US 11,850,555 B2
Dual-layer membrane and method for preparing same
Shipeng Sun, Jiangsu (CN); Zhenyuan Wang, Jiangsu (CN); Zhengjun Fu, Jiangsu (CN); Mengmeng Tang, Jiangsu (CN); Dandan Shao, Jiangsu (CN); and Weihong Xing, Jiangsu (CN)
Assigned to NANJING TECH UNIVERSITY, Jiangsu (CN)
Filed by NANJING TECH UNIVERSITY, Jiangsu (CN)
Filed on Mar. 31, 2021, as Appl. No. 17/218,181.
Claims priority of application No. 202010264299.7 (CN), filed on Apr. 7, 2020.
Prior Publication US 2021/0308627 A1, Oct. 7, 2021
Int. Cl. B01D 67/00 (2006.01); B01D 69/06 (2006.01); B01D 71/56 (2006.01); B01D 71/64 (2006.01); B01D 71/68 (2006.01); B01D 61/02 (2006.01); B01D 61/14 (2006.01); B01D 69/08 (2006.01); B01D 69/12 (2006.01); B01D 71/78 (2006.01); C02F 1/44 (2023.01); D01D 5/24 (2006.01); D01D 5/34 (2006.01); D01F 1/08 (2006.01); B01D 71/06 (2006.01); B01D 53/22 (2006.01); B01D 61/00 (2006.01); B01D 61/36 (2006.01); D01D 5/06 (2006.01)
CPC B01D 67/0016 (2013.01) [B01D 61/025 (2013.01); B01D 61/027 (2013.01); B01D 61/147 (2013.01); B01D 67/0002 (2013.01); B01D 67/0013 (2013.01); B01D 69/06 (2013.01); B01D 69/08 (2013.01); B01D 69/088 (2013.01); B01D 69/12 (2013.01); B01D 69/125 (2013.01); B01D 71/06 (2013.01); B01D 71/56 (2013.01); B01D 71/68 (2013.01); B01D 71/78 (2013.01); C02F 1/448 (2013.01); D01D 5/24 (2013.01); D01D 5/34 (2013.01); D01F 1/08 (2013.01); B01D 53/228 (2013.01); B01D 61/002 (2013.01); B01D 61/02 (2013.01); B01D 61/14 (2013.01); B01D 61/145 (2013.01); B01D 61/362 (2013.01); B01D 2323/12 (2013.01); B01D 2323/38 (2013.01); C02F 1/441 (2013.01); C02F 1/442 (2013.01); C02F 1/444 (2013.01); C02F 1/445 (2013.01); D01D 5/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A dual-layer membrane, comprising a layer of a first polymer and a layer of a second polymer, and the layer of the first polymer further comprises a modifier, wherein the modifier is a fluoro substituted aromatic amine monomer containing fluoro or fluoromethyl and amino groups.