TRANSPARENT HIGHLY HEAT-RESISTANT STYRENE COPOLYMER

Title:

TRANSPARENT HIGHLY HEAT-RESISTANT STYRENE COPOLYMER

Document Type and Number:

WIPO Patent Application WO/2017/094748

Kind Code:

A1

Abstract:

The objective of the present invention is to provide: a highly heat-resistant styrene copolymer having excellent hue; and a styrene resin composition. A transparent highly heat-resistant styrene copolymer which has a styrene monomer unit, a (meth)acrylate ester monomer unit and an unsaturated dicarboxylic acid anhydride monomer unit, while having a residual unsaturated dicarboxylic acid anhydride monomer amount of 100 ppm or less. This transparent highly heat-resistant styrene copolymer is able to form a resin composition together with a hindered phenolic antioxidant and a phosphorus antioxidant, and is also able to form a resin composition together with a methacrylic resin.

Inventors:

NISHINO KOHHEI (JP)
SHINDO YUICHI (JP)
SHIMOKOBA YUICHI (JP)
NOGUCHI TETSUO (JP)
MATSUMOTO MASANORI (JP)
KUROKAWA YOSHINARI (JP)

Application Number:

PCT/JP2016/085478

Publication Date:

June 08, 2017

Filing Date:

November 30, 2016

Export Citation:

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Assignee:

DENKA COMPANY LTD (JP)

International Classes:

C08F212/08; B29C47/00; C08F220/14; C08F222/06; C08K5/134; C08K5/524; C08L25/14; C08L33/10; G02B1/04; B29K25/00

Foreign References:

JPH04356501A	1992-12-10
JPS57153008A	1982-09-21
JPS5949210A	1984-03-21
JPS6042410A	1985-03-06
JPH04227613A	1992-08-17
JPS58183714A	1983-10-27
JPS5887104A	1983-05-24
JPS5993707A	1984-05-30
JPS59127303A	1984-07-23
JPS61255913A	1986-11-13
JPS61174209A	1986-08-05

Other References: