Sekisui Chemical Co., Ltd.

Asahi Glass Company, Limited

Orient Chemical Industries, Ltd.

Minoru Inada

Bungo Hatta

Hirofumi Kitano

Jun Hikata

Kazuhiko Nakayama

Takahiro Futamura

Yuji Masaki

An interlayer film for laminated glass that suppresses the transmittance of ultraviolet rays with a wave length of 400 nm to 1% or less, and has high light resistance. The interlayer film for laminated glass comprises a thermoplastic resin, an ultraviolet absorber having a structure of formula (1), and an ultraviolet absorber having a structure of formula (2), wherein the amount of the ultraviolet absorber of formula (1) is 0.001 to 0.05% by weight, and the amount of the ultraviolet absorber of formula (2) is 0.5 to 1.0% by weight; wherein Ris a Calkyl group; Ris hydrogen, a Calkyl group, or a Caralkyl group; Ris hydrogen or a Calkyl group; and Ris hydrogen or a Calkyl group.

Interlayer for laminated glass, and laminated glass

An interlayer film for a laminated glass which reduces transmittance of ultraviolet rays having wavelength of 380 to 400 nm and has an excellent durability to light exposure, while maintaining high visible light transmittance. The interlayer film for a laminated glass comprises a thermoplastic resin and an indole compound having a structure represented by the following chemical formula 1: Wherein Rrepresents an alkyl group having 1-3 carbon atoms, and Rrepresents hydrogen, an alkyl group having 1-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms.

Interlayer film for laminated glass and laminated glass

The present invention has its object to provide an interlayer film for a laminated glass, which is excellent in penetration resistance, moisture resistance, and sound insulation. The present invention relates to an interlayer film for a laminated glass, which comprises: a polyvinyl acetal resin; and a plasticizer, the plasticizer being represented by formula (1): wherein Rrepresents a phenyl group, Rrepresents an alkylene group having 2 to 4 carbon atoms, and n represents 4 to 6.

Intermediate film for laminated glasses

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Shiga, Japan

Minoru Inada