Poly (vinyl cawv) nrog CAS 9002-89-5

CAS:9002-89-5

Cov mis molecular:C2H4O

Qhov Hnyav Molecular:44.05256

EINECS:209-183-3

Cov lus txhais:POLYVINYLALCOHOL2000; Polyvinyl cawv, 86-89% hydrolyzed, nruab nrab molecular hnyav; Polyvinyl cawv, 98-99% hydrolyzed, nruab nrab molecular hnyav; Polyvinyl cawv, 98-99% hydrolyzed, siab molecular hnyav; Poly(vinyl cawv) n=1750+/-50; Poly(vinyl cawv) n(=:)2,000(degree'sofsaponificationca.80mol%); POLYVINYLALCOHOL98-99% HYDROLYZED; POLYVINYLALCOHOL99%HMOOV

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

Poly (vinyl cawv) nrog CAS 9002-89-5 yog dab tsi?

Cawv polyvinyl yog ib hom polymer uas yaj tau hauv dej. Poly (vinyl cawv) tuaj yeem ua tus neeg sawv cev rau txheej; roj nplua nyeem; tshuaj yaj; tackifier.

Cov Lus Qhia Tshwj Xeeb

ITEM	STANDARD	TXAUS SIAB
Qhov tsos	Hmoov dawb khov kho	Tsim nyog
Qhov viscosity	21.0～33.0	28
Tus nqi PH	5.0 ~ 8.0	6.7
Qib ntawm hydrolysis%	85 ~ 89	89
Poob ntawm qhov ziab%	≤5.0	Tsim nyog
Cov seem hlawv%	≤1.0	Tsim nyog
Dej tsis yaj hauv dej%	≤0.1	Tsim nyog
Methanol thiab methyl acetate%	≤1.0	Tsim nyog
Tus nqi acid%	≤3.0	Tsim nyog
Hlau hnyav	≤10ppm	Tsim nyog
Kev Ntsuas%	85.0% ~ 115.0%	Tsim nyog

Daim Ntawv Thov

Daim ntawv thov hauv kev npaj tshuaj lossis cov txheej txheem npaj:

Cawv polyvinyl feem ntau yog siv rau hauv kev npaj tshuaj pleev thiab ophthalmic;

Cawv polyvinyl tuaj yeem siv los ua tus stabilizer hauv emulsions.

Cawv polyvinyl kuj tseem siv los ua tackifier hauv cov khoom siv viscous xws li cov khoom siv ophthalmic.

Cawv polyvinyl yog siv rau kev ua kom lubrication hauv cov kua muag dag thiab cov tshuaj lens, thiab kuj tseem siv rau hauv cov tshuaj noj uas tso tawm tas li thiab cov thaj transdermal.

Cawv polyvinyl kuj tseem tuaj yeem sib xyaw nrog cov kua glutaraldehyde los tsim cov microspheres.