HPMC thiab HEMC yog ob qho tseem ceeb polymers uas tau siv dav hauv cov khoom siv.Lawv ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua tau zoo thiab zoo ntawm cov khoom siv hauv tsev.Hauv tsab xov xwm no, peb yuav qhia txog cov khoom thiab kev siv ntawm HPMC thiab HEMC hauv cov khoom siv.
HPMC, tseem hu ua hydroxypropyl methylcellulose, yog cellulose ether muab tau los ntawm ntoo pulp thiab paj rwb fibers.Nws yog ib qho tsis muaj ntxhiab, tsis qab, tsis muaj tshuaj lom hmoov uas yog soluble hauv dej.HPMC muaj cov dej tuav zoo, ua kom tuab thiab emulsifying zog, uas ua rau nws yog ib qho khoom siv hauv tsev.
Ib qho kev siv ntau tshaj plaws rau HPMC yog cov cement-raws li cov nplaum nplaum.HPMC tuaj yeem txhim kho cov ntawv cog lus lub zog thiab kev ua haujlwm ntawm cov nplaum, thiab nws tseem tuaj yeem tiv thaiv cov vuas los ntawm zawv zawg lossis ntog tawm thaum lub sijhawm teeb tsa.Tsis tas li ntawd, HPMC tuaj yeem txo qhov nqus dej ntawm cov vuas, uas yog ib qho tseem ceeb rau kev ua haujlwm ntev thiab ntev ntawm cov pobzeb installation.
HPMC kuj tau siv dav hauv cementitious self-leveling compounds.Self-leveling tebchaw yog siv rau theem tsis sib xws hauv pem teb, thiab HPMC tuaj yeem txhim kho qhov sib xyaw ua ke thiab qib qib.HPMC tseem tiv thaiv tus kheej-leveling compound los ntawm kev tsim cov kab nrib pleb thiab shrinking, uas yog ib qho tseem ceeb rau kev ncaj ncees ntawm cov flooring system.
Lwm daim ntawv thov ntawm HPMC yog cement-based renders thiab plasters.HPMC tuaj yeem txhim kho qhov adhesion thiab kev ua haujlwm ntawm plaster lossis stucco, thiab tuaj yeem txhim kho cov dej tsis zoo.Qhov no yog ib qho tseem ceeb los tiv thaiv lub tsev lub hnab ntawv thiab tiv thaiv kom tsis txhob ya raws.
HEMC, tseem hu ua hydroxyethyl methylcellulose, yog lwm cov cellulose ether dav siv hauv cov khoom siv hauv tsev.HEMC zoo ib yam li HPMC hais txog kev ua haujlwm thiab kev siv, tab sis nws muaj qee qhov tshwj xeeb zoo uas ua rau nws haum rau qee yam kev siv.
Ib qho txiaj ntsig tseem ceeb ntawm HEMC yog nws cov viscosity siab.Qhov no ua rau nws zoo tagnrho rau siv hauv cov tsho loj thiab cov xim zoo nkauj los txhim kho kev ntws thiab qib.HEMC kuj tau siv dav hauv caulks thiab sealants, uas tuaj yeem txhim kho cov dej tsis kam thiab adhesion ntawm cov khoom.
HEMC kuj tseem siv tau rau hauv gypsum-raws li cov ntaub ntawv hauv tsev xws li kev sib koom ua ke thiab stucco.HEMC txhim kho kev ua haujlwm thiab kev sib txuas ntawm cov sib txuas sib txuas thiab tseem tiv thaiv kev shrinkage thiab tawg.Tsis tas li ntawd, HEMC tuaj yeem txhim kho cov dej tsis kam thiab mildew tsis kam ntawm plasters, uas yog qhov tseem ceeb rau huab cua sab hauv tsev ntawm cov tsev.
Hauv kev xaus, HPMC thiab HEMC yog ob qho tseem ceeb polymers nrog ntau daim ntawv thov hauv cov khoom siv.Lawv ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm thiab kev ua haujlwm zoo ntawm cov khoom siv hauv tsev thiab pab tsim cov vaj tsev ruaj khov, ua haujlwm tau zoo thiab ruaj khov.Raws li cov ntaub ntawv no txuas ntxiv tsim thiab ua kom zoo dua qub, peb tuaj yeem cia siab tias yuav muaj kev tsim kho tshiab thiab kev tsim kho tshiab rau yav tom ntej.
Post lub sij hawm: Aug-07-2023