Articles from reinforced plasticized polyvinyl halide resin

Details Articles from reinforced plasticized polyvinyl halide resin Articles from reinforced plasticized polyvinyl halide resin

1994-05-09

1995-12-26

Mulcahy, Peter D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524296, 524297, C08L 2700

Patent

active

054788820

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 composition 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 composition 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 (1974-05-01), Heiberger
patent: 4313985 (1982-02-01), Narita

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