Dawb Polymer Hydroxypropyl Methyl Cellulose HPMC

Dawb Polymer hydroxypropyl methyl cellulose HPMC

Khoom taw qhia

Hydroxypropyl methyl cellulose (HPMC) yog ib hom non-ionic cellulose sib xyaw ether. Nws yog ib qho hluav taws xob, hluav taws xob, viscosious polymer. Nws nquag siv ophthalmology ua lub roj nplua nyeem, los yog raws li tus neeg mob los yog tus neeg mob hauv cov tshuaj noj hauv qhov ncauj. Nws muaj ntau yam khoom muag.

Lub cev lub cev

Tswm Cim thiab Cov Khoom: Dawb los yog quas-dawb fibrous los yog hmoov hmoov

Ceev: 1.39 g / cm 3

Solubility: Yuav luag tsis yoog rau hauv ethanol, ether thiab acetone; o Nyob hauv dej txias rau hauv qhov sib tov sib xyaws los yog me ntsis turbid colloidal

Kev Ruaj Ntseg: Cov tshuaj yog cov roj thiab tsis ua haujlwm nrog cov oxidants muaj zog.

Tshuaj vaj tse

1. Tshwm Sim: Dawb los yog hmoov zoo li hmoov.

2. Qhov loj me me; 100 mesh pass tus nqi ntau dua 98.5%; 80 tus nqi kis tau yog 100%. Qhov ntau ntawm cov qes ntawm cov lus qhia tshwj xeeb muaj txij 40 mus rau 60 npuag.

3. Kev ntsuas cua kub: 280-300 C

4. Kev kho kom sov siab: 190-200 C

5.Sububility: Soluble hauv dej thiab qee cov tshuaj muaj kuab.

6. HPMC txo nrog txo cov ntsiab lus ntawm methoxy, qhov nce ntawm cov ntsiab lus ntawm gel, txo cov dej solubility, thiab txo qis ntawm kev ua si.

7. HPMC kuj muaj cov yam ntxwv ntawm cov cuab yeej thickening, cov ntsev tsis taus uas tsis tshua muaj cov hmoov tshauv hmoov, pH stability, dej retention, dimensional stability, muaj peev xwm ua tau zoo nkauj, thiab muaj kev tiv thaiv kom tsis muaj zog enzyme, dispersibility thiab cohesion.

Ib pplication

Cov khoom no siv los ua cov khoom sib thooj, cov tshuaj, cov thawv, cov khoom siv roj, cov xim, cov khoom siv hluav taws xob, thiab lub tshuab hluav taws xob. Nws kuj yog siv rau hauv cov khoom siv hluav taws xob, kev ua lag luam tsiaj txhu, khoom ua paj, ntawv ua, tawv, tshuaj, khoom noj khoom haus thiab tshuaj pleev ib ce.

Cim npe nrov: dawb polymer hydroxypropyl methyl cellulose hpmc, manufacturers, lwm tus neeg, Hoobkas, nqe, yuav, pheej yig