Coating materials and compositions

C - Chemistry – Metallurgy – 08 – L

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402/192, 402/252

C08L 63/00 (2006.01) C08G 59/42 (2006.01) C08G 59/62 (2006.01) C08G 63/12 (2006.01) C08G 63/42 (2006.01) C09D 5/44 (2006.01) C09D 163/00 (2006.01)

Patent

CA 1093740

A B S T R A C T Process for the preparation Or resinous compounds, suitable for making water-dilutable coating compositions, which resinous compounds have an acid value of at least 35 mg KOH/g and having at least 200 milli-equivalents aliphatic hydroxyl per 100 g, by reacting at temperatures from 100 to 150°C a cyclic dicarboxylic acid anhydride with an epoxy resin ester having at least 260 milli- equivalents aliphatic hydroxyl per 100 g.

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