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1.发明申请POLYMIDE-BASED MACROMOLECULAR COMPOUND AND GAS-SEPARATION ASYMMETRICAL HOLLOW-FIBRE MEMBRANE COMPRISING THE SAME 有权基于聚合物的大分子化合物和包含其的气体分离非对称中空纤维膜公开(公告)号：US20150217225A1
公开(公告)日：2015-08-06
申请号：US14687353
申请日：2015-04-15
Inventor： Jeong Hoon KIM , Hee Moon PARK , Bong Jun CHANG , Mihye YI , Eun-Hee KIM , Chae Young PARK
CPC classification number: B01D53/228 , B01D67/0016 , B01D69/02 , B01D69/087 , B01D71/64 , B01D2053/224 , B01D2256/245 , B01D2257/504 , B01D2325/023 , B29C47/0014 , B29C47/0021 , B29C47/364 , B29C47/56 , B29C47/68 , B29K2079/085 , B29L2023/001 , Y02C10/10 , Y02P70/26
Abstract: The present invention relates to a polyimide-based macromolecular compound which is produced by using DOCDA and one or more diamines selected from the group consisting of MDA, ODA, PDA, TDA, TrMPD, TeMPD and MBCA; and a gas-separation asymmetrical hollow-fibre membrane comprising the same. The polyimide-based macromolecular compound according to the present invention can advantageously be used in the production of a gas-separation hollow-fibre membrane having an asymmetrical structure since the said compound is highly viscous due to a high molecular weight in addition to having outstanding gas permeability and high selectivity while having excellent high heat resistance, chemical resistance, and mechanical properties and being outstandingly soluble in polar organic solvents.
Abstract translation: 本发明涉及通过使用DOCDA和一种或多种选自MDA，ODA，PDA，TDA，TrMPD，TeMPD和MBCA的二胺生产的聚酰亚胺基高分子化合物。 以及包含该中空纤维膜的气体分离不对称中空纤维膜。 根据本发明的聚酰亚胺基高分子化合物可以有利地用于生产具有不对称结构的气体分离中空纤维膜，因为除了具有优异的气体之外，所述化合物由于高分子量而高度粘稠 渗透性和高选择性，同时具有优异的高耐热性，耐化学性和机械性能，并且极好地溶于极性有机溶剂。
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2.发明公开公开(公告)号：US20240318025A1
公开(公告)日：2024-09-26
申请号：US18259508
申请日：2021-12-28
Inventor： Eun-Ho SOHN , Hyeon Jun HEO , Won Wook SO , In Joon PARK , Bong Jun CHANG , Sang Goo LEE , Myoung Sook LEE , Shin Hong YOOK , Ju Hyeon KIM , Ji Hoon BAIK , Myung Seok OH , Jong Min KIM
IPC: C09D127/16 , C08J5/18 , C09D7/63
CPC classification number: C09D127/16 , C08J5/18 , C09D7/63 , C08J2327/16
Abstract: The present invention relates to a fluorine-based polymer coating film, an optical substrate comprising same, and a method for manufacturing the optical substrate, and provides a fluorine-based polymer coating film which is formed from fluorine-based polymer nanoparticles coming in contact and being bound to each other, and which is coated on a substrate to improve infrared transmittance. The fluorine-based polymer coating film according to the present invention has improved infrared transmittance, and since the size of the fluorine-based polymer nanoparticles is controlled to control the ultraviolet-infrared transmittance, transmission wavelength selectivity can be improved.
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3.发明公开公开(公告)号：US20240199780A1
公开(公告)日：2024-06-20
申请号：US18286104
申请日：2022-02-07
Inventor： Eun-Ho SOHN , Won Wook SO , In Joon PARK , Bong Jun CHANG , Ju Hyeon KIM , Ji Hoon BAIK , Myung Seok OH , Jong Min KIM , Sang Goo LEE , Myoung Sook LEE , Hyeon Jun HEO , Shin Hong YOOK
IPC: C08F220/22 , C08F220/06 , C08F220/18 , C08F220/20 , C08K5/29 , C09D5/16 , C09D133/16
CPC classification number: C08F220/22 , C08F220/06 , C08F220/1818 , C08F220/20 , C08K5/29 , C09D5/1668 , C09D133/16
Abstract: The objective of the present invention is to provide a fluorine-based polymer having a low surface energy, a fluorine-based polymer composition comprising same, a fluorine-based polymer membrane comprising same, and a method for manufacturing same. The present invention provides an acrylate-based copolymer, and in particular, the present invention is characterized in that the number of fluorocarbons in the repeating unit is limited to 3 to 5, such that the surface energy of the polymer and the polymer membrane produced therefrom is significantly lowered. In addition, when the polymer of the present invention is coated on glass, etc., the polymer has the effect of remarkably improving light transmittance, and has excellent mechanical strength.
