Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1980-12-15
1982-05-18
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 93, 521 97, 521147, C08J 900
Patent
active
043306357
ABSTRACT:
The invention relates to a foamable polymeric composition comprising a copolymer of alkenyl aromatic and alkenyl nitrile monomers, optionally a diene rubber grafted with said monomers and a foaming agent selected from a polybasic acid group. A method for foaming said polyblend is also disclosed.
REFERENCES:
patent: 2911382 (1959-11-01), Barkhuff, Jr. et al.
patent: 3277029 (1966-10-01), Chadwick et al.
Farrington William J.
Foelak Morton
Matukaitis Paul D.
Monsanto Company
Nelson Joseph S.
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