Antiviral agent, coating composition, resin composition and antiviral product
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example 1
[0108]As raw materials, sulfuric acid, magnesium sulfate, and water glass were used, and they were mixed and reacted together. Next, the obtained precipitate was filtered, washed with water, dried, and pulverized to obtain a white amorphous magnesium silicate (SiO2 / MgO=1.3) powder. Using the obtained amorphous magnesium silicate powder as an antiviral agent (V1), the color L value, average particle diameter, water content, acid strength, and acid site concentration were measured to evaluate the antiviral effect. The results are shown in Table 1.
example 2
[0109]A 15% aqueous zirconium oxychloride solution was added to a 75% aqueous phosphoric acid solution, and the mixed solution was aged at 100° C. for 12 hours. Thereafter, the obtained precipitate was filtered, washed with water, dried and crushed to obtain white α-type zirconium phosphate powder. Using the obtained α-type zirconium phosphate powder as an antiviral agent (V2), the color L value, average particle size, water content, acid strength and acid site concentration were measured to evaluate antiviral effect. The results are shown in Table 1.
example 3
α-Type Silver Zirconium Phosphate
[0110]A 15% aqueous zirconium oxychloride solution was added to a 75% aqueous phosphoric acid solution, and the mixed solution was aged at 100° C. for 12 hours. Thereafter, the obtained precipitate was washed with water and recovered. Next, this precipitate was stirred in an aqueous silver nitrate solution at 100° C. for 2 hours. Thereafter, the obtained precipitate was filtered, washed with water, dried, and crushed to obtain a white α-type silver zirconium phosphate powder containing 4.2% of silver. Using the obtained α-type silver zirconium phosphate powder as an antiviral agent (V3), the color L value, average particle size, water content, acid strength and acid site concentration were measured to evaluate the antiviral effect. The results are shown in Table 1.
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