Hauv kev tsim khoom sib xyaw, hydroxypropyl methylcellose (HPMC) ua haujlwm tseem ceeb ua ib phau ntawv sib ntxiv, feem ntau ua haujlwm, tuab dua, thiab dej rov qab tus neeg saib xyuas. Nws cov versatility ua rau nws yog qhov tseem ceeb tiv thaiv nyob rau ntau theem ntawm kev ua ceramic ua, los ntawm kev ua kom zoo li kev tua hluav taws.
Phau Ntawv: HPMC ua raws li phau ntawv los ntawm kev sib sau cov qauv gel zoo li cov qauv uas sib xyaw nrog dej. Cov cuab yeej nplaum no pab siv rau hauv kev tuav cov ntsiab lus sib xyaw ua ke thaum ua cov txheej txheem xws li extrusion, nias, lossis casting. Nws pab nyob rau hauv kev saib xyuas kev ncaj ncees thiab cov duab ntawm cov ceramic lub cev ntsuab ua ntej tua hluav taws.
Thickener: Raws li tus neeg sawv cev tuab dua, HPMC nce qhov viscosity ntawm kev raug tshem tawm ceramic lossis slurries. Cov cuab yeej no yog qhov tseem ceeb hauv NPOOV CASTING, qhov uas cov lus qhia slamic slurry yuav tsum muaj kev sib xws los xyuas kom meej cov txheej txheem ntawm pwm thiab tiv thaiv kev daws teeb meem. Los ntawm kev tswj viscosity, hpmc pab tswj tau zoo dua ntawm daim ntawv thov ntawm Ceramic slurries, uas ua rau Txhim Kho Zoo.
Dej khaws cia: HPMC muaj peev xwm ua tau dej zoo zoo ua tau zoo, txhais tau tias nws tuaj yeem tuav mus rau cov dej lwg me me hauv cov khaub zig ceramic. Cov cuab yeej no yog qhov zoo dua thaum lub sijhawm ziab khaub ncaws yuav tsum tau tswj kom tsis txhob muaj kev tiv thaiv kev tawg, warping shrinkage. Los ntawm khaws cia noo noo, HPMC ua kom muaj kev tswj cov txheej txheem kom qhuav, ua kom qhuav cov khoom siv tsis zoo thiab txo cov khoom tsis zoo hauv lub cev ceramies.
DEFLOCCULANT: Ntxiv rau nws lub luag haujlwm ua cov tuab dua, HPMC kuj tseem tuaj yeem ua raws li kev sib xyaw nrog lwm cov khoom sib ntxiv xws li sodium silicate. Declocculants pab cov khoom tawg yooj yim dua li cov neeg raug nplua, txo lub viscosity yam tsis muaj kev huam yuaj tsis muaj kev txi. Qhov no txhawb cov khoom ntws zoo dua, ua rau cov ntawv thov nrawm dua lossis daim ntawv thov yooj yim dua.
Lub hnab yas teb: HPMC tuaj yeem ua raws li cov yas ua kom zoo nkauj, txhim kho cov haujlwm ua haujlwm thiab lub zog ntawm cov av nplaum lub cev. Qhov no muaj txiaj ntsig tshwj xeeb hauv cov txheej txheem xws li extrusion lossis tes moulding lossis cov av nplaum yuav tsum tau ua kom yooj yim yam tsis muaj kev tawg. Los ntawm kev txhim kho lub zog, hpmc pab txhawb kev ua kom zoo nkauj thiab moulding ntawm cov khoom lag luam sib xyaw ua ke, ua rau lub cev ntsuab zoo.
Kev pab hlawv hluav taws xob: thaum tua hluav taws, cov organic ntxiv zoo li HPMC Thaub qab uas tuaj yeem ua raws li tus pore yav dhau los lossis pab hauv kev hlawv. Lub tswj hwm kev ua haujlwm ntawm HPMC thaum pib theem ntawm kev tua hluav taws tsim cov khoom siv ceramic tsim kev ua kom zoo dua thiab txo qhov ntom ntom hauv cov khoom kawg. Qhov no tuaj yeem ua tau zoo dua nyob rau hauv kev ua ceramics lossis ua tiav cov microstructures txhua yam.
Kev hloov kho deg: HPMC kuj tseem siv tau rau kev hloov kho saum npoo sib xyaw, txhim kho cov khoom xws li adhesion, noo noo tsis kam, thiab nto smoothness. Los ntawm kev sib sau ua ib zaj duab xis nyias nyob saum npoo ntawm Ceramic lub cev, HPMC txhim kho cov khoom zoo uas tsis muaj kev hloov pauv ntawm cov khoom.
HydroxyPropyyl methylcellose (HPMC) ua si ntau tus neeg saib xyuas kev tsim khoom, deflocculant, yas txias, thiab kev hloov pauv saum npoo av. Nws txoj kev ua haujlwm ntau haiv ua pab rau cov khoom muaj zog tag nrho, cov txheej xwm tag nrho, thiab kev ua tau zoo ntawm cov ntaub ntawv ceramic, ua rau nws tsis tseem ceeb hauv kev lag luam ceramics.
Lub Sijhawm Post: Feb-18-2025