Title:
ASPHALT COMPOSITION, ASPHALT MIXTURE, APPARATUS FOR PRODUCING ASPHALT COMPOSITION, SYSTEM FOR PRODUCING ASPHALT COMPOSITION, AND METHOD FOR PRODUCING ASPHALT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/194702
Kind Code:
A1
Abstract:
[Problem] To provide a technology for improving the storage stability, strength, and workability of an asphalt composition. [Solution] An asphalt composition according to the present disclosure is characterized by containing: 4.0-6.0 wt% (exclusive of 6.0) of a styrene-butadiene-styrene copolymer (SBS); 0.5-3.0 wt% of a C20 polycyclic diterpene having a carboxylic group; and 0.5-5.0 wt% of a petroleum resin, with the remainder comprising at least base asphalt containing at most 3.9 wt% of an aroma-based oil, wherein the SBS has a 25% toluene solution viscosity of 2,500-5,000 mPa·s and the petroleum resin has a bromine number of 30 or less.
Inventors:
SEO AKIRA (JP)
NOGUCHI KENTARO (JP)
WU YUEQIAO (JP)
NOGUCHI KENTARO (JP)
WU YUEQIAO (JP)
Application Number:
PCT/JP2019/013758
Publication Date:
October 01, 2020
Filing Date:
March 28, 2019
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C08L95/00; C08L53/02; C08L93/04
Domestic Patent References:
| WO2018230299A1 | 2018-12-20 |
Foreign References:
| JP2012233074A | 2012-11-29 | |||
| JP2016121320A | 2016-07-07 |
Attorney, Agent or Firm:
ABIKO Gen (JP)
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