公开(公告)号：US20230211588A1

公开(公告)日：2023-07-06

申请号：US17922443

申请日：2021-05-25

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Kuon MINAMI ,  Hiromitsu NISHINO ,  Moyuru OKAJIMA ,  Ryuta TSUNODA

IPC: B32B17/10

CPC classification number: B32B17/10761 ,  B32B17/10073 ,  B32B17/10605 ,  B32B17/10678 ,  B32B2250/04 ,  B32B2307/71

Abstract: Provided is an interlayer film for laminated glass capable of suppressing generation of a gap in the interlayer film in end parts of the laminated glass although the interlayer film in which an increment in thickness is not constant from one end to the other end is used. An interlayer film for laminated glass according to the present invention contains a light stabilizer, and an oxidation inhibitor, and has one end, and the other end being at an opposite side of the one end and having a larger thickness than the one end, and the interlayer film for laminated glass has an increment not constant in thickness from the one end to the other end.

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：US20230059935A1

公开(公告)日：2023-02-23

申请号：US17792039

申请日：2021-03-30

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Hiromitsu NISHINO ,  Koji KIDO

IPC: B32B3/26 ,  B60K35/00

Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property of the laminated glass. 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 includes one end and the other end being on an opposite side of the one end and having a thickness larger than a thickness of the one end, at least one layer having a glass transition temperature of less than 15° C., and a region where a value of Y/X is 0.12 or more when the interlayer film has a thickness of X μm and a total thickness of the at least one layer having a glass transition temperature of less than 15° C. is denoted by Y μm, and the interlayer film has an average thickness of each surface layer, in a region from a position of 100 mm to a position of 400 mm from the one end toward the other end, of less than 300 μm.

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：US20210339505A1

公开(公告)日：2021-11-04

申请号：US17282566

申请日：2019-10-09

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Hiromitsu NISHINO

IPC: B32B17/10 ,  G02B27/01 ,  B32B3/26

Abstract: Provided is an interlayer film for laminated glass with which double images in laminated glass can be significantly suppressed. The interlayer film for laminated glass according to the present invention is an interlayer film for use in a laminated glass that is a head-up display, the interlayer film has one end, and the other end being at the opposite side of the one end, the other end has a thickness larger than a thickness of the one end, the interlayer film has a region for display corresponding to a display region of the head-up display, and when three regions obtained by equally dividing the region for display into three in a direction connecting the one end and the other end are named a first partial region for display, a second partial region for display, and a third partial region for display in sequence from the one end side, as to partial wedge angle Ax, Bx, and Cx in the first, second, and third partial regions for display, and partial wedge angle φx in the region for display satisfy, |Ax−φx| is 0.05 mrad or less, |Bx−φx| is 0.05 mrad or less, and |Cx−φx| is 0.05 mrad or less.