Intermediate film for laminated glass, multi-layer intermediate film for laminated glass, and laminated glass

Patent metadata

Field	Value
Publication number	US-2016154153-A1
Application number	US-201414898107-A
Country	US
Kind code	A1
Filing date	Jun 13, 2014
Priority date	Jun 14, 2013
Publication date	Jun 2, 2016
Grant date	—

Abstract

There is provided an interlayer film for laminated glass with which the visible light transmittance and the heat resistance of the laminated glass can be heightened. The interlayer film for laminated glass according to the present invention includes an organic coloring matter containing a transition element, a metal element which is different from a metal element contained in a metal oxide particle and different from a transition element, a thermoplastic resin and a plasticizer.

First claim

1 . An interlayer film for laminated glass, comprising an organic coloring matter containing a transition element, a metal element different from a transition element, a thermoplastic resin and a plasticizer.

2 . The interlayer film for laminated glass according to claim 1 ,
wherein the metal element is a polyvalent metal element.

3 . The interlayer film for laminated glass according to claim 1 ,
wherein the content of the metal element is greater than or equal to 20 ppm and less than or equal to 200 ppm.

4 . The interlayer film for laminated glass according to claim 1 ,
wherein the metal element different from the transition element is magnesium, and the metal element different from the transition element is added as magnesium acetate or magnesium 2-ethylbutyrate to be contained.

5 . The interlayer film for laminated glass according to claim 1 ,
wherein the transition element in the organic coloring matter containing a transition element is copper or vanadium, and the organic coloring matter containing a transition element is a phthalocyanine compound or a naphthalocyanine compound.

6 . The interlayer film for laminated glass according to claim 1 ,
wherein the maximum absorption wavelength of the organic coloring matter containing a transition element is greater than or equal to 550 nm and less than or equal to 750 nm.

7 . The interlayer film for laminated glass according to claim 1 , further comprising metal oxide particles.

8 . The interlayer film for laminated, glass according, to claim 7 ,
wherein the metal oxide particles are tin-doped indium oxide particles or tungsten oxide particles.

9 . The interlayer film for laminated glass according to claim 1 ,
wherein the thermoplastic resin is a polyvinyl acetal resin.

10 . A multilayer interlayer film for laminated glass, comprising an infrared ray reflection layer reflecting infrared rays and a first resin layer containing a thermoplastic resin,
wherein the first resin layer is arranged on a first surface side of the infrared ray reflection layer, and the first resin layer is an interlayer film for laminated glass according to claim 1 .

11 . The multilayer interlayer film for laminated glass according to claim 10 ,
wherein the infrared ray reflection layer has a characteristic having the infrared ray transmittance of 50% or less at one or more wavelength within the range of 780 to 2100 nm.

12 . The multilayer interlayer film for laminated glass according to claim 10 ,
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.

13 . The multilayer interlayer film for laminated glass according to claim 10 ,
wherein the thermoplastic resin contained in the first resin layer is a polyvinyl acetal resin.

14 . The multilayer interlayer film for laminated glass according to claims 10 ,
wherein the first resin layer contains a plasticizer.

15 . The multilayer interlayer film for laminated glass according to claim 10 ,
wherein the first resin layer contains an ultraviolet ray shielding agent.

16 . The multilayer interlayer film for laminated glass according to claim 10 , comprising the infrared ray reflection layer reflecting infrared rays and the first resin layer containing the thermoplastic resin, and a second resin layer containing a thermoplastic resin,
wherein the first resin layer is arranged on the first surface side of the infrared ray reflection layer, the second resin layer is arranged on a second surface side opposite to the first surface of the infrared ray reflection layer, and at least the first resin layer among the first resin layer and the second resin layer is the interlayer film for laminated glass.

17 . The multilayer interlayer film fir laminated glass according to claim 16 ,
wherein the infrared ray transmittance in the wavelength range of 780 to 2100 nm of the first resin layer is higher than the infrared ray transmittance in the wavelength range of 780 to 2100 nm of the second resin layer.

18 . The multilayer interlayer film for laminated glass according to claim 16 ,
wherein the thermoplastic resin contained in the first resin layer is a polyvinyl acetal resin and the thermoplastic resin contained in the second resin layer is a polyvinyl acetal resin.

19 . The multilayer interlayer film for laminated glass according to claim 16 ,
wherein the thermoplastic resin contained in the first resin layer is a polyvinyl acetal resin and the thermoplastic resin contained in the second resin layer is a polyvinyl acetal resin.

20 . The multilayer interlayer film for laminated glass according to claim 16 ,
wherein the first resin layer contains a plasticizer and the second resin layer contains a plasticizer.

21 . The multilayer interlayer film for laminated glass according to claim 16 ,
wherein the first resin layer contains an ultraviolet ray shielding agent and the second resin layer contains an ultraviolet ray shielding agent.

22 . Laminated glass, comprising a first laminated glass member, a second laminated glass member and an interlayer film for laminated glass according to claim 1 ,
wherein the interlayer film for laminated glass is arranged between the first laminated glass member and the second laminated glass member.

23 . Laminated glass, comprising a first laminated glass member, a second laminated glass member and a multilayer interlayer film for laminated glass according to claims 10 ,
wherein the multilayer interlayer film for laminated glass is arranged between the first laminated glass member and the second laminated glass member.

Assignees

• Sekisui Chemical Co Ltd

Inventors

• Tsunoda Ryuta
• Izu Yasuyuki

Classifications

• B32B2605/006

  Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings · CPC title

• B32B17/10651

  comprising colorants, e.g. dyes or pigments · CPC title

• C08K5/103

  with polyalcohols · CPC title

• B32B17/10761 Primary

  containing vinyl acetal · CPC title

• C08K5/3465

  condensed with carbocyclic rings · CPC title