EPS Granular thermal thermal rwb thaiv tsev rwb thaiv tsev yog ib qho kev sib xyaw ua ke, admixtures, additives, sib xyaw ua feem. Ntawm cov EPS Granular thermal rwb thaiv tsev mortars tam sim no tau muab rov ua dua tshiab ntawm cov tshuaj khib thiab muaj peev xwm ua feem ntawm cov nqi, yog li nws tau ua kom pom tseeb ntawm tib neeg lub siab. Txoj kev ua tau zoo ntawm EPS POJ KWV YEEM RWB Cug Sab Nrauv phab ntsa sab nraud phab ntsa feem ntau yog los ntawm cov polymer binder, thiab nws muaj pes tsawg leeg feem ntau yog vinyl acetate / ethylene copolymer. Redispersible looj hmoov tuaj yeem tau txais los ntawm cov tshuaj tsuag kom qhuav hom poljermer no. Vim kev npaj kho kom zoo, kev thauj mus los yooj yim ntawm redispersible looj kev tsim kho vim nws txoj kev npaj txhij txhua, kev thauj mus los yooj yim thiab kev thauj mus los yooj yim thiab yooj yim. Qhov kev ua tau zoo ntawm EPS PARALFLE RWB THAIVP CP yog muaj ntau ntawm hom thiab cov nyiaj polymer siv. Ethylene-Vinyl acetate latexr hmoov (EVA) nrog cov ntsiab lus ethylene siab thiab muaj kev hloov pauv zoo dua qub)
Qhov ua tau zoo ntawm cov hmoov yas ntawm cov kev ua tau zoo ntawm cov tshuaj khib yog vim qhov tseeb ntawm cov hmoov av zoo yog cov pab pawg polymular. Thaum cov hmoov txhuv nplej rau cov eps, ntu tsis yog-polymer yuav tshwm sim ntawm lub cev nqaij daim tawv ntawm EPS. Cov pawg polar hauv cov polymer yog kev taw qhia sab nraud ntawm EPS hais, kom cov EPS hais tawm ntawm hydrophibicity rau hydrophilicity. Vim kev hloov kho ntawm cov tog eps los ntawm cov hmoov yas latex, nws daws cov teeb meem uas EPS cov lus yog yooj yim rau dej. Ntab, qhov teeb meem ntawm cov loj ntawm cov tshuaj khib. Nyob rau lub sijhawm no, thaum ua kom tiav, cov pab pawg ua ke sib xyaw, cov khoom sib xyaw ua ke thiab sib xyaw ua ke, kom ua haujlwm ntawm EPS txhim kho. Qhov no yog xav nyob rau hauv qhov tseeb tias EPS yooj yim wetted los ntawm cov cement muab tshuaj txhuam, thiab kev sib raug zoo ntawm ob leeg tau zoo dua.
Emulsion thiab redispersible looj quav huv si tensile lub zog, lawv tau siv los ua cov khoom sib xyaw ua ke rau cov khoom sib xyaw ua ke rau cov khoom siv sib txawv los txhim kho lub zog kev ua yeeb yam ntawm cug. Los ntawm kev soj ntsuam microstructure ntawm cov khoom siv polymer-xis mas muaj peev xwm ua yeeb yaj kiab lub qhov muag, thiab ua ib feem ntawm lub qhov rooj, thiab ua rau lub zog cug tag nrho los ntawm kev quab yuam sab hauv, uas txhim kho lub zog sab hauv ntawm lub cug. Lub zog polymer, yog li kev txhim kho qhov tsis ua haujlwm ntawm cug cug thiab nce qhov kawg nkaus. Txhawm rau kawm kev ua tau zoo ntev ntawm redispersible yas tshuaj tua kab cug, nws tau pom zoo los ntawm kev sib raug zoo ntawm lub ntsej muag, flupleal thiab compressive zog thiab compressive dej pectellency. Tus tsim kev ua tshuab ntawm cov nplais nplaum nplaum tau kawm ntawm cov duab liab qab, thiab nws tau pom cov yeeb yaj kiab yooj yim ntawm lub tshuaj khib thiab pobzeb ntawm ib sab, thiab rau Qhov tod tes, cov polymer nyob rau hauv lub tshuaj khib nyiab rau cov huab cua ntawm cov txheej txheem thiab tom qab ntawd thaum lub sij hawm tsim nyog ntawm cov txheej txheem hydration thiab shrinkage ntawm cov cement hauv lub Cov phau ntawv, tag nrho cov no yuav pab txhim kho txoj hlua khi rau lub zog.
Ntxiv cov refispersible looj lub zog tau txhim kho cov khoom sib xyaw thiab cov tshuaj tsw qab ntawm cov khoom noj kom xis nyob rau hauv cov pores thiab capillaries Cov. Cov yeeb yaj kiab sab hauv yog tsim thiab nthuav dav adsorbed nyob rau saum npoo ntawm substrate, yog li ua kom muaj kev sib tw zoo ntawm cov khoom qab zib cov khoom siv thiab cov substrate.
Lub sij hawm Post: Mar-09-2023