Laser-weldable transparent, translucent, or opaque plastic...

Details Laser-weldable transparent, translucent, or opaque plastic... Laser-weldable transparent, translucent, or opaque plastic...

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) B29C 65/16 (2006.01) B29C 65/34 (2006.01) C08J 5/12 (2006.01) C08K 3/22 (2006.01) C08K 7/00 (2006.01) C08L 33/12 (2006.01) C08L 69/00 (2006.01)

Patent

CA 2558151

The present invention relates to transparent, translucent, or opaque plastic materials that are tinted due to colorants, which are laser-weldable due to a content of nanoscale laser-sensitive particles. These plastic materials, which may be provided as molded bodies, semifinished products, or lacquer coatings, particularly contain laser-sensitive particles with a particle size from 5 to 100 nm and a content from 0.0001 to 0.1 weight had percent. Typical compounds are nanoscale indium-tin oxide, antimony-tin oxide, indium-zinc oxide, and lanthanum hexaboride.

L'invention concerne des matériaux plastiques teintés à l'aide de colorants de manière transparente, translucide ou opaque, pouvant être soudés au laser par l'intermédiaire d'une quantité de particules nanométriques sensibles au laser. Les matériaux plastiques selon l'invention, qui peuvent se présenter sous la forme de corps moulés, de demi-produits ou de revêtements de vernis, contiennent en particulier des particules sensibles au laser présentant une grosseur de particule comprise entre 5 et 100 nm, et entre 0,0001 et 0,1 % en poids de composés nanométriques caractéristiques de type oxyde d'indium-zinc, oxyde d'antimoine-zinc, oxyde d'indium-zinc et hexaborure de lanthane.

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