INTERLAYER FILM FOR COLORED LAMINATED GLASS, AND COLORED LAMINATED GLASS

Title:

INTERLAYER FILM FOR COLORED LAMINATED GLASS, AND COLORED LAMINATED GLASS

Document Type and Number:

WIPO Patent Application WO/2018/025932

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide: an interlayer film that is for colored laminated glasses, and that has, when being used to produce a laminated glass using two sheets of clear glass conforming to JIS R3202 (1996), a visible-light transmittance Tv of 5% or less, a small variation in visible-light transmittance between portions thereof, and superior aesthetic appearance; and a colored laminated glass using the interlayer film for colored laminated glasses. This interlayer film for colored laminated glasses has a recessed portion on at least one of the surfaces and has, when being used to produce a laminated glass using two sheets of clear glass conforming to JIS R3202 (1996), a visible-light transmittance Tv of 5% or less, wherein the interlayer film comprises a laminate having at least two layers including a first resin layer containing a thermoplastic resin and a coloring agent and a second resin layer containing a thermoplastic resin and not containing a coloring agent, the ratio E1/E2 of the elasticity modulus E1 of the first resin layer to the elasticity modulus E2 of the second resin layer is 1.25 or more, and the ratio t1/t2 of the thickness t1 of the first resin layer to the thickness t2 of the second resin layer is 2.0 or less.

Inventors:

YAMAMOTO MASAKI (JP)
MATSUMOTO MANABU (JP)
INUI HIROAKI (NL)
NOHARA ATSUSHI (JP)

Application Number:

JP2017/028132

Publication Date:

February 08, 2018

Filing Date:

August 02, 2017

Export Citation:

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Assignee:

SEKISUI CHEMICAL CO LTD (JP)

International Classes:

C03C27/12; B32B17/10; B32B27/20; B60J1/00; C08L29/14

Domestic Patent References:

WO2016163486A1

2016-10-13

Foreign References:

JP2007055822A	2007-03-08
JPH01215621A	1989-08-29
JPH0762189A	1995-03-07
JP2010248026A	2010-11-04
JPS5220607B2	1977-06-04

Other References: