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Patent Searching and Data


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:
WO2016163486A12016-10-13
Foreign References:
JP2007055822A2007-03-08
JPH01215621A1989-08-29
JPH0762189A1995-03-07
JP2010248026A2010-11-04
JPS5220607B21977-06-04
Other References:
See also references of EP 3495332A4
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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