Laser marking of pigmented high molecular weight polymer...

Details Laser marking of pigmented high molecular weight polymer... Laser marking of pigmented high molecular weight polymer...

C - Chemistry, Metallurgy

08

J

204/91.34

C08J 3/28 (2006.01) B01J 19/08 (2006.01) B05D 3/06 (2006.01) B41M 5/26 (2006.01) B44B 7/00 (2006.01) C08J 7/18 (2006.01) H05K 1/02 (2006.01) H05K 3/28 (2006.01)

Patent

CA 1284125

Laser marking of pigmented systems Abstract of the Disclosure A process for marking high molecular organic material containing at least one radiation-sensitive additive that effects a change in colour, which process comprises utilising as radiation energy a laser beam having a wavelength in the close ultraviolet and/or visible range and/or close infra-red range, and using as additive at least one inorganic and/or organic pigment and/or a polymer-soluble dye.

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