HPMC (HydroxyPropy cellulose cellulose) thiab hemc (hydroxy ethyl methyl cellulose uas muaj cov khoom siv cellulose uas siv tau hauv cov khoom siv vim lawv cov khoom siv. Lawv yog cov dej-soluble polymers tau los ntawm cellulose, lub ntuj polymer pom hauv tsob ntoo cell phab ntsa. HPMC thiab Hemc yog siv los ua cov tshuaj ntxiv hauv ntau cov khoom tsim kho kom txhim kho lawv cov khoom thiab txhim kho cov txheej txheem thiab txhim kho cov txheej txheem.
Hauv qab no yog qee cov ntawv thov ntawm HPMC thiab Hemc hauv cov khoom siv:
Pobzeb Cov Ntawv Qhia: HPMC thiab Hemc yog feem ntau ntxiv rau cov nplais nplaum nplaum los txhim kho kev ua haujlwm thiab lub zog ua haujlwm. Cov neeg polymers ua zoo li cov thickeners, muab lub sijhawm qhib zoo dua (ntev npaum li cas cov nplaum tseem siv tau siv tau) thiab txo cov nplais sagging. Lawv kuj txhim kho cov nplaum lo lus nplaum kom sib txawv substrates.
Kev Cia Siab Filfars: HPMC thiab Hemc yog siv hauv kev ua kom zoo nkauj xws li cov plasters, plasters thiab sab nrauv rwb thaiv tsev tag nrho cov tshuab (EIFS). Cov neeg polymers txhim kho kev ua haujlwm ntawm lub tshuaj khib, ua kom nws yooj yim dua mus tshaj tawm thiab thov. Lawv kuj txhim kho txoj hlua khi, txo cov dej nqus dej thiab txhim kho cov nplaum ntawm cov neeg muaj ntsha tuag rau ntau hom substrates.
Gypsum-based khoom: HPMC thiab cov khoom siv hemc yog siv rau hauv gypsum-based cov ntaub ntawv xws li Gypsum Plasters, cov tebchaw sib txuas thiab kev ntsuas tus kheej. Lawv ua yeeb yam li cov dej tuav cov neeg sawv cev, txhim kho cov haujlwm ua haujlwm thiab ntev lub sijhawm ntawm lub sijhawm ntawm cov khoom. Cov polymers kuj tseem muaj zog kuj tseem tawg, txo cov shrinkage thiab txhim kho adchesion.
Kev Ntsuas Tus Kheej: HPMC thiab Hemc tau ntxiv rau kev ua kom tus kheej-lev sib txuas los txhim kho cov khoom ntws thiab leveling. Cov polymers no pab kom txo cov viscosity, kev tswj cov dej nqus thiab muab cov ntsej muag zoo dua. Lawv kuj txhim kho cov nplaum ntawm qhov sib xyaw ua ke rau substrate.
Grouting: HPMC thiab Hemc tuaj yeem siv rau cov pob zeb ua ke thiab Masonry. Lawv ua li rheology modifiers, txhim kho cov ntws thiab ua haujlwm ntawm grouts. Cov polymers kuj tseem txo cov dej nkag siab, txhim kho adhesion thiab txhim kho tawg tsis kam.
Zuag qhia tag nrho, HPMC thiab Hemc tau siv dav siv hauv cov ntaub ntawv tsim kho vim lawv muaj peev xwm txhim kho cov txheej txheem, cov tshuaj nplaum, dej ua haujlwm, thiab tag nrho cov khoom lag luam. Lawv txhawb cov kev tsim kho zoo dua los ntawm kev txhim kho lub durability thiab zoo ntawm ntau yam kev ua tsev.
Lub Sijhawm Post: Jun-08-2023