B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/666
B29C 67/20 (2006.01) C08J 9/12 (2006.01)
Patent
CA 1259155
ABSTRACT Styrene polymer foam is prepared using a mixed blowing agent of carbon dioxide plus ethyl chloride and optionally a fluorocarbon to provide a foam having primary cells and secondary cells formed in the struts and walls.
505787
Kennedy John M.
Suh Kyung W.
Smart & Biggar
The Dow Chemical Company
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