I-HPMC Hydroxypropyl methyl cellulosekwisamente kunye ne-gypsum slurry, ikakhulu zidlala indima yokugcina amanzi kunye nokuqina, zinokuphucula ngempumelelo ukunamathela kunye nokumelana nokuwa kwe-slurry.
Ubushushu bomoya, ubushushu kunye nesantya soxinzelelo lomoya zinokuchaphazela izinga lokuphuma kwamanzi kwisamente kunye neemveliso ezisekwe kwi-gypsum. Ngoko ke ngamaxesha ahlukeneyo onyaka, ukongeza i-hydroxypropyl methyl cellulose inani elifanayo lesiphumo sokugcina amanzi kwimveliso kunomahluko athile. Kulwakhiwo lwekhonkrithi, isiphumo sokugcina amanzi kwi-slurry sinokulungiswa ngokunyusa okanye ukunciphisa ubungakanani be-HPMC. Ukugcinwa kwamanzi kwi-methyl cellulose ether kubushushu obuphezulu luphawu olubalulekileyo lokwahlula umgangatho we-methyl cellulose ether.
Igqwesilei-hydroxypropyl methyl celluloseIimveliso zochungechunge zinokusombulula ngempumelelo ingxaki yokugcina amanzi phantsi kobushushu obuphezulu. Ngexesha lobushushu obuphezulu, ngakumbi kwiindawo ezishushu nezomileyo kunye nokwakhiwa komaleko omncinci kwicala elinelanga, imfuneko ye-HPMC esemgangathweni ophezulu ukuphucula ukugcinwa kwamanzi kwe-slurry; i-hydroxypropyl methyl cellulose (HPMC), ukufana kulungile kakhulu, ngamaqela e-hydroxypropyl ye-oksijini kunye ne-oksijini asasazwa ngokulinganayo kwikhonkco le-cellulose, anokuphucula i-hydroxyl kunye ne-ether oxygen kunye namanzi kwi-key affiliating form bonding ability, enze amanzi asimahla, ukuze alawule ngempumelelo imozulu eshushu ebangelwa kukufuma ukuba iphele, afikelele ekugcinweni kwamanzi aphezulu.
Umgangatho ophezulu we-hydroxypropyl methyl cellulose unokusasazwa ngokulinganayo nangokufanelekileyo kwi-samente mortar kunye neemveliso ze-plaster, kwaye upakishe zonke iinxalenye eziqinileyo, kwaye wenze umaleko wefilimu yokumanzisa, ukufuma kwisiseko ixesha elide kukhululwa kancinci kancinci, kunye ne-inorganic cementitious material hydration reaction, ukuqinisekisa amandla okubopha kunye namandla okucinezela kwezinto.
Ekwakhiweni, ukuze kufezekiswe isiphumo sokulondolozwa kwamanzi, kufuneka kongezwe umgangatho ophezuluI-HPMCiimveliso ngokwefomula, kungenjalo, kuya kubakho ukoma ngokukhawuleza okubangelwa kukungabikho kwamanzi ngokwaneleyo, ukunciphisa amandla, ukuqhekeka, iingxaki zedrama ezingenanto kunye nokuphuma komgangatho, kodwa kwanokwandisa ubunzima bokwakha kwabasebenzi. Njengoko ubushushu busehla, ubungakanani bamanzi i-HPMC bunokuncipha kancinci kancinci, kwaye umphumo ofanayo wokugcina amanzi unokufezekiswa.
Ixesha leposi: Epreli-26-2024