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Kwi-putty powder, idlala iindima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa. Ukutyebisa: Iselulosi inokujiya ukuze inqunyanyiswe kwaye igcine iyunifomu yesisombululo inyuka naphantsi, kwaye imelane nokudodobala. Ugcino lwamanzi: Yomisa umgubo weputty kancinane ukunceda uthuthu lwekhalsiyam ukuba isabele phantsi kwe...Funda ngokugqithisileyo»
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I-Soluble emanzini kunye nezinye i-solvents eziphilayo zinokunyibilika emanzini abandayo, ukugxininiswa kwayo okuphezulu kugqitywa kuphela yi-viscosity, utshintsho lwe-solubility kunye ne-viscosity, i-viscosity ephantsi, i-solubility enkulu. Ukumelana netyuwa: IHydroxypropyl methylcellulose yokwakha...Funda ngokugqithisileyo»
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01. Umahluko phakathi kwe-fake hydroxypropyl methyl kunye nomgangatho ophezulu we-hydroxypropyl methyl Ukubonakala: Isitashi esicocekileyo i-HPCM ibonakala i-homogeneous kakhulu, phakathi kwe-0.3 kunye ne-0.4 g / ml. I-Amylum ibophelela kwistatshi ukuze i-HPCM ibelulwelo kwaye ibe noxinzelelo oluncinci kunezikhuseli eziqhelekileyo. Iimeko: isitashi esigcwele istatshi, hpm ...Funda ngokugqithisileyo»
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Abasebenzisi abaninzi abafane bathathele ingqalelo ingxaki yobushushu bejeli ye-hydroxypropyl methylcellulose. Kule mihla, i-hydroxypropyl methylcellulose ngokubanzi yahlulwa ngokwe-viscosity, kodwa kwezinye iindawo ezikhethekileyo kunye namashishini akhethekileyo, kuphela i-viscosity yemveliso ibonakala ...Funda ngokugqithisileyo»
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Kukho izinto ezininzi ezichaphazela ukusetyenziswa kwe-hydroxypropyl methylcellulose HPMC kwizinto zokwakha, ngakumbi i-gypsum-based plaster, ngolu hlobo lulandelayo: Ukugcinwa kwamanzi oku-1 I-Hydroxypropyl methylcellulose yokwakha ikhusela ukuxutywa kwamanzi ngokugqithiseleyo yi-substrate, kwaye xa i-gyp...Funda ngokugqithisileyo»
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I-admixture enye inemida ekuphuculeni ukusebenza kwe-gypsum slurry. Ukuba ukusebenza kwe-gypsum mortar kukufikelela kwiziphumo ezanelisayo kwaye kuhlangatyezwane neemfuno ezahlukeneyo zesicelo, i-admixtures yeekhemikhali, i-admixtures, i-fillers, kunye nezixhobo ezahlukeneyo kufuneka zihlanganiswe kwaye c ...Funda ngokugqithisileyo»
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I-Hydroxypropyl methylcellulose - i-masonry mortar Ukuphucula ukunamathela kunye ne-masonry surface, kwaye ukhulise ukugcinwa kwamanzi, ukwenzela ukuba amandla omdaka aphuculwe. Ukuphucula ukuthambisa kunye neplastiki kwiipropati eziphuculweyo zesicelo, ukusetyenziswa okulula konga ixesha kunye nokuphucula ...Funda ngokugqithisileyo»
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I-Cellulose hydroxypropyl methyl ether yenziwe nge-cotton cellulose ecocekileyo kakhulu ngokusebenzisa i-etherification ekhethekileyo phantsi kweemeko ze-alkaline. isiphumo: 1. Ushishino lokwakha: Njenge-arhente yokugcina amanzi kunye ne-retarder yodaka lwesamente, lunokwenza udaka lumpompe. Kwi-plaster, gypsum, putty powder okanye...Funda ngokugqithisileyo»
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1. Ubushushu beGel (isisombululo se-0.2%) 50-90 ° C. 2. Inyibilika emanzini kunye nobuninzi be-polar c kunye nomlinganiselo ofanelekileyo we-ethanol / amanzi, ipropanol / amanzi, i-dichloroethane, njl., enganyibilikiyo kwi-ether, i-acetone, i-ethanol epheleleyo, kwaye idumbe ibe yinto ecacileyo okanye encinci ye-turbid kwisisombululo se-colloidal yamanzi abandayo. Amanzi...Funda ngokugqithisileyo»
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I-MC yi-methyl cellulose, eyenziwe nge-ether yeselulosi ngokunyanga umqhaphu osulungekileyo nge-alkali, usebenzisa i-methane chloride njenge-etherification agent, kunye nokuhamba kuthotho lweempendulo. Ngokubanzi, iqondo lokutshintsha yi-1.6 ~ 2.0, kwaye ukunyibilika kwahluka kwakhona ngeedigri ezahlukeneyo ...Funda ngokugqithisileyo»
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Ibakala lemihla ngemihla lemichiza ye-hydroxypropyl methylcellulose yipolymer eyenziweyo eyenziwe kwi-cotton linters ye-cellulose yendalo ngokuguqulwa kwe-etherification. I-ether ye-cellulose iphuma kwi-cellulose yendalo. Ukuveliswa kwe-cellulose ether kuyahluka kwiipolymers zokwenziwa. Eyona nto isisiseko ...Funda ngokugqithisileyo»
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Ukongeza i-hydroxypropyl methylcellulose ukwenza i-putty powder, i-viscosity yayo akulula ukuba ibe nkulu kakhulu, inkulu kakhulu iya kubangela ukungasebenzi kakuhle, ngoko ingakanani i-viscosity eyenza i-hydroxypropyl methylcellulose ye-putty powder idinga? Masiyihlalutye kumntu wonke. Kungcono ukongeza i-hydroxypropyl methylc...Funda ngokugqithisileyo»