The mmiri njide siHydroxypropyl Methyl Cellulosebụ otu n'ime ihe ndị dị mkpa nke Hydroxypropyl Methyl Cellulose. Ihe ndị dị ka okpomọkụ ikuku, okpomọkụ na ọsọ ọsọ ikuku ga-emetụta ọnụ ọgụgụ mmiri na-agbanwe agbanwe na ciment mortar na ngwaahịa gypsum. Ya mere, n'oge dị iche iche, e nwere ụfọdụ ọdịiche na mmetụta njide mmiri nke ngwaahịa na otu ego nke Hydroxypropyl Methyl Cellulose gbakwunyere.
N'ozuzu, ka viscosity nke Hydroxypropyl Methyl Cellulose dị elu, otú ahụ ka mmetụta njide mmiri ga-adị mma, ma mmetụta nke viscosity na njide mmiri ga-ebelata mgbe viscosity karịrị 100,000 mpa.s. Maka Hydroxypropyl Methyl Cellulose nke nwere viscosity karịrị 100,000, ọ dị mkpa ịbawanye ego Hydroxypropyl Methyl Cellulose iji mee ka ọnụ ọgụgụ njide mmiri dịkwuo ukwuu.
N'ime ihe owuwu a kapịrị ọnụ, enwere ike gbanwee mmetụta njide mmiri nke slurry site na ịbawanye ma ọ bụ ibelata ọnụọgụ Hydroxypropyl Methyl Cellulose. Ngwaahịa usoro Hydroxypropyl Methyl Cellulose nwere ike dozie nsogbu nke njigide mmiri n'okpuru oke okpomọkụ. N'oge okpomọkụ dị elu, karịsịa n'ebe ndị na-ekpo ọkụ ma na-ekpo ọkụ na ebe dị nro na-ewu n'akụkụ anwụ na-acha, a chọrọ hydroxypropyl methylcellulose dị elu iji meziwanye njide mmiri nke slurry.
Hydroxypropyl Methyl Cellulose dị elu nwere ezigbo otu. A na-ekesa otu Methoxy na Hydroxypropoxy ya n'otu n'otu n'otu agbụ mkpụrụ ndụ cellulose. Ọ nwere ike melite atom oxygen na hydroxyl na ether bond. Ikike nke mkpakọrịta mmiri na-emepụta njikọ hydrogen na-atụgharị mmiri efu ka ọ bụrụ mmiri a kpara akpa, si otú ahụ na-achịkwa evaporation nke mmiri nke ọma site na ihu igwe dị elu na-eme ka mmiri dị elu.
Ịdị mma Dị eluHydroxypropyl Methyl Cellulosenwere ike gbasasịa nke ọma na ngwa ngwa ciment na ngwaahịa gypsum, kechie ihe niile siri ike, wee mepụta ihe nkiri na-ekpo ọkụ, na mmiri dị na ntọala ahụ ga-eji nwayọọ nwayọọ hapụ ogologo oge. Mmeghachi omume hydration na-eme site na ihe gelling inorganic, si otú a hụ na ike nkekọ na ike mkpakọ nke ihe ahụ. Ya mere, n'oge okpomọkụ okpomọkụ na-ewu ụlọ, iji nweta mmetụta njigide mmiri, ọ dị mkpa ịgbakwunye ngwaahịa Hydroxypropyl Methyl Cellulose dị elu nke ọma dị ka usoro ahụ si dị, ma ọ bụghị ya, hydration na-ezughị ezu, ike na-ebelata, na mgbawa ga-eme n'ihi oke ihicha. Nsogbu dị mma dị ka igwu mmiri, olulu na ịdaba na-abawanyekwa ihe isi ike nke ihe owuwu maka ndị ọrụ. Ka okpomọkụ na-adaba, a pụrụ iji nwayọọ nwayọọ belata ọnụ ọgụgụ nke Hydroxypropyl Methyl Cellulose, ma nwee ike nweta otu mmetụta nke njide mmiri.
Oge nzipu: Eprel-25-2024