Polymeric film

Details Polymeric film Polymeric film

B - Operations, Transporting

32

B

B32B 5/30 (2006.01) B32B 27/08 (2006.01) B32B 27/20 (2006.01) B65D 65/38 (2006.01) C08K 3/34 (2006.01) C08K 3/40 (2006.01)

Patent

CA 2068768

836353 Abstract Polymeric Film A polymeric film, particularly a polyester film, comprising an essentially unfilled primary layer substrate and a filled secondary layer exhibiting an improved combination of transparency and handling properties. The filler is a mixture of glass and silica particles. The glass particles have a volume distributed median particle diameter of 1.0 to 7.0 µm and are present in the secondary layer at a concentration of 50 to 1000 ppm, whilst the silica particles are present in the range 200 to .2000 ppm and have an average primary particle size of 0.01 to 0.09 µm. The film is suitable for use in a wide range of applications, particularly for information storage and display. -

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