Coating process

Details Coating process Coating process

1989-05-08

1990-06-26

Lusignan, Michael

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

4273884, 428461, B05D 302, B27N 502

Patent

active

049371142

ABSTRACT:
An aluminium or tinned-steel can for carbonated beverage is protected by a low-temperature curing lacquer.
The lacquer is applied as an aqueous coating formulation of ethylene maleic acid copolymer (containing KOH to promote decarboxylation) plus some poly(acrylic acid) to promote coherent-film-forming ability plus a diol cross-linking agent to reduce the water-sensitivity.
The coated substrate is heat-cured at the relatively low temperature of 200.degree. C. for 10 minutes.

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