Stabilized cationic latex

Details Stabilized cationic latex Stabilized cationic latex

1985-03-27

1986-04-01

Griffin, Ronald W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524901, 2041817, C09D 544, C09D 358

Patent

active

045798893

ABSTRACT:
Mechanical stability and coating characteristics of structurally cation-active, film-forming latex, especially useful in electrodeposition coatings can be improved by the addition of small stabilizing amounts of linear cationic amine-modified epoxy resin having tertiary amine functionality and base number in the range of 30-500. Such stabilized latex remain substantially non-agglomerated even after being subjected to pumping and shear. The improved latex and process circumvent the purification steps, i.e. ion exchange and also ultrafiltration, often required treatments to render latex compositions suitable for electrodeposition coatings. The thickness of the film electrodeposited on the metal can be controlled by proper selection of the stabilizer amount and/or system voltage.

REFERENCES:
patent: 3640935 (1972-02-01), Abriss
patent: 4172062 (1979-10-01), Sekmakas et al.
patent: 4198495 (1980-04-01), Sekmakas et al.
patent: 4297261 (1981-10-01), Jozwiak

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