Phase stabilized polyester molding material

Details Phase stabilized polyester molding material Phase stabilized polyester molding material

C - Chemistry, Metallurgy

08

L

400/4301, 400/55

C08L 67/06 (2006.01) C08G 18/68 (2006.01) C08K 5/09 (2006.01) C08K 5/092 (2006.01)

Patent

CA 1267988

ABSTRACT The present invention relates to the discovery and development of a novel class of phase stabilization additives for thermoset polyester resins. The use of these materials imparts improved glass read out and superior homogeneity when compared to art-disclosed systems thus producing an overall improved Class A quality thermoset polyester resin surface finish for a variety of products. The phase-stabilizing agents or additives of the present invention comprises a select group of compounds from three classes; fatty acids, dimer acids, and polyester polyols. More specifically, the phase-stabilizing agents of the present invention comprises a compound select from the group consisting of: (i) a saturated or unsaturated C5 to C28 fatty acid; (ii) a C20 to C54 dimer acid or timer acid; or (iii) a polyester polyol having an average molecular weight of 200 to about 6,500.

513339

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