Metal particle dispersion and cured film
A metal particle and dispersion technology, which is applied in alkali metal silicate coatings, dyed high-molecular organic compound treatment, dyed low-molecular organic compound treatment, etc., can solve the problems of metal particle agglutination and other problems, and achieve excellent dispersion stability and hardness and excellent effect of transparency
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[0281]Hereinafter, the present invention will be described based on Examples and Comparative Examples. However, the present invention is not limited to the following examples. Wherein, unless otherwise specified, "parts" and "%" are mass benchmarks. In addition, specific numerical values such as compounding ratios (content ratios), physical property values, and parameters used in the following descriptions may be replaced by corresponding compounding ratios (content ratios), physical property values, and parameters described in the above-mentioned "Detailed Embodiments" and other correspondingly recorded upper limit values (values defined in the form of "below" and "less than") or lower limit values (values defined in the form of "above" and "exceed").
[0282]
[0283] (A) Anhydride-modified polyfunctional (meth)acrylic compound
Synthetic example 1
[0285] In a 1L flask equipped with a stirrer, a thermometer, a reflux condenser, and a mixed gas introduction tube, 327.2 parts of methyl isobutyl ketone (solvent), 300 parts of a mixture of dipentaerythritol pentaacrylate and dipentaerythritol hexaacrylate (Toa Gosei Co., Ltd. Prepare ARONIX M403, dipentaerythritol pentaacrylate content 50-60%), 0.33 parts of triethylamine (catalyst) and 0.16 parts of p-methoxyphenol (polymerization inhibitor), heat and stir to 80°C.
[0286] Next, 27.2 parts of succinic anhydride was added, nitrogen-oxygen mixed gas (oxygen concentration 7%) was introduced, and the mixture was kept at 80° C. for 8 hours. Thereafter, it was cooled to obtain a solution of an acid anhydride modified product of (A) a polyfunctional (meth)acrylic compound having a solid content of 50% and an acid value of 23 mgKOH / g.
Synthetic example 2～3
[0288] Except having changed to the compounding formula shown in Table 1, it carried out similarly to the synthesis example 1, and obtained the solution (50% of solid content) of the acid anhydride modification|denatured product of (A) polyfunctional (meth)acrylic compound.
[0289] Table 1
[0290]
[0291] However, the details of the abbreviations in the table are described below.
[0292] ARONIX M403: Mixture of dipentaerythritol pentaacrylate and dipentaerythritol hexaacrylate, manufactured by Toagosei Co., Ltd., dipentaerythritol pentaacrylate content of 50 to 60%
[0293] (b2) Acid anhydride modified product of caprolactone adduct of hydroxyalkyl (meth)acrylate
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