Hydroxyprropyloostrose (HPMC) yog ib qho kev siv ntxiv rau ntau yam ntawm cov khoom lag luam hauv tsev. Nws muaj cov khoom tshwj xeeb uas ua rau nws qhov zoo tshaj plaws ntawm tus kheej cov neeg yuav muaj kev sib xyaw, ua kom muaj cov khoom sib xyaw yooj yim rau cov nplaim thiab dries yooj yim.
Kev sib xyaw tus kheej txoj kev sib xyaw ua ke hauv kev tsim kho hauv kev tsim kho, feem ntau yog vim nws muaj peev xwm muab txoj kev du, txawm tias saum npoo. Qhov kev sib txuas ntawm HPMC rau cov mortars txhim kho lawv cov peev txheej, ua rau lawv muaj txiaj ntsig zoo dua thiab muaj txiaj ntsig.
Ib qho ntawm qhov tseem ceeb tshaj plaws ntawm HPMC yog nws lub peev xwm los muab cov khoom siv kom tau zoo. Thaum ntxiv rau tus kheej-leveling plhaw plug, nws pab khaws cov dej noo hauv cov sib xyaw ntev dua. Qhov no yog ib qho tseem ceeb uas yog kom ua kom tau cov tshuaj khib tsis nrawm dua, cia cov neeg ua haujlwm muaj sijhawm nthuav dav thiab qib.
Cov khoom siv dej-khaws cia ntawm HPMC pab tiv thaiv kev tsim cov kab nrib pleb thiab kev sib tsoo hauv cov kab sib xyaw. Qhov no tseem ceeb heev kom ntseeg tau tias koj tus kheej-trevelite composite ntxaij vab tshaus ntev li ntev tau, txo qhov xav tau kev kho lossis hloov.
HPMC kuj ua raws li lub thickener muab cug sib xyaw ua ke kom zoo. Qhov no ua kom ntseeg tau tias kev cug kev sib xyaw ua tus kheej yog qhov yooj yim siv thiab kov, ua rau nws zoo tagnrho rau kev tsim kho thiab qhov tseeb yog qhov tseem ceeb heev.
Lub peev xwm ntawm HPMC los txhim kho txoj kev sib raug zoo ntawm cov khoom sib xyaw ntawm cov composite ntawm cov khoom lag luam sib txawv rau cov chaw sib txawv. Qhov no yog qhov tseem ceeb kom ntseeg tau tias txoj kev sib xyaw tus kheej yog qhov muaj zog thiab ruaj khov, muab lub hauv paus ruaj khov rau cov qauv ua rau nws.
HPMC kuj tseem txhim kho cov sag tsis kam ntawm tus kheej-cug, ua rau nws tsawg dua ntws los yog noj ntawm qhov chaw ntsug. Qhov no yog qhov tseem ceeb kom ntseeg tau tias cov cug phorts yog thov kom meej tusyees thiab xwm yeem, muab txoj kev du, txawm tias saum npoo.
HPMC kuj tseem tsis muaj tshuaj lom thiab tsis muaj kev phom sij rau ib puag ncig, ua rau nws muaj kev txhawb nqa kom ruaj khov ntxiv. Nws yog biodegradable thiab nplooj tsis muaj qhov seem tom qab siv.
HydroxyPropyyl methylcellulose (HPMC) yog ib qho kev sib xyaw zoo ntawm tus kheej sib xyaw ua ke. Nws cov peev txheej tshwj xeeb txhim kho cov dej khaws cia, adhesion thiab kev ua haujlwm ntawm kev sib xyaw. Ib qho ntxiv, nws tsis muaj tshuaj lom thiab ib puag ncig phooj ywg, ua rau nws xaiv ntxiv rau hauv kev tsim kho kev tsim kho. Los ntawm kev siv HPMC tsis tu ncua, cov lag luam tuaj yeem ua tiav cov kev ua tiav du, ua tiav zoo thiab ua tiav zoo ntawm lawv cov haujlwm tsim kho.
HydroxyPropyyl methylcellulose nqe-Caulk HPMC
HydroxyPropyyl methylcellulose, feem ntau hu ua HPMC, yog ib qho ntau yam siv polymer siv nyob rau hauv ntau yam kev lag luam. Nws cov khoom tshwj xeeb ua rau nws muaj txiaj ntsig zoo hauv ntau cov ntawv thov, suav nrog cov ntawv siv hauv tsev, suav nrog cov ntaub ntawv tsim tsev, cov chaw muag tshuaj, khoom noj khoom haus, thiab ntau dua.
