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01. Ihe dị iche n'etiti hydroxypropyl methyl adịgboroja na hydroxypropyl methyl dị elu Ọdịdị: Ọ dị ọcha HPCM yiri ka ọ dị oke nhata, n'etiti 0.3 na 0.4 g/ml. Amylum na-ejikọ na starch ya mere HPCM bụ mmiri mmiri ma na-adịghị akpata nrụgide dịka ihe ndị na-eme ka ihe dị ọcha ghara ịdị. Ọnọdụ: starch jupụtara na starch, hpm ...GỤKWUO»
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Ọtụtụ ndị na-eji ya anaghị eleba anya na nsogbu nke okpomọkụ gel nke hydroxypropyl methylcellulose. Taa, a na-ahụkarị hydroxypropyl methylcellulose dịka viscosity si dị, mana maka ụfọdụ gburugburu pụrụ iche na ụlọ ọrụ pụrụ iche, naanị viscosity nke ngwaahịa ahụ ka a na-egosipụta...GỤKWUO»
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E nwere ọtụtụ ihe na-emetụta ojiji nke hydroxypropyl methylcellulose HPMC n'ihe eji arụ ụlọ, ọkachasị plasta gypsum, dịka ndị a: 1 Ndochi mmiri Hydroxypropyl methylcellulose maka owuwu na-egbochi oke mmịpụta mmiri site na substrate, na mgbe gyp...GỤKWUO»
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Otu ngwakọta nwere oke na imeziwanye arụmọrụ nke gypsum slurry. Ọ bụrụ na arụmọrụ nke gypsum mortar ga-enweta nsonaazụ dị mma ma mezuo ihe dị iche iche achọrọ maka ojiji, a chọrọ ka ngwakọta kemịkalụ, ngwakọta, ihe nzacha, na ihe dị iche iche jikọta ma kụọ...GỤKWUO»
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Hydroxypropyl methylcellulose – moto masonry Mee ka nrapado dị n'elu moto ahụ dịkwuo mma, ma mee ka mmiri dịgide, ka e wee nwee ike ime ka moto ahụ dịkwuo mma. Mmanya na plastik ka mma maka ime ka ojiji dịkwuo mma, ojiji dị mfe na-azọpụta oge ma melite...GỤKWUO»
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A na-eji cellulose hydroxypropyl methyl ether eme cellulose site na cellulose owu dị ọcha nke ukwuu site na etherification pụrụ iche n'okpuru ọnọdụ alkaline. mmetụta: 1. Ụlọ ọrụ owuwu: Dịka ihe na-ejide mmiri na ihe na-egbochi simenti, ọ nwere ike ime ka simenti ahụ bụrụ ihe a na-agbapụta. Na plasta, gypsum, putty powder ma ọ bụ...GỤKWUO»
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1. Okpomọkụ jel (mgwọta 0.2%) 50-90°C. 2. A na-agbaze n'ime mmiri na ọtụtụ polar c na oke kwesịrị ekwesị nke ethanol/mmiri, propanol/mmiri, dichloroethane, wdg., nke na-anaghị agbaze na ether, acetone, ethanol zuru oke, ma gbasaa ghọọ ihe doro anya ma ọ bụ ntakịrị turbid na mmiri oyi colloidal. Mmiri mmiri ...GỤKWUO»
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MC bụ methyl cellulose, nke e ji cellulose ether mee site n'iji alkali gwọọ owu a nụchara anụcha, jiri methane chloride mee ihe dị ka ihe na-eme ka ikuku dị ọcha, ma na-agafe usoro mmeghachi omume. N'ozuzu, ogo nnọchi bụ 1.6 ~ 2.0, ihe na-agbazekwa dịkwa iche na ogo dị iche iche o...GỤKWUO»
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Mmiri ọgwụ hydroxypropyl methylcellulose kwa ụbọchị bụ polima sịntetik nke e ji owu cellulose eke mee site na mgbanwe etherification. Cellulose ether bụ ihe sitere na cellulose eke. Mmepụta nke cellulose ether dị iche na polima sịntetik. Ihe kachasị mkpa ya bụ...GỤKWUO»
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Ịtinye hydroxypropyl methylcellulose iji mee ntụ ntụ putty, ọ dịghị mfe ibu oke ibu, ibu oke ibu ga-akpata nsogbu ịrụ ọrụ, yabụ kedu oke viscosity dị mkpa maka hydroxypropyl methylcellulose maka ntụ ntụ putty? Ka anyị nyochaa ya maka onye ọ bụla. Ọ kacha mma itinye hydroxypropyl methylc...GỤKWUO»
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N'ime simenti na slurry nke dabeere na gypsum, hydroxypropyl methylcellulose na-arụ ọrụ nke idobe mmiri na ime ka ọ sie ike, ọ nwekwara 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-emetụta volatili...GỤKWUO»
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1. Nsogbu ndị a na-ahụkarị na ntụ ntụ putty. Ịkpọ nkụ ngwa ngwa: Nke a bụ isi n'ihi oke ntụ ntụ calcium lime etinyere (oke ibu, enwere ike ibelata oke ntụ ntụ calcium lime ejiri mee ihe na usoro putty nke ọma) metụtara ọnụego njigide mmiri nke eriri ahụ, ọ na-ejikọkwa ya na dr...GỤKWUO»