Title:
道路の舗装方法
Document Type and Number:
Japanese Patent JP6787588
Kind Code:
B2
Abstract:
The present invention relates to a road paving method enabling one to provide an asphalt paving material layer in which both excellent stability and stress relaxation can be made compatible with each other, the method includingStep 1: a step of mixing asphalt, a thermoplastic elastomer, a polyester, and an aggregate to obtain an asphalt mixture, andStep 2: a step of laying the asphalt mixture obtained in Step 1 on a road, thereby forming an asphalt paving material layer, whereinthe polyester has a softening point of 90°C or higher and 140°C or lower and a glass transition point of 40°C or higher and 80°C or lower, anda ratio of the polyester is more than 17 parts by mass and 50 parts by mass or less based on 100 parts by mass of the asphalt.
Inventors:
Ryoichi Hashimoto
Ryoji Iwamoto
Tokumitsu Katsuya
Park Sung Hee
Ryoji Iwamoto
Tokumitsu Katsuya
Park Sung Hee
Application Number:
JP2018134130A
Publication Date:
November 18, 2020
Filing Date:
July 17, 2018
Export Citation:
Assignee:
Kao Corporation
Nippon Road Co., Ltd.
Nippon Road Co., Ltd.
International Classes:
E01C7/22; C04B26/26; C08G63/183; C08L25/10; C08L31/04; C08L53/02; C08L67/03; C08L95/00
Domestic Patent References:
| JP6116500A | ||||
| JP2013222044A | ||||
| JP9227190A | ||||
| JP2001072862A | ||||
| JP2005307218A | ||||
| JP2008223463A | ||||
| JP2015227025A |
Foreign References:
| US20140378603 | ||||
| KR101647298B1 | ||||
| CN106012734A |
Attorney, Agent or Firm:
Makoto Kataoka
Wataru Sasaki
Wataru Sasaki