Community Research and Development Information Service - CORDIS

The development of a laser induced colouring system for plastics and lacquers

The objective of this project is to develop a reliable and flexible production line system for laser induced colouring, based on the use of suitable additives (pigments, dyes, and photochromic compounds and prechromic compounds) in polymer matrices. For this purpose insight has to be gained into the phenomena occurring during the laser irradiation of synthetic materials and the right combinations of materials have to be developed. Laser parameters have also to be evaluated thoroughly.

The project proposed here deals with the following 3 main objectives:
innovations in laser beam technology with surface treatment as the application;
the development of polymeric materials with optimised packages of functional properties (ie they become laser markable in a reproducible way);
the development of polymeric materials suitable for automated processing by means of selecting additives for improved processability.

In order to achieve the project aim, the following objectives are defined:
multicolour laser induced decoration on a dark background of a synthetic material, demonstrated on a laboratory scale;
multicolour laser induced decoration on a light background of a synthetic material, demonstrated on a laboratory scale;
demonstration of the possibilities of multicolour laser induced decoration in a pilot production multicolour laser system.

Contact

F WITTGREFE, (Group Leader)
Tel.: +31-40-2734306/2733523
Fax: +31-40-2737012
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