Hard coat laminated film
A technology of hard coating and lamination film, applied in the direction of coating, layered products, synthetic resin layered products, etc., can solve problems such as insufficient scratch resistance
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[0183] Hereinafter, the present invention will be described by way of examples, but the present invention is not limited thereto.
[0184] test methods
[0185] (i) Scratch resistance 1 (steel wool resistance)
[0186] The hard-coat laminated film was placed on a JIS L0849:2013 Gaku-vibration tester (Rub tester type 2) so that the first hard-coat layer became the surface. Then, after installing #0000 steel wool on the friction terminal of the Gakusha-type tester, load 500g of load, and under the condition that the moving speed of the friction terminal is 300mm / min and the moving distance is 30mm, the surface of the test piece (No. 1 hard coating surface) after reciprocating wiping 9000 times, visually observe the rubbed part. If no scratches are found, after further reciprocating wiping for 1000 times, repeat the operation of visually observing the friction part, and evaluate according to the following criteria. In this standard, if it is E or more, that is, A to E, it is...
example 1
[0274] Corona discharge treatment was performed on both surfaces of the above (P-1). The wettability index on both sides is 64mN / m. Then, the above-mentioned (H2-1) was coated to a wet thickness of 42.4 μm (thickness after curing: 18 μm) using a die-type coating device on the surface on the α2 layer side. Then, after passing through a drying furnace with a set temperature of 80°C at a linear speed of 1 minute from the entrance to the exit, use a high-pressure mercury lamp type ultraviolet irradiation device 10 and a mirror metal surface with a diameter of 25.4 cm. Roller 11 opposite setting hardening device (referring to Figure 5 ), at a temperature of 60°C on the mirror metal roller 11 and a cumulative light intensity of 500mJ / cm 2 Under the conditions of treatment, the formation of the second hard coating (the reference symbol 12 in the figure represents the rolled foil paper, and the reference symbol 13 represents the holding angle). Next, the above-mentioned (H1-1) was...
example 2、3
[0276] Formation of the hard coat laminate film and measurement and evaluation of various physical properties were carried out in the same manner as in Example 1 except that the thicknesses of the first hard coat layer and the second hard coat layer were changed to those shown in Table 1. . The results are shown in Table 1.
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