Stock material or miscellaneous articles – Composite – Of metal
Patent
1992-10-27
1993-11-02
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Composite
Of metal
428518, 428520, B32B 1508
Patent
active
052582329
ABSTRACT:
Compositions, composite articles and process for producing same are provided from a reinforced polyvinyl halide composition (A) comprising a high molecular weight polyvinyl halide resin, a plasticizer, and a reinforcement material, such as glass fibers, in combination with (B) a composition having adhesion to (A). Preferably (B) comprises a thermoplastic compound selected from the group consisting of PVC, plasticized PVC, styrene derivatives, urethane derivatives, acrylic derivatives, acrylonitrile derivatives, polyester derivatives, and mixtures thereof, with the most preferred composition being an unreinforced, plasticized polyvinyl halide composition. The composite article exhibits good strength, low sag at high use temperatures, and lowered coefficient of thermal expansion for use in contact with metal or polymeric substrates such as panels. The composite having a coefficient of thermal expansion not significantly different than the substrates in contact therewith, provides enhanced permanence of adhesion and sag resistance.
REFERENCES:
patent: 3892692 (1975-07-01), Heiberger
patent: 4291076 (1981-09-01), Katoh
patent: 4978490 (1988-09-01), Jackson
Blayne Jerome J.
Kazmer Bryan M.
Summers James W.
Dearth Miles B.
Herbert, Jr. Thomas J.
The Geon Company
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