Dual cure coating compositions

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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Details

20415919, 20415921, C08F 818, C08G 1800, C08G 202

Patent

active

043774571

ABSTRACT:
Dual cure coating compositions are prepared by one of the following techniques: aminoplast crosslinking with residual hydroxy present on extended acrylated or UV cure polymers; oxidative crosslinking of backbone drying oil unsaturation following UV cure; or by employing UV chain extension via reaction of pendent allylic group with polymercaptans followed by a melamine heat cure. The coatings are cured by UV exposure followed by heating or air drying.

REFERENCES:
patent: 3850989 (1974-11-01), Havinga et al.
patent: 3899611 (1975-08-01), Hall
patent: 4172157 (1979-10-01), Nowak et al.

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