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http://dx.doi.org/10.12925/jkocs.2018.35.2.463

Preparation and Properties of Casein graft Carbon black / Polyurethane Composites  

Lee, Joo-Youb (Department of Fire and Disaster Prevention Engineering, Jungwon University)
Publication Information
Journal of the Korean Applied Science and Technology / v.35, no.2, 2018 , pp. 463-471 More about this Journal
Abstract
In this study, analyzed of changes resulting from the spread of carbon black in casein grafted water dispersed polyurethane using PPG. For this purpose, casein-grafted water-dispersed polyurethane and (PUD and CPUD's) samples were prepared and samples of CPCB's dispersed with carbon black were prepared. As a result of measuring the tensile strength using prepared samples, the tensile strength was increased to $3.01kgf/mm^2$ with CPUD3, which contains highly casein, in CPCB's tensile strength was measured as low as $2.54kgf/mm^2$ with increasing carbon black. Elongation was measured in 278% of PUD samples containing less casein, and CP3CB4 in CPCB's was measured as 157%. The abrasion resistance of the samples was 36.97 mg.loss for CPUD3 and 41.11 mg.loss for CP3CB4. The solvent resistance of the PUD 's sample and the CPCB' s sample were not changed.
Keywords
polyurethane; dispersion; casein; carbon black; graft;
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