B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/34 (2006.01) B32B 1/08 (2006.01) B32B 27/08 (2006.01) C08L 77/00 (2006.01) C08L 77/04 (2006.01) F16L 9/12 (2006.01) F16L 11/04 (2006.01)
Patent
CA 2170579
A thermoplastic multilayer composite material having improved thermal and mechanical properties is disclosed. The material consists at least of: I. a layer of a polyvinylidene fluoride moulding composition, II. a layer directly adjacent to the layer I. and comprising a moulding composition based on a mixture of polyamide and polyglutarimide, III. a layer of a coupling agent containing reactive groups, and IV. a layer directly adjacent to the layer III. and comprising a polyolefin moulding composition, with adjacent layers being firmly bonded to one another. The composite material is useful for producing for example pipes.
Ries Hans
Rober Stefan
Degussa Ag
Fetherstonhaugh & Co.
Huls Aktiengesellschaft
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