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Ngwakọta mmiri na-ejikọta mmiri na-ezo aka na ihe simenti, nchịkọta dị mma, ihe mgbakwunye, mmiri na ihe dị iche iche kpebisiri ike dabere na arụmọrụ. Dị ka akụkụ ụfọdụ si dị, mgbe a tụchara ya ma gwakọta ya na ebe a na-agwakọta, a na-ebuga ya na ebe a na-eji igwekota igwe. Chekwaa...GỤKWUO»
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Ụdị admixtures ndị a na-ejikarị na-ewu ngwa ngwa agwakọta akọrọ, njirimara arụmọrụ ha, usoro ihe omume, na mmetụta ha na arụmọrụ nke ngwa ngwa agwakọta akọrọ. Mmetụta nkwalite nke ndị na-ejigide mmiri dị ka cellulose ether na starch ether, redispersible ...GỤKWUO»
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Site na ọganihu na-aga n'ihu nke ụlọ ọrụ ahụ na ọganihu nke nkà na ụzụ, site na ntinye na nkwalite nke igwe na-agbapụta ngwa agha mba ọzọ, a na-emepụta ígwè ọrụ ịgbasa na plastering technology na mba m n'afọ ndị na-adịbeghị anya. Ngwa ngwa ịgbasa igwe bụ d...GỤKWUO»
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1. Kwa ụbọchị kemịkalụ ọkwa hydroxypropyl methylcellulose ụdị ngwa ngwa bụ ntụ ntụ ọcha ma ọ bụ dịtụ odo odo, ọ na-esikwaghị ísì, enweghị ụtọ na adịghị egbu egbu. Enwere ike igbari ya na mmiri oyi na ihe mgbaze agwakọta nke ihe ndị dị ndụ iji mepụta ngwọta viscous na-enweghị atụ. The aqueous ngwọta nwere elu a ...GỤKWUO»
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Hydroxyethyl cellulose (HEC) bụ ọcha ma ọ bụ na-acha odo odo, enweghị isi, fibrous na-adịghị egbu egbu ma ọ bụ uzuzu siri ike. A na-eme ya site na akwa akwa akwa ma ọ bụ pulp a nụchara anụcha nke etinyere na soda caustic mmiri 30%. Mgbe ọkara otu awa gachara, a na-ewepụ ya wee pịa ya. Fanye ruo mgbe oke nke mmiri alkaline ruru 1: 2.8, wee ...GỤKWUO»
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1. Gịnị bụ ọrụ nke redisspersible latex ntụ ntụ na ngwa agha? Azịza: The redispersible latex ntụ ntụ na-akpụzi mgbe mgbasa ma na-eme ihe dị ka nke abụọ nrapado iji welie nkekọ; A na-etinye colloid nchebe site na usoro ngwa agha (agaghị ekwu na a ga-ebibi ya ma ọ kpụzie ya.GỤKWUO»
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Ngwakọta mmiri na-agwakọta mmiri bụ ciment, nchịkọta dị mma, ihe mgbakwunye, mmiri na ihe dị iche iche kpebisiri ike dabere na arụmọrụ. Dị ka akụkụ ụfọdụ si dị, mgbe a tụchara ya ma gwakọta ya na ebe a na-agwakọta, a na-ebuga ya n'ebe a na-eji igwekota igwe, ma tinye ya na pụrụ iche The wet ...GỤKWUO»
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Admixtures na-ekere òkè dị mkpa n'ịkwalite arụmọrụ nke ụlọ akọrọ-agwakọta ngwa agha, ma mgbakwunye nke akọrọ-agwakọta ngwa agha na-eme ka ihe onwunwe na-eri nke akọrọ-agwakọta ngwa agha ngwaahịa budata elu karịa nke omenala ngwa agha, nke na-akpata ihe karịrị 40% nke. ihe na-eri na akọrọ-agwakọta ...GỤKWUO»
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A na-eme hydroxypropyl methylcellulose site na cellulose owu dị ọcha site na etherification pụrụ iche n'okpuru ọnọdụ alkaline, a na-emecha usoro ahụ n'okpuru nlekota akpaka. Ọ bụ ihe a na-adịghị ahụkebe na ether, acetone na ethanol zuru oke, wee zaa n'ime eriri ojii doro anya ma ọ bụ dị ntakịrị.GỤKWUO»
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Ọnụ ego nke hydroxypropyl methylcellulose ether na-edobe mmiri n'ime ngwa agha maka oge zuru ezu iji kwalite hydration nke ciment na-aga n'ihu ma mee ka mmachi dị n'etiti ngwa agha na mkpụrụ. Mmetụta nke nha nha na oge ngwakọta nke Hydroxypropyl Methyl Cellulose Ether ...GỤKWUO»
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Cellulose ether bụ ụdị ihe eji eme polymer ekepụtara, nke nwere njirimara emulsification na nkwusioru. N'ime ụdị dị iche iche, HPMC bụ nke kachasị elu na nke a na-ejikarị eme ihe, na mmepụta ya na-abawanye ngwa ngwa. N'afọ ndị na-adịbeghị anya, ekele maka uto nke ...GỤKWUO»
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Hydroxypropyl methylcellulose (HPMC) bụ ether cellulose na-abụghị ionic nke sitere na cellulose polymer eke sitere na usoro kemịkalụ. Ha bụ ntụ ntụ ọcha na-enweghị isi, nke na-enweghị ụtọ na nke na-adịghị egbu egbu nke na-adaba n'ime ngwọta colloidal doro anya ma ọ bụ ntakịrị urukpuru na mmiri oyi. Ọ nwere t...GỤKWUO»