawm tshuaj lom neeg, ua rau cov sealant tiv taus qhov chaw ua haujlwm hnyav (kub siab, roj corrosive) yam tsis tawg lossis poob elasticity, tiv thaiv cov khoom siv los ntawm kev xau thiab ua kom muaj kev nyab xeeb ntawm kev tsim khoom.Cov khoom siv refractory suav tias kaolin hmoov muaj kev ruaj khov thermal zoo heev thiab muaj peev xwm tiv thaiv kev tawg ntau dua li lwm yam kev lag luam. Thaum sib xyaw nrog alumina thiab magnesia hauv qhov sib piv scientific (hloov kho raws li cov khoom siv tshwj xeeb), nws tsim cov khoom sib xyaw ua haujlwm siab rau kev tsim cov refractory castables thiab cov linings cub tawg - tsom mus rau cov khoom siv tseem ceeb xws li cov cub tawg iav (uas ua haujlwm ntawm qhov kub siab heev) thiab cov cement rotary kilns (raug hloov pauv kub ntau zaus). Cov khoom sib xyaw no, nrog rau kaolin hmoov ua lub hauv paus tseem ceeb, tuaj yeem khaws cov qauv ruaj khov txawm tias nyob hauv qhov kub heev, tsim cov teeb meem tiv thaiv uas tiv thaiv cov phab ntsa cub tawg los ntawm kev poob siab thermal hnyav (ua los ntawm qhov kub nce lossis poob sai sai) thiab xeb los ntawm cov pa phem (tso tawm thaum lub sijhawm yaj lossis calcining). Kaolin hmoov cov qauv lamellar tshwj xeeb puv qhov sib txawv me me ntawm cov khoom refractory loj, txhim kho qhov ceev ntawm cov khoom refractory thiab txo cov cua sov poob los ntawm cov cub tawg - pab cov tuam txhab txuag hluav taws xob. Qhov tseem ceeb tshaj plaws, nws cov yam ntxwv zoo tiv thaiv kev tawg tiv thaiv cov khoom tawg lossis tawg los ntawm kev rov ua dua kub, ua rau lub neej ua haujlwm ntawm cov refractory linings ntev dua thiab txo lub sijhawm txij nkawm thiab cov nqi hloov pauv rau cov chaw tsim khoom.Kev lag luam yas siv cov hmoov kaolin ua cov khoom siv uas pheej yig thiab zoo dua los txhim kho kev ua tau zoo ntawm cov yas yooj yim. Thaum ntxiv rau polypropylene thiab polyethylene (cov yas siv dav dav), nws ua rau cov khoom yas ruaj khov dua - ua rau lawv tsim nyog rau kev tsim cov khoom siv hauv tsev (lub tub yees, tshuab ntxhua khaub ncaws) thiab cov yas profiles (qhov rooj thiab qhov rai). Nws kuj txhim kho kev tiv thaiv cua sov ntawm cov yas, ua rau lawv siv tau rau hauv kev tsim cov khoom siv hluav taws xob (uas tsim cua sov thaum lub sijhawm ua haujlwm) yam tsis muaj kev hloov pauv. Tsis tas li ntawd, hmoov kaolin ua rau cov yas ruaj khov dua, tiv thaiv kev khoov lossis ntsws tom qab molding - tseem ceeb rau cov khoom yas precision. Hmoov kaolin hloov kho saum npoo tuaj yeem tawg sib npaug hauv cov polymer matrices, tsim cov khoom sib txuas muaj zog uas ua rau muaj kev tiv thaiv kev cuam tshuam thaum tswj qhov du ntawm qhov chaw - tseem ceeb rau cov khoom lag luam uas rhiab heev (xws li cov khoom yas kho kom zoo nkauj). Qhov tseem ceeb, nws sib xws nrog cov txheej txheem extrusion thiab txhaj tshuaj molding uas twb muaj lawm, tso cai rau cov chaw tsim khoom siv cov khoom siv uas twb muaj lawm yam tsis muaj kev hloov kho ntxiv lossis cov nqi tsim khoom.Kev lag luam cov ntaub ntawv sib xyaw siv cov hmoov kaolin los ua kom muaj kev ua tau zoo, tus nqi thiab qhov hnyav - peb qhov tseem ceeb hauv kev tsim khoom sib xyaw. Hauv cov khoom sib xyaw ua los ntawm cov fiber ntau siv rau cov hniav cua turbine (uas xav tau lub zog siab thiab qhov hnyav sib dua) thiab cov khoom siv hauv tsheb sib dua (tsom rau kev txo kev siv roj), hmoov kaolin ua haujlwm ua cov khoom ntim uas tsis tsuas yog ua kom muaj kev ruaj khov, kev tiv thaiv kev qaug zog thiab kev ruaj khov ntawm cov khoom sib xyaw xwb tab sis kuj txo qhov hnyav tag nrho. Nws tuaj yeem hloov ib feem ntawm cov carbon fiber kim lossis cov iav fiber hauv cov qauv sib xyaw, txo cov nqi tsim khoom ntau yam yam tsis muaj kev cuam tshuam rau lub zog ntawm cov qauv. Cov hmoov kaolin cov khoom zoo li