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【Selelekela】 Lebitso la Khemikhale: Hydroxypropylmethyl cellulose (HPMC) Mokgwa wa Molek'hule: [C6H7O2(OH)3-mn(OCH3)m(OCH3CH(OH)CH3)n]x Mokgwa wa Sebopeho: Moo :R=-H , -CH3 , kapa -CH2CHOHCH3；X=tekanyo ya polymerization . Kgutsufatso: HPMC 【Dibopeho】 1. Selulose e qhibilihang ka metsing, e seng ya ionic c...Bala haholoanyane»
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Cellulose ether ke polymer ea maiketsetso e entsoeng ka cellulose ea tlhaho e le thepa e tala ka phetoho ea lik'hemik'hale. Cellulose ether ke sehlahisoa sa cellulose ea tlhaho, tlhahiso ea ether ea cellulose le polymer ea maiketsetso e fapane, thepa ea eona ea motheo ke cellulose, metsoako ea polymer ea tlhaho. Ka lebaka la ...Bala haholoanyane»
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Patlisiso le tlhahlobo ea boemo ba hajoale ba nts'etsopele ea indasteri ea ether ea Cellulose Chaena. Ether ea Cellulose Chaena e qalile morao, linaha tse tsoetseng pele li nts'etsapele 'maraka oa pele o se o holile, hajoale, likhoebo tsa machaba tse tsebahalang tsa tlhahiso ea ether ea cellulose ke tse kholo ...Bala haholoanyane»
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Sebopeho sa lik'hemik'hale: motsoako oa ether ea cellulose AnxinCel™ Hydroxyethyl cellulose ether (HEC) ke sehlopha sa li-polymer tse sa qhibiliheng metsing tse seng ionic. Sebopeho sa eona se bonahalang ke phofo e tšoeu e phallang. HEC ke mofuta oa ether ea hydroxylalkyl cellulose e hlahisoang ke karabelo ea cellulose le ethylene oxide ka har'a alka...Bala haholoanyane»
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Mokhoa oa teko bakeng sa thepa le ho hlaka ha phofo ea polymer e ka qhalanngoang hape ea RDP, Lefatšeng ka bophara e sebelisoa haholo ho hasanya phofo ea polymer RDP ka phofo ea vinyl acetate le ethylene copolymerized emulsion, ethylene le vinyl chloride le lauric acid vinyl ester ternary copolymer powder, vinyl acetate le...Bala haholoanyane»
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Khamphani ea Tiantai Cellulose e ikhethile ka ho khetheha lipatlisisong, nts'etsopele, tlhahiso le papatso ea thekiso ea lihlahisoa tsa hydroxypropyl methyl cellulose HPMC. Bohloeki ba HPMC hydroxypropyl methyl cellulose ke sehlooho sa sehlahisoa se amehang haholo bakeng sa bahlahisi le basebelisi. Mona re sebelisa hydroxypropyl methyl cellu...Bala haholoanyane»
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HPMC e bitsoa hydroxypropyl methylcellulose. Sehlahisoa sa HPMC se khetha cellulose ea k'hothone e hloekileng haholo e le thepa e tala 'me se etsoa ka etherification e khethehileng tlas'a maemo a alkaline. Ts'ebetso eohle e phethoa tlas'a maemo a GMP le tlhokomelo e iketsang, ntle le metsoako efe kapa efe e sebetsang e latelang...Bala haholoanyane»
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Ho ba le viscosity ea Hydroxypropyl methyl cellulose (HPMC) bakeng sa seaparo se se nang letlalo? – karabo: Seaparo se se nang letlalo se lokile hangata HPMC 100000cps, e telele ho feta tlhoko ea seretse, e batla bokhoni ba ho e sebelisa ba 150000cps. Ho feta moo, HPMC ke karolo ea bohlokoa ka ho fetisisa ea ho boloka metsi, e lateloang ke ho teteana. Seaparo se se nang letlalo, joalo ka...Bala haholoanyane»
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1. Lipontšo tse ka sehloohong tsa tekheniki tsa hydroxypropyl methyl cellulose (HPMC) ke life? HPMC Bokahare ba hydroxypropyl le viscosity, basebelisi ba bangata ba tšoenyehile ka lipontšo tsena tse peli. Ho boloka metsi ka kakaretso ho molemo bakeng sa ba nang le hydroxypropyl e ngata. Viscosity e phahameng, ho boloka metsi, ho...Bala haholoanyane»
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Basebelisi ba bangata ha ba ele hloko bothata ba mocheso oa gel oa hydroxypropyl methyl cellulose HPMC ka seoelo. Matsatsing ana, hydroxypropyl methyl cellulose HPMC ka kakaretso e khetholloa ka viscosity, empa bakeng sa libaka tse ling tse khethehileng le liindasteri tse khethehileng, ke viscosity feela ea sehlahisoa e bonahalang. N...Bala haholoanyane»
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Hydroxypropyl methyl cellulose HPMC ke ether ea cellulose e seng ea ionic e entsoeng ka cellulose ea tlhaho ea polymer ka letoto la ts'ebetso ea lik'hemik'hale. Ke phofo e tšoeu e se nang monko, e se nang tatso le e se nang chefo e kokomohang ho ba tharollo e hlakileng kapa e nang le matheba a manyane ka metsing a batang. E na le ...Bala haholoanyane»
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Ka har'a seretse se kopantsoeng hantle, palo e eketsehileng ea hydroxypropyl methyl cellulose HPMC e tlase haholo, empa e ka ntlafatsa haholo ts'ebetso ea seretse se metsi, e leng tlatsetso e kholo e amang ts'ebetso ea kaho ea seretse. Li-ether tsa cellulose tse nang le viscosity e fapaneng le...Bala haholoanyane»