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【Intshayelelo】 Igama leMichiza :Hydroxypropylmethyl cellulose (HPMC) iFomula yeMolekyuli :[C6H7O2(OH)3-mn(OCH3)m(OCH3CH(OH)CH3)n]x Ifomula yoLwakhiwo : Phi :R=-H , -CH3 , okanye -CH2CHOHCH3;X=iqondo lepolymerization . Ushunqulelo: HPMC 【Iimpawu】 1. Iselulosi enyibilikayo emanzini, engeyo-ionic c...Funda ngokugqithisileyo»
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I-Cellulose ether yipolymer yokwenziwa eyenziwe ngeselulosi yendalo njengemathiriyeli ekrwada ngokuguqulwa kweekhemikhali. I-ether ye-cellulose iphuma kwi-cellulose yendalo, imveliso ye-cellulose ether kunye ne-polymer yokwenziwa yahlukile, eyona nto isisiseko se-cellulose, i-polymer compounds yendalo. Ngenxa ye...Funda ngokugqithisileyo»
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Uphando kunye nohlalutyo lwemeko yangoku yophuhliso loshishino lweCellulose etere eChina.Cellulose etere eChina yaqala kade, amazwe aphuhlileyo aphuhlisa imarike kwangethuba ngokwentelekiso evuthiweyo, ngoku, imveliso ye-cellulose ether eyaziwayo yamashishini aphambili gl.. .Funda ngokugqithisileyo»
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Ukwakhiwa kwemichiza: i-cellulose ether ikhompawundi I-QualiCell™ I-Hydroxyethyl cellulose ether (HEC) luhlobo lweepolima ezingeyo-ionic ezinyibilikayo emanzini. Ubume bayo obubonakalayo bungumgubo omhlophe oqukuqelayo. I-HEC luhlobo lwe-hydroxylalkyl cellulose ether eveliswa kukusabela kweselulosi nge-ethylene oxide kwi-al...Funda ngokugqithisileyo»
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Indlela yokuvavanya iipropathi kunye ne-viscosity ye-polymer powder RDP, kwihlabathi jikelele isetyenziswa ngokubanzi ukusasaza i-polymer powder RDP ene-vinyl acetate kunye ne-ethylene copolymerized emulsion powder, i-ethylene kunye ne-vinyl chloride kunye ne-lauric acid vinyl ester ternary copolymer powder, i-vinyl acetate kunye...Funda ngokugqithisileyo»
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Inkampani ye-Tiantai Cellulose igxile kuphando, uphuhliso, ukuveliswa kunye nokukhuthazwa kweentengiso ze-hydroxypropyl methyl cellulose iimveliso ze-HPMC. Ukucoceka kwe-HPMC hydroxypropyl methyl cellulose sesona sihloko sichaphazelekayo semveliso kubavelisi kunye nabasebenzisi. Apha sifumana i-hydroxypropyl methyl cellu...Funda ngokugqithisileyo»
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I-HPMC ibizwa ngokuba yi-hydroxypropyl methylcellulose. Imveliso ye-HPMC ikhetha i-cellulose yomqhaphu esulungekileyo njengesixhobo ekrwada kwaye yenziwe nge-etherification ekhethekileyo phantsi kweemeko zealkali. Yonke le nkqubo igqityiwe phantsi kweemeko ze-GMP kunye nokubeka iliso ngokuzenzekelayo, ngaphandle kwezithako ezisebenzayo suc ...Funda ngokugqithisileyo»
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IHydroxypropyl methyl cellulose (HPMC) viscosity yeSkim coat ? – impendulo: Idyasi ye-Skim ilungile ngokuqhelekileyo i-HPMC 100000cps, enye ide yemfuneko kudaka, ifuna ukukwazi ukusebenzisa i-150000cps. Ngaphezu koko, i-HPMC yeyona ndima ibalulekileyo yokugcina amanzi, ilandelwa kukujiya. Kwidyasi yeSkim, njengoko...Funda ngokugqithisileyo»
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1. Zeziphi iimpawu eziphambili zobugcisa ze-hydroxypropyl methyl cellulose (HPMC)? Umxholo we-HPMC Hydroxypropyl kunye ne-viscosity, abasebenzisi abaninzi banenkxalabo malunga nezi zalathisi zibini. Ugcino lwamanzi lungcono kakhulu kwabo banomxholo ophezulu we-hydroxypropyl. I-viscosity ephezulu, ukugcinwa kwamanzi, kwakhona ...Funda ngokugqithisileyo»
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Abasebenzisi abaninzi abafane bathathele ingqalelo ingxaki yobushushu bejeli ye-hydroxypropyl methyl cellulose ye-HPMC. Kule mihla, i-hydroxypropyl methyl cellulose HPMC ngokubanzi yahlulwa yi-viscosity, kodwa kwezinye iindawo ezikhethekileyo kunye namashishini akhethekileyo, kuphela i-viscosity yemveliso ibonakala. N...Funda ngokugqithisileyo»
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I-Hydroxypropyl methyl cellulose HPMC yi-ether ye-cellulose engeyiyo i-ionic eyenziwe kwi-cellulose yendalo ye-polymer yendalo ngoluhlu lwe-chemical processing. Ziyimpuphu emhlophe engenavumba, engenancasa kwaye ayinayo ityhefu edumba ibe sisisombululo esicacileyo okanye esine-turbid colloidal kumanzi abandayo. Ibe ...Funda ngokugqithisileyo»
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Kwi-mortar edibeneyo edibeneyo, inani elongezelelweyo le-hydroxypropyl methyl cellulose HPMC liphantsi kakhulu, kodwa linokuphucula kakhulu ukusebenza kodaka olumanzi, olulongezo olukhulu oluchaphazela ukwakhiwa kodaka. I-cellulose ethers ene-viscosity eyahlukileyo kunye...Funda ngokugqithisileyo»