Reaction products of terephthalic acid residues and...

Details Reaction products of terephthalic acid residues and... Reaction products of terephthalic acid residues and...

C - Chemistry, Metallurgy

07

C

154/123, 403/9,

C07C 69/82 (2006.01) C08G 18/42 (2006.01) C08G 63/672 (2006.01)

Patent

CA 1260494

REACTION PRODUCTS OF TEREPHTEALIC ACID RESIDUES AND POLYCARBOXYLIC ACID-CONTAINING POLYOLS AND POLYMERIC FOAMS OBTAINED THEREFROM ABSTRACT A polyester polyol mixture is prepared by reacting a polycarboxylic acid component-containing polyol with a terephthalic acid residue, wherein the polycarboxylic acid component has ring units with two Image groups on adjacent or alternate ring positions, the ring unit content of the polycarboxylic acid component being sufficient for viscosity reduction of the polyester polyol mixture. The polyester polyol mixture is useful in the preparation of cellular foam materials, particu- larly polyisocyanurate and polyurethane foams, and laminates thereof.

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