Taw qhia:
Gypsum plaster, ib dav siv cov khoom siv tsim kho rau nws cov versatility, tau pom cov kev thov tseem ceeb nyob rau hauv cov kev sib xyaw ua ke xws li hydroxypropylulose (HPMC). HPMC, lub cellulose ether derivative, muaj ntau yam ntawm cov khoom xav tau uas txhim kho kev ua tau zoo thiab ua haujlwm ntawm gypsum plaster formated. Tsab ntawv no rho tawm lub luag haujlwm ntawm HPSUM hauv Gypsum Plaster Series, elucidating nws cov yam ntxwv siv cov tshuaj, thiab cov tswv yim cuam tshuam.
Tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom ntawm HPMC:
HydroxyPropyyl methylulose yog synthesized los ntawm cellulose ntawm cellulose, ua rau dej-soluble polymer nrog cov khoom sib txawv. Nws cov qauv tshuaj muaj cov kab mob cellulose cellulose nrog methyl thiab hydroxypropropyl chaw. Cov qib degree hloov pauv (DS) ntawm methyl thiab hydroxypropropyl pawg tau cuam tshuam cov khoom ntawm HPMC, suav nrog viscosity, thiab zaj duab xis-ua lub peev xwm. HPMC cov khoom pov thawj kev ua kom zoo nkauj cov khoom siv hluav taws xob zoo, tsim cov kev daws teeb meem ruaj khov uas ua rau txhim kho cov haujlwm ua haujlwm thiab cov nplaum hauv Gypsum plaster cov ntawv thov.
Cov haujlwm ntawm HPMC hauv Gypsum Plaster:
Dej khaws cia: HPMC ua raws li hydrophilic polymer, tsim cov duab tiv thaiv ib puag ncig ntawm gypsum hais, yog li tiv thaiv cov dej sai sai thaum lub teeb txheej txheem. Qhov no ua kom cov haujlwm ua haujlwm ntawm plaster, tso cai rau ncua sij hawm thov thiab txo qhov kev pheej hmoo ntawm kev tawg lossis shrinkage.
Rheology hloov kho: kev sib ntxiv ntawm HPMC cuam tshuam lub rheological kev coj cwj pwm ntawm gypsum plaster, corarting pseudopastic lossis shear-thinning cov yam ntxwv. Qhov no ua rau muaj kev txhim kho kom muaj kev txhim kho, txo cov plaubceging, thiab ua kom yooj yim ntawm daim ntawv thov thiab ua tiav cov kev ua tiav ntawm cov khoom lag luam.
Adhesion Li: HPMC txhim kho cov nplaum ntawm gypsum plaster mus rau ntau substrates, suav nrog Masonry, pob zeb ua vaj tse, thiab cov pob zeb ua vaj tse. Qhov tsim ntawm lub ruaj khov interface ntawm lub plaster thiab substrate txhawb nqa txoj hlua khi thiab minimizes delamination lossis tshem tawm cov kev ua haujlwm ntev thiab cov qauv txheej txheem.
Teem lub sijhawm tswj: Los tswj cov tshuab dej kas fes ntawm gypsum, hpmc pab txhawb kev tswj lub sijhawm ntawm plaster formated. Qhov no tso cai rau customized chaw profiles ua rau cov kev yuav tsum tau ua, txij li cov phiaj xwm nrawm rau lub sijhawm ntev rau kev ua haujlwm zoo nkauj lossis kev ua haujlwm zoo nkauj.
Cov txiaj ntsig ntawm HPMC hauv Gypsum Plaster Series:
Kev koom tes ntawm HPMC muaj ntau qhov zoo rau Gypsum plaster tsim qauv:
Txhim kho cov haujlwm ua haujlwm: Txhim kho dej khaws cia thiab cov khoom siv hluav taws xob ua kom zoo dua, yooj yim tswj tau plaster sib xyaw, yooj yim ntawm kev thov thiab txo cov khoom siv pov tseg.
Enhanced durability: Cov khoom siv hluav taws xob zoo thiab teeb tsa lub sijhawm tswj hwm kom muaj txiaj ntsig zoo rau ib puag ncig xws li noo noo thiab qhov kub hloov pauv.
Cov Kev Siv Ntau Yam: HPMC-hloov kho Gypsum Plasters nrhiav cov ntawv thov, suav nrog kev sib txawv ntawm cov txheej txheem sab hauv, suav nrog kev kho kom zoo nkauj thiab kev kho kom zoo nkauj thiab txhim kho cov duab kos duab.
Cov kev saib xyuas cov tswv yim thiab cov lus qhia kev lag luam:
Thaum koom nrog HPMC plaster rau hauv Gypsum plaster cov qauv, ntau yam yuav tsum tau txiav txim siab kom pom tau zoo thiab ua kom pom tseeb:
Xaiv qib HPMC: Qhov kev xaiv ntawm qib HPMC: Qhov kev xaiv ntawm HPMC yuav tsum ua raws li cov kev thov tau zoo, kev xaiv tsa, thiab kev tswj lub sijhawm tswj.
Kev Kuaj Xyuas Kev Sib Tw: Kev ntsuas HPMC thiab lwm yam kev sib ntxiv lossis cov kev sib txuas lus tseem ceeb los ntsuas kev sib cuam tshuam cov peev xwm ntawm plaster tsim.
Cov txheej txheem sib xyaw: cov txheej txheem sib xyaw kom zoo, suav nrog kev sib xyaw ua ke, yog qhov tseem ceeb tswj hwm, yog qhov ua tau zoo ib txwm muaj, thiab ua kom haum rau kev ua haujlwm nrog kev ua tau zoo.
HydroxyPropY methylcellose (HPMC) ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm, kev ua haujlwm, thiab lub zog ntawm gypsum plaster. Los ntawm nws qhov tshwj xeeb ua ke ntawm dej khaws cia, rheology hloov kho, thiab kev ntseeg tau rau lub hom phiaj thiab kev ntseeg tau ntawm gypsum plaster series thoob ntau yam siv. Los ntawm kev nkag siab cov kev ua haujlwm thiab cov txiaj ntsig ntawm HPMC, cov kws qhia tuaj yeem ua kom tau cov haujlwm tsim kho tshiab thaum ua tiav cov qauv kev ua tau zoo tshaj plaws thiab ua tau zoo.
Lub Sijhawm Post: Feb-18-2025