Polyester compositions with improved properties

Details Polyester compositions with improved properties Polyester compositions with improved properties

C - Chemistry, Metallurgy

08

L

400/4007, 400/43

C08L 67/06 (2006.01) C08F 299/04 (2006.01)

Patent

CA 1340666

Resin compositions suitable for molding are disclosed which comprise (a) a polyester resin comprising the reaction product of an olefinically unsaturated dicarboxylic acid or anhydride with a polyol, in which no more than 30 molar percent of the unsaturated acid or anhydride can be replaced with a non-crosslinkable acid: (b) an ethylenically unsaturated monomer: (c) a polymeric low profile additive and (d) a multifunctional material with an r1 value relative to styrene of at least one double bond of equal to or less than 1 comprising a molecule with two or more acrylic acid ester or methacrylic acid ester groups or two or more vinyl groups. The compositions may additionally comprise (e) an epoxy monomer free of reactive unsaturation and/or (f) a secondary crosslinkable monomer with an r1 value relative to styrene of greater than 1.

606148

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