Ib qho ntawm cov yam ntxwv tseem ceeb tshaj plaws ntawm wollastonite hmoov yog nws qhov dawb tshwj xeeb. Ntawm Hunter whiteness scale, tus qauv kev lag luam siv dav dav rau kev ntsuas qhov sib dua thiab xim huv ntawm cov ntaub ntawv, wollastonite feem ntau tau qhab nia ntawm 85 thiab 95. Qib siab ntawm qhov dawb no ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev tsim cov xim ci, ci ntsa iab hauv ob qho tib si xim dawb thiab cov qauv pastel mos. Hauv cov xim dawb, wollastonite ua haujlwm ua cov khoom xyaw tseem ceeb hauv kev ua tiav cov xim dawb huv, huv si. Nws ua rau cov chaw tsim khoom tuaj yeem ncav cuag qhov xim xav tau nrog tsawg dua cov txheej xim, txo cov xim tag nrho uas xav tau rau ib qhov project. Rau cov xim pastel, lub hauv paus nruab nrab ntawm wollastonite ua kom ntseeg tau tias cov xim tuaj yeem qhia lawv cov xim tiag tiag yam tsis muaj kev cuam tshuam, ua rau muaj cov xim tseeb dua thiab ntxim nyiam dua.

Qhov dawb zoo kawg no kuj tso cai rau cov hmoov wollastonite ua haujlwm tau zoo ua tus txuas ntxiv xim. Cov tshuaj txuas ntxiv xim yog cov tshuaj ntxiv rau hauv cov qauv pleev xim kom txo qhov kev vam khom rau cov xim kim dua, xws li titanium dioxide. Titanium dioxide yog lub npe nrov rau nws cov khoom zoo heev rau cov xim dawb tab sis nws tus nqi kim heev. Los ntawm kev ntxiv cov hmoov wollastonite rau hauv lawv cov qauv, cov chaw tsim xim tuaj yeem hloov tau ib feem loj ntawm titanium dioxide. Cov siv lead ua zoo li koob ntawm wollastonite sib xyaw ua ke thiab cov xim me me, tsim ib lub network uas ua rau lub teeb ci ntsa iab zoo. Tus cwj pwm tawg lub teeb no zoo ib yam li titanium dioxide, ua rau lub txheej txheej ua tiav tib theem ntawm kev pom tseeb thiab lub zog zais thaum siv cov xim kim dua. Qhov no tsis tsuas yog txo cov nqi khoom siv raw xwb tab sis kuj txhawb nqa cov txheej txheem tsim khoom ruaj khov dua los ntawm kev txuag cov peev txheej muaj nqis.

Ntxiv rau nws cov txiaj ntsig zoo ntawm kev pom, wollastonite hmoov txhim kho kev ua haujlwm ntawm cov txheej txheem. Ib qho ntawm nws cov txiaj ntsig tseem ceeb yog nws qhov kev nqus roj tsawg. Kev nqus roj yog hais txog qhov ntau ntawm cov binder, xws li resin lossis latex, uas xav tau los ntub thiab tawg cov hmoov av. Piv rau ntau lwm cov fillers feem ntau siv hauv cov xim, wollastonite muaj qhov kev nqus roj tsawg, feem ntau yog li ntawm 15 txog 30 milliliters ib 100 grams. Tus nqi qis no txhais tau tias xav tau tsawg dua binder hauv cov qauv txheej. Vim tias cov binders feem ntau yog cov khoom kim dua hauv cov xim, kev txo lawv cov kev siv txiav cov nqi tsim khoom. Ntxiv mus, nws txhim kho cov khoom siv ntawm cov txheej.

Cov txheej uas muaj hmoov wollastonite qhia tau tias muaj peev xwm ntws thiab ua kom tiaj tus zoo dua. Kev ntws yog lub peev xwm ntawm cov xim kom nthuav dav thoob plaws qhov chaw thaum lub sijhawm siv, thaum kev ua kom tiaj tus txhais tau tias cov xim muaj peev xwm ua kom du cov txhuam txhuam, cov cim dov, lossis lwm yam tsis sib xws thiab tsim cov zaj duab xis sib xws. Cov duab ntawm cov khoom wollastonite ua haujlwm zoo li cov kabmob me me hauv cov txheej txheej. Thaum cov xim raug siv, cov khoom no tuaj yeem txav mus los thiab dov dhau ib leeg, ua kom yooj yim rau kev nthuav dav ntawm cov txheej. Tsis tas li ntawd, thaum lub sijhawm ziab, cov khoom no teeb tsa lawv tus kheej hauv qhov kev teeb tsa zoo tshaj plaws, uas pab cov txheej kom tiaj tus thiab tsim kom du, sib npaug ntawm qhov chaw. Qhov no ua rau muaj qhov tiav zoo li kev tshaj lij uas xav tau kev xuab zeb thiab kov tsawg dua, txuag ob lub sijhawm thiab cov nqi zog hauv cov txheej txheem pleev xim.

