公开(公告)号：US20170056838A1

公开(公告)日：2017-03-02

申请号：US15119305

申请日：2014-02-19

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seockheon LEE ,  Soon Bum KWON ,  Jung-Hyun LEE ,  Jong Suk LEE

IPC: B01D69/12 ,  B01D71/42 ,  B01D71/40 ,  B01D71/52 ,  B01D61/00 ,  B01D67/00

CPC classification number: B01D69/125 ,  B01D61/002 ,  B01D67/0013 ,  B01D67/0093 ,  B01D69/02 ,  B01D69/10 ,  B01D69/105 ,  B01D69/12 ,  B01D71/40 ,  B01D71/42 ,  B01D71/52 ,  B01D71/56 ,  B01D2323/08 ,  B01D2323/30 ,  B01D2323/345 ,  B01D2325/36

Abstract: The present invention relates to a forward osmosis-based separation membrane based on a multilayer thin film, using crosslinking between organic monomers, and a preparation method therefore, and in the preparation of the forward osmosis-based separation membrane including a support layer and a selective layer, a middle layer is provided between the support layer and the selective layer so as to prevent a phenomenon in which the selective layer is filled in a pore of the support layer, such that the thickness of a multilayer thin film constituting the selective layer is optimized, and excellent water permeability, salt removal rate and pollution resistance properties are exhibited through the support layer having a structure of uniform surface pores and minimized pore distortion.

Abstract translation: 本发明涉及使用有机单体之间的交联的基于多层薄膜的正向渗透分离膜及其制备方法，以及在制备包含支持层和选择性的前向渗透分离膜 在支撑层和选择层之间设置中间层，以防止选择层填充在支撑层的孔中的现象，使得构成选择层的多层薄膜的厚度为 通过具有均匀表面孔的结构的支撑层和最小化的孔变形来显示出优化的透水性，脱盐率和耐污染性。

公开(公告)号：US20170120200A1

公开(公告)日：2017-05-04

申请号：US15150056

申请日：2016-05-09

Applicant: Korea Institute of Science and Technology

Inventor： Jong Suk LEE ,  Seung Sang HWANG ,  Sunghwan PARK ,  Albert Sung Soo LEE

IPC: B01D71/02 ,  B01D67/00 ,  B01D53/22

CPC classification number: B01D67/0067 ,  B01D53/228 ,  B01D71/021 ,  B01D2256/24 ,  B01D2257/102 ,  B01D2257/104 ,  B01D2257/2064 ,  B01D2257/504 ,  B01D2257/7022 ,  B01D2323/12 ,  B01D2323/24 ,  Y02C10/10

Abstract: Provided is a composition for use in fabricating a carbon molecular sieve membrane, including a fluorine-containing polymer matrix and polysilsesquioxane. The composition shows high selectivity to the gas to be separated and high separation quality by controlling the mixing ratio of the fluorine-containing polymer matrix with polysilsesquioxane as well as the type of fluorine-containing polymer matrix and polysilsesquioxane. Ancillary selective pore formation is enhanced by a so-called “autogenous fluorinated gas induced siloxane etching” (A-FISE) mechanism of fluorine-containing polymer/polysilsesquioxane blend precursors during carbonization. Therefore, it is possible to effectively separate gases having a small difference in particle size, which, otherwise, are difficult to be separated with the conventional polymer membranes.

公开(公告)号：US20160107127A1

公开(公告)日：2016-04-21

申请号：US14697363

申请日：2015-04-27

Applicant: Korea Institute of Science and Technology

Inventor： Jong Suk LEE ,  Seung Sang HWANG ,  Albert Sung Soo LEE ,  Sunghwan PARK ,  Sang Hee PARK ,  Sanghyup LEE

IPC: B01D69/12 ,  B01D71/70 ,  C08G77/18 ,  B01D67/00

CPC classification number: B01D69/125 ,  B01D53/228 ,  B01D67/009 ,  B01D71/70 ,  B01D2323/08 ,  B01D2323/30 ,  B01D2323/345 ,  B01D2325/20 ,  C08G77/18

Abstract: The present disclosure provides a gas separation membrane using a ladder-structured polysilsesquioxane in which organic functional groups are attached to a long siloxane chain and a method for fabricating the same. In accordance with the present disclosure, a free-standing ladder-structured polysilsesquioxane-based membrane with various functional groups can be fabricated for gas separations. The performance of the gas separation membrane can be controlled through a variety of combinations of the organic functional groups linked to the siloxane chain. In addition, by controlling the molecular structure of the gas separation membrane through mixing of the ladder-structured polysilsesquioxane with an amine compound or conventional glassy or rubbery polymers or through thermal/UV-curing, the permeability and selectivity of the gas separation membrane can be controlled selectively.

Abstract translation: 本公开内容提供了使用其中有机官能团连接到长硅氧烷链上的梯形结构的聚倍半硅氧烷的气体分离膜及其制造方法。 根据本公开，可以制造具有各种官能团的独立的梯形结构的聚倍半硅氧烷基膜，用于气体分离。 可以通过与硅氧烷链连接的有机官能团的各种组合来控制气体分离膜的性能。 此外，通过将梯形结构的聚倍半硅氧烷与胺化合物或常规的玻璃状或橡胶状聚合物混合或通过热/ UV固化来控制气体分离膜的分子结构，气体分离膜的渗透性和选择性可以是 有选择地控制。