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:
Apr. 04, 2023
Filed:
Apr. 27, 2020
Zhengzhou University, Henan, CN;
Safekey Engineering Technology (Zhengzhou), Ltd., Henan, CN;
Hongyuan Fang, Zhengzhou, CN;
Peng Zhao, Zhengzhou, CN;
Lei Wang, Zhengzhou, CN;
Yanhui Pan, Zhengzhou, CN;
Bin Li, Zhengzhou, CN;
Manjun Li, Zhengzhou, CN;
Kangjian Yang, Zhengzhou, CN;
Zhengzhou University, Zhengzhou, CN;
SAFEKEY Engineering Technology (Zhengzhou), Ltd., Zhengzhou, CN;
Abstract
The present invention relates to a polymer expanding material in infiltration or seepage multi-water environment and a preparation method thereof, belonging to a technical field of polymer expanding foam materials. The polymer expanding material includes the following parts of materials by weight: 20-30 parts of rosin polyester polyol, 20-50 parts of isocyanate, 20-40 parts of PhireGuard® MB-512, 5-10 parts of HFO-1233zd, 1-2 parts of surfactant, 0.01-1 part of catalyst, and 0.01 parts of benzoyl chloride. The present invention has high sand fixing body strength, fast curing speed, good elastoplasticity, good pouring property and permeability, and good expanding property, which is suitable for infiltration or seepage multi-water environment, especially for dam infiltration, piping, and other problems during construction and subsequent operation of water conservancy projects.