Tag nrho cov hmoov nplej tawg paj tawg yog cov tshuaj tsuag-ziab uas, thaum sib tov nrog dej tshuaj khib nyiab, ua cov khoom sib xyaw ua ruaj khov raws li cov thawj emulsion. Cov qauv polymer ua ib tus qauv polymer hauv lub tshuaj khib nyiab, uas zoo ib yam li cov khoom siv polascer emulsion thiab hloov kho lub cug. Tus yam ntxwv ntawm cov lis dispersible polymer yog tias cov hmoov no tsuas tuaj yeem tuaj yeem tawg tag ib zaug, thiab nws yuav tsis tau tawg dua thaum lub tshuaj khib ua tom qab tawv. Cov kev tsim muaj ntawm Redispersible polymer hmoov tau ua kom zoo dua kev ua haujlwm ntawm cov hmoov av qhuav. Nyob rau hauv txoj hlua khi rau cov khoom siv zoo nkauj, muaj ntau qhov yuav tsum muaj rau tus nqi ntawm cov liab liab polymer latex hmoov. Nws ntxiv kev txhim kho lub zog ntawm lub zog zoo, ua kom muaj zog, elastic lub zog, elastic muaj zog, elasticity thiab tawv ntawm lub tshuaj khib, uas tuaj yeem zam tau. Tshuaj khib nyiab thiab cov kab nrib pleb kuj tuaj yeem txo cov tuab ntawm cov txheej txheej sib txuas. Redispersible polymer looj hmoov tuaj yeem txhim kho cov khoom sib xyaw saum toj no ntawm cov duab colfer rau ntawm qhov chaw ntawm lub tshuaj khib. Muaj cov hws ntawm cov zaj duab xis, thiab cov nplaim dej ntawm cov cug, uas txo qhov kev ntxhov siab thiab txo lub zog sab nraud. Nyob rau hauv qhov kev txiav txim yuav muab kev so kom tsis muaj kev puas tsuaj. Ntxiv rau, lub tshuaj khib ua cov pob txha tsis huv, thiab cov yeeb yaj kiab nruj polymer tuaj yeem txhim kho lub zog tensile ntawm lub cug.
Lubricating nyhuv ntawm recispersible polymer hmoov hmoov ua kom cov cheebtsam ntawm lub cug kab tshuaj. Nyob rau tib lub sijhawm, nws muaj qhov cuam tshuam rau huab cua, muab cov tshuaj khib kom haum, yog li nws tuaj yeem txhim kho kev tsim kho thiab kev ua haujlwm ntawm lub tshuaj khib. Lub zog compressive ntawm polymer tshuaj pov tseg nrog kev nce nrog cov ntsiab lus roj hmab, thiab folding-folding sib piv qhia tau tus qauv qis.
Qhov kev xeem pom tau tias Recispersible looj hmoov tau hloov cov tshuaj khib thiab tuaj yeem txhim kho qhov hloov ntawm lub tshuaj khib. Redispersible looj hmoov polymer polymer tuaj yeem txhim kho lub zog ntawm cug, tshwj xeeb tshaj yog lub zog ntawm lub zog ntawm cug. Lub polymer aggregates nyob rau hauv lub capill ntshav ntawm lub zog cug thiab ua raws li kev txhawb nqa. Qhov sib ntxiv ntawm dispersible hmoov yuav tuaj yeem txhim kho txoj hlua khi ntawm cov ntawv pov thawj, tshwj xeeb tshaj yog thaum sib txuas cov khoom sib txawv, xws li rau cov vuas luaj sib txawv. Nrog rau qhov nce ntawm cov nyiaj ntawm cov roj hmab hmoov, lub zog yooj yim thiab cov nplaum muaj zog kuj tau nce.
Kev sib xyaw ua ke cov hmoov polymer tuaj yeem txhim kho cov khoom siv tau yooj yim thiab ua rau lub zog yooj yim thiab kev sib raug zoo ntawm cov khoom. Tom qab ntxiv cov polymer rau cov xis mas lub matrix, lub zog tensile yuav tau zoo heev. Thaum lub sij hawm ua kom tawv nqaij tawv ntawm xis mas, yuav muaj ntau cov kab noj hniav sab hauv. Cov kab noj hniav no muaj dej nyob thaum pib. Thaum cov cement yog kho thiab qhuav, cov ntu no ua tej kab noj hniav. Nws yog feem ntau suav hais tias cov kab noj hniav no yog cov ntsiab lus tsis muaj zog ntawm cov xis mas. Tshooj. Thaum Recispersible polymer hmoov muaj nyob hauv cov Maas system, cov hmoov no yuav tawg tam sim ntawd thiab thaj chaw ntawd yog, hauv cov kab noj hniav. Tom qab cov dej ntws tawm. Cov polymer ua yeeb yaj kiab ib ncig ntawm cov kab noj hniav, yog li ntxiv dag zog rau cov ntsiab lus tsis muaj zog. Qhov ntawd yog, ntxiv cov nyiaj liab me me ntawm redispersible looj hmoov tuaj yeem txhim kho txoj hlua khi khi.
Lub Sijhawm Post: Feb-20-2025