公开(公告)号：US20230264456A1

公开(公告)日：2023-08-24

申请号：US17922672

申请日：2021-06-23

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Jun ISHIDA ,  Hiromitsu NISHINO

IPC: B32B17/10

CPC classification number: B32B17/1066 ,  B32B17/10036 ,  B32B17/10761 ,  B32B2250/03 ,  B32B2307/412

Abstract: Provided is an interlayer film for laminated glass capable of suppressing color migration. In an interlayer film for laminated glass according to the present invention, when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and parallel light transmittance is measured for the obtained laminated glass X, the interlayer film has a colored region with a parallel light transmittance of less than 60%, and a transparent region with a parallel light transmittance of 60% or more, the interlayer film has an average thickness in the colored region smaller than an average thickness in the transparent region, and the interlayer film has an absolute value of difference between the average thickness in the colored region and the average thickness in the transparent region of 10 μm or more.

公开(公告)号：US20220227108A1

公开(公告)日：2022-07-21

申请号：US17617121

申请日：2020-06-10

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Jun ISHIDA ,  Hiromitsu NISHINO

IPC: B32B17/10 ,  B32B3/26 ,  B32B27/30

Abstract: Provided is an interlayer film for laminated glass with which transmitted double images in the laminated glass can be suppressed. An interlayer film for laminated glass according to the present invention has one end and the other end being at the opposite side of the one end, and the other end has a thickness larger than a thickness of the one end, and when an inclination of approximate line A and a maximum value of absolute values of deviation in partial wedge angle are calculated according to determination of a specific formula of approximate line A and calculation of deviation in partial wedge angle, the inclination of approximate line A is −0.05 mrad/m or less in at least one section A, and the maximum value of absolute values of deviation in partial wedge angle is 0.2 mrad or less.

公开(公告)号：US20230182450A1

公开(公告)日：2023-06-15

申请号：US17924006

申请日：2021-07-26

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Jun ISHIDA ,  Hiromitsu NISHINO ,  Tatsuya IWAMOTO

IPC: B32B17/10 ,  B32B3/26 ,  B32B7/02 ,  B32B27/08 ,  B32B27/22 ,  B32B27/30

CPC classification number: B32B17/10761 ,  B32B17/10036 ,  B32B3/263 ,  B32B7/02 ,  B32B27/08 ,  B32B27/22 ,  B32B27/30 ,  B32B17/10605 ,  B32B2307/538 ,  B32B2307/732 ,  B32B2307/102 ,  B32B2605/006 ,  B32B2605/08 ,  B32B2605/10 ,  B32B2605/18 ,  B32B2605/12 ,  B32B2419/00

Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property in a low-frequency region while keeping the sound insulating property in a high-frequency region high. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a two or more-layer structure, the interlayer film has one end, and the other end being at an opposite side of the one end, each layer contained in the interlayer film has one end, and the other end being at an opposite side of the one end, the one end of the each layer is located at the one end side of the interlayer film in a direction connecting the one end and the other end of the interlayer film, the other end of the each layer is located at the other end side of the interlayer film in the direction connecting the one end and the other end of the interlayer film, in the interlayer film, a thickness of the other end is larger than a thickness of the one end, and in at least one layer contained in the interlayer film, a thickness at the other end is smaller than a thickness at the one end.

公开(公告)号：US20220055352A1

公开(公告)日：2022-02-24

申请号：US17417566

申请日：2019-12-20

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Jun ISHIDA ,  Hiromitsu NISHINO ,  Aya ITOKAWA ,  Masashi YANAI

IPC: B32B17/10 ,  B32B3/26

Abstract: There is provided an interlayer film for laminated glass with which the production efficiency of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes an interlayer film body for lamination glass, and a printed part displayed by printing on a first surface of the interlayer film body for laminated glass, and the printed part is a guide for a bonding position to a lamination glass member, or product information of the interlayer film for laminated glass.

公开(公告)号：US20230086272A1

公开(公告)日：2023-03-23

申请号：US17791422

申请日：2021-01-13

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Jun ISHIDA ,  Hiroaki INUI

IPC: B32B3/26

Abstract: Provided is an interlayer film for laminated glass, having a dark color part with uniform parallel light transmittance in a shading region, and capable of suppressing color unevenness in the shading region. An interlayer film for laminated glass according to the present invention has one end, and the other on an opposite side of the one end, the other end has a thickness larger than a thickness of the one end, and when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and a specific measurement of parallel light transmittance is conducted for the laminated glass X obtained, the interlayer film has a gradation part in which a parallel light transmittance continuously reduces from the one end side to the other end side, and an absolute value of a variation rate in the parallel light transmittance is more than 0.3%/mm; a transparent part located closer to the one end side than the gradation part and having a parallel light transmittance of 60% or more; and a dark color part located closer to the other end side than the gradation part and including one or more points A having an absolute value of a variation rate in the parallel light transmittance of 0.3%/mm or less.