Hydroxypropyl methylcelluloseyog ib yam khoom siv raw uas siv dav heev. Tshwj xeeb tshaj yog siv cov hmoov putty. Muaj ntau yam khoom xws li: tsis kam ntsev, ua haujlwm ntawm qhov chaw, thermal gelation, PH stability, khaws dej, adhesion, thiab lwm yam. Txawm li cas los xij, hydroxypropyl methylcellulose kuj muaj qee qhov teeb meem. Muaj peb qho laj thawj rau cov teeb meem:
1. Kev siv hydroxypropyl methylcellulose
2, yog qhov ntau ntawm cov khoom siv hauv paus
3. Nws yog ib qho kev sib xyaw ua ke ntawm cov khoom sau hauv cov mis
Piv txwv li, tus qauv viscosity ntawm hydroxypropyl methylcellulose siv tsis raug, qhov ntau ntawm cov khoom siv hauv paus ntau dhau, qhov fineness ntawm cov khoom sau zoo dhau, thiab lwm yam kom txog thaum muaj kev ntsuas tswj hwm rau cov laj thawj tshwj xeeb, xws li kev siv hydroxypropyl methylcellulose kom raug nrog tus qauv viscosity ntawm 100,000 Khoom, qhov koob tshuaj yuav tsum tsis pub tsawg dua 3.5 kg / ton, thiab qhov koob tshuaj ntawm cov hmoov polyvinyl cawv yuav tsum tsis txhob loj dhau, tsis pub siab dua 6%. Qhov fineness ntawm cov khoom sau feem ntau siv 325 mesh cov khoom sau ib txwm muaj, thiab thaum nws tshaj 600 mesh, kev ua haujlwm tsim kho yuav raug cuam tshuam tsis zoo. Nco ntsoov tias qhov xwm txheej saum toj no yuav tsum daws qhov teeb meem ntawm kev khawb tsis zoo.
Lub sijhawm tshaj tawm: Lub Kaum Hli-20-2022