C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 67/06 (2006.01) B32B 27/36 (2006.01) C08J 5/00 (2006.01) C08K 3/28 (2006.01) C08K 5/17 (2006.01) C08K 5/32 (2006.01) C08K 5/378 (2006.01)
Patent
CA 2454715
The present invention relates to a finished resin composition containing (a) an unsaturated polyester, b) a polymerizable monomer, (c) a promoter system, and (d) a composite stabilizer; wherein the composite stabilizer is a hydroxylamine oxide and aromatic antioxidant and, optionally, a hydroxylamine and is present at 0.001-0.5 parts per 100 parts of the finished UPE resin. The stabilizing system improves processing stability by preventing gel- particle formation, improved storage stability of the curing compositions by inhibiting formation of overhead popcorn and suppressing drifts of resin viscosity and gel time.
Alford Daniel Jr.
Lou Jianfeng
Atofina Chemicals Inc.
Borden Ladner Gervais Llp
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