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公开(公告)号：US08574681B2
公开(公告)日：2013-11-05
申请号：US12152284
申请日：2008-05-13
IPC分类号： B05D3/02
CPC分类号： C04B35/624 , C04B35/14 , C04B2235/422 , H01L51/442
摘要： A ceramic composite thin film or layer includes individual graphene oxide and/or electrically conductive graphene sheets dispersed in a ceramic (e.g. silica) matrix. The thin film or layer can be electrically conductive film or layer depending the amount of graphene sheets present. The composite films or layers are transparent, chemically inert and compatible with both glass and hydrophilic SiOx/silicon substrates. The composite film or layer can be produced by making a suspension of graphene oxide sheet fragments, introducing a silica-precursor or silica to the suspension to form a sol, depositing the sol on a substrate as thin film or layer, at least partially reducing the graphene oxide sheets to conductive graphene sheets, and thermally consolidating the thin film or layer to form a silica matrix in which the graphene oxide and/or graphene sheets are dispersed.
摘要翻译： 陶瓷复合薄膜或层包括分散在陶瓷（例如二氧化硅）基体中的单独的石墨烯氧化物和/或导电石墨烯薄片。 根据存在的石墨烯片的量，薄膜或层可以是导电膜或层。 复合膜或层是透明的，化学惰性的并且与玻璃和亲水性SiO x /硅衬底兼容。 可以通过制备氧化石墨烯片片段的悬浮液，将二氧化硅前体或二氧化硅引入悬浮液以形成溶胶，将溶胶沉积在基材上作为薄膜或层，来制备复合膜或层，至少部分地减少 氧化石墨烯片与导电石墨烯片，并且热固化该薄膜或层以形成其中分散有氧化石墨烯和/或石墨烯片的二氧化硅基质。
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公开(公告)号：US07914844B2
公开(公告)日：2011-03-29
申请号：US11600679
申请日：2006-11-16
CPC分类号： H01B1/24 , C01B32/225
摘要： A method of making a dispersion of reduced graphite oxide nanoplatelets involves providing a dispersion of graphite oxide nanoplatelets and reducing the graphite oxide nanoplatelets in the dispersion in the presence of a reducing agent and a polymer. The reduced graphite oxide nanoplatelets are reduced to an extent to provide a higher C/O ratio than graphite oxide. A stable dispersion having polymer-treated reduced graphite oxide nanoplatelets dispersed in a dispersing medium, such as water or organic liquid is provided. The polymer-treated, reduced graphite oxide nanoplatelets can be distributed in a polymer matrix to provide a composite material.
摘要翻译： 制备还原性氧化石墨纳米片的分散体的方法包括在还原剂和聚合物的存在下提供石墨氧化物纳米片的分散体并还原分散体中的氧化石墨纳米片。 还原的氧化石墨纳米片减少到提供比氧化石墨更高的C / O比的程度。 提供了分散在分散介质如水或有机液体中的具有聚合物处理的还原性氧化石墨纳米片的稳定分散体。 聚合物处理的还原性氧化石墨纳米片可以分布在聚合物基质中以提供复合材料。
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公开(公告)号：US20100323178A1
公开(公告)日：2010-12-23
申请号：US12152284
申请日：2008-05-13
CPC分类号： C04B35/624 , C04B35/14 , C04B2235/422 , H01L51/442
摘要： A ceramic composite thin film or layer includes individual graphene oxide and/or electrically conductive graphene sheets dispersed in a ceramic (e.g. silica) matrix. The thin film or layer can be electrically conductive film or layer depending the amount of graphene sheets present. The composite films or layers are transparent, chemically inert and compatible with both glass and hydrophilic SiOx/silicon substrates. The composite film or layer can be produced by making a suspension of graphene oxide sheet fragments, introducing a silica-precursor or silica to the suspension to form a sol, depositing the sol on a substrate as thin film or layer, at least partially reducing the graphene oxide sheets to conductive graphene sheets, and thermally consolidating the thin film or layer to form a silica matrix in which the graphene oxide and/or graphene sheets are dispersed.
摘要翻译： 陶瓷复合薄膜或层包括分散在陶瓷（例如二氧化硅）基体中的单独的石墨烯氧化物和/或导电石墨烯薄片。 根据存在的石墨烯片的量，薄膜或层可以是导电膜或层。 复合膜或层是透明的，化学惰性的并且与玻璃和亲水性SiO x /硅衬底兼容。 可以通过制备氧化石墨烯片片段的悬浮液，将二氧化硅前体或二氧化硅引入悬浮液以形成溶胶，将溶胶沉积在基材上作为薄膜或层，来制备复合膜或层，至少部分地减少 氧化石墨烯片与导电石墨烯片，并且热固化该薄膜或层以形成其中分散有氧化石墨烯和/或石墨烯片的二氧化硅基质。
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4.发明申请Composite polymer film with graphene nanosheets as highly effective barrier property enhancers 审中-公开具有石墨烯纳米片的复合聚合物膜作为高效阻隔性能增强剂公开(公告)号：US20130295367A1
公开(公告)日：2013-11-07
申请号：US13986011
申请日：2013-03-22
摘要： Composite polymer films or layers have graphene-based nanosheets dispersed in the polymer for the reduction of gas permeability and light transmittance.