phaj tuaj yeem sib phim nrog cov matrices sib xyaw thaum lub sijhawm ua tiav, tsim cov "lamellar reinforcement network" uas txhim kho kev faib tawm kev ntxhov siab - hloov cov zog sab nraud mus rau cov khoom fiber, tiv thaiv kev puas tsuaj hauv zos (xws li fiber tawg lossis matrix tawg) thiab txuas lub neej ua haujlwm ntawm cov khoom sib xyaw hauv qab lub sijhawm ntev cyclic loads (feem ntau hauv kev ua haujlwm cua turbine thiab kev tsav tsheb).Kev lag luam hloov kho asphalt (ib daim ntawv thov tshiab uas txawv ntawm cov ntawv dhau los) zoo siab txais tos cov hmoov kaolin rau nws lub peev xwm tshwj xeeb los txhim kho kev ua tau zoo ntawm txoj kev. Thaum ntxiv rau cov khoom sib xyaw asphalt (cov khoom siv tseem ceeb rau kev tsim kho txoj kev), nws ua rau muaj kev ruaj khov ntawm asphalt hauv qhov kub siab, txo qhov kev pheej hmoo ntawm kev sib tsoo (tsim los ntawm kev tsheb coob) ntawm txoj kev hauv huab cua kub (xws li thaj chaw sov lossis thaj chaw sov). Nws cov qauv lamellar tuaj yeem tsim cov network tiv thaiv ntom ntom hauv asphalt, txhim kho kev ua tau zoo tiv thaiv kev laus (tiv taus kev oxidation los ntawm lub hnub ci thiab huab cua) thiab kev tiv thaiv dej (tiv thaiv dej kom tsis txhob nkag mus rau hauv cov txheej txoj kev) - ntev lub neej kev pabcuam ntawm txoj kev. Cov hmoov kaolin kuj tseem kho qhov viscosity asphalt mus rau qhov zoo tshaj plaws, ua kom zoo dua kev ua haujlwm ntawm kev tsim kho (ua rau nws yooj yim dua rau kev paving thiab compact) yam tsis cuam tshuam rau qhov kawg ntawm qhov nyuaj ntawm txoj kev. Daim ntawv thov no siv dav hauv kev tsim kho txoj kev loj thiab hauv nroog, tshwj xeeb tshaj yog hauv cov haujlwm tseem ceeb uas xav tau kev ruaj khov siab (xws li kev loj thiab tshav dav hlau khiav), ua tau raws li qhov xav tau rau kev thauj mus los txhim khu kev qha thiab ntev. -
Hmoov Kaolin rau xim thiab txheej txhim kho kev nplaum thiab matte tiav sab hauv thiab sab nraud cov ntaub ntawv kho kom zoo nkauj
Hmoov Kaolin tau dhau los ua cov khoom xyaw nrov zuj zus thiab siv dav hauv cov tshuaj pleev ib ce, tshwj xeeb tshaj yog rau cov khoom siv rau lub ntsej muag, lub cev thiab cov plaub hau, vim nws lub peev xwm ntuj tsim los txhim kho cov qauv thiab txhim kho kev nqus roj - ob qho tseem ceeb uas phim cov neeg siv khoom xav tau cov khoom zoo nkauj, mos mos thiab ntuj. Kev lag luam tshuaj pleev ib ce tau pom kev hloov pauv mus rau cov khoom xyaw ntuj hauv xyoo tas los no, tsav los ntawm cov neeg siv khoom paub txog kev pheej hmoo cuam tshuam nrog cov khoom siv ntxiv thiab kev xav tau cov khoom uas zoo thiab zoo rau daim tawv nqaij thiab plaub hau. Hmoov Kaolin, nrog nws cov khoom xyaw mineral thiab kev ua tau zoo tau lees paub, tau tshwm sim ua lub hauv paus tseem ceeb hauv kev txav mus los zoo nkauj ntuj no. Kaolin qib tshuaj pleev ib ce raug sib tsoo thiab ntxuav kom huv si kom tshem tawm txhua yam tsis huv, xyuas kom meej tias nws muaj kev nyab xeeb rau kev sib cuag ncaj qha nrog daim tawv nqaij thiab plaub hau.
Cov khoom siv pleev kom zoo nkauj yuav tsum tau ua tib zoo sib npaug ntawm kev zoo nkauj (siv du, xis nyob), daim tawv nqaij thiab plaub hau sib xws (mos mos, tsis khaus) thiab kev ua tau zoo (tswj roj, ntxuav, tshem cov tshuaj lom) - tag nrho cov hmoov kaolin ua tau yam tsis muaj cov khoom siv ntxiv. Ua kom huv si kom tshem tawm cov khoom tsis huv thiab ua tiav qhov loj me me, nws tau dhau los ua ib feem tseem ceeb hauv cov qauv xws li cov npog ntsej muag av nplaum thiab cov tshuaj ntxuav kom huv si rau cov hmoov, tshuaj pleev thiab cov khoom saib xyuas plaub hau. Tsis zoo li cov khoom xyaw uas yuav ua rau khaus lossis txhaws qhov hws, hmoov kaolin yog ntuj tsim thiab sib xws nrog txhua hom tawv nqaij, suav nrog cov tawv nqaij rhiab heev thiab tawv nqaij ua pob txuv.
