Latex hmoov - nws tuaj yeem txhim kho qhov sib xws thiab smoothness ntawm lub kaw lus hauv lub xeev ntub dej. Vim yog cov yam ntxwv ntawm cov polymer, kev sib koom ua ke ntawm cov ntub dej sib xyaw ua ke tau zoo heev, ua rau muaj txiaj ntsig zoo rau kev ua haujlwm; Tom qab ziab, nws muaj peev xwm muab adhesion rau tus du thiab ntom txheej txheej, txhim kho cov nyhuv cuam tshuam ntawm cov xuab zeb, pob zeb thiab cua qhov, thiab ntxiv rau cov yeeb yaj kiab ntawm qhov sib txuas ntawm qhov chaw uas qhov sib ntxiv yog lav, kom cov nplais nplaum nplaum. muaj ib qho yooj yim, txo cov elastic modulus, thiab absorbs thermal deformation kev nyuaj siab mus rau ib tug zoo npaum li cas. Nyob rau hauv cov ntaub ntawv ntawm dej immersion nyob rau hauv lub tom ntej theem, nws muaj peev xwm kuj muaj dej tsis kam, tsis kub thiab inconsistent cov ntaub ntawv deformation (ceramic pobzeb deformation coefficient 6 × 10-6 / ℃, deformation coefficient ntawm cement qhob 10 × 10-6 / ℃) rau txhim kho huab cua tsis kam. Youngcel Hydroxypropyl methyl cellulose HP cellulose - muab cov dej tuav tau zoo thiab ua haujlwm tau zoo rau cov mortar tshiab, tshwj xeeb tshaj yog rau thaj chaw ntub dej. Txhawm rau kom ntseeg tau tias qhov kev vam meej ntawm cov tshuaj tiv thaiv hydration, nws tuaj yeem tiv thaiv kev nqus dej ntau dhau ntawm substrate thiab evaporation ntawm cov dej saum npoo av. Vim nws cov cuab yeej cua nkag (1900g / l - 1400g / lpo400 xuab zeb 600HP cellulose 2), chav tsev hnyav ntawm cov nplais nplaum nplaum yog txo, cov ntaub ntawv tau txais kev cawmdim thiab cov elastic modulus ntawm hardened mortar yog txo.
Ceramic pobzeb adhesive redispersible emulsion hmoov yog xim ntsuab, txuag hluav taws xob thiab zoo siab ntau lub hom phiaj hmoov cov khoom siv. Nws yog ib qho tseem ceeb functional additive rau qhuav mix mortar. Nws tuaj yeem txhim kho kev ua haujlwm ntawm mortar, txhim kho lub zog ntawm mortar, txhim kho kev sib koom ua ke ntawm mortar thiab ntau cov ntaub ntawv hauv paus, thiab txhim kho qhov yooj yim, kev ua haujlwm, compressive zog, flexural zog, hnav tsis kam, toughness, nplaum quab yuam, dej tuav lub peev xwm thiab constructability ntawm mortar. Ceramic pobzeb nplaum nplaum redispersible emulsion hmoov muaj kev ua tau zoo, thiab cov pobzeb ceramic nplaum nplaum redispersible emulsion hmoov muaj peev xwm sib txuas thiab kev ua haujlwm tshwj xeeb. Yog li ntawd, lawv daim ntawv thov ntau yam yog dav heev. Hydroxypropyl methyl cellulose plays lub luag hauj lwm ntawm dej tuav, thickening thiab kev tsim kho kev ua tau zoo nyob rau hauv thaum ntxov theem. Lub redispersible latex hmoov ntawm ceramic pobzeb nplaum plays lub luag hauj lwm ntawm lub zog nyob rau hauv lub tom ntej theem, uas yog lub firmness ntawm lub projectAcid thiab alkali tsis kam tau ua ib tug zoo heev nyhuv. Cov nyhuv ntawm redispersible latex hmoov ntawm ceramic pobzeb nplaum rau ntawm cov mortar tshiab: ncua sij hawm ua hauj lwm thiab kho lub sij hawm los txhim kho cov dej tuav kev ua tau zoo, thiaj li ua kom cov hydration ntawm cov cement, txhim kho cov sag kuj (tshwj xeeb hloov cov nplaum hmoov) thiab txhim kho kev ua haujlwm. (nws yog ib qho yooj yim los tsim rau ntawm cov khoom siv hauv paus, thiab nws yog ib qho yooj yim los nias cov vuas rau hauv cov nplaum). Cov nyhuv ntawm cov mortar hardened tau zoo adhesion nrog ntau yam ntaub ntawv, xws li pob zeb, plastering, ntoo, qub ceramic vuas PVC muaj peev xwm deformation zoo nyob rau hauv ntau yam huab cua.
Raws li tus kws tshaj lij cellulose ether chaw tsim khoom, Youngcel cellulose yuav ua siab ntev muab cov neeg siv khoom nrog cov khoom zoo tshaj plaws thiab kev pabcuam
Post lub sij hawm: Jun-27-2022