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Title:
BIAXIALLY-ORIENTED SHEET AND MOLDED ARTICLE THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/122775
Kind Code:
A1
Abstract:
Provided are: a biaxially-oriented sheet that comprises a styrene resin composition and has excellent transparency, strength, heat resistance, film forming properties, and formability during secondary molding, as well as superior resistance to cracking during trimming; and a molded article of the biaxially-oriented sheet. The biaxially-oriented sheet comprises a styrene resin composition that includes a styrene-methacrylic acid copolymer (A) and a high impact polystyrene (B) in a mass ratio (A)/(B) of 97.0/3.0 to 99.9/0.1, wherein the content of a methacrylic acid monomer unit in the styrene-methacrylic acid copolymer (A) is 3–14 mass%, the Vicat softening temperature of the styrene resin composition is in the range of 106–132°C, and the orientation release stress in both the longitudinal direction and the transverse direction of the biaxially-oriented sheet is 0.5–1.2 MPa. The molded article is a molded article of said biaxially-oriented sheet.

Inventors:
YOKOZUKA MANABU (JP)
YOSHIMURA DAISUKE (JP)
MOTOI DAISUKE (JP)
Application Number:
PCT/JP2017/001000
Publication Date:
July 20, 2017
Filing Date:
January 13, 2017
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
International Classes:
B29C55/00; C08J5/18; C08L25/14; C08L51/04; B29K105/04; B29L7/00
Domestic Patent References:
WO2012063876A12012-05-18
Foreign References:
JP2007284601A2007-11-01
JPH06279546A1994-10-04
JP2005281646A2005-10-13
JP2008248156A2008-10-16
JP2011001074A2011-01-06
JP2002020564A2002-01-23
JP2009029868A2009-02-12
JP2010502770A2010-01-28
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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