HPMC na HEMC nwere ọrụ yiri nke ahụ n'ihe owuwu ụlọ. Enwere ike iji ya mee ihe dị ka onye na-ekesa, onye na-ejide mmiri, onye na-eme ka ọ dị arọ na ihe nkedo, wdg. A na-ejikarị ya na ngwa ngwa ciment na ịkpụzi ngwaahịa gypsum. Ọ na-eji ciment ngwa agha dịkwuo ya adhesion, workability, belata flocculation, melite viscosity na shrinkage, nakwa dị ka idowe mmiri, belata mmiri ọnwụ n'elu ihe elu, melite ike, gbochie cracks na weathering nke mmiri-soluble salts, wdg A na-ejikarị ciment dabeere plaster, gypsum plaster, gypsum mpempe akwụkwọ caries ngwaahịa, masonking casserole, mason. nrapado, onwe-leveling n'ala ihe, wdg Ọ nwere ike na-eji dị ka film-akpụ gị n'ụlọnga, thickener, emulsifier na stabilizer na emulsion coatings na mmiri-soluble resin coatings, na-enye ihe nkiri ọma abrasion eguzogide, uniformity na adhesion, na mma elu esemokwu, kwụsie ike na acids na bases na ndakọrịta na metal pigments. N'ihi nkwụsi ike nchekwa viscosity ya dị mma, ọ dabara adaba dị ka onye na-ekesa na mkpuchi emulsified. N'okwu, ọ bụ ezie na ego dị na usoro ahụ dị ntakịrị, ọ bara uru nke ukwuu ma jiri ya mee ihe.
Igwe ọkụ gel nke cellulose ether na-ekpebi nkwụsi ike ya na ngwa. okpomọkụ gel nke HPMC na-emekarị site na 60 ° C ruo 75 ° C, dabere na ụdị, ọdịnaya nke otu, usoro mmepụta dị iche iche nke ndị na-emepụta ihe dị iche iche, wdg N'ihi njirimara nke HEMC otu, ọ nwere oke gel okpomọkụ, na-emekarị karịa 80 ° C. Ya mere, nkwụsi ike ya n'okpuru ọnọdụ okpomọkụ dị elu karịa nke HPMC. Na omume, n'okpuru ebe a na-ewu ụlọ na-ekpo ọkụ nke ukwuu n'oge okpomọkụ, njigide mmiri nke HEMC na mmiri ngwakọta mmiri na otu viscosity na dosing nwere uru dị ukwuu karịa HPMC.
The mainstream cellulose ether na China na-ewu ụlọ ọrụ ka bụ tumadi HPMC, n'ihi na ọ nwere ihe ndị ọzọ ụdị na ala ọnụ ahịa, na nwere ike họrọ n'efu na a keukwu efu. Site na mmepe nke ụlọ ahịa ihe owuwu ụlọ, karịsịa mmụba nke ihe owuwu mechanized na imeziwanye ihe owuwu ihe a chọrọ, oriri nke HPMC n'ọhịa ihe owuwu ga-anọgide na-abawanye.
Oge nzipu: Mee-20-2022