Abstract: An interlayer film for laminated glass has enhanced sound insulating properties at 30° C., and includes first and second layers each containing a thermoplastic resin and a plasticizer. When an absolute value of a difference in cloud point using the thermoplastic resin and plasticizer in each of the first and second layers is Xa, and a content in parts by weight of the entire plasticizer in the interlayer film relative to 100 parts by weight of the entire thermoplastic resin in the interlayer film Z, the interlayer film satisfies the first constitution: “Xa?115 and Z??0.16Xa+59” and/or the second constitution: “the thermoplastic resin in the first layer is polyvinyl acetal resin, and when the acetylation degree on a mole percent basis of the polyvinyl acetal resin in the first layer is represented by Y, Y?2 and Z??0.16Xa?0.2Y+59”.

Abstract: The present invention provides an intermediate film for laminated glass which can improve sound insulation. The intermediate film has a layered structure including at least two layers, comprising: a first layer containing a polyvinyl acetal resin and a plasticizer; and a second layer positioned on a first surface of the first layer. In a phase diagram of three values including a degree of acetalization, a degree of acetylation, and a hydroxyl group content of the polyvinyl acetal resin contained in the first layer, the values of the degree of acetalization, the degree of acetylation, and the hydroxyl group content each fall within a region surrounded by a line including four straight lines connecting first, second, third, and fourth coordinates, which respectively have a degree of acetalization:degree of acetylation:hydroxyl group content of 70 mol %:30 mol %:0 mol %, 34 mol %:30 mol %:36 mol %, 94 mol %:0 mol %:6 mol %, and 100 mol %:0 mol %:0 mol %.

Abstract: Provided is a thermoplastic resin film capable of controlling the discoloration due to color staining, and capable of controlling occurrence of color irregularity after irradiation with light irrespectively of inclusion of dyes. A thermoplastic resin film according to the present invention includes a thermoplastic resin and a dye, and the thermoplastic resin film has a color difference ?E of 4.3 or less, determined by measuring change in color tone before and after application of load on a polyvinyl butyral resin film for color staining test in accordance with JIS K8781-4:2013 after applying a load of 200 g/cm2 at 23° C. and a humidity of 25% for 1 week on a laminate made up of the thermoplastic resin film, the polyvinyl butyral resin film for color staining test, and a green glass in accordance with JIS R3208 having a thickness of 2 mm laminated in this order on a rubber sheet having a hardness of 60.

Abstract: An interlayer film for a laminated glass includes a thermoplastic resin and a plasticizer. The ratio of a high molecular weight component with an absolute molecular weight of 1000000 or more in the thermoplastic resin is 7.4% or higher, or the ratio of a high molecular weight component with a polystyrene-equivalent molecular weight of 1000000 or more in the thermoplastic resin is 9% or higher. A first multilayer interlayer film for a laminated glass includes an interlayer film for a laminated glass and an interlayer film for a laminated glass that contains a thermoplastic resin and a plasticizer, and is laminated on one face of the interlayer film for a laminated glass.

Abstract: Provided is an interlayer film for laminated glass capable of being enhanced in sound insulating properties of laminated glass at 30° C. The interlayer film for laminated glass according to the present invention includes first and second layers each containing a thermoplastic resin and a plasticizer, and when an absolute value of a difference in cloud point using the thermoplastic resin and the plasticizer in each of the first and second layers is represented by Xa, and a content based on parts by weight of the entire plasticizer in the interlayer film for laminated glass relative to 100 parts by weight of the entire thermoplastic resin in the interlayer film for laminated glass is represented by Z, the interlayer film satisfies at least one of the first constitution: “Xa?115 and Z??0.

Abstract: The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property of the obtained laminated glass, and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 which contains a polyvinyl acetal resin and a plasticizer, and the polyvinyl acetal resin and the first plasticizer are a polyvinyl acetal resin and a first plasticizer which have a cloud point of 5° C. or lower when the cloud point is measured using a solution prepared by dissolving 8 parts by weight of the polyvinyl acetal resin in 100 parts by weight of the first plasticizer; and the laminated glass 11 of the present invention comprises first and second components for laminated glass, and the intermediate film 1 for laminated glass sandwiched between the first and second components for laminated glass.

