Method for laser marking of polyolefin resins

A method for marking a polyolefin resin is disclosed which comprises irradiating with a YAG laser a polyolefin resin composition containing 0.1 to 1.0 part by weight of carbon black per 100 parts by weight of the polyolefin resin composition, wherein the carbon black has an average secondary particl...

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Bibliographische Detailangaben
Hauptverfasser:	TSUTSUMI, IKUO, MATSUOKA, KENJI, KOBAYASHI, YOSHIO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADVERTISING AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COLOUR PRINTING COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION GENERAL PROCESSES OF COMPOUNDING LABELS OR NAME-PLATES LINING MACHINES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SEALS SIGNS STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A method for marking a polyolefin resin is disclosed which comprises irradiating with a YAG laser a polyolefin resin composition containing 0.1 to 1.0 part by weight of carbon black per 100 parts by weight of the polyolefin resin composition, wherein the carbon black has an average secondary particle size of not smaller than 150 nm.