Decorative sheet and decorative material using same
A decorative material and decorative sheet technology, applied in the field of decorative sheets and decorative materials, can solve problems such as layer peeling, resin deterioration, and weather resistance reduction, and achieve the effects of good dispersion, excellent weather resistance, and high initial adhesion strength
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Embodiment 1
[0252] use figure 2 Be explained.
[0253] As the substrate 1, a polypropylene sheet (also referred to as "polyolefin") having a thickness of 80 μm containing white pigment particles in which a film containing Al and Si elements is formed on the surface of titanium oxide, and 3 parts by mass of bis(1-undecyloxy-2,2,6,6-tetramethylpiperidin-4-yl) carbonate as a hindered amine light stabilizer with respect to 100 parts by mass of resin. The mass ratio of Ti:Al:Si of the white pigment particles is 1:0.05:0.003, the content of the white pigment particles in the substrate is 10% by mass, and the average particle diameter of the primary particles of the white pigment particles is 0.26 μm.
[0254] After performing corona discharge treatment on both surfaces of the substrate 1 , gravure printing is performed on the surface (one surface) of the substrate 1 using printing ink containing acrylic-urethane resin to form the decorative layer 4 .
[0255] Next, a urethane resin-based adh...
Embodiment 2 and 3、 comparative example 1 and 2
[0261] In place of the white pigment particles used in Example 1, the white pigment particles coated with the surface of titanium oxide were used in the mass ratio of Ti:Al:Si shown in Table 1, except that it was performed in the same manner as in Example 1 to obtain Decorative pieces. The above-mentioned evaluation was performed about the obtained decorative sheet. The evaluation results are shown in Table 1.
[0262] [Table 1]
[0263] Table 1
[0264]
Embodiment 4～6、 comparative example 3 and 4
[0266] In Example 1, except that the base material and transparent resin layer were changed to those shown in Table 2, the decorative materials of Examples 4 to 6 were produced in the same manner as in Example 1. , Decorative components. Using the obtained decorative material, a sample was produced and evaluated based on the above-mentioned method. The results are shown in Table 2.
[0267] [Table 2]
[0268] Table 2
[0269]
[0270] The polyolefin in the above table is the polypropylene resin used in Example 1, and the thickness of each sheet was set to the thickness described in the table.
[0271] The substrates used in Example 6 and Comparative Example 3 are as follows.
[0272] · Base material of Example 6: polyvinyl chloride resin sheet (thickness: 120 μm)
[0273] A resin composition containing 38 parts by mass of a phthalate-based plasticizer (undecyl phthalate (DUP)) as a plasticizer was extruded with respect to 100 parts by mass of polyvinyl chloride resin. ...
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