Cov qauv zoo dua yog qhov txiaj ntsig tam sim ntawd thiab pom tseeb tshaj plaws ntawm cov hmoov kaolin hauv cov tshuaj pleev ib ce, ua rau cov neeg siv khoom paub ntau ntxiv thiab pom cov khoom zoo. Nws muab cov qauv du, silky thiab lub teeb rau cov qauv, ua rau kev siv yooj yim thiab lom zem. Cov hmoov kaolin zoo heev ua kom muaj kev faib tawm sib npaug ntawm daim tawv nqaij lossis plaub hau, tiv thaiv kev sib sau ua ke, caking lossis cov av nplaum uas tuaj yeem tshwm sim nrog cov av nplaum zoo dua. Cov qauv du no yog qhov tseem ceeb hauv kev txaus siab ntawm cov neeg siv khoom, vim tias cov khoom siv pleev ib ce uas zoo siab siv yuav raug yuav dua.
Rau cov hmoov ntsej muag (xws li cov hmoov teeb tsa lossis cov hmoov ntxhia), cov hmoov kaolin tsim cov pa ua pa tau, tsis pom kev uas tsis ua rau daim tawv nqaij hnyav lossis zais cov qauv ntuj. Tsis zoo li cov hmoov hluavtaws hnyav uas tuaj yeem txhaws cov qhov hws lossis ua rau pom zoo li ncuav mog qab zib, cov hmoov kaolin-based xav tias lub teeb rau ntawm daim tawv nqaij thiab cia lub teeb ci ntsa iab. Qhov no ua rau lawv zoo tagnrho rau kev siv txhua hnub, vim tias lawv teeb tsa cov pleev kom zoo nkauj yam tsis zoo li ntuj. Cov hmoov teeb tsa uas muaj cov hmoov kaolin ua rau cov pleev kom zoo nkauj nyob rau hauv qhov chaw rau ntau teev yam tsis ua rau daim tawv nqaij qhuav, ua rau lawv nrov ntawm cov kws pleev kom zoo nkauj thiab cov neeg siv txhua hnub. Cov hmoov ntxhia uas muaj kaolin yog qhov tseem ceeb rau lawv cov xim ntuj, vim tias lawv muab kev npog lub teeb thaum tswj cov roj.
Hauv cov tshuaj pleev thiab tshuaj pleev ib ce, hmoov kaolin ua haujlwm ua tus neeg sawv cev tuab thaum tswj kev sib xws du, ua rau cov khoom nthuav dav thiab nqus tau sai yam tsis tawm cov roj nplaum. Cov tshuaj pleev ib ce uas muaj hmoov kaolin nplaum zoo rau ntawm daim tawv nqaij, nqus tau sai kom noo noo yam tsis hnov hnyav. Qhov no ua rau lawv zoo tagnrho rau siv ua ntej hnav khaub ncaws, vim lawv tsis ua rau cov khaub ncaws puas. Cov tshuaj pleev ib ce rau lub ntsej muag siv kaolin los tsim cov qauv sib dua uas haum rau txhua hom tawv nqaij, suav nrog cov tawv nqaij oily uas feem ntau xav tias greasy nrog cov tshuaj pleev tuab. Txawm tias cov tshuaj pleev ib ce nplua nuj rau cov tawv nqaij qhuav tau txais txiaj ntsig los ntawm kaolin, vim nws ua rau cov mis tuab yam tsis ua rau nws hnyav lossis greasy.
Hauv cov khoom siv saib xyuas plaub hau xws li cov tshuaj zawv plaub hau qhuav, cov hmoov kaolin tawg sib npaug zos kom nqus cov roj yam tsis muaj cov seem dawb - qhov kev tsis txaus siab feem ntau nrog cov tshuaj zawv plaub hau qhuav pheej yig dua. Nws tsim cov ntim zoo li ntuj, ua rau cov plaub hau zoo li tshiab thiab huv si ntawm kev ntxuav. Cov tshuaj zawv plaub hau qhuav nrog cov hmoov kaolin nrov ntawm cov neeg taug kev, cov kws tshaj lij tsis khoom thiab cov tib neeg uas muaj cov plaub hau curly lossis textured uas tsis tas yuav ntxuav ntau zaus. Cov ntaub npog plaub hau nrog cov hmoov kaolin muaj cov qauv du, nthuav dav uas npog cov plaub hau sib npaug zos, xa cov as-ham yam tsis muaj kev sib txhuam ntawm cov plaub hau. Cov ntaub npog no yooj yim rau kev thov thiab yaug tawm, ua rau lawv yooj yim rau kev saib xyuas plaub hau hauv tsev.
Lub peev xwm nqus roj ntawm cov hmoov kaolin ua rau nws zoo tagnrho rau cov khoom uas tsom rau cov tawv nqaij oily, sib xyaw thiab cov tawv nqaij uas yooj yim ua pob - ib qho ntawm cov ntu loj hlob sai tshaj plaws hauv kev lag luam pleev xim - thiab cov plaub hau oily. Cov roj ntau dhau ntawm lub ntsej muag (sebum) tuaj yeem ua rau pom kev ci ntsa iab, qhov hws txhaws, cov pob dub thiab cov pob tawg, thaum cov roj ntau dhau ntawm lub taub hau ua rau cov plaub hau greasy thiab tiaj tus. Cov neeg siv khoom uas muaj kev txhawj xeeb no tab tom nrhiav cov kev daws teeb meem ntuj uas tswj cov roj yam tsis ua rau daim tawv nqaij lossis plaub hau qhuav, thiab cov hmoov kaolin ua tau raws li qhov xav tau no zoo.
