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![PVA Crystals CAS 9002-89-5]()
PVA Crystals CAS 9002-89-51. Muab Lub Npe: PVA Crystals .
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![PVA Adhesive CAS 9002-89-5]()
PVA Adhesive CAS 9002-89-51. Ua tiav: PVA Adhesive . 2. Kev
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![PVA Tso Tawm Tsam CAS 9002-89-5]()
PVA Tso Tawm Tsam CAS 9002-89-51. Muab Lub Npe: PVA Tso Tawm Tsam Tso
Dej cawv Polyvinyl yog qee yam ntawm cov hluavtaws nrog dej souble high-molecular polymer. Cov ntsiab lus tshwj xeeb suav nrog qib polymerization&alcoholysis thiab lwm yam kev ua tau zoo. Cawv polyvinyl yog ua los ntawm polymerization ntawm vinyl acetate nyob rau hauv methanol solvent, tom qab ntawd ua haujlwm alcoholysis los ntawm kev siv cov txheej txheem ntawm cov alkali tsawg. Tom qab grining, ziab thiab ntim khoom, kawg PVA khoom tiav.
Xav tias dawb yuav PVA (polyvinyl cawv) ntawm tus nqi pheej yig los ntawm peb lub Hoobkas. Raws li ib qho ntawm kev tshaj lij PVA (polyvinyl cawv) tuam ntxhab thiab cov muag khoom, peb ib txwm nyob ntawm koj qhov kev pabcuam.
Xa kev nug