C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
403/57, 403/84
C08K 3/00 (2006.01) C08J 9/10 (2006.01) C08K 5/00 (2006.01) C08L 67/06 (2006.01)
Patent
CA 1211900
-i- ABSTRACT OF THE DISCLOSURE Low density foams are prepared from an admixture which comprises a medium which is polymerizable and/or crosslinkable by free radical initiation, a t-alkylhydrazinium salt blowing agent, a peroxide curing agent, a suitable surfactant, and at least one transition metal salt promoter wherein at least one of the metal salts is a compound of iron or copper. The t-alkylhydrazinium salt blowing agent in the presence of an effective amount of the transitional metal salt promoter improves the efficiency of the process.
430801
Atofina Chemicals Inc.
Borden Ladner Gervais Llp
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