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Ethyl cellulose (Ethyl cellulose ether), nke a makwaara dị ka cellulose ether, nke a na-akpọ EC. Nhazi molekul na usoro nhazi: [C6H7O2(OC2H5)3] n. 1. Iji Ngwaahịa a nwere ọrụ nke njikọ, njupụta, imepụta ihe nkiri, wdg. A na-eji ya maka plastik sịntetik resin, mkpuchi, sub roba...GỤKWUO»
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(1) Ihe mgbochi teknụzụ Ndị ahịa cellulose ether dị n'okpuru ala nwere ihe achọrọ dị elu maka ịdị mma na nkwụsi ike nke cellulose ether. Teknụzụ njikwa mma bụ ihe mgbochi teknụzụ dị mkpa na ụlọ ọrụ cellulose ether. Ndị nrụpụta kwesịrị ịma arụmọrụ nhazi nke co...GỤKWUO»
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Kọwaa: Ihe mejupụtara nri nke gụnyere cellulose ethers. Ngalaba teknụzụ: Ihe mepụtara ugbu a metụtara ihe mejupụtara nri nke nwere cellulose ethers. Usoro ndabere: A maara ya kemgbe na ọ na-etinye cellulose ethers n'ime ihe mejupụtara nri, ọkachasị ihe mejupụtara nri a haziri ahazi, ...GỤKWUO»
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1. Ihe ndị dị mma (1) Nkwado amụma Dịka ihe ọhụrụ dabere na bio na ihe na-acha akwụkwọ ndụ akwụkwọ ndụ na nke na-adịghị emebi gburugburu ebe obibi, ojiji sara mbara nke cellulose ether n'ọhịa ụlọ ọrụ mmepụta ihe bụ usoro mmepe nke iwulite obodo na-echekwa gburugburu ebe obibi na n'ọdịnihu. Ihe a...GỤKWUO»
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Ihe mejupụtara ntụ ntụ Putty bụ ihe ndị na-emepụta fim (ihe ndị na-ejikọta ihe), ihe ndị na-ejupụta ihe, ihe ndị na-ejide mmiri, ihe ndị na-eme ka ihe sie ike, ihe na-eme ka ihe ghara ịdị ọcha, wdg. Ihe ndị a na-ejikarị eme ihe na ntụ ntụ putty gụnyere: cellulose, starch pregelatinized, starch ether, polyvinyl alcohol, latex a na-agbaze agbaze...GỤKWUO»
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1. Gịnị bụ isi ihe e ji hydroxypropyl methylcellulose (HPMC) eme? A na-ejikarị Hydroxypropyl methylcellulose eme ihe n'ihe owuwu, ihe mkpuchi, resin sịntetik, seramiiki, ọgwụ, nri, ákwà, ọrụ ugbo, ihe ịchọ mma, ụtaba na ụlọ ọrụ ndị ọzọ. Hydroxypropyl methylcellulose nwere ike ...GỤKWUO»
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Ngwaahịa a bụ 2-hydroxypropyl ether methyl cellulose, nke bụ ngwaahịa semi-synthetic. Enwere ike imepụta ya site na ụzọ abụọ: (1) Mgbe ejiri soda caustic gwọọ owu ma ọ bụ eriri pulp osisi, a na-agwakọta ha na chloromethane na epoxy Propane na-emeghachi omume, na-anụcha ma na-amịkọrọ iji nweta ya; (2) ...GỤKWUO»
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A na-ejikarị Hydroxypropyl methylcellulose eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche. Ọ bụ ezie na ọtụtụ mmadụ anaghị aghọta ya nke ọma, ọ na-emetụta ọtụtụ ụlọ ọrụ dị iche iche. N'usoro owuwu nke ụlọ ọrụ owuwu, a na-ejikarị ya eme ihe maka iwu mgbidi na ịchọ mma stucco, Caulking na ndị ọzọ...GỤKWUO»
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Ngwa agha Hydroxypropyl methylcellulose-masonry Mee ka nrapado dị n'elu ihe owuwu ahụ sie ike, ma nwee ike ime ka mmiri dịgide, ka e wee nwee ike ime ka ihe owuwu ahụ dị mma. Meziwanye mmanu na ike plastik iji melite arụmọrụ owuwu, dị mfe itinye, chekwaa oge, ma melite...GỤKWUO»
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Cellulose ether bụ polima molekul dị elu nke na-abụghị ionic, nke na-agbaze mmiri ma na-agbazekwa. O nwere mmetụta dị iche iche n'ụlọ ọrụ dị iche iche. Dịka ọmụmaatụ, n'ihe owuwu kemịkalụ, o nwere mmetụta ndị a: ① ihe na-ejide mmiri, ②Ọkpụkpụ, ③Ịkwa ọkwa ...GỤKWUO»
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Dịka ihe e ji arụ ọrụ nke ọma, cellulose ether nke ihe owuwu nwere ike ime ka ihe owuwu ahụ dịgide ma mee ka mmiri sie ike, ma melite ọrụ owuwu ya. A na-ejikarị ya eme ihe nke ọma ma na-eme ka ọ ka mma, gụnyere ihe e ji arụ ụlọ, ihe e ji ekpuchi okpomọkụ, na ihe ndị ọzọ...GỤKWUO»
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Cellulose ether nwere ezigbo njigide mmiri, nke nwere ike igbochi mmiri dị na ngwa agha mmiri ịpụ apụ tupu oge eruo ma ọ bụ itinye ya na oyi akwa isi, ma hụ na mmiri simenti ahụ zuru oke, si otú a na-eme ka ihe owuwu nke ngwa agha ahụ sie ike, nke kachasị mma...GỤKWUO»