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HPMC, ma ọ bụ hydroxypropyl methylcellulose, bụ polima dị iche iche nke sitere na cellulose, ihe sitere n'okike nke a na-ahụ na mgbidi sel nke osisi. Ihe ndị dabere na HPMC enwetawo nlebara anya dị ukwuu n'ọtụtụ ụlọ ọrụ dị iche iche n'ihi ihe pụrụ iche ha na ọtụtụ ojiji ha. Okwu Mmalite...GỤKWUO»
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1.Okwu Mmalite: N'ime usoro ọgwụ, ihe ndị na-ejikọ ihe na-arụ ọrụ dị oke mkpa n'ịhụ na e ji usoro onunu mee ihe nke ọma ma na-arụ ọrụ nke ọma. N'ime usoro ihe ndị dị iche iche dị, Hydroxypropyl Methylcellulose (HPMC) pụtara ìhè dị ka nhọrọ dị iche iche ma na-ejikarị eme ihe. 2. Njirimara nke Sistemụ Ihe Ndị Na-ejikọ Ihe na HPMC...GỤKWUO»
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Hydroxypropyl methylcellulose (HPMC) bụ polima a na-ejikarị eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche, gụnyere owuwu ụlọ, ọgwụ, nri, na ihe ịchọ mma. N'ihe owuwu ụlọ, HPMC na-arụ ọrụ dị mkpa dị ka ihe mgbakwunye na ihe ndị e ji simenti mee, ọkachasị n'ime ka njikọ dị mma. 1.Int...GỤKWUO»
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MC bụ methyl cellulose, nke a na-enweta site n'ịgwọ owu a nụchara anụcha na alkali, iji methyl chloride dị ka ihe na-eme ka ikuku dị ọcha, ma na-eme cellulose ether site na usoro mmeghachi omume. N'ozuzu, ogo nnọchi bụ 1.6~2.0, ihe na-agbazekwa dịkwa iche na ogo dị iche iche ...GỤKWUO»
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Onye nrụpụta HPMC hydroxypropyl methyl cellulose onye na-emepụta ihe na-ebupụ ihe na-ebupụ ihe na-ebupụ ihe. Kedu ihe bụ isi eji HPMC eme? Enwere ike kewaa HPMC n'ime: ọkwa owuwu, ọkwa nri na ọkwa ahụike site na ojiji. A na-ejikarị HPMC eme ihe n'ihe gbasara ihe owuwu, mkpuchi, resin sịntetik, seramiiki, ọgwụ, nri, tex...GỤKWUO»
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Cellulose ether bụ ngwakọta polima nwere nhazi ether nke e ji cellulose mee. Mgbaaka glucosyl ọ bụla dị na macromolecule cellulose nwere otu hydroxyl atọ, otu hydroxyl mbụ dị na atọm carbon nke isii, otu hydroxyl nke abụọ dị na atọm carbon nke abụọ na nke atọ, na hydrog...GỤKWUO»
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Cellulose ether ga-agbatị oge ntọala nke simenti ma ọ bụ net ngwa agha, na-egbu oge nhazi mmiri simenti, nke bara uru ime ka oge ọrụ nke ihe ntọala simenti ka mma, melite nguzozi na mbelata simenti mgbe mfu gasịrị, mana ọ nwekwara ike igbu oge ọganihu owuwu, ọkachasị...GỤKWUO»
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Maka itinye ngwa agha mmiri mmiri, hydroxypropyl methylcellulose nwere ezigbo ihe ndị na-eme ka ọkpụrụkpụ sie ike, nwere ike ime ka ikike njikọ dị n'etiti ngwa agha mmiri na oyi akwa isi dịkwuo elu, ọ nwekwara ike ime ka arụmọrụ mgbochi sag nke ngwa agha dịkwuo mma, yabụ a na-ejikarị ya eme ihe na plastering Mortar, mgbidi mpụga ...GỤKWUO»
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Mmetụta nke cellulose ether na-eme ka ọ sie ike dabere na: ogo nke polymerization nke cellulose ether, ntinye nke ngwọta, ọnụego shear, okpomọkụ na ọnọdụ ndị ọzọ. Njirimara gelling nke ngwọta ahụ pụrụ iche na alkyl cellulose na ihe ndị e mepụtara ya. Njirimara gelation bụ r...GỤKWUO»
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1. Okpomọkụ nke mmiri Dịka usoro mwepụta nke okpomọkụ nke mmiri ka oge na-aga si dị, a na-ekewa usoro mmiri nke simenti n'ime usoro ise, ya bụ, oge mmiri mbụ (0~15min), oge ntinye (15min~4h), oge ọsọ na ntọala (4h~8h), mbelata ...GỤKWUO»
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N'iji ihe eji arụ ụlọ, hydroxypropyl methylcellulose bụ ihe mgbakwunye ihe eji arụ ụlọ a na-ejikarị eme ihe, a na-ejikwa hydroxypropyl methylcellulose eme ihe n'ọtụtụ ebe n'ụlọ ọrụ ma nwee ụdị dị iche iche. Enwere ike kewaa Hydroxypropyl methylcellulose n'ime ụdị mmiri oyi na ụdị agbaze ọkụ, co...GỤKWUO»
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Na putty, simenti na slurry nke dabeere na gypsum, HPMC hydroxypropyl methylcellulose ether na-arụ ọrụ nke idobe mmiri na ime ka ọ sie ike, ma nwee ike ime ka nrapado na iguzogide sag nke slurry ahụ ka mma nke ọma. Ihe ndị dị ka okpomọkụ ikuku, okpomọkụ na ọsọ nrụgide ifufe ga-eme ka...GỤKWUO»