US 12,441,927 B1
Plugging material, preparation method therefor, and use thereof
Lifeng Chen, Jingzhou (CN); Jiamin Zhang, Jingzhou (CN); Minghao Xue, Jingzhou (CN); Weiwei Sheng, Jingzhou (CN); Huiyong Zeng, Jingzhou (CN); Zhaonian Zhang, Jingzhou (CN); Lei Hu, Jingzhou (CN); and Mingchen Shi, Jingzhou (CN)
Assigned to YANGTZE UNIVERSITY, Hubei (CN)
Filed by Yangtze University, Jingzhou (CN)
Filed on Nov. 20, 2024, as Appl. No. 18/954,435.
Claims priority of application No. 202411436578.1 (CN), filed on Oct. 14, 2024.
Int. Cl. C09K 8/42 (2006.01); C08G 59/14 (2006.01); C08G 59/17 (2006.01); C08K 3/36 (2006.01); C09K 8/44 (2006.01); E21B 33/138 (2006.01)
CPC C09K 8/426 (2013.01) [C08G 59/1466 (2013.01); C08G 59/1494 (2013.01); C08K 3/36 (2013.01); C09K 8/44 (2013.01); E21B 33/138 (2013.01); C08K 2201/011 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A plugging material, which is prepared from the following raw materials in terms of mass fractions, which comprise: 1 to 3.6 parts of pentaerythritol tetraacrylate (PETA)-modified bisphenol A epoxy resin, 1.5 to 2.4 parts of an addition product of m-phenylenediamine and methacrylic acid, 0.12 to 0.17 parts of nanosilica dispersion liquid, with the remainder being water, such that the sum of the mass fractions of the aforementioned raw materials totals 100 parts.