公开(公告)号：US20130165353A1

公开(公告)日：2013-06-27

申请号：US13332432

申请日：2011-12-21

申请人： Oleg A. Mazyar ,  Michael H. Johnson ,  Soma Chakraborty ,  Gaurav Agrawal

发明人： Oleg A. Mazyar ,  Michael H. Johnson ,  Soma Chakraborty ,  Gaurav Agrawal

IPC分类号： C09K8/00 ,  B82Y30/00

CPC分类号： B82Y30/00

摘要： A nanocomposite comprises a matrix; and a nanoparticle comprising an ionic polymer disposed on the surface of the nanoparticle, the nanoparticle being dispersed in and/or disposed on the matrix. A method of making a nanocomposite, comprises combining a nanoparticle and an ionic liquid; polymerizing the ionic liquid to form an ionic polymer; disposing the ionic polymer on the nanoparticle; and combining the nanoparticle with the ionic polymer and a matrix to form the nanocomposite.

摘要翻译： 纳米复合材料包括基体; 以及包含设置在纳米颗粒表面上的离子聚合物的纳米颗粒，所述纳米颗粒分散在和/或设置在基质上。 制备纳米复合材料的方法包括将纳米颗粒和离子液体组合; 聚合离子液体以形成离子聚合物; 将离子聚合物置于纳米颗粒上; 并将纳米颗粒与离子聚合物和基质结合以形成纳米复合材料。

公开(公告)号：US08425651B2

公开(公告)日：2013-04-23

申请号：US12847594

申请日：2010-07-30

申请人： Zhiyue Xu ,  Soma Chakraborty ,  Gaurav Agrawal

发明人： Zhiyue Xu ,  Soma Chakraborty ,  Gaurav Agrawal

IPC分类号： B22F9/02

CPC分类号： B22F1/025 ,  C22C1/0408 ,  C22C1/0416 ,  C22C32/0084

摘要： A powder metal composite is disclosed. The powder metal composite includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The composite also includes a plurality of dispersed first particles each comprising a first particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the nanomatrix; a plurality of dispersed second particles intermixed with the dispersed first particles, each comprising a second particle core material that comprises a carbon nanoparticle; and a solid-state bond layer extending throughout the nanomatrix between the dispersed first and second particles. The nanomatrix powder metal composites are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components.

摘要翻译： 公开了一种粉末金属复合材料。 粉末金属复合材料包括基本上连续的，包含纳米线性材料的细胞纳米线。 复合材料还包括多个分散的第一颗粒，每个颗粒包含分散在纳米基质中的包含Mg，Al，Zn或Mn的第一颗粒芯材料或其组合; 多个分散的第二颗粒与分散的第一颗粒混合，每个颗粒包含包含碳纳米颗粒的第二颗粒芯材料; 以及在分散的第一和第二颗粒之间延伸贯穿纳米基质的固态键合层。 纳米金属粉末金属复合材料是独特的轻质，高强度材料，其还提供独特的选择性和可控制的腐蚀性能，包括非常快速的腐蚀速率，可用于制造各种可降解或一次性制品，包括各种井下工具和部件。

公开(公告)号：US20130045897A1

公开(公告)日：2013-02-21

申请号：US13213827

申请日：2011-08-19

申请人： Soma Chakraborty ,  Gaurav Agrawal

发明人： Soma Chakraborty ,  Gaurav Agrawal

IPC分类号： C09K8/035 ,  C07C53/00 ,  C07D309/00 ,  C07C211/00 ,  C09K8/03 ,  C07C31/02 ,  C01B13/14 ,  C08G77/38 ,  C07C43/10 ,  B82Y30/00

CPC分类号： B82Y30/00 ,  C09K8/524 ,  C09K8/92 ,  C09K2208/10 ,  Y10T428/2982

摘要： An amphiphilic nanoparticle comprises a nanoparticle having a hydrophilic region comprising a hydrophilic functional group bonded to a first portion of a surface of the nanoparticle, and a hydrophobic region of a surface of the nanoparticle. A downhole fluid comprises the amphiphilic nanoparticle, and a method of controlling an oil spill using the downhole fluid are also disclosed.

摘要翻译： 两亲性纳米颗粒包含具有亲水区域的纳米颗粒，所述亲水区域包含与纳米颗粒表面的第一部分结合的亲水性官能团和纳米颗粒表面的疏水区域。 井下流体包括两亲纳米颗粒，并且还公开了使用井下流体控制漏油的方法。

公开(公告)号：US20130000209A1

公开(公告)日：2013-01-03

申请号：US13174031

申请日：2011-06-30

申请人： Soma Chakraborty ,  Gaurav Agrawal

发明人： Soma Chakraborty ,  Gaurav Agrawal

IPC分类号： B24D3/20 ,  C07C51/00 ,  C07H1/00 ,  C07C209/00 ,  B01J3/06 ,  C07C35/22 ,  C07C61/125 ,  C07C53/136 ,  C07C63/49 ,  C07C29/00 ,  C01B31/00

CPC分类号： B24D99/005 ,  B01J3/062 ,  B01J2203/062 ,  B01J2203/0655 ,  B01J2203/0685 ,  B24D3/08 ,  B24D18/0009 ,  C01B32/28 ,  C04B35/532 ,  C04B35/6264 ,  C04B35/62645 ,  C04B35/6265 ,  C04B35/6268 ,  C04B35/62802 ,  C04B35/62884 ,  C04B35/6325 ,  C04B35/634 ,  C04B35/636 ,  C04B35/645 ,  C04B2235/427 ,  C04B2235/48 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/5472 ,  C22C26/00 ,  C22C2204/00

