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

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.

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 1 ,
 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  claim 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 for 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 . A 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  claim 10 ,
 wherein the multilayer interlayer film for laminated glass is arranged between the first laminated glass member and the second laminated glass member.   
     
     
         24 . The interlayer film for laminated glass according to  claim 1 , wherein the interlayer film contains an ultraviolet ray shielding agent. 
     
     
         25 . The interlayer film for laminated glass according to  claim 1 , wherein the interlayer film contains an oxidation inhibitor. 
     
     
         26 . The interlayer film for laminated glass according to  claim 1 , wherein the interlayer film has a thickness of 0.1 mm or more and 3 mm or less.