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首页> 外文期刊>Journal of Applied Polymer Science >Effects of surface modification by remote hydrogen plasma on adhesion in poly(tetrafluoroethylene)/copper composites
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Effects of surface modification by remote hydrogen plasma on adhesion in poly(tetrafluoroethylene)/copper composites

机译：远程氢等离子体进行表面改性对聚四氟乙烯/铜复合材料粘附的影响

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摘要

Poly(tetrafluoroethylene) (PTFE) sheet was modified with the remote hydrogen plasma, and the effect of the modification on adhesion between the PTFE sheet and copper metal was investigated. The remote hydrogen plasma was able to make PTFE surfaces hydrophilic without etching. In the modification process, defluorination and oxidation occurred on the PTFE surface. Reactivity of defluorination was 25% (estimated from the concentration of CF2 component) -39% (estimated from the F/C atom ratio). Surface modification of PTFE surface by remote hydrogen plasma contributed to the adhesion between PTFE and copper metal. Peel strength was improved from 7.5 to 92 mN/5 mm by surface modification by a factor of 12. Failure of the PTFE/copper adhesive joint occurred at the interface between the PTFE and copper metal layers, rather than in the inner layer of the PTFE polymer or copper metal layers. Remote hydrogen plasma treatment is a preferable pretreatment of PTFE surface for the fabrication of PTFE and copper metal composites.
机译：用远程氢等离子体对聚四氟乙烯（PTFE）片材进行了改性，并研究了改性对PTFE片材与铜金属之间粘附力的影响。远程氢等离子体能够使PTFE表面亲水，而无需蚀刻。在改性过程中，PTFE表面发生了脱氟和氧化。脱氟的反应性为25％（由CF 2成分的浓度估计）-39％（由F / C原子比估计）。远程氢等离子体对PTFE表面进行的表面改性有助于PTFE与铜金属之间的粘附。通过表面改性将剥离强度从7.5改善到92 mN / 5 mm，提高了12倍。PTFE /铜粘合接头的失效发生在PTFE和铜金属层之间的界面，而不是PTFE的内层聚合物或铜金属层。远程氢等离子体处理是用于制造PTFE和铜金属复合材料的PTFE表面的首选预处理。

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