Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate
Patent
1998-12-07
2000-05-23
Pianalto, Bernard
Coating processes
Direct application of electrical, magnetic, wave, or...
Pretreatment of substrate or post-treatment of coated substrate
427332, 427595, B05D 306
Patent
active
060663707
ABSTRACT:
A method is described for the adhesion of a coating (3) on a surface (2) of a substrate (1) of a polyalkylene, such as polypropylene. The method comprises a first deep UV exposure in an inert atmosphere, and a second deep UV exposure in an oxidizing atmosphere. Between the two exposure steps, the substrate surface (2) is rinsed with an organic solvent. Such a rinsing step increases the adhesion of the coating and reduces the total exposure time.
Pianalto Bernard
Spain Norman N.
U.S. Philips Corporation
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