-
公开(公告)号:US11767433B2
公开(公告)日:2023-09-26
申请号:US17161647
申请日:2021-01-28
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor: Chao Chen , Xu Li , Suxi Wang , Xikui Zhang , Siew Yee Wong
IPC: C08K3/34 , C09C3/06 , C09D7/62 , C09D7/40 , C09D5/33 , C09C1/28 , C08K9/02 , C08K7/28 , C08K7/26 , C08K3/22 , C08K3/36 , C08K3/40 , C08K7/20
CPC classification number: C09C3/063 , C09C1/28 , C09D5/004 , C09D7/62 , C09D7/70 , C01P2002/72 , C01P2004/02 , C01P2004/03 , C01P2004/32 , C01P2004/61 , C01P2004/84 , C01P2006/10 , C08K3/34 , C08K3/36 , C08K3/40 , C08K7/20 , C08K7/26 , C08K7/28 , C08K9/02 , C08K2003/2241 , C08K2201/005 , C08K9/02 , C08K2003/2241
Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.
-
公开(公告)号:US10941298B2
公开(公告)日:2021-03-09
申请号:US16326691
申请日:2017-08-16
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor: Chao Chen , Xu Li , Suxi Wang , Xikui Zhang , Siew Yee Wong
IPC: C08K9/02 , C09D7/62 , C09C3/06 , C09D7/40 , C09D5/33 , C09C1/28 , C08K7/28 , C08K7/26 , C08K3/34 , C08K3/22 , C08K3/36 , C08K3/40 , C08K7/20
Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.
-
公开(公告)号:US20190020028A1
公开(公告)日:2019-01-17
申请号:US16069707
申请日:2017-01-16
Applicant: Agency for Science, Technology and Research
Inventor: Suxi Wang , Xu Li , Andy Hor , Zhongxing Zhang , Kia Jia Benny Chew
Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals comprising metal organic framework (MOF), particularly zeolitic imidazolate framework (ZIF). A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.
-
公开(公告)号:US20170240424A1
公开(公告)日:2017-08-24
申请号:US15329829
申请日:2015-07-29
Inventor: Aled Deakin Roberts , Suxi Wang , Haifei Zhang , Xu Li
IPC: C01B31/02 , H01M4/583 , H01M10/0525
CPC classification number: H01M10/0525 , B01J20/20 , B01J20/305 , B01J20/3078 , B01J20/3085 , C01B32/00 , C01B32/05 , H01G11/26 , H01G11/34 , H01G11/86 , H01M4/583 , H01M4/587 , H01M4/926 , H01M8/0234 , H01M10/052 , H01M2004/027 , Y02C10/08 , Y02E60/13 , Y02T10/7022
Abstract: A method of preparing a porous carbon material is provided. The method comprises a) freezing a liquid mixture comprising a polymer suspended or dissolved in a solvent to form a frozen mixture; b) removing the solvent from the frozen mixture to form a porous frozen mixture; and c) pyrolyzing the porous frozen mixture to obtain the porous carbon material. A porous carbon material prepared using the method, and uses of the porous carbon material are also provided.
-
公开(公告)号:US20230295376A1
公开(公告)日:2023-09-21
申请号:US18018949
申请日:2021-08-10
Applicant: Agency for Science, Technology and Research
Inventor: Junhua Kong , Songlin Liu , Suxi Wang , Qi Feng Lim , Beng Hoon Maureen Janet Tan , Chaobin He
CPC classification number: C08G73/065 , C08K3/32 , C08L23/12 , C08K2003/323 , C08L2201/02
Abstract: A polymer having a backbone and a side unit of 9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide bonded thereto, where the backbone of the polymer includes at least one heterocyclic moiety. There is also provided a process for producing the polymer as defined herein as well as a flame retardant polyolefin formulation including the polymer as defined herein and a moulded article including the flame retardant polyolefin formulation as defined herein.
