Heat-ray shielding film, heat-ray shielding laminated transparent substrate, automobile, building, dispersoid, mixed composition, method for manufacturing dispersoid, dispersion liquid, and method for manufacturing dispersion liquid
There is provided a heat-ray shielding film including composite tungsten oxide particles; a thermoplastic resin; and a metal coupling agent, wherein the composite tungsten oxide particles are represented by a general formula M x WO y , where M is one or more elements selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, Cu, and Na, 0.1≤x≤0.5, and 2.2≤y≤3.0.
1. A heat-ray shielding film comprising:
composite tungsten oxide particles;
a dispersant;
a thermoplastic resin; and
a silane coupling agent that is a metal coupling agent,
wherein the composite tungsten oxide particles are represented by a general formula M x WO y , where M is one or more elements selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, Cu, and Na, 0.1≤x≤0.5, and 2.2≤y≤3.0.
2. The heat-ray shielding film according to claim 1 , wherein the metal coupling agent is a silane coupling agent.
3. The heat-ray shielding film according to claim 1 , wherein the metal coupling agent includes an epoxy group and/or an amino group.
4. The heat-ray shielding film according to claim 1 , wherein content of the metal coupling agent in the heat-ray shielding film is greater than or equal to 0.01% by mass and less than or equal to 0.50% by mass.
5. The heat-ray shielding film according to claim 1 , wherein the thermoplastic resin is one or more selected from an ionomer resin, a polyvinyl acetal resin, and an ethylene-vinyl acetate copolymer resin.
6. The heat-ray shielding film according to claim 1 , wherein the thermoplastic resin is an ionomer resin.
7. The heat-ray shielding film according to claim 5 , wherein the ionomer resin is an ethylene-based ionomer.
8. The heat-ray shielding film according to claim 5 , wherein the ionomer resin includes one or more metal ions selected from zinc, magnesium, lithium, potassium, and sodium.
9. The heat-ray shielding film according to claim 1 , wherein, in the general formula M x WO y representing the composite tungsten oxide, M is Cs and/or Rb.
10. The heat-ray shielding film according to claim 1 , wherein the composite tungsten oxide is a hexagonal crystal.
11. The heat-ray shielding film according to claim 1 , wherein a volume average particle size of the composite tungsten oxide particles is less than or equal to 100 nm.
12. The heat-ray shielding film according to claim 1 , further comprising:
an ultraviolet absorbing agent.
13. The heat-ray shielding film according to claim 12 , wherein the ultraviolet absorbing agent includes one or more selected from a benzotriazole compound and a benzophenone compound.
14. The heat-ray shielding film according to claim 12 , wherein the ultraviolet absorbing agent includes a compound represented by chemical formula 1 and/or chemical formula 2:
15. The heat-ray shielding film according to claim 12 , wherein content of the ultraviolet absorbing agent in the heat-ray shielding film is greater than or equal to 0.02% by mass and less than or equal to 5.0% by mass.
16. A heat-ray shielding laminated transparent substrate comprising:
a plurality of transparent substrates; and
a heat-ray shielding film including
composite tungsten oxide particles;
a dispersant;
a thermoplastic resin; and
a silane coupling agent that is a metal coupling agent,
wherein the composite tungsten oxide particles are represented by a general formula M x WO y , where M is one or more elements selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, Cu, and Na, 0.1≤x≤0.5, and 2.2≤y≤3.0, and
wherein the heat-ray shielding film is disposed between the plurality of transparent substrates.
17. The heat-ray shielding laminated transparent substrate according to claim 16 , wherein at least one of the plurality of transparent substrates is a glass substrate.
18. The heat-ray shielding laminated transparent substrate according to claim 16 , wherein at least one infrared reflecting film is further disposed between the plurality of transparent substrates.
19. The heat-ray shielding laminated transparent substrate according to claim 18 , wherein, when the infrared reflecting film is laminated on a transparent glass substrate, a maximum value of reflectance with respect to light with a wavelength from 700 nm to 1200 nm is greater than or equal to 30% and less than or equal to 100%.
20. An automobile comprising:
a window material including a heat-ray shielding laminated transparent substrate including
a plurality of transparent substrates; and
a heat-ray shielding film including
composite tungsten oxide particles;
a dispersant;
a thermoplastic resin; and
a silane coupling agent that is a metal coupling agent,
wherein the composite tungsten oxide particles are represented by a general formula M x WO y , where M is one or more elements selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, Cu, and Na, 0.1≤x≤0.5, and 2.2≤y≤3.0, and
wherein the heat-ray shielding film is disposed between the plurality of transparent substrates.
21. A building comprising:
a window material including a heat-ray shielding laminated transparent substrate including
a plurality of transparent substrates; and
a heat-ray shielding film including
composite tungsten oxide particles;
a dispersant;
a thermoplastic resin; and
a silane coupling agent that is a metal coupling agent,
wherein the composite tungsten oxide particles are represented by a general formula M x WO y , where M is one or more elements selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, Cu, and Na, 0.1≤x≤0.5, and 2.2≤y≤3.0, and
wherein the heat-ray shielding film is disposed between the plurality of transparent substrates.