摘要翻译： 复合聚合物膜或层具有分散在聚合物中的石墨烯纳米片，以降低透气性和透光率。
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公开(公告)号：US20100323177A1
公开(公告)日：2010-12-23
申请号：US12152283
申请日：2008-05-13
CPC分类号： B32B9/04 , B32B9/007 , B32B2307/54 , B32B2307/726 , B32B2457/00
摘要： A macroscale sheet laminate includes individual graphene oxide sheets layered one on another in a manner to form a self-supporting paper-like laminated product. The product can be fabricated by making a suspension of individual graphene oxide sheets and assembling the graphene oxide sheets as a laminate on a fluid-permeable support by flow-directed assembly. The laminate is dried and released from the membrane filter as a self-supporting sheet laminate.
摘要翻译： 宏观层压板包括以形成自支撑纸状层压产品的方式彼此层叠的单独的石墨烯氧化物片材。 可以通过制备单独的石墨烯氧化物片的悬浮液并通过流动组装将石墨烯氧化物片作为层压体组装在流体可渗透的载体上来制造产品。 将层压体作为自支撑片材层压体从膜过滤器干燥并释放。
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公开(公告)号：US08147957B2
公开(公告)日：2012-04-03
申请号：US12360560
申请日：2009-01-27
IPC分类号： D02G3/00
CPC分类号： B32B27/32 , B32B5/022 , B32B5/024 , B32B5/026 , B32B5/08 , B32B5/26 , B32B7/02 , B32B27/08 , B32B27/12 , B32B2262/0253 , B32B2262/0261 , B32B2262/0269 , B32B2262/101 , B32B2262/106 , B32B2307/54 , D01F8/06 , Y10T428/249924 , Y10T428/269 , Y10T428/2929 , Y10T428/2931 , Y10T442/2008 , Y10T442/651
摘要： A consolidated fibrous structure including a multiplicity of fibrous layers. The fibers of each fibrous layer contain a core, a first layer and a second layer. The core has an exterior surface portion containing polypropylene. The first layer is disposed on at least a portion of the core and contains a first polymer. The first polymer contains a polymer having at least 70% α-olefin units and is characterized by a melting temperature lower than the melting temperature of the exterior surface portion of the core. The second layer is disposed on at least a portion of the first layer and contains a second polymer.
摘要翻译： 包含多个纤维层的固结纤维结构。 每个纤维层的纤维包含芯，第一层和第二层。 芯具有包含聚丙烯的外表面部分。 第一层设置在芯的至少一部分上并且包含第一聚合物。 第一聚合物含有具有至少70％的α-烯烃单元的聚合物，其特征在于熔融温度低于芯的外表面部分的熔融温度。 第二层设置在第一层的至少一部分上并且包含第二聚合物。
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公开(公告)号：US08119549B2
公开(公告)日：2012-02-21
申请号：US12360553
申请日：2009-01-27
CPC分类号： B32B5/26 , B32B5/022 , B32B5/024 , B32B5/026 , B32B5/08 , B32B7/02 , B32B27/08 , B32B27/12 , B32B27/32 , B32B2262/0253 , B32B2262/0261 , B32B2262/0269 , B32B2262/101 , B32B2262/106 , B32B2307/54 , Y10T428/249924 , Y10T428/269 , Y10T428/2929 , Y10T428/2933 , Y10T428/2938 , Y10T442/2008 , Y10T442/3049 , Y10T442/637 , Y10T442/641 , Y10T442/651
摘要： A consolidated fibrous structure including a multiplicity of fibrous layers. The fibers of each fibrous layer contain a core and a skin layer. The core has an exterior surface portion containing polypropylene. The skin layer is disposed on at least a portion of the core and contains a first polymer and a second polymer. The first polymer contains a polymer having at least 70% α-olefin units and is characterized by a melting temperature lower than the melting temperature of the exterior surface portion of the core. The second polymer contains a co-polymer having at least 50% α-olefin units and is characterized by a number-average molecular weight of about 7,000 g/mol to 50,000 g/mol, a viscosity of between about 2,500 and 150,000 cP measured at 170° C., and a melting temperature lower than the melting temperature of the exterior surface portion of the core. The viscosity of the second polymer is not greater than about 10 percent of the viscosity of the first polymer measured at 170° C. At least a portion of the skin layers of the fibers in each fibrous layer are fused to at least a portion of other skin layers of fibers within the same fibrous layer, at least a portion of the skin layers of the fibers of each fibrous layer are fused with at least a portion of the skin layers of the fibers in an adjacent fibrous layer, and the stiffness of the consolidated fibrous structure is at least 1 N-m. A fibrous layer is also described.
