C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01) C08L 25/06 (2006.01)
Patent
CA 2656066
A blowing agent for thermoplastic foams such as extruded polystyrene foam is disclosed. The blowing agent is a blend of a low solubility blowing agent, such as 1,1,1,2-tetrafluoroethane, and a dichloroethylene such as trans-1,2-dichloroethylene. The blowing agent combination enhances processibility of thermoplastic foam.
La présente invention concerne un agent d'expansion pour mousse thermoplastique telle que du polystyrène extrudé. L'agent d'expansion est un mélange d'un agent d'expansion à faible solubilité tel que le 1,1,1,2-tétrafluoréthane et d'un dichloréthylène tel que le trans-1,2-dichloréthylène. La combinaison d'agents d'expansion améliore la capacité de traitement d'une mousse thermoplastique.
Bertelo Christopher A.
Van Horn Brett L.
Arkema Inc.
Borden Ladner Gervais Llp
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