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首页> 外文期刊>Progress in Organic Coatings: An International Review Journal >A study on coating properties of an epoxy system hardened with maleinized castor oil
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A study on coating properties of an epoxy system hardened with maleinized castor oil

机译：马来酸蓖麻油固化环氧树脂体系的涂料性能研究。

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The paper describes coating properties (pencil hardness, adhesion, flexibility, solvent resistance) of a flexible biobased polyepoxide network from diglycidyl ether of bisphenol A crosslinked with castor oil maleate. Curing kinetics, electrical and photochemical behaviour were described. The structure was confirmed by Fourier transform infrared spectroscopy (FTIR). Global kinetic curing parameters values were determined via differential scanning calorimetry (DSC), by applying the Ozawa, Kissinger and nonlinear regression methods. Kinetic paraineters of each individual stage, obtained through multivariate non linear regression method, indicated a three stage curing mechanism. A good correlation was found between experimental data and that simulated by the applied software. The material was further characterized by DSC and dielectric measurements. Crosslinking density and Shore hardness were determined from swelling and mechanical tests. 2-(4,6-dipheny1-1,3,5-triazin-2-yl)-5-1(hexyl)oxyl-phenol photostabilizer was added and photochemical behaviour was assessed at two different wavelengths. (C) 2016 Elsevier B.V. All rights reserved.
机译：该论文描述了由双酚A的二缩水甘油醚与蓖麻油马来酸酯交联而成的柔性生物基聚环氧化物网络的涂层性能（铅笔硬度，粘合性，柔韧性，耐溶剂性）。描述了固化动力学，电学和光化学行为。通过傅立叶变换红外光谱法（FTIR）证实了该结构。通过使用小泽，基辛格和非线性回归方法，通过差示扫描量热法（DSC）确定总体动力学固化参数值。通过多元非线性回归方法获得的每个阶段的动力学参数都表明了一个三阶段的固化机理。在实验数据和应用软件模拟的数据之间发现了良好的相关性。通过DSC和介电测量进一步表征了该材料。交联密度和肖氏硬度由溶胀和机械测试确定。加入2-（4,6-二苯并1-1,3,5-三嗪-2-基）-5-1（己基）氧基-苯酚光稳定剂，并在两个不同的波长下评估光化学行为。 （C）2016 Elsevier B.V.保留所有权利。

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