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4.发明公开公开(公告)号：US20230271144A1
公开(公告)日：2023-08-31
申请号：US18005455
申请日：2021-07-15
Inventor： Su Young MOON , Jong Myeong LEE , Bong Jun CHANG , Chang In KONG , Jae-Hyeok LEE
CPC classification number: B01D69/12 , B01D69/107 , B01D53/228 , B01D65/08 , B01D71/44 , B01D71/24 , B01D71/70 , B01D67/0002 , B01D2257/504
Abstract: The present disclosure relates to a composite membrane in which a rubbery polymer is introduced into a gutter layer to suppress the physical aging of the highly permeable composite membrane, and more particularly, to a composite membrane comprising a porous support layer; a gutter layer on the porous support layer; and an active layer on the gutter layer, wherein the gutter layer comprises a blend of poly(l-trimethlsilyl-l-propyne) (PTMSP) and a rubbery polymer and a method for preparing the same. The composite membrane according to the present disclosure has high permeation performance and a remarkable decline in physical aging leading to a decrease in permeability over time and thus has very high industrial applicability.
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公开(公告)号：US20200306689A1
公开(公告)日：2020-10-01
申请号：US16827560
申请日：2020-03-23
Inventor： Jeong Hoon KIM , Chang In KONG , Yang No YUN , Su Young MOON , Bong Jun CHANG , Bo Ryoung PARK , Youn-Sang BAE , Tea-Hoon KIM
Abstract: Provided are a methane-selective composite membrane comprising: a UiO-66 type organic-inorganic composite nanoporous material, a MIL-100 type organic-inorganic composite nanoporous material, or a ZIF-8 type organic-inorganic composite nanoporous material to which a methane-selective functional group is introduced for selectively separating methane from a gas mixture containing methane/nitrogen, a use thereof, and a method of preparing the same.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20180326364A1
公开(公告)日：2018-11-15
申请号：US15976437
申请日：2018-05-10
Inventor： Jeong Hoon Kim , Bong Jun CHANG , Su Young MOON
CPC classification number: B01D69/125 , B01D67/0006 , B01D67/0093 , B01D69/02 , B01D69/10 , B01D71/26 , B01D71/30 , B01D71/68 , B01D71/76 , B01D71/82 , B01D2323/30 , B01D2323/40 , B01D2323/46 , B01D2325/16 , B01D2325/42
Abstract: The present invention provides an anion-exchange composite membrane comprising a copolymer containing a vinylbenzyl trialkylammonium salt repeating unit, a styrene repeating unit and a divinylbenzene derived repeating unit; an olefin additive; a plasticizer; and a polyvinyl halide polymer.The anion-exchange composite membrane comprising a copolymer containing a vinylbenzyl trialkylammonium salt repeating unit, a styrene repeating unit and a divinylbenzene derived repeating unit; an olefin additive; a plasticizer; and polyvinylidene fluoride of the present invention not only displays low electrical resistance, excellent ion exchange capability, excellent ionic conductivity, excellent mechanical properties, excellent chemical properties, and processability, but also is easy to regulate its ion exchange capacity and ionic conductivity. Also, the composite membrane of the invention is easier to produce and cheaper to manufacture than the conventional anion-exchange composite membrane.
