1. Kedu ihe bụ isi ihe na-egosi teknụzụ nke hydroxypropyl methyl cellulose (HPMC)?
Ọdịnaya na viscosity nke HPMC Hydroxypropyl dị na ya, ọtụtụ ndị na-eji ya na-echegbu onwe ha maka ihe ngosi abụọ a. Njide mmiri na-aka mma maka ndị nwere nnukwu hydroxypropyl. Ọdịnaya dị elu, njigide mmiri, n'ụzọ dịtụ (kama ịbụ nke zuru oke), na viscosity dị elu, nke a na-ejikarị eme ihe na simenti.
2. Gịnị bụ isi ọrụ nke itinye HPMC n'ime mgbidi putty?
N'ime putty mgbidi, HPMC nwere ọrụ atọ: ịka nká, idobe mmiri na owuwu.
Ịkpụ akpụ: Enwere ike ime ka cellulose sie ike iji kwụchie ma mee ka mmiri ahụ dị otu, nakwa iji gbochie ịda ada. Mmiri na-ejide: mee ka putty mgbidi kpọọ nkụ nwayọ nwayọ, ma nyere calcium isi awọ aka imeghachi omume n'okpuru mmiri. Ihe owuwu: Cellulose nwere mmetụta mmanụ, nke nwere ike ime ka putty mgbidi ahụ nwee ike ịrụ ọrụ nke ọma.
3. Mbelata nke putty mgbidi ọ metụtara HPMC?
Mbelata nke putty mgbidi na-adaberekarị n'ịdị mma nke calcium ntụ, mana ọ bụghị na HPMC. Ọ bụrụ na ọdịnaya calcium nke calcium ntụ na oke nke CaO na Ca(OH)2 na calcium ntụ adịghị mma, ọ ga-akpata mfu ntụ. Ọ bụrụ na ọ nwere ihe jikọrọ ya na HPMC, mgbe ahụ nchekwa mmiri HPMC na-adịghị mma ga-akpatakwa mfu ntụ ntụ.
4. Ego ole ka hydroxypropyl methyl cellulose (HPMC) dị na mgbidi putty?
Ọnụọgụ HPMC eji eme ihe n'ezie dịgasị iche dabere na ihu igwe, okpomọkụ, ịdị mma nke calcium ntụ mpaghara, usoro nke putty mgbidi, na "ịdị mma nke ndị ahịa chọrọ". N'ozuzu, n'etiti kilogram 4 na kilogram 5. Dịka ọmụmaatụ: Putty mgbidi Beijing na-abụkarị kilogram 5; Guizhou na-abụkarị kilogram 5 n'oge ọkọchị na kilogram 4.5 n'oge oyi; Yunnan dị obere, na-abụkarị kilogram 3 ruo kilogram 4 na ndị ọzọ.
5. Kedu ka hydroxypropyl methyl cellulose (HPMC) si dị mma?
Ngwugwu mgbidi na-abụkarị 100,000, mana ngwugwu ahụ na-achọ ihe karịrị akarị, ọ na-ewekwa 150,000 iji rụọ ọrụ. Ọzọkwa, ọrụ kachasị mkpa nke HPMC bụ idobe mmiri, wee soro ya mee ka ọ dị arọ. Na ngwugwu mgbidi, ọ bụrụhaala na idobe mmiri dị mma, ngwugwu ahụ dị ala (70-80,000), o nwekwara ike, n'ezie, ngwugwu ahụ dị elu, ngwugwu mmiri dịkwa mma. Mgbe ngwugwu ahụ karịrị 100,000, ngwugwu ahụ enweghị mmetụta ọ bụla na idobe mmiri.
6. Kedu otu esi ahọrọ hydroxypropyl methylcellulose (HPMC) kwesịrị ekwesị maka ebumnuche dị iche iche?
Ngwa nke putty mgbidi: ihe achọrọ dị ala, viscosity bụ 100,000, o zuru ezu, ihe dị mkpa bụ idobe mmiri ka ọ ka mma. Ngwa nke moto: ihe achọrọ dị elu, viscosity dị elu, ka mma karịa 150,000, itinye gluu: ngwaahịa na-agbaze ngwa ngwa, viscosity dị elu.
7. Iji HPMC mee ihe na mgbidi putty, gịnị na-eme ka mgbidi putty mepụta afụ?
HPMC na-arụ ọrụ atọ na putty mgbidi: ịka mma, idobe mmiri na owuwu ya. Esola na mmeghachi omume ọ bụla. Ihe kpatara afụfụ:
(1) A na-etinye oke mmiri.
(2) Ala ala ahụ akpọghị nkụ, a kpụchakwara ihe ọzọ n'elu ya, nke dịkwa mfe ịfụ ụfụfụ.
Oge ozi: Jenụwarị-07-2022