IHydroxypropyl methylcellulose HPMC isetyenziswa ikakhulu ekubunjweni kodaka lwesamente kunye neemveliso zegypsum njenge-dispersant, thickener kunye ne-binder ekwakheni unyango. Isetyenziselwa udaka lwesamente ukwandisa ukubambisana kwayo, ukunciphisa i-flocculation, ukuphucula i-viscosity kunye ne-shrinkage, kwaye inokugcinwa kwamanzi. Ukunciphisa ukulahleka kwamanzi kunye namandla omhlaba wekhonkrithi, ukuthintela ukuqhekeka kunye nemozulu yeetyuwa ezinyibilikayo emanzini; IHydroxypropyl methylcellulose I-HPMC ine-thixotropy, enokusetyenziswa ukulungisa ipeyinti yodaka ephantsi enokuthi ifakwe kwiindonga ezithe nkqo kwidyasi enye eshinyeneyo; I-HPMC iphucula ukunamathela kunye nokusebenza, ngoko ifanelekile ukulungiselela udaka olutshizayo olutshizayo lokupeyinta umaleko obhityileyo.
Isixa se-HPMC esisetyenziswe kwizinto zokwakha sincinci kakhulu, kuphela i-0.1% ~ 1%, kodwa inempembelelo enkulu. Ingasetyenziselwa njengeplastiki, i-tackifier, i-arhente yokugcina amanzi, i-ejenti yokungenisa umoya kunye ne-retarder yepeyinti, udaka, udaka kunye neemveliso zesamente, ukwandisa ukusebenza kwayo, ukugcinwa kwamanzi okanye ukunamathela kunye nekhosi yesiseko. Ukongezelela, ngokweemfuno zokukhuselwa kwendalo, xa udaka lokuxuba okomileyo, ukusebenza okungazinzanga okubangelwa ukuxuba kwi-site, ukungcoliswa kwendawo engqongileyo, indawo yolwakhiwo olubi kunye nokusebenza okuphantsi kokuhamba kakuhle kuyagwenywa. I-adhesive yeethayile ze-ceramic kunye ne-putty yangaphakathi kunye nodonga lwangaphandle lwalusetyenziselwa ukunamathela kwi-107. Ukususela kumbono wokukhusela indalo, i-cellulose ether ifanelekile, njenge-HEC kunye ne-HPMC.
I-samente inokusebenza kakuhle kokudibanisa, kodwa ukusebenza kwe-bonding yodaka lwesamente kunye nodaka lwesamente ngokucacileyo kuyahluka ngenxa yomahluko wokusebenza kunye neemeko phakathi komgangatho wokudibanisa kunye nomphezulu odibeneyo ngexesha lokwakha. Xa ukusebenza kwamanzi okuxutywa kwamanzi kukhulu, kuya kubangela ukuchithwa kwamanzi kwindawo yokudibanisa, ukunciphisa kakhulu iplastiki kunye nokunamathela kwi-samente yodaka, kwaye kunciphise kakhulu amandla okudibanisa. Ngaphambili, i-gypsum okanye i-107 glue yongezwa kudaka lwesamente, kodwa kusekho iziphene ezifana nokulinganisa okungahambi kakuhle kunye neteknoloji yokwakha enzima. I-Viscosity inyusa umphumo we-cellulose ether emanzini kunye nesiseko esibuthathaka.
Iziphumo zokongezwa kwe-cellulose ether ziquka:
1. Ukuphucula ixesha lokuqala nelokugqibela lokumisela isamente;
2. Ukuphucula uxinzelelo lodaka lwesamente;
3. Ukuphucula amandla okugcina amanzi kwisamente negypsum;
4. Amandla oxinzelelo kunye namandla okucheba odaka lwesamente ayancipha;
5. Ukuphucula ukusebenza kwebhondi yodaka.
Ixesha lokuposa: Oct-17-2022