Title:
POLYMER-MODIFIED ASPHALT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2018/055976
Kind Code:
A1
Abstract:
In order to provide a polymer-modified asphalt composition that exhibits both a workability-improving effect and an increased strength and increased durability on a paved roadway, the polymer-modified asphalt composition is characterized by containing, in wt%, 93.0 to 96.7% base asphalt, 3 to 5% SBS, and 0.3 to 2.0% saturated fatty acids having 12 to 22 carbons, and is further characterized in that the base asphalt contains at least one of straight asphalt, propane-deasphalted asphalt, and an aromatic heavy mineral oil.
Inventors:
SEO AKIRA (JP)
NOGUCHI KENTARO (JP)
NOGUCHI KENTARO (JP)
Application Number:
PCT/JP2017/030377
Publication Date:
March 29, 2018
Filing Date:
August 24, 2017
Export Citation:
Assignee:
SHOWA SHELL SEKIYU (JP)
International Classes:
C08L95/00; C08K5/09; C08L53/02; E01C7/22
Foreign References:
| JPH07278439A | 1995-10-24 | |||
| JP2010150346A | 2010-07-08 | |||
| JP2011099058A | 2011-05-19 | |||
| JP2012136661A | 2012-07-19 | |||
| JP2012233074A | 2012-11-29 | |||
| JP2014125568A | 2014-07-07 | |||
| JP2015199836A | 2015-11-12 | |||
| JP2015143340A | 2015-08-06 | |||
| JP2016121320A | 2016-07-07 | |||
| JP2017066238A | 2017-04-06 |
Attorney, Agent or Firm:
ABIKO Gen (JP)
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