Poly (mmanya vinyl) nwere CAS 9002-89-5
Polyvinyl mmanya bụ polymer sịntetik na-agbaze mmiri. Poly (vinyl mmanya) nwere ike ịbụ ihe mkpuchi; mmanu mmanu; solubilizer; tackifier.
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 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.
25kg / drum ma ọ bụ ihe ndị ahịa chọrọ.
Poly(Vinyl Alcohol) na CAS 9002-89-5
Poly(Vinyl Alcohol) na CAS 9002-89-5