LAMINATE
The purpose of the present invention is to provide a laminate having excellent adhesiveness, workability, oil resistance, heat resistance, and moist heat resistance. This is achieved by a laminate having a film A, a film B, and a film C in this order with adhesive layers therebetween (where the adhe...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The purpose of the present invention is to provide a laminate having excellent adhesiveness, workability, oil resistance, heat resistance, and moist heat resistance. This is achieved by a laminate having a film A, a film B, and a film C in this order with adhesive layers therebetween (where the adhesive layer between the film A and the film B is adhesive layer AB, and the adhesive layer between the film B and the film C is adhesive layer BC), wherein: the maximum value of thermal shrinkage of the film B at 150°C for 30 minutes is 0.1-3.0%; the Martens hardness of the adhesive layer AB and the adhesive layer BC is 1.0-4.0 N/mm2; and when the laminate is heat treated by immersion in automatic transmission fluid at 150°C for 10 hours, the adhered surface area ratio of the film A and the film B with the adhesive layer AB therebetween, and the adhered surface area ratio of the film B and the film C with the adhesive layer BC therebetween are both not less than 95%. |
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