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:
Sep. 15, 2026
Filed:
Mar. 13, 2023
Ccri ( Beijing) New Material Technology Co., Ltd., Beijing, CN;
Ccteg China Coal Research Institute, Beijing, CN;
Xiaofeng Yu, Beijing, CN;
Yuchao Wang, Beijing, CN;
Dong Shen, Beijing, CN;
Lizong Liu, Beijing, CN;
Guangfeng Bai, Beijing, CN;
Yifang Liu, Beijing, CN;
Mingkun Zhang, Beijing, CN;
Mengyuan Jia, Beijing, CN;
Enqing Xie, Beijing, CN;
CCRI (BEIJING) NEW MATERIAL TECHNOLOGY CO., LTD., Beijing, CN;
CCTEG CHINA COAL RESEARCH INSTITUTE, Beijing, CN;
Abstract
The present disclosure provides a grouting reinforcement filler for mining and a preparation method thereof. The grouting reinforcement filler for mining includes a first component and a second component. The first component includes 100 to 130 parts by weight of a polyol polymer, 0.8 to 1.2 parts by weight of a catalyst, 0.1 to 0.3 parts by weight of a foaming agent, and 0.5 to 1.5 parts by weight of a surfactant, and the second component includes 65 to 85 parts by weight of polyisocyanate, 5 to 15 parts by weight of a modifier, 10 to 20 parts by weight of a plasticizer, and 10 to 15 parts by weight of a reactive flame retardant.