Expanded shaped article comprising a heat resistant synthetic re

Details Expanded shaped article comprising a heat resistant synthetic re Expanded shaped article comprising a heat resistant synthetic re

1982-08-30

1984-01-03

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 53, 264DIG9, 521 56, 521 59, 521 60, 521139, C08J 918, C08J 920

Patent

active

044242867

ABSTRACT:
An expanded shaped article of a heat resistant synthetic resin comprising 20 to 100 weight percent tertiary butyl styrene and 80 to 0 weight percent other monomers polymerizable therewith, and containing volatile foaming agent, wherein expandable particles of said resin are pre-expanded by application of heat and then molded by application of heat to produce shaped articles. Extrusion foaming may be used to form the article.

REFERENCES:
patent: 3058928 (1962-10-01), Eichhorn et al.
patent: 3058929 (1962-10-01), Vanderhoff et al.
patent: 3461088 (1969-08-01), Stahnecker et al.
patent: 4032481 (1977-06-01), Pillar
patent: 4277567 (1981-07-01), Keyworth et al.

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