光学用スチレン系樹脂組成物、成形品および導光体

Japanese Patent JP7367114

B2

PROBLEM TO BE SOLVED: To provide a styrene-based resin composition, a molded article and a light guide body having excellent hue and transparency and showing small changes in the hue even when exposed to light for a long period of time.SOLUTION: The styrene-based resin composition comprises (A) a styrene-(meth)acrylic acid based copolymer resin, (B) an ether compound and/or an alcohol having 6 or more carbon atoms, and (C) a phenolic antioxidant and/or a phosphorus-based antioxidant. The content of the styrene-(meth)acrylic acid-based copolymer resin with respect to 100 mass% of the styrene-based resin composition is 80 mass% or more. The styrene-based resin composition has an initial total ray transmittance of 85% or more in an optical path length of 2 mm and shows a change amount ΔYI(Xe) of a yellowness degree of 10 or less after a xenon light fastness test (for 500 hours).SELECTED DRAWING: None

WO/1991/015543	FIBRE-REINFORCED POLYMER COMPOSITION
JP2010254757	HALOGEN-FREE FLAME-RETARDANT EPOXY RESIN COMPOSITION AND FLAME-RETARDANT ADHESIVE COMPOSITION AS WELL AS FLEXIBLE COPPER-CLAD LAMINATED BOARD USING THE SAME ADHESIVE COMPOSITION, COVER LAY, ADHESIVE FILM AND PRINTED WIRING BOARD
JP6874428	Aqueous resin composition and its manufacturing method, as well as paints and coatings

Makoto Sato
Masashi Tsukada
Hidetaka Fujimatsu
Yuhei Miyajima

JP2022071868A

October 23, 2023

April 25, 2022

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Toyo Styrene Co., Ltd.

C08L25/08; C08K5/05; F21V8/00; G02B1/04

JP2014173033A
JP2010211977A

WO2013151055A1

SK Patent Attorney Corporation
Akihiko Okuno
Hiroyuki Ito

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