BLOCK COPOLYMER, METHOD FOR PREPARING SAME, AND ASPHALT COMPOSITION COMPRISING SAME

Title:

BLOCK COPOLYMER, METHOD FOR PREPARING SAME, AND ASPHALT COMPOSITION COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2021/246794

Kind Code:

A1

Abstract:

The present invention relates to a block copolymer, a method of preparing same, and an asphalt composition comprising same, wherein the block copolymer comprises an aromatic vinyl-based polymer block, a conjugated diene-based polymer block, and a coupling agent linker, wherein the conjugated diene-based polymer block contains hydroxyl groups, and the content of the hydroxyl groups is 0.5 mol% to 12.0 mol% with respect to the double bond content of a conjugated diene-based monomer unit.

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Inventors:

KIM TAE JUNG (KR)

Application Number:

PCT/KR2021/006908

Publication Date:

December 09, 2021

Filing Date:

June 03, 2021

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C08F297/04; C08F4/52; C08F4/56; C08L53/02; C08L95/00

Foreign References:

JP2016210647A	2016-12-15
JPH0625324A	1994-02-01
KR20200061905A	2020-06-03
KR101051880B1	2011-07-26
KR20200067391A	2020-06-12
KR100711270B1	2007-04-25

Other References:

YADAV, J. S. ET AL.: "A concise stereoselective total synthesis of (+)-artemisinin", TETRAHEDRON, vol. 6, no. 11, 2010, pages 2005 - 2009, XP026906880, DOI: 10.1016/j.tet.2010.01.051
See also references of EP 3988594A4

Attorney, Agent or Firm:

BAE, KIM & LEE IP (KR)

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