Hmoov Kaolin ua haujlwm ua cov khoom siv ntuj tsim, nqus cov roj ntau dhau ntawm daim tawv nqaij lossis taub hau thaum tswj cov dej noo ntuj. Tsis zoo li cov roj hluavtaws uas nqus tau (zoo li qee cov talc uas tuaj yeem ua rau qhuav lossis khaus), hmoov kaolin nqus tsuas yog cov roj ntau dhau, ua rau daim tawv nqaij thiab plaub hau sib npaug thiab noo noo. Qhov sib npaug no yog qhov tseem ceeb rau kev tswj cov tawv nqaij thiab plaub hau kom noj qab haus huv, vim tias kev ziab ntau dhau tuaj yeem ua rau lub cev tsim cov roj ntau dua los them rov qab - tsim cov voj voog ntawm daim tawv nqaij lossis plaub hau roj.
Cov khoom xws li cov tshuaj pleev xim uas tswj tau roj, cov tshuaj pleev xim matte thiab cov tshuaj pleev av nplaum uas muaj hmoov kaolin ua rau lub ntsej muag ci ntsa iab tau ntau teev. Cov tshuaj pleev xim uas tswj tau roj tsim cov hauv paus du rau kev pleev xim, nqus cov roj ntau dhau thoob plaws hnub kom tiv thaiv kev pleev xim kom tsis txhob poob tawm. Cov tshuaj pleev xim no nrov heev rau cov huab cua noo, qhov twg cov pleev xim feem ntau yaj lossis ploj sai. Cov tshuaj pleev xim matte nrog hmoov kaolin muab kev npog ntev uas nyob matte yam tsis ua rau daim tawv nqaij qhuav. Lawv nyiam los ntawm cov neeg uas muaj daim tawv nqaij oily, vim lawv tswj tau qhov ci thaum muab kev npog zoo li ntuj. Cov tshuaj pleev av nplaum nrov heev rau cov tawv nqaij oily, vim lawv rub cov roj ntau dhau thiab cov av qias neeg tawm ntawm cov qhov hws, ua rau daim tawv nqaij huv thiab tshiab yam tsis nruj.
Cov tshuaj zawv plaub hau qhuav uas muaj hmoov kaolin ua rau cov plaub hau roj rov qab los ntawm kev nqus cov roj ntawm lub taub hau thiab ntxiv qhov ntim. Lawv yooj yim rau kev mus ncig, cov sijhawm ua haujlwm ntau lossis hnub uas tsis tuaj yeem ntxuav plaub hau, thiab lawv cov mis ntuj ua rau lawv tsim nyog rau kev siv ntau zaus yam tsis ua rau cov plaub hau lossis lub taub hau puas tsuaj. Tsis zoo li qee cov tshuaj zawv plaub hau qhuav uas muaj cawv (uas ua rau lub taub hau qhuav), cov tshuaj zawv plaub hau qhuav uas muaj kaolin yog mos thiab tswj kev noj qab haus huv ntawm lub taub hau. Lawv kuj muaj nyob rau hauv cov xim sib txawv rau cov xim plaub hau tsaus dua, kom ntseeg tau tias tsis muaj cov seem dawb pom.
Qhov mos mos thiab sib haum ntawm cov hmoov kaolin ua rau nws siv dav hauv cov tshuaj pleev ib ce, txawm tias rau cov tawv nqaij thiab cov plaub hau uas rhiab heev. Nws yog ntuj tsim (tsis muaj tshuaj lom neeg) thiab tsis ua rau khaus, ua rau nws siv tau txhua hnub yam tsis ua rau liab, qhuav lossis khaus - cov teeb meem feem ntau nrog cov khoom xyaw ua kom zoo nkauj. Qhov mos mos no ua rau cov hmoov kaolin yog ib qho tseem ceeb hauv kev saib xyuas menyuam yaus thiab cov khoom siv tawv nqaij rhiab heev.
Tsis zoo li qee cov av nplaum (xws li bentonite, uas tuaj yeem qhuav lossis nqus tau ntau dhau, tshwj xeeb tshaj yog rau cov tawv nqaij rhiab heev), hmoov kaolin muaj cov khoom mos mos, so kom txaus uas ua rau tawv nqaij so thiab txo qhov o. Qhov no ua rau nws haum rau ntau tus neeg siv: cov tawv nqaij rhiab heev tau txais txiaj ntsig los ntawm nws qhov xwm txheej tsis khaus; cov tawv nqaij qhuav txaus siab rau nws lub peev xwm los nqus cov roj ntau dhau yam tsis tshem cov dej noo; cov plaub hau kho xim tau txais txiaj ntsig los ntawm nws cov mis tsis abrasive uas tsis ploj xim lossis ua puas cov plaub hau. Cov neeg uas muaj rosacea lossis eczema feem ntau siv cov khoom siv kaolin los so cov tawv nqaij khaus, vim tias cov av nplaum txias txo qhov liab thiab o.
Cov khoom siv saib xyuas menyuam yaus, uas xav tau cov khoom xyaw mos heev, feem ntau muaj hmoov kaolin hauv cov mis xws li hmoov menyuam yaus lossis cov tshuaj pleev rau pob khaus. Nws qhov mos mos ua rau daim tawv nqaij mos mos ntawm tus menyuam mos so, nqus cov dej noo ntau dhau thiab tiv thaiv kev khaus. Cov hmoov menyuam yaus uas muaj hmoov kaolin nyiam dua cov hmoov uas muaj talc vim lawv muaj cov khoom xyaw ntuj thiab txo qhov kev pheej hmoo ntawm kev khaus. Cov tshuaj pleev rau pob khaus uas muaj kaolin tsim cov txheej txheem tiv thaiv ntawm daim tawv nqaij ntawm tus menyuam, tiv thaiv cov dej noo los ntawm kev ua pob khaus thaum so cov kev khaus uas twb muaj lawm.
