Cho koob tshuaj yog ib qho khoom siv ntau yam thiab nrov hauv tsev siv hauv ntau cov ntawv thov, los ntawm bricklaying thiab thaiv pw rau nplais inlay thiab veneer. Txawm li cas los xij, lub cug cug captab ntawm cov captab qhuav yuav ua tau kev txhawj xeeb rau ntau tus neeg tsim tsev thiab cov tswv tsev, zoo li nws tau tawg, tshwj xeeb tshaj yog nyob rau hauv huab cua huab cua hnyav.
Qhov zoo, muaj ntau ntau txoj kev daws teeb meem los txhim kho lubricability thiab tawg ntawm cov tshuaj cug qhuav, ib qho ntawm cov kev daws teeb meem zoo tshaj plaws yog kev siv ntawm hydroxypropylulose (HPMC).
HPMC yog dab tsi?
HPMC yog cov khoom siv hluavtaws tsim los ntawm kev hloov tshuaj lom neeg ntawm cov cellulose ntuj. Nws yog feem ntau siv nyob rau hauv kev tsim kho kev tsim kho raws li cov phau ntawv nrog cov tuab tuab hauv cov sib tov qhuav xws li cho kua kuab.
HPMC yog cov dej ntws heev thiab ua cov khoom siv gel thaum sib xyaw nrog lwm cov khoom xyaw. Nws tseem tsis muaj tshuaj lom, tsis muaj kev txob taus thiab cov khoom siv biodradable, ua rau nws muaj kev nyab xeeb thiab ib puag ncig cov khoom siv ntxiv.
HPMC txhim kho lub durability thiab tawg tsis kam ntawm cov tshuaj khib qhuav?
1. Txhim Kho Cov Dej Ua Haujlwm
Ib qho ntawm cov ntsiab lus tseem ceeb ntawm HPMC hauv cov neeg nplua neeg qhuav yog nws lub peev xwm los nce dej khaws cia. Thaum sib xyaw nrog dej, HPMC cov ntaub ntawv gel uas pab ua kom cov dej sib xyaw kom sib xyaw rau ntev dua. Qhov no tsim cov kev sib xyaw ua ke ntau dua thiab homogeneous sib xyaw uas tsis muaj feem yuav tawg lossis tawg kom tawg.
Txhim kho cov dej txuag cov dej tseem yuav pab txhim kho cov kev ua haujlwm tag nrho
2. Txhim Kho Cov Khoom Tshuas
Lwm qhov tseem ceeb ntawm HPMC hauv cov tshuaj khib qhuav yog nws lub peev xwm los txhim kho adhesion. HPMC ua raws li cov phau ntawv, pab khi khi cov sib tov ua ke thiab ua kom nws mus rau saum npoo nws tau thov rau.
Qhov no yog qhov tshwj xeeb tshaj nyob rau hauv cov ntawv thov uas cug yog siv los tuav cov vuas luaj, cib lossis block nyob rau hauv qhov chaw raws li nws pab tiv thaiv kev txav lossis hloov chaw.
3. Txhim Kho Kev Ua Haujlwm
Ntxiv nrog rau kev txhim kho cov dej khaws cia thiab cov nplaum, HPMC kuj tseem tuaj yeem txhim kho qhov ua haujlwm tag nrho ntawm cov neeg nplua nuj. Los ntawm kev ntxiv HPMC mus rau kev sib xyaw, cov neeg ua haujlwm thiab cov neeg tsim vaj tse tuaj yeem ua tiav cov kev sib xyaw ua ke ntau dua thiab homogeneous uas yooj yim rau kev thov thiab cov duab.
Qhov no pab txo txoj kev pheej hmoo ntawm kev tawg lossis ntxaij thaum daim ntawv thov thiab txhim kho qhov tseeb ntawm cov khoom tiav.
4. Ntxiv Zog
Thaum kawg, HPMC tau pom tias nce cov zog tag nrho thiab ruaj khov ntawm cov neeg muaj plua plav qhuav. Qhov no yog vim muaj kev txhim kho dej khaws cia thiab cov nplaum, uas ua rau muaj kev sib xyaw ruaj khov, muaj kev nyab xeeb dua.
Los ntawm kev siv HPMC hauv cov cro kuab qhuav, cov tuam tsev tuaj yeem tsim cov khoom tsim tau zoo, cov khoom ruaj khov uas tsis tshua tawg lossis tawg.
Hauv kev xaus
Hauv kev xaus, HPMC yog ib qho txiaj ntsig zoo thiab ua tau zoo ntxiv txhawm rau txhim kho lub durability thiab tawg kom tsis muaj qab zib. Nws txhim kho cov dej khaws cia, cov tshuaj nplaum, ua haujlwm thiab lub zog, ua rau nws zoo tshaj rau cov khoom lag luam thiab cov khoom lag luam kom ruaj ntseg.
Los ntawm kev siv HPMC hauv cov kab cug qhuav, cov ua haujlwm tuaj yeem ua kom lawv cov phiaj xwm muaj xwm yeem, nrog kev ua raws li, txawm tias ua tiav uas tsis tshua tawg lossis tawg dhau sijhawm. Yog li lwm zaus koj ua haujlwm ntawm txoj haujlwm tsim kho, txiav txim siab siv HPMC txhawm rau txhim kho qhov zoo thiab ruaj khov ntawm koj lub cug qhuav.
Lub sij hawm Post: Lub Yim Hli 15-2023