Production of nylon 6-nylon 6,6 blended film

Details Production of nylon 6-nylon 6,6 blended film Production of nylon 6-nylon 6,6 blended film

B - Operations, Transporting

29

D

18/1036

B29D 7/08 (1980.01)

Patent

CA 1041723

INVENTION: PRODUCTION OF NYLON 6-NYLON 6,6 BLENDED FILM INVENTORS: PAUL W. BERGER PHILIP S. BOLLEN ABSTRACT OF THE DISCLOSURE In accordance with the present invention, films of a nylon 6-nylon 6,6 blend are produced by a process which comprises blending about 50 to about 80 percent by weight nylon 6 resin and correspondingly about 50 to about 20 percent by weight nylon 6,6 resin, extruding said blend at a temperature above its melting point onto a smooth moving support to form a coherent film; maintaining said support at a surface temperature in the range of about 230° to about 300°F, and collecting the resultant film. The resultant film has a haze value, as hereinafter defined, in the range of about 5 to about 20 percent, preferably about 8 to about 14 percent. Film having the latter range of haze values is particularly suitable for the production of cooking bags.

192389

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