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Ụlọ ọrụ a ma ama Poly (1-vinylpyrrolidone-co-vinyl acetate)/VP/VA CAS:25086-89-9

Nkọwa dị mkpirikpi:

Vinylpyrrolidone-vinyl acetate copolymer bụ copolymer nwetara site n'ịgbakọta vinylpyrrolidone (VP) na vinyl acetate (VA).Ọ bụ polymer sịntetik mere site na usoro nke radical polymerization.Copolymer a nwere ọtụtụ ihe dị ịrịba ama na-eme ka ọ bụrụ nke ewu ewu na ụlọ ọrụ dị iche iche.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Nke mbụ, copolymer a nwere ezigbo ihe na-emepụta ihe nkiri.Ọ nwere ike ịmepụta ihe nkiri doro anya nke nwere ezigbo adhesion na ogologo oge.Nke a na-eme ka ọ bụrụ ihe dị mma maka mkpuchi na ntanye eji eme ihe dị iche iche gụnyere agba, varnishes na varnishes.

Na mgbakwunye, vinylpyrrolidone-vinyl acetate copolymers na-egosipụta ọmarịcha solubility na mmiri na ọtụtụ ihe mgbaze organic.Solubility a na-enye ya ohere iji ya dị ka ihe na-eme ka ọ dị arọ n'ụdị dị iche iche, gụnyere ngwaahịa nlekọta onwe onye dị ka gels ntutu, sprays na lotions.Ngwongwo nrapado mara mma nke copolymer a na-emekwa ka ọ bụrụ ihe bara uru n'ichepụta mbadamba nkume na capsules maka ụlọ ọrụ ọgwụ.

Tụkwasị na nke a, enwere ike gbanwee conductivity nke vinylpyrrolidone-vinyl acetate copolymers dị ka ihe ndị a chọrọ, na-eme ka ha dị mma maka ngwa eletriki na mkpuchi mkpuchi.Ndakọrịta ya na ihe dị iche iche dị ka ọla, plastik na textiles na-agbakwunye na ike ya na uru ya.

Tụkwasị na nke ahụ, vinylpyrrolidone-vinyl acetate copolymers bụ ihe na-ekpo ọkụ ma na-eguzogide radieshon UV, na-eme ka ọ dị ogologo ndụ na ịrụ ọrụ ogologo oge maka ngwa n'èzí.Nke a na-eme ka ọ bụrụ nhọrọ magburu onwe ya maka mkpuchi nchebe na ụlọ, ụgbọ ala na ngwá electronic.

Na nchịkọta, vinylpyrrolidone-vinyl acetate copolymers nwere ọmarịcha ihe na-emepụta ihe nkiri, solubility, conductivity electric, and thermal nkwụsi ike, na-enye ọtụtụ ohere maka ụlọ ọrụ dị iche iche.Ngwa ya sitere na mkpuchi na nrapado na ngwaahịa nlekọta onwe onye yana ngwa eletrọnịkị.Anyị nwere obi ike na vinylpyrrolidone-vinyl acetate copolymers ga-ezute ma gafere ihe ị tụrụ anya ya site na ịdị elu ha na arụmọrụ na-agbanwe agbanwe.

Nkọwapụta:

Ọdịdị Gbanyụọ ntụ ntụ ọcha Gbanyụọ ntụ ntụ ọcha
Nyocha (%) 98.0 98.28
Mmiri (%) 0.5 0.19
Ọdịdị Hygroscopic ntụ ntụ ma ọ bụ flakes na-acha ọcha ruo odo-acha ọcha Dabara
Uru K (%) 25.2-30.8 29.5
PH (1.0 g na 20 ml) 3.0-7.0 3.8
Vinyl acetate (%) 35.3-41.4 37.2
Nitrogen (%) 7.0-8.0 7.3
Ihe fọdụrụ na mgbanye (%) 0.1 Dabara

Ọla dị arọ (PPM)

10 Dabara

Aldehydes(%)

0.05 0.04

Hydrazine (PPM)

1 <1

Peroxides (dị ka H2O2)

0.04 0,005

Isopropyl mmanya(%)

0.5 0.08

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