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Inani le-pH elijwayelekile lemikhiqizo ye-gypsum liyi-acid noma lingathathi hlangothi. Manje kunezinhlobo ezimbili ze-hydroxypropyl methylcellulose yezinga lokwakha emakethe: i-cellulose encibilika kancane kanye ne-instant cellulose (S). I-Instant cellulose ayifaneleki ezinhlelweni ze-gypsum. Imikhiqizo, ukuncibilika kwayo kubi kakhulu...Funda kabanzi»
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Ukugcinwa kwamanzi okuvela ku-Hydroxypropyl Methyl Cellulose kungenye yezimpawu ezibalulekile ze-Hydroxypropyl Methyl Cellulose. Izici ezifana nokushisa komoya, izinga lokushisa kanye nesivinini sokucindezela komoya kuzothinta izinga lokuguquguquka kwamanzi ku-samente mortar kanye nemikhiqizo esekelwe ku-gypsum. Ngakho-ke, ku...Funda kabanzi»
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Namuhla sizogxila endleleni yokwengeza izinhlobo ezithile zezithina. Izinhlobo zezithina ezivame ukusetshenziswa kakhulu yi-inorganic, i-cellulose, i-acrylic, kanye ne-polyurethane. Izinto ezingaphili ngokuyinhloko yi-bentonite, i-fumed silicon, njll., ezivame ukungezwa ku-slurry ukuze zigaywe, ngoba ...Funda kabanzi»
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Mayelana ne-Cellulose I-Cellulose iyi-polysaccharide enkulu eyakhiwe yi-glucose. Itholakala ngobuningi ezitshalweni eziluhlaza nasezintweni eziphilayo zasolwandle. Iyinto yemvelo esakazwa kabanzi futhi enkulu kunazo zonke emvelweni. Ihambisana kahle nezinto eziphilayo, ivuseleleka futhi iyabola futhi...Funda kabanzi»
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I-cellulose ether yenziwe nge-cellulose ngokusebenzisa ukusabela kwe-etherification kwe-ether eyodwa noma eziningana ze-etherification kanye nokugaya okomile. Ngokwezakhiwo zamakhemikhali ezahlukene ze-ether substituents, ama-cellulose ethers angahlukaniswa abe ama-anionic, ama-cationic kanye nama-nonionic ethers. Ionic cellulose et...Funda kabanzi»
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Ngokusho kombiko wakamuva ovela ku-IHS Markit, ukusetshenziswa komhlaba wonke kwe-cellulose ether—i-polymer encibilika emanzini ekhiqizwa ukuguqulwa kwamakhemikhali kwe-cellulose—kucishe kube ngamathani ayizigidi eziyi-1.1 ngo-2018. Kuwo wonke umkhiqizo we-cellulose ether womhlaba wonke ngo-2018, ama-43% avela e-Asia (iShayina yayine-79...Funda kabanzi»
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(1) Ukubuka konke kwemakethe ye-cellulose ether yomhlaba wonke engeyona ionic: Ngokombono wokusatshalaliswa kwamandla okukhiqiza emhlabeni wonke, ama-43% okukhiqizwa kwe-cellulose ether yomhlaba wonke ngo-2018 avela e-Asia (iShayina yayine-79% yokukhiqizwa kwase-Asia), iNtshonalanga Yurophu yayine-36%, kanye neNyakatho Melika...Funda kabanzi»
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1) Ukusetshenziswa okuyinhloko kwe-ether ye-cellulose yebanga lokudla. I-Cellulose ether iyisengezo sokuphepha kokudla esaziwayo, esingasetshenziswa njengesithambisi sokudla, isiqinisi kanye nesikhuthazi ukuze siqine, sigcine amanzi, sithuthukise ukunambitheka, njll. Sisetshenziswa kabanzi emazweni athuthukile, ikakhulukazi ekudleni okubhakiwe, i-fiber Vegetari...Funda kabanzi»
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Ukusetshenziswa kwe-cellulose ether kubanzi kakhulu, futhi intuthuko iyonke yomnotho kazwelonke izoqhuba ngqo intuthuko yemboni ye-cellulose ether. Njengamanje, ukusetshenziswa kwe-cellulose ether eShayina kugxile kakhulu ezimbonini ezifana nezinto zokwakha,...Funda kabanzi»
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Isimo sochungechunge lwemboni: (1) Imboni Ephezulu Izinto zokusetshenziswa eziyinhloko ezidingekayo ekukhiqizweni kwe-cellulose ether zifaka ukotini ocolisisiwe (noma i-pulp yokhuni) kanye nezinye izinyibilikisi zamakhemikhali ezivamile, njenge-propylene oxide, i-methyl chloride, i-liquid caustic soda, i-caustic soda, i-ethylene oxide, i-toluene kanye ...Funda kabanzi»
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Kusetshenziswa i-cellulose njengezinto zokusetshenziswa, i-CMC-Na yalungiswa ngendlela enezinyathelo ezimbili. Eyokuqala inqubo ye-alkaliization ye-cellulose. I-cellulose isabela ne-sodium hydroxide ukuze ikhiqize i-alkali cellulose, bese i-alkali cellulose isabela ne-chloroacetic acid ukuze ikhiqize i-CMC-Na, ebizwa ngokuthi i-e...Funda kabanzi»
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Ingemuva kanye Nokubuka Konke I-Cellulose ether iyinto esetshenziswa kakhulu yamakhemikhali e-polymer eyenziwe nge-polymer cellulose yemvelo ngokwelashwa ngamakhemikhali. Ngemva kokukhiqizwa kwe-cellulose nitrate kanye ne-cellulose acetate ngekhulu le-19, osokhemisi bathuthukise uchungechunge lwe-cellulose derivatives...Funda kabanzi»