1. HydroxyPropyyl methylcellulose (HPMC)yog cov tsis-ionic cellulose ionete dav siv hauv kev tsim kho kev tsim kho hauv kev tsim kho, feem ntau yog cov dispersant, thickener thiab phau ntawv. Nws muaj cov dej ua kom zoo heev, thickening, dej tuav thiab lub zog, thiab tuaj yeem txhim kho kev tsim kho kev ua haujlwm thiab cov khoom siv zaum kawg ntawm cov ntaub ntawv tsim tsev. Yog li, HPMC tau siv dav hauv cov ntaub ntawv hauv tsev xws li Cauv Cug, Pobzeb Adhesive, Pertical Hmoov Cug, thiab lwm yam.
2. Lub luag haujlwm ntawm HPMC ua ib qho tsis sib haum
Lub luag haujlwm tseem ceeb ntawm cov neeg tsis sib luag yog tusyees muab cov khoom muaj nuj nqis hauv aqueous, tiv thaiv cov particle agglomeration, thiab txhim kho cov khoom muaj zog ntawm cov khoom siv. Raws li cov khoom siv tau zoo heev, HPMC ua si txoj haujlwm hauv qab no hauv cov ntaub ntawv hauv tsev:
Tiv thaiv cov hnoos qeev kom txo qis cov khoom ua kom zoo nkauj hauv cov cement thiab kev txhim kho kom zoo nkauj thiab cov khoom siv sib txuam ntawm cov khoom tsim kho.
Txhim kho cov khoom siv hluav taws xob: hauv cov hmoov tsim lub vaj tsev thiab lwm yam ntaub ntawv, ua kom cov ntaub ntawv thov smoother thaum kev tsim kho, thiab zam dhau kev txhim kho thaum lub sijhawm.
Txhim kho cov txiv neej npau taws: HPMC pab kom tusyees faib cov cement thiab kev ruaj khov ntawm cov cement muab tshuaj txhuam.
3. Lub luag haujlwm ntawm HPMC ua cov tuab tuab
Lub luag haujlwm tseem ceeb ntawm cov thickener yog kom nce viscosity ntawm lub system kom cov ntaub ntawv tsim tau ua haujlwm tau zoo thaum lub sijhawm tsim kho. Raws li cov tuab tuab heev, HPMC lub zog tseem ceeb hauv kev tsim kho kev tsim kho muaj:
Ua kom cov viscosity ntawm cug cug: HPMC tuaj yeem ua rau muaj kev sib xyaw ua ke thiab lwm yam khoom siv hauv tsev, xws li tsim nyog rau kev tsim kho kom ntsug, xws li cov txheej ntsa.
Txhim khu cov dej khaws cia: HPMC tuaj yeem txhim kho kev ua kom huv dej ntawm cov dej xis, kom tsis txhob muaj cov dej xis ntawm cov dej khov.
Kev tsim kho kev tsim kho kev tsim kho: Hauv kev thov xws li kev sib xyaw ua rau tus kheej, yog li ua kom muaj kuab lom kis tau los ntawm cov ntaub ntawv thaum txhim kho cov tiaj tus hauv av.
4. Lub luag haujlwm ntawm HPMC ua phau ntawv
Lub luag haujlwm tseem ceeb ntawm phau ntawv no yog txhawm rau txhim kho txoj kev sib raug zoo ntawm cov ntaub ntawv thiab ua kom cov kev tsim kho ntawm kev tsim kho. Raws li phau ntawv, daim ntawv thov ntawm HPMC hauv cov ntaub ntawv hauv tsev muaj xws li:
Txhim khu lub neej ua kom lub zog ntawm cov nplais nplaum: HPMC muab cov vuas luaj li cov vuas luaj, ua rau cov vuas luaj li cov vuas uas muaj zog thiab txo qis kev pheej hmoo ntawm cov vuas poob.
Txhim kho cov hmoov nplaum ntawm putty: hauv phab ntsa putty, hpmc tuaj yeem txhim kho cov khoom sib txuas ntawm putty thiab ua kom zoo dua ntawm putty, thiab paub meej thiab ncaj nraim phab ntsa saum npoo av.
Txhim kho qhov ruaj ntseg ntawm tus kheej txoj kev npaub: HPMC txhim kho txoj kev sib xyaws ntawm tus kheej ntawm kev tswj hwm ntawm tus kheej ntawm kev tswj hwm tus kheej thiab kev tawg, thiab ua rau nws ruaj khov rau thaum kev tsim kho.
HydroxyPropyyl methylcellueculose (HPMC) ua lub luag haujlwm tseem ceeb li cov khoom tawg, thickener thiab phau ntawv hauv cov ntaub ntawv hauv tsev. Nws tsis tsuas yog txhim kho kev tsim kho cov ntaub ntawv tsim kho tsev, tab sis kuj ua kom tau zoo kawg siv cov nyhuv siv. HPMC txhim kho cov fluidity thiab kev sib xyaw ntawm cug tshuaj khib los ntawm dispersing khoom thiab tiv thaiv kev ua kom quav; Nws txhim kho cov viscosity thiab dej khaws cia ntawm cov ntaub ntawv los ntawm thickening, thiab txo cov kab nrib pleb thiab sagging; Raws li cov phau ntawv, nws txhim kho cov nplaum ntawm cov ntaub ntawv xws li cov hmoov av nplaum thiab ua kom muaj hmoov, kom ruaj khov thiab ua kom ruaj khov ntawm kev tsim kho. Yog li, HPMC tau dhau los ua kev tsim kho tsis tau muaj txiaj ntsig hauv kev tsim kho niaj hnub, muab kev txhawb nqa zoo rau kev txhim kho lub tsev zoo thiab tsim kev ua haujlwm zoo.
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