Kwi-mortar exutyiweyo esele ilungisiwe, ukongezwa kwe-cellulose ether kuphantsi kakhulu, kodwa kunokuphucula kakhulu ukusebenza kwe-mortar emanzi, eyongezwayo enkulu echaphazela ukusebenza kolwakhiwo lwe-mortar. Indima ebalulekileyo ye-HPMC kwi-mortar ikakhulu ikwiinkalo ezintathu, enye kukugcina amanzi kakuhle, eyesibini yimpembelelo ekuqineni kwe-mortar, kwaye eyesithathu kukusebenzisana nesamente.
1. Okukhona i-viscosity ye-cellulose ether ikhula, kokukhona ukusebenza kokugcinwa kwamanzi kuphucuka.
2. Okukhona isixa esikhulu se-cellulose ether kwi-mortar, kokukhona ukusebenza kokugcinwa kwamanzi kuphucuka.
3. Ngobungakanani besuntswana, okukhona isuntswana licolekile, kokukhona ukugcinwa kwamanzi kuphucuka.
4. Ukugcinwa kwamanzi kwe-methyl cellulose ether kuncipha ngokunyuka kobushushu.
Isiphumo sokutyeba kwe-hydroxypropyl methyl cellulose njengesithambisi sinxulumene nobukhulu be-particle, i-viscosity kunye nokuguqulwa kwe-hydroxypropyl methyl cellulose. Ngokubanzi, okukhona i-viscosity ye-cellulose ether iphezulu, kokukhona i-particle incinci, kokukhona isiphumo sokutyeba sibonakala ngakumbi.
Indima yesithathu yee-cellulose ethers kukuthintela inkqubo yokufunxa isamente. Ii-cellulose ethers zinika i-mortar iipropati ezahlukeneyo eziluncedo kwaye zinciphisa ukukhululwa kobushushu besamente ngokukhawuleza kwaye zithintele inkqubo yamandla okufunxa isamente. Okukhona uxinzelelo lwe-cellulose ether kwizinto zejeli yeminerali luphezulu, kokukhona isiphumo sokufunxa okulibazisekileyo sibonakala ngakumbi. Ii-cellulose ethers azigcini nje ngokulibazisa ukuseta, kodwa zikwalibazisa inkqubo yokuqina kweenkqubo ze-mortar yesamente. Ngokunyuka kwe-HPMC dosing, ixesha lokuseta i-mortar landa kakhulu.
Ngamafutshane, kwi-mortar exutyiweyo esele ilungisiwe, i-HPMC idlala indima yokugcina amanzi, ukuqina, ukulibazisa amandla okufunxa isamente kunye nokuphucula ukusebenza kolwakhiwo. Amandla okugcina amanzi amahle enza ukufunxa isamente kugqibelele ngakumbi, okunokuphucula ukunamathela okumanzi kwe-mortar emanzi kunye nokwandisa amandla okubopha kwe-mortar. Ke ngoko, i-HPMC isetyenziswa kakhulu njengesongezelelo esibalulekileyo kwi-mortar exutyiweyo esele ilungisiwe.
Ixesha lokuposa: Jan-20-2022