Ultraviolet and/or near-infrared blocking agent composition for transparent material

Patent metadata

Field	Value
Publication number	US-10906097-B2
Application number	US-201716306190-A
Country	US
Kind code	B2
Filing date	Feb 21, 2017
Priority date	Jun 2, 2016
Publication date	Feb 2, 2021
Grant date	Feb 2, 2021

Abstract

An object of the present invention is to provide an ultraviolet and/or near-infrared shielding agent composition for transparent material using silicon compound-coated silicon-doped zinc oxide particles that are controlled in properties in an ultraviolet region and/or a near-infrared region. The present invention provides an ultraviolet and/or near-infrared shielding agent composition for transparent material used for a purpose of shielding ultraviolet rays and/or near-infrared rays, the ultraviolet and/or near-infrared shielding agent composition for transparent material featuring that the ultraviolet and/or near-infrared shielding agent contains silicon compound-coated silicon-doped zinc oxide particles, with which surfaces of silicon-doped zinc oxide particles that are zinc oxide particles doped with at least silicon are at least partially coated with a silicon compound.

First claim

The invention claimed is:

1. An ultraviolet and/or near-infrared shielding agent composition for transparent material, wherein
the ultraviolet and/or near-infrared shielding agent composition for transparent material is used for a purpose of shielding ultraviolet rays and/or near-infrared rays,
wherein the ultraviolet and/or near-infrared shielding agent composition contains silicon compound-coated silicon-doped zinc oxide particle in which at least part of a surface of silicon-doped zinc oxide particle is coated with a silicon compound,
wherein the silicon compound contains an amorphous silicon oxide.

2. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 1 , wherein
the ultraviolet and/or near-infrared shielding agent composition for transparent material is an ultraviolet and/or near-infrared shielding agent composition for glass.

3. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 2 , wherein
the silicon compound-coated silicon-doped zinc oxide particle is the silicon compound-coated silicon-doped zinc oxide particle in which a molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particle is controlled so as to be increased, wherein
the silicon compound-coated silicon-doped zinc oxide particle is controlled so as to increase an average molar absorption coefficient in a wavelength region of 200 nm to 380 nm of a dispersion solution in which the silicon compound-coated silicon-doped zinc oxide particle is dispersed in a dispersion medium.

4. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 2 , wherein
the silicon compound-coated silicon-doped zinc oxide particle is the silicon compound-coated silicon-doped zinc oxide particle in which the molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particle is controlled so as to be decreased, wherein
the silicon compound-coated silicon-doped zinc oxide particle is controlled so as to increase an average reflectance in a wavelength region of 780 nm to 2500 nm of the silicon compound-coated silicon-doped zinc oxide particle.

5. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 2 , comprising at least two kinds of the silicon compound-coated silicon-doped zinc oxide particles in which a molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particles is different.

6. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 1 , wherein
the ultraviolet and/or near-infrared shielding agent composition for transparent material is an ultraviolet and/or near-infrared shielding agent composition for clear coating film.

7. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 6 , wherein
the silicon compound-coated silicon-doped zinc oxide particle is the silicon compound-coated silicon-doped zinc oxide particle in which a molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particle is controlled so as to be increased, wherein
the silicon compound-coated silicon-doped zinc oxide particle is controlled so as to increase an average molar absorption coefficient in a wavelength region of 200 nm to 380 nm of a dispersion solution in which the silicon compound-coated silicon-doped zinc oxide particle is dispersed in a dispersion medium.

8. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 6 , wherein
the silicon compound-coated silicon-doped zinc oxide particle is the silicon compound-coated silicon-doped zinc oxide particle in which the molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particle is controlled so as to be decreased, wherein
the silicon compound-coated silicon-doped zinc oxide particle is controlled so as to increase an average reflectance in a wavelength region of 780 nm to 2500 nm of the silicon compound-coated silicon-doped zinc oxide particle.

9. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 6 , comprising at least two kinds of the silicon compound-coated silicon-doped zinc oxide particles in which a molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particles is different.

10. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 1 , wherein
the silicon compound-coated silicon-doped zinc oxide particle is the silicon compound-coated silicon-doped zinc oxide particle in which a molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particle is controlled so as to be increased, wherein
the silicon compound-coated silicon-doped zinc oxide particle is controlled so as to increase an average molar absorption coefficient in a wavelength region of 200 nm to 380 nm of a dispersion solution in which the silicon compound-coated silicon-doped zinc oxide particle is dispersed in a dispersion medium.

11. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 10 , comprising at least two kinds of the silicon compound-coated silicon-doped zinc oxide particles in which a molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particles is different.

12. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 1 , wherein
the silicon compound-coated silicon-doped zinc oxide particle is the silicon compound-coated silicon-doped zinc oxide particle in which the molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particle is controlled so as to be decreased, wherein
the silicon compound-coated silicon-doped zinc oxide particle is controlled so as to increase an average reflectance in a wavelength region of 780 nm to 2500 nm of the silicon compound-coated silicon-doped zinc oxide particle.

13. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 1 , comprising at least two kinds of the silicon compound-coated silicon-doped zinc oxide particles in which a molar ratio (Si/Zn) of zinc (Zn) and silicon (Si) in the silicon-doped zinc oxide particles is different.

14. The ultraviolet and/or near-infrared shielding agent composition for transparent material according to claim 1 , wherein
the silicon compound-coated silicon-doped zinc oxide particle is the silicon compound-coated silicon-doped zinc oxide particle that is controlled so as to be decreased a ratio of M-OH bond, which is bonding of one or two or more different elements (M) other than oxygen or hydrogen with hydroxyl group (OH), contained in the silicon compound-coated silicon-doped zinc oxide particle, or a ratio of Si—OH bond, which is bonding of silicon (Si) with hydroxyl group (OH) contained in the silicon compound, and
the silicon compound-coated silicon-doped zinc oxide particle is controlled so as to be increased at least any of an average reflectance in a wavelength region of 780 nm to 2500 nm or an average molar absorption coefficient in a wavelength region of 200 nm to 380 nm of a dispersion solution, in which the silicon compound-coated silicon-doped zinc oxide particle is dispersed in a dispersion medium.

15. The ultraviolet and/or near-infrared shielding agent composition for transp

Assignees

• M Technique Co Ltd

Inventors

• Enomura Masakazu
• Honda Daisuke

Classifications

• B22F1/056

  Submicron particles having a size above 100 nm up to 300 nm · CPC title

• B22F1/054

  Nanosized particles · CPC title

• B22F1/102

  Metallic powder coated with organic material · CPC title

• C09C3/06

  Treatment with inorganic compounds {(C09C3/006, C09C3/048 take precedence)} · CPC title

• C09C1/24

  Oxides of iron · CPC title