Process for priming a surface and article

Details Process for priming a surface and article Process for priming a surface and article

2005-01-04

2005-01-04

Pianalto, Bernard (Department: 1762)

Stock material or miscellaneous articles

Composite

Of epoxy ether

C427S140000, C427S355000, C427S385500, C427S404000, C427S407100, C427S409000, C427S410000, C427S514000, C427S558000, C427S559000, C427S595000, C428S411100, C428S416000, C428S457000

Reexamination Certificate

active

06838177

ABSTRACT:
There is disclosed a process of priming a surface (preferably part of a vehicle) comprising; i) applying a UV radiation curable primer to the area to be primed; ii) curing the primer with UV radiation provided by one or more UV lamps having a UV-B:UV-A ratio of 1:1 or less and substantially no UV-C content, the UV radiation curable primer containing: A. 0-84% by weight of one or more compounds containing one ethylenically unsaturated free-radically polymerisable group per molecule; B. 5-50% by weight of one or more compounds containing two or more ethylenically unsaturated free radically polymerisable groups per molecule; C. 10-70% by weight of one or more pigments, fillers and/or dyes; D. 1-8% by weight of one or more photoinitiators; E. 0-20% by weight of volatile organic solvent and; F. 0-15% by weight of customary additives. Preferably the process also includes sanding the primer and topcoating the primer with one or more topcoats. There is also disclosed a surface whenever treated in a process of the invention.

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