1. Njikwa viscosity
Nnukwu viscosityhydroxypropyl methylcelluloseenweghị ike imepụta cellulose dị oke elu naanị site na ikpochapu na dochie ya na nitrogen. Otú ọ dị, ọ bụrụ na enwere ike ịwụnye ihe na-egosi oxygen na ketulu, a pụrụ ịchịkwa mmepụta nke viscosity n'ụzọ artificial.
2. Iji ndị na-akpakọrịta
Tụkwasị na nke ahụ, na-atụle ngbanwe ọsọ nke nitrogen, na n'otu oge ahụ, ikuku ikuku nke usoro ahụ dị ezigbo mma, ọ dịkwa mfe ịmepụta ngwaahịa viscosity dị elu. N'ezie ogo nke polymerization nke owu a nụchara anụcha dịkwa oke mkpa. Ọ bụrụ na ọ ka na-adịghị arụ ọrụ, a na-eji usoro njikọ hydrophobic eme ihe, na ụdị ụdị onye na-emekọ ihe na-ahọrọ nwere mmetụta dị ukwuu na arụmọrụ nke ngwaahịa ikpeazụ.
3. Hydroxypropyl ọdịnaya
Oxygen dị n'ime kettle mmeghachi omume na-eme ka cellulose daa ala yana ịdị arọ molekụla na-ebelata, mana ikuku oxygen fọdụrụnụ nwere oke. Ọ bụrụhaala na ụmụ irighiri ihe ndị gbajiri agbaji na-ejikọtaghachi, ọ naghị esiri ike ime nnukwu viscosity. Otú ọ dị, mmiri saturation ọnụego nwekwara njikọ chiri anya ọdịnaya nke hydroxypropyl, ụfọdụ ụlọ ọrụ na-achọ naanị ibelata ego na price, na-adịghị njikere iwelie ọdịnaya nke hydroxypropyl, otú àgwà enweghị ike iru larịị nke yiri ngwaahịa.
4. Ihe ndị ọzọ
Ọnụ ọgụgụ njide mmiri nke ngwaahịa ahụ nwere mmekọrịta dị ukwuu na hydroxypropyl, ma maka usoro mmeghachi omume dum, ọ na-ekpebikwa njigide mmiri ya, mmetụta nke alkalization, oke nke methyl chloride na propylene oxide, ntinye nke alkali na mmiri. Ogo ya na owu a nụchara anụcha na-ekpebi arụmọrụ nke ngwaahịa ahụ.
Oge nzipu: Eprel-25-2024