HPMC bụ ihe mgbakwunye hypromellose a na-ahụkarị na ngwa ngwa akọrọ. Cellulose ether na-arụ ọrụ dị mkpa na ngwa agha akọrọ, n'ihi ọrụ elu, a na-ekesa cimentious n'ụzọ dị irè ma na-ekesa n'otu n'otu na usoro ahụ, cellulose ether bụ colloid na-echebe, "Enveloping" nke ihe siri ike na nhazi nke mmanu mmanu. ihe nkiri dị n'elu elu ha na-eme ka usoro ngwa agha kwụsie ike, ma na-emeziwanye mmiri nke ngwa agha na usoro ngwakọta na ire ụtọ nke ihe owuwu ahụ. The hypromellose HPMC bụ mmiri na-ejigide, na-egbochi mmiri si evaporating oke n'oge ma ọ bụ na-etinye obi gị dum site na isi N'ezie, n'ịhụ na ciment bụ n'ụzọ zuru ezu hydrated, na n'ibu Njirimara nke ngwa agha, nke bara uru karịsịa maka mkpa-Layer ngwa agha na mmiri- absorbent isi ọmụmụ, ma ọ bụ ngwa agha rụrụ n'okpuru elu okpomọkụ ihicha ọnọdụ. Mmetụta na-ejigide mmiri nke hypromellose nwere ike ịgbanwe usoro ihe owuwu omenala ma melite usoro ihe owuwu. Dị ka ọmụmaatụ, plasta nwere ike rụrụ na absorbent substrates na-enweghị tupu wetting. The viscosity, ọdịnaya, ambient okpomọkụ na molekụla Ọdịdị nke hypromellose HPMC nwere mmetụta dị ukwuu na ya mmiri njide. N'okpuru otu ọnọdụ ahụ, ka viscosity nke cellulose ether dị elu, ka mma na-ejide mmiri. Ka ọdịnaya nke cellulose ether dị elu, ka mma na-ejide mmiri. Mgbe ọdịnaya nke cellulose ether ruru ogo ụfọdụ, ikike ijide mmiri na-abawanye nwayọọ nwayọọ. Site na mmụba nke okpomọkụ gburugburu ebe obibi, ikike ijide mmiri nke cellulose ether na-ebelatakarị, ma ụfọdụ ether cellulose gbanwetụrụ nwekwara ikike ijide mmiri dị elu na okpomọkụ dị elu. Ikike ijide mmiri nke cellulose ethers na ọkwa dị ala nke nnọchi dị mma. Ụlọ ọrụ anyị nwere ike ịnye usoro njigide mmiri hypromellose HPMC iji dozie ọrụ njigide mmiri cellulose ether dị adị adịghị mma.
Oge nzipu: Ọktoba 30-2023