Foamable vinyl-chloride polymers and rigid foam structures made

Details Foamable vinyl-chloride polymers and rigid foam structures made Foamable vinyl-chloride polymers and rigid foam structures made

1976-11-24

1977-08-02

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25R, 260 25P, 260 25E, 260 285D, 260876R, 260876B, 260897C, C08J 910

Patent

active

040394867

ABSTRACT:
Improved foamable polymer compositions of polyvinyl chloride and copolymers containing vinyl chloride, with little or no plasticizer, are described. The foamable polymer compositions contain polyvinyl chloride or a copolymer containing vinyl chloride, a blowing agent, and a high density, high molecular weight polyethylene. The compositions may also contain stabilizers, lubricants, activators, and inorganic fillers or pigments. Rigid low density foam products are made from these compositions.

REFERENCES:
patent: 3211677 (1965-10-01), Field et al.
patent: 3442837 (1969-05-01), Broty et al.

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