Cellulose ether bụ ihe mgbakwunye bụ isi na ngwa agha agwakọtara agwakọta. A na-ewebata ụdị na njirimara nhazi nke cellulose ether. A na-amụ mmetụta nke hypromellose ether HPMC na njirimara nke ngwa agha agwakọtara agwakọta n'usoro. Nsonaazụ ya na-egosi na HPMC nwere ike imeziwanye ihe onwunwe nke ngwa agha agwakọtara agwakọta, belata ọdịnaya mmiri, belata njupụta nke ngwakọta ngwa agha agwakọtara agwakọta, mee ka oge ntọala dịkwuo ogologo, ma belata ike flexural na compressive nke ngwa agha agwakọtara agwakọta. Ngwa agha agwakọtara agwakọta bụ otu n'ime ihe ndị a na-ejikarị eme ihe n'ụlọ ọrụ owuwu ụlọ. Site na mmepe nke sayensị ihe na ọchịchọ nke ịdị mma owuwu, ngwa agha agwakọtara agwakọta aghọọla ihe a ma ama dị ka simenti agwakọtara agwakọta, ejirila nwayọọ nwayọọ zụọ ya. Ma e jiri ya tụnyere ngwa agha agwakọtara agwakọta nke teknụzụ ọdịnala kwadebere, mmepụta ngwa agha agwakọtara agwakọta nwere ọtụtụ uru: 1, ịdị mma ngwaahịa dị elu; 2, arụmọrụ dị elu nke ngwaahịa; 3, obere mmetọ gburugburu ebe obibi, dị mma maka owuwu obodo, ugbu a, enwere Guangzhou, Shanghai, Beijing na obodo ndị ọzọ iji kwalite ngwa agha agwakọtara agwakọta, ewepụtala ma ọ bụ ga-ewepụta ọkọlọtọ ụlọ ọrụ metụtara ya, ụkpụrụ na ụkpụrụ mba n'oge na-adịghị anya. Nnukwu ihe dị iche n'etiti ngwa agha a gwakọtara agwakọta na ngwa agha ọdịnala bụ itinye ngwakọta kemịkalụ, nke cellulose ether bụ ngwakọta kemịkalụ a na-ejikarị eme ihe. A na-ejikarị cellulose ether eme ihe dị ka ihe na-ejide mmiri iji melite arụmọrụ nke ngwa agha a gwakọtara agwakọta. Ya mere, ọ bara uru ịhọrọ ma jiri cellulose ether nke ọma ma hụ na arụmọrụ nke ngwa agha simenti kwụsiri ike site n'ịghọta mmetụta nke ụdị na njirimara nhazi nke cellulose ether na arụmọrụ nke ngwa agha simenti.
1. Ụdị na nhazi nke cellulose ether cellulose ether bụ ụdị ihe polymer na-agbaze mmiri, e ji cellulose eke mee ya site na ngwọta alkali, mmeghachi omume grafting (etherification), ịsa, ihicha, egweri na usoro ndị ọzọ. A na-ekewa cellulose ethers n'ime ụdị ionic na nke na-abụghị ionic. Ionic cellulose nwere nnu carboxymethyl cellulose, ebe non-ionic cellulose nwere hydroxyethyl cellulose ethers, hydroxypropyl methyl cellulose ethers, Methyl cellulose ethers, wdg. Ebe ọ bụ na ionic cellulose ether (carboxymethyl cellulose) anaghị akwụsi ike ma e nwee calcium ion, a naghị eji ya eme ihe na ngwaahịa ntụ ntụ akọrọ nwere ihe simenti dịka simenti na lime mmiri mmiri, cellulose ethers eji na moto akọrọ bụ hydroxyethyl methyl cellulose ethers (HEMC) na hydroxypropyl methyl cellulose ethers (HPMC), òkè ahịa ha karịrị 90% 2. Mmetụta nke cellulose ether na ihe onwunwe nke moto simenti 1. Cellulose ether ihe eji eme ihe maka nnwale: nke Shandong Gomez Chemical Co., Ltd. mepụtara, viscosity: 75000; Simenti: simenti mejupụtara ọkwa 32.5; Ájá: ájá ọkara; Flu Ash: ọkwa II. Nsonaazụ ule 2 1. Mmetụta na-ebelata mmiri nke cellulose ether nọmba 2 bụ mmekọrịta dị n'etiti nguzosi ike nke moto na ọdịnaya nke cellulose ether n'otu nha ngwakọta, na-amụba nwayọ nwayọ. Mgbe etinyere 0.3‰, nguzozi nke ngwa agha ahụ na-abawanye ihe dị ka 50%, nke na-egosi na cellulose ether nwere ike ime ka ngwa agha ahụ rụọ ọrụ nke ọma, site na mmụba nke ọdịnaya nke cellulose ether, enwere ike ibelata ọnụọgụ mmiri ejiri nwayọọ nwayọọ. Enwere ike ịtụle na cellulose ether nwere mmetụta na-ebelata mmiri. 2. Ngwa agha mmiri nke na-ejide mmiri na-ezo aka n'ike nke ngwa agha iji jide mmiri, ọ bụkwa ihe ngosi arụmọrụ iji tụọ nkwụsi ike nke ngwa agha simenti ọhụrụ n'oge njem na ebe a na-adọba ụgbọala. Enwere ike iji ihe ngosi nke Delamination na idobe mmiri tụọ njigide mmiri nke ngwa agha agwakọtara agwakọtara, mana ọ naghị enwe mmetụta zuru oke iji gosipụta ọdịiche ahụ n'ihi ịgbakwunye ihe na-ejide mmiri. Nnwale idobe mmiri bụ ịgbakọ ọnụego idobe mmiri site na ịtụ mgbanwe mma nke akwụkwọ nzacha tupu na mgbe ọ metụrụ mpaghara ngwa agha akọwapụtara na oge ụfọdụ. N'ihi na akwụkwọ nzacha ahụ na-amịkọrọ mmiri nke ọma, ọ bụrụgodị na mmiri ahụ na-amịkọrọ mmiri nke ọma, akwụkwọ nzacha ahụ ka nwere ike ịmịkọrọ mmiri nke ngwa agha ahụ, yabụ na ọnụego mmiri ahụ na-amịkọrọ mmiri nwere ike igosipụta nke ọma mmiri nke ngwa agha ahụ, ka ọnụego mmiri ahụ na-amịkọrọ mmiri, otú ahụ ka mmiri ahụ na-amịkọrọ mmiri nke ọma.
Oge ozi: Ọktoba-30-2023