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【Selelekela】 Lebitso la lik'hemik'hale :Hydroxypropylmethyl cellulose (HPMC) Molek'hule Foromo :[C6H7O2(OH)3-mn(OCH3)m(OCH3CH(OH)CH3)n]x Sebopeho sa Sebopeho : Moo :R=-H , -CH3 , kapa -CH2CHOHCH3;X=degree ea polymerization .Kgutsufatso: HPMC 【Litšobotsi】 1. Metsi-qhibilihang, non-ionic cellulose c...Bala haholoanyane»
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Cellulose ether ke polymer ea maiketsetso e entsoeng ka selulose ea tlhaho e le thepa e tala ka phetoho ea lik'hemik'hale.Cellulose ether e tsoa ho cellulose ea tlhaho, tlhahiso ea cellulose ether le polymer ea maiketsetso e fapane, thepa ea eona ea mantlha ke selulose, metsoako ea polima ea tlhaho.Ka lebaka la t...Bala haholoanyane»
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Lipatlisiso le tlhahlobo ea boemo ba hona joale ba nts'etsopele ea indasteri ea Cellulose ether Chaena. .Bala haholoanyane»
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Motsoako oa lik'hemik'hale: cellulose ether compound QualiCell™ Hydroxyethyl cellulose ether (HEC) ke sehlopha sa li-polymers tse qhibilihang ka metsing tse se nang ionic.Sebopeho sa eona se bonahalang ke phofo e tšoeu e phallang.HEC ke mofuta oa hydroxylalkyl cellulose ether e hlahisoang ke karabelo ea cellulose e nang le ethylene oxide ho ...Bala haholoanyane»
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Mokhoa oa liteko oa thepa le viscosity ea redispersible polymer powder RDP, Lefatšeng ka bophara e sebelisoa haholo ho qhala phofo ea polymer RDP ka vinyl acetate le ethylene copolymerized emulsion powder, 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 sebetsa ka ho khetheha lipatlisisong, nts'etsopele, tlhahiso le papatso ea lihlahisoa tsa hydroxypropyl methyl cellulose HPMC.Ho hloeka ha HPMC hydroxypropyl methyl cellulose ke sehlooho se amehang ka ho fetesisa sa sehlahisoa bakeng sa bahlahisi le basebelisi.Mona re na le hydroxypropyl methyl cellu ...Bala haholoanyane»
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HPMC e bitsoa hydroxypropyl methylcellulose.Sehlahisoa sa HPMC se khetha selulose ea k'hothone e hloekileng haholo e le thepa e tala 'me e entsoe ka etherification e khethehileng tlas'a maemo a alkaline.Ts'ebetso eohle e phetheloa tlas'a maemo a GMP le ho beha leihlo ka boiketsetso, ntle le lisebelisoa tse sebetsang tsa ...Bala haholoanyane»
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Hydroxypropyl methyl cellulose (HPMC) viscosity bakeng sa Skim coat ?- karabo: Skim coat e lokile hangata HPMC 100000cps, e telele ho feta e hlokahalang ka seretse, e batla bokhoni ba 150000cps ba ho e sebelisa.Ho feta moo, HPMC ke karolo ea bohlokoa ka ho fetisisa ea ho boloka metsi, e lateloa ke ho teteaneng.Ka seaparo sa Skim, joalo ka ...Bala haholoanyane»
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1. Ke matšoao afe a mantlha a tekheniki a hydroxypropyl methyl cellulose (HPMC)?HPMC Hydroxypropyl content le viscosity, basebelisi ba bangata ba amehile ka matšoao ana a mabeli.Ho boloka metsi ho molemo ho batho ba nang le hydroxypropyl e ngata.Viscosity e phahameng, ho boloka metsi, ...Bala haholoanyane»
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Basebelisi ba bangata ha ba ele hloko bothata ba mocheso oa gel ea hydroxypropyl methyl cellulose HPMC.Matsatsing ana, hydroxypropyl methyl cellulose HPMC ka kakaretso e khetholloa ka viscosity, empa bakeng sa libaka tse ling tse ikhethang le liindasteri tse ikhethang, ho bonts'oa viscosity ea sehlahisoa feela.N...Bala haholoanyane»
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Hydroxypropyl methyl cellulose HPMC ke non-ionic cellulose ether e entsoeng ka selulose ea tlhaho ea polymer ka letoto la ts'ebetso ea lik'hemik'hale.Ke phofo e tšoeu e se nang monko, e sa latsoeheng le e se nang chefo, e kokomohang hore e be motsoako oa colloidal o hlakileng kapa o fokolang hanyenyane metsing a batang.E na le ...Bala haholoanyane»
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Ka seretse se seng se lokiselitsoe, palo e ekelitsoeng 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-cellulose ethers tse nang le viscosity e fapaneng le ...Bala haholoanyane»