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公开(公告)号:US20200283594A1
公开(公告)日:2020-09-10
申请号:US16809769
申请日:2020-03-05
摘要: A method of forming a void, channel and/or vascular network in a polymeric matrix comprises providing a pre-vascularized structure that includes a matrix material and a sacrificial material embedded in the matrix material in a predetermined pattern, where the matrix material comprises a monomer and the sacrificial material comprises a polymer. A region of the matrix material is activated to initiate an exothermic polymerization reaction and generate a self-propagating polymerization front. As the polymerization front propagates through the matrix material and polymerizes the monomer, heat from the exothermic reaction simultaneously degrades the sacrificial material into a gas-phase and/or liquid-phase byproduct. Thus, one or more voids or channels having the predetermined pattern are rapidly formed in the matrix material.
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公开(公告)号:US10139389B2
公开(公告)日:2018-11-27
申请号:US15380200
申请日:2016-12-15
发明人: Jeffrey S. Moore , Scott R. White , Nancy R. Sottos , Wenle Li , Christopher Coleman Matthews , Maxwell J. Robb
IPC分类号: C09D5/22 , G01N21/64 , G01N31/22 , C09D175/04 , G01N33/44 , C09D163/00
摘要: An autonomic self-indicating material is provided, the material comprising a polymer composition or a composite material embedded with a microcapsule or a vascular structure comprising an aggregation-induced emission (AIE) luminogen. Upon mechanical damage to the material, the luminogen is released and aggregates, leading to fluorescence.
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公开(公告)号:US09982068B2
公开(公告)日:2018-05-29
申请号:US15000910
申请日:2016-01-19
发明人: Nagarjuna Gavvalapalli , Jeffrey S. Moore , Joaquin Rodriguez-Lopez , Kevin Cheng , Mei Shen , Timothy Lichtenstein
IPC分类号: H01M8/18 , H01M8/20 , C08F112/14 , H01M8/02 , C08F12/26 , C08F12/32 , C08F212/14 , C08F8/30
CPC分类号: C08F112/14 , C08F8/30 , C08F12/26 , C08F12/32 , C08F212/14 , H01M8/02 , H01M8/188 , H01M8/20 , H01M2300/0025 , H01M2300/0028 , Y02E60/528 , C08F12/18 , C08F212/36
摘要: The invention provides a redox flow battery comprising a microporous or nanoporous size-exclusion membrane, wherein one cell of the battery contains a redox-active polymer dissolved in the non-aqueous solvent or a redox-active colloidal particle dispersed in the non-aqueous solvent. The redox flow battery provides enhanced ionic conductivity across the electrolyte separator and reduced redox-active species crossover, thereby improving the performance and enabling widespread utilization. Redox active poly(vinylbenzyl ethylviologen) (RAPs) and redox active colloidal particles (RACs) were prepared and were found to be highly effective redox species. Controlled potential bulk electrolysis indicates that 94-99% of the nominal charge on different RAPs is accessible and the electrolysis products are stable upon cycling. The high concentration attainable (>2.0 M) for RAPs in common non-aqueous battery solvents, their electrochemical and chemical reversibility, and their hindered transport across porous separators make them attractive materials for non-aqueous redox flow batteries based on size-selectivity.
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4.
公开(公告)号:US20160208030A1
公开(公告)日:2016-07-21
申请号:US15000910
申请日:2016-01-19
发明人: Nagarjuna Gavvalapalli , Jeffrey S. Moore , Joaquin Rodriguez-Lopez , Kevin Cheng , Mei Shen , Timothy Lichtenstein
IPC分类号: C08F112/14 , H01M8/20 , H01M8/02 , H01M8/18
CPC分类号: C08F112/14 , C08F8/30 , C08F12/26 , C08F12/32 , C08F212/14 , H01M8/02 , H01M8/188 , H01M8/20 , H01M2300/0025 , H01M2300/0028 , Y02E60/528 , C08F12/18 , C08F212/36
摘要: The invention provides a redox flow battery comprising a microporous or nanoporous size-exclusion membrane, wherein one cell of the battery contains a redox-active polymer dissolved in the non-aqueous solvent or a redox-active colloidal particle dispersed in the non-aqueous solvent. The redox flow battery provides enhanced ionic conductivity across the electrolyte separator and reduced redox-active species crossover, thereby improving the performance and enabling widespread utilization. Redox active poly(vinylbenzyl ethylviologen) (RAPs) and redox active colloidal particles (RACs) were prepared and were found to be highly effective redox species. Controlled potential bulk electrolysis indicates that 94-99% of the nominal charge on different RAPs is accessible and the electrolysis products are stable upon cycling. The high concentration attainable (>2.0 M) for RAPs in common non-aqueous battery solvents, their electrochemical and chemical reversibility, and their hindered transport across porous separators make them attractive materials for non-aqueous redox flow batteries based on size-selectivity.
摘要翻译: 本发明提供一种包含微孔或纳米孔尺寸排阻膜的氧化还原液流电池,其中电池的一个电池含有溶解在非水溶剂中的氧化还原活性聚合物或分散在非水溶剂中的氧化还原活性胶体颗粒 。 氧化还原液流电池在电解质分离器上提供了增强的离子电导率,并且减少了氧化还原活性物质的交叉,从而提高了性能并使其得到广泛的应用。 制备了氧化还原活性聚(乙烯基苄基乙基紫精)(RAP)和氧化还原活性胶体颗粒(RAC),发现它们是高效的氧化还原物质。 受控潜在体积电解表明,不同RAP上的额定电荷的94-99%是可接近的,并且电解产物在循环时是稳定的。 通常的非水电解质溶剂中RAP的高浓度(> 2.0M),它们的电化学和化学可逆性以及它们在多孔分离器上的阻碍传输,使得它们基于尺寸选择性而成为非水氧化还原液流电池的有吸引力的材料。
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">5.
