VP/VA Copolymer
* Cosmetic Qib VP / VA Copolymers nrog sib txawv rations ntawm N-Vinylpyrrolidone rau Vinyl Acetate, soluble nyob rau hauv feem ntau cov organic solvents.Nws muaj nyob rau hauv hmoov, dej tov thiab ethnol tov daim ntawv. VP/VA Copolymers 'aqueous solutions yog non-ionic, neutralization tsis tas yuav tsum tau, Resultant films yog ib qho nyuaj, glossy, thiab dej tshem tau; Tunable viscosity, softening point thiab dej rhiab heev nyob ntawm VP / VA piv; Kev sib raug zoo nrog ntau cov kev hloov kho, cov yas yas, cov tshuaj tua kab mob thiab lwm cov khoom xyaw kom zoo nkauj, thiab cov hydroscopicity txo qis rau qhov kev faib ua feem ntawm Vinyl acetate.
Tseem ceeb Technical Parameters:
| Khoom | |||
| Qhov tshwm sim | Dawb rau creamy dawb, dawb-ntws hmoov | Pob tshab rau me ntsis yellowish kua | |
| VP/VA | 60/40 ib | 60/40 ib | 70/30 ib |
| K Tus nqi | 27-35 : kuv | 27-35 : kuv | 27-35 : kuv |
| Monomers | 0.1% max. | 0.1% max. | 0.1% max. |
| Dej | 5.0% max. | 48 ~ 52% | 48 ~ 51% |
| Cov ntsiab lus | 95% max. | 48 ~ 51% | 48 ~ 52% |
| Sulfated tshauv | 0.1% max. | 0.1% max. | 0.1% max. |
| Tus nqi pH (10% hauv dej) | 4.0 ~ 7.0 | 4.0 ~ 7.0 | 4.0 ~ 7.0 |
Daim ntawv thov:
VP / VA Copolymer yog qhov kev xaiv zoo tshaj plaws raws li tus neeg sawv cev tsim zaj duab xis thiab cov plaub hau-styling tus neeg saib xyuas, uas tsim nyog rau cov plaub hau uas siv los ua zaj duab xis tsim thiab viscosity hloov kho, tshwj xeeb tshaj yog nyob rau hauv cov plaub hau styling cov khoom, xws li Cov plaub hau Gels, Aerosol gas sprays, ntub saib tsuag. .
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* Pharmaceutical Qib VP / VA Copolymer-Copovidonenrog 60/40 ration ntawm N-Vinylpyrrolidone rau Vinyl Acetate, soluble nyob rau hauv feem ntau cov organic solvents.Nws muaj nyob rau hauv hmoov,Copovidone cov ntaub ntawv nyuaj, dej-rho tawm thiab glossy films, nws muaj zoo heev compatibility nrog ntau plasticizers thiab modifiers. Zoo solubility nyob rau hauv dej, cawv thiab lwm yam organic solvents.
Tseem ceeb Technical Parameters:
| Qhov tshwm sim | Dawb los yog daj-dawb hmoov los yog flakes, hygroscopic |
| Viscosity (Express as K tus nqi) | 25.20-30.24 dr hab |
| Solubility | Dawb soluble hauv dej, hauv cawv thiab hauv methylene chloride |
| Cov cim | A. Infrared Absorption |
| BA xim liab tshwm | |
| CA violet xim tshwm | |
| Peroxides (Expressed li H2O2) | 400 ppm max. |
| Hydrazine | 1 ppm max. |
| Monomers (VP + VA) | 0.1% max. |
| Impurity A (2-Pyrrolidone) | 0.5% max. |
| Heavy Metals (raws li Pb) | 20 ppm max. |
| Poob rau ziab | 5.0% max. |
| Sulfated tshauv | 0.1% max. |
| Ethenyl Acetate Cov ntsiab lus | 35.3 ~ 42.0% max. |
| Nitrogen ntsiab lus | 7.0 ~ 8.0% |
Daim ntawv thov:
Copovidone feem ntau yog siv los ua dej-soluble binder thiab qhuav binder hauv cov txheej txheem ntub dej / ncaj qha granulation, nws tseem tuaj yeem siv los ua cov ntaub ntawv ua yeeb yaj kiab.
* Dej soluble ntsiav tshuaj binder, haum rau ntub lossis qhuav granulation / ncaj qha compression txheej txheem.
* Zaj duab xis yav dhau los: permeable zaj duab xis txheej rau ntsiav tshuaj thiab qab zib txheej los tiv thaiv kev sib cais, txo qis noo noo thiab muab zaj duab xis zoo adhesion.
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*Technical Qib VP/VA Copolymersyog nrog kev sib txawv ntawm vinylpyrrolidone rau vinyl acetate thiab muaj raws li cov hmoov dawb los yog cov ntshiab pob tshab hauv dej, ethanol thiab isopropanol. cov khoom, ua ke nrog lub peev xwm los tswj lawv cov hydrophilicity los ntawm monomer muaj pes tsawg leeg, ua rau nws siv dav hauv kev lag luam.
Tseem ceeb Technical Parameters:
| Khoom | |||
| Qhov tshwm sim | Dawb rau creamy dawb hmoov | Pob tshab rau me ntsis yellowish kua | |
| VP/VA | 60/40 ib | 60/40 ib | 70/30 ib |
| K Tus nqi | 27-35 : kuv | 27-35 : kuv | 27-35 : kuv |
| Monomers | 0.2% max. | 0.2% max. | 0.2% max. |
| Dej | 5.0% max. | 48 ~ 52% | 48 ~ 51% |
| Cov ntsiab lus | 95% max. | 48 ~ 51% | 48 ~ 52% |
| Sulfated tshauv | 0.1% max. | 0.1% max. | 0.1% max. |
| Tus nqi pH (10% hauv dej) | 4.0 ~ 7.0 | 4.0 ~ 7.0 | 4.0 ~ 7.0 |
Daim ntawv thov:
VP / VA copolymer siv dav siv hauv cov nplaum nplaum, cov khoom siv hluav taws xob thiab cov coatings rau inkjet media paper, yas zaj duab xis, Agriculture & lwm yam substrates.
* Coatings ntawm daim ntawv, zaj duab xis, lwm yam substrates * Dej remoistenable adhesives
* Dej soluble adhesives * Kho kom zoo nkauj thiab tiv thaiv txheej
* Photoresist / solder mask binders * Agricultural chemicals
* Bioadheives * Cov npog ntsej muag tiv thaiv
* Nroj tsuag nplooj
* Ib Lub Tuam Txhab Kev Lag Luam-University-Kev Tshawb Fawb Kev Sib Koom Tes Innovation Company
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* Kev txhawb nqa txuj ci
* Kev them nyiaj yug me me
* Ntau yam ntaub ntawv pov thawj ntawm Kev Kho Tus Kheej Raw Materials & Active Ingredients
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* 24 teev Teb & Kev Pabcuam
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