Method of producing casein film

Details Method of producing casein film Method of producing casein film

1995-09-27

1997-10-28

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

1061242, 26421111, B29C 4700, C08L 8900

Patent

active

056815174

ABSTRACT:
A method of producing a casein film, in the form of a planar film or a film tube, by mixing an aqueous solution containing at least one partly volatile carboxylic acid, at least one plasticizer and deionized water, with casein, and causing the mixture to swell, deforming the swollen mixture at temperatures of from 60.degree. C. to 100.degree. C. to obtain a film or a film tube; solidifying the film or film tube by treatment with an aqueous hardening solution and, optionally, by cold-smoking, and drying the film or film tube. The films have excellent packaging characteristics and are biodegradable. They are especially suited for use as edible sausage casings, packaging material for non-hygroscopic, powdery or fat-containing products, for packaging tablets and aromatic dry products, in the production of seed strips and adhesive tapes, and for lining paper.

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"Ullmanns Encyklopadie der technischen Chemie," Band 11 (Verlage Chemie, 1976) (in German) pp. 195, 199, 354 and 675-677.

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