Cellulose tau siv dav hauv petrochemical, tshuaj, papermetics, tshuaj pleev ib ce, thiab lwm yam yuav tsum muaj cov khoom lag luam cellule.
Kab lus no feem ntau qhia txog kev siv thiab cov cim qhia txog HPMC (HydroxyPropeny Ethale), ib qho cellulose ntau yam siv nyob rau hauv dog dig putty hmoov.
HPMC siv cov paj rwb rov qab ua cov khoom siv tseem ceeb. Nws muaj kev ua tau zoo, tus nqi siab thiab zoo alkali tsis kam. Nws yog qhov haum rau cov dej tsis yeem-resistant putty thiab polymer coll tsim ntawm cov cement, txiv qaub calcium thiab lwm cov khoom siv alkaline. Qhov viscosity muaj 40,000-200000s.
Hauv qab no yog ob peb txoj kev rau kev sim qhov zoo ntawm hydroxypropylenchellulose summarized los ntawm Xiabian rau koj. Los thiab kawm nrog xiaobian ~
1. Whiteness:
Ntawm chav kawm, lub txiav txim siab ua haujlwm hauv kev txiav txim siab qhov zoo ntawm hydroxypropyl methylulose tsis tuaj yeem ua kom dawb. Qee cov tuam ntxhab yuav ntxiv cov tshuaj ntxuav hniav dawb nyob hauv cov txheej txheem ntau lawm, qhov tsis zoo ntawm hydroxypropyl methylulose yog qhov zoo heev.
2. Kneness:
HydroxyPropyyl methylcellulose feem ntau muaj lub txiaj ntsig ntawm 80 mesh, 100 mesh thiab 120 mesh. Lub txiaj ntsig ntawm cov lus yog qhov zoo heev, thiab solubility thiab dej khaws cia kuj tseem zoo. Qhov no yog lub siab zoo hydroxypropyl methylculose.
3. Lub teeb kev hloov pauv:
Tso Hydroxypropyl methylulose rau hauv dej thiab yaj nws hauv dej rau ib lub sijhawm los kuaj cov viscosity thiab transparency. Tom qab cov gel tsim, xyuas nws cov kev hloov pauv ntawm lub teeb, qhov zoo dua kev hloov pauv, cov teeb meem tsis txaus ntseeg thiab kev ua kom huv.
4. SPECATIONS LUB HLOB:
Qhov loj dua qhov loj me, zoo dua, vim hais tias qhov hnyav dua lub ntiajteb txawj nqus, ntau dua cov ntsiab lus ntawm hydroxypropyl hauv nws, qhov zoo dua cov dej khaws cia.
Lub Sijhawm Post: Nov-17-2022