Process for producing a composite lightened product

Details Process for producing a composite lightened product Process for producing a composite lightened product

1985-09-09

1987-06-30

Anderson, Philip

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

264 41, 264 455, B29C 5504, B29D 900

Patent

active

046769420

ABSTRACT:
A homogeneous composite material comprising at least one external layer of thermosetting polymer, a layer of lightened thermoplastic polymer, and intermediate between the two layers, a homogeneous layer formed by polymerizing a monomer which is a diluent for the said lightened polymer; such that the monomer polymerizes to form an intimate blend at the interface of said polymers. The invention also comprises a process for producing the above said composite material.

REFERENCES:
patent: 2863797 (1958-12-01), Meyer
patent: 2878153 (1959-03-01), Hacklander
patent: 3764642 (1973-10-01), Boutillier
patent: 3940524 (1976-02-01), Hoppe et al.
patent: 4124670 (1978-11-01), Cecka et al.
patent: 4194280 (1980-03-01), Gondouin
patent: 4330494 (1982-05-01), Iwata et al.
patent: 4511523 (1985-04-01), Hsu
patent: 4544518 (1985-10-01), Lindskog
patent: 4548861 (1985-10-01), Barnes et al.
patent: 4560523 (1985-12-01), Plumley et al.

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