公开(公告)号:US20150137416A1
公开(公告)日:2015-05-21
申请号:US14540324
申请日:2014-11-13
CPC分类号: D01F1/10 , B29K2067/046 , B29K2105/0014 , B29L2031/731 , D01F6/625
摘要: A method of making a sacrificial fiber, comprising: forming a molten sacrificial composition comprising a poly(hydroxyalkanoate) and a metal catalyst; extruding the molten sacrificial composition to form a sacrificial fiber comprising the poly(hydroxyalkanoate) and the metal catalyst, where the concentration of the metal catalyst in the sacrificial fiber is at least 0.1 wt %.
摘要翻译: 一种制备牺牲纤维的方法,包括:形成包含聚(羟基链烷酸酯)和金属催化剂的熔融牺牲组合物; 挤出熔融牺牲组合物以形成包含聚(羟基链烷酸酯)和金属催化剂的牺牲纤维,其中牺牲纤维中的金属催化剂的浓度为至少0.1重量%。
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公开(公告)号:US20240026068A1
公开(公告)日:2024-01-25
申请号:US18265141
申请日:2021-12-06
发明人: Jeffrey S. Moore , Philippe H. Geubelle , Nancy R. Sottos , Elizabeth C. Firestone , Evan M. Lloyd
IPC分类号: C08G61/08
CPC分类号: C08G61/08 , C08G2261/3324 , C08G2261/3325 , C08G2261/418
摘要: A method of spontaneously patterning a polymer during frontal polymerization includes activating an initiation region of a monomer solution to reaction to initiate a polymerization reaction. A polymerization front is generated and propagates through the monomer solution in a radial or longitudinal direction away from the initiation region. The monomer solution is spontaneously heated downstream of the polymerization front by thermal transport away from the polymerization reaction. Once a localized region of the monomer solution reaches a temperature sufficient for spontaneous initiation of another polymerization reaction, a new polymerization front is generated and propagates through the monomer solution in a circumferential or transverse direction. The spontaneous heating of the monomer solution downstream of the polymerization front and the initiation of another polymerization reaction occurs cyclically, producing multiple new polymerization fronts and spatial variations in reaction temperature across the monomer solution. Once polymerization is complete, a spontaneously patterned polymer is formed.
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7.
公开(公告)号:US20230357490A1
公开(公告)日:2023-11-09
申请号:US18310155
申请日:2023-05-01
发明人: Jeffrey S. Moore , Nancy R. Sottos , Benjamin A. Suslick , Diego M. Alzate-Sanchez , Nil A. Parikh
摘要: Methods of preparing oligomers including heating a mixture of an amount of a functionalized cycloalkene, an amount of a chain transfer agent, a phosphite ester, and a catalyst, a degree of polymerization of the oligomers controllable by a molar ratio of the amount of the functionalized cycloalkene to the amount of the chain transfer agent, are provided herein. Methods of preparing polymers including heating the oligomers and a second amount of the functionalized cycloalkene, a phosphite ester, and a catalyst are further provided. Compositions of oligomers and functionalized cycloalkenes are further provided.
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公开(公告)号:US20230357459A1
公开(公告)日:2023-11-09
申请号:US18312729
申请日:2023-05-05
发明人: Yunyan Sun , William J. Neary , Jeffrey S. Moore
CPC分类号: C08F24/00 , A61M5/00 , A61M2005/006 , A61M2205/33
摘要: Compounds of formula (I) are provided. Polymers including monomers of formula (II) are further provided. Methods of releasing controlled amounts of a small molecule from the polymers are further provided. Devices for releasing controlled amounts of a small molecule are further provided.
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公开(公告)号:US20230096431A1
公开(公告)日:2023-03-30
申请号:US17910132
申请日:2021-03-10
发明人: Nancy R. Sottos , Jeffrey S. Moore , Leon M. Dean , Qiong Wu , Omar Alshangiti
摘要: A method of rapidly forming an elastomer with tunable properties is described herein. The method includes preparing a monomer solution comprising a catalyst and one or more monomers including 1,5-cyclooctadiene (COD). The one or more monomers may further include dicyclopentadiene (DCPD), and each of the COD and the DCPD may be present in the monomer solution at a predetermined volume percentage. A region of the monomer solution is activated to initiate an exothermic polymerization reaction and generate a self-propagating polymerization front, which moves through the monomer solution and polymerizes the one or more monomers. Thus, an elastomer having predetermined properties is rapidly formed.
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公开(公告)号:US20220235173A1
公开(公告)日:2022-07-28
申请号:US17571750
申请日:2022-01-10
发明人: Jeffrey S. Moore , Nancy R. Sottos , Benjamin A. Suslick , Katherine Stawiasz , Justine E. Paul
摘要: A frontally polymerized polymeric body includes, according to a first embodiment, a deformable polymer comprising polydicyclopentadiene (pDCPD) and/or poly(5-ethylidene-2-norbornene) (pENB), where the deformable polymer has a fracture strain of at least about 0.5 mm mm−1. According to a second embodiment, the frontally polymerized polymeric body includes a first polymer comprising pDCPD and/or pENB, and a second polymer adjacent to the first polymer also comprising the pDCPD and/or the pENB. The second polymer is more or less deformable than the first polymer. Thus, the frontally polymerized polymeric body exhibits spatially varying mechanical and/or other properties.
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