Novel method for reducing the processing temperature of thermopl

Details Novel method for reducing the processing temperature of thermopl Novel method for reducing the processing temperature of thermopl

1979-06-18

1982-02-02

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 318R, 260 37R, 521 90, 521 93, 521 97, 521134, 521180, 525 69, 525 70, 525146, 525413, C08L 9100

Patent

active

043138730

ABSTRACT:
The present invention pertains to a method for reducing the processing temperature of a thermoplastic polymer comprising blending the thermoplastic polymer in powder form with an effective amount of a compound having a softening temperature of about 20.degree. to 200.degree. C. lower than the softening temperature of the thermoplastic polymer. The invention further pertains to novel chemical blowing agent concentrates.

REFERENCES:
patent: 3398212 (1968-08-01), Jackson, Jr. et al.
patent: 3763059 (1973-10-01), Needham
patent: 3846523 (1974-11-01), Geerdes
patent: 4097421 (1978-06-01), Chang
"Polyesters", Goodman et al., vol. 1, 1965, London, Iliffe Books Ltd., pp. 2, 3, 142 and 143.
"The Merck Index", Ninth Edition, Merck & Co. Inc., pp. 1310, 215 and 216.

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