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【Chiyambi】 Chemical Name :Hydroxypropylmethyl cellulose (HPMC) Molecular Formula :[C6H7O2(OH)3-mn(OCH3)m(OCH3CH(OH)CH3)n]x Kapangidwe Kapangidwe : Kumene :R=-H , -CH3 , kapena -CH2CHOHCH3;X = digiri ya polymerization . Chidule cha HPMC 【Makhalidwe】 1. Madzi osungunuka, cellulose omwe si a ionic c...Werengani zambiri»
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Cellulose ether ndi polima wopangidwa ndi cellulose wachilengedwe monga zopangira posintha mankhwala. Ma cellulose ether amachokera ku cellulose yachilengedwe, kupanga cellulose ether ndi polima yopanga ndi yosiyana, zinthu zake zofunika kwambiri ndi cellulose, mankhwala achilengedwe a polima. Chifukwa t...Werengani zambiri»
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Research ndi kusanthula zinthu panopa chitukuko cha Ma cellulose etere makampani China.Cellulose etha ku China anayamba mochedwa, mayiko otukuka kukhala msika oyambirira ndi okhwima, panopa, mayiko odziwika bwino mapadi etere kupanga mabizinezi zazikulu gl.. .Werengani zambiri»
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Kapangidwe ka mankhwala: mapadi a cellulose ether pawiri QualiCell™ Hydroxyethyl cellulose ether (HEC) ndi gulu la ma polima osungunuka m'madzi omwe si a ionic. Maonekedwe ake owoneka ndi ufa woyera woyenda. HEC ndi mtundu wa hydroxylalkyl cellulose ether opangidwa ndi momwe mapadi amachitira ndi ethylene oxide mu al ...Werengani zambiri»
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Njira yoyesera ya katundu ndi kukhuthala kwa redispersible polima ufa RDP, Padziko lonse lapansi amagwiritsidwa ntchito kwambiri kumwaza ufa wa polima RDP wokhala ndi vinyl acetate ndi ethylene copolymerized emulsion powder, ethylene ndi vinyl chloride ndi lauric acid vinyl ester ternary copolymer powder, vinyl acetate ndi...Werengani zambiri»
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Kampani ya Tiantai Cellulose imagwira ntchito pa kafukufuku, chitukuko, kupanga ndi kutsatsa malonda a hydroxypropyl methyl cellulose HPMC. Kuyera kwa HPMC hydroxypropyl methyl cellulose ndiye mutu wazinthu womwe umakhudzidwa kwambiri kwa opanga ndi ogwiritsa ntchito. Pano pali hydroxypropyl methyl cellu ...Werengani zambiri»
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HPMC imatchedwa hydroxypropyl methylcellulose. HPMC mankhwala amasankha kwambiri koyera thonje mapadi ngati zopangira ndipo amapangidwa ndi etherification wapadera pansi zinthu zamchere. Ntchito yonseyo imamalizidwa pansi pamikhalidwe ya GMP ndikuwunika basi, popanda zosakaniza zogwira ...Werengani zambiri»
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Hydroxypropyl methyl cellulose (HPMC) viscosity ya Skim coat? - Yankho: Chovala cha skim ndichabwino nthawi zambiri HPMC 100000cps, china chachitali chomwe chimafunikira mumatope, chimafuna 150000cps kugwiritsa ntchito. Komanso, HPMC ndi gawo lofunika kwambiri la kusunga madzi, kutsatiridwa ndi thickening. Mu Skim coat, monga ...Werengani zambiri»
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1. Kodi zizindikiro zazikulu za hydroxypropyl methyl cellulose (HPMC) ndi ziti? HPMC Hydroxypropyl zili ndi mamasukidwe akayendedwe, owerenga ambiri nkhawa zizindikiro ziwirizi. Kusungidwa kwamadzi nthawi zambiri kumakhala kwabwino kwa omwe ali ndi hydroxypropyl yambiri. Kukhuthala kwakukulu, kusunga madzi, kukonzanso ...Werengani zambiri»
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Ogwiritsa ntchito ambiri salabadira vuto la kutentha kwa gel osakaniza a hydroxypropyl methyl cellulose HPMC. Masiku ano, hydroxypropyl methyl cellulose HPMC nthawi zambiri imasiyanitsidwa ndi mamasukidwe akayendedwe, koma m'malo ena apadera ndi mafakitale apadera, kukhuthala kokha kwa mankhwalawa kumawonetsedwa. N...Werengani zambiri»
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Hydroxypropyl methyl cellulose HPMC ndi cellulose ether yosakhala ionic yopangidwa kuchokera ku cellulose yachilengedwe ya polima kudzera mumndandanda wamankhwala. Ndiwopanda fungo, wopanda pake komanso wopanda poizoni wa ufa woyera womwe umatuluka m'madzi ozizira kapena owoneka bwino. Ili ndi ...Werengani zambiri»
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Mumatope okonzeka okonzeka, kuchuluka kwa hydroxypropyl methyl cellulose HPMC ndi kochepa kwambiri, koma kungathe kupititsa patsogolo ntchito ya matope osungunuka, omwe ndi chowonjezera chachikulu chomwe chimakhudza ntchito yomanga matope. Ma cellulose ether okhala ndi kukhuthala kosiyanasiyana ndi ...Werengani zambiri»