Ukukhethwa kwe-HPMC ukubonakala lapho kukhiqiza udaka oluhlaza okomile?

I-Methyl Cellulose MC ne-Hydroxypropyl Methyl Cellulose (HPMC) zinezakhiwo ezizinzile zamakhemikhali, ukumelana isikhutha, kanye nemiphumela emihle yokugcina amanzi, futhi azithintwa izinguquko kunani le-PH Valuve. Akusikho ukuthi ukukhuphuka kwendlela, kube ngcono. I-viscosity ilingana kakhulu namandla ebhondi. Lapho kuphakama khona ukubonwa, okuncane amandla. Ukukhiqizwa kwe-putty powder ngokuvamile kuphakathi kwama-visosities angama-50 000 no-100,000. Ukufakwa kodaka kwangaphandle okuhlanganiswe kwangaphandle kulungele ukweqiwa okungu-15-20 000, ikakhulukazi ukwandisa izinga lokulinganisa nokwakha, kunganciphisa inani likasimende. Omunye umphumela ukuthi udaka lukasimende lunesikhathi sokuqina, lapho kudingeka luphulukiswe futhi namanzi kudinga ukugcinwa kuswakameke. Ngenxa yomphumela wokugcina amanzi we-cellulose, amanzi adingekayo ukuze aqinisekiswe ngodaka ngodaka kuqinisekisiwe ekugcinweni kwamanzi kwe-cellulose, ngakho-ke umphumela wokuqina ungatholwa ngaphandle kokugcina.

Ngokuphathelene nekhwalithi ye-cellulose, ikakhulukazi i-viscosity, ingahlolwa nge-vesithi elijikelezayo, futhi lingaqhathaniswa nendlela elula. When comparing, take 1 gram of cellulose with the same viscosity, add 100 grams of water, put it in a disposable cup, and pour it in at the same time, and observe which one dissolves faster, has better transparency, and has a better thickening effect. Ngcono ukucaca, ukungcola okuncane.

I-Carboxymethyl cellulose CMC ne-sodium carboxyylyl starch (CMS) ishibhile. Zisetshenziswa ku-putty ebangeni eliphansi le-putty ezindongeni ezingaphakathi. Isetshenziswa ekuxubeni okulomile. Ngoba la ma-cellulose azosabela ngesimende, i-calcium lime powder, i-gypsum powder, kanye nama-inorganic.

Abantu abaningi bacabanga ukuthi la maselula angama-alkali. Ngokuvamile, usimende kanye ne-lime calcium powder futhi, futhi bacabanga ukuthi bangasetshenziswa ngokuhlanganiswa. Kodwa-ke, i-CMC ne-CM akuzona izinto ezizodwa. I-chlororoacetic acid esetshenziswa kwinqubo yokukhiqiza i-acidic. Izinto ezisele kwinqubo zisabela ngosimende kanye ne-lime calcium powder, ngakho-ke azikwazi ukuhlanganiswa. Abakhiqizi abaningi balahlekelwe kakhulu ngenxa yalokhu, ngakho-ke kufanele kukhokhwe.