Process for surface modification of polymer articles

Details Process for surface modification of polymer articles Process for surface modification of polymer articles

1986-12-23

1988-09-13

Bell, Janyce

Coating processes

Coating has x-ray, ultraviolet, or infrared properties

427331, 427336, 427353, 427377, 4274301, 4274342, B05D 500

Patent

active

047709057

ABSTRACT:
A process for modifying the surface region of a polymer article by incorporating one or more ingredients therein. Such ingredients may be ultraviolet light stabilizers, antioxidants, anti-static agents, pigments and the like. The polymer article, e.g. a sheet of polyvinyl chloride, is immersed in a liquid (e.g. water) and the immersed article is contacted with a solution of the ingredient in a solvent. The liquid must be one which is non-aggressive towards the article and must also be immiscible with the solvent. Any residual solution remaining on the contacted surface may be displaced therefrom, preferably by directing a jet of water onto the contacted surface, while avoiding escape of any solvent into the atmosphere.

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Katz, M. et al. A.C.S. Div. Org. Coatings & Plastics (1976) 36, (1) 202-206.
Katz, M. et al., Soc. Plast. Eng., Technical Papers (1976) 22, pp. 511-512.

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