INTERLAYER FILM FOR LAMINATED GLASS, AND LAMINATED GLASS

Title:

INTERLAYER FILM FOR LAMINATED GLASS, AND LAMINATED GLASS

Document Type and Number:

WIPO Patent Application WO/2017/171043

Kind Code:

A1

Abstract:

Provided is an interlayer film for a laminated glass, the interlayer film having a high Young's modulus, high bending rigidity, and high sound insulating properties. The interlayer film for a laminated glass pertaining to the present invention has a single-layer structure or a two-layer structure, is provided with a first layer including an ionomer resin containing polyvinyl acetal into which an acid group is introduced, or containing a (meth)acrylic resin into which an acid group is introduced, the content ratio of the acid group in the ionomer resin being 1.5 mol% to 10 mol%, the degree of neutralization of the ionomer resin being 10% to 90%, and the first layer having a glass transition temperature in the temperature region of -20°C to 0°C.

Inventors:

SHINDO KAORU (JP)
NAGAI YASUHARU (JP)
TANIKAWA YUJI (JP)

Application Number:

PCT/JP2017/013712

Publication Date:

October 05, 2017

Filing Date:

March 31, 2017

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SEKISUI CHEMICAL CO LTD (JP)

International Classes:

C03C27/12; B32B17/10; B32B27/22; B32B27/30; C08L29/14; C08L33/04

Foreign References:

JP2012519646A	2012-08-30
US20130295357A1	2013-11-07
JPH08295541A	1996-11-12
JPH072932A	1995-01-06
JPS57153064A	1982-09-21
JP2007070200A	2007-03-22
US20130236711A1	2013-09-12
US4969744A	1990-11-13

Other References: