Provided is an interlayer film for laminated glass capable of suppressing occurrence of foaming in an end part of the laminated glass, and increasing the transparency of the laminated glass without conducting a high-temperature and high-pressure process by an autoclave. The interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass, having a one-layer structure or a two or more-layer structure, and includes a first layer, and when a specific compression creep test is conducted for a test sample A having a diameter of 8 mm and a thickness of 0.8 mm obtained by cutting out the first layer, a variation in thickness of the test sample A before and after the compression creep test is 50 .Math.m or more and 325 .Math.m or less.

There is provided a laminate in which when the protective plate breaks due to an impact, not only the scattering of large broken pieces but the scattering of powdery fine broken pieces can be suppressed. A laminate including an adherend and an adjacent layer, wherein the adherend has a first major surface, a second major surface being a back surface of the first major surface, and a lateral surface connecting an edge of the first major surface and an edge of the second major surface, at least the first major surface and the lateral surface of the adherend are covered with the adjacent layer, the adjacent layer has at least a plastic film and a hard coat layer containing a cured product of a curable resin composition in this order from the adherend side, and a softening point F1 of the plastic film and a softening point F2 of the hard coat layer satisfy a relationship of F1<F2.

The present invention relates to an ionomer resin, comprising: a (meth)acrylic acid unit (A); a neutralized (meth)acrylic acid unit (B); and an ethylene unit (C), wherein the total amount of the unit (A) and the unit (B) is from 6 to 10 mol % based on the entire monomeric units constituting the ionomer resin, and wherein the amount of a salt composed of a strong acid and a strong base in the ionomer resin is from 1 to 400 mg/kg.

An interlayer film for laminated glass of the present invention comprises a thermoplastic resin, a carboxylic acid, and an alkali (alkaline earth) metal, wherein, when a molar concentration per unit volume of the alkali (alkaline earth) metal in the interlayer film for laminated glass, measured by ICP atomic emission spectrophotometry is A (mol/m.sup.3); a molar concentration per unit volume of the carboxylic acid in the interlayer film for laminated glass, measured by GC-MS is B (mol/m.sup.3); a molar concentration per unit volume of the carboxylic acid in the interlayer film for laminated glass, measured by GC-MS after a hydrochloric acid aqueous solution is added to the interlayer film for laminated glass to be left at 23° C. for 12 hours is Y; and a molar concentration per unit volume of the carboxylic acid, obtained by subtracting the molar concentration B from the concentration Y is D (mol/m.sup.3), the molar concentration A is more than 0.35 mol/m.sup.3 and less than 1.00 mol/m.sup.3, and a carboxylic acid isolation ratio (1) represented by (1−D/A)×100 is 40% or less.

The present invention aims to provide a luminescent curved glass which, despite being curved with a small radius of curvature, can provide a clear display on its entire surface when irradiated with light, and curved digital signage including the luminescent curved glass. Provided is a luminescent curved glass including a laminate including a transparent plate having a radius of curvature of 3,000 mm or lower and a luminescent sheet, the luminescent sheet containing a thermoplastic resin and a luminescent material that emits visible light having a wavelength of 380 to 750 nm under excitation light.

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.

Laminated glass having two glass sheets are laminated by an adhesive interlayer film with specific inks having a pH≥7 applied to at least one side of the interlayer.

Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property over a wide range of temperature from 0° C. to 40° C. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer structure or a two or more-layer structure, the interlayer film includes a resin layer, and a ratio of a first storage modulus G′ at a peak temperature of a maximum peak of tan δ to a second storage modulus G′ at a temperature 100° C. higher than the peak temperature of the maximum peak of tan δ is 50 or more and 500 or less in viscoelasticity measurement at a frequency of 1 Hz in a shearing mode.

The present invention relates to a resin composition, comprising: a modified vinyl acetal resin which comprises 20 to 80 mol % of ethylene units and 4 to 76 mol % of vinyl alcohol units based on all monomer units constituting the resin, and has an acetalization degree of 5 to 80 mol %; and an alkali metal salt and/or an alkaline earth metal salt of a strong acid, wherein a total content of the alkali metal salt and/or the alkaline earth metal salt of the strong acid is 0.0005 to 0.06 part by mass with respect to 100 parts by mass of the modified vinyl acetal resin.

Provided is an interlayer film for laminated glass capable of enhancing the sound insulating properties of laminated glass, and making foaming less likely to occur in an end part. The interlayer film for laminated glass according to the present invention includes a first layer, and a lateral covering part that covers at least part of a lateral part of the first layer, and the first layer has a shear elastic modulus at 25° C. of 0.17 MPa or less, and the lateral covering part has a shear elastic modulus at 25° C. of more than 1 MPa.