Thaum nws los txog rau cov nplais nplaum, daim ntawv cog lus nruab nrab ntawm cov nplaum thiab cov nplais yog qhov tseem ceeb heev. Yog tsis muaj lub zog, ntev-ntev txoj cai, vuas tuaj yeem xoob lossis txawm ntog tawm, ua rau raug mob thiab puas. Ib qho ntawm cov ntsiab lus tseem ceeb hauv kev ua tiav kev sib raug zoo ntawm cov nplais thiab cov nplaum yog kev siv ntawm hydroxypropyl methylulose (HPMC).
1. Txhim Kho Cov Yeeb Yam thiab Kev Tsim Kho
HPMC txhim kho kev ntws thiab ua haujlwm ntawm cov pobzeb nplaum. Los ntawm kev ntxiv HPMC mus rau ib qho nplaum, nws ua tau yooj yim dua thiab thov, muab cov nplaum kom zoo nkauj thiab muaj kev sib txawv. Qhov kev ua haujlwm zoo txhais ua cov nplaum ua kom zoo dua, raws li cov nplaum muaj peev xwm siv tau ntau tusyees, kom txhua lub pobzeb raug sib raug zoo rau lub substrate. Yog li ntawd, cov vuas yuav tsis nqa lossis txo qis txawm tias siv hnyav.
2. Dej ceev ceev
Lwm cov txiaj ntsig zoo ntawm HPMC yog tias nws txhim kho cov dej khaws cia ntawm cov pobzeb nplaum. HPMC khaws cov roj av lwg me me, uas pab cov nplaum nyob kom noo thiab ua haujlwm rau lub sijhawm ntev dua. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv ib puag ncig muaj cov av noo lossis kub hloov pauv, raws li cov nplaum tuaj yeem qhuav sai. Los ntawm kev khaws cia noo noo, HPMC ua kom cov nplaum tsis yooj yim dua, muab sijhawm ntau rau kev sib khi ua ke saum npoo av.
3. Nce adhesion
Qhov txiaj ntsig tseem ceeb tshaj plaws ntawm kev siv HPMC nyob rau hauv cov nplais nplaum yog tias nws nce cov nyiaj sib khi ntawm cov nplaum thiab cov pobzeb nto. HPMC ua raws li cov nplaum ntawm ob qhov chaw, kom lawv raug khi nruj thiab zoo. Qhov no yog qhov tshwj xeeb tshaj yog thaum tab tom txhim kho cov vuas luaj hauv cov dej lossis lwm yam noo noo, raws li nws tuaj yeem tiv thaiv cov vuas los ntawm kev sib cais lossis loosening. Cov nplaum txhim kho muab los ntawm HPMC kom cov vuas ua kom ruaj khov nyob rau hauv qhov chaw txawm tias siv hnyav.
4. Ua tau yooj yim dua
Pobzeb nplaum tau yuav tsum tau ua kom haum thiab txav nrog cov txheej txheem tsis muaj kev tawg lossis sib cais los ntawm cov nplais. HPMC nce qhov hloov pauv ntawm cov nplais nplaum, tso cai rau nws kom zoo dua nrog kev txav zoo dua thiab siab. Qhov kev hloov pauv no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas cov txheej txheem yuav nthuav lossis cog lus vim qhov ntsuas kub hloov lossis hnyav. Los ntawm kev nce qhov yooj yim ntawm cov nplaum, HPMC ua kom cov vuas tseem ua rau muaj kev sib raug zoo hauv kev nyuaj.
5. Txo cov shrinkage
Thaum kawg, siv HPMC nyob rau hauv ib nplais nplaum nplaum tuaj yeem txo cov shrinkage uas tuaj yeem tshwm sim raws li cov nplaum qhuav. Qhov kev txiav tawm no tuaj yeem ua rau tawg thiab cov khoob ntawm cov nplais thiab cov substrate, ua rau muaj kev sib khi ntawm ob qhov chaw. Los ntawm kev txo cov shrinkage, hpmc kom cov pobzeb nplaum tseem nruj rau lub substrate uas tsis muaj cov kab nrib pleb lossis qhov khoob. Qhov no ua kom pom tseeb tias cov vuas luaj nyob ruaj khov, tiv thaiv lawv los ntawm kev swb lossis xoob.
Muaj ntau cov txiaj ntsig los siv HPMC hauv cov nplais nplaum. Los ntawm kev txhim kho kev ua haujlwm kom txhim kho adhesion, zoo dua yooj yim thiab txo cov shrinkage, HPMC yog qhov tseem ceeb hauv kev ua tiav cov nplais thiab cov nplaum. Los ntawm kev xaiv cov nplais zoo cov nplais nplaum nplaum uas muaj hpmc, koj tuaj yeem ua kom koj cov vuas pov haum yog ruaj, ntev ntev thiab muaj kev nyab xeeb rau xyoo los.
Incorporating HPMC rau hauv cov nplais nplaum nplaum nplaum muaj ntau yam zoo. Xws li cov kev sib raug zoo, txuas ntxiv qhib lub sijhawm, ua kom tiav kev ua haujlwm thiab zoo tshaj sag tsis kam. Thiab, tsis txhob hnov qab tias nws tso cai rau kev ua kom zoo ntawm dej kom zoo thiab ua kom zoo nkauj durability. Nrog rau ntau qhov ntau ntawm cov txiaj ntsig nws muaj, HPMC yog cov cuab yeej nrhiav kom ua tiav kev nrhiav kom ua tiav thiab ntev-ntev ceramic pobzeb nruab.
Lub Sijhawm Post: Oct-24-2023