POLYMER MOLDED COMPOSITION RECORDABLE BY LASER

PROBLEM TO BE SOLVED: To obtain the subject composition showing a type face extremely excellent in contrast after recording by laser by using a pigment corresponding to the color of the objective spectrum and occasionally carbon black. SOLUTION: This composition comprises (A) 99.9999-30 pts.wt. of a...

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Bibliographische Detailangaben
Hauptverfasser:	MAGERSTEDT HERBERT, JOACHIMI DETLEV DR
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COLOUR PRINTING COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS LINING MACHINES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject composition showing a type face extremely excellent in contrast after recording by laser by using a pigment corresponding to the color of the objective spectrum and occasionally carbon black. SOLUTION: This composition comprises (A) 99.9999-30 pts.wt. of a thermoplastic polymer (preferably polyalkylene terephthalate), (B) 0.0001-10.00 pts.wt. of a pigment to which at least three pigments selected from colors of the objective spectrum range are added, (C) 0-60 pts.wt. of a filter and a reinforcing substance, (D) 0-60 pts.wt. of a flame-retardant additive, (E) 0-50 pts.wt. of an elastic body modifier and (F) 0-80 pts.wt. of antimony trioxide (the total of the components A to F is 100 pts.wt.). Magnesium hydroxide is combined with calcium carbonate, magnesium hydroxide, a halogenated compound and occasionally antimony oxide and used as the component D.