THERMOCHROMIC MATERIAL, MOLDED ARTICLE COMPRISING SAID MATERIAL AND USE THEREOF

摘要

The invention relates to a thermochromic material comprising at least one biopolymer, at least one natural dye and at least one reaction medium, selected from the group of fatty acids and derivatives thereof, gallic acid and derivatives thereof and mixtures thereof. The thermochromic material according to the invention is completely based on non-toxic, natural products. Processing into materials or molded articles can occur, according to the invention, by means of conventional extrusion technology in the form of flat film, blown film or sheets or multi-wall sheets. The thermochromic material can be used in particular in the food industry and medical technology.

主权项

1. A thermochromic material comprising at least one biopolymer, at least one natural dye and at least one reaction medium selected from the group of fatty acids and derivatives thereof, gallic acid and derivatives thereof and mixtures thereof,
wherein all the components of the thermochromic material optionally contain components or additives which are permitted for foodstuff.