Thermoformable, high impact low-smoke plastic

Details Thermoformable, high impact low-smoke plastic Thermoformable, high impact low-smoke plastic

1978-12-18

1980-07-22

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525 81, 525 82, 525 85, 260 4575T, C08L 2328, C08L 2724, C08L 3308, C08L 5100

Patent

active

042138914

ABSTRACT:
A plastic composition which emits a reduced amount of smoke when heated to flame temperature is thermoformable and high impact resistant is made by blending chlorinated polyvinyl chloride, a mixture of chlorinated polyethylenes, an alkyl acrylate polyvinyl chloride copolymer, and a mixture of a tin process aid and heat stabilizer. The plastic has application in thermoformed, high impact trim parts in aircraft and mass transit vehicles. The reduced amount of smoke emitted when the plastic reaches high temperature aids occupants of a plane or mass transit vehicle to visually find the high temperature source and/or to find their way to an exit when a fire, electrical short circuit or other high temperature condition occurs.

REFERENCES:
patent: 3299182 (1967-01-01), Jennings et al.
patent: 3334156 (1967-08-01), Calentine et al.
patent: 3488406 (1970-01-01), Sehm

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