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01. Ukwaziswa kwe-cellulose I-Cellulose yi-polysaccharide ye-macromolecular eyenziwe yi-glucose. Ayinyibiliki emanzini nakwi-organic solvents ngokubanzi. Yinto ephambili eludongeni lweseli yesityalo, kwaye ikwayeyona polysaccharide isasazeke kakhulu kwaye ininzi kakhulu kwindalo. I-Cellulose yi-mos...Funda ngokugqithisileyo»
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Kwi-mortar exutyiweyo esele ilungisiwe, logama nje i-cellulose ether encinci inokuphucula kakhulu ukusebenza kwe-mortar emanzi, kunokubonwa ukuba i-cellulose ether sisongezelelo esiphambili esichaphazela ukusebenza kolwakhiwo lwe-mortar. "Ukukhethwa kweentlobo ezahlukeneyo, ubunzulu obahlukeneyo, umahluko...Funda ngokugqithisileyo»
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I-EPS granular thermal insulation mortar sisixhobo sokukhusela ubushushu esikhaphukhaphu esixutywe nezihlanganisi ezingaphiliyo, izihlanganisi zezinto eziphilayo, izihlanganisi, izongezo kunye nee-aggregates ezikhanyayo ngomlinganiselo othile. Phakathi kwezihlanganisi ze-EPS granular thermal insulation mortars eziphandwayo nezisetyenziswayo ngoku, zinokuphinda zisetyenziswe...Funda ngokugqithisileyo»
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I-Cellulose ether yi-polymer engeyiyo i-ionic semi-synthetic, enyibilikayo emanzini kwaye inyibilikayo. Ineziphumo ezahlukeneyo kumashishini ahlukeneyo. Umzekelo, kwizixhobo zokwakha iikhemikhali, ineziphumo ezilandelayo ezidibeneyo: ①Iarhente yokugcina amanzi ②I-Thickener ③Ukulinganisa ④Ukwakheka kwefilimu...Funda ngokugqithisileyo»
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Imvelaphi yoPhando Njengomthombo wendalo, oninzi novuselelekayo, i-cellulose ihlangabezana nemingeni emikhulu kwizicelo zayo ngenxa yeempawu zayo zokunganyibiliki kunye nokuncitshiswa okulinganiselweyo. I-crystallinity ephezulu kunye neebhondi ze-hydrogen ezinoxinano oluphezulu kwisakhiwo se-cellulose ziyenza yonakale kodwa andithi...Funda ngokugqithisileyo»
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Njengomxube obaluleke kakhulu ekwakheni iimveliso zodaka oluxutywe nowomileyo, i-cellulose ether idlala indima ebalulekileyo ekusebenzeni nasekuxabiseni kodaka oluxutywe nowomileyo. Kukho iintlobo ezimbini ze-cellulose ethers: enye yi-ionic, njenge-sodium carboxymethyl cellulose (CMC), kwaye enye ayi-ionic, njenge-methyl ...Funda ngokugqithisileyo»
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I-Cellulose ether yi-polymer engeyiyo i-ionic semi-synthetic, enyibilikayo emanzini kwaye inyibilikayo. Ineziphumo ezahlukeneyo kumashishini ahlukeneyo. Umzekelo, kwizixhobo zokwakha iikhemikhali, ineziphumo ezilandelayo ezidibeneyo: ① iarhente yokugcina amanzi ② i-thickener ③ ipropathi yokulinganisa ④ ifilimu-...Funda ngokugqithisileyo»
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Ukuphuculwa kweempawu zesamente nakho kunemiphumo eyahlukileyo. Okwangoku, iisamente ezininzi ezenziwe ngomthi kunye neplasta azinawo amandla okugcina amanzi kakuhle, kwaye i-slurry yamanzi iya kwahluka emva kwemizuzu embalwa yokuma. Ngoko ke kubaluleke kakhulu ukongeza i-cellulose ether kwisamente eyenziwe ngomthi. Masi ...Funda ngokugqithisileyo»
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I-Cellulose ether yi-polymer ye-molecular ephezulu engeyiyo i-ionic, enyibilikayo emanzini kwaye inyibilikayo. Ineziphumo ezahlukeneyo kumashishini ahlukeneyo. Umzekelo, kwizixhobo zokwakha zeekhemikhali, ineziphumo ezilandelayo ezidibeneyo: ①Iarhente yokugcina amanzi ②I-Thickener ③I-leveling prop...Funda ngokugqithisileyo»
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I-Hydroxypropyl methylcellulose yi-non-ionic cellulose ether efunyenwe kwikotoni ecociweyo, izinto ze-polymer zendalo, ngokusebenzisa uthotho lweenkqubo zeekhemikhali. Isetyenziswa kakhulu kushishino lokwakha: umgubo we-putty ongangeni manzi, i-putty paste, i-tempered putty, iglu yepeyinti, i-masonry plastering mortar...Funda ngokugqithisileyo»
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1. Umgubo wePutty uyoma ngokukhawuleza Impendulo: Oku kunxulumene kakhulu nokongezwa kwe-calcium yomlotha kunye nesantya sokugcina amanzi kwifayibha, kwaye kunxulumene nokoma kodonga. 2. Umgubo wePutty uyaxobuka kwaye uyaqengqeleka Impendulo: Oku kunxulumene nesantya sokugcina amanzi, okulula ukwenzeka xa ...Funda ngokugqithisileyo»
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I-Methylcellulose (MC) Ifomula yemolekyuli ye-methylcellulose (MC) yile: [C6H7O2(OH)3-h(OCH3)n\]x Inkqubo yemveliso kukwenza i-cellulose ether ngothotho lweempendulo emva kokuba umqhaphu ocociweyo uphathwe nge-alkali, kwaye i-methyl chloride isetyenziswa njenge-etherification agent. Ngokubanzi, i-degr...Funda ngokugqithisileyo»