INTERMEDIATE FILM FOR LAMINATED GLASS AND LAMINATED GLASS

Title:

INTERMEDIATE FILM FOR LAMINATED GLASS AND LAMINATED GLASS

Document Type and Number:

WIPO Patent Application WO/2012/008582

Kind Code:

A1

Abstract:

Provided is an intermediate film for a laminated glass, which can improve the sound-insulating properties of a laminated glass when used in the constitution of the laminated glass. This intermediate film (2A, 12) for a laminated glass has a single-layer structure composed only of a first layer (2) or a laminated structure composed of at least two layers of a first layer (14) and a second layer (13, 15) laminated on at least one surface of the first layer (14). The first layer (2, 14) comprises a thermoplastic resin and a first plasticizer represented by formula (1). In the present invention, the first layer (2, 14) in the single-layer structure or the laminated structure composed of at least two layers additionally contains a second plasticizer that is a diester compound, or the second layer (13, 15) in the laminated structure composed of at least two layers contains a polyvinyl acetal resin having a hydroxy group content of 25-40 mol% and a plasticizer.

Inventors:

SHIMAMOTO MICHIO (JP)
MATSUDA SHOTA (JP)
YANG SINYUL (JP)
HIROTA ETSUROU (JP)
KANI KOHEI (JP)
IWAMOTO TATSUYA (JP)

Application Number:

PCT/JP2011/066247

Publication Date:

January 19, 2012

Filing Date:

July 15, 2011

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SEKISUI CHEMICAL CO LTD (JP)
SHIMAMOTO MICHIO (JP)
MATSUDA SHOTA (JP)
YANG SINYUL (JP)
HIROTA ETSUROU (JP)
KANI KOHEI (JP)
IWAMOTO TATSUYA (JP)

International Classes:

C03C27/12; C08K5/103; C08K5/11; C08L29/14; C08L101/00

Foreign References:

JP2010523449A	2010-07-15
JP2010059009A	2010-03-18
JP2010100512A	2010-05-06
JPS57200250A	1982-12-08
JPH04254444A	1992-09-09

Other References: