Tsev> ua yeeb yam
Cov khoom lag luam vinyl stearate VSt yog ib yam tshuaj lom neeg zoo rau ntau yam kev lag luam, vim nws cov khoom tshwj xeeb thiab ntau yam kev siv. Cov tshuaj no feem ntau koom nrog kev tsim cov yas, cov kua roj vanish, thiab cov kua nplaum [1], peb yuav qhia txog yam uas polyvinyl stearate yog (nws cov khoom thiab kev siv), nws daim ntawv thov hauv kev lag luam tshuaj lom neeg, thiab nws cov cib fim ua cov khoom ntsuab lossis cov khoom lag luam ruaj khov.
Vinyl stearate yog ib hom ester tshwj xeeb, ib yam khoom tsim los ntawm kev sib xyaw ua ke ntawm cawv thiab kua qaub. Qhov no feem ntau hu ua plasticizer, uas yog ib yam khoom siv los ua kom cov yas yooj ywm thiab ruaj khov. Stearate vinyl kuj yog ib yam roj nplua nyeem zoo thiab siv tau rau ntau yam lag luam.
Kev siv rau hauv kev lag luam Vinyl stearate yog ib yam tshuaj lom neeg loj heev. Nws yog ib qho ua ntej rau cov yas, xim, thiab cov nplaum thiab siv dav hauv kev tsim ntau yam khoom siv rau cov neeg siv khoom. Cov khoom siv no muaj cov yam ntxwv ua tau zoo xws li lub neej ntev thiab kev tiv thaiv scuff. Vinyl stearate kuj tseem siv ua surfactant los txo qhov nro ntawm qhov chaw thiab txhim kho kev sib kis ntawm cov kua dej.
Vinyl stearate feem ntau siv ua cov khoom xyaw hauv kev tsim cov yas. Nws yog siv ua cov khoom ntxiv hauv cov yas uas ua rau muaj kev ywj pheej thiab ruaj khov. Vinyl stearate feem ntau siv rau hauv kev tsim cov PVC, cov khoom yas siv hauv kev tsim kho, ntim khoom thiab tsheb. Thaum siv PVC nrog rau vinyl stearate lwm cov khoom kuj tuaj yeem tau los ntawm qhov muaj qhov zoo ntawm kev tiv taus cua sov, tshuaj lom neeg thiab UV lub teeb.
Vinyl stearate kuj tseem siv rau hauv kev tsim cov tshuaj pleev xim thiab cov nplaum. Qhov no kuj txhim kho qhov kev nplaum thiab kev tiv thaiv ntawm cov ntaub ntawv no kom lawv siv tau zoo dua rau kev sib txuas thiab tiv thaiv ib qho chaw. Vinyl stearate siv dav hauv kev tsim cov xim pleev, cov tshuaj tshem tawm xim, cov kua roj vanish thiab cov sealants. Vinyl stearate yuav muaj nyob rau hauv cov khoom no los tsim cov yeeb yaj kiab, uas yog cov dej tsis kam (tiv taus dej), tshuaj lom neeg pov thawj (tiv taus ntub dej) thiab khawb tsis kam!
Qhov kev xav loj hlob mus rau cov khoom lag luam uas zoo rau ib puag ncig thiab ruaj khov yuav yog qhov tseem ceeb rau kev lag luam vinyl stearate. Nws tsis muaj tshuaj lom thiab biodegradable thiab tuaj yeem yog lwm txoj hauv kev rau cov tshuaj ib txwm muaj hauv feem ntau daim ntawv thov. Yeej ib txwm muaj kev siv zog los txo qhov cuam tshuam rau ib puag ncig ntawm kev tsim cov khoom thiab txhua lub tuam txhab uas siv vinyl stearate tab tom taug txoj kev zoo. Hais txog yav tom ntej, cov khoom lag luam vinyl stearate uas zoo rau ib puag ncig thiab ntsuab dua.
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