The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2024
Filed:
Oct. 26, 2023
Tongji University, Shanghai, CN;
Hui Li, Shanghai, CN;
Xin Zuo, Shanghai, CN;
Yuzhao Han, Shanghai, CN;
Ning Xie, Shanghai, CN;
Ming Jia, Shanghai, CN;
Bing Yang, Shanghai, CN;
Jiawen Liu, Shanghai, CN;
Xue Zhang, Shanghai, CN;
Yu Tian, Shanghai, CN;
Yuzhe Jiang, Shanghai, CN;
TONGJI UNIVERSITY, Shanghai, CN;
Abstract
Disclosed are a hydroxyl-terminated polybutadiene-based polyurethane (HTPB-PU)-modified asphalt and a preparation method thereof. In the disclosure, the HTPB-PU-modified asphalt includes the following components in parts by weight: 90 parts to 97 parts of a base asphalt and 3 parts to 10 parts of HTPB-PU, where the HTPB-PU is prepared from raw materials including an isocyanate and a polyol, and the polyol includes hydroxyl-terminated polybutadiene (HTPB) with a weight percentage of not less than 80%.