RADIATION-SHIELDING INK AND PRINTING THEREOF

PROBLEM TO BE SOLVED: To obtain an inexpensive, harmless radiation-shielding ink having a high-degree radiation-shielding ability, and good printability, and further to provide a printing method thereof. SOLUTION: This radiation-shielding ink is obtained by kneading 100 pts.wt. tungsten fine powder...

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Bibliographische Detailangaben
Hauptverfasser:	ITO NOBUTO, FURUMOTO TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS LINING MACHINES MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM PRINTING PRINTING MACHINES OR PRESSES PRINTING PLATES OR FOILS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain an inexpensive, harmless radiation-shielding ink having a high-degree radiation-shielding ability, and good printability, and further to provide a printing method thereof. SOLUTION: This radiation-shielding ink is obtained by kneading 100 pts.wt. tungsten fine powder having 0.5-0.6 μm particle size with 10 pts.wt. polyester resin and 40 pts.wt. solvent. When a letter having 100 μm thickness is printed on a PET film by using the ink, and a picture is taken by X-ray through the film, the picture of the letter is superiorly clearly taken, and the scratch resistance of the printed letter on the PET film is also good.