BLOCK COPOLYMER HYDROGENATE, RESIN COMPOSITION, AND VARIOUS APPLICATIONS THEREOF

Title:

BLOCK COPOLYMER HYDROGENATE, RESIN COMPOSITION, AND VARIOUS APPLICATIONS THEREOF

Document Type and Number:

WIPO Patent Application WO/2019/230872

Kind Code:

A1

Abstract:

A block copolymer comprising: a polymer block (A) containing more than 70 mol% of a structural unit derived from an aromatic vinyl compound; and a polymer block (B) containing 30 mol% or more of a structural unit derived from a conjugated diene compound, said block copolymer further satisfying the following conditions. Condition (1): the contained amount of the polymer block (A) in the block copolymer is 1-70 mass%. Condition (2): the maximum width of a sequential temperature range in which tanδ is 1.0 or more is less than 16°C, as measured under the conditions of a distortion amount of 0.1%, a frequency of 1 Hz, a measurement temperature of -70 to 100°C and a temperature rise rate of 3°C/min, in accordance with JIS K 7244-10 (2005). Condition (3): the temperature at a peak position of tanδ under condition (2) is 0°C to +50°C. Condition (4): a mobility parameter M indicating the mobility of the polymer block (B) is 0.01 to 0.25 seconds.

Inventors:

SENDA YASUSHI (JP)
KATO MASAHIRO (JP)
MASUDA MIKIO (JP)

Application Number:

PCT/JP2019/021485

Publication Date:

December 05, 2019

Filing Date:

May 30, 2019

Export Citation:

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Assignee:

KURARAY CO (JP)

International Classes:

C08F297/04; B32B27/30; C08F8/04; C08L23/00; C08L53/02; C08L55/02; C08L69/00; C08L71/12; C08L77/00; C09D153/02; C09J153/02; F16F15/08

Domestic Patent References:

WO2017073695A1	2017-05-04
WO2017159800A1	2017-09-21
WO2017016975A1	2017-02-02
WO2018150882A1	2018-08-23
WO2015156334A1	2015-10-15
WO2012026501A1	2012-03-01
WO2003033583A1	2003-04-24

Foreign References:

JPH02300250A	1990-12-12
JPH05202287A	1993-08-10
JP2002284830A	2002-10-03
EP1235683A1	2002-09-04

Other References: