Sekisui Chemical Co., Ltd.

Denki Kagaku Kogyo Kabushiki Kaisha

Denka Company Limited

Shougo Yoshida

Kazuhiko Nakayama

Moyuru Okano

Manabu Matsumoto

Atsushi Nohara

Tatsuya Iwamoto

Jun Sasaki

Yoshikazu Masuyama

Hiroshi Kawate

Hajime Shouhi

Yuusuke Oota

Daisuke Nakajima

Yasuyuki Izu

Michio Shimamoto

Daizou Ii

Hiroyuki Hirano

Kinryou Chou

Koji Kido

Hirohisa Otake

Masaki Matsudou

Michiko Mori

Ryousuke Komatsu

Yuji Uchimura

Nobuyuki Tanno

Akira Mizumori

Takao Hashimoto

Provided is a thermoplastic resin film with which a glass plate-including laminate that looks different in color tone depending on the direction or angle can be obtained. A thermoplastic resin film according to the present invention includes a thermoplastic resin and a pigment, and when the thermoplastic resin film is planarly viewed with a transmission electron microscope, a number of pigments having an aspect ratio of 3 or more and 50 or less is 3 or more and 100 or less in a rectangular region of 13 μm long and 18 μm wide.

Thermoplastic resin film and glass plate-containing laminate

Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction. Configuration C: containing an oxidation inhibitor, and having such a distribution in content of the oxidation inhibitor in the widthwise direction that the content of the oxidation inhibitor is larger in one end side of the widthwise direction.

Interlayer for laminated glass, and laminated glass

Provided is a laminated glass capable of preventing scorching in an end part of the laminated glass. A laminated glass according to the present invention is a laminated glass including a first glass plate, a second glass plate, and an interlayer film, at least one of the first glass plate and the second glass plate being a heat ray absorbing plate glass conforming to JIS R3208:1998, each of the first glass plate and the second glass plate having a thickness of 1.9 mm or less, when a layer having a lowest glass transition temperature in the interlayer film being referred to as a layer X, the layer X containing a thermoplastic resin, a ratio of a weight average molecular weight of the thermoplastic resin in the layer X before the light irradiation test, to a weight average molecular weight of the thermoplastic resin in the layer X after the light irradiation test being 2 or less.

Laminated glass

Provided is a laminated glass capable of preventing breakage in an end part of the laminated glass under external impact. A laminated glass according to the present invention is a laminated glass including a first glass plate, a second glass plate, and an interlayer film, the interlayer film being arranged between the first glass plate and the second glass plate, the laminated glass having a portion where a lateral surface of the interlayer film is exposed, and a ratio of a weight of broken glass pieces determined by a ball drop test in a laminated glass after a dipping-light irradiation test, to a weight of broken glass pieces determined by the ball drop test in a laminated glass not having undergone the dipping-light irradiation test being 2.5 or less.

An interlayer film for a laminated glass according to the present invention comprises a benzotriazole-based compound having a maximum absorption wavelength peak of 370 nm or more and 405 nm or less, and has a transmittance difference represented by T&#x2212;Tof less than 2.0%, wherein Trepresents a transmittance at 400 nm after being irradiated with xenon light having an irradiance of 180 w/mfor 1000 hours at a black panel temperature of 83&#xb0; C., a temperature in a chamber of 50&#xb0; C., and a humidity in a chamber of 50% RH, and Trepresents a transmittance at 400 nm before being irradiated.

Laminated glass intermediate film and laminated glass

Provided is laminated glass capable of preventing generation of a projection in the interlayer film in an end part of laminated glass, and keeping the appearance of laminated glass excellent. Laminated glass according to the present invention is laminate glass including a first lamination glass member, a second lamination glass member, and an interlayer film containing a thermoplastic resin, and when a light irradiation test: 'conducting 4 cycles each cycle including the process of irradiating the laminated glass with xenon light at a black panel temperature of 83&#xb0; C. and a humidity of 50% RH for 144 hours, and dipping the laminated glass in pure water at 80&#xb0; C. for 24 hours' is conducted in the laminated glass, a ratio of a weight average molecular weight of the thermoplastic resin at a position of 2 mm inwardly from an end part of the laminated glass, to a weight average molecular weight of the thermoplastic resin at a position of 70 mm inwardly from an end part of the laminated glass is more than 0.5.

