Nylon film with improved slip characteristics and process theref

Details Nylon film with improved slip characteristics and process theref Nylon film with improved slip characteristics and process theref

1984-05-02

1984-12-25

Ivy, C. Warren

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264235, 264346, 524227, 524230, 524606, B29C 2500, C08J 708, C08K 520, C08L 7700

Patent

active

044903243

ABSTRACT:
A process is disclosed for the manufacture of nylon packaging film having improved slip characteristics. In the process a homogeneous mixture is formed from a film-forming nylon resin and between 0.05 and 1.0 percent by weight thereof of a material selected from the group consisting of (1) secondary amides of the formula ##STR1## and (2) N, N' ethylene bis amides of the formula ##STR2## where R.sub.1 and R.sub.2 are aliphatic hydrocarbon chains of C.sub.14 -C.sub.22. The homogeneous mixture is then extruded into film subsequently, the film is heated to a temperature between 40.degree. C. and 150.degree. C. for a period of 2 to 30 minutes in order to accelerate the development of improved film slip characteristics. The nylon film having improved slip characteristics is useful for the packaging of bacon and other processed meats.

REFERENCES:
patent: T877007 (1970-08-01), Uhline
patent: 3513135 (1970-05-01), Hermann et al.
patent: 3595827 (1971-07-01), Foster
patent: 3763082 (1973-10-01), Elliot
patent: 3801521 (1974-04-01), Smith
patent: 4290935 (1981-09-01), Muraki
patent: 4395510 (1983-07-01), Park
S.P.E. Journal, p. 1153, Oct. 1965, Advertisement for "Chemetron Wax-100".

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