Cov khoom ntawm hydroxypropyl methyl cellulose

Feem ntau siv cov neeg muaj kev pab cuam cellulose xws li HEC, HPMC, CMC, MHEC, thiab lwm yam. HPMC, MC lossis EHEC tau siv nyob rau hauv feem ntau cov cement lossis gypsum-beel, cleatly txhim kho cov nplaum ntawm cov nplaum, thiab lwm yam. HEC yog siv hauv cov cement, tsis tsuas yog ua retarder, tab sis kuj yog dej-retaining tus neeg sawv cev, thiab HEHPC kuj tau siv nyob rau hauv no. MC lossis HEC feem ntau siv ua ke nrog CMC ua ib qho khoom siv ntawm cov ntawv ntsa. Nruab nrab-viscosity los yog high-viscosity cellulos muaj kev hais ua ke yog ib txwm siv nyob rau hauv cov ntaub ntawv vaj glued tsev.

HydroxyPropyl methylcellose HPMC feem ntau siv rau hauv kev tsim cov khoom sab hauv thiab sab nrauv, hauv cov khoom lag luam zoo nkauj, thiab lwm yam tshwj xeeb thiab lwm yam tshwj xeeb thiab lwm yam tshwj xeeb thiab lwm yam tshwj xeeb thiab lwm yam tshwj xeeb Viscosity cellulose, cov khoom no muaj cov dej khov ua haujlwm zoo, cov nyhuv tuab tuab tuab thiab ruaj khov. HPMC tau dav siv nyob rau hauv lub tsev kev lag luam thiab siv nyob rau hauv ib tus nqi loj. Cellulose tuaj yeem siv los ua tus retarder, dej tswjfwm tus neeg saib xyuas, thickener thiab phau ntawv. Cellulose ua lub luag haujlwm tseem ceeb hauv kev sib xyaw ua ke, cov hmoov av nyias nyias

HydroxyPropyl methylcellose HPMC cov khoom ua ke ntau lub cev thiab tshuaj lom neeg los ua cov khoom lag luam tshwj xeeb nrog ntau yam kev siv. Cov ntau yam muaj raws li nram no:

◆ Kev tuav dej hauv qab dej: Nws tuaj yeem tswj cov dej noo ntawm cov chaw ntxeem tau xws li Pob Zeb Cemas thiab Cib.

◆ Daim duab zaj duab xis: Nws tuaj yeem tsim lub pob tshab, tawv thiab muag ua zaj duab xis nrog cov roj ua tsis tau zoo.

◆ Cov khoom siv solubility: cov khoom yog soluble hauv qee cov kuab tshuaj ethanic, dej, propanol / dej, dichloroethane thiab cov kuab tshuaj uas muaj ob tus organic cov kuab tshuaj.

◆ Kev daws teebmeem: Cov tshuaj aquees yuav tsim cov gel thaum nws yog rhuab, thiab cov gel tsim rov qab los txias.

◆ Cov dej num nto nyob rau hauv kev daws teeb meem kom ua tiav emulsification thiab tiv thaiv kev tiv thaiv, ntxiv rau theem ruaj khov.

Kev ncua sijhawm: Hydrebroxypropyf methylcellulose tuaj yeem tiv thaiv cov khoom seem ntawm, yog li inhibermiting tsim los ntawm precipitates.

◆ Tiv thaiv kev tiv thaiv kab mob: nws tuaj yeem tiv thaiv cov tee dej thiab cov lus hais los ntawm co coalescing lossis coagulating.

◆ Cov nplaum: siv ua cov nplaum rau cov pigments, luam yeeb cov khoom lag luam, thiab cov khoom lag luam, nws muaj cov haujlwm zoo.

◆ SELLUBILILE Solubility: Cov khoom tuaj yeem yog cov dej hauv cov khoom sib txawv, thiab nws qhov siab tshaj plaws tsuas yog txwv los ntawm viscosity.

◆ Tsis-Oionic Inertness: Cov khoom lag luam yog cov khoom lag luam uas tsis yog tshuaj pleev ib ce lossis lwm cov ions rau hauv insoluble precipitates.

Inid-acid stability: haum rau siv nyob rau hauv ntau ntawm PH3.0-11.0.

Insteless thiab tsis muaj ntxhiab, tsis cuam tshuam los ntawm cov metabolism; Siv los ua cov khoom noj thiab yeeb tshuaj ntxiv, lawv yuav tsis muaj peev xwm hauv cov zaub mov, thiab yuav tsis muaj cua sov.