HPMC (HydroxyPropylsyllosylulose) yog lub cellulose derivative feem ntau siv nyob rau hauv cov khoom siv tsim kho, tshwj xeeb tshaj yog cov cement lossis gypsum raws plasters thiab plasters. Nws yog ntau ntau yam ntxiv ntxiv uas txhim kho cov kev ua tau zoo ntawm cov ntaub ntawv no thiab txhim kho lawv cov khoom. HPMC yog cov dej-soluble polymer uas tuaj yeem yooj yim tawg hauv dej los ua cov tuab, homogeneous.
Hauv tsab xov xwm no, peb tshawb txog ntau cov txiaj ntsig ntawm kev siv HPMC hauv Maas lossis Gypsum raws plasters thiab plasters.
Txhim Kho Kev Ua Haujlwm
Ib qho ntawm qhov zoo ntawm kev siv HPMC hauv Maas lossis Gypsum raws plasters thiab plasters yog nws cov kev ua haujlwm zoo. Cov txheej txheem tshaj xee yog hais txog qhov yooj yim nrog cov khoom uas tuaj yeem sib xyaw, thov thiab ua tiav. HPMC ua raws li cov roj nplua nyeem, txhim kho qhov ntws thiab ua tau ntawm cov khoom, ua kom yooj yim rau kev thov thiab ua tiav smoother.
Lub xub ntiag ntawm HPMC nyob rau hauv kev sib tov kuj txo cov khoom siv dej yuav pab tau, uas pab tswj cov shrinkage thiab tawg thaum ziab. Qhov no txhais tau tias cov khoom yuav khaws nws cov duab thiab qhov loj me thiab yuav tsis tawg los yog ntsws vim tias noo noo poob.
Txhim Kho Adhesion
HPMC kuj tseem tuaj yeem txhim kho cov nplaum thiab ua kom xis mas lossis gypsum raws plasters rau qhov chaw nyob hauv qab. Qhov no yog vim HPMC ua ib daim duab plaub hau nyias nyias nyob ntawm ntug ntawm substrate uas ua raws li cov plaster los ntawm cov tev lossis sib cais los ntawm cov substrate.
Zaj duab xis tsim los ntawm HPMC kuj tseem txhim kho daim ntawv cog lus ntawm cov plaster mus rau substrate los ntawm kev tsim lub foob kaw ntawm ob. Qhov no nce tag nrho lub zog thiab ruaj khov ntawm plaster, ua rau nws tsawg dua yuav tawg lossis tawg.
Txhim Kho Huab Cua Kev Tiv Thaiv
Masas lossis Gypsum raws plasters thiab plasters uas muaj hpmc yog tiv taus huab cua thiab yaig. Qhov no yog vim HPMC ua cov yeeb yaj kiab tiv thaiv nyob rau saum npoo ntawm cov plaster uas cov zaub dej thiab tiv thaiv ya raws los ntawm cov khoom.
Zaj duab xis tsim los ntawm HPMC kuj ua rau cov gypsum ntau tiv taus UV hluav taws xob thiab lwm yam huab cua, tiv thaiv nws los ntawm kev puas tsuaj hnub, cua, nag thiab lwm cov neeg ib puag ncig.
Ua kom ntev
Ntxiv HPMC kom cement lossis gypsum raws plasters thiab plasters txhim kho lawv cov kev ua tiav tag nrho. Qhov no yog vim HPMC nce qhov hloov tau yooj yim thiab elasticity ntawm cov plaster, ua rau nws tsis tshua tawg lossis tawg. HPMC kuj tseem nce cov hnav thiab cuam tshuam tsis kam ntawm cov khoom, ua rau nws tiv taus kev puas tsuaj ntau.
Qhov nce ntxiv ntawm cov khoom kuj ua rau nws tiv thaiv dej ntau dua li cov dej nkag mus, noo thiab cov pwm loj hlob. Qhov no ua rau nws muaj cov khoom siv zoo rau kev siv nyob rau hauv ib puag ncig ntub dej xws li chav dej, chav ua noj thiab cov hauv qab daus.
Txhim Kho Cov Hluav Taws Kub Hluav Taws
Masas- lossis Gypsum-based plasters thiab plasters muaj HPMC muaj ntau dua cov uas tsis muaj HPMC. Qhov no yog vim HPMC cov txheej txheem tiv thaiv ntawm cov txheej txheej ntawm cov plaster uas pab tiv thaiv nws kom tiv thaiv cov nplaim hluav taws.
Lub xub ntiag ntawm HPMC nyob rau hauv cov sib tov kuj tseem txhim kho cov thermal rwb thaiv tsev zog ntawm plaster. Qhov no pab tiv thaiv kom tiv thaiv tshav kub los ntawm kev nkag mus rau plaster, uas tuaj yeem pab ua kom qeeb tshaj plaws ntawm hluav taws.
Hauv kev xaus
HPMC yog qhov ntau ntau cov khoom siv txuas ntxiv hauv tsev, tshwj xeeb tshaj yog cov cement lossis gypsum raws plasters thiab plasters. Nws muaj ntau yam ntawm kev txhim kho cov txheej txheem txhim kho, txhim kho cov nplaum, txhim kho huab cua huab cua, txhim kho durability thiab txhim kho hluav taws tsis kam.
Siv HPMC hauv Maas- lossis Gypsum-based plasters thiab plasters tuaj yeem pab txhim kho kev ua tau zoo thiab ntev ntawm cov ntaub ntawv, ua rau lawv tiv taus ntau dua thiab cov khoom. Nws yog qhov zoo tagnrho rau cov neeg cog lus thiab cov tsim tsa uas xav kom ntseeg tau tias qhov zoo thiab ruaj khov ntawm txoj haujlwm tiav.
Lub sij hawm Post: Lub Yim Hli 03-2023