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7.发明申请公开(公告)号：US20180326363A1
公开(公告)日：2018-11-15
申请号：US15976149
申请日：2018-05-10
Inventor： Jeong Hoon Kim , Bong Jun CHANG , Su Young MOON
CPC classification number: B01D69/125 , B01D67/0006 , B01D67/0093 , B01D69/02 , B01D69/10 , B01D71/26 , B01D71/28 , B01D71/30 , B01D71/68 , B01D71/76 , B01D71/82 , B01D2323/30 , B01D2323/46 , B01D2325/14 , B01D2325/42
Abstract: The present invention provides a cation-exchange composite membrane comprising a copolymer containing a styrene repeating unit introduced with a sulfonation group, a tert-butylstyrene repeating unit and a crosslink repeating unit, an olefin additive, a plasticizer and a polyvinyl halide polymer.The cation-exchange composite membrane comprising a copolymer containing a styrene repeating unit introduced with a sulfonation group, a tert-butylstyrene repeating unit and a crosslink repeating unit, an olefin additive, a plasticizer and a polyvinyl halide polymer of the present invention not only displays low electrical resistance, excellent ion exchange capability, excellent ionic conductivity, excellent mechanical properties, excellent chemical properties, and processability, but also is easy to regulate its ion exchange ability and ionic conductivity. Also, the composite membrane of the invention is easier to produce and cheaper to manufacture than the conventional cation-exchange composite membrane.
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公开(公告)号：US20250084196A1
公开(公告)日：2025-03-13
申请号：US18580684
申请日：2022-07-04
Inventor： Eun-Ho SOHN , Won Wook SO , In Joon PARK , Bong Jun CHANG , Hong Suk KANG , Ju Hyeon KIM , Ji Hoon BAIK , Sang Goo LEE , Hyeon Jun HEO , Shin Hong YOOK , Dong Je HAN , Ji Young LEE
IPC: C08F220/14 , C08F220/22 , C08J5/18
Abstract: An aspect of the present invention is to provide a fluorine-based polymer showing a significantly low dielectric constant of less than 1.8 and a fluorine-based polymer composition including the same. The fluorine-based polymer provided in an aspect of the present invention shows a very low dielectric constant, wherein the polymer is not only a pollution-reducing material generating no harmful substance, but may also be utilized as a coating material in various fields due to high adhesiveness. Furthermore, a polymer film employing the polymer as a material has a volume resistance of about 5.8×1015 Ohmcm, showing an excellent resistance value as an insulating material.
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9.发明公开公开(公告)号：US20240194372A1
公开(公告)日：2024-06-13
申请号：US18250147
申请日：2021-10-25
Applicant: KOREA ELECTRO TECHNOLOGY RESEARCH INSTITUTE , KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
Inventor： Ki Dong SONG , Yeon Ho OH , Hyun Jae JANG , In Joon PARK , Won Wook SO , Shin Hong YOOK , Sang Goo LEE , Hong suk KANG , Ju Hyeon KIM , Ji Hoon BAIK , Eun Ho SOHN , Myoung Sook LEE , Bong Jun CHANG
IPC: H01B3/56 , H01H33/56 , H02B13/055
CPC classification number: H01B3/56 , H01H33/56 , H02B13/055 , H01H2033/566
Abstract: The present invention relates to an insulating gas used for electrical insulation or arc extinguishing of an electrical device, and an electrical device for insulating electricity using the same. The insulating gas of the present invention, which may replace SF6 gas, consists of a mixed gas of trifluoromethyl trifluorovinyl ether (CF3OCFCF2) and a carrier gas. The insulating gas of the present invention has the characteristics of a low boiling point, high dielectric strength, low toxicity, and a low global warming potential (GWP=1 or less), and thus may replace SF6, and the low global warming potential with no loss of high insulating capacity and arc extinguishing capability may reduce greenhouse gases.
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10.发明申请公开(公告)号：US20180272274A1
公开(公告)日：2018-09-27
申请号：US15920962
申请日：2018-03-14
Inventor： Jeong Hoon KIM , Su Young MOON , Bong Jun CHANG
CPC classification number: B01D53/228 , B01D67/0079 , B01D67/0088 , B01D69/02 , B01D69/12 , B01D69/148 , B01D71/022 , B01D71/12 , B01D71/60 , B01D71/68 , B01D2256/24 , B01D2257/7022 , B01D2323/30 , B01D2325/14 , B01D2325/16 , C07C7/144 , C07C9/06 , C07C11/04 , C07C11/06 , C07C9/08 , C07C11/08 , C07C9/10
Abstract: A separation membrane for olefin separation and olefin separation method using the same are provided.
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