Mica hmoov yog cov ntxhia tsis yog xim hlau uas muaj ntau yam khoom, feem ntau SiO2, nrog cov ntsiab lus feem ntau nyob ib ncig ntawm 49% thiab Al2O3 cov ntsiab lus nyob ib ncig ntawm 30%.Mica hmoov muaj zoo elasticity thiab toughness.Nws yog ib qho zoo heev additive nrog cov yam ntxwv xws li rwb thaiv tsev, kub tsis kam, acid thiab alkali tsis kam, corrosion kuj, thiab muaj zog adhesion.Nws yog dav siv hauv kev lag luam xws li cov khoom siv hluav taws xob, vuam electrodes, roj hmab, yas, ntawv ua, xim, txheej, pigments, ceramics, tshuaj pleev ib ce, cov ntaub ntawv tshiab hauv tsev, thiab lwm yam, nrog rau kev siv dav heev.Nrog kev txhim kho txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis, tib neeg tau qhib ntau daim ntawv thov tshiab.Mica hmoov yog txheej txheej silicate uas muaj ob txheej ntawm silica tetrahedra sandwiched nrog ib txheej ntawm txhuas oxide octahedra, tsim ib txheej silica composite.Ua tiav cleaved, muaj peev xwm ntawm kev sib cais rau hauv cov nplooj ntawv nyias nyias, nrog lub thickness txog li 1 μ Hauv qab m (theoretically, nws tuaj yeem txiav mus rau 0.001) μ m), nrog rau txoj kab uas hla loj dua rau thickness piv;Cov tshuaj formula ntawm mica hmoov siv lead ua yog: K0.5-1 (Al, Fe, Mg) 2 (SiAl) 4O10 (OH) 2 ▪ NH2O, cov tshuaj muaj pes tsawg leeg: SiO2: 43.13-49.04%, Al2O3: 27.93-37.44% , K2O + Na2O: 9-11%, H2O: 4.13-6.12%.

Mica hmoov belongs rau monoclinic crystals, uas yog nyob rau hauv daim ntawv ntawm scale thiab muaj ib tug silky luster (muscovite muaj ib tug iav luster).Cov blocks ntshiab yog grey, liab doog, dawb, thiab lwm yam, nrog ib txoj kab uas hla mus rau thickness piv ntawm> 80, ib tug tshwj xeeb lub ntiajteb txawj nqus ntawm 2.6-2.7, hardness ntawm 2-3, siab elasticity, yooj, hnav tsis kam thiab hnav tsis kam. ;Thaum tshav kub kub-resistant rwb thaiv tsev, nyuaj rau yaj nyob rau hauv acid-puag daws, thiab chemically ruaj khov.Cov ntaub ntawv xeem: elastic modulus 1505-2134MPa, tshav kub tsis kam 500-600 ℃, thermal conductivity 0.419-0.670W.(mK), hluav taws xob rwb thaiv tsev 200kv / mm, hluav taws xob tiv thaiv 5 × 1014 thermal neutron / cm irradiance.

Tsis tas li ntawd, cov tshuaj muaj pes tsawg leeg, cov qauv, thiab cov qauv ntawm mica hmoov zoo ib yam li cov kaolin, thiab nws kuj muaj cov yam ntxwv ntawm av nplaum minerals, xws li zoo dispersion thiab ncua kev kawm ntawv nyob rau hauv aqueous media thiab organic solvents, xim dawb, zoo hais, thiab nplaum.Yog li ntawd, mica hmoov muaj ntau yam ntxwv ntawm ob qho tib si mica thiab av nplaum ntxhia.

Kev txheeb xyuas ntawm mica hmoov yog yooj yim heev.Raws li kev paub dhau los, feem ntau muaj cov hauv qab no rau koj siv nkaus xwb:

1, Lub whiteness ntawm mica hmoov tsis siab, txog 75. Kuv feem ntau tau txais kev nug los ntawm cov neeg muas zaub, hais tias cov whiteness ntawm mica hmoov yog nyob ib ncig ntawm 90. Nyob rau hauv ib txwm muaj teeb meem, lub whiteness ntawm mica hmoov feem ntau tsis siab, tsuas yog nyob ib ncig ntawm 75. Yog tias doped nrog lwm cov khoom siv xws li calcium carbonate, talc hmoov, thiab lwm yam, cov xim dawb yuav zoo dua.

2, Mica hmoov muaj cov qauv flaky.Siv ib lub beaker, ntxiv 100ml ntawm cov dej ntshiab, thiab do nrog lub khob pas nrig kom pom tias qhov kev ncua ntawm mica hmoov zoo heev;Lwm cov fillers muaj xws li pob tshab hmoov, talc hmoov, calcium carbonate thiab lwm yam khoom, tab sis lawv qhov kev ncua kev kawm tsis zoo li mica hmoov.

3, Siv ib qho me me ntawm nws rau koj lub dab teg, uas muaj cov nyhuv pearlescent me ntsis.Mica hmoov, tshwj xeeb tshaj yog cov hmoov sericite, muaj cov nyhuv pearlescent thiab tau siv dav hauv kev lag luam xws li tshuaj pleev ib ce, txheej, yas, roj hmab, thiab lwm yam. Yog tias cov mica hmoov yuav tsis zoo lossis tsis muaj pearlescent nyhuv, yuav tsum tau them nyiaj rau lub sijhawm no.

Cov ntawv thov tseem ceeb ntawm mica hmoov hauv txheej txheej.

