PVP Poly (1-vinylpyrrolidone-co-vinyl acetate) CAS 25086-89-9
Sunan samfur: Poly (1-vinylpyrrolidone-co-vinyl acetate)
Saukewa: 25086-89-9
Saukewa: C10H15NO3
MW: 197.23
EINECS:
Mol fayil: 25086-89-9.mol
yawa 1.27 g/mL a 25 ° C (lit.)
Ma'anar refractive 1.4300 zuwa 1.4380
Fp 72 °F
siffan foda
launi Fari
Kwanciyar hankali: Barga. Combustible, musamman a cikin foda. Ba tare da jituwa tare da magungunan oxidising masu ƙarfi, masu rage ƙarfi masu ƙarfi.
| Abu | Daidaitawa | Sakamako |
| K darajar | 25-36 | 30.21 |
| Aldehyde % | ≤0.05 | 0.5 |
| Peroxide ppm | ≤400 | 232 |
| Hydrazine ppm | ≤ 1 | 1 |
| N-vinylpyrrolidone % | ≤0.1 | 0.1 |
| Najasa A(2-Pyrrolidinone) % | ≤0.5 | 0.5 |
| Ƙarfe mai nauyi ppm | ≤20 | 20 |
| Danshi% | ≤5.0 | 2.89 |
| Ragowa akan ƙonewa % | ≤0.1% | 0.073 |
| Ethenyl acetate % | 35.3-42 | 38.96 |
| Nitrogen % | 7.0-8.0 | 7.5 |
Copovidone polymer ce mai narkewar ruwa da ake amfani da ita don haɓaka haɓakawa da lodin ƙwayoyi na nau'ikan magunguna daban-daban, gami da facin hana haihuwa.
Poly (1-vinylpyrrolidone-co-vinyl acetate) shine babban kayan albarkatun kayan shafawa ana amfani dashi don gel gashi, mousse, shamfu, da dai sauransu, da surfactants, magunguna da sauran dalilai na masana'antu. Ana amfani da su galibi azaman manne mai narkewa da ruwa da busassun adhesives a cikin granulation da fasahar tableting kai tsaye, azaman kayan aikin fim a cikin suturar fim, kuma azaman abubuwan da ke haifar da pore a cikin wakilai na masking. Ana amfani dashi don suturar sukari don hana fashewa. Ana amfani da murfin ƙasan littafin sinadarai don dalilai na tabbatar da danshi. Vp/va copolymer jerin samfuran ana amfani da su a matsayin wakilai masu ƙirƙirar fim da wakilai masu salo a fagen kayan kwalliya, musamman a cikin abubuwan fashewa, gels gashi, mousse da samfuran samfuran shamfu. Suna taka muhimmiyar rawa a matsayin wakili na samar da fim da wakili na gyaran gashi. Idan an yi amfani da su tare da pvpk30, za a inganta tasirin amfanin su.
Siffar farin foda ne ko ruwa mara launi. Nau'in na yau da kullun shine PVP-64.
25kg/drum
