1. Okpomọkụ jel (mgwọta 0.2%) 50-90°C.
2. A na-agbaze n'ime mmiri na ọtụtụ polar c na oke kwesịrị ekwesị nke ethanol/mmiri, propanol/mmiri, dichloroethane, wdg., nke na-anaghị agbaze na ether, acetone, ethanol zuru oke, ma gbasaa ghọọ ihe doro anya ma ọ bụ ntakịrị ihe gbara ọchịchịrị na mmiri oyi colloidal. Mmiri mmiri ahụ nwere ọrụ elu, nghọta dị elu na arụmọrụ kwụsiri ike.
3. HPMC nwere ihe onwunwe nke imepụta ihe na-ekpo ọkụ. A na-ekpo ọkụ mmiri mmiri nke ngwaahịa ahụ iji mepụta jel ma mee ka ọ dị mmiri mmiri, wee gbazee mgbe ọ jụrụ oyi. Okpomọkụ gelation nke nkọwapụta dị iche iche dị iche. Ịgbaze na-agbanwe site na viscosity. Ka viscosity dị ala, otú ahụ ka ịgbaze na-abawanye. Nkọwapụta dị iche iche nke HPMC nwere ụfọdụ ọdịiche na njirimara ha, uru pH anaghị emetụta mgbasa nke HPMC na mmiri.
4. Nha nke ihe ndị dị n'ime ya: 100 mesh gafere karịa 98.5%. Njupụta nke nnukwu ihe: 0.25-0.70g/ (na-abụkarị ihe dị ka 0.4g/), ike ndọda kpọmkwem 1.26-1.31. Okpomọkụ mgbanwe agba: 180-200°C, okpomọkụ carbonization: 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. Okpomọkụ jel (0.2%) 50-90°C
5. HPMC nwere njirimara nke ikike ịka nká, mwepụ nnu, nkwụsi ike PH, idobe mmiri, nkwụsi ike nha, ihe onwunwe imepụta ihe nkiri dị mma, ọtụtụ iguzogide enzyme, mgbasa na njikọta.
Oge ozi: Eprel-17-2023