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Patents Year : 2021

Material for food packaging and method for the preparation thereof

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Abstract

A food packaging material comprises a polyolefin, vitamin E, and a Quebracho wood ext. comprising condensed tannins, the material comprising at least 0.1​% by wt. of condensed tannins relative to the wt. of the food packaging material. A typical material is prepd. by extruding at 160° a compn. contg. 97.5 wt.​% isotactic polypropylene PP 1014, 2.375 wt.​% Vitamin E and 0.125 wt.​% a Quebracho wood ext. contg. 85 wt.​% tannins.
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Dates and versions

hal-03117414 , version 1 (21-01-2021)

Identifiers

  • HAL Id : hal-03117414 , version 1

Cite

Ahmed Allal, Ambre Issart. Material for food packaging and method for the preparation thereof. France, N° de brevet: FR 3097849. 2021, pp.A1. ⟨hal-03117414⟩
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