Polymeric article having improved hydrophilicity and a method of

Details Polymeric article having improved hydrophilicity and a method of Polymeric article having improved hydrophilicity and a method of

1996-06-14

1999-08-17

Le, H. Thi

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

4273977, 427577, 427579, 428328, 428329, 428330, 428331, 428332, 428336, 428913, B32B 516, B05D 302

Patent

active

059391820

ABSTRACT:
A hydrophilic polymeric article has metal oxide particles dispersed throughout a polymeric binder material. A major surface of the polymeric material is treated so as to remove polymeric binder to provide a higher ratio of metal to carbon atoms on the major surface of the polymeric article relative to its interior. The polymeric article provides extraordinary water-spreading effects on the major surface, making the article particularly suitable for use as a surface covering on a retroreflective sheeting.

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