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公开(公告)号：US07951864B2
公开(公告)日：2011-05-31
申请号：US12577801
申请日：2009-10-13
CPC分类号： B82Y30/00 , C08J5/005 , C08J2371/00
摘要： The present invention provides polymer nanocomposites with dispersed nanotubes and methods of making same. The polymer may be a polyether. For example, the present invention provides an effective method to successfully disperse single walled nanotubes (SWNTs) into both Polyethylenoxide (PEO) and its low molecular weight analog polyethylene glycol (PEG) with hydrodynamic percolation at about 0.09 wt % and an electrical percolation at about 0.03 wt % SWNTs at room temperature, and the resulting nanocomposites. The method may include providing a surfactant. Most notably the present inventors achieved a decrease in the melting point of the polymer and a retardation of polymer crystallization due to the presence of the nanotubes.
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公开(公告)号：US07893148B2
公开(公告)日：2011-02-22
申请号：US12064660
申请日：2006-08-24
CPC分类号： B82Y30/00 , C08J5/005 , C08J2371/00
摘要： The present invention provides polymer nanocomposites with dispersed nanotubes and methods of making same. The polymer may be a polyether. For example, the present invention provides an effective method to successfully disperse single walled nanotubes (SWNTs) into both Polyethylenoxide (PEO) and its low molecular weight analog polyethylene glycol (PEG) with hydrodynamic percolation at about 0.09 wt % and an electrical percolation at about 0.03 wt % SWNTs at room temperature, and the resulting nanocomposites. The method may include providing a surfactant. Most notably the present inventors achieved a decrease in the melting point of the polymer and a retardation of polymer crystallization due to the presence of the nanotubes.
摘要翻译： 本发明提供了具有分散纳米管的聚合物纳米复合材料及其制备方法。 聚合物可以是聚醚。 例如，本发明提供了一种将单壁纳米管（SWNT）成功地分散在聚乙烯氧化物（PEO）及其低分子量模拟聚乙二醇（PEG）中的流体动力学渗透约0.09wt％和约渗透电渗析的有效方法 0.03wt％的SWNTs和所得的纳米复合材料。 该方法可以包括提供表面活性剂。 最值得注意的是本发明人由于纳米管的存在而实现了聚合物的熔点降低和聚合物结晶的延迟。
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公开(公告)号：US20100090175A1
公开(公告)日：2010-04-15
申请号：US12577801
申请日：2009-10-13
IPC分类号： H01B1/24
CPC分类号： B82Y30/00 , C08J5/005 , C08J2371/00
摘要： The present invention provides polymer nanocomposites with dispersed nanotubes and methods of making same. The polymer may be a polyether. For example, the present invention provides an effective method to successfully disperse single walled nanotubes (SWNTs) into both Polyethylenoxide (PEO) and its low molecular weight analog polyethylene glycol (PEG) with hydrodynamic percolation at about 0.09 wt % and an electrical percolation at about 0.03 wt % SWNTs at room temperature, and the resulting nanocomposites. The method may include providing a surfactant. Most notably the present inventors achieved a decrease in the melting point of the polymer and a retardation of polymer crystallization due to the presence of the nanotubes.
摘要翻译： 本发明提供了具有分散纳米管的聚合物纳米复合材料及其制备方法。 聚合物可以是聚醚。 例如，本发明提供了一种将单壁纳米管（SWNT）成功地分散在聚乙烯氧化物（PEO）及其低分子量模拟聚乙二醇（PEG）中的流体动力学渗滤约0.09wt％和约在约0.1wt％的电渗透的有效方法 0.03wt％的SWNTs和所得的纳米复合材料。 该方法可以包括提供表面活性剂。 最值得注意的是本发明人由于纳米管的存在而实现了聚合物的熔点降低和聚合物结晶的延迟。
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公开(公告)号：US20070259994A1
公开(公告)日：2007-11-08
申请号：US10561712
申请日：2004-06-23
CPC分类号： C08J5/005 , B82Y30/00 , B82Y40/00 , C01B32/174 , C01B2202/02 , C08J2321/00
摘要： The present invention is directed to carbon nanotube-elastomer composites, methods for making such carbon nanotube-elastomer composites, and articles of manufacture made with such carbon nanotube-elastomer composites. In general, such carbon nanotube-elastomer (CNT-elastomer) composites display an enhancement in their tensile modulus (over the native elastomer), but without a large concomitant reduction in their strain-at-break.
摘要翻译： 本发明涉及碳纳米管 - 弹性体复合材料，制造这种碳纳米管 - 弹性体复合材料的方法以及用这种碳纳米管 - 弹性体复合材料制成的制品。 通常，这种碳纳米管弹性体（CNT-弹性体）复合材料的拉伸模量（超过天然弹性体）显示出增强，但是其断裂应变没有大的同时减少。
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公开(公告)号：US07879940B2
公开(公告)日：2011-02-01
申请号：US10561253
申请日：2004-06-21
CPC分类号： C08F4/484 , B82Y30/00 , B82Y40/00 , C01B32/174 , C01B2202/02 , C08F2/00 , C08F112/08 , C08F292/00 , C08K3/041 , C08K9/04 , C08L67/04
摘要： The present invention is directed to aryl halide (such as aryl bromide) functionalized carbon nanotubes that can be utilized in anionic polymerization processes to form polymer-carbon nanotube materials with improved dispersion ability in polymer matrices. In this process the aryl halide is reacted with an alkyllithium species or is reacted with a metal to replace the aryl-bromine bond with an aryl-lithium or aryl-metal bond, respectively. It has further been discovered that other functionalized carbon nanotubes, after deprotonation with a deprotonation agent, can similarly be utilized in anionic polymerization processes to form polymer-carbon nanotube materials. Additionally or alternatively, a ring opening polymerization process can be performed. The resultant materials can be used by themselves due to their enhanced strength and reinforcement ability when compared to their unbound polymer analogs. Additionally, these materials can also be blended with pre-formed polymers to establish compatibility and enhanced dispersion of nanotubes in otherwise hard to disperse matrices resulting in significantly improved material properties. The resultant polymer-carbon nanotube materials can also be used in drug delivery processes due to their improved dispersion ability and biodegradability, and can also be used for scaffolding to promote cellular growth of tissue.
摘要翻译： 本发明涉及可用于阴离子聚合方法形成聚合物 - 碳纳米管材料的芳族卤化物（例如芳基溴）官能化碳纳米管，其具有改进的聚合物基质中的分散能力。 在该方法中，芳基卤化物与烷基锂物质反应，或与金属反应，分别用芳基 - 锂或芳基 - 金属键代替芳基 - 溴键。 还已经发现，其它官能化碳纳米管在去质子化脱质子化之后，可以类似地用于阴离子聚合方法中以形成聚合物 - 碳纳米管材料。 另外地或替代地，可以进行开环聚合过程。 所得材料由于与未结合的聚合物类似物相比具有增强的强度和增强能力，可以自己使用。 另外，这些材料也可以与预先形成的聚合物混合以建立纳米管在其它难分散的基质中的相容性和增强的分散，导致显着改善的材料性质。 所得到的聚合物 - 碳纳米管材料由于其改进的分散能力和生物降解性也可用于药物递送过程中，并且也可用于支架以促进组织的细胞生长。
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公开(公告)号：US20090221738A1
公开(公告)日：2009-09-03
申请号：US12064660
申请日：2006-08-24
IPC分类号： C08K3/04
CPC分类号： B82Y30/00 , C08J5/005 , C08J2371/00
摘要： The present invention provides polymer nanocomposites with dispersed nanotubes and methods of making same. The polymer may be a polyether. For example, the present invention provides an effective method to successfully disperse single walled nanotubes (SWNTs) into both Polyethylenoxide (PEO) and its low molecular weight analog polyethylene glycol (PEG) with hydrodynamic percolation at about 0.09 wt % and an electrical percolation at about 0.03 wt % SWNTs at room temperature, and the resulting nanocomposites. The method may include providing a surfactant. Most notably the present inventors achieved a decrease in the melting point of the polymer and a retardation of polymer crystallization due to the presence of the nanotubes.
摘要翻译： 本发明提供了具有分散纳米管的聚合物纳米复合材料及其制备方法。 聚合物可以是聚醚。 例如，本发明提供了一种将单壁纳米管（SWNT）成功地分散在聚乙烯氧化物（PEO）及其低分子量模拟聚乙二醇（PEG）中的流体动力学渗滤约0.09wt％和约在约0.1wt％的电渗透的有效方法 0.03wt％的SWNTs和所得的纳米复合材料。 该方法可以包括提供表面活性剂。 最值得注意的是本发明人由于纳米管的存在而实现了聚合物的熔点降低和聚合物结晶的延迟。
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公开(公告)号：US20060142466A1
公开(公告)日：2006-06-29
申请号：US10561253
申请日：2004-06-21
IPC分类号： C08K3/04
CPC分类号： C08F4/484 , B82Y30/00 , B82Y40/00 , C01B32/174 , C01B2202/02 , C08F2/00 , C08F112/08 , C08F292/00 , C08K3/041 , C08K9/04 , C08L67/04
摘要： The present invention is directed to aryl halide (such as aryl bromide) functionalized carbon nanotubes can be utilized in anionic polymerization processes to form polymer-carbon nanotube materials with improved dispersion ability in polymer matrices. In this process the aryl halide is reacted with an alkyllithium species or is reacted with a metal to replace the aryl-bromine bond with an aryl-lithium or aryl-metal bond, respectively. It has further been discovered that other functionalized carbon nanotubes, after deprotonation with a deprotonation agent, can similarly be utilized in anionic polymerization processes to form polymer-carbon nanotube materials. Additionally or alternatively, a ring opening polymerization process can be performed. The resultant materials can be used by themselves due to their enhanced strength and reinforcement ability when compared to their unbound polymer analogs. Additionally, these materials can also be blended with pre-formed polymers to establish compatibility and enhanced dispersion of nanotubes in otherwise hard to disperse matrices resulting in significantly improved material properties. The resultant polymer-carbon nanotube materials can also be used in drug delivery processes due to their improved dispersion ability and biodegradability, and can also be used for scaffolding to promote cellular growth of tissue.
摘要翻译： 本发明涉及芳基卤化物（例如芳基溴），官能化的碳纳米管可用于阴离子聚合方法中以形成聚合物基体中分散能力提高的聚合物 - 碳纳米管材料。 在该方法中，芳基卤化物与烷基锂物质反应，或与金属反应，分别用芳基 - 锂或芳基 - 金属键代替芳基 - 溴键。 还已经发现，其它官能化碳纳米管在去质子化脱质子化之后，可以类似地用于阴离子聚合方法中以形成聚合物 - 碳纳米管材料。 另外地或替代地，可以进行开环聚合过程。 所得材料由于与未结合的聚合物类似物相比具有增强的强度和增强能力，可以自己使用。 另外，这些材料也可以与预先形成的聚合物混合以建立纳米管在其它难分散的基质中的相容性和增强的分散，导致显着改善的材料性质。 所得到的聚合物 - 碳纳米管材料由于其改进的分散能力和生物降解性也可用于药物递送过程中，并且也可用于支架以促进组织的细胞生长。
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