Povidone Usp 42

Daim ntawv thov:

Tshuaj pleev ib ce txhua hnub

Nyob rau hauv cov qauv kev noj PVP, kev lag luam tshuaj pleev ib ce hauv cov teb chaws tsim muaj 30 feem pua ​​​​mus rau 50 feem pua, thiab kuv lub teb chaws suav txog 70 feem pua ​​​​rau 80 feem pua. Vim tias PVP muaj cov tshuaj toxicity tsawg heev thiab lub cev tsis muaj zog, nws tsis muaj qhov khaus ntawm daim tawv nqaij thiab qhov muag, thiab muaj cov ntaub ntawv siv mus ntev hauv kev kho mob, yog li nws muaj kev nyab xeeb rau kev siv tshuaj pleev ib ce. Hauv cov tshuaj pleev ib ce niaj hnub, PVP thiab copolymers muaj qhov sib txawv zoo thiab cov khoom ua yeeb yaj kiab. PVP tuaj yeem tiv thaiv colloids hauv emulsions. Nws tuaj yeem siv rau hauv cov roj thiab tsis muaj roj, ua kua styling, tshuaj tsuag plaub hau thiab rub Silk chaw tus neeg saib xyuas, tshuaj pleev thaiv hnub rau cov plaub hau txias, ua npuas ncauj stabilizer rau tshuaj zawv plaub hau, yoj chaw tus neeg sawv cev thiab dispersant thiab affinity tus neeg saib xyuas hauv cov plaub hau zas. Ntxiv PVP rau vanishing cream, tshuaj pleev thaiv hnub, thiab depilatory tuaj yeem txhim kho cov moisturizing thiab lubricating nyhuv.

Tshuaj ntxuav tes

PVP muaj cov khoom siv los tiv thaiv av rov los nag thiab tuaj yeem siv los npaj cov kua nplaum lossis cov khoom siv hnyav. Ntxiv PVP rau cov tshuaj ntxuav tes muaj qhov zoo tiv thaiv kev sib hloov, thiab tuaj yeem txhim kho lub peev xwm ntxuav. Nws tuaj yeem tiv thaiv cov khoom siv hluavtaws los ntawm kev cuam tshuam thaum ntxuav ntaub. Cov tawv nqaij khaus, tshwj xeeb tshaj yog rau cov hluavtaws fibers, qhov kev ua haujlwm no tseem ceeb dua li carboxymethyl cellulose (CMC) detergents. PVP tuaj yeem sib xyaw nrog borax ua cov khoom muaj txiaj ntsig zoo hauv cov tshuaj tua kab mob phenolic. Hauv cov tshuaj ntxuav tes nrog PVP thiab hydrogen peroxide, nws muaj cov nyhuv bleaching thiab tua kab mob.

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