公开(公告)号：US20240100488A1

公开(公告)日：2024-03-28

申请号：US18221746

申请日：2023-07-13

申请人： Hunan OVAY Technology Co., Ltd.

发明人： Hui YU ,  Hongwei LU ,  Bo PENG ,  Qunhui HU ,  Qian LIAO ,  Pan HE ,  Yanbo HE ,  Jun PENG

IPC分类号： B01D69/12 ,  B01D61/02 ,  B01D67/00 ,  B01D69/02 ,  B01D71/56 ,  B01D71/62 ,  B01D71/68

CPC分类号： B01D69/125 ,  B01D61/027 ,  B01D67/0006 ,  B01D67/0083 ,  B01D69/02 ,  B01D71/56 ,  B01D71/62 ,  B01D71/68 ,  B01D2323/081 ,  B01D2323/12 ,  B01D2323/14 ,  B01D2323/21817 ,  B01D2323/2182 ,  B01D2323/219 ,  B01D2323/40 ,  B01D2325/22

摘要： Provided are a high temperature-resistant composite nanofiltration membrane and a preparation method thereof. The high temperature-resistant composite nanofiltration membrane includes a base membrane and a polyamide membrane arranged on the base membrane; wherein the polyamide membrane is prepared from raw materials comprising: an amine, an inorganic salt, a silane additive, a polyacyl chloride, and an oil phase solvent; and the silane additive is at least one selected from the group consisting of 3-aminopropyltriethoxysilane, divinyltriaminopropyltrimethoxysilane, N-cyclohexyl-γ-aminopropyltrimethoxysilane, and trimethoxy[3-(phenylamino)propyl]silane.