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I-Ethyl cellulose (i-Ethyl cellulose ether), eyaziwa nangokuthi i-cellulose ether, ebizwa ngokuthi i-EC. Ukwakheka kwama-molecule kanye nefomula yesakhiwo: [C6H7O2(OC2H5)3] n. 1. Ukusebenzisa Lo mkhiqizo unemisebenzi yokubopha, ukugcwalisa, ukwakha ifilimu, njll. Usetshenziselwa amapulasitiki okwenziwa yi-resin, izembozo, i-sub yerabha...Funda kabanzi»
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(1) Izithiyo zobuchwepheshe Amakhasimende angaphansi kwe-cellulose ether anezidingo eziphakeme zekhwalithi kanye nokuqina kwe-cellulose ether. Ubuchwepheshe bokulawula ikhwalithi buyisithiyo esibalulekile sobuchwepheshe embonini ye-cellulose ether. Abakhiqizi badinga ukwazi kahle ukusebenza komklamo ohambisanayo we-co...Funda kabanzi»
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Chaza: Ukwakheka kokudla okuhlanganisa ama-ether e-cellulose Inkambu yobuchwepheshe: Lo mbono wamanje uhlobene nokwakheka kokudla okuqukethe ama-ether e-cellulose. Inqubo yangemuva: Sekuyisikhathi eside kwaziwa ngokufaka ama-ether e-cellulose ezinhlakeni zokudla, ikakhulukazi ukwakheka kokudla okucutshunguliwe, ...Funda kabanzi»
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1. Izici ezinhle (1) Ukusekelwa kwenqubomgomo Njengento entsha esuselwe ku-bio kanye nezinto eziluhlaza nezinobungani nemvelo, ukusetshenziswa kabanzi kwe-cellulose ether emkhakheni wezimboni kuyindlela yokuthuthukisa ukwakha umphakathi onobungani nemvelo nowonga izinsiza esikhathini esizayo. I-d...Funda kabanzi»
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Impuphu ye-putty yakhiwe kakhulu ngezinto ezakha ifilimu (izinto zokubopha), izigcwalisi, izinto zokugcina amanzi, izithisi, ama-defoamers, njll. Izinto zokusetshenziswa zamakhemikhali ezivamile eziphilayo kumpuphu ye-putty zifaka phakathi: i-cellulose, isitashi esifakwe i-gelatinized, i-starch ether, i-polyvinyl alcohol, i-latex ehlakazekayo...Funda kabanzi»
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1. Iyini ukusetshenziswa okuyinhloko kwe-hydroxypropyl methylcellulose (HPMC)? I-Hydroxypropyl methylcellulose isetshenziswa kabanzi ezintweni zokwakha, ezimbozweni, ezinhlayiyeni zokwenziwa, ezitsheni zobumba, kwezokwelapha, ekudleni, ezindwangu, kwezolimo, ezimonyweni, egwayi nakwezinye izimboni. I-Hydroxypropyl methylcellulose ingakwazi ...Funda kabanzi»
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Lo mkhiqizo uyi-2-hydroxypropyl ether methyl cellulose, okuwumkhiqizo owenziwe kancane. Ungakhiqizwa ngezindlela ezimbili: (1) Ngemva kokwelapha ama-linters kakotini noma imicu ye-pulp yokhuni nge-caustic soda, ixutshwa ne-chloromethane kanye ne-epoxy. I-Propane iyasabela, icwengisiswe futhi ihlungwe ukuze itholakale; (2) ...Funda kabanzi»
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I-Hydroxypropyl methylcellulose ivame ukusetshenziswa ezimbonini ezahlukahlukene. Nakuba abantu abaningi bengakuqondi kahle, kuthinta izimboni ezahlukene. Enqubweni yokwakha embonini yokwakha, ivame ukusetshenziselwa kakhulu ukwakha udonga kanye nokuhlobisa i-stucco, i-Caulking kanye nezinye...Funda kabanzi»
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Udaka lwe-hydroxypropyl methylcellulose-masonry luqinisa ukunamathela ebusweni bodaka, futhi lungathuthukisa ukugcinwa kwamanzi, ukuze amandla odaka athuthukiswe. Thuthukisa ukuthambisa kanye nokuqina kweplastiki ukuze kuthuthukiswe ukusebenza kokwakhiwa, kube lula ukukusebenzisa, konge isikhathi, kanye nokuthuthukisa...Funda kabanzi»
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I-Cellulose ether iyi-polymer yama-molecule ephezulu engeyona i-ionic eyenziwe nge-semi-synthetic, encibilika emanzini futhi encibilika nge-solvent. Inemiphumela ehlukene ezimbonini ezahlukene. Isibonelo, ezintweni zokwakha zamakhemikhali, inemiphumela elandelayo ehlanganisiwe: ① I-ejenti yokugcina amanzi, ②I-Thickener, ③Ukulinganisa ...Funda kabanzi»
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Njengengxube esebenza kahle kakhulu, i-cellulose ether yezinga lezinto zokwakha ingathuthukisa ukugcinwa kwamanzi kanye nezakhiwo zokuqina kwezinto zokwakha, futhi ithuthukise ukusebenza kahle kokwakhiwa. Isetshenziswa kabanzi ukuthuthukisa nokwenza ngcono okuhlanganisa udaka lwamatshe, udaka lokushisa, kuze kube...Funda kabanzi»
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I-cellulose ether inokugcinwa kwamanzi okuhle kakhulu, okungavimbela umswakama osesimendeni esimanzi ukuthi ungahwamuki ngaphambi kwesikhathi noma umuncwe ungqimba oluyisisekelo, futhi kuqinisekiswe ukuthi usimende umanzi ngokuphelele, ngaleyo ndlela ekugcineni kuqinisekiswe izakhiwo zemishini zesimende, okuyinto ebaluleke kakhulu...Funda kabanzi»