Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent
1975-02-26
1976-11-30
Lesmes, George F.
Stock material or miscellaneous articles
Hollow or container type article
Cellular material derived from plant or animal source
229 35R, 260857TW, 260 4575C, 426412, 426415, 428220, 428332, 428474, 428500, 264216, B65D 7900, B65D 8572
Patent
active
039950840
ABSTRACT:
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.degree. to about 300.degree. 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.
REFERENCES:
patent: 2193529 (1940-03-01), Coffman
patent: 2852485 (1958-09-01), Stott
patent: 3491042 (1970-01-01), Hermann
patent: 3519595 (1970-07-01), Hermann
patent: 3750873 (1973-08-01), Roman
patent: 3776798 (1972-01-01), Milano
Modern Plastics Encyclopedia, 41(7A), July 1968, pp. 162, 163 and 181.
Berger Paul W.
Bollen Philip S.
Allied Chemical Corporation
Criss Roger H.
Henry Patrick L.
Lesmes George F.
Robinson Ellis P.
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