Title:
ASPHALT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/017334
Kind Code:
A1
Abstract:
The present invention pertains to an asphalt composition having excellent durability after being dried, an asphalt mixture, and a production method for the asphalt mixture. [1] This asphalt composition contains asphalt, a thermoplastic elastomer, and a polyester, wherein the polyester has a softening point of 90-140ºC and a glass transition point of 40-80ºC, and the proportion of the polyester is 1-17 parts by mass with respect to 100 parts by mass of the asphalt. [2] This asphalt mixture contains an aggregate and the asphalt composition described in [1]. [3] This production method for an asphalt mixture comprises a step for mixing asphalt, a thermoplastic elastomer, and a polyester, wherein the polyester has a softening point of 90-140ºC and a glass transition point of 40-80ºC, and the proportion of the polyester is 1-17 parts by mass with respect to 100 parts by mass of the asphalt.
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Inventors:
HASHIMOTO RYOICHI (JP)
IWAMOTO RYOJI (JP)
IWAMOTO RYOJI (JP)
Application Number:
PCT/JP2018/026719
Publication Date:
January 24, 2019
Filing Date:
July 17, 2018
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
C08L95/00; C08L9/06; C08L67/02; E01C7/26
Domestic Patent References:
| WO2017125421A1 | 2017-07-27 | |||
| WO2018003151A1 | 2018-01-04 | |||
| WO2018037771A1 | 2018-03-01 | |||
| WO2018134921A1 | 2018-07-26 |
Foreign References:
| JP2005126998A | 2005-05-19 | |||
| JP2006124460A | 2006-05-18 | |||
| JPH048766A | 1992-01-13 | |||
| JP2000169208A | 2000-06-20 |
Other References:
MODARRES, AMIR ET AL.: "Effect of waste plastic bottles on the stiffness and fatigue properties of modified asphalt mixes", MATERIALS AND DESIGN, vol. 61, September 2014 (2014-09-01), pages 8 - 15, XP055554536, DOI: 10.1016/j.matdes.2014.04.046
GE, ZHI ET AL.: "Properties of plastic mortar made with recycled polyethylene terephthalate", CONSTRUCTION AND BUILDING MATERIALS, vol. 73, 27 October 2014 (2014-10-27), pages 682 - 687, XP055658173, DOI: 10.1016/j.conbuildmat.2014.10.005
See also references of EP 3656821A4
GE, ZHI ET AL.: "Properties of plastic mortar made with recycled polyethylene terephthalate", CONSTRUCTION AND BUILDING MATERIALS, vol. 73, 27 October 2014 (2014-10-27), pages 682 - 687, XP055658173, DOI: 10.1016/j.conbuildmat.2014.10.005
See also references of EP 3656821A4
Attorney, Agent or Firm:
KATAOKA, Makoto et al. (JP)
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