摘要翻译： 包含多个纤维层的固结纤维结构。 每个纤维层的纤维含有核心和皮肤层。 芯具有包含聚丙烯的外表面部分。 表层设置在芯的至少一部分上并含有第一聚合物和第二聚合物。 第一聚合物含有具有至少70％的α-烯烃单元的聚合物，其特征在于熔融温度低于芯的外表面部分的熔融温度。 第二聚合物含有具有至少50％α-烯烃单元的共聚物，其特征在于数均分子量为约7,000g / mol至50,000g / mol，粘度在约2,500至150,000cP之间 170℃，并且熔融温度低于芯的外表面部分的熔融温度。 第二聚合物的粘度不大于在170℃下测量的第一聚合物的粘度的约10％。每个纤维层中纤维的至少一部分表皮层与至少一部分其它纤维层融合 在同一纤维层内的纤维表皮层，每个纤维层的纤维表层的至少一部分与相邻纤维层中的至少一部分纤维的表皮层熔合， 固结的纤维结构至少为1Nm。 还描述了纤维层。
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公开(公告)号：US20100189963A1
公开(公告)日：2010-07-29
申请号：US12360576
申请日：2009-01-27
CPC分类号： D01D5/426 , B29C47/0014 , B29C47/0019 , B29C47/0021 , B29C47/0023 , B29C47/0026 , B29C47/0057 , B29C47/025 , B29C47/128 , B29C70/202 , B29C70/465 , B29C70/506 , B29K2023/12 , B29L2031/731 , B32B5/022 , B32B5/024 , B32B5/026 , B32B5/08 , B32B5/26 , B32B7/02 , B32B27/08 , B32B27/12 , B32B27/32 , B32B27/327 , B32B2250/40 , B32B2262/0253 , B32B2262/0261 , B32B2262/0269 , B32B2262/101 , B32B2262/106 , B32B2307/54 , B32B2307/702 , B32B2307/704 , D01F8/06 , Y10T428/24802 , Y10T428/249938 , Y10T428/249939 , Y10T428/249946 , Y10T428/2967
摘要： A multi-layered fiber containing a core and a skin layer. The core has an exterior surface portion containing polypropylene. The skin layer is disposed on at least a portion of the core and contains a first polymer and a second polymer. The first polymer contains a polymer having at least 70% α-olefin units and is characterized by a melting temperature lower than the melting temperature of the exterior surface portion of the core. The second polymer contains a co-polymer having at least 50% α-olefin units and is characterized by a number-average molecular weight of about 7,000 g/mol to 50,000 g/mol, a viscosity of between about 2,500 and 150,000 cP measured at 170° C., and a melting temperature lower than the melting temperature of the exterior surface portion of the core. The viscosity of the second polymer is not greater than about 10 percent of the viscosity of the first polymer measured at 170° C. Methods of forming the multi-layered fiber are also disclosed.
摘要翻译： 含有核心和皮肤层的多层纤维。 芯具有包含聚丙烯的外表面部分。 表层设置在芯的至少一部分上并含有第一聚合物和第二聚合物。 第一聚合物含有具有至少70％的α-烯烃单元的聚合物，其特征在于熔融温度低于芯的外表面部分的熔融温度。 第二聚合物含有具有至少50％α-烯烃单元的共聚物，其特征在于数均分子量为约7,000g / mol至50,000g / mol，粘度在约2,500至150,000cP之间 170℃，并且熔融温度低于芯的外表面部分的熔融温度。 第二聚合物的粘度不高于在170℃下测量的第一聚合物的粘度的约10％。还公开了形成多层纤维的方法。
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公开(公告)号：US20100186880A1
公开(公告)日：2010-07-29
申请号：US12360542
申请日：2009-01-27
申请人： Sujith Nair , Sasha Stankovich , Yunzhang Wang , Venkatkrishna Raghavendran , Howell B. Eleazer
发明人： Sujith Nair , Sasha Stankovich , Yunzhang Wang , Venkatkrishna Raghavendran , Howell B. Eleazer
IPC分类号： B29C70/52
CPC分类号： B29C70/10 , B29C70/46 , B29K2223/00
摘要： A method of consolidating thermoplastic fibrous layers. The method begins with providing a plurality of fibers, where the fibers have a core with an exterior surface portion comprising polypropylene and a first layer disposed on at least a portion of the core. The first layer contains a first polymer, where the first polymer contains at least 70% α-olefin units and is characterized by a melting temperature less than the melting temperature of the exterior surface of the core. These fibers are formed into a fibrous layer. Next, a second layer is applied to the fibrous layer such that the second layer covers at least a portion of the first layers of the fibers. The second layer contains a second polymer being a co-polymer having at least 50% α-olefin units which is characterized by a number-average molecular weight of about 7,000 g/mol to 50,000 g/mol, a viscosity of between about 2,500 and 150,000 cP measured at 170° C., and a melting temperature lower than the melting temperature of the exterior surface of the core. The viscosity of the second polymer is less than a tenth of the viscosity of the first polymer measured at 170° C. Next, heat and optionally pressure are applied to the fibrous layer causing at least a portion of the second layers of the fibers in each fibrous layer to fuse to other first or second layers of the fibers within the same fibrous layer, at least a portion of the second layers of the fibers of each fibrous layer fuse with at least a portion of the first or second layers of the fibers in an adjacent fibrous layer, and at least a portion of the interstices to be filled with a blend of the first and second polymers, where the blend filling the interstices comprises at least 80% wt the second polymer.
