Title:
INTERMEDIATE FILM FOR LAMINATED GLASS AND LAMINATED GLASS
Document Type and Number:
WIPO Patent Application WO/2024/071339
Kind Code:
A1
Abstract:
This intermediate film for laminated glass has 5 or more resin layers and comprises a first resin layer having a glass transition temperature of 15°C or higher and a second resin layer having a glass transition temperature of less than 15°C. The intermediate film has one end and another end on the opposite side of said one end; the thickness of the other end is thicker than the thickness of said one end; and when the ratio of the total thickness of the second resin layer to the total thickness of all resin layers is denoted as layer ratio A(%), and the distance from said one end to the other end is denoted as X, there is a region of 0.5X in which the difference between the maximum value and the minimum value of the layer ratio A is 10% or less. According to the present invention, a wedge-shaped intermediate film having good sound shielding performance can be provided.
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Inventors:
ISHIDA JUN (NL)
Application Number:
PCT/JP2023/035518
Publication Date:
April 04, 2024
Filing Date:
September 28, 2023
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C03C27/12; B32B3/30; B32B7/02; B32B17/10; B32B27/00; B60J1/00; B60J1/02
Domestic Patent References:
| WO2021200964A1 | 2021-10-07 | |||
| WO2017221930A1 | 2017-12-28 | |||
| WO2021127206A1 | 2021-06-24 |
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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