Polyester foam materials

Details Polyester foam materials Polyester foam materials

C - Chemistry, Metallurgy

08

J

2/114, 403/56, 4

C08J 9/08 (2006.01) C08J 9/00 (2006.01) C08K 3/26 (2006.01) C08L 67/00 (2006.01)

Patent

CA 1092300

POLYESTER FOAM MATERIALS Thomas A. DesMarais A B S T R A C T Resilient polyester foam materials. Acyl halide, polyol, and polyhydroxy cross-linking agent are reacted in the presence of alkali metal carbonate to prepare the resilient polyester foams. A process similar to that used in the one-shot preparation of polyurethane foams is used. Preferred reactants are adipyl chloride, quadrafunctional polyol based on pentaerythritol, propoxylated pentaerythritol cross-linking agent, and sodium carbonate. The resilient polyester foams find use in products such as catamenial tampons.

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