摘要翻译： 一种固结热塑性纤维层的方法。 该方法开始于提供多个纤维，其中纤维具有芯，其具有包括聚丙烯的外表面部分和设置在芯的至少一部分上的第一层。 第一层包含第一聚合物，其中第一聚合物含有至少70％的α-烯烃单元，其特征在于熔融温度低于芯的外表面的熔融温度。 这些纤维形成纤维层。 接下来，将第二层施加到纤维层，使得第二层覆盖纤维的第一层的至少一部分。 第二层包含第二聚合物，其是具有至少50％的α-烯烃单元的共聚物，其特征在于数均分子量为约7,000g / mol至50,000g / mol，粘度为约2,500和 在170℃下测量150,000cP，并且熔融温度低于芯的外表面的熔融温度。 第二聚合物的粘度小于在170℃下测量的第一聚合物的粘度的十分之一。接下来，将热量和任选压力施加到纤维层，使纤维层中的每个纤维的至少一部分第二层纤维 纤维层，以在相同的纤维层内融合到纤维的其它第一或第二层，每个纤维层的纤维的第二层的至少一部分与纤维的第一或第二层的至少一部分融合 相邻的纤维层，以及要填充第一和第二聚合物的共混物的空隙的至少一部分，其中填充空隙的共混物包含至少80重量％的第二聚合物。
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公开(公告)号：US07960024B2
公开(公告)日：2011-06-14
申请号：US12360596
申请日：2009-01-27
IPC分类号： D02G3/36
CPC分类号： D01F8/06 , B32B5/022 , B32B5/024 , B32B5/026 , B32B5/08 , B32B5/26 , B32B7/02 , B32B27/08 , B32B27/12 , B32B27/32 , B32B2262/0253 , B32B2262/0261 , B32B2262/0269 , B32B2262/101 , B32B2262/106 , B32B2307/54 , D06M15/227 , Y10T428/2913 , Y10T428/2929 , Y10T428/2973 , Y10T428/2976 , Y10T428/2978
摘要： A multi-layered fiber including a core, a first layer, and a second layer. The core has an exterior surface portion containing polypropylene. The first layer is disposed on at least a portion of the core and contains a first polymer. The first polymer contains a polymer having at least 70% α-olefin units and is characterized by a melting temperature lower than the melting temperature of the exterior surface portion of the core. The second layer is disposed on at least a portion of the first layer and contains a second polymer. The second polymer contains a co-polymer having at least 50% α-olefin units and is characterized by a number-average molecular weight of about 7,000 g/mol to 50,000 g/mol, a viscosity of between about 2,500 and 150,000 cP measured at 170° C., and a melting temperature lower than the melting temperature of the exterior surface portion of the core. The viscosity of the second polymer is not greater than about 10 percent of the viscosity of the first polymer measured at 170° C. Methods of forming the multi-layered fiber are also disclosed.
摘要翻译： 一种多层纤维，包括芯，第一层和第二层。 芯具有包含聚丙烯的外表面部分。 第一层设置在芯的至少一部分上并且包含第一聚合物。 第一聚合物含有具有至少70％的α-烯烃单元的聚合物，其特征在于熔融温度低于芯的外表面部分的熔融温度。 第二层设置在第一层的至少一部分上并且包含第二聚合物。 第二聚合物含有具有至少50％α-烯烃单元的共聚物，其特征在于数均分子量为约7,000g / mol至50,000g / mol，粘度在约2,500至150,000cP之间 170℃，并且熔融温度低于芯的外表面部分的熔融温度。 第二聚合物的粘度不高于在170℃下测量的第一聚合物的粘度的约10％。还公开了形成多层纤维的方法。
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