Electrocoating process using shear stable cationic latex

Details Electrocoating process using shear stable cationic latex Electrocoating process using shear stable cationic latex

1985-06-21

1986-08-26

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 1306

Patent

active

046081399

ABSTRACT:
Cationic electrocoat latices, containing blocked isocyanate crosslinker and which are usually unstable toward pumping and shear forces, can be stabilized by conducting the emulsion polymerization in a solvent-water mixture containing from about 20 to 30 percent solvent. Ethanol is a preferred solvent. Preferably the crosslinker is first emulsified and then added to the emulsion polymerization system prior to or during polymerization to produce mechanically stable latex that is virtually free of grit.

REFERENCES:
patent: 4017372 (1977-04-01), Wagener et al.

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