Poly (mmanya vinyl) nwere CAS 9002-89-5

CAS:9002-89-5

Ụdị molekụla:C2H4O

Ibu Molecular:44.05256

EINECS:209-183-3

Ụdị okwu:POLYVINALCOHOL2000;Polyvinyalcohol, 86-89% hydrolyzed, mediummolecularweight;Polyvinyalcohol, 98-99% hydrolyzed, mediummolecularweight;Polyvinyalcohol, 98-99% hydrolyzed, elu molecular arọ;Poly(vinyl mmanya) n=1750+/-50;Poly(vinylAlcohol) n(=:)2,000(degree'sofsaponificationca.80mol%);POLYVINYLALCOHOL98-99% HYDROLYZED;POLYVINYLALCOHOL99% ntụ ntụ

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Mkpado ngwaahịa

Gịnị bụ Poly (vinyl mmanya) na CAS 9002-89-5?

Polyvinyl mmanya bụ polymer sịntetik na-agbaze mmiri.Poly (vinyl mmanya) nwere ike ịbụ ihe mkpuchi;mmanu mmanu;solubilizer;tackifier.

Nkọwapụta

ITEM	STANDARD	Nsonaazụ
Ọdịdị	White siri ike ntụ ntụ	tozuru oke
Viscosity	21.0 ~ 33.0	28
PH uru	5.0-8.0	6.7
Ogo nke hydrolysis%	85–89	89
Mfu na ihicha%	≤5.0	tozuru oke
Ihe fọdụrụ na-ere ọkụ%	≤1.0	tozuru oke
Mmiri na-adịghị edozi%	≤0.1	tozuru oke
Methanol na methyl acetate%	≤1.0	tozuru oke
Uru acid%	≤3.0	tozuru oke
Igwe dị arọ	≤10ppm	tozuru oke
Nyocha%	85.0% ~ 115.0%	tozuru oke

Ngwa

Ngwa na nkwadebe ọgwụ ma ọ bụ usoro nkwadebe:

A na-ejikarị mmanya polyvinyl eme ihe na nkwadebe n'elu na ophthalmic;.

Enwere ike iji mmanya polyvinyl mee ihe dị ka ihe nkwụnye na emulsions.

A na-ejikwa mmanya polyvinyl mee ihe dị ka ihe mgbochi n'ime nkwadebe viscous dị ka ngwaahịa ophthalmic.

A na-eji mmanya polyvinyl mee mmanu n'ime anya mmiri artificial na ngwọta lens kọntaktị, a na-ejikwa ya na nkwadebe mwepụta ọnụ na patches transdermal.

Enwere ike ịgwakọta mmanya polyvinyl na ngwọta glutaraldehyde iji mepụta microspheres.