Cathodic electrodeposition coatings having an additive for impro

Details Cathodic electrodeposition coatings having an additive for impro Cathodic electrodeposition coatings having an additive for impro

1992-12-09

1994-05-24

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041817, 523453, 523415, 524901, C25D 1310

Patent

active

053145941

ABSTRACT:
An improved aqueous electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of an effective amount of an additive of an alkyl thioester or a polymeric product of an epoxy resin, polyalkylene glycol and a sugar to form an electrocoating composition that has significantly improved throwing power and provides a coating that has the necessary properties such as chip, solvent and corrosion resistance.

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patent: 4294741 (1981-10-01), Bosso
patent: 4419467 (1983-12-01), Wismer et al.
patent: 4468307 (1984-08-01), Wismer et al.
patent: 4983454 (1991-01-01), Hiraki et al.
patent: 5145893 (1992-09-01), Galbo et al.
patent: 5205916 (1993-04-01), Chung et al.

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