Thermoformable polyaryletherketone/polyvinyl fluoride laminates

Details Thermoformable polyaryletherketone/polyvinyl fluoride laminates Thermoformable polyaryletherketone/polyvinyl fluoride laminates

1988-12-13

1990-06-26

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428220, 428421, B32B 702, B32B 2708

Patent

active

049371355

ABSTRACT:
A thermoformable laminate comprising (1) a polyaryletherketone sheet having repeating units derived from diphenyl ether having attached to one of the phenyl rings either a 1,4-phenylenedicarbonyl group or a 1,3-phenylenedicarbonyl group, the ratio of 1,4-phenylenedicarbonyl groups to 1,3-phenylenedicarbonyl groups being 70:30 to 0:100, preferably 60:40 to 0:100, especially 60:40 to 50:50, the sheet thickness being about 625-5000 micrometers, and (2) a polyvinyl fluoride film having a thickness of about 12.8 to 204 micrometers can be thermoformed at a temperature of about 160.degree.-200.degree. C., especially 170.degree.-195.degree. C. One important application of such thermoformable sheets is in fabricating three-dimensional panels for aircraft interiors.

REFERENCES:
patent: 3065205 (1962-11-01), Bonner
patent: 3265678 (1966-08-01), Hecht
patent: 3441538 (1969-04-01), Marks
patent: 3442857 (1969-05-01), Thornton
patent: 4578427 (1986-03-01), Saito et al.
patent: 4624886 (1986-11-01), Cogswell et al.
patent: 4657717 (1987-04-01), Cattanach et al.
patent: 4662887 (1987-05-01), Turner et al.
patent: 4816556 (1989-03-01), Gay et al.

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