Preparing laminated thermoplastics stabilized with bisbenzopheno

Details Preparing laminated thermoplastics stabilized with bisbenzopheno Preparing laminated thermoplastics stabilized with bisbenzopheno

1993-03-10

1994-04-26

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264211, 4251311, 4251335, 425462, 428412, B29C 4706

Patent

active

053064569

ABSTRACT:
Thermoplastic articles, preferably of polycarbonate, are advantageously stabilized by selected bisbenzophenone UV absorbers concentrated in the outer surface or coating layers of the article prepared by coextrusion techniques.

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