1. Gel okpomọkụ (0.2% ngwọta) 50-90 ° C.
2. Soluble na mmiri na ọtụtụ polar c na nha kwesịrị ekwesị nke ethanol / mmiri, propanol / mmiri, dichloroethane, wdg, na-adịghị edozi na ether, acetone, ethanol zuru oke, ma gbasaa n'ime doro anya ma ọ bụ ntakịrị turbid na mmiri oyi colloidal ngwọta. Ihe ngwọta mmiri nwere ọrụ elu, nghọta dị elu na arụmọrụ kwụsiri ike.
3. HPMC nwere ihe onwunwe nke thermal gelation. Ngwaahịa aqueous ngwọta na-ekpo ọkụ na-etolite a gel na precipitates, na mgbe dissolves mgbe obi jụrụ. Okpomọkụ gelation nke nkọwa dị iche iche dị iche iche. Solubility dị iche na viscosity. Na ala viscosity, ka ukwuu solubility. Nkọwa dị iche iche nke HPMC nwere ụfọdụ ọdịiche dị na ihe onwunwe ha, na mgbasa nke HPMC na mmiri adịghị emetụta uru pH.
4. Oke urughuru: 100 mesh ngafe ọnụego karịrị 98.5%. Nnukwu njupụta: 0.25-0.70g/ (na-emekarị gburugburu 0.4g/), nnukwu ike ndọda 1.26-1.31. Okpomọkụ ngbanwe: 180-200C, carbonization okpomọkụ: 280-300°C. Uru methoxyl sitere na 19.0% ruo 30.0%, uru hydroxypropyl sitere na 4% ruo 12%. Viscosity (22°C, 2%) 5 ~ 200000mPa .s. Gel okpomọkụ (0.2%) 50-90 Celsius
5. HPMC nwere e ji mara nke ndim ike, nnupụpụ nnu, PH kwụsie ike, mmiri njigide, akụkụ kwụsie ike, magburu onwe film-akpụ onwunwe, dịgasị iche iche nke enzyme eguzogide, dispersibility na cohesiveness.
Oge nzipu: Eprel-17-2023