Marking composition, moldings thereof and marking method

Details Marking composition, moldings thereof and marking method Marking composition, moldings thereof and marking method

C - Chemistry, Metallurgy

09

D

C09D 123/00 (2006.01) B41M 5/26 (2006.01) C08K 3/34 (2006.01) C08K 3/36 (2006.01) C08L 23/00 (2006.01) C09D 5/32 (2006.01) G09F 3/20 (2006.01)

Patent

CA 2142492

The present invention provides a polyolefin resin-based marking composition capable of developing a vivid color in dark brown to black on irradiation with laser beams, moldings of the composition, and a laser marking method. The marking composition comprises a polyolefin resin-based marking composition containing from 0.005% by weight to less than 0.5% by weight of a silicon compound based on the polyolefin resin.

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