Title:
MODIFIED ASPHALT BINDER OR MIXTURE, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/178685
Kind Code:
A1
Abstract:
The present application relates to a modified asphalt binder or mixture, and a preparation method therefor. The asphalt binder according to the present application comprises natural asphalt and petroleum asphalt with a weight ratio of (30-70):(70-30), wherein the ash content in the natural asphalt is less than 60% on the basis of the natural asphalt, and the volume percentage of particles with a trichloroethylene insoluble particle size of over 6 microns in the asphalt binder is less than 10%.
Inventors:
ZENG YUN (CN)
ZHANG LING (CN)
ZHANG QIAONING (CN)
JI XIAOLI (CN)
ZHANG ZIYANG (CN)
ZHAO QUANWEN (CN)
HAN XIAODONG (CN)
ZHANG XIAOHONG (CN)
ZHANG LING (CN)
ZHANG QIAONING (CN)
JI XIAOLI (CN)
ZHANG ZIYANG (CN)
ZHAO QUANWEN (CN)
HAN XIAODONG (CN)
ZHANG XIAOHONG (CN)
Application Number:
PCT/CN2021/077521
Publication Date:
September 01, 2022
Filing Date:
February 23, 2021
Export Citation:
Assignee:
XIAN ZHONGLI ASPHALT CO LTD (CN)
XIAN GUOLIN IND CO LTD (CN)
XIAN GUOLIN IND CO LTD (CN)
International Classes:
C08L95/00
Foreign References:
| CN112574582A | 2021-03-30 | |||
| CN107118578A | 2017-09-01 | |||
| CN101531486A | 2009-09-16 | |||
| US4227933A | 1980-10-14 |
Other References:
YIN LING, TIE ZHONG : "Research on Application Technology of Trinidad Lake Asphalt Modified Asphalt", THE WORLD OF BUILDING MATERIALS, vol. 28, no. 2, 30 April 2007 (2007-04-30), pages 27 - 30, XP055961779, ISSN: 1674-6066
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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