Qhov teebmeem ntawm HPMC ntawm Maas-Raws Lub Tsev Khoom Siv Hlau

HydroxyPropyyl methylcellose (HPMC) muaj ntau cov teebmeem tseem ceeb ntawm cov cement-raws li cug, feem ntau vim yog nws lub luag haujlwm ua kev ntxiv. Nov yog qee qhov ntawm cov txiaj ntsig tseem ceeb:

1. Dej khaws cia: HPMC ua raws li dej tswj tus neeg sawv cev hauv kev sib nraus qauv. Nws ua ib zaj duab xis nyias nyias ncig ntawm cov Maas hais tawm, uas pab tiv thaiv dej los ntawm kev ua kom sai sai thaum lub sijhawm teeb tsa. Qhov no ncua hydration lub sij hawm txhim kho lub zog txhim kho thiab kav ruaj khov ntawm lub cug.
2. Txhim kho cov haujlwm ua haujlwm: HPMC txhim kho kev ua haujlwm ntawm culture los ntawm kev nce nws cohesiveness thiab txo qhov kev nyiam rau cais. Nws ua raws li cov tuab tuab, txhim kho qhov sib xws thiab yooj yim ntawm kev siv ntawm lub tshuaj khib. Qhov no tso cai rau kev ua tau zoo dua, trowelability, thiab adhesion rau substrates, uas ua rau cov tiav smoother.
3. Txhim kho Adhesion: HPMC txhim kho cov nplaum ntawm cug vorttrates rau ntau yam substrates, xws li masonry, qhob, thiab vuas. Nws tsim cov yeeb yaj kiab nyias nyias ntawm cov npoo av, txhawb cov kev sib txuas zoo dua thiab cov nplaum ntawm lub tshuaj khib. Qhov no ua rau txoj kev txhim kho txoj hlua zog muaj zog thiab txo qhov kev pheej hmoo ntawm delamination lossis debonding.
4. Txo cov shrinkage: qhov sib ntxiv ntawm HPMC rau Colltract tsim qauv pab kom txo qis shrinkage thaum lub ziab thiab kho cov txheej txheem. Los ntawm kev khaws dej thiab tswj cov kev co ntawm cov cement, HPMC minimizes lub ntim hloov pauv uas tshwm sim raws li lub tshuaj khib, txo qhov kev pheej hmoo ntawm kev tawg thiab ua kom muaj kev phom sij ntev.
5. Nce txauv: HPMC txhim kho qhov hloov tau yooj yim thiab elasticity ntawm cug, tshwj xeeb tshaj yog nyob rau hauv nyias lossis overlay. Nws pab faib cov kev ntxhov siab ntau tusyees thoob plaws hauv lub tshuaj khib nyiab, txo qhov ntxim nyiam ntawm kev tawg vim kev txav mus los lossis kev daws teeb meem ntawm substrate. Qhov no ua rau HPMC-hloov tsa Mortars haum rau cov ntawv thov uas yooj yog qhov tseem ceeb yog qhov tseem ceeb, xws li cov nplais nruab.
6. Txhim kho qhov ruaj khov: cov dej khaws cia thiab cov nplaum nplaum ntawm HPMC pab txhawb rau tag nrho cov tsis huv ntawm kev tshuaj khib. Los ntawm kev ua kom muaj kev haus dej kom zoo ntawm cov cement thiab txhim kho cov nyiaj txiag tsis txaus siab, HPMC-hloov mus ua ke, noo noo kev ua haujlwm, thiab kev tawm tsam kev ua haujlwm ntev.
7. Lub sijhawm tswj lub sijhawm: HPMC tuaj yeem siv los hloov lub sijhawm lub sijhawm cug sib tov. Los ntawm kho cov tshuaj HPMC, lub sijhawm teem lub sijhawm ntawm cug tshuaj yuav txuas ntxiv los yog nrawm raws li cov cai. Qhov no muab kev hloov pauv hloov pauv thiab tso cai rau kev tswj kom zoo dua qub dua cov txheej txheem.

Qhov sib ntxiv ntawm hydroxypropyf methylcellose (HPMC) MSEME-raws li kev ua haujlwm cov khoom siv ntau, ua kom muaj zog ntxiv, thiab tswj lub sijhawm ua haujlwm. Cov teebmeem no ua rau cov kev ua tau zoo tag nrho, kev ua tau zoo, thiab ntev ntawm cug cug hauv ntau qhov kev siv kev siv.