Carboxymethyl cellulose (Carboxymethyl cellulose) na-etolite site mmeghachi omume nke hydroxyl otu anhydroglucose unit na cellulose yinye na etherification otu (chloro Z acid ma ọ bụ ethylene oxide);
Ọ bụ ihe na-enweghị agba amorphous soluble na mmiri, mmiri mmiri alkali ngwọta, amonia na cellulose ngwọta, insoluble na organic ngwọta na ịnweta mmanụ; enwere ike iji ya dị ka nha, calendering na onye na-eme ka ọ dị arọ na ụlọ ọrụ textile;
Ụlọ ọrụ nhazi na mmepụta akwụkwọ na osisi;
Reabsorption nke adịghị ọcha na ihe ndị na-ehicha ihe nke sịntetik;
Onye na-ahụ maka flotation maka ịhọrọ ọla kọpa-nickel na potassium ore;
Viscous nkwusioru thickener na stabilizer mgbe igwu mmanụ na gas olulu;
gluu mejupụtara maka akwụkwọ ahụaja;
akọrọ ihe owuwu mix components;
Akụkụ agba agba mmiri latex, wdg.
Hydroxypropyl methylcellulose (Hypromellose, Cellulose) bụ nke ukwuu dị ọcha cellulose owu dị ka akụrụngwa, nke a na-pụrụ iche etherified n'okpuru alkaline ọnọdụ, na ọ dịghị ihe ọ bụla na-arụsi ọrụ ike dị ka akụkụ anụmanụ na mmanụ. Soluble n'ime mmiri na ọtụtụ pola na nha kwesịrị ekwesị nke ethanol / mmiri, propanol / mmiri, dichloroethane, wdg, na-adịghị edozi na ether, acetone, na ethanol zuru oke, ma gbasaa n'ime ngwọta colloidal doro anya ma ọ bụ dịtụ turbid na mmiri oyi. Ihe ngwọta mmiri nwere ọrụ elu, nghọta dị elu na arụmọrụ kwụsiri ike.
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. Nkọwapụta dị iche iche nke HPMC nwere ụfọdụ ọdịiche na akụrụngwa ha. Mgbasa nke HPMC na mmiri adịghị emetụta uru pH.
Oge nzipu: Eprel-24-2023