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首页> 外文期刊>Journal of Applied Polymer Science >Flexible epoxy novolac coatings: Use of cardanol-based flexibilizers
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Flexible epoxy novolac coatings: Use of cardanol-based flexibilizers

机译：灵活的环氧树脂酚醛清漆涂料：使用基于Cardanol的Flexibilizers

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摘要

Flexible epoxy novolac coatings were developed by reacting an epoxy novolac resin, poly[(phenylglycidyl ether)-co-formaldehyde] (PPGEF) with an amine curing agent, 4,4-diamino-3,3-dimethyldicyclohexyl methane (BMCHA), cardanol based reactive diluent (Cardolite NC-513) and two different cardanol-based flexibilizers (Cardolite NC-514 and Cardolite NC-547). The flexibilizer content was varied from 5 to 10% by weight of the resin. These resins were coated onto the stainless steel panels and tested for their gloss, cross-hatch adhesion, falling weight impact resistance, flexibility, abrasion, scratch hardness, solvent scrub resistance, and chemical resistance. The thermo-mechanical properties of these coatings were determined by TGA, DSC, DMTA, and tensile strength measurements. The cryofractured specimens were subjected to SEM analysis. The influence of structural differences of two flexibilizers on the coating properties was investigated. These coatings exhibited excellent properties and have great potential in industrial applications. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44920.
机译：通过使环氧酚醛脱色树脂，聚[（苯基甘氨酸醚）-Co-甲醛）与胺固化剂，4,4-二氨基-3,3-二甲基二氯己基己基甲烷（BMCHA），新鲜的环氧醇（BMCHA）制造柔性环氧酚醛清漆涂料。基于基于的反应性稀释剂（Cardolite NC-513）和两种不同的Cardanol基柔韧剂（Cardolite NC-514和Cardolite NC-547）。柔韧剂含量从树脂的5％重量的5％变化。将这些树脂涂覆在不锈钢板上，并测试其光泽，交叉舱口粘附，重量抗冲击性，柔韧性，磨损，刮擦硬度，溶剂擦伤性和耐化学性。通过TGA，DSC，DMTA和拉伸强度测量测定这些涂层的热机械性能。进行干燥的样品进行SEM分析。研究了两种柔韧剂对涂层性能的结构差异的影响。这些涂层具有优异的性能，并且具有巨大的工业应用潜力。 （c）2017 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2017,134,44920。

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