An electro-optic element includes a first substantially transparent polymer substrate defining first and second surfaces. The second surface includes a first electrically conductive layer. A first polymer multi-layer film is disposed between the first substrate and the first conductive layer. The first polymer multi-layer film includes a first polymer layer, an inorganic layer, and a second polymer layer. A second substantially transparent substrate defines a third surface and a fourth surface. The third surface includes a second electrically conductive layer. An electrochromic medium is disposed in a cavity defined between the first and second substrates and includes a cathodic material, an anodic material, and at least one solvent.

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.

There are provided a plastic sheet making the inter-layer peeling in laminated glass become difficult to occur, and furthermore, being capable of enhancing the penetration resistance of laminated glass, and an interlayer film for laminated glass prepared therewith. The plastic sheet used for an interlayer film for laminated glass according to the present invention is a plastic sheet used for an interlayer film for laminated glass and has a first surface and a second surface opposite to the first surface which are coated with a surface treatment agent or modified by a surface treatment so that the wetting tension of each of the first surface and the second surface is greater than or equal to 40 mN/m.

The present invention provides an interlayer film for laminated glass which has excellent sound insulating properties even when the thickness is reduced, and also hardly causes optical unevenness. An interlayer film for laminated glass includes at least one layer A containing a thermoplastic elastomer, wherein the shear storage modulus of the layer A at 70 C. as measured by performing a dynamic viscoelasticity test at a frequency of 1,000 Hz in accordance with ASTM D4065-06 is 1 MPa or more, and a layer having a higher shear storage modulus than the layer A is provided on at least one surface of the layer A, and at least one surface of the interlayer film for laminated glass is in a state of having been shaped.

There is provided an interlayer film for laminated glass which is high in heat shielding properties. The interlayer film for laminated glass according to the present invention 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 first resin layer is higher by 10% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer.

Provided are certain poly(vinyl acetal) compositions useful in safety glass construction. The compositions of the invention can be extruded into sheets and serve as interlayers between glass panels. In particular, the compositions comprise one or more solar additives and a divalent magnesium ion and at least 2 carboxylate groups wherein the corresponding carboxylic acids of the carboxylate groups each have a pKa of less than about 4.80. The respective magnesium salts used as adhesion control agents may be hydrates.

A UV stable polymer composition comprising a poly(vinyl acetal) resin, a plasticizer and at least one UV absorber, wherein the ultraviolet absorber comprises structure (1)

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There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention is provided with 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 is provided with 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 than 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 second resin layer.

There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force. In the interlayer film for laminated glass according to the present invention, when a process composed of sputtering and measurement by TOF-SIMS is performed n times, n Ratio.sub.ns of Ion Intensity of Magnesium/Ion Intensity of Thermoplastic Resin obtained from the first to n-th sputtering and measurement processes are collected to calculate an average value.sub.1n10 of 10 values of Ratio.sub.1n10 measured within a range of 1n10, furthermore, after the interlayer film is heated for 0.5 hours at 150 C., a process composed of sputtering and measurement by TOF-SIMS is performed q times, and q Ratio.sub.Heat qs of Ion Intensity of Magnesium/Ion Intensity of Thermoplastic Resin obtained from the first to q-th sputtering and measurement processes are collected to calculate an average value.sub.Heat 1q10 of 10 values of Ratio.sub.Heat 1q10 measured within a range of 1q10, the average value.sub.Heat 1q10 is smaller than the average value.sub.1n10.

There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force. In the interlayer film for laminated glass according to the present invention, when a process composed of sputtering and measurement by TOF-SIMS is performed n times and n Ratio.sub.ns of Ion Intensity of Potassium/Ion Intensity of Thermoplastic Resin obtained from the first to n-th sputtering and measurement processes are collected to calculate an average value.sub.1n10 of 10 values of Ratio.sub.1n10 measured within a range of 1n10 and an average value.sub.1n150 values of Ratio.sub.1n150 measured within a range of 1n150, the average value.sub.1n10 is more than 1.1 times the average value.sub.1n150.