Vim muaj tej yam xws li qhov kub thiab txias ntawm huab cua, av noo, cua hlob, thiab cua ceev, qhov volatilization ntawm cov dej noo hauv cov khoom gypsum-based yuav raug cuam tshuam.
Yog li ntawd, txawm tias nws nyob hauv gypsum-based leveling mortar, caulk, putty, lossis gypsum-based self-leveling, hydroxypropyl methylcellulose ether (HPMC) ua lub luag haujlwm tseem ceeb.
Kev khaws dej ntawm BAOSHUIXINGHPMC
Zoo heev hydroxypropyl methylcellulose (HPMC) tuaj yeem daws tau qhov teeb meem ntawm kev khaws dej hauv qab qhov kub siab.
Nws cov pab pawg methoxy thiab hydroxypropoxy tau faib sib npaug zos raws li cov saw hlau cellulose molecular, uas tuaj yeem txhim kho lub peev xwm ntawm cov pa oxygen ntawm cov hydroxyl thiab ether bonds los koom nrog dej los tsim cov hydrogen bonds, ua rau dej dawb mus rau hauv dej khi, yog li tswj tau qhov evaporation ntawm dej los ntawm huab cua kub siab kom ua tiav cov dej khaws cia siab.
Kev tsim kho ntawm SHIGONGXINGHPMC
Cov khoom cellulose ether uas raug xaiv kom raug tuaj yeem nkag mus rau hauv ntau yam khoom gypsum yam tsis muaj kev sib sau ua ke, thiab tsis muaj kev cuam tshuam tsis zoo rau qhov porosity ntawm cov khoom gypsum kho, yog li ua kom muaj kev ua pa ntawm cov khoom gypsum.
Nws muaj qee yam kev cuam tshuam qeeb tab sis tsis cuam tshuam rau kev loj hlob ntawm cov siv lead ua los ntawm gypsum; nws ua kom muaj peev xwm sib txuas ntawm cov khoom siv rau qhov chaw hauv paus nrog kev nplaum ntub dej kom zoo, txhim kho kev ua tau zoo ntawm cov khoom siv gypsum, thiab yooj yim kis tau yam tsis muaj cov cuab yeej lo.
Lubricity ntawm RUNHUAXINGHPMC
Cov hydroxypropyl methylcellulose zoo tuaj yeem sib npaug thiab zoo hauv cov cement mortar thiab gypsum-based cov khoom, thiab qhwv txhua yam khoom khov, thiab tsim cov zaj duab xis ntub, thiab cov dej noo hauv lub hauv paus yuav maj mam yaj dhau lub sijhawm ntev. tso tawm, thiab dhau los ua cov tshuaj tiv thaiv hydration nrog cov ntaub ntawv inorganic gelling, yog li ua kom ntseeg tau tias lub zog sib txuas thiab lub zog compressive ntawm cov khoom.
HPMC
Cov Khoom Muag
| Cov khoom | Tus Qauv | Qhov tshwm sim |
| Sab nraud | Hmoov dawb | Hmoov dawb |
| dej noo | ≤5.0 | 4.4% |
| Tus nqi pH | 5.0-10.0 | 8.9 |
| Tus nqi tshuaj ntsuam | ≥95% | 98% |
| ntub dej viscosity | 60000-80000 | 76000 mPa.s |
Cov txiaj ntsig ntawm cov khoom
Kev tsim kho yooj yim thiab du
Cov scraper tsis lo rau txhim kho cov qauv me me ntawm gypsum mortar
Tsis muaj lossis me ntsis ntxiv cov hmoov txhuv nplej siab ether thiab lwm yam thixotropic agents
Thixotropy, zoo sag tsis kam
Kev khaws cia dej zoo
Daim ntawv thov pom zoo
Cov ntaub ntawv ntawm gypsum plaster
Gypsum Bonded Mortar
Tshuab txau plaster plaster
cov kua nplaum
Lub sijhawm tshaj tawm: Lub Ib Hlis-19-2023