There is provided an interlayer film for laminated glass with which the visibility can be made uniform over the whole area of laminated glass. The interlayer film for laminated glass according to the present invention contains a thermoplastic resin and a heat shielding compound and has one end and the other end being at the opposite side of the one end and having a thickness thicker than the one end, the absolute value of a difference between the thickness of a thickest portion and the thickness of a thinnest portion is 0.1 mm or more, and in a sheet of laminated glass prepared by sandwiching the interlayer film between two sheets of heat ray-absorbing plate glass with a thickness of 2.1 mm, the absolute value of a difference between the visible light transmittance at the thickest portion of the interlayer film and the visible light transmittance at the thinnest portion of the interlayer film is 4% or less.

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.

A laminated glass includes a first glass plate; a second glass plate with a plate thickness which is less than a plate thickness of the first glass plate; and an intermediate film. The first glass plate and the second glass plate are laminated via the intermediate film. An external dimension of the second glass plate is less than an external dimension of the first glass plate. At least a part of an outer peripheral edge of the second glass plate is located on an inner periphery side with respect to an outer peripheral edge of the first glass plate.

A laminated glazing includes an outer sheet of clear glass and an inner sheet of clear glass, which are joined to one another by an interlayer of plastic, includes the succession of the following elements, from the inside to the outside of the glazing: the inner sheet of clear glass, a stack of layers reflecting infrared radiation between 780 nm and 2500 nm, the interlayer including successively a) a first thin sheet including a layer of a polymer compound or of a varnish, the polymer compound or the varnish including a dye, the dye absorbing substantially all of the light within the visible region and being substantially transparent to the infrared, b) a second thin sheet of an untinted plastic, the outer sheet of clear glass.

An interlayer film for laminated glass of the present invention comprises at least an absorption region in which a skin absorption energy rate (X1) of a laminated glass is 25% or less, provided that the laminated glass is produced using two clear glass plates having a solar transmittance of 87.3% based on JIS R 3106.

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.

A laminated glazing comprising first and second sheets of glass joined together by an interlayer structure comprising at least first and second layers of adhesive interlayer material with a support sheet therebetween is disclosed. The laminated glazing is arranged such that the first layer of adhesive interlayer material is between the first sheet of glass and the support sheet, the second layer of adhesive interlayer material is between the second sheet of glass and the support sheet support material and at least a portion of the second major surface of the first sheet of glazing material faces the first major surface of the second sheet of glazing material. In the event of breakage of the first sheet of glass, the second layer of adhesive interlayer material remains attached to the support sheet thereby keeping the second glass sheet from becoming detached from the laminated glazing.

A film for laminating glass includes a polyvinyl acetal, a plasticizer, inorganic particles, and a trioxane-based compound.

Provided is an interlayer film for laminated glass capable of suppressing the change in sound insulating property of laminated glass in a relatively high temperature region. 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, and when the interlayer film is sandwiched between two sheets of green glass having a thickness of 2 mm to obtain a laminated glass X with a size of 25 mm long x 300 mm wide, an absolute value of difference between a secondary resonance frequency of the laminated glass X before irradiation with xenon light and a secondary resonance frequency of the laminated glass X after irradiation with xenon light determined by a specific xenon light irradiation test is 70 Hz or less, a loss factor at 20° C. of the laminated glass X is 0.24 or more, and a solar transmittance of the laminated glass X is 50 or less.

A colored thermoplastic intermediate layer with a width, a height, and a wedge-shaped cross-section with a thicker first end and a thinner second end, at least comprising a first colored thermoplastic layer with a width, a height, and a wedge-shaped cross-section with a thicker first end and a thinner second end, wherein the width and the height of the colored thermoplastic intermediate layer equal the width and the height of the first colored thermoplastic layer, the first colored thermoplastic layer has a dye, the dye concentration in the first colored thermoplastic layer increases from its thicker first end to its thinner second end, the light transmittance through the first colored thermoplastic layer is constant over its entire width and its entire height, and the light transmittance through the colored thermoplastic intermediate layer is constant over its entire width and its entire height.