Cov txiaj ntsig ntawm kaolin hmoov ntxuav thiab tshem tawm cov tshuaj lom hauv lub ntsej muag thiab lub cev yog qhov muaj nqis heev hauv cov khoom siv saib xyuas lub ntsej muag thiab lub cev, ua kom cov neeg siv khoom xav tau kev ntxuav tob tab sis maj mam. Nws muaj cov khoom nqus dej me me uas rub cov khoom tsis huv, cov tshuaj lom thiab cov roj ntau dhau ntawm cov qhov hws lossis qhov chaw ntawm daim tawv nqaij, pab qhib cov qhov hws thiab tiv thaiv kev tawg. Qhov kev ntxuav no maj mam txaus rau kev siv txhua hnub, ua rau cov tshuaj ntxuav kaolin haum rau txhua hom tawv nqaij.
Vim li no, cov ntaub npog ntsej muag av nplaum uas muaj hmoov kaolin yog cov khoom nrov heev. Thaum siv rau ntawm daim tawv nqaij ntub, daim ntaub npog ntsej muag yuav lo rau ntawm qhov chaw thiab nkag mus rau hauv cov qhov hws, nqus cov av thiab roj thaum nws qhuav. Thaum tshem tawm, daim ntaub npog ntsej muag yuav tshem tawm cov av qias neeg, ua rau daim tawv nqaij huv si, tshiab thiab rov ua dua tshiab. Tsis zoo li cov tshuaj exfoliants hnyav uas txhuam daim tawv nqaij thiab ua rau muaj kev tawg me me, cov hmoov kaolin qhov kev ntxuav yog mos muag, ua rau nws tsim nyog siv ntau zaus hauv kev saib xyuas tawv nqaij. Qee cov ntaub npog ntsej muag av nplaum sib xyaw kaolin nrog lwm cov khoom xyaw ntuj xws li aloe vera lossis tshuaj yej ntsuab los txhim kho cov txiaj ntsig zoo, pab rau cov neeg siv daim tawv nqaij rhiab heev.
Cov tshuaj txhuam cev uas muaj hmoov kaolin muab cov tawv nqaij mos mos, tshem tawm cov hlwb tawv nqaij tuag yam tsis khawb lossis ua rau tawv nqaij khaus. Lawv ua rau tawv nqaij du thiab mos, thiab lawv cov qauv ntuj tsim ua rau lawv haum rau txhua hom tawv nqaij. Cov tshuaj txhuam cev uas muaj kaolin nrov siv ua ntej lub sijhawm tshwj xeeb, vim lawv ua rau tawv nqaij ci ntsa iab. Cov tshuaj ntxuav tawv taub hau uas muaj hmoov kaolin tshem tawm cov khoom tsim thiab cov roj ntau dhau, txhawb kev loj hlob ntawm cov plaub hau zoo los ntawm kev qhib cov hauv paus plaub hau. Cov tshuaj ntxuav no muaj txiaj ntsig zoo rau cov tib neeg uas siv cov khoom styling tsis tu ncua, vim lawv ntxuav tawv taub hau tob yam tsis ua rau plaub hau qhuav.
Kev txhim kho xim thiab kev ruaj khov yog cov txiaj ntsig ntxiv ntawm cov hmoov kaolin hauv cov tshuaj pleev ib ce, tshwj xeeb tshaj yog rau cov khoom muaj xim xws li blushes, eyeshadow, foundation thiab cov xim plaub hau. Nws ua haujlwm ua cov xim dawb ntuj uas ua rau cov tshuaj ci ntsa iab thiab muab cov hauv paus tsis muaj zog rau lwm cov xim pigments. Qhov kev ci ntsa iab no pab cov xim pigments zoo li ci ntsa iab thiab muaj tseeb.
Nws cov khoom me me ua kom cov xim sib xyaw ua ke, tiv thaiv kev tawm pob lossis kev siv tsis sib xws. Hmoov Kaolin kuj pab tswj cov xim, tiv thaiv kev ploj lossis kev hloov pauv dhau sijhawm - qhov tseem ceeb rau cov khoom siv pleev kom zoo nkauj uas muaj lub neej ntev. Hauv cov hauv paus mineral, hmoov kaolin sib xyaw nrog cov xim tinted los tsim cov khoom siv ntuj, tsim tau uas phim cov xim tawv nqaij sib txawv. Cov hauv paus no nrov rau lawv qhov kev xav sib dua thiab qhov tiav ntuj. Hauv cov eyeshadow thiab blushes, nws ua rau cov xim ci ntsa iab thaum ua kom du, sib xyaw tau. Cov kws pleev kom zoo nkauj txaus siab rau qhov kaolin-based eyeshadow sib xyaw yooj yim thiab nyob hauv qhov chaw yam tsis muaj creasing. Hauv cov xim plaub hau, nws pab faib cov xim sib npaug thiab tswj cov xim nplua nuj, ua kom cov txiaj ntsig ntev.
