Polyvinylpyrrolidone Cross-linked PVPP Cas 25249-54-1
Polyvinylpyrrolidone cross-linked (PVPP) shine polymer mai haɗin gwiwa wanda ba shi da narkewa a cikin ruwa, acid mai karfi, tushe mai karfi, da sauran kaushi na kwayoyin halitta, wanda aka kafa ta hanyar polymerization na vinyl pyrrolidone monomers a ƙarƙashin takamaiman yanayi. A matsayin muhimmin samfurin sinadarai mai kyau na polymer, PVPP yana da kyawawan kaddarorin da yawa, kuma an yi amfani dashi sosai a cikin kayan shafawa, abinci, magani da sauran fannoni.
Samfura | PolyKoVidoneTM -XL (Nau'in A) | PolyKoVidoneTM-10 (Nau'in B) |
Bayyanar | Fari ko rawaya-fararen foda ko flakes | |
Abubuwan da ke narkewa da ruwa % max. | 1.0 | 1.0 |
Ƙimar pH (1% a cikin ruwa) | 5.0-8.0 | 5.0-8.0 |
Asara akan bushewa % max | 5.0 | 5.0 |
Sulfate ash % max | 0.1 | 0.1 |
Abubuwan Nitrogen % | 11.0-12.8 | 11.0-12.8 |
Rashin tsabta A(Vinylpyrrolidone) ppm max | 10 | 10 |
Peroxide (Kamar H2O2) ppm max | 400 | 1000 |
Karfe masu nauyi ppm max | 10 | 10 |
Girman ɓarna (µm), ≥80% | 50-250 | 5-50 |
PVPP, a matsayin muhimmin samfurin sinadarai mai kyau na polymer, yana da kyawawan kaddarorin da yawa, kuma an yi amfani dashi sosai a cikin kayan shafawa, abinci, magani da sauran fannoni. Saboda girman nauyin kwayoyin halitta da tsarin haɗin giciye na polyvinylketone mai haɗe-haɗe, ba ya narkewa a cikin ruwa amma zai iya haifar da tsarin cibiyar sadarwarsa da sauri don fadadawa da tarwatsewa yayin saduwa da ruwa. Ana amfani da PVPP ko'ina azaman wakili na tarwatsawa don allunan a cikin magani, kazalika da dakatarwar stabilizer, wakili mai haɗaɗɗun kayan aikin magunguna, da wakili mai haɗaɗɗun tannins da polyphenols a cikin magungunan shuka.
Samfura | Synonymous | CAS |
Povidone aidin | PVP-I | 25655-41-8 |
Polyvinylpyrrolidone | PVP | 9003-39-8 |
Polyvinylpyrrolidone mai haɗin gwiwa | Farashin PVPP | 25249-54-1 |
N-Vinyl-2-pyrrolidone | NVP | 88-12-0 |
N-Methyl-2-pyrrolidone | NMP | 872-50-4 |
25kgs/drum, 9tons/20'kwantena
Polyvinylpyrrolidone Cross-linked PVPP Cas 25249-54-1