There is provided an interlayer film for laminated glass making a gap difficult to be generated at an end part of the sheet of laminated glass and enabling an increase in the YI value measured at the end part of the sheet of laminated glass to be suppressed. The interlayer film for laminated glass according to the present invention is provided with a first layer which contains a polyvinyl acetal resin and a plasticizer and a second layer which is arranged on a first surface side of the first layer and contains a polyvinyl acetal resin and a plasticizer, the first layer further contains a hindered amine light stabilizer having an alkyl group to bond to the nitrogen atom of a piperidine structure or an alkoxy group to bond to the nitrogen atom of a piperidine structure, and the glass transition temperature of the second layer is higher than or equal to 32&#xb0; C.

Intermediate film for laminated glass, and laminated glass

Provided is laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass, and keeping the appearance of laminated glass excellent. Laminated glass according to the present invention is laminate glass including a first lamination glass member, a second lamination glass member, and an interlayer film containing a thermoplastic resin, and no void is generated in the interlayer film irradiated with light in an end part of the laminated glass after a first light irradiation test: 'conducting 4 cycles each cycle including the process of irradiating the laminated glass with xenon light 180 W/mat a black panel temperature of 83&#xb0; C. and a humidity of 50% RH for 144 hours, and dipping the laminated glass in pure water at 80&#xb0; C. for 24 hours', or a void is generated within a length of 1 mm or less inwardly from an end part of the interlayer film irradiated with light in the end part of the laminated glass after the first light irradiation test.

The light emitting structure of the present invention includes a sheet-shaped structure which absorbs excitation light and emits light with wavelength conversion and which has a maximum emission wavelength of 400 nm or more; and an antireflection material provided on a side surface of the sheet-shaped structure.

Light emitting structure and solar photovoltaic power generation system

Provided is laminated glass capable of preventing occurrence of discoloration in the interlayer film in an end part of laminated glass, and keeping the appearance of laminated glass excellent. Laminated glass according to the present invention is laminate glass including a first lamination glass member, a second lamination glass member, and an interlayer film containing a thermoplastic resin, in which no discoloration occurs in the interlayer film irradiated with light in an end part of the laminated glass after a light irradiation test: 'the laminated glass is irradiated with xenon light at a black panel temperature of 83&#xb0; C., a temperature inside the vessel of 50&#xb0; C. and a humidity of 50% RH for 2000 hours', or discoloration occurs within a length of 1 mm or less inwardly from an end part of the interlayer film irradiated with light in the end part of the laminated glass after the light irradiation test.

The present invention aims to provide an interlayer film for a laminated glass which has a multilayer structure including two or more resin layers laminated together and can prevent optical distortion even at high temperatures, a laminated glass including the interlayer film for a laminated glass, and a method of producing the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass, the interlayer film including: two or more resin layers laminated together, one resin layer having a surface with a ratio (Rz/Sm) of a ten-point average roughness Rz (&#x3bc;m) to an average interval Sm (&#x3bc;m) of projections and recesses of 0.0018 or less as measured in conformity with JIS B-0601(1994) in the following manner: a laminated glass is produced using two clear glass sheets conforming to JIS R3202(1996) and the interlayer film; the interlayer film is peeled away from the clear glass sheets after the laminated glass is cooled with liquid nitrogen; the one resin layer is peeled away from another resin layer that is in direct contact with the one resin layer; and the Rz and Sm of the surface of the one resin layer on the side having been in contact with the other resin layer are measured.

Laminated glass intermediate film, laminated glass and laminated glass intermediate film production method

There is provided an interlayer film for laminated glass with which discoloration in the colored part can be suppressed. An interlayer film () for laminated glass according to the present invention has a colored part (X) that is colored in plan view, and a non-colored part (Y) that is not colored in plan view; the interlayer film does not contain or contains a light stabilizer in the colored part; the interlayer film contains a light stabilizer in the non-colored part; and a content of the light stabilizer in the entire non-colored part is larger than a content of the light stabilizer in the entire colored part.

Growing community of inventors

Kouka, Japan

Shougo Yoshida