Cellular vinyl halide resin compositions and a process for their

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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C08J 902

Patent

active

039869890

ABSTRACT:
Cellular vinyl halide resin compositions are prepared by adding to a vinyl halide resin plastisol a chemical blowing agent, such as azodicarbonamide, and an activator for the blowing agent that contains a zinc salt and a strontium salt and heating the resulting composition at a temperature at which the blowing agent will decompose and the vinyl halide resin will fuse.

REFERENCES:
patent: 3197423 (1965-07-01), Ackerman
patent: 3394090 (1968-07-01), Hayer
patent: 3736273 (1973-05-01), Hatano et al.

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