Choj Polycarboxylate Cov Kws Tshaj Lij Choj

Cov nyhuv ntawm crosslink qauv ntawm choj polycarboxylate superplasticizers ntawm kev muaj peev xwm dispersion

Choj polycarboxylate superplasticizers (PCs) nrog crosslink qauv tau tsim los ntawm kev siv polyethyleneglycol di-acrylate (PEGdA), hloov ib feem polyethyleneglycol mono-acrylate (PEGmA) raws li tus neeg sawv cev crosslinking.

Cov qauv ntawm tus choj PC tau txheeb xyuas los ntawm gel permeation chromatography, thiab kev muaj peev xwm dispersion tau raug soj ntsuam los ntawm cov cement paste dispersion kev sib txawv nyob rau lub sijhawm thiab kev kuaj rheology.

Cov kev sim sim pom tau hais tias, cov phaus nyhav (MW) ntawm tus choj PC tau nce nrog kev nce ntawm PEGdA kev faib ua feem, thiab MW kev faib nkhaus kis tau hloov los ntawm Gaussian kom tiaj tus zoo li, uas txhais tau tias tseem ceeb ntawm nce siab heev copolymer.

Choj PCs coj mus rau txo qis pib cov cement paste dispersity thiab zoo dua qhov kev faib tawm vim qeeb tso tawm. Cov kev tshawb nrhiav txuas ntxiv pom tias, PEGdA kev faib ua feem tau ua rau muaj kev cuam tshuam me me ntawm polymerization kev ua haujlwm ntawm tus nqaj qaum,

MW kev faib cov nraub qaum deviated los ntawm Gaussian kev faib khoom thiab lub xub pwg nyom tau tshwm sim ntawm kev faib khoom nkhaus thaum PEGdA nce.

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