Sekisui Chemical Co., Ltd.

Asahi Glass Company, Limited

Orient Chemical Industries, Ltd.

Sekisuichemicalco.,ltd.

Hirofumi Kitano

Kazuhiko Nakayama

Hiroaki Inui

Juichi Fukatani

Ryuta Tsunoda

Manabu Matsumoto

Daizou Ii

Bungo Hatta

Minoru Inada

Taiki Katayama

Yuusuke Oota

Takazumi Okabayashi

Jun Hikata

Daizo Ii

Takahiro Futamura

Keiichi Osano

Daizou Il

The present invention aims to provide an interlayer film for laminated glass which, while having recesses in the shape of engraved lines, enables the production of a laminated glass with high production efficiency by a nip roll method; a roll of the interlayer film for laminated glass; a laminated glass including the interlayer film for laminated glass; and a method of producing laminated glass. The present invention relates to an interlayer film for laminated glass. The interlayer film includes, on at least one surface thereof, a large number of recesses and a large number of projections. The recesses have a groove shape with a continuous bottom. The recesses are adjacently arranged regularly side by side in parallel with one another. The recesses in a groove shape with a continuous bottom are inclined 55&#xb0; or less relative to the machine direction of the film in production of the interlayer film for laminated glass.

Laminated-glass intermediate film, rolled body, laminated glass, and method for producing laminated glass

The present invention aims to provide an interlayer film for a laminated glass capable of exhibiting high deaeration properties in a vacuum deaeration method and enabling production of a highly transparent laminated glass, and a laminated glass including the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass, having a large number of recesses on at least one surface, the recesses each having a groove shape with a continuous bottom and being regularly adjacent and parallel to each other, the recesses each having a radius of rotation R of a bottom of the groove shape with a continuous bottom of 45 &#x3bc;m or less.

Interlayer film for laminated glass, and laminated glass

The present invention aims to provide a vehicular windshield having a laminated glass structure in which an interlayer film for laminated glass is interposed between at least a pair of glass plates, which contains few air bubbles remaining between the glass plates and the interlayer film for laminated glass to have an excellent appearance and is less likely to cause ghosting when external rays of light are seen through the vehicular windshield.

Vehicle front glass

The present invention aims to provide an interlayer film for a laminated glass which can be stored in a stacked state without experiencing autohesion so as to be easily peelable, and a laminated glass including the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass, having a large number of recesses and a large number of projections on a first surface and a second surface opposite to the first surface, the recesses on the first surface and the second surface each having a groove shape with a continuous bottom and being regularly adjacent and parallel to each other, the interlayer film for a laminated glass satisfying Formulae (1) and (2):&#x3b8;&#x2265;10&#xb0;&#x2003;&#x2003;(1),&#x2264;0.3&#x2003;&#x2003;(2),the &#x3b8; representing an intersection angle of the recesses each having a groove shape with a continuous bottom on the first surface and the recesses each having a groove shape with a continuous bottom on the second surface, the Sm representing the average of Sm1 (&#x3bc;m) and Sm2 (&#x3bc;m), the Sm1 representing an interval between the recesses each having a groove shape with a continuous bottom on the first surface, the Sm2 representing an interval between the recesses each having a groove shape with a continuous bottom on the second surface, the R representing the average of R1 (&#x3bc;m) and R2 (&#x3bc;m), the R1 representing the radius of rotation of the projections on the first surface, the R2 representing the radius of rotation of the projections on the second surface.

Laminated glass intermediate film and laminated glass

Provided is an interlayer film for laminated glass which has high heat shielding properties, a high visible transmittance, and excellent light resistance which enables retention of the high visible transmittance for a long period of time. The interlayer film for laminated glass according to the present invention has an interlayer film for laminated glass with a single layer structure or a laminated structure of two or more layers, the interlayer film for laminated glass according to the present invention comprises a first layer, and the first layer contains a polyvinyl acetal resin; a plasticizer; a tungsten oxide particle; a magnesium salt of an organic acid having a branched structure; and a metal salt of a C2 to C8 organic acid, other than the magnesium salt of an organic acid having a branched structure.

