IONOMER RESIN COMPOSITION, OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE

WIPO Patent Application WO/2015/190272

A1

[Problem] To provide an ionomer resin composition which has excellent transparency, heat resistance, flexibility and dimensional stability, and which is molded into a film that has small orientational birefringence and small photoelastic birefringence. To also provide: an optical film which contains the ionomer resin composition; and a polarizing plate and a liquid crystal display device, each of which is provided with the optical film. [Solution] An ionomer resin composition according to the present invention is obtained by reacting an acrylic thermoplastic resin (X) that contains a chain alkyl (meth)acrylate unit (a), an N-substituted maleimide unit (b) and an unsaturated acid and/or unsaturated acid anhydride unit (c) with a metal compound (Y). The acrylic thermoplastic resin (X) contains the chain alkyl (meth)acrylate unit (a), the N-substituted maleimide unit (b) and the unsaturated acid and/or unsaturated acid anhydride unit (c) in an amount of 80% by mass or more in total. Respective contents of the components (a), (b) and (c) relative to 100 parts by mass of the acrylic thermoplastic resin (X) excluding the unsaturated acid and/or unsaturated acid anhydride unit (c) are 70-85 parts by mass, 1-30 parts by mass and 0.1-5 parts by mass, respectively.

MATSUO AKIRA (JP)
UCHIZAWA SAYAKO (JP)

PCT/JP2015/064874

December 17, 2015

May 25, 2015

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JX NIPPON OIL & ENERGY CORP (JP)

C08F220/12; C08F8/42; C08J5/18; G02B5/30; G02F1/1335

JP2006299144A	2006-11-02
JP2006233112A	2006-09-07
JP2005232412A	2005-09-02
JP2006045369A	2006-02-16
JPH05195203A	1993-08-03
JPH04115407A	1992-04-16

KATSUNUMA Hirohito et al. (JP)
Katsunuma Hirohito (JP)

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