Sekisui Chemical Co., Ltd.

Sekisuichemicalco.,ltd.

Hiroaki Inui

Kazuhiko Nakayama

Hirofumi Kitano

Manabu Matsumoto

Atsushi Nohara

Masaki Yamamoto

Kentarou Ogino

Takeshi Yoshida

Yuusuke Oota

Taiki Katayama

The present invention aims to provide an interlayer film for a colored laminated glass which exhibits a visible light transmittance Tv of 5% or lower, small variation in visible light transmittance and an excellent appearance when incorporated in a laminated glass together with two clear glass plates in conformity with JIS R3202 (1996), and a colored laminated glass produced using the interlayer film for a colored laminated glass. Provided is an interlayer film for a colored laminated glass exhibiting a visible light transmittance Tv of 5% or lower when incorporated in a laminated glass together with two clear glass plates in conformity with JIS R3202 (1996), the interlayer film for a colored laminated glass including a laminate of at least two layers including a first resin layer containing a thermoplastic resin and a colorant and a second resin layer containing a thermoplastic resin and no colorant, the first resin layer satisfying a ratio of a difference &#x394;tin thickness between the maximum value tand the minimum value tto an average thickness (&#x394;t/average thickness of first resin layer) of 0.30 or less.

Interlayer film for colored laminated glass, and colored laminated glass

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 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

The present invention aims to provide an interlayer film for a colored laminated glass which exhibits a visible light transmittance Tv of 5% or lower, small variation in visible light transmittance and an excellent appearance when incorporated in a laminated glass together with two clear glass plates in conformity with JIS R3202 (1996), and a colored laminated glass produced using the interlayer film for a colored laminated glass. Provided is an interlayer film for a colored laminated glass having, recesses on at least one surface, and exhibiting a visible light transmittance Tv of 5% or lower when incorporated in a laminated glass together with two clear glass plates in conformity with JIS R3202 (1996), the interlayer film for a colored laminated glass including a laminate of at least two layers including a first resin layer containing a thermoplastic resin and a colorant and a second resin layer containing a thermoplastic resin and no colorant, the elastic modulus Eof the first resin layer and the elastic modulus Bof the second resin layer having a ratio E/Eof 1.25 or more, the thickness tof the first resin layer and the thickness tof the second resin layer having a ratio t/tof 2.0 or less.

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 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 embossed thermoplastic resin sheet that is capable of enhancing deaeration during production of laminated glass and suppressing optical distortion of the resulting laminated glass to improve the visibility when used as an interlayer film for laminated glass. The present invention also relates to an engraved roll used for production of the embossed thermoplastic resin sheet, a production method of the engraved roll, an interlayer film for laminated glass including the embossed thermoplastic resin sheet, and a laminated glass. The present invention relates to an embossed thermoplastic resin sheet 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 arranged side by side in parallel with one another, the thermoplastic resin sheet having not more than three defects of the projections per mmon the surface.

Embossed thermoplastic resin sheet, engraved roll, engraved roll manufacturing method, laminated glass interlayer, and laminated glass

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

Provided is a method for manufacturing a multilayered interlayer for safety glass that allows for reliable and easy formation of inserted layers having a larger coloring layer. The method for manufacturing includes processes for respectively delivering, from a first and a second extruding machine, thermoplastic resin composition(s) for the outermost and inserted layers formation in a molten state to the first and second delivering hole of the guide for layer disposition; a process for simultaneously forcing the thermoplastic resin composition(s) to respectively arrive in the outlets for the outermost and inserted layers formation through the flow paths for the outermost and inserted layers formation; and a process for extruding the thermoplastic resin composition(s) for the outermost and inserted layers formation as a multilayer film in a condition where the thermoplastic resin composition for the inserted layer formation is disposed between the thermoplastic resin compositions for the outermost layers formation.

Apparatus and method for manufacturing multiplex interlayer for safety glass

Provided are an apparatus and a method for manufacturing a multilayered interlayer for safety glass that allows reliable and easy formation of inserted layers having a larger coloring layer. The manufacturing apparatusfor manufacturing the multilayered interlayer for safety glass having a first outermost layer, an inserted layer, and a second outermost layer laminated together, wherein an outlet for the inserted layer formationis provided between outlets for of the first and the second outermost layers formationandon an outlet side of a guide for a layer disposition, the outlets for the first and the second outermost layers formationandand the outlet for the inserted layer formationhave a shape of a slit, the dimension L, in a slit shape in the width direction, of the outlet for the inserted layer formationis set smaller as compared with the dimension K, in a slit shape in the width direction, of the outlets for the first and the second outermost layers formationand, the thickness of the slit is set smaller with increasing proximity to the end on at least one end of the outlet for the inserted layer formationhaving a shape of a slit, and a metal mold for extrusionis connected in a subsequent stage of the guide for a layer disposition

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Roermond, Netherlands

Hiroaki Inui