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01. Ukwethulwa kwe-cellulose I-Cellulose iyi-polysaccharide enkulu eyakhiwe yi-glucose. Ayincibiliki emanzini nasezithambisweni eziphilayo ezijwayelekile. Iyisakhi esiyinhloko sodonga lwamaseli esitshalo, futhi futhi iyi-polysaccharide esakazeke kakhulu futhi eningi kakhulu emvelweni. I-Cellulose iyi-mos...Funda kabanzi»
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Ku-mortar exutshwe ngomumo, inqobo nje uma i-cellulose ether encane ingathuthukisa kakhulu ukusebenza kwe-mortar emanzi, kungabonakala ukuthi i-cellulose ether iyisengezo esiyinhloko esithinta ukusebenza kokwakhiwa kwe-mortar. "Ukukhethwa kwezinhlobo ezahlukene, ukuqina okuhlukile,...Funda kabanzi»
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Udaka lokufaka ukushisa oluyi-granular EPS luyinto yokufaka ukushisa okulula exutshwe nezihlanganisi ezingaphili, izihlanganisi eziphilayo, izingxube, izithasiselo kanye nama-light aggregates ngesilinganiso esithile. Phakathi kwezihlanganisi zokufaka ukushisa eziyi-granular EPS ezicwaningwayo futhi ezisetshenziswayo njengamanje, zingaphinde zisetshenziswe...Funda kabanzi»
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I-Cellulose ether iyi-polymer engeyona i-ionic eyenziwe nge-semi-synthetic, encibilika emanzini futhi encibilika nge-solvent. Inemiphumela ehlukene ezimbonini ezahlukene. Isibonelo, ezintweni zokwakha zamakhemikhali, inemiphumela elandelayo ehlanganisiwe: ①I-ejenti yokugcina amanzi ②I-Thickener ③Ukulinganisa ④Ukwakheka kwefilimu...Funda kabanzi»
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Isizinda Socwaningo Njengomthombo wemvelo, omningi futhi ovuselelekayo, i-cellulose ihlangabezana nezinselele ezinkulu ekusetshenzisweni okusebenzayo ngenxa yezakhiwo zayo ezingancibiliki kanye nokuncibilika okulinganiselwe. Ukuqina okuphezulu kwekristalu kanye nezibopho ze-hydrogen eziphakeme esakhiweni se-cellulose kwenza yonakale kodwa hhayi mina...Funda kabanzi»
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Njengengxube ebaluleke kakhulu ekwakheni imikhiqizo yodaka oluxutshwe okomile, i-cellulose ether idlala indima ebalulekile ekusebenzeni nasekubizeni kodaka oluxutshwe okomile. Kunezinhlobo ezimbili zama-cellulose ethers: eyodwa iyi-ionic, njenge-sodium carboxymethyl cellulose (CMC), kanti enye ayiyona i-ionic, njenge-methyl ...Funda kabanzi»
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I-cellulose ether iyi-polymer engeyona i-ionic eyenziwe nge-semi-synthetic, encibilika emanzini futhi incibilika nge-solvent. Inemiphumela ehlukene ezimbonini ezahlukene. Isibonelo, ezintweni zokwakha zamakhemikhali, inemiphumela elandelayo ehlanganisiwe: ① i-ejenti yokugcina amanzi ② i-thickener ③ impahla yokulinganisa ④ ifilimu-...Funda kabanzi»
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Ukuthuthukiswa kwezakhiwo ze-mortar nakho kunemiphumela ehlukene. Njengamanje, izingcezu eziningi ze-marshmallow kanye ne-plastering zinokusebenza okungekuhle kokugcina amanzi, futhi i-slurry yamanzi izohlukana ngemva kwemizuzu embalwa yokuma. Ngakho-ke kubaluleke kakhulu ukwengeza i-cellulose ether ku-mortar ye-cement. Ake ...Funda kabanzi»
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I-Cellulose ether iyi-polymer yama-molecule ephezulu engeyona i-ionic, encibilika emanzini futhi incibilika kalula. Inemiphumela ehlukene ezimbonini ezahlukene. Isibonelo, ezintweni zokwakha zamakhemikhali, inemiphumela elandelayo ehlanganisiwe: ①I-ejenti yokugcina amanzi ②I-Thickener ③I-prop yokulinganisa...Funda kabanzi»
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I-Hydroxypropyl methylcellulose iyi-ether ye-cellulose engeyona i-ionic etholakala kukotini ocolisisiwe, izinto zemvelo ze-polymer, ngochungechunge lwezinqubo zamakhemikhali. Isetshenziswa kakhulu embonini yokwakha: i-putty powder engangeni manzi, i-putty paste, i-tempered putty, i-paint glue, i-plastering mortar...Funda kabanzi»
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1. Impuphu ye-putty iyoma ngokushesha Impendulo: Lokhu kuhlobene kakhulu nokwengezwa kwe-calcium yomlotha kanye nezinga lokugcina amanzi kwefayibha, futhi kuhlobene nokoma kodonga. 2. Impuphu ye-putty iyaxebuka futhi iyagoqa Impendulo: Lokhu kuhlobene nezinga lokugcina amanzi, okulula ukwenzeka uma ...Funda kabanzi»
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I-Methylcellulose (MC) Ifomula yama-molecule ye-methylcellulose (MC) ithi: [C6H7O2(OH)3-h(OCH3)n\]x Inqubo yokukhiqiza ukwenza i-cellulose ether ngochungechunge lwezimpendulo ngemuva kokuba ukotini ocolisisiwe uphathwe nge-alkali, bese i-methyl chloride isetshenziswa njenge-etherification agent. Ngokuvamile, i-degr...Funda kabanzi»