Qhov ua tau ntau yam ntawm cov hmoov kaolin ua rau nws siv tau rau ntau yam khoom siv pleev kom zoo nkauj thiab khoom siv tu tus kheej, ua rau nws tseem ceeb rau cov chaw tsim khoom uas muaj ntau yam khoom sib txawv thiab ua rau muaj kev daws teeb meem rau yuav luag txhua yam kev xav tau kev zoo nkauj thiab kev tu cev. Qhov kev hloov pauv no yog los ntawm nws lub peev xwm los sib xyaw nrog ntau yam khoom xyaw pleev kom zoo nkauj - los ntawm cov nroj tsuag rho tawm thiab cov roj tseem ceeb mus rau cov khoom sib txuas thiab cov xim - thaum khaws nws cov txiaj ntsig tseem ceeb ntawm kev txhim kho cov qauv, kev nqus roj thiab kev mos muag. Nws hloov pauv ntawm cov ntaub ntawv khoom, los ntawm cov hmoov qhuav thiab cov tshuaj pleev kom zoo nkauj mus rau cov ntsej muag tuab thiab cov tshuaj tsuag sib dua, ua kom haum rau ntau txoj kev siv thiab cov neeg siv khoom nyiam.
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Cov Hmoov Kaolin Hloov Kho Rau Kev Lag Luam Yas Txhim Kho Lub Zog Thiab Kev Tiv Thaiv Kub
Kev lag luam yas hloov zuj zus tas mus li xav tau cov khoom siv mineral fillers uas tuaj yeem ua kom cov khoom ua haujlwm zoo dua, txo cov nqi tsim khoom, thiab nthuav dav cov ciam teb ntawm daim ntawv thov. Ntawm cov no, cov hmoov kaolin hloov kho saum npoo av tau tshwm sim ua ib qho khoom siv tseem ceeb, hloov pauv kev tsim cov khoom yas sib txawv suav nrog polypropylene (PP) cov khoom txhaj tshuaj pwm, polyethylene (PE) zaj duab xis, thiab polyvinyl chloride (PVC) profiles. Tsis zoo li nws cov khoom siv tsis hloov kho, uas feem ntau tsis sib xws nrog cov yas resins, cov hmoov kaolin hloov kho saum npoo av siv cov neeg sawv cev silane lossis titanate los tsim cov tshuaj sib txuas nrog cov saw polymer. Qhov kev sib cuam tshuam molecular-level no ua rau lub zog kho tshuab, kev ruaj khov thermal, thiab kev sib npaug ntawm cov yas matrices, ua rau nws yog cov khoom siv tseem ceeb hauv kev tsim cov yas niaj hnub.
Kev Txhim Kho Lub Zog Mechanical
Kev ua kom lub zog ntawm cov khoom yas ruaj khov yog ib qho uas tsis tuaj yeem sib tham tau rau cov khoom yas, tshwj xeeb tshaj yog cov uas siv rau hauv cov lag luam uas xav tau kev pab xws li kev tsim kho tsheb, kev tsim kho vaj tse, thiab cov khoom siv niaj hnub. Hmoov kaolin uas hloov kho qhov chaw, feem ntau yog qib ntawm 1000 thiab 2000 mesh, ua haujlwm ua tus neeg sawv cev txhawb nqa los ntawm kev tsim kom muaj lub network sib txuas ntawm cov pob zeb-polymer interfacial bonds. Lub network no pab txhawb kev faib tawm ntawm kev ntxhov siab ntawm cov khoom siv thoob plaws hauv cov yas matrix, tiv thaiv kev sib sau ua ke ntawm cov leeg uas yuav ua rau tsis ua haujlwm.Hauv kev lag luam tsheb, qhov twg qhov hnyav txo thiab kev ruaj khov ntawm cov qauv yog qhov tseem ceeb, kev ntxiv 10% -20% hmoov kaolin hloov kho qhov chaw (los ntawm qhov hnyav) rau PP cov khoom sab hauv tsheb - xws li lub dashboard casings thiab qhov rooj trims - tau ua pov thawj tias muaj kev txhim kho zoo kawg nkaus. Kev sim ua tib zoo los ntawm tus thawj coj German automotive qhov chaw muab khoom qhia tau tias muaj 25% -35% nce hauv lub zog tensile, tsa cov nqi ntawm 30 MPa mus rau 37-40 MPa. Tib lub sijhawm, qhov flexural modulus tau pom 40% -50% kev txhim kho, nce ntawm 1500 MPa mus rau 2100-2250 MPa. Cov txiaj ntsig no ua rau cov chaw tsim khoom txo cov khoom siv resin txog li 15%, ua tiav kev txuag nyiaj ntau yam tsis muaj kev cuam tshuam rau qhov zoo ntawm cov khoom.Rau cov yeeb yaj kiab PE ua liaj ua teb, qhov kev hloov kho ntawm cov hmoov kaolin ua kom muaj cov khoom sib kis zoo dua, tiv thaiv cov khoom me me uas tuaj yeem tsim cov ntsiab lus tsis muaj zog. Cov yeeb yaj kiab uas muaj 8% -12% ntawm cov hmoov hloov kho no tau pom tias muaj kev tiv thaiv kev cuam tshuam 30%, nce ntxiv ntawm 8 kJ / m² mus rau 10.4 kJ / m². Qhov kev ruaj khov ntxiv no tso cai rau cov yeeb yaj kiab kom tiv taus cua ceev txog li 18 m / s yam tsis muaj kev rhuav tshem, muab kev tiv thaiv zoo rau ntau yam kev siv hauv kev lag luam dhau ntawm kev ua liaj ua teb.Kev Txhim Kho Kev Ua Haujlwm Thermal