-
公开(公告)号:US11590476B2
公开(公告)日:2023-02-28
申请号:US16994216
申请日:2020-08-14
Applicant: Agency for Science, Technology and Research
Abstract: A method of producing a porous carbon composite fibrous mats formed of a network of carbon fibers incorporated with porous carbon particles. The method includes electrospinning a polymer solution to form a porous layer of polymeric fibers and the polymeric fibers are doped with a precursor of conductive metal particles, wherein the polymer solution includes a polymer and the precursor of the conductive metal particles, electrospraying a metal organic framework suspension onto the porous layer of polymeric fibers, wherein the metal organic framework suspension includes metal organic framework particles, repeating the electrospinning and electrospraying in an alternating manner to form a porous network of polymeric fibers incorporated with the metal organic framework particles, and heating the porous network of polymeric fibers incorporated with the metal organic framework particles to form the porous carbon composite fibrous mats. The porous carbon composite fibrous mats and its applications thereof are also disclosed herein.
-
公开(公告)号:US20210296648A1
公开(公告)日:2021-09-23
申请号:US17223347
申请日:2021-04-06
Applicant: Agency for Science, Technology and Research
Inventor: Suxi Wang , Xu Li , Andy Hor , Zhongxing Zhang , Kia Jia Benny Chew
Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals. A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.
-
公开(公告)号:US10128503B2
公开(公告)日:2018-11-13
申请号:US14890410
申请日:2014-05-12
Applicant: Agency for Science, Technology and Research
Inventor: Xu Li , Chao Bin He , Suxi Wang , Siew Yee Wong , Shilin Chen
IPC: H01M4/04 , H01M4/587 , D01D5/00 , D04H1/4242 , D04H1/728 , D01F9/24 , H01M4/133 , D01F9/17 , D01F11/12 , H01M4/1393 , H01M4/36 , H01M4/62 , H01M4/02
Abstract: There is provided a conductive fibrous material comprising a plurality of carbonaceous fibers, wherein each carbonaceous fiber is fused to at least one other fiber. The carbonaceous fibers may be fused at fiber-to-fiber contact points by a polymer. The process of making the conductive fibrous material comprises mixing a phenolic polymer with a second polymer to form a polymer solution, preparing phenolic fibers having nano- or micro-scale diameters by electrospinning the polymer solution, and subsequent carbonization of the obtained phenolic fibers, thereby generating carbonaceous fibers, wherein each carbonaceous fiber is fused to at least one other fiber. The conductive fibrous material may be useful in electrode materials for energy storage devices.
-
公开(公告)号:US11646418B2
公开(公告)日:2023-05-09
申请号:US17223347
申请日:2021-04-06
Applicant: Agency for Science, Technology and Research
Inventor: Suxi Wang , Xu Li , Andy Hor , Zhongxing Zhang , Kia Jia Benny Chew
IPC: H01M4/587 , D01D5/00 , D01F1/10 , D01F9/22 , B82Y30/00 , D04H3/002 , D04H3/03 , H01M10/0525 , H01M4/62 , H01M4/02
CPC classification number: H01M4/587 , B82Y30/00 , D01D5/003 , D01F1/10 , D01F9/22 , D04H3/002 , D04H3/03 , H01M10/0525 , D10B2101/12 , D10B2321/10 , D10B2401/16 , H01M4/625 , H01M2004/027
Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals. A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.
-
公开(公告)号:US11320212B2
公开(公告)日:2022-05-03
申请号:US16980946
申请日:2019-03-15
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor: Qiang Zhu , Xiang Yun Debbie Soo , Tao Tang , Suxi Wang , Jianwei Xu
Abstract: A thermal control system with new phase change material (PCM) formulations that are able to maintain the system interior in a temperature range of, for example, −15 to −40° C., for a tunable working period from several hours to approximately half a day, is provided. The composition includes the inorganic and organic materials. The inorganic materials include the inorganic salts and various functional additives; while the organic materials include fatty acids, hydrocarbons and various nanostructures.
-
-
-
-
-
-
-
-
-