B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/782, 117/114.
B29C 47/04 (2006.01) B32B 27/32 (2006.01) C09J 7/02 (2006.01) C09J 123/08 (2006.01) C09J 123/14 (2006.01)
Patent
CA 1282568
ABSTRACT OF THE DISCLOSURE A stretched multilayer polypropylene film is de- scribed, comprising a stretched crystalline polypropylene layer and a layer of a composition (Composition B) laminated on at least one side of said polypropylene layer, wherein the composition B comprises a homo- or copolymer composed mainly of ethylene, propylene or butene-1 and having a melting point of 150°C or less, and a vinylcycloalkane polymer in an amount of 0.05 wt ppm to 10 wt% calculated as a vinylcyclo- alkane unit. This multilayer film is greatly improved in optical properties such as excellent see-through properties without deteriorating its good heat sealability. Thus it is very useful for wrapping.
486728
Fukui Yoshiharu
Ima Seiichiro
Kakugo Masahiro
Kimura Junichi
Wakatsuki Kizuku
Riches Mckenzie & Herbert Llp
Sumitomo Chemical Company Limited
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