Kev tiv taus cua sov yog lwm qhov zoo tseem ceeb ntawm cov hmoov kaolin hloov kho saum npoo av hauv kev siv yas. Ntau yam khoom yas niaj hnub no, suav nrog cov thawv hluav taws xob, cov khoom hauv qab tsheb, thiab cov ntaub ntawv tsim kho, yuav tsum tiv taus qhov kub siab yam tsis muaj kev puas tsuaj. Cov ntsiab lus alumina siab (xws li 38% -42%) hauv cov hmoov kaolin, ua ke nrog cov txheej txheem hloov kho saum npoo av zoo, txhim kho qhov kub hloov pauv cua sov (HDT) ntawm cov khoom yas.Ib lub tuam txhab tsim khoom siv PVC profile Italian tau siv cov hmoov kaolin uas tau hloov kho saum npoo av hauv kev tsim cov thav duab qhov rai, ua tiav qhov nce ntxiv ntawm HDT los ntawm 70 ° C mus rau 85 ° C. Qhov kev hloov kho qhov kub thiab txias no ua kom ntseeg tau tias cov thav duab PVC tuaj yeem tiv taus lub hnub ci ncaj qha ntev hauv huab cua Mediterranean yam tsis muaj kev sib txhuam lossis kev hloov pauv. Ib yam li ntawd, rau cov thawv hluav taws xob PP uas muaj cov khoom siv hluav taws xob tsim cua sov, kev siv cov hmoov kaolin ua rau HDT nce ntxiv los ntawm 110 ° C mus rau 130 ° C, ua tau raws li cov kev cai kub. Tsis tas li ntawd, cov hmoov no ua rau cov teeb meem thermal shrinkage zoo; PP cov khoom txhaj tshuaj uas muaj 15% hmoov kaolin tau pom tias shrinkage ntawm 1.2%, piv rau 2.5% rau PP tsis muaj zog, ua kom ntseeg tau tias qhov tseeb ntawm qhov ntev thaum lub sijhawm tsim khoom.Cov Txheej Txheem Tsim Khoom thiab Cov Lus Qhia Txog Kev Siv Tshuab
Kev tsim cov hmoov kaolin uas tau hloov kho rau saum npoo ntawm cov yas muaj ob theem uas tau tsim los ua tib zoo: kev ua kom cov hlau zoo thiab kev kho saum npoo. Cov hlau kaolin nyoos raug siv los ua kom zoo dua los ntawm kev sib cais hlau nplaum thiab cov txheej txheem ua npuas dej kom tshem tawm cov hlau thiab titanium impurities, uas tuaj yeem ua rau cov hmoov tsis zoo. Tom qab ntawd, cov hlau raug zom kom tau qhov loj me uas xav tau siv cov txheej txheem sib tsoo qhuav nrog cov tshuab cais cua, tsim cov qib txij li 1000 txog 2000 mesh.Cov theem hloov kho qhov chaw siv cov tshuab sib tov ceev ceev uas ua haujlwm ntawm 1500-2000 rpm los sib xyaw cov khoom kaolin nrog cov neeg sawv cev sib txuas. Cov neeg sawv cev sib txuas Silane, xws li KH-550, yog qhov zoo dua rau PP thiab PE daim ntawv thov vim lawv muaj zog rau polyolefin polymers, thaum cov neeg sawv cev sib txuas titanate xws li TMC-101 yog qhov tsim nyog dua rau PVC compounds. Cov tshuaj sib txuas raug tswj hwm kom zoo ntawm 0.5% -1.5% ntawm qhov hnyav ntawm cov hmoov kaolin kom ntseeg tau tias cov khoom npog tag nrho yam tsis muaj cov khoom ntau dhau uas tuaj yeem cuam tshuam kev ua cov yas. Tom qab hloov kho, cov hmoov raug txias rau qhov kub thiab txias thiab sieve kom tshem tawm cov agglomerates, ua rau cov khoom ntws dawb, homogeneous npaj rau kev koom ua ke rau hauv cov yas formulations.Cov ntsuas tseem ceeb ntawm kev siv tshuab tswj hwm qhov zoo ntawm cov hmoov kaolin uas tau hloov kho rau ntawm qhov chaw rau cov yas. Kev faib tawm ntawm cov khoom me me, ntsuas los ntawm D50 tus nqi ntawm 5-10 μm (1000 mesh) lossis 2-5 μm (2000 mesh), cuam tshuam ncaj qha rau kev sib kis thiab kev ua haujlwm ntawm cov khoom siv. Kev dawb, qhia ua tus nqi L * ntawm ≥90%, ua kom muaj kev sib haum xeeb zoo nkauj hauv cov ntawv thov uas xim yog qhov tseem ceeb. Kev tswj hwm cov dej noo noo (≤0.3%) tiv thaiv cov teeb meem xws li hydrolysis thaum lub sijhawm ua cov yas, thaum tus nqi them rau tus neeg sawv cev ntawm ≥95% lav qhov zoo tshaj plaws ntawm kev sib txuas interfacial. Cov nqi nqus roj ntawm 20-25 mL / 100g qhia txog cov hmoov cov yam ntxwv ntub dej, cuam tshuam rau cov khoom sib xyaw viscosity thiab kev ua haujlwm. Cov kev ntsuas no raug sim nruj siv cov cuab yeej tshuaj ntsuam xyuas siab heev, suav nrog cov khoom me me laser, Fourier-transform infrared spectroscopy (FTIR), thiab thermogravimetric analysis (TGA).Kev Ua Tau Zoo ntawm Cov Khoom Siv thiab Kev Txhawb Nqa Kev Txawj Ntse
Cov khoom siv rau cov hmoov kaolin uas tau hloov kho saum npoo av tau raug kho kom zoo kom haum rau cov voj voog tsim khoom sai ntawm kev lag luam yas. Cov kev xaiv ntim khoom suav nrog 25kg hnab ntawv ntau txheej uas muaj cov ntaub thaiv tiv thaiv hluav taws xob los tiv thaiv cov hmoov av thiab xyuas kom meej tias cov khoom muaj kev ncaj ncees, nrog rau 1000kg hnab loj uas muaj cov tes tsho forklift rau kev tuav thiab khaws cia zoo. Lub sijhawm xa khoom tau yooj yim, nrog cov neeg siv khoom hauv cheeb tsam (piv txwv li, kev xa khoom los ntawm Tuam Tshoj mus rau Sab Qab Teb Asia) tau txais cov xaj hauv 7-14 hnub, thaum kev xa khoom thoob ntiaj teb (xws li cov mus rau Tebchaws Europe) tau ua tiav hauv 21-30 hnub. -
Hmoov Kaolin rau Cov Txheej Txheem Roj Hmab Fillers Dawb Cement Raw Khoom Siv Xim Kev Lag Luam Cov Khoom Siv Textile Kev Lag Luam Yas
Kaolinite, tseem hu ua China Clay, yog ib hom pob zeb aluminum silicate uas feem ntau siv rau hauv kev tsim cov khoom siv av nplaum thiab porcelain. Nws lub npe lus Askiv yog los ntawm Gaoling Roob ze Jingdezhen, Jiangxi Xeev, Suav teb. Cov pob zeb no yog tus cwj pwm los ntawm nws cov xim dawb, mos, thiab zoo li av nplaum, nrog cov khoom me me zoo li hmoov nplej.
Kaolinite muaj nqis heev rau nws cov tshuaj lom neeg ruaj khov thiab cov ntsiab lus nplua nuj, suav nrog silicon, zinc, magnesium, thiab txhuas.
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kaolin rau Kev Tshawb Fawb Nws Cov Ntawv Thov Ntau Yam hauv Ceramics Daim Ntawv thiab Tshuaj Pleev Xim Kev Lag Luam
Kaolinite, tseem hu ua China Clay, yog ib hom pob zeb aluminum silicate uas feem ntau siv rau hauv kev tsim cov khoom siv av nplaum thiab porcelain. Nws lub npe lus Askiv yog los ntawm Gaoling Roob ze Jingdezhen, Jiangxi Xeev, Suav teb. Cov pob zeb no yog tus cwj pwm los ntawm nws cov xim dawb, mos, thiab zoo li av nplaum, nrog cov khoom me me zoo li hmoov nplej.
Kaolinite muaj nqis heev rau nws cov tshuaj lom neeg ruaj khov thiab cov ntsiab lus nplua nuj, suav nrog silicon, zinc, magnesium, thiab txhuas.
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Cov hmoov av kaolin ntuj rau kev lag luam roj hmab ua liaj ua teb ceramic glaze refractory matter paper making
Kaolinite, tseem hu ua China Clay, yog ib hom pob zeb aluminum silicate uas feem ntau siv rau hauv kev tsim cov khoom siv av nplaum thiab porcelain. Nws lub npe lus Askiv yog los ntawm Gaoling Roob ze Jingdezhen, Jiangxi Xeev, Suav teb. Cov pob zeb no yog tus cwj pwm los ntawm nws cov xim dawb, mos, thiab zoo li av nplaum, nrog cov khoom me me zoo li hmoov nplej.
Kaolinite muaj nqis heev rau nws cov tshuaj lom neeg ruaj khov thiab cov ntsiab lus nplua nuj, suav nrog silicon, zinc, magnesium, thiab txhuas.
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325 mesh -10000 mesh Xim daj Metakaolin hmoov Kaolin Dawb Metakaolin hmoov ua haujlwm siab Nano loj Metakaolin rau cement
Peb muaj peev xwm muab:
1. qauv dawb
2. kev tshem tawm kev cai
3. kev txhawb nqa kev txawj ntse
4.7 * 24 teev kev pabcuam
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Metakaolin nqe kaolin av nplaum hmoov metakaolin fiyat rau pob zeb
Peb muaj peev xwm muab:
1. qauv dawb
2. kev tshem tawm kev cai
3. kev txhawb nqa kev txawj ntse
4.7 * 24 teev kev pabcuam
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Kaolinite kaolin av nplaum Tuam Tshoj nano dawb av nplaum nqi rau cov khoom siv ceramic
Peb muaj peev xwm muab:
1. qauv dawb
2. kev tshem tawm kev cai
3. kev txhawb nqa kev txawj ntse
4.7 * 24 teev kev pabcuam
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Metakaolin Hmoov Kaolin Dawb Metakaolin Hmoov Ua Haujlwm Siab Nano Loj Metakaolin rau Cement
Peb muaj peev xwm muab:
1. qauv dawb
2. kev tshem tawm kev cai
3. kev txhawb nqa kev txawj ntse
4.7 * 24 teev kev pabcuam
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Nano metakaolin calcined kaolin qauv kaolin hmoov rau cement, concrete
Peb muaj peev xwm muab:
1. qauv dawb
2. kev tshem tawm kev cai
3. kev txhawb nqa kev txawj ntse
4.7 * 24 teev kev pabcuam
