Hydroxypropyl methylcellulose ether (HPMC) nwere njigide mmiri na mmetụta na-eme ka mmiri sie ike na ngwa ngwa ciment na ngwa agha gypsum, ma nwee ike imeziwanye nrapanye na nkwụsi ike nke ngwa agha ahụ.
Ihe ndị dị ka okpomọkụ gas, okpomọkụ, na nrụgide gas na-emebi ọnụ ọgụgụ nke evaporation nke mmiri n'ime ngwa ciment na ngwaahịa gypsum. Ya mere, otu ngụkọta ego nke azụmahịa hydroxypropyl methylcellulose ether (HPMC) agbakwunyere iji nọgide na-enwe mmiri dị iche site n'oge ruo n'oge.
Mgbe ị na-awụsa ihe, mmetụta nke mkpọchi mmiri nwere ike gbanwee dị ka mmụba ma ọ bụ mbelata nke ọnụ ọgụgụ dị elu. Ọnụego mkpochi mmiri nke hydroxypropyl methylcellulose ether na oke okpomọkụ bụ isi ihe na-egosi uru iji mata ọdịiche dị na ether hydroxypropyl methylcellulose.
Ngwaahịa hydroxypropyl methylcellulose ether (HPMC) dị elu nwere ike dozie nsogbu nke ikpochi mmiri dị elu. N'oge okpomọkụ dị elu, karịsịa na mpaghara ọkụ na iru mmiri na ụlọ ọrụ chromatography, ọ dị mkpa iji hydroxypropyl methylcellulose ether (HPMC) dị elu dị elu iji meziwanye mmiri solubility nke slurry.
Ọnụ ọgụgụ nke elu-edu hydroxypropyl methylcellulose ether (HPMC) bụ nnọọ edo, na methoxy na hydroxypropyl otu na-kesara ọbụna na molekụla Ọdịdị yinye nke methyl cellulose, nke nwere ike welie ọgbọ nke oxygen molekul na hydroxyl na ether agbụ. Ikike nke covalent bonds na-arụ ọrụ.
Ọ nwere ike ịchịkwa evaporation nke mmiri nke ihu igwe na-ekpo ọkụ na-akpata ma nweta mmetụta n'ezie nke ikpochi mmiri dị elu. Hydroxypropyl Methylcellulose Ether (HPMC) dị elu ka a na-ahụ n'ime ngwa ngwa agwakọta na plasta nke ọrụ paris.
A na-ekpuchi ihe niile siri ike iji mepụta ihe nkiri mmiri. A na-ahapụ mmiri nkịtị jiri nwayọọ nwayọọ ruo ogologo oge ma na-enweta mmeghachi omume coagulation na ihe inorganic na ihe collagen iji hụ na njikọ njikọ ike na ike nkwụsị.
Ya mere, n'ebe a na-ewu ụlọ okpomọkụ dị elu n'oge okpomọkụ, iji nweta mmetụta dị n'ezie nke ịzọpụta mmiri, ndị mmadụ ga-agbakwunye ngwaahịa hydroxypropyl methylcellulose ether (HPMC) dị elu dị ka nchịkọta nzuzo siri dị, ma ọ bụghị ya, ha ga-abụ ụkọ mmiri n'ihi ụkọ mmiri. Ngwaahịa àgwà okwu ndị dị otú ahụ dị ka solidification, belata mkpakọ ike, cracks, ikuku bulges, wdg na-eme ka oké ihicha.
Nke a na-emekwa ka ihe isi ike nke ndị ọrụ na-ewu ụlọ. Ka ọnọdụ okpomọkụ na-ebelata, ọnụọgụ nke hydroxypropyl methylcellulose ether (HPMC) agbakwunyere ji nwayọọ nwayọọ na-ebelata iji nweta otu ọdịnaya mmiri.
Oge nzipu: Feb-06-2024