Pali ma industrial monosodium glutamate, carboxymethyl cellulose, hydroxypropyl methyl cellulose, ndihydroxyethyl cellulose, zomwe zimagwiritsidwa ntchito kwambiri. Pakati pa mitundu itatu ya cellulose, yovuta kwambiri kusiyanitsa ndi hydroxypropyl methylcellulose ndi hydroxyethyl cellulose. Tiyeni tisiyanitse mitundu iwiriyi ya cellulose mwa kugwiritsa ntchito ndi ntchito zake.
Monga mankhwala osakhala a ionic surfactant, hydroxyethyl cellulose ili ndi zinthu zotsatirazi kuwonjezera pa kuyimitsa, kukhuthala, kufalikira, kuyandama, kugwirizana, kupanga filimu, kusunga madzi ndi kupereka ma colloids oteteza:
1. HEC yokha si ya ionic ndipo imatha kukhala limodzi ndi ma polima ena ambiri osungunuka m'madzi, ma surfactants, ndi mchere. Ndi chokhuthala chabwino kwambiri cha colloidal chokhala ndi mayankho a electrolyte okhala ndi mphamvu zambiri.
2. Poyerekeza ndi methyl cellulose yodziwika bwino ndi hydroxypropyl methyl cellulose, mphamvu yobalalitsira ya HEC ndiyo yoyipa kwambiri, koma colloid yoteteza ili ndi mphamvu yamphamvu kwambiri.
3. Mphamvu yosungira madzi ndi yowirikiza kawiri kuposa ya methyl cellulose, ndipo ili ndi kayendedwe kabwino ka madzi.
4. HEC imasungunuka m'madzi otentha kapena ozizira, ndipo siigwa kwambiri kutentha kwambiri kapena kuwira, kotero imakhala ndi mitundu yosiyanasiyana ya kusungunuka ndi kukhuthala, komanso gelation yosatentha.
Kugwiritsa ntchito HEC: nthawi zambiri amagwiritsidwa ntchito ngati chowonjezera kukhuthala, choteteza, chomatira, chokhazikika komanso chokonzekera emulsion, jelly, mafuta odzola, mafuta odzola, ndi kuyeretsa maso.
Chiyambi cha kugwiritsa ntchito Hydroxypropyl methylcellulose (HPMC):
1. Makampani Opaka Utoto: Monga chokhuthala, chosungunula, komanso chokhazikika mumakampani Opaka Utoto, chimagwirizana bwino ndi madzi kapena zinthu zachilengedwe. Monga chochotsera utoto.
2. Kupanga zinthu zadothi: zimagwiritsidwa ntchito kwambiri ngati chomangira popanga zinthu zadothi.
3. Zina: Chogulitsachi chimagwiritsidwanso ntchito kwambiri m'makampani opanga zikopa, mapepala, kusunga zipatso ndi ndiwo zamasamba komanso mafakitale opanga nsalu, ndi zina zotero.
4. Kusindikiza inki: monga chokhuthala, chosungunula ndi chokhazikika mumakampani opanga inki, chimagwirizana bwino ndi madzi kapena zinthu zachilengedwe zosungunulira.
5. Pulasitiki: imagwiritsidwa ntchito ngati chotulutsira nkhungu, chofewetsa, mafuta odzola, ndi zina zotero.
6. Polyvinyl chloride: Imagwiritsidwa ntchito ngati chosungunula popanga polyvinyl chloride, ndipo ndiye chinthu chachikulu chothandizira pokonzekera PVC ndi suspension polymerization.
7. Makampani omanga: Monga chosungira madzi komanso choletsa matope a mchenga wa simenti, chimapangitsa matope a mchenga kukhala osavuta kupopera. Chimagwiritsidwa ntchito ngati chomangirira mu pulasitiki, gypsum, ufa wa putty kapena zipangizo zina zomangira kuti chizitha kufalikira ndikuwonjezera nthawi yogwirira ntchito. Chimagwiritsidwa ntchito ngati phala la matailosi a ceramic, marble, zokongoletsera zapulasitiki, ngati chowonjezera matope, ndipo chingachepetsenso kuchuluka kwa simenti. Kusunga madzi kwa HPMC kungalepheretse matopewo kuti asasweke chifukwa chouma mofulumira kwambiri mutagwiritsa ntchito, ndikuwonjezera mphamvu pambuyo pouma.
Nthawi yotumizira: Okutobala-20-2022