Siv ntawm hydroxypropy kasthylcellose
Kev Tsim Kho Kev Tsim Kho
Ib qho tseem ceeb tshaj plaws ntawm HPMC yog nyob rau hauv kev tsim kho kev tsim kho, uas nws tau siv ua caulking tus neeg sawv cev. HPMC yog siv rau hauv grouts, varnesives, varnishes thiab tus kheej txoj kev sib xyaw kom txhim kho cov dej khaws cia, ua haujlwm thiab cov tshuaj nplaum. Ntxiv HPMC mus rau cov khoom siv xis nyob ua kom cov khoom siv tau nce siab thiab tiv thaiv kev sib xyaw ntawm kev tawg. Nws pab tswj cov xwm txheej sib xws thiab thixotropy ntawm cov sib tov, txhim kho kev ua haujlwm, txo cov shrinkage, thiab txhim kho cov dej ua kom tiav thaum kho.
tshuaj
HPMC tau dav siv hauv cov tshuaj npaj, tshwj xeeb yog cov ntsiav tshuaj tshuaj thiab kev tso tawm kom tau txais kev npaj-tso tawm. Nws yog siv los ua cov phau ntawv, emulsifier, tsis sib xws thiab thickening tus neeg sawv cev hauv cov chaw tsim hluav taws xob. HPMC yog siv rau hauv cov tshuaj pleev HPMC, cov kua pleev, thiab cream kom nce viscosity, txhim kho daim tawv nqaij nkag mus, thiab ua kom cov tshuaj kom tsim nyog.
Khoom noj khoom haus thiab cov tshuaj pleev ib ce
HPMC yog ib qho khoom xyaw uas tau muaj nyob hauv cov zaub mov thiab cov tshuaj pleev ib ce. Siv raws li tuab, emulsifier thiab stabilizer nyob rau hauv cov zaub mov. HPMC feem ntau yog siv hauv cov txiv ntoo khov, cov txiv ntoo ua kom zoo thiab cov khoom ci ci. Hauv cov tshuaj pleev ib ce, nws yog siv los ua cov tuab dua, emulsifier thiab ncua tus neeg sawv cev hauv cream, tshuaj thiab tsuaj zawv.
Yam cuam tshuam rau tus nqi ntawm hydroxypropyf methylcellose
HydroxyPropyyl Metthylculose hom
Muaj ob peb hom HPMC ntawm kev ua lag luam, txhua tus nrog nws tus kheej cov khoom tshwj xeeb. Piv txwv li, qis-vepcosity HPMC yog ntau soluble hauv dej thiab yaj tawm sai sai, ua rau nws zoo tagnrho rau cov tshuaj tam sim ntawd. Nyob rau tib lub sijhawm, siab-viscosity HPMC muaj qhov kev tawm tsam qeeb thiab yog qhov tsim nyog rau kev tso tawm-tso tawm. Hom HPMC yuav cuam tshuam nws tus nqi.
Purity thiab concentration
Lub purity thiab concentration ntawm HPMC kuj cuam tshuam nws tus nqi. Purer HPMC yog kim kim dua vim kev ua haujlwm ntxiv yuav tsum tau txais HPMC. Ib yam li ntawd, cov kev xav ntau dua ntawm HPMC tseem yuav cuam tshuam nws tus nqi txij li cov ntaub ntawv raw ntau dua yuav tsum tau tsim nws.
Tau qhov twg los cov ntaub ntawv raw
Lub hauv paus ntawm cov khoom siv raw siv los tsim HPMC kuj cuam tshuam nws tus nqi. HPMC feem ntau yog muab los ntawm ntoo pulp lossis cov paj rwb ninters, tom kawg yuav kim dua. Qhov chaw nyob thiab zoo ntawm cov ntaub ntawv raw siv yuav cuam tshuam tus nqi ntawm cov khoom kawg.
Kev Xav Tau Lag Luam
Kev thov lag luam yog lwm qhov cuam tshuam rau HPMC tus nqi. Yog tias qhov kev thov rau HPMC yog qhov siab, tus nqi yuav nce ntxiv thiab rov ua dua. Lub Covid tas li-19 Pandemic tau coj mus ntxiv rau HPMC hauv kev lag luam kws tshuaj li HPMC yog siv nyob rau hauv kev tsim cov tshuaj xws li Remdesivir.
Hauv cov ntsiab lus
HydroxyPropyyl methylulose yog ib qho kev sib txuas ntau yam siv hauv ntau yam kev lag luam. Nws cov khoom tshwj xeeb ua rau nws muaj cov khoom siv hauv tsev, cov khoom siv hauv tsev, cov chaw muag tshuaj, khoom noj thiab tshuaj pleev ib ce. Tus nqi ntawm HPMC cuam tshuam los ntawm cov yam xws li hom, kev ua kom zoo nkauj ntawm HPMC, qhov chaw ntawm cov khoom siv raw, kev xav tau lag luam thiab lwm yam. Txawm hais tias muaj ntau yam cuam tshuam uas cuam tshuam nws tus nqi, HPMC tseem yog cov muaj txiaj ntsig zoo nrog ntau yam kev siv thiab cov txiaj ntsig.
Lub Sijhawm Post: Oct-19-2023