公开(公告)号：US20140014575A1

公开(公告)日：2014-01-16

申请号：US14026869

申请日：2013-09-13

Applicant: LG CHEM, LTD.

Inventor： Hye-Jin KWON ,  Seung-Yup LEE ,  Seung-Pyo JEONG ,  Phill LEE ,  Chong-Kyu SHIN

IPC: B01D71/68

CPC classification number: B01D71/68 ,  B01D61/025 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D69/125 ,  B01D71/56 ,  B01D2325/02

Abstract: There is provided a reverse osmosis membrane including a porous support; a polysulfone layer formed on the porous support and having pores formed in a surface thereof, pores having a diameter of 40 nm or greater accounting for less than 0.5% of total pores; and an active layer.

Abstract translation: 提供了包括多孔载体的反渗透膜; 在多孔载体上形成有在其表面形成的孔的聚砜层，直径为40nm以上的孔占总孔的小于0.5％ 和活性层。

公开(公告)号：US20150114902A1

公开(公告)日：2015-04-30

申请号：US14586825

申请日：2014-12-30

Applicant: LG CHEM, LTD.

Inventor： Seung-Pyo JEONG ,  Seung-Yup LEE ,  Phill LEE ,  Hye-Jin KWON ,  Chong-Kyu SHIN

IPC: B05D5/00 ,  B01D71/56 ,  B01D61/02 ,  B01D71/68 ,  B01D69/10

CPC classification number: B05D5/00 ,  B01D61/025 ,  B01D69/10 ,  B01D69/125 ,  B01D71/56 ,  B01D71/68 ,  B01D2325/02 ,  B05D2350/00

Abstract: There are provided a method of manufacturing a reverse osmosis membrane and a reverse osmosis membrane manufactured thereby. The method includes forming a polysulfone layer by applying a solution including a mixed solvent containing two or more solvents having different solubility parameter values to a surface of a porous support; and forming an active layer on the polysulfone layer.

Abstract translation: 提供了制造反渗透膜的方法和由其制造的反渗透膜。 所述方法包括通过将包含具有不同溶解度参数值的两种或更多种溶剂的混合溶剂的溶液施加到多孔载体的表面来形成聚砜层; 并在聚砜层上形成活性层。

公开(公告)号：US20140014576A1

公开(公告)日：2014-01-16

申请号：US14026783

申请日：2013-09-13

Applicant: LG CHEM, LTD.

Inventor： Seung-Pyo JEONG ,  Seung-Yup LEE ,  Phill LEE ,  Hye-Jin KWON ,  Chong-Kyu SHIN

IPC: B01D71/68

CPC classification number: B05D5/00 ,  B01D61/025 ,  B01D69/10 ,  B01D69/125 ,  B01D71/56 ,  B01D71/68 ,  B01D2325/02 ,  B05D2350/00

Abstract: There are provided a method of manufacturing a reverse osmosis membrane and a reverse osmosis membrane manufactured thereby. The method includes forming a polysulfone layer by applying a solution including a mixed solvent containing two or more solvents having different solubility parameter values to a surface of a porous support; and forming an active layer on the polysulfone layer.

Abstract translation: 提供了制造反渗透膜的方法和由其制造的反渗透膜。 所述方法包括通过将包含具有不同溶解度参数值的两种或更多种溶剂的混合溶剂的溶液施加到多孔载体的表面来形成聚砜层; 并在聚砜层上形成活性层。

公开(公告)号：US20150190761A1

公开(公告)日：2015-07-09

申请号：US14662157

申请日：2015-03-18

Applicant: LG CHEM, LTD.

Inventor： Hye-Jin KWON ,  Seung-Yup LEE ,  Seung-Pyo JEONG ,  Phill LEE ,  Chong-Kyu SHIN

IPC: B01D71/68 ,  B01D69/10

CPC classification number: B01D71/68 ,  B01D61/025 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D69/125 ,  B01D71/56 ,  B01D2325/02

Abstract: There is provided a reverse osmosis membrane including a porous support; a polysulfone layer formed on the porous support and having pores formed in a surface thereof, pores having a diameter of 40 nm or greater accounting for less than 0.5% of total pores; and an active layer.

Abstract translation: 提供了包括多孔载体的反渗透膜; 在多孔载体上形成有在其表面形成的孔的聚砜层，直径为40nm以上的孔占总孔的小于0.5％ 和活性层。

公开(公告)号：US20150018442A1

公开(公告)日：2015-01-15

申请号：US14444530

申请日：2014-07-28

Applicant: LG CHEM, LTD

Inventor： Bong-Tae KIM ,  Heon-Sik SONG ,  Seung-Yup LEE ,  Kyoung-Min KIM

IPC: C08J5/18 ,  B29C47/00

CPC classification number: C08J5/18 ,  B29C47/0071 ,  B29D7/01 ,  B29L2007/008 ,  C08J2201/03 ,  C08J2201/0522 ,  C08J2323/02 ,  C08J2323/06 ,  C08L23/02

Abstract: The present invention discloses a method for preparing a microporous polyolefin film comprising: a step of injecting a composition comprising polyolefin 30 to 60 wt % and a diluent mixture comprising a diluent, which can make liquid-liquid phase separation with the polyolefin thermodynamically 40 to 70 wt %, into an extruding machine, and melting and kneading thereof to prepare a single phase melt; and a step of extruding the melt while conducting liquid-liquid phase separation by passing through a section having the temperature below the liquid-liquid phase separation temperature and forming thereof in the form of a sheet, and a microporous polyolefin film prepared according to the method.

Abstract translation: 本发明公开了一种微孔性聚烯烃膜的制造方法，其特征在于，包括以下步骤：将含有聚烯烃30〜60重量％的组合物和包含稀释剂的稀释剂混合物进行热力学动力学分析， wt％进入挤出机，并将其熔融和捏合以制备单相熔体; 以及通过使液体 - 液相分离温度低于液 - 液相分离温度的部分进行液 - 液相分离而挤出熔融物的步骤，并将其形成为片状，以及根据该方法制备的微孔聚烯烃膜 。