Process for the production of composite structures

Details Process for the production of composite structures Process for the production of composite structures

1991-02-20

1992-10-13

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264319, 264331190, C08G 1800, B32B 502

Patent

active

051548712

ABSTRACT:
Composite structures are produced by placing at least two flat, thermoplastically formable plastic materials one above the other and thermoplasticially molding the materials under sufficient conditions of temperature and pressure that molding is accompanied by intimate union of individual layers of the structure. At least one of the plastic materials is based on a polyisocyanate polyaddition product having a density of at least 0.8 g/cm.sup.3 and is prepared by reacting:

REFERENCES:
patent: 3539424 (1970-11-01), Tashlick
patent: 3746611 (1973-07-01), Joy
patent: 4218543 (1980-08-01), Weber et al.
patent: 4774263 (1988-09-01), Weber et al.
patent: 4774264 (1988-09-01), Weber et al.
Becker/Braun, Kunststoff-Handbuch, vol. 7, "Polyurethane", Carl Hanser Verlag, Munich/Vienna, 1983, pp. 406, et seq.

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