Process for producing an ultraviolet radiation stabilized polyme

Details Process for producing an ultraviolet radiation stabilized polyme Process for producing an ultraviolet radiation stabilized polyme

1980-09-15

1982-04-06

Hoffman, James R.

Coating processes

Coating has x-ray, ultraviolet, or infrared properties

427384, B05D 702, B05D 302, B05D 724

Patent

active

043235972

ABSTRACT:
A process for producing an ultraviolet radiation stabilized polymeric, particularly polycarbonate, article comprising impregnation of the surface layers of said article with an ultraviolet radiation absorber by first applying onto the surface of said article an ultraviolet radiation stabilizing composition containing an ultraviolet radiation absorber and a nonaggressive liquid carrier, and then heating the article with the stabilizing composition on its surface to a temperature sufficient for said absorber to diffuse into the surface layers of said article but insufficient to deleteriously affect the properties of the polymer.

REFERENCES:
patent: 3043709 (1962-07-01), Amborski
patent: 3309220 (1967-03-01), Osteen
patent: 3617330 (1971-11-01), Peilstocker
patent: 4146658 (1979-03-01), Humphrey

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