Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1985-12-20
1986-09-16
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
C25D 1306, C25D 1310
Patent
active
046120980
ABSTRACT:
Novel coating compositions are disclosed which comprise aqueous dispersions of polyamine resins in the form of their acid salts along with azetidinedione crosslinking agents and other optional adjuvants.
The compositions give rise to improved methods for the electrodeposition of heat-curable films on substrates.
The compositions and methods find particular utility in the cathodic deposition of coatings and films on automotive parts and household appliances.
REFERENCES:
patent: 3799854 (1974-03-01), Jerabek
patent: 3925181 (1975-12-01), McGinniss
patent: 3947339 (1976-03-01), Jerabek et al.
patent: 3975251 (1976-08-01), McGinniss
Dai Shenghong A.
Sherwood Philip W.
Rose James S.
The Dow Chemical Company
Williams Howard S.
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