-
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»
-
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»
-
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»
-
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»
-
I-Cellulose ether iyi-polymer yokwenziwa eyenziwe nge-cellulose yemvelo ngokuguqulwa kwamakhemikhali. I-Cellulose ether iyi-derivative ye-cellulose yemvelo. Ukukhiqizwa kwe-cellulose ether kuhlukile kuma-polymer okwenziwa. Izinto zayo eziyisisekelo yi-cellulose, i-polymer compound yemvelo. Ngenxa ...Funda kabanzi»
-
Ku-mortar eyomile, i-cellulose ether iyisengezo esiyinhloko esingathuthukisa kakhulu ukusebenza kwe-mortar emanzi futhi sithinte ukusebenza kokwakhiwa kwe-mortar. I-Methyl cellulose ether idlala indima yokugcina amanzi, ukuqina, kanye nokuthuthukisa ukusebenza kokwakhiwa. Ukugcinwa kwamanzi okuhle...Funda kabanzi»
-
Eminyakeni yamuva nje, ngokusetshenziswa kancane kancane kwezinqubomgomo ezifanele zokunamathela emcabangweni wentuthuko yesayensi nokwakha umphakathi osindisa izinsiza, udaka lokwakha lwezwe lami lubhekene noshintsho oluvela kudaka lwendabuko luye kudaka oluxubene nodaka, kanye nokwakhiwa okuxubaniswe nodaka...Funda kabanzi»
-
Udaka lwempuphu eyomile ludaka oluxubile lwe-polymer noma udaka oluyimpuphu eyomile olwenziwe kusengaphambili. Luhlobo lwesimende kanye ne-gypsum njengezinto eziyisisekelo eziyinhloko. Ngokwezidingo ezahlukene zokwakha, ama-aggregates okwakha i-powder eyomile kanye nezithasiselo zengezwa ngesilinganiso esithile. Luyisakhiwo se-mortar...Funda kabanzi»
-
Ukuqina kuyipharamitha ebalulekile yokusebenza kwe-cellulose ether. Ngokuvamile, uma i-viscosity iphakeme, umphumela wokugcina amanzi we-gypsum mortar uba ngcono. Kodwa-ke, uma i-viscosity iphakeme, isisindo sama-molecule se-cellulose ether siphakeme, kanye nokwehla okuhambisanayo...Funda kabanzi»
-
1. Ama-ether e-cellulose (MC, HPMC, HEC) MC, HPMC, kanye ne-HEC avame ukusetshenziswa ku-construction putty, upende, udoti kanye neminye imikhiqizo, ikakhulukazi ukugcina amanzi kanye nokugcotshwa. Kuhle. Indlela yokuhlola nokuhlonza: Kala amagremu ama-3 e-MC noma i-HPMC noma i-HEC, yifake ku-300 ml wamanzi bese uvuselela...Funda kabanzi»
-
Ku-mortar exutshwe ngomumo, inani lokwengeza le-cellulose ether liphansi kakhulu, kodwa lingathuthukisa kakhulu ukusebenza kwe-mortar emanzi, futhi liyisithasiselo esiyinhloko esithinta ukusebenza kokwakhiwa kwe-mortar. Ukukhetha okunengqondo kwama-ether e-cellulose ezinhlobo ezahlukene, i-visc ehlukene...Funda kabanzi»
-
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, ③Impahla yokulinganisa, ④Ifilimu...Funda kabanzi»