Kev Ncua Ntawv Polymerization Ntawm Hydroxypropyl Methylcellulose hauv PVC

Raug tshem tawm polymerization ntawm hydroxypropylencellulose (HPMC) hauv polyvinyl chloride (PVC) tsis yog ib qho txheej txheem. HPMC feem ntau yog siv los ua tus ntxiv lossis hloov kho hauv PVC cov qauv siv ntau dua li tus neeg sawv cev polymerization.

Txawm li cas los xij, HPMC tuaj yeem qhia tau rau hauv PVC cov qauv los ntawm cov txheej txheem sib xyaw uas nws tau sib xyaw ua ke kom ua tiav cov khoom lossis kev ua tau zoo dua. Nyob rau hauv cov xwm txheej zoo li no, HPMC ua haujlwm ntau yam haujlwm xws li cov tuab, binder, stabilizer, lossis rheology kho tshuab.

Nov yog qee qhov kev coj ua ntawm HPMC nyob rau hauv PVC cov qauv:

1. Thickener thiab rheology kho mob: HPMC tuaj yeem ntxiv rau PVC cov qauv los kho viscosity, thiab txhim kho cov yam ntxwv ua kom zoo, thiab txhim kho cov yam ntxwv ntawm cov khoom siv polymer thaum ua.
2. Binder thiab Adhesion Promoter: HPMC txhim kho adhesion ntawm PVC cov lus qhia thiab lwm yam ntxiv rau hauv cov qauv, nce homogeneity thiab ruaj khov. Nws pab khi cov khoom xyaw ua ke, txo kev sib cais thiab txhim kho qhov kev ua tau zoo ntawm pvc cov tebchaw.
3. Stabilizer thiab cov yas ntim tau: HPMC ua raws li lub stabilizer nyob rau hauv pvc formationance nyob rau hauv pvc formationance, muab hluav taws xob ua rau thermal, thiab oxidation. Nws tseem ua kom muaj kev sib xyaw ntawm cov tshuab yas uas muaj PVC Resin, txhim kho cov khoom siv yooj yim, kev siv hluav taws xob, thiab huab cua ntawm cov khoom PVC.
4. Cuam Tshuam Hloov Kho: Hauv qee cov ntawv thov PVC, HPMC tuaj yeem ua raws li kev cuam tshuam hloov kho, txhim kho cov kev cuam tshuam thiab cuam tshuam tsis zoo ntawm cov khoom PVC. Nws pab kom nce ductility thiab pob txha lov ntawm pvc sib txuas, txo qhov ntxim nyiam ntawm brittle tsis ua tiav.
5. Tus Neeg Sawv Cev Muab Tub Ceev thiab Qhov Chaw Txhawb Nqa: HPMC tuaj yeem siv los ua tus neeg saib xyuas kom sib xyaw ua ke xws li tensile lub zog, modulus, thiab seem ruaj khov. Nws txhim kho qhov kev ua tau zoo tag nrho thiab cov qauv kev cai ntawm PVC cov khoom lag luam.

Thaum HPMC tsis yog feem ntau polymerized nrog PVC los ntawm Kev Ncua Kev Kawm Ntawv Polymerization, nws feem ntau yog qhia rau hauv PVC cov qauv los ntawm kev ua tiav cov kev ua tau zoo. Raws li kev ntxiv lossis hloov kho, HPMC ua rau muaj ntau yam khoom ntawm cov ntawv thov hauv kev tsim tawm xws li kev tsim kho, kev siv tsheb, ntim, thiab kev kho mob.