Interlayer for laminated glass, and laminated glass

The present invention is an interlayer film for laminated glass that includes 2 or more resin layers laminated on each other. The interlayer film for laminated glass has a large number of recesses and a large number of protrusions on at least one surface thereof. The recesses each have a groove shape with a continuous bottom. The recesses adjacent to each other are parallel to each other and regularly arranged in a line.

Interlayer film for laminated glass and laminated glass

The present invention aims to provide an interlayer film for a laminated glass which includes two or more resin layers laminated together and which has excellent deaeration properties in the manufacturing process of a laminated glass and prevents ghosting. The present invention also aims to provide a laminated glass comprising the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass which includes two or more resin layers laminated together and has many minute recesses and many minute protrusions on at least one surface thereof. The recesses have a groove shape with a continuous bottom. The recesses are formed in a regular manner, and recesses adjacent to each other being parallel. Recesses adjacent to each other are spaced less than 750 &#x3bc;m.

Intermediate film for laminated glass and laminated glass

The present invention aims to provide an interlayer film for a laminated glass capable of exhibiting high deaeration properties even in a nip roll method and hardly forming air bubbles to enable the production of a highly visible laminated glass, and a laminated glass including the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass, having a large number of recesses and a large number of projections on at least one surface, the recesses each having a groove shape with a continuous bottom and being regularly adjacent to each other in parallel with one another, the recesses each having a groove shape with a continuous bottom having a ratio (R/Sm&#xd7;100) of a radius of rotation R of the bottom to an interval Sm between the recesses of 15% or higher.

The present invention aims to provide an interlayer film for an automotive windshield which, while having recesses in the shape of engraved lines, enables the production of automotive windshields with high yield by a vacuum deaeration method; a roll of the interlayer film for an automotive windshield; and an automotive windshield including the interlayer film for an automotive windshield. The present invention relates to an interlayer film for an automotive windshield. The interlayer film includes, on at least one surface thereof, a large number of recesses and a large number of projections. The recesses have a groove shape with a continuous bottom. The recesses are adjacently arranged regularly side by side in parallel with one another. The recesses in a groove shape with a continuous bottom are inclined 35&#xb0; or more relative to the machine direction of the film in production of the interlayer film for an automotive windshield.

Vehicle-windshield-glass intermediate film, rolled body, and vehicle windshield glass

The present invention provides an interlayer film for laminated glass which enables production of laminated glass having a high visible transmittance and excellent heat-shielding properties, and enables the laminated glass to retain the high visible transmittance for a long period of time; and provides laminated glass including the interlayer film. An interlayer film for laminated glass according to the present invention includes a first heat-shielding layer and at least one second heat-shielding layer. The first heat-shielding layer includes a thermoplastic resin and at least one component selected from a phthalocyanine compound, a naphthalocyanine compound, and an anthracocyanine compound. The second heat-shielding layer includes a thermoplastic resin and metal oxide particles. The laminated glass of the present invention includes a first member for laminated glass, a second member for laminated glass, and an interlayer film sandwiched between the first member for laminated glass and the second member for laminated glass. The interlayer film is the interlayer film for laminated glass according to the present invention.

Intermediate film for laminated glasses, and laminated glass

It is an object of the present invention to provide an interlayer film for laminated glass containing gallium-doped zinc oxide fine particles as heat shielding fine particles and exhibiting a high transparency and an excellent heat shielding performance. The present invention is an interlayer film for laminated glass, which comprises gallium-doped zinc oxide fine particles, a plasticizer, a dispersant, and a thermoplastic resin, wherein the gallium-doped zinc oxide fine particles have a hexagonal crystalline structure and a c-axis crystal lattice constant of 0.5207 nm or more, and a visible light transmittance Tof 70% or more and an infrared transmittance Tof less than 75% are obtained from measurement by the method according to JIS R 3106 performed on laminated glass obtained by interposing the interlayer film for laminated glass between a pair of 2.5 mm-thick clear glass sheets.

Interlayer film for laminated glass, laminated glass, and method of producing interlayer film for 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.

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.

Growing community of inventors

Shiga, Japan

Hirofumi Kitano