US 12,234,309 B1
High-temperature-resistant deep penetration molecular membrane acid copolymers and preparation methods thereof
Jianchun Guo, Chengdu (CN); Bin Liu, Chengdu (CN); Bo Gou, Chengdu (CN); Shan Ren, Chengdu (CN); Shaobin Zhang, Chengdu (CN); Yang Lu, Chengdu (CN); Qingsong Guo, Chengdu (CN); Mingyuan Zhou, Chengdu (CN); Yangyi Xing, Sichuan (CN); Jichuan Ren, Chengdu (CN); Hao Ou, Chengdu (CN); and Gang Li, Chengdu (CN)
Assigned to CHENGDU LEPS TECHNOLOGY CO., LTD., Chengdu (CN); and SOUTHWEST PETROLEUM UNIVERSITY, Chengdu (CN)
Filed by CHENGDU LEPS TECHNOLOGY CO., LTD., Sichuan (CN); and SOUTHWEST PETROLEUM UNIVERSITY, Sichuan (CN)
Filed on Jun. 16, 2024, as Appl. No. 18/744,695.
Claims priority of application No. 202410389925.3 (CN), filed on Apr. 2, 2024.
Int. Cl. C08F 230/02 (2006.01); B01D 71/52 (2006.01); C08L 43/02 (2006.01)
CPC C08F 230/02 (2013.01) [B01D 71/521 (2022.08); C08L 43/02 (2013.01); B01D 2323/217 (2022.08); B01D 2323/219 (2022.08); B01D 2323/40 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A high-temperature-resistant deep penetration molecular membrane copolymer having the following structural formula:

OG Complex Work Unit Chemistry
wherein x is within a range of 0.01-0.22, y is within a range of 0.78-0.98, z is within a range of 0.004-0.007, and x+y+z<1; X denotes one of CI, Br, and I, n denotes one of 1, 2, and 3, and m denotes one of 11, 13, 15, and 17.