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Title: Ungelled polyepoxide-polyoxyalkylenepolyamine resins, aqueous dispersions thereof, and their use in cationic electrodeposition

Abstract: 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 polyoxyalkylenepolyamines. 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 electrodepositable 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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Inventors: Moriarity, Thomas C. (Allison Park, PA)
Geiger, William J. (New Kensington, PA)

Application Number: 06/420552
Filing Date: 1982-09-20
Publication_date: 1983-12-27
Assignee: PPG INDUSTRIES INC (US)

Primary Class(es): 523/414 528/418, 204/501, 523/416, 523/404, 523/415, 524/901,
Other Classes: C08L63/00; C09D5/44; C08L63/02; C08G59/14
US Patent Ref:
3316185April, 1967Reinking260/2Curable polyepoxide compositions containing a glycol diamine
3380881April, 1968Williamson et al.161/185Curable compositions comprising a polyepoxide and a glycol polyamine
3462393August, 1969Legler260/47EPOXY RESIN WITH DIAMINE OF POLYOXYPROPYLENE GLYCOL AND METHOD OF CURE
3496138February, 1970Sellers et al.260/47ADDUCTS OF POLYGLYCOL DIAMINES AND CURABLE COMPOSITIONS COMPRISING POLYEPOXIDES AND SAID ADDUCTS
3553111January, 1971Ginilewicz et al.260/2
3963663June, 1976Sekmakas260/29.3Electrodeposition of thermosetting coatings at the cathode
3975250August, 1976Marchetti et al.204/181Electrodeposition with reactive modifier for amine group-containing, acid-solubilized resins
4093594June, 1978Anderson260/47EPProcess for preparing cathodically depositable coating compositions
4115226September, 1978Zwack et al.204/181CCataphoretic electrodeposition baths containing water-soluble lead salts
4116900September, 1978Belanger260/18EPCathodic electrocoating resin system from polyepoxide, polyamine, and monoepoxide
4179552December, 1979Waddill528/111Process for accelerated cure of epoxy resins
4186124January, 1980Schimmel et al.260/37EPNovel pigment grinding vehicle
4227982October, 1980Sekmakas et al.204/181CElectrodeposition of aqueous dispersions of copolymers of polyethylenically unsaturated epoxy-amine

Other Refs: AU242198
June, 1960

Primary Examiner: Pertilla, Theodore E.
Assistant Examiner:
Attorney: Uhl, William J.
Parent Case Data:

This is a continuation of application Ser. No. 284,865, filed July 20, 1981, now abandoned.