Hydroxypropyl methyl cellulose (HPMC) yog ib qho polymer uas tsis yog ionic, ib qho cellulose ether uas tsis yog ionic ua los ntawm cov khoom siv polymer ntuj cellulose. Cov khoom no tsis muaj ntxhiab, tsis muaj saj, hmoov dawb tsis muaj tshuaj lom, tuaj yeem yaj rau hauv dej txias los ua cov kua nplaum pob tshab, nrog rau kev tuab, kev sib txuas, kev tawg, emulsifying, zaj duab xis-tsim, suspending, adsorbing, gelling, kev ua haujlwm ntawm qhov chaw, Cov yam ntxwv xws li kev khaws cia dej noo thiab kev tiv thaiv colloids.
Qib instant HPMC feem ntau yog siv rau hauv cov tshuaj textile, cov khoom siv ntxuav tshuaj txhua hnub, cov tshuaj pleev ib ce thiab lwm yam teb; xws li tshuaj zawv plaub hau, ntxuav lub cev, tshuaj ntxuav ntsej muag, tshuaj pleev, tshuaj pleev, gel, toner, tshuaj pleev plaub hau, cov khoom styling, tshuaj txhuam hniav, qaub ncaug, dej ua si npuas, thiab lwm yam.
Cov yam ntxwv ntawm cov khoom siv tshuaj lom neeg txhua hnub hydroxypropyl methyl cellulose feem ntau suav nrog:
1. Cov khoom siv raw ntuj, tsis khaus, ua haujlwm me me, muaj kev nyab xeeb thiab kev tiv thaiv ib puag ncig;
2. Dej-solubility thiab thickening: nws tuaj yeem yaj rau hauv dej txias tam sim ntawd, soluble hauv qee cov organic solvents thiab cov dej thiab cov organic solvents sib xyaw;
3. Ua kom tuab thiab viscosity nce ntxiv: qhov nce me me ntawm kev yaj yuav tsim cov kua viscous pob tshab, pob tshab siab, kev ua haujlwm ruaj khov, solubility hloov pauv nrog viscosity, qhov qis dua qhov viscosity, qhov ntau dua qhov solubility; zoo txhim kho qhov kev ruaj khov ntawm lub kaw lus;
4. Kev tsis kam ntsev: HPMC yog cov polymer uas tsis yog ionic, ruaj khov nyob rau hauv cov kua dej ntawm cov ntsev hlau lossis cov electrolytes organic;
5. Kev ua haujlwm ntawm qhov chaw: cov kua dej ntawm cov khoom muaj kev ua haujlwm ntawm qhov chaw, thiab muaj cov haujlwm thiab cov khoom ntawm emulsification, kev tiv thaiv colloid thiab kev ruaj ntseg zoo; qhov nro ntawm qhov chaw yog: 2% aqueous kua yog 42-56dyn / cm;
6. PH ruaj khov: qhov viscosity ntawm cov kua dej ruaj khov nyob rau hauv qhov ntau ntawm PH3.0-11.0;
7. Cov dej-tuav cov nyhuv: cov khoom hydrophilic ntawm HPMC tuaj yeem ntxiv rau cov slurry, paste thiab pasty khoom kom tswj tau cov dej-tuav cov nyhuv siab;
8. Kev ua kom sov: Thaum cov kua dej raug cua sov rau qee qhov kub, nws yuav tsis pom tseeb kom txog thaum nws tsim lub xeev (poly) flocculation, uas ua rau cov kua poob nws cov viscosity. Tab sis tom qab txias, nws yuav tig mus rau hauv lub xeev kua qub dua. Qhov kub uas qhov xwm txheej gel tshwm sim nyob ntawm hom khoom, qhov concentration ntawm cov kua thiab qhov cua sov;
9. Lwm yam ntxwv: cov khoom ua yeeb yaj kiab zoo heev, thiab ntau yam kev tiv thaiv enzyme, kev sib kis thiab kev sib koom ua ke, thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Rau Hli-05-2023