INTERLAYER FILM FOR COLORED LAMINATED GLASS, AND COLORED LAMINATED GLASS

WIPO Patent Application WO/2018/025937

A1

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, 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, and the ratio (Δt1/average thickness of first resin layer) of the difference Δt1 between the maximum value t1max and the minimum value t1min of the thickness of the first resin layer with respect to the average thickness of the first resin layer is 0.30 or less.

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

PCT/JP2017/028137

February 08, 2018

August 02, 2017

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SEKISUI CHEMICAL CO LTD (JP)

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

WO2016163486A1

2016-10-13

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

See also references of EP 3495333A4

YASUTOMI & ASSOCIATES (JP)

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