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POLYESTER TYPE ADHESIVE AND SHEET-LIKE LAMINATE USING THE SAME
POLYESTER TYPE ADHESIVE AND SHEET-LIKE LAMINATE USING THE SAME
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机译：使用相同的聚酯型粘合和片状层压板
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摘要
PROBLEM TO BE SOLVED: To solve such a problem that the polyester type adhesive has excellent adhesiveness and electric insulation to a polyester film, and used for an adhesive layer of a sheet-like laminate for electric insulation such as a solar battery back side protective sheet; meanwhile, a request for hydrolysis resistance has been severer in the applications, and improvement of the hydrolysis resistance has been requested not only for a film base material, but also for the polyester type adhesive.SOLUTION: The problem is solved by providing the hydrolysis resistance in the polyester itself, and at the same time, by performing the recombination and self-repair by the additive to be reacted with the polyester terminal group cut by the hydrolysis. In other words, the problem is solved by using the polyester mainly comprising aromatic dicarboxylic acid components, with the carbon number being 3, while ester groups being separated from each other, cut molecular chains, and the specific binder for recombination and repair.
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