Antireflection film, electromagnetic wave shielding light transmitting window material, gas discharge type light emitting panel, flat display panel, show window material and solar cell module
A technology of anti-reflection film and transparent substrate, applied in optical elements, nonlinear optics, optics, etc., can solve the problems of reduced power generation efficiency and insufficient anti-reflection performance, and achieve excellent performance, reduced film thickness, and reflective color the reduced effect of
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experiment example 1
[0253] In order to evaluate the binding agent components, the hardness of the binding agent components shown in Table 1 was measured by the above-mentioned method.
[0254] In addition, 5 phr of the photopolymerization initiator "Irucou Yua-184" was added to the binder component, hollow silica was added, and the total amount of photopolymerization initiator and binder: hollow silica = 62.5:37.5 (weight %) to obtain a composition for forming a low refractive index layer. Using this composition, the abrasion resistance and chemical corrosion resistance were tested by the above method. The results are shown in Table 1.
[0255] No
Binder composition
Binding agent
Corrosive
Kind
Functional
Number of groups
Molecule
the amount
(N / mm 2 )
Resistance to rubber friction
Times (times)
Evaluation
1
2-hydroxyethyl acrylic acid
Esters※1
...
experiment example 2
[0263] In order to evaluate the pretreatment of the hollow silica, the hollow silica was subjected to the pretreatment shown in Table 2 by the following method. In addition, as the silane coupling agent, an acrylic-modified silane compound "KBM-5103" (CH 2 =CH-COO-(CH 2 ) 3 -Si-(OCH 3 ) 3 ).
[0264] Pretreatment method (1): 3.8% by weight hollow silica, 96% by weight alcohol solvent (mixed solvent of isopropanol and isobutanol 19:81 (weight ratio)), 3% by weight acetic acid, 1% by weight The reaction liquid made of water and 0.04% by weight of the silane coupling agent was put into a pressure-resistant stainless steel container with PTFE (polytetrafluoroethylene) attached inside, and hydrothermally synthesized at the temperature shown in Table 2 for 4 hours.
[0265] Pretreatment method (2): Put the reaction solution prepared in the same manner as the above pretreatment method (1) into a microwave generator manufactured by Tokyo Electronics, and irradiate it at the set temperatur...
experiment example 3
[0279] In order to study the antifouling effect of fluorinated silane coupling agent, fluorinated silane coupling agent "KBM-7803" manufactured by Shin-Etsu Chemical Co., Ltd. (C 8 F 17 -(CH 2 ) 2 -Si-(OCH 3 ) 3 ) As the silane coupling agent, as in the pretreatment method (1) of Experimental Example 2, the hollow silica pretreatment was performed by a hydrothermal method at a reaction temperature of 120°C.
[0280] In addition, as in the pretreatment method (3) of Experimental Example 2, only the fluorinated silane coupling agent was added to prepare unreacted hollow silica.
[0281] Use unpretreated hollow silica, pretreated hollow silica, and use dipentaerythritol hexaacrylate, which is evaluated as the best abrasion resistance in Experimental Example 1, as the binder component. Add 5 phr of the polymerization initiator "Iruco Yua-184" to the ingredients to make the total amount of the photopolymerization initiator and the binder: hollow silica = 62.5: 37.5 (weight ratio) to pr...
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