Resin composition in use for laser marked mark, and preparation method

This invention discloses a resin composition, which comprises: matrix resin 100, dark pigment 0.01-0.1 part, TiO2 powder 0.05-1 part, co-dispersant 0.05-1 part, antioxidant 0.1-1 part, photostabilizer0.05-1 part, fluorescent brightening agent 0.05-1 part, and stearic acid 0.1-0.5 part. The matrix re...

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Bibliographische Detailangaben
Hauptverfasser:	KE WENTI, ZOU HUAWEI, FU TIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	This invention discloses a resin composition, which comprises: matrix resin 100, dark pigment 0.01-0.1 part, TiO2 powder 0.05-1 part, co-dispersant 0.05-1 part, antioxidant 0.1-1 part, photostabilizer0.05-1 part, fluorescent brightening agent 0.05-1 part, and stearic acid 0.1-0.5 part. The matrix resin is acrylic resin, styrene resin, thermoplastic elastomer or their blend. The dark pigment can be nanoscale carbon black. This invention also provides a method for preparing the resin composition by twice granulation. The resin composition can be used for laser labeling. The white label formed on the resin composition has such advantages as clear edge, high whiteness and contrast, smooth lines, and easy recycling.