C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
403/57
C08K 5/09 (2006.01) C08F 299/04 (2006.01) C08J 9/10 (2006.01) C08L 67/06 (2006.01)
Patent
CA 1210899
ABSTRACT OF THE INVENTION A foamable and simultaneously curable polyester composi- tion is disclosed, said composition consisting essentially of, all parts being by weight: (a) 100 parts liquid unsaturated polyester resin; (b) 0.5 to 10 parts monosubstituted sulfonyl hydrazide having the formula RSO2NHNH2, wherein R is C1-C12 alkyl, C5-C6 cycloalkyl, C7-C10 aralkyl, phenyl, naphthyl, or phenyl substituted with halogen, C1-C12 alkyl or C1-C12 alkoxy; (c) 0.1 to 5.0 parts of a promoter, said promoter con- sisting essentially of a mixture of organic heavy metal salt and organic alkali metal salt, wherein the heavy metal/alkali metal molar ratio is from 10/1 to 1/10; (d) 0 to 2 parts surfactant; (e) 0 to 250 parts of filler; and (f) 0.3 to 5 parts of a cross-linking initiating compound selected from organic peroxides and organic hydro- peroxide.
431467
Gowling Lafleur Henderson Llp
Uniroyal Inc.
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