公开(公告)号：US20180229189A1

公开(公告)日：2018-08-16

申请号：US15749478

申请日：2017-03-31

Applicant: LG CHEM, LTD.

Inventor： Hyungbae GIL ,  Byungho JEON ,  Hyuin RYU ,  Yeji KIM ,  Chong Kyu SHIN

IPC: B01D67/00 ,  B01D61/02 ,  B01D69/10 ,  B01D71/56 ,  C02F1/44 ,  C08G69/00

CPC classification number: B01D67/0006 ,  B01D61/02 ,  B01D61/025 ,  B01D67/00 ,  B01D69/10 ,  B01D69/125 ,  B01D71/32 ,  B01D71/56 ,  B01D71/58 ,  C02F1/44 ,  C02F1/441 ,  C02F2303/20 ,  C08G69/00 ,  C08G69/18 ,  C08J5/22 ,  C08L77/00

Abstract: The present specification provides a composition for interfacial polymerization of polyamide including at least one of an amine compound and an acyl halide compound; a surfactant; and a compound represented by Chemical Formula 1, and a method for preparing a reverse osmosis membrane using the same.

公开(公告)号：US20170361284A1

公开(公告)日：2017-12-21

申请号：US15104917

申请日：2014-12-24

Applicant: LG CHEM, LTD.

Inventor： Youngju LEE ,  Byungho JEON ,  Chong Kyu SHIN

IPC: B01D71/56 ,  B01D67/00 ,  B01D69/12

CPC classification number: B01D71/56 ,  B01D67/0088 ,  B01D67/0097 ,  B01D69/125

Abstract: The present invention relates to a dry water treatment membrane having moisture content of 1% to 10%, and a method for manufacturing the same.

公开(公告)号：US20170291990A1

公开(公告)日：2017-10-12

申请号：US15511998

申请日：2015-09-08

Applicant: LG CHEM. LTD.

Inventor： Byungho JEON ,  Hyuin RYU ,  Keun SONG ,  Chong Kyu SHIN

IPC: C08G69/26 ,  C08J3/09 ,  B01D71/06 ,  C02F1/44

CPC classification number: C08G69/26 ,  B01D61/02 ,  B01D69/125 ,  B01D71/06 ,  B01D71/56 ,  B01D2323/00 ,  B01D2325/20 ,  C02F1/44 ,  C08J3/092

Abstract: The present invention relates to a method for manufacturing a water treatment separation membrane, the method including: forming an aqueous solution layer including an amine compound on a porous support; and bringing an organic solution including an acyl halide compound into contact with on the aqueous solution layer to form a polyamide active layer, in which the organic solution includes a non-polar solvent and an amphiphilic solvent having a boiling point of 120° C. or more, thereby improving a permeation flux, and a water treatment separation membrane manufactured by the manufacturing method.

公开(公告)号：US20160166993A1

公开(公告)日：2016-06-16

申请号：US14908973

申请日：2014-08-01

Applicant: LG CHEM, LTD.

Inventor： Youngju LEE ,  Chong Kyu SHIN ,  Phill LEE ,  Byungho JEON

IPC: B01D71/56 ,  B01D67/00 ,  B01D69/02 ,  B01D69/12

CPC classification number: B01D71/56 ,  B01D67/0093 ,  B01D69/02 ,  B01D69/12 ,  B01D71/28 ,  B01D2325/04 ,  B01D2325/28

Abstract: The present invention relates to a water treatment separation membrane having improved durability and including a porous support; a polyamide active layer formed on the porous support; and a protective layer formed on the polyamide active layer and including polyvinyl pyrrolidone, wherein a thickness of the protective layer is 0.5 nm to 1000 nm, and a method for manufacturing the same.

Abstract translation: 本发明涉及具有改善的耐久性并包括多孔载体的水处理分离膜; 形成在多孔载体上的聚酰胺活性层; 以及形成在聚酰胺活性层上的包含聚乙烯吡咯烷酮的保护层，其中保护层的厚度为0.5nm至1000nm，及其制造方法。