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Heterocyclic-based epoxy-terminated structural adhesive. II. Curing, adhesive strength, and thermal stability

机译:杂环基环氧封端结构胶。二。固化,粘合强度和热稳定性

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摘要

We studied the curing behavior of heterocyclic-based epoxy-terminated resins using diaminodiphenyl ether, diaminodiphenyl sulfone, benzophenone tetracarboxylicdianhydride, and the commercial hardener of Ciba-Geigy's two-pack Araldite as curing agents. The adhesive strength of the adhesives was measured by various ASTM methods such as lap-shear, peel, and cohesive tests on metal-metal, wood-wood, and wood-metal interfaces. All of these results were compared with those of an epoxy resin prepared from bisphenol-A and epichlorohydrin resin with an epoxy equivalent value of 0.519. The thermal stability of both the virgin resin and its cured form was also studied by thermogravimetric analysis. (C) 2002 Wiley Periodicals, Inc. [References: 19]
机译:我们使用二氨基二苯醚,二氨基二苯砜,二苯甲酮四羧酸二酐和Ciba-Geigy的两包芳族聚酰胺作为固化剂的商业固化剂,研究了杂环基环氧封端树脂的固化行为。粘合剂的粘合强度通过各种ASTM方法进行测量,例如搭接剪切,剥离和对金属-金属,木材-木材和木材-金属界面的内聚力测试。将所有这些结果与由双酚A和环氧氯丙烷树脂制得的环氧当量值为0.519的环氧树脂进行比较。还通过热重分析研究了原始树脂及其固化形式的热稳定性。 (C)2002 Wiley Periodicals,Inc. [参考:19]

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