Abstract
The effects of hot-press after homogeneous low voltage electron beam irradiation (HLEB1) on the adhesive force (^oF_p) of peeling resistance of laminated sheets of polytetrafluoroethylene (PTFE) and different polymers of polypropylene (PP) and polyethylene (PE) were investigated without glue. The adhesion with large ^oF_p between PTFE and different polymers of PE and PP treated by HLEBI was observed, although ^oF_p of the sample without HLEBI was negligible small within the experimental error. In order to discuss the influence of DST on °FP, electron spin resonance (ESR) signals related to dangling bonds were observed. When HLEBI cut the chemical bonds and generated dangling bonds with nonbonding electrons at terminated atoms in monomers of PTFE, PP and PE, the nonbonding electrons induced not only the intermolecular attractive force but also chemical bonding. Therefore, the hot- pressing after HLEBI was a useful tool for quick lamination of PTFE and different polymers of PP and PE without glue.
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