Kev ruaj khov yog lwm qhov chaw uas hmoov wollastonite ci ntsa iab tiag tiag. Cov txheej txheem tsim nrog cov ntxhia no qhia txog kev tiv thaiv zoo rau ntau yam kev puas tsuaj. Thaum nws los txog rau huab cua, wollastonite ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov xim pleev xim los ntawm cov teebmeem tsis zoo ntawm ultraviolet radiation, noo noo, thiab qhov kub thiab txias hloov pauv. Cov teeb ultraviolet tuaj yeem ua rau cov binder hauv cov xim tawg raws sijhawm, ua rau muaj teeb meem xws li fading, chalking, thiab tawg. Cov siv lead ua zoo li koob ntawm wollastonite tsim ib qho kev tiv thaiv ntawm qhov chaw ntawm cov xim pleev xim, tawg thiab nqus cov teeb UV, yog li txo lawv qhov nkag mus rau hauv cov binder. Ntxiv mus, nws qhov porosity qis thiab tshuaj inertness tiv thaiv cov dej noo los ntawm kev nkag mus rau hauv cov txheej txheem, uas tuaj yeem ua rau muaj teeb meem xws li blistering, tev tawv, thiab pwm loj hlob.

Kev tiv thaiv kev txhuam kuj tau zoo dua hauv cov txheej uas muaj wollastonite. Qhov no tseem ceeb heev rau cov xim pleev phab ntsa sab hauv, uas feem ntau raug ntxuav ntau zaus. Cov qauv sib txuas uas tsim los ntawm cov khoom wollastonite ua rau cov xim pleev xim ruaj khov, ua rau nws tiv taus kev txhuam thaum txhuam. Yog li ntawd, cov chaw pleev xim tuaj yeem ua kom huv si ntau zaus yam tsis poob lawv cov xim lossis kev ua kom zoo nkauj, tswj lawv qhov zoo nkauj rau lub sijhawm ntev.

Kev tiv taus kev laus yog lwm yam ntawm kev ruaj khov uas tau txais txiaj ntsig los ntawm kev suav nrog cov hmoov wollastonite. Raws li lub sijhawm dhau mus, kev raug cua, cov pa phem, thiab kev hnav thiab tsim kua muag ib txwm tuaj yeem ua rau cov xim ploj mus, ua rau muaj teeb meem xws li daj, brittleness, thiab poob ntawm kev nplaum. Wollastonite lub zog tshuaj lom neeg thiab lub zog txhawb nqa lub cev ua rau qeeb qeeb cov txheej txheem laus no. Nws qhov xwm txheej inert ua kom ntseeg tau tias nws tsis cuam tshuam nrog lwm cov khoom hauv cov txheej txheej lossis nrog cov yam ntxwv ib puag ncig, pab khaws cov khoom qub ntawm cov txheej txheej ntev.

Kev nplaum yog ib qho tseem ceeb heev rau kev ua haujlwm ntawm cov xim pleev, vim tias cov xim pleev uas tsis nplaum zoo yuav tsis muab kev tiv thaiv txaus lossis kev zoo nkauj. Hmoov Wollastonite ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev nplaum ntawm cov xim pleev rau ntau yam khoom siv, suav nrog ntoo, hlau, pob zeb, thiab yas. Ntawm qib microscopic, qhov chaw ntawm cov khoom wollastonite muaj qee qib ntawm qhov roughness, uas muab kev sib txuas lus nrog cov khoom siv. Thaum cov xim pleev raug siv, cov khoom sib txuas hauv cov xim pleev yuav sau cov qhov hws thiab qhov tsis sib xws ntawm qhov chaw ntawm cov khoom siv thiab nyob ib puag ncig cov khoom wollastonite, tsim kom muaj kev sib txuas zoo.

Ntxiv rau qhov kev sib txuas ntawm cov khoom siv, wollastonite kuj tseem tuaj yeem tsim cov tshuaj sib txuas nrog qee cov substrates. Piv txwv li, ntawm cov hlau nto, nws tuaj yeem cuam tshuam nrog cov hlau oxide txheej (yog tias muaj) lossis cuam tshuam nrog cov hlau primers, ua kom muaj zog ntawm kev sib txuas ntawm cov txheej thiab cov hlau. Qhov kev sib txuas muaj zog no tiv thaiv cov txheej los ntawm kev tev tawm thiab tawg dhau sijhawm, ua kom ntseeg tau tias qhov chaw pleev xim tseem nyob ruaj khov txawm tias nyob hauv qhov xwm txheej hnyav lossis kev ntxhov siab ntawm cov khoom siv.

Qhov tshuaj lom neeg tsis muaj zog ntawm wollastonite hmoov yog lwm qhov zoo tseem ceeb. Nws tiv taus feem ntau cov kua qaub, alkalis, thiab cov kuab tshuaj, uas txhais tau tias cov txheej txheem tsim nrog nws tseem ruaj khov txawm tias nyob rau hauv qhov chaw nyuaj. Hauv cov chaw ua haujlwm uas cov txheej txheem raug rau cov tshuaj lom neeg, cov pa luam yeeb, lossis cov tshuaj corrosive, cov txheej txheem uas muaj wollastonite tuaj yeem muab kev tiv thaiv ntev. Piv txwv li, hauv cov nroj tsuag tshuaj, cov tso tsheb hlau luam uas coated nrog wollastonite-enhanced xim tuaj yeem tiv taus xeb los ntawm cov tshuaj lom neeg nchuav thiab vapors, ntev lub neej ntawm cov tso tsheb hlau luam thiab txo cov nqi txij nkawm.

Hauv cov xim latex thiab cov primers, wollastonite hmoov pab txhawb kev ruaj khov ntawm kev khaws cia. Thaum lub sijhawm khaws cia, cov khoom ntawm cov xim pleev xim tuaj yeem sib cais, ua rau cov xim, cov khoom sau, thiab cov khoom sib txuas sib cais. Qhov kev sib cais no tuaj yeem ua rau cov qauv tsis sib xws thiab cov yam ntxwv tsis zoo thaum siv cov xim. Wollastonite lub cev zoo thiab qhov ceev qis pab tiv thaiv kev sib cais los ntawm kev tsim lub network peb-seem hauv cov xim. Lub network no ncua cov xim thiab lwm yam khoom me me, ua rau lawv sib npaug thiab tswj cov qauv sib xws thoob plaws lub sijhawm khaws cia. Yog li ntawd, thaum cov xim raug do ua ntej siv, nws sai sai rov qab mus rau qhov xwm txheej sib xws, npaj rau kev siv yam tsis tas yuav sib tov ntau dhau lossis ntxiv cov tshuaj thinner.

Nrog rau qhov kev thov kom siv cov txheej txheem uas kav ntev, pheej yig, thiab zoo rau ib puag ncig, lub luag haujlwm ntawm wollastonite hmoov ua cov khoom siv ntxiv tau dhau los ua qhov tseem ceeb dua. Hais txog kev phooj ywg ib puag ncig, los ntawm kev txo cov xim kim thiab siv cov peev txheej ntau xws li titanium dioxide, nrog rau kev siv cov binders, qhov cuam tshuam rau ib puag ncig ntawm kev tsim cov txheej txheem raug txo qis. Tsis tas li ntawd, wollastonite yog cov khoom siv ntuj, thiab nws cov kev rho tawm thiab kev ua tiav muaj qhov chaw qis dua piv rau cov khoom siv hluavtaws siv hauv qee cov txheej txheem.

Raws li kev lag luam txheej thiab xim txuas ntxiv tsim kho tshiab thiab tsim cov qauv tshiab los ua kom tau raws li qhov xav tau ntawm cov neeg siv khoom thiab kev lag luam, wollastonite hmoov yuav ua lub luag haujlwm tseem ceeb dua. Kev tshawb fawb txuas ntxiv mus tsom mus rau kev tshawb nrhiav ntxiv txog nws cov ntawv thov thiab tsim cov txheej txheem tshiab los ua kom zoo dua nws cov kev ua tau zoo. Piv txwv li, cov kws tshawb fawb thiab cov engineers tab tom ua haujlwm ntawm kev hloov kho qhov chaw ntawm cov khoom wollastonite kom txhim kho lawv qhov sib xws nrog cov binders thiab pigments sib txawv. Cov kev nce qib zoo li no tuaj yeem ua rau muaj kev tsim cov qauv txheej txheem zoo dua thiab ua tau zoo dua. Hauv kev xaus, kev sib xyaw ua ke ntawm cov khoom siv kho qhov muag thiab ua haujlwm ntawm wollastonite hmoov ua rau nws yog ib qho khoom xyaw tseem ceeb hauv kev lag luam txheej thiab xim niaj hnub, thiab nws qhov tseem ceeb yuav loj hlob yav tom ntej. Raws li kev lag luam txuas ntxiv hloov pauv, wollastonite yuav tsis muaj kev ntseeg siab nyob rau pem hauv ntej ntawm kev tsim kho tshiab, pab txhawb rau kev tsim cov txheej txheem uas tsis yog tsuas yog ua tau zoo xwb tab sis kuj ruaj khov dua thiab pheej yig dua.