B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/140, 154/71,
B32B 27/08 (2006.01) H01B 3/30 (2006.01) H01B 3/44 (2006.01) H01B 7/28 (2006.01) H01B 7/29 (2006.01) H05K 1/03 (2006.01)
Patent
CA 2027581
2027581 9009853 PCTABScor01 A multi-layer film of improved adhesive strength and other properties is made by combining a layer of polyimide and one or more layers of fluoropolymer selected from the group consisting of PTFE, thermally compatible TFE copolymers, blends thereof, PVF2, thermally compatible VF2 copolymers, blends thereof, PCTFE, thermally compatible CTFE copolymers, and blends thereof. It has been found that the peel adhesion between the polyimide layer and any fluoropolymer layer is greatly improved over known products. Laminated composites of improved adhesion and cohesion are made using such a multi-layer film and at least one fluoropolymer film. The fluoropolymer film is thermally weldable to the polyimide film.
Effenberger John A.
Koerber Keith G.
Lupton E. C. Jr.
Chemical Fabrics Corporation
Effenberger John A.
Koerber Keith G.
Lupton E. C. Jr.
Ridout & Maybee Llp
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