PAPER SUBJECTED TO MEASURE FOR PREVENTING FORGERY AND PRINTED PRODUCT USING THE PAPER

摘要

PROBLEM TO BE SOLVED: To obtain the subject paper capable of preventing its forgery using an ordinary printer or an ordinary electronic copying machine by including and hiding substrates laminated to formed layers in the paper to impart projections and depressions on the paper for securities so as to enable the easy judgment of the truth or falsehood of the securities with hands. SOLUTION: For example, a 15-20μm thick OPP film substrate 2 laminated to a formed layer 3 comprising 100 pts. of a synthetic resin emulsion, 30 pts. of azodicarbonamide, 15 pts. of glycerol, 10 pts. of precipitated calcium carbonate, 15 pts. of imidazole (foaming auxiliary) and 3 pts. of a silicone is mixed to obtain the objective paper. A picture or a fine crest can be printed (printed layers 4, 5) on the paper 1.