Polymerizable unsaturated polyester compositions useful in the manufacture of multilayer laminates and laminates prepared therefrom
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United States of America Patent
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May 6, 1980
Grant Date -
N/A
app pub date -
Jan 2, 1979
filing date -
Jan 5, 1978
priority date (Note) -
Expired
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Abstract
Polymerizable unsaturated polyester compositions are provided, particularly useful in the manufacture of multilayer laminates, consisting essentially of (1) a polyester of a polyhydric alcohol and a polycarboxylic acid, at least one of which is ethylenically unsaturated; (2) a monomer copolymerizable with the unsaturated polyester and having a boiling point below 150.degree. C.; (3) an additive forming a film on the polyester surface that inhibits volatilization of monomer from the polyester composition; and (4) a hydrophobic compound soluble at least in part both in the unsaturated polyester and in the film-forming additive that either (a) has an isoprene unit structure, or (b) is acyclic and has at least one ester and/or ether bond; and at least two terminal hydrocarbon groups, each with at least one ethylenically unsaturated group.
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