Recyclable thermoplastic foam with a high glass transition tempe

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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Details

521180, 521182, 521189, C08J 908

Patent

active

054079667

ABSTRACT:
The present invention relates to thermoplastic foams in which .beta.-ketocarboxylic acids, .beta.-ketocarboxylic acid esters or tert.-butyl esters of organic acids are used as the foaming agents.

REFERENCES:
patent: 3277029 (1966-10-01), Chadwick et al.
patent: 3688985 (1972-09-01), Engel
patent: 4572740 (1986-02-01), Kretzschmann et al.
patent: 5084484 (1992-01-01), Nintz et al.
patent: 5162380 (1992-10-01), Hori et al.
patent: 5223546 (1993-06-01), Morita

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