Metal-resin bonding mediated by epoxy monolith layer

IF 1.68 Q2 Dentistry Applied Adhesion Science Pub Date : 2016-11-28 DOI:10.1186/s40563-016-0075-3

Fai Uehara, Akikazu Matsumoto

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引用次数: 7

Abstract

An epoxy monolith layer with porous structure is fabricated on the surface of a stainless steel (SUS) plate by polymerization induced phase separation process as the mediator for the bonding of SUS and various thermoplastic resin plates. Bonding strength is evaluated in the presence and absence of the epoxy monolith layer by a tensile lap shear test. The morphology of fracture surfaces is observed by scanning electron microscopy (SEM) in order to clarify the anchor effect of molten resins into the pores of the epoxy monoliths. The bonding strength values are calculated to be 1.2?2.7?MPa based on an apparent adhesion area for the bonding of SUS with polyethylene, polypropylene, polyoxymethylene and acrylonitrile–butadiene–styrene copolymer in the presence of the epoxy monolith mediator. These values are 2?30 times higher than those for direct metal-resin bonding. By the SEM observation, stretched needle-like structures were detected on the both fracture surfaces of the resins and the epoxy monoliths. The direct observation of the stretched debris out of the holes located at the monolith surfaces indicates the significant anchor effect for the present metal-resin bonding system. The bonding system mediated by the epoxy monolith layer is conveniently used for the bonding of dissimilar materials such as metals and resins without any special process and apparatus.

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环氧单体层介导的金属-树脂键合

采用聚合诱导相分离工艺在不锈钢(SUS)板表面制备了具有多孔结构的环氧单体层，作为SUS与各种热塑性树脂板结合的介质。通过拉伸搭接剪切试验，在存在和不存在环氧单体层的情况下评估粘接强度。通过扫描电子显微镜观察断口形貌，以阐明熔融树脂在环氧整体体孔隙中的锚定作用。结合强度值计算为1.2?2.7?在环氧整体介质存在的情况下，SUS与聚乙烯、聚丙烯、聚甲醛和丙烯腈-丁二烯-苯乙烯共聚物键合的表观粘接面积为MPa。这些值是2?比金属-树脂直接粘接高30倍。通过扫描电镜观察，树脂断口和环氧整体体断口均存在拉伸的针状结构。对单体表面孔洞外拉伸碎片的直接观察表明，当前金属-树脂结合体系存在显著的锚定效应。由环氧单体层介导的粘接体系，方便地用于金属、树脂等不同材料的粘接，无需任何特殊的工艺和设备。

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来源期刊

Applied Adhesion Science Dentistry-Dentistry (miscellaneous)

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审稿时长

13 weeks

期刊介绍： Applied Adhesion Science focuses on practical applications of adhesives, with special emphasis in fields such as oil industry, aerospace and biomedicine. Topics related to the phenomena of adhesion and the application of adhesive materials are welcome, especially in biomedical areas such as adhesive dentistry. Both theoretical and experimental works are considered for publication. Applied Adhesion Science is a peer-reviewed open access journal published under the SpringerOpen brand. The journal''s open access policy offers a fast publication workflow whilst maintaining rigorous peer review process.