Ungelled polyepoxide-polyoxyalkylenepolyamine resins,...

C - Chemistry – Metallurgy – 08 – G

Patent

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402/254, 402/277

C08G 59/50 (2006.01) C08G 81/00 (2006.01) C08L 63/00 (2006.01) C09D 5/44 (2006.01)

Patent

CA 1183644

Abstract of the Disclosure Ungelled resins, aqueous dispersions of cationic resins, coating compositions, and electrodeposition using the resinous coating compositions are disclosed. The resins are formed from reacting polyepoxides with poly- oxyalkylenepolyamines. The aqueous dispersions are prepared by at least partially neutralizing the resins to provide cationic groups and dispersing the cationic resins in aqueous medium. When added to cationic electrode- positable coating compositions, such as high throwpower compositions, the ungelled cationic resins provide better appearing, more flexible and water- resistant electrodeposited coatings.

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