Title:
INTERLAYER FILM FOR LAMINATED GLASS, AND LAMINATED GLASS
Document Type and Number:
WIPO Patent Application WO/2021/261507
Kind Code:
A1
Abstract:
The present invention provides an interlayer film for a laminated glass, said interlayer film being capable of preventing color transfer. When the interlayer film for a laminated glass according to the present invention is disposed between two clear glass sheets in accordance with JIS R3202: 1996 to obtain a laminated glass X and the parallel light transmittance of the obtained laminated glass X is measured, the interlayer film includes a colored part that has a parallel light transmittance of lower than 60% and a transparent part that has a parallel light transmittance of 60% or higher. The average thickness of the interlayer film in the colored part is less than the average thickness of the interlayer film in the transparent part, and the absolute value of the difference between the average thickness of the interlayer film in the colored part and the average thickness of the interlayer film in the transparent part is 10 μm or more.
Inventors:
ISHIDA JUN (JP)
NISHINO HIROMITSU (JP)
NISHINO HIROMITSU (JP)
Application Number:
PCT/JP2021/023737
Publication Date:
December 30, 2021
Filing Date:
June 23, 2021
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C03C27/12; B60J1/00
Domestic Patent References:
| WO2019022007A1 | 2019-01-31 | |||
| WO2020040114A1 | 2020-02-27 | |||
| WO2017126468A1 | 2017-07-27 | |||
| WO2003059837A1 | 2003-07-24 |
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
Download PDF: