Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1993-12-21
1996-01-02
Nakarani, D. S.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428480, B32B 516, B32B 2706, B32B 2736
Patent
active
054807158
ABSTRACT:
A polyester film comprising an essentially unfilled primary layer and a filled secondary layer exhibiting an improved combination of transparency and handling properties. The filler is silicone resin particles having a volume distributed median particle diameter of 1.9 to 3.5 .mu.m, which are present in the secondary layer at a concentration of 200 to 400 ppm, in combination with silicone resin particles having a volume distributed median particle diameter of 0.6 to 0.9 .mu.m, which are present in the secondary layer at a concentration of 100 to 250 ppm. The film is suitable for use in a wide range of applications, particularly for information storage and display.
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Mills Paul D.
Rakos Karl
Chen Vivian
Imperial Chemical Industries plc
Nakarani D. S.
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