HPMC, tseem hu ua hydroxypropy kasthylulose, yog qhov hluavtaws nrov polymer nrog ntau cov kev siv hauv kev lag luam xws li kev tsim kho nrog rau kev tsim kho. Nws yog feem ntau siv los ua kev ntxiv rau phab ntsa putty, putty, thiab sab nrauv phab ntsa putty. Raws li cov chaw tsim khoom HPMC, peb tau cog lus los muab cov khoom lag luam zoo uas ua rau peb cov neeg muas zaub zoo tshaj.
Ib qho ntawm cov khoom tseem ceeb ntawm HPMC yog nws lub peev xwm los txhim kho kev ua tau zoo thiab kev thov ua tiav ntawm cov khoom noj khoom haus cov khoom noj. Qhov no ua tiav los ntawm kev ntxiv HPMC mus rau qhov sib tov qhuav ua ntej ntxiv cov dej. HPMC pab txhim kho cov ntub dej thiab kis tau cov khoom sib xyaw ntawm cov sib tov, txhim kho cov khoom zoo nkauj, thiab muab ib qho du ua kom haum rau kev thov kom yooj yim.
Hauv phab ntsa muaj zog thiab ua rau muaj cov khaub ncaws, HPMC yog siv los ua cov binder thiab tuab los txhim kho kev ua tau zoo thiab ruaj khov ntawm cov khoom. Qhov kev sib txuas ntawm HPMC pab txo cov kev tawg thiab shrinkage, txhim kho cov dej khaws cia, thiab txhim kho cov txheej txheem tag nrho ntawm cov khoom. Qhov no ua rau nws yooj yim dua rau tus neeg siv los siv cov khoom kom zoo thiab ua tiav qhov ua tiav.
Nyob rau sab nrauv phab ntsa txhaws, HPMC yog siv los ua qhov tseem ceeb ntawm cov dej tsis kam thiab cov huab cua tsis kam ntawm cov khoom. Qhov no yog qhov tshwj xeeb tshaj yog qhov tseem ceeb rau kev sab nraud qhov chaw cov khoom lag luam muaj tshwm sim los ntawm cov dej tsaws chaw tsis zoo xws li nag, cua thiab tshav ntuj. Los ntawm kev ntxiv HPMC mus rau kev sib xyaw, cov khoom tuaj yeem ua tau zoo dua ua tau zoo dua cov kev sib tw no thiab saib xyuas nws qhov kev ua tau zoo thiab kev pom zoo rau lub sijhawm.
Ua ib qho chaw tsim khoom HPMC, peb muab ntau cov khoom tshwj xeeb tsim rau phab ntsa putty, putty thiab sab nrauv Phab ntsa swb. Peb cov khoom raug tsim los ua cov qauv zoo tshaj plaws thiab kev ntsuas kom zoo kom ntseeg tau tias ua tau zoo ib yam thiab kev ntseeg tau.
Peb tau cog lus tias yuav muab cov kev pabcuam zoo tshaj plaws rau peb cov neeg tau txais thiab ua haujlwm sib haum nrog lawv kom nkag siab txog lawv cov kev xav tau tshwj xeeb thiab cov kev xav tau. Peb pab neeg ntawm cov kws tshaj lij yog nyob ntawm tes los qhia thiab txhawb nqa peb tus kheej kom tau txais peb cov neeg xav tau kev xav tau tshwj xeeb.
Ntxiv rau peb cov kev cog lus rau kev ua tau zoo thiab kev pabcuam, peb kuj tau cog lus rau kev txhim kho kom ruaj khov. Peb siv zog txo qis peb ib puag ncig cuam tshuam los ntawm kev siv cov txheej txheem phooj ywg zoo ib puag ncig thiab cov khib nyiab tsawg. Peb ntseeg txoj kev ua haujlwm zoo rau ib puag ncig thiab zej zog, thiab peb zoo siab tau txais HPMC cov chaw tsim khoom.
Hauv ntej, HPMC yog qhov tseem ceeb ntawm phab ntsa putty, putty txheej thiab sab nrauv phab lauj lav. Raws li cov chaw tsim khoom HPMC, peb tau cog lus tias yuav muab cov neeg siv khoom zoo uas ua tau raws li lawv cov kev xav tau. Peb ntseeg tias hauv kev xa cov kev ua tau zoo tshaj, kev ntseeg tau thiab pabcuam, thiab tau cog lus los ua kom tau txais txiaj ntsig zoo rau ib puag ncig thiab zej zog. Txawm hais tias koj yog ib tus neeg ua lag luam me lossis tuam txhab tsim kho, peb nyob ntawm no los txhawb koj thiab pab koj ua tiav koj cov hom phiaj.
Lub Sijhawm Post: Jul-28-2023