Low molar mass aliphatic polyester polyols, their...

Details Low molar mass aliphatic polyester polyols, their... Low molar mass aliphatic polyester polyols, their...

C - Chemistry, Metallurgy

08

G

C08G 63/685 (2006.01) C08G 63/00 (2006.01) C08L 33/14 (2006.01) C08L 67/03 (2006.01) C09D 133/14 (2006.01) C09D 167/03 (2006.01)

Patent

CA 2351750

Low molar mass polyester polyols having a weight average molar mass M w of up to 3500 g/mol, hydroxyl numbers of from 80 to 280 mg/g and acid numbers of from 5 to 40 mg/g, comprising structural units derived from aliphatic monocyclic or polycyclic compounds containing at least two hydroxyl and/or epoxide groups and at least one heteroatom, aliphatic acyclic or cyclic polyhydroxy compounds containing three or more hydroxyl groups per molecule, linear or branched aliphatic dihydroxy compounds and aliphatic cyclic polycarboxylic acids, alone or in a mixture with low molar mass acrylate copolymers, may be processed to give coating materials which dry rapidly, and result in defect-free surfaces.

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