Laminated glass and method for fitting laminated glass

Patent metadata

Field	Value
Publication number	US-2016332425-A1
Application number	US-201515111396-A
Country	US
Kind code	A1
Filing date	Jan 30, 2015
Priority date	Jan 31, 2014
Publication date	Nov 17, 2016
Grant date	—

Abstract

There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention includes a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first and second laminated glass members, the interlayer film includes an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin, and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher by 15% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the second laminated glass member and the second resin layer.

First claim

1 . Laminated glass, comprising a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first laminated glass member and the second laminated glass member; and
the interlayer film including an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side opposite to the first surface of the infrared ray reflection layer and contains a thermoplastic resin, the first laminated glass member being arranged on the outside of the first resin layer in the interlayer film, the second laminated glass member is arranged on the outside of the second resin layer in the interlayer film, and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer being higher by 15% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the second laminated glass member and the second resin layer.

2 . The laminated glass according to claim 1 , wherein the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher by 20% or more than the infrared, ray transmittance in the wavelength of 780 to 2100 am of the whole layer composed of the second laminated glass member and the second resin layer.

3 . The laminated glass according to claim 2 , wherein the infrared ray transmittance in the wavelength of 780 to 2100 am of the whole layer composed of the first laminated glass member and the first resin layer is higher by 30% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the second laminated glass member and the second resin layer.

4 . The laminated glass according to claim 1 , wherein the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer, or
the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first laminated glass member is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second laminated glass member.

5 . The laminated glass according to claim 4 , wherein the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer.

6 . The laminated glass according to claim 4 , wherein the infrared ray transmittance in the wavelength of 780 to 2100 urn of the first laminated glass member is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second laminated glass member.

7 . The laminated glass according to claim 1 , wherein the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 urn of the second resin layer, and
the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first laminated glass member is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second laminated glass member.

8 . The laminated glass according to claim 7 , wherein the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher by 10% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer, and
the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first laminated glass member is higher by 10% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second laminated glass member.

9 . The laminated glass according to claim 1 , wherein the infrared ray reflection layer is a resin film with metal foil, a multilayer laminated film in which a metal layer and a dielectric layer are formed on a resin layer, a multilayer resin film or a liquid crystal film.

10 . The laminated glass according to claim 1 , wherein at least one among the first resin layer and the second resin layer contains an adhesive force regulating agent.

11 . The laminated glass according to claim 10 , wherein both of the first resin layer and the second resin layer contain an adhesive force regulating agent.

12 . The laminated glass according to claim 1 , wherein the second resin layer contains metal oxide particles.

13 . The laminated glass according to claim 12 , wherein the metal oxide particles are tin-doped indium oxide particles or tungsten oxide particles.

14 . The laminated glass according to claim 1 , wherein the second resin layer contains at least one kind among a phthalocyanine compound, a naphthalocyanine compound and an anthracyanine compound.

15 . The laminated glass according to claim 1 , wherein the thermoplastic resin in the first resin layer is a polyvinyl acetal resin and the thermoplastic resin in the second resin layer is a polyvinyl acetal resin.

16 . The laminated glass according to claim 1 , wherein the first resin layer contains a plasticizer and the second resin layer contains a plasticizer.

17 . The laminated glass according to claim 1 , wherein the first resin layer contains an ultraviolet ray shielding agent.

18 . The laminated glass according to claim 1 , wherein the second resin layer contains an ultraviolet ray shielding agent.

19 . A method for fitting laminated, glass according to claim 1 for a building or a vehicle into an opening part between an outer space and an inner space into which heat rays are made incident from the outer space, comprising the step of fitting the laminated glass into the opening part so that the first laminated glass member is positioned at the outer space side and the second laminated glass member is positioned at the inner space side.

Assignees

• Sekisui Chemical Co Ltd

Inventors

• Yamaguchi Kouhei
• Yamamoto Masaki
• Nakajima Daisuke
• Matsumoto Izumi

Classifications

• B32B17/10018 Primary

  comprising only one glass sheet · CPC title

• B32B17/10504

  Liquid crystal layer · CPC title

• B32B17/10165 Primary

  Functional features of the laminated safety glass or glazing · CPC title

• B32B17/1022

  Metallic coatings · CPC title

• B32B17/10633 Primary

  Infrared radiation absorbing or reflecting agents · CPC title