BLOCK COPOLYMER, ASPHALT COMPOSITION, AND MODIFIED ASPHALT MIXTURE

Title:

BLOCK COPOLYMER, ASPHALT COMPOSITION, AND MODIFIED ASPHALT MIXTURE

Document Type and Number:

WIPO Patent Application WO/2023/074089

Kind Code:

A1

Abstract:

A block copolymer (P) which is a product of hydrogenation of a block copolymer including a polymer block (A) consisting mainly of vinylaromatic monomer units and a polymer block (B) consisting mainly of conjugated-diene monomer units, the block copolymer (P) satisfying the following requirements (1) and (2). (1) A 5 mass% toluene solution has a 25°C viscosity of 5-45 mPa·s. (2) The block copolymer (P) has a functional group.

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Inventors:

SHIROMOTO TAKAYUKI (JP)
KAMEDA IPPEI (JP)
KONDO TOMOHIRO (JP)
ARAKI YOSHIFUMI (JP)

Application Number:

PCT/JP2022/030950

Publication Date:

May 04, 2023

Filing Date:

August 16, 2022

Export Citation:

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Assignee:

ASAHI CHEMICAL IND (JP)

International Classes:

C08F297/04; C08F8/04; C08L53/02; C08L95/00; E01C7/18

Foreign References:

JP2017025144A	2017-02-02
JP2017025141A	2017-02-02
JP2018150430A	2018-09-27
JP2017025142A	2017-02-02
JP2016065192A	2016-04-28
JP2005126485A	2005-05-19
JP2002201333A	2002-07-19
JP2011068828A	2011-04-07
JP2013082841A	2013-05-09
JPH0912898A	1997-01-14
JP2004059781A	2004-02-26
JPS3619286B1	1961-10-13
JPS4317979B1
JPS4632415B1
JPS4936957A	1974-04-05
JPS482423B1
JPS484106B1
JPS5628925A	1981-03-23
JPS59166518A	1984-09-19
JPS60186577A	1985-09-24
JPS428704B1	1967-04-20
JPS436636B1	1968-03-12
JPS634841A	1988-01-09
JPS6437970A	1989-02-08
JPS6453851A	1989-03-01
JPH029041A	1990-01-12
JPH08109219A	1996-04-30
JP2021173982A	2021-11-01

Other References:

I. M. KOLTHOFF ET AL., J. POLYM. SCI., vol. 1, 1946, pages 429
"The Shell Bitumen Handbook", 1990, SHELL BITUMEN U.K

Attorney, Agent or Firm:

INABA, Yoshiyuki et al. (JP)

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