Daim ntawv thov ntawm mica hmoov nyob rau hauv txheej yog feem ntau xav txog nyob rau hauv cov nram qab no yam:

1. Cov nyhuv Barrier: Cov ntawv zoo li cov ntawv sau ua ib qho yooj yim sib npaug ntawm kev taw qhia nyob rau hauv cov xim zaj duab xis, thiab kev nkag mus ntawm cov dej thiab lwm yam corrosive rau hauv cov xim zaj duab xis yog muaj zog thaiv.Thaum siv cov hmoov zoo sericite (txoj kab uas hla mus rau thickness piv ntawm cov nti yog tsawg kawg yog 50 npaug, nyiam dua ntau tshaj 70 zaug), lub sij hawm nkag mus rau dej thiab lwm yam corrosive los ntawm cov xim zaj duab xis feem ntau txuas ntxiv peb zaug.Vim qhov tseeb tias sericite hmoov fillers yog pheej yig dua li cov resins tshwj xeeb, lawv muaj txiaj ntsig zoo thiab kev lag luam.Kev siv cov hmoov zoo sericite yog ib qho tseem ceeb hauv kev txhim kho qhov zoo thiab kev ua tau zoo ntawm cov tshuaj tiv thaiv corrosion thiab cov txheej txheem sab nrauv phab ntsa.Thaum lub sij hawm txheej txheej txheej, cov chips sericite raug rau saum npoo ua ntej cov xim zaj duab xis solidifies, cia li tsim ib lub qauv uas yog sib npaug rau ib leeg thiab kuj mus rau saum npoo ntawm cov xim zaj duab xis.Cov txheej txheem txheej txheej no, nrog nws cov kev taw qhia raws nraim perpendicular mus rau cov kev taw qhia nyob rau hauv uas corrosive tshuaj nkag mus rau cov xim zaj duab xis, muaj qhov zoo tshaj plaws barrier nyhuv.
2. Kev txhim kho lub cev thiab lub zog ntawm cov xim zaj duab xis: Kev siv cov hmoov sericite tuaj yeem txhim kho cov khoom ntawm lub cev thiab txhua yam ntawm cov xim pleev xim.Qhov tseem ceeb yog cov yam ntxwv morphological ntawm cov muab tub lim, uas yog txoj kab uas hla mus rau thickness piv ntawm daim ntawv zoo li muab tub lim thiab qhov ntev mus rau txoj kab uas hla ntawm cov fiber ntau muab tub lim.Cov granular muab tub lim, zoo li cov xuab zeb thiab pob zeb hauv pob zeb, ua lub luag haujlwm txhawb nqa hauv kev txhawb nqa steel tuav.
3. Txhim kho qhov hnav tsis kam ntawm cov xim zaj duab xis: Lub hardness ntawm cov resin nws tus kheej yog txwv, thiab lub zog ntawm ntau fillers kuj tsis siab (xws li talc hmoov).Ntawm qhov tsis sib xws, sericite yog ib qho ntawm cov khoom siv ntawm granite, nrog rau siab hardness thiab mechanical zog.Yog li ntawd, ntxiv sericite hmoov raws li ib tug muab tub lim nyob rau hauv lub txheej yuav ho txhim kho nws hnav tsis kam.Feem ntau cov tsheb coatings, txoj kev coatings, mechanical anti-corrosion coatings, thiab phab ntsa coatings siv sericite hmoov.
4. Kev ua haujlwm rwb thaiv tsev: Sericite muaj qhov ua haujlwm siab heev thiab nws tus kheej yog cov khoom siv rwb thaiv tsev zoo tshaj plaws.Nws tsim ib txoj hauv kev nrog cov organic silicon resin lossis organic silicon boron resin thiab hloov mus rau hauv cov khoom siv ceramic nrog lub zog zoo thiab kev ua haujlwm rwb thaiv tsev thaum ntsib qhov kub thiab txias.Yog li ntawd, cov xov hlau thiab cov cables ua los ntawm cov khoom siv rwb thaiv tsev zoo li no tseem tuav lawv qhov kev rwb thaiv tsev qub txawm tias tom qab raug hluav taws kub.Nws yog ib qho tseem ceeb heev rau cov mines, tunnels, cov tsev tshwj xeeb, cov chaw tshwj xeeb, thiab lwm yam.
5. nplaim retardant: Sericite hmoov yog ib qho tseem ceeb nplaim retardant muab tub lim.Yog hais tias ua ke nrog cov organic halogen nplaim retardants, nplaim retardant thiab fireproof txheej yuav npaj tau.
6. UV thiab infrared kuj: Sericite muaj kev ua tau zoo heev hauv kev tiv thaiv ultraviolet thiab infrared tawg.Yog li ntxiv cov hmoov ntub sericite rau cov txheej txheem sab nraum zoov tuaj yeem txhim kho UV tiv thaiv ntawm cov xim zaj duab xis thiab ncua nws txoj kev laus.Nws txoj kev tiv thaiv infrared yog siv los npaj cov ntaub ntawv rwb thaiv tsev thiab rwb thaiv tsev (xws li coatings).
7. Thermal radiation thiab high-temperature coatings: Sericite muaj peev xwm hluav taws xob zoo infrared, xws li ua ke nrog cov hlau oxide, uas tuaj yeem tsim cov thermal tawg zoo heev.
8. Lub suab rwb thaiv tsev thiab cov nyhuv poob siab: Sericite tuaj yeem hloov pauv ntau ntawm cov khoom siv lub cev, tsim lossis hloov lawv cov viscoelasticity.Cov khoom siv no muaj txiaj ntsig zoo absorbs kev co lub zog, ua rau lub zog tsis muaj zog thiab lub suab tsis muaj zog.Tsis tas li ntawd, qhov rov qab xav txog kev vibration nthwv dej thiab lub suab nthwv dej ntawm mica chips kuj ua rau lawv lub zog tsis muaj zog.Sericite hmoov kuj tseem siv los npaj cov khoom siv suab nrov, suab pov thawj, thiab kev poob siab absorbing txheej.