Polyester

Details Polyester Polyester

C - Chemistry, Metallurgy

08

G

402/186, 403/36,

C08G 63/00 (2006.01) C08G 18/42 (2006.01) C08G 63/20 (2006.01) C08G 63/42 (2006.01) C08J 9/00 (2006.01) C08L 67/00 (2006.01) C08L 75/04 (2006.01) C08L 75/06 (2006.01)

Patent

CA 2021687

A-17674/-/MA 1969 Abstract of Disclosure Polyester The present invention provides a polyester which has an acid value below 3 mg KOH/g and which is derived from: I (A) an aromatic component which contains 4 carboxyl groups or an anhydride thereof and, optionally, (B) one or more components which contain 2 to 12 carboxyl groups or 1 to 6, carboxylic anhydride groups, selected from: (B1) an aliphatic carboxylic acid component containing 2-16 carbon atoms; (B2) a cyclic non-aromatic carboxylic acid containing 7-16 carbon atoms; and (B3) an aromatic carboxylic acid containing 8-16 carbon atoms; II optionally (C) at least one aliphatic, cycloaliphatic or aromatic polyhydroxyl component containing 2 to 8 hydroxyl groups; and III (D) an alkylene oxide. The polyesters are useful as smoke and toxic gas suppressants for polyurethanes.

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