BLOCK COPOLYMER COMPOSITION - DENKI KAGAKU KOGYO KK

Title:

BLOCK COPOLYMER COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2005/010096

Kind Code:

A1

Abstract:

A block copolymer composition which is excellent in the balance between transparency and impact resistance and is improved particularly in the impact resistance of products of high-shear injection by inhibiting the products from becoming anisotropic. A block copolymer composition obtained by blending two block copolymers which are each composed of a hard segment block part consisting of a block made mainly from a vinyl aromatic hydrocarbon and a soft segment block part consisting of a block made mainly from a conjugated diene and which are specified in the structure of the hard segment block part. The molded articles made from the composition by not only extrusion or blow molding but also injection are remarkably improved in impact resistance without lowering the transparency.

Inventors:

WATANABE JUN (JP)
KURIMURA HIROYUKI (JP)
SUZUKI SHIGERU (JP)
ODA TAKESHI (JP)
SHIMIZU NORIHIRO (JP)

Application Number:

PCT/JP2004/011099

Publication Date:

February 03, 2005

Filing Date:

July 28, 2004

Export Citation:

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Assignee:

DENKI KAGAKU KOGYO KK (JP)
WATANABE JUN (JP)
KURIMURA HIROYUKI (JP)
SUZUKI SHIGERU (JP)
ODA TAKESHI (JP)
SHIMIZU NORIHIRO (JP)

International Classes:

C08F299/02; G11B7/253; (IPC1-7): C08L53/02

Foreign References:

JP2003001766A	2003-01-08
JPH07216186A	1995-08-15
JPH07238207A	1995-09-12

Other References: