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Cov hmoov latex uas tawg tau yog cov emulsion tshwj xeeb uas muaj dej thiab cov polymer binder ua los ntawm kev txau kom qhuav nrog vinyl acetate-ethylene copolymer ua cov khoom siv tseem ceeb. Tom qab ib feem ntawm cov dej qhuav, cov polymer me me tsim cov zaj duab xis polymer los ntawm kev sib sau ua ke, uas ua haujlwm ua cov binder. Thaum cov xim liab...Nyeem ntxiv»
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HPMC lossis hydroxypropyl methylcellulose yog ib qho tshuaj uas feem ntau siv hauv ntau yam lag luam suav nrog tshuaj, tshuaj pleev ib ce thiab kev tsim kho. Nov yog qee cov lus nug nquag nug txog HPMC: hypromellose yog dab tsi? HPMC yog cov polymer hluavtaws ua los ntawm cellulose, ib yam khoom ntuj pom muaj nyob rau hauv p...Nyeem ntxiv»
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HPMC hauv kev tsim kho mortar plastering mortar Kev khaws cia dej ntau tuaj yeem ua rau cov cement hydrate tag nrho, ua rau lub zog sib txuas ntxiv ntau ntxiv, thiab tib lub sijhawm ua rau lub zog tensile thiab shear zog nce ntxiv, txhim kho cov txiaj ntsig kev tsim kho thiab ua kom ua haujlwm tau zoo dua ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose yog ib qho polymer compound uas yaj tau hauv dej, tseem hu ua cov resin uas yaj tau hauv dej lossis cov polymer uas yaj tau hauv dej. Nws ua rau cov khoom sib tov tuab dua los ntawm kev ua kom cov dej sib tov tuab dua. Nws yog ib qho khoom siv polymer uas muaj dej ntau. Nws tuaj yeem yaj hauv dej los ua cov tshuaj lossis cov khoom sib xyaw ua ke. Nws tuaj yeem yaj hauv dej los ua cov tshuaj lossis cov khoom sib xyaw ua ke.Nyeem ntxiv»
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EPS granular thermal rwb thaiv tsev mortar yog cov khoom siv rwb thaiv tsev thermal sib xyaw nrog cov inorganic binder, organic binder, admixture, admixture thiab lub teeb aggregate hauv qee qhov kev faib ua feem. Hauv kev tshawb fawb tam sim no thiab kev siv EPS particle rwb thaiv tsev mortar, cov khoom siv rov ua dua tshiab tau tawg ua...Nyeem ntxiv»
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Lub luag haujlwm tseem ceeb ntawm HPMC hauv cov mortar ntub-sib xyaw feem ntau muaj peb yam hauv qab no: 1. HPMC muaj peev xwm khaws dej zoo heev. 2. Kev cuam tshuam ntawm HPMC rau qhov sib xws thiab thixotropy ntawm cov mortar ntub-sib xyaw. 3. Kev sib cuam tshuam ntawm HPMC thiab cement. Kev khaws dej yog ib qho tseem ceeb perfor ...Nyeem ntxiv»
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Hais txog qhov teeb meem uas cov hmoov putty yooj yim rau hmoov, lossis lub zog tsis txaus. Raws li peb txhua tus paub, cellulose ether yuav tsum tau ntxiv los ua cov hmoov putty, HPMC yog siv rau phab ntsa putty, thiab ntau tus neeg siv tsis ntxiv cov hmoov latex redispersible. Muaj ntau tus neeg tsis ntxiv cov hmoov polymer kom t...Nyeem ntxiv»
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Cov khoom siv pleev phab ntsa yog dab tsi? Cov khoom siv pleev phab ntsa yog cov khoom siv tseem ceeb hauv kev tsim kho kom zoo nkauj. Nws yog cov khoom siv yooj yim rau kev kho phab ntsa lossis kev sib npaug, thiab nws kuj yog cov khoom siv yooj yim zoo rau kev pleev xim tom qab lossis kev ua haujlwm phab ntsa. Cov khoom siv pleev phab ntsa Raws li nws cov neeg siv, nws feem ntau muab faib ua ...Nyeem ntxiv»
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Muaj ntau yam zoo rau kev siv hmoov HPMC hauv cov khoom siv hauv tsev no. Ua ntej, nws pab ua kom cov cement mortar khaws dej ntau ntxiv, yog li tiv thaiv kev tawg thiab txhim kho kev ua haujlwm. Qhov thib ob, nws ua rau lub sijhawm qhib ntawm cov khoom siv cement ntev dua, ua rau lawv kav ntev dua ua ntej xav tau...Nyeem ntxiv»
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Hmoov VAE: cov khoom xyaw tseem ceeb ntawm cov nplaum pobzeb Cov nplaum pobzeb yog cov khoom siv tseem ceeb siv hauv kev lag luam kev tsim kho kom ruaj ntseg cov pobzeb rau ntawm phab ntsa thiab pem teb. Ib qho ntawm cov khoom tseem ceeb ntawm cov nplaum pobzeb yog VAE (vinyl acetate ethylene) hmoov. Hmoov VAE yog dab tsi? Hmoov VAE yog cov copolymer ua los ntawm...Nyeem ntxiv»
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Cov hmoov txhuv nplej siab ether feem ntau yog siv rau hauv cov tshuaj khib nyiab, uas tuaj yeem cuam tshuam rau qhov sib xws ntawm cov tshuaj khib nyiab raws li gypsum, cement thiab lime, thiab hloov pauv kev tsim kho thiab kev tiv thaiv sag ntawm cov tshuaj khib nyiab. Cov hmoov txhuv nplej siab ethers feem ntau yog siv ua ke nrog cov cellulose ethers uas tsis hloov kho thiab hloov kho. Nws yog qhov tsim nyog ...Nyeem ntxiv»
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Cov hmoov polymer uas tawg tau dua (RDP) feem ntau yog siv rau hauv kev tsim cov hmoov putty. Hmoov putty yog cov khoom siv tsim kho uas siv los ua kom du thiab tiaj tus ntawm cov chaw xws li phab ntsa lossis qab nthab ua ntej pleev xim lossis dai phab ntsa. Ntxiv RDP rau cov hmoov putty muaj ntau yam zoo. Nws txhim kho qhov kev tshaj tawm...Nyeem ntxiv»