Abstract: The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property of a laminated glass to be obtained; and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 which contains a polyvinyl acetal resin and a plasticizer and the degree of acetylation of the polyvinyl acetal resin contained in the first layer 2 exceeds 30 mol %; and The laminated glass of the present invention comprises first and second components for laminated glass, and the intermediate film 1 for laminated glass sandwiched between the first and second components for laminated glass.

Abstract: The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property of a laminated glass to be obtained; and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 which contains a polyvinyl acetal resin and a plasticizer and the degree of acetylation of the polyvinyl acetal resin contained in the first layer 2 exceeds 30 mol %; and The laminated glass of the present invention comprises first and second components for laminated glass, and the intermediate film 1 for laminated glass sandwiched between the first and second components for laminated glass.

Abstract: An interlayer film for a laminated glass includes a thermoplastic resin and a plasticizer. The ratio of a high molecular weight component with an absolute molecular weight of 1000000 or more in the thermoplastic resin is 7.4% or higher, or the ratio of a high molecular weight component with a polystyrene-equivalent molecular weight of 1000000 or more in the thermoplastic resin is 9% or higher. A first multilayer interlayer film for a laminated glass includes an interlayer film for a laminated glass and an interlayer film for a laminated glass that contains a thermoplastic resin and a plasticizer, and is laminated on one face of the interlayer film for a laminated glass.

Abstract: An interlayer film for a laminated glass includes a thermoplastic resin and a plasticizer. The ratio of a high molecular weight component with an absolute molecular weight of 1000000 or more in the thermoplastic resin is 7.4% or higher, or the ratio of a high molecular weight component with a polystyrene-equivalent molecular weight of 1000000 or more in the thermoplastic resin is 9% or higher. A first multilayer interlayer for a laminated glass includes an interlayer film for a laminated glass and an interlayer film for a laminated glass that contains it thermoplastic resin and a plasticizer, and is laminated on one face of the interlayer film for a laminated glass.

Abstract: The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property in a high frequency range of the obtained laminated glass over a wide range of temperature; and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 and a second layer 3 which is laminated on a first surface 2a of the first layer 2, each of the first and second layers 2 and 3 contains a polyvinyl acetal resin and a plasticizer, the absolute value of the difference between SP values of the polyvinyl acetal resin and the plasticizer contained in the first layer 2 is 0.5 or smaller, and the laminated glass of the present invention comprises first and second components for laminated glass and the intermediate layer 1 sandwiched between the first and second components for laminated glass.

Abstract: The present invention provides an interlayer film for laminated glass having a monolayer structure comprising only a first layer or a multilayer structure comprising at least two layers including a first layer and a second layer stacked at least on one face of the first layer, wherein the first layer contains a thermoplastic resin and a first plasticizer represented by the formula (1): and the interlayer film has a monolayer structure or a multilayer structure including at least two layers and includes the first layer further containing a second plasticizer that is a diester compound, or the interlayer film has a multilayer structure including at least two layers and includes the second layer containing a plasticizer and a polyvinyl acetal resin with a hydroxyl content of 25 to 40 mol %.

Abstract: The present invention provides an interlayer film for a laminated glass which can suppress bubble formation and bubble growth in the laminated glass. An interlayer film 1 for a laminated glass includes a first layer 2 and a second layer 3 laminated on one face 2a of the first layer 2. Each of the first layer 2 and the second layer 3 contains a polyvinyl acetal resin and a plasticizer. The polyvinyl acetal resin in the first layer 2 is obtained by acetalizing a polyvinyl alcohol resin that has a degree of polymerization exceeding 3000.

Abstract: The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property of the obtained laminated glass, and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 which contains a polyvinyl acetal resin and a plasticizer, and the polyvinyl acetal resin and the first plasticizer are a polyvinyl acetal resin and a first plasticizer which have a cloud point of 5° C. or lower when the cloud point is measured using a solution prepared by dissolving 8 parts by weight of the polyvinyl acetal resin in 100 parts by weight of the first plasticizer; and the laminated glass 11 of the present invention comprises first and second components for laminated glass, and the intermediate film 1 for laminated glass sandwiched between the first and second components for laminated glass.

