Tubular film for packing and casing paste-type foodstuffs,...

Details Tubular film for packing and casing paste-type foodstuffs,... Tubular film for packing and casing paste-type foodstuffs,...

B - Operations, Transporting

29

D

18/1042, 402/223

B29D 23/00 (2006.01) A22C 13/00 (2006.01)

Patent

CA 1141888

Abstract The invention relates to a tubular film for packing foodstuffs that in the state in which they are introduced into the tube are paste-like or fluid and that either after packing are heated to approximately 70 to 95°C or are packed in the hot, fluid state. The tubular film consists of at least one aliphatic polyamide, of which the glass transition temperature of ? 321 K in the dry state can be lowered, by moisture absorption, to 253 K, or of a mixture of this polyamide with at least one ionomer resin, wherein the ionomer resin may be partly or completely replaced by a modified ethylene/vinyl acetate copolymer. Ths tubular film according to the invention lies wrinkle-free against the contents after cooling. The tubular film is produced by shaping the plastics or plastics mixture and subjecting to biaxial stretching according to processes that are known per se.

340017

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