HPMC ni a gíga funfun owu cellulose bi aise ohun elo, labẹ ipilẹ awọn ipo nipa pataki etherification ati igbaradi.White tabi whitish powder.HPMC dinku pẹlu awọn isalẹ ti methoxide akoonu, ilosoke ti gel ojuami, idinku ti omi solubility ati isalẹ ti dada aṣayan iṣẹ-ṣiṣe.
HPMC ni agbara ti o nipọn, iyọda iyọ, erupẹ eeru kekere, iduroṣinṣin pH, idaduro omi, iduroṣinṣin iwọn, fiimu ti o dara julọ, ati ibiti o pọju ti resistance enzymu, pipinka ati adhesion.
HPMC, Hydroxypropyl Methylcellulose iru ti kii-ionic cellulose ether, eyi ti o wa kan lulú ti funfun lati pa funfun awọ, ti o ṣiṣẹ bi a thickener, binder, film-tele, surfactant, aabo colloid, lubricant, emulsifier ati idadoro ati omi idaduro iranlowo. Ni afikun, awọn iru awọn ethers cellulose ṣe afihan awọn ohun-ini ti gelation thermal, inertness ti iṣelọpọ, resistance enzymu, õrùn kekere ati itọwo, ati iduroṣinṣin PH.
Nitori awọn myriad ti-ini, HPMC ti wa ni igba lo lati aropo ọpọlọpọ awọn miiran additives pẹlu kekere fojusi, ṣiṣe HPMC ohun ti iyalẹnu daradara ati ki o munadoko aropo ni agbegbe ti adhesives, ikole, onjẹ, ìdílé awọn ọja, elegbogi ati be be lo.
| Orukọ ọja | HPMC | ||
| akoonu ti metoxy | 28.0-30.0 27.0-30.0 19.0-24.0 | ||
| akoonu ti hydroxypropyl | 7.0-12.0 4.0-7.5 4.0-12.0 | ||
| iwọn otutu ti gelation | 58-64 62-68 70-90 | ||
| ọrinrin | ≤5% | ||
| Eeru | ≤1% | ||
| Iye owo PH | 4-8 | ||
| Irisi | Whie lulú | ||
| Amọdaju | 80-100 akojọ | ||
| Igi iki | 300-200,000 O le ṣe adani | ||
| Tun HPMC pọ pẹlu methoxy akoonu din, jeli ojuami omi solubility ati dada aṣayan iṣẹ-ṣiṣe tun kọ. Da lori awọn onibara 'ipo | |||
Akoko ifiweranṣẹ: Oṣu Kẹta-15-2021