Abstract: The present invention provides an interlayer film for laminated glass having a monolayer structure comprising only a first layer or a multilayer structure comprising at least two layers including a first layer and a second layer stacked at least on one face of the first layer, wherein the first layer contains a thermoplastic resin and a first plasticizer represented by the formula (1): and the interlayer film has a monolayer structure or a multilayer structure including at least two layers and includes the first layer further containing a second plasticizer that is a diester compound, or the interlayer film has a multilayer structure including at least two layers and includes the second layer containing a plasticizer and a polyvinyl acetal resin with a hydroxyl content of 25 to 40 mol %.

Abstract: The present invention provides an intermediate film for laminated glass which can improve sound insulation. The intermediate film has a layered structure including at least two layers, comprising: a first layer containing a polyvinyl acetal resin and a plasticizer; and a second layer positioned on a first surface of the first layer. In a phase diagram of three values including a degree of acetalization, a degree of acetylation, and a hydroxyl group content of the polyvinyl acetal resin contained in the first layer, the values of the degree of acetalization, the degree of acetylation, and the hydroxyl group content each fall within a region surrounded by a line including four straight lines connecting first, second, third, and fourth coordinates, which respectively have a degree of acetalization:degree of acetylation:hydroxyl group content of 70 mol %:30 mol %:0 mol %, 34 mol %:30 mol %:36 mol %, 94 mol %:0 mol %:6 mol %, and 100 mol %:0 mol %:0 mol %.

Abstract: The present invention provides an interlayer film for a laminated glass capable of suppressing bubble formation and bubble growth even if the laminated glass is exposed to relatively high temperatures for a long time. An interlayer film for a laminated glass according to the present invention includes a first layer and a second layer laminated on one face of the first layer, each of the first layer and the second layer contains a polyvinyl acetal resin and a plasticizer, and in the case of measuring the viscoelasticity of the first layer as a resin film (glass transition temperature: Tg(° C.)), or the viscoelasticity of a resin film (glass transition temperature: Tg(° C.)) containing 100 parts by weight the polyvinyl acetal resin in the first layer and 60 parts by weight of triethylene glycol di-2-ethylhexanoate (3GO) as a plasticizer, the resin film has an elastic modulus of G?(Tg+170) at (Tg+170)° C. and an elastic modulus of G?(Tg+30) at (Tg+30)° C., and provides a ratio (G?(Tg+170)/G?(Tg+30)) of 0.

Abstract: The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property of the obtained laminated glass, and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 which contains a polyvinyl acetal resin and a plasticizer, and the polyvinyl acetal resin and the first plasticizer are a polyvinyl acetal resin and a first plasticizer which have a cloud point of 5° C. or lower when the cloud point is measured using a solution prepared by dissolving 8 parts by weight of the polyvinyl acetal resin in 100 parts by weight of the first plasticizer; and the laminated glass 11 of the present invention comprises first and second components for laminated glass, and the intermediate film 1 for laminated glass sandwiched between the first and second components for laminated glass.

Abstract: The present invention provides an interlayer film for a laminated glass which can suppress bubble formation and bubble growth in the laminated glass. An interlayer film 1 for a laminated glass includes a first layer 2 and a second layer 3 laminated on one face 2a of the first layer 2. Each of the first layer 2 and the second layer 3 contains a polyvinyl acetal resin and a plasticizer. The polyvinyl acetal resin in the first layer 2 is obtained by acetalizing a polyvinyl alcohol resin that has a degree of polymerization exceeding 3000.

Abstract: The present invention provides an intermediate film for laminated glass which can improve sound insulation. The intermediate film has a layered structure including at least two layers, comprising: a first layer containing a polyvinyl acetal resin and a plasticizer; and a second layer positioned on a first surface of the first layer. In a phase diagram of three values including a degree of acetalization, a degree of acetylation, and a hydroxyl group content of the polyvinyl acetal resin contained in the first layer, the values of the degree of acetalization, the degree of acetylation, and the hydroxyl group content each fall within a region surrounded by a line including four straight lines connecting first, second, third, and fourth coordinates, which respectively have a degree of acetalization:degree of acetylation:hydroxyl group content of 70 mol %:30 mol %:0 mol %, 34 mol %:30 mol %:36 mol %, 94 mol %:0 mol %:6 mol %, and 100 mol %:0 mol %:0 mol %.