PVP Poly (1-vinylpyrrolidone-co-vinyl acetate) CAS 25086-89-9
Aha ngwaahịa: Poly (1-vinylpyrrolidone-co-vinyl acetate)
Nọmba: 25086-89-9
MF: C10H15NO3
MW: 197.23
EINECS:
Mol faịlụ: 25086-89-9.mol
Njupụta 1.27 g / ml na 25 Celsius C (ọkụ)
index refractive 1.4300 ruo 1.4380
Fp 72 Celsius F
ụdị ntụ ntụ
agba Ọcha
Nkwụsi ike: Stable. Na-ere ọkụ, karịsịa n'ụdị ntụ ntụ. Na-ekwekọghị na ihe ndị na-emepụta oxidising siri ike, ndị na-ebelata ike.
| Ihe | Ọkọlọtọ | Nsonaazụ |
| K uru | 25-36 | 30.21 |
| Aldehyde% | ≤0.05 | 0.5 |
| Peroxide ppm | ≤400 | 232 |
| Hydrazine ppm | ≤ 1 | 1 |
| N-vinylpyrrolidone% | ≤0.1 | 0.1 |
| adịghị ọcha A(2-Pyrrolidinone) % | ≤0.5 | 0.5 |
| ppm metal dị arọ | ≤20 | 20 |
| Mmiri % | ≤5.0 | 2.89 |
| Ihe fọdụrụ na mgbanye % | ≤0.1% | 0.073 |
| Ethenyl acetate% | 35.3-42 | 38.96 |
| Nitrogen % | 7.0-8.0 | 7.5 |
Copovidone bụ polymer soluble mmiri na-eji emeziwanye nnabata na ntinye ọgwụ nke ọgwụ dị iche iche, gụnyere ihe mgbochi mgbochi.
Poly (1-vinylpyrrolidone-co-vinyl acetate) bụ isi akụrụngwa nke ịchọ mma na-eji maka ntutu gel, mousse, shampoo, wdg, yana surfactants, pharmaceuticals na ndị ọzọ ulo oru nzube. A na-ejikarị ha eme ihe dị ka ihe ntanye na-edozi mmiri na adhesives akọrọ na granulation na teknụzụ mbadamba kpọmkwem, dị ka ihe na-emepụta ihe nkiri na mkpuchi ihe nkiri, yana dị ka pore na-emepụta ihe na ihe mkpuchi. A na-eji ya maka mkpuchi shuga iji gbochie mgbawa. A na-eji mkpuchi ala akwụkwọ kemịkal mee ihe na-egbochi mmiri. A na-ejikarị ngwaahịa Vp/va copolymer dị ka ndị na-emepụta ihe nkiri na ndị na-emepụta ihe n'ọhịa nke ịchọ mma, karịsịa na ndị na-agbawa agbawa, gels ntutu, mousse na ngwaahịa usoro ncha ntutu. Ha na-arụ ọrụ dị mkpa dị ka onye na-emepụta ihe nkiri na onye na-edozi ntutu isi. Ọ bụrụ na ejiri ya na pvpk30, a ga-abawanye mmetụta ojiji ha.
Ọdịdị ahụ bụ ntụ ntụ ọcha ma ọ bụ mmiri mmiri na-enweghị agba. Ụdị oge niile bụ PVP-64.
25kg / agba
