N'ime ite, cellulose ether na-arụ ọrụ nke idobe mmiri, ime ka ọ sie ike, igbu oge mmiri simenti, na ime ka arụmọrụ owuwu dịkwuo mma. Ike idobe mmiri dị mma na-eme ka mmiri simenti zuo oke, nwere ike ime ka mmiri dị mmiri nke ite mmiri dịkwuo mma, mee ka ike njikọ nke ite mmiri dịkwuo elu, ma gbanwee oge. Ịtinye cellulose ether na ite mmiri igwe nwere ike ime ka arụmọrụ ịgbasa ma ọ bụ ịkụpụta ihe na ike nhazi nke ite mmiri dịkwuo mma. A na-eji cellulose eme ihe nke ukwuu dị ka ihe mgbakwunye dị mkpa na ite mmiri dị njikere. Dịka ọmụmaatụ, cellulose ether nwere ihe ndị dị mma dịka ịka njọ, idobe mmiri, na nkwụsị. Ya mere, a na-eji cellulose ether nke ihe owuwu eme ihe nke ukwuu iji melite mmepụta nke ite mmiri dị njikere (gụnyere ite mmiri na ite mmiri na ite mmiri), resin PVC, wdg, agba latex, putty, wdg, gụnyere arụmọrụ nke ngwaahịa ihe owuwu.
Cellulose nwere ike igbu oge usoro mmiri nke simenti. Cellulose ether na-enye turmi nwere ọtụtụ ihe bara uru, ma na-ebelata okpomọkụ mmiri nke simenti mbụ ma na-egbu oge usoro mmiri nke simenti. Nke a adịghị mma maka iji turmi na mpaghara oyi. Mmetụta mweghachi a na-akpata site na ntinye nke molekul cellulose ether na ngwaahịa mmiri dị ka CSH na ca(OH)2. N'ihi mmụba nke viscosity nke ngwọta pore, cellulose ether na-ebelata mmegharị nke ion na ngwọta ahụ, si otú a na-egbu oge usoro mmiri. Ka njupụta nke cellulose ether dị elu na ihe gel mineral, otú ahụ ka mmetụta nke igbu oge mmiri sikwuo ike. Cellulose ether anaghị egbu oge naanị ntọala, kamakwa ọ na-egbu oge usoro ike nke sistemụ simenti. Mmetụta mweghachi nke cellulose ether dabere ọ bụghị naanị na ntinye ya na sistemụ gel mineral, kamakwa na nhazi kemịkalụ. Ka ogo methylation nke HEMC dị elu, otú ahụ ka mmetụta mweghachi nke cellulose ether ka mma. Oke nke nnọchi hydrophilic na nnọchi na-abawanye mmiri Mmetụta mweghachi siri ike. Agbanyeghị, viscosity nke cellulose ether enweghị mmetụta dị ukwuu na kinetics hydration simenti.
Ka ọdịnaya nke hydroxypropyl methylcellulose ether na-abawanye, oge ntọala nke mortar ahụ mụbara nke ukwuu. E nwere ezigbo njikọ na-abụghị nke ahịrị n'etiti oge ntọala mbụ nke mortar na ọdịnaya nke cellulose ether, yana ezigbo njikọ ahịrị n'etiti oge ntọala ikpeazụ na ọdịnaya nke cellulose ether. Anyị nwere ike ijikwa oge ọrụ nke mortar ahụ site na ịgbanwe ọnụọgụ nke cellulose ether.
Oge ozi: Maachị-09-2023