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1. Ọdịnaya isiokwu na oke ojiji Usoro a na-akọwapụta ngwa na usoro ọrụ maka ikpebi mmiri simenti. Usoro a dabara adaba maka mkpebi nke mmiri simenti nke ntụ ugwu mgbawa Portland, simenti Portland mejupụtara, Portland nkịtị c...GỤKWUO»
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Sodium carboxymethyl cellulose (CMC) bụ ihe sitere na carboxymethylated nke cellulose, nke a makwaara dị ka cellulose gum, ọ bụkwa gum ionic cellulose kachasị mkpa. CMC na-abụkarị ihe mejupụtara anionic polymer nke a na-enweta site na mmeghachi omume cellulose eke na caustic alkali na monochloroacetic acid. Mol...GỤKWUO»
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▲ Hydroxypropyl methyl cellulose (HPMC) bụ ntụ ọcha na-enweghị isi, enweghị uto, na-adịghị egbu egbu. Mgbe ọ gbazere kpamkpam na mmiri, hydroxypropyl methyl cellulose ga-emepụta colloid viscous doro anya. ▲ Isi ihe dị na hydroxypropyl methyl cellulose (HPMC): owu a nụchara anụcha, methyl chloride, p...GỤKWUO»
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Ọdịnaya ntụ bụ ihe dị mkpa na-egosi hydroxypropyl methylcellulose. Ọtụtụ ndị ahịa na-ajụkarị mgbe ha ghọtara hydroxypropyl methylcellulose: kedu uru ntụ ahụ? Hydroxypropyl methylcellulose nwere obere ntụ pụtara ịdị ọcha dị elu; cellulose nwere nnukwu ntụ pụtara na...GỤKWUO»
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Uru pH izugbe nke ngwaahịa gypsum bụ acidic ma ọ bụ na-anọpụ iche. Ugbu a, e nwere ụdị abụọ nke hydroxypropyl methylcellulose ọkwa owuwu n'ahịa: cellulose na-agbaze nwayọ nwayọ na cellulose ozugbo (S). Cellulose ozugbo adabaghị maka sistemụ gypsum. Ngwaahịa, ọ naghị agbaze nke ọma...GỤKWUO»
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Nchekwa mmiri sitere na Hydroxypropyl Methyl Cellulose bụ otu n'ime ihe ndị dị mkpa nke Hydroxypropyl Methyl Cellulose. Ihe ndị dị ka okpomọkụ ikuku, okpomọkụ na ọsọ nrụgide ifufe ga-emetụta ọnụego mgbanwe mmiri na simenti na ngwaahịa gypsum. Ya mere, na...GỤKWUO»
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Taa, anyị ga-elekwasị anya n'otú esi etinye ụdị ihe mkpuchi siri ike ụfọdụ. Ụdị ihe mkpuchi siri ike ndị a na-ejikarị eme ihe bụ isi ihe na-adịghị mma, cellulose, acrylic, na polyurethane. Ihe ndị na-adịghị mma bụ bentonite, silicon a na-agbaze agbaze, wdg, nke a na-etinyekarị na slurry maka igwe egweri, n'ihi na ...GỤKWUO»
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Banyere Cellulose Cellulose bụ polysaccharide macromolecular nke nwere glucose. Ọ dị n'ọtụtụ buru ibu na osisi ndụ akwụkwọ ndụ na ihe ndị dị ndụ n'ime mmiri. Ọ bụ ihe polymer eke kachasị kesaa ma buru ibu n'okike. O nwere ezigbo biocompatibility, mmeghari ohuru na ihe ndị na-emebi emebi na ihe ndị ọzọ...GỤKWUO»
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A na-eme cellulose ether site na cellulose site na mmeghachi omume etherification nke otu ma ọ bụ ọtụtụ ihe na-eme ka etherification na igwe nkụ. Dịka usoro kemịkalụ dị iche iche nke ihe ndị na-eme ka ether dị, enwere ike kewaa cellulose ethers ka ọ bụrụ anionic, cationic na nonionic ethers. Ionic cellulose et...GỤKWUO»
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Dịka akụkọ kachasị ọhụrụ sitere n'aka IHS Markit si kwuo, oriri zuru ụwa ọnụ nke cellulose ether—polima mmiri na-agbaze site na mgbanwe kemịkalụ nke cellulose—dị ihe dị ka tọn nde 1.1 na 2018. N'ime mkpokọta mmepụta cellulose ether zuru ụwa ọnụ na 2018, 43% sitere na Eshia (China mere 79...GỤKWUO»
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(1) Nkọwa nke ahịa ether cellulose cellulose zuru ụwa ọnụ: Site n'echiche nke nkesa ikike mmepụta zuru ụwa ọnụ, 43% nke mkpokọta mmepụta ether cellulose zuru ụwa ọnụ na 2018 sitere na Eshia (China mere 79% nke mmepụta Eshia), Western Europe mere 36%, na North America...GỤKWUO»
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1) Isi ihe e ji eme cellulose ọkwa nri ether Cellulose ether bụ ihe mgbakwunye nchekwa nri a ma ama, nke enwere ike iji dị ka ihe na-eme ka nri sie ike, ihe na-eme ka ọ sie ike na ihe na-eme ka ọ dị arọ, iji chekwaa mmiri, melite uto, wdg. A na-ejikarị ya eme ihe n'ọtụtụ mba mepere emepe, ọkachasị maka nri a na-eme achịcha, eriri ...GỤKWUO»