摘要： Methods of treating a plurality of particles comprise functionalizing a plurality of microscale diamond particles by covalently bonding one or more molecular groups selected from the group consisting of —OH functional groups, —COOH functional groups, —R—COOH functional groups, wherein R comprises alkyls, —Ph—COOH functional groups, wherein Ph comprises phenolics, polymers, oligomers, monomers, glycols, sugars, ionic functional groups, metallic functional groups, and organo-metallic functional groups to outer surfaces of at least some particles of the plurality of microscale diamond particles. A stability of the functionalized plurality of microscale diamond particles in dispersion is increased as compared to a plurality of microscale diamond particles that has not been functionalized.

摘要翻译： 处理多个颗粒的方法包括通过共价键合一个或多个选自-OH官能团，-COOH官能团，-R-COOH官能团的分子基团官能化多个微米级金刚石颗粒，其中R包括烷基 ，-Ph-COOH官能团，其中Ph包括多种微量元素的至少一些颗粒的外表面的酚类，聚合物，低聚物，单体，二醇，糖，离子官能团，金属官能团和有机金属官能团 金刚石颗粒。 与未被功能化的多个微米级金刚石颗粒相比，功能化的多个微米级金刚石颗粒在分散体中的稳定性增加。

公开(公告)号：US20120324799A1

公开(公告)日：2012-12-27

申请号：US13166557

申请日：2011-06-22

申请人： Soma Chakraborty ,  Oleksandr Kuznetsov ,  Gaurav Agrawal

发明人： Soma Chakraborty ,  Oleksandr Kuznetsov ,  Gaurav Agrawal

IPC分类号： C09K3/14 ,  E21B10/46 ,  B24D3/00 ,  B82Y30/00

CPC分类号： E21B10/5735 ,  B24D18/00 ,  B24D18/0009 ,  B82Y30/00 ,  C09K3/1436 ,  E21B10/54 ,  E21B10/567

摘要： Coated particles comprise a core particle comprising a superhard material and having an average diameter of between 1 μm and 500 μm. A coating material is adhered to and covers at least a portion of an outer surface of the core particle, the coating material comprising an amine terminated group. A plurality of nanoparticles selected from the group consisting of carbon nanotubes, nanographite, nanographene, non-diamond carbon allotropes, surface modified nanodiamond, nanoscale particles of BeO, and nanoscale particles comprising a Group VIIIA element is adhered to the coating material.

摘要翻译： 包覆颗粒包括包含超硬材料并且平均直径在1μm和500μm之间的芯颗粒。 涂覆材料粘附并覆盖核心颗粒的外表面的至少一部分，该涂层材料包含胺封端基团。 选自碳纳米管，纳米石墨，纳米线烯，非金刚石碳同素异形体，表面改性纳米金刚石，BeO纳米尺度颗粒和包含第VIIIA族元素的纳米级颗粒的多种纳米颗粒被粘附到涂层材料上。

公开(公告)号：US20120102843A1

公开(公告)日：2012-05-03

申请号：US13283021

申请日：2011-10-27

申请人： Soma Chakraborty ,  Anthony A. DiGiovanni ,  Gaurav Agrawal ,  Danny E. Scott ,  Vipul Mathur

发明人： Soma Chakraborty ,  Anthony A. DiGiovanni ,  Gaurav Agrawal ,  Danny E. Scott ,  Vipul Mathur

IPC分类号： B24D3/06 ,  B24D18/00 ,  C09K3/14

CPC分类号： C01B32/28 ,  B05D1/36 ,  B05D7/5483 ,  B05D7/5883 ,  B22F1/02 ,  B22F1/025 ,  B22F2005/001 ,  B22F2998/00 ,  C04B35/00 ,  C04B35/52 ,  C04B35/62839 ,  C04B2235/427 ,  C22C26/00 ,  E21B10/567

摘要： Coated diamond particles have solid diamond cores and at least one graphene layer. Methods of forming coated diamond particles include coating diamond particles with a charged species and coating the diamond particles with a graphene layer. A composition includes a substance and a plurality of coated diamond particles dispersed within the substance. An intermediate structure includes a hard polycrystalline material comprising a first plurality of diamond particles and a second plurality of diamond particles. The first plurality of diamond particles and the second plurality of diamond particles are interspersed. A method of forming a polycrystalline compact includes catalyzing the fox of inter-granular bonds between adjacent particles of a plurality of diamond particles having at least one graphene layer.

摘要翻译： 涂层金刚石颗粒具有固体金刚石芯和至少一个石墨烯层。 形成涂层金刚石颗粒的方法包括用带电物质涂覆金刚石颗粒并用石墨烯层涂覆金刚石颗粒。 组合物包括分散在物质内的物质和多个涂覆的金刚石颗粒。 中间结构包括包含第一多个金刚石颗粒和第二多个金刚石颗粒的硬质多晶材料。 第一多个金刚石颗粒和第二多个金刚石颗粒是散布的。 形成多晶压块的方法包括催化在具有至少一个石墨烯层的多个金刚石颗粒的相邻颗粒之间形成颗粒间结合。

公开(公告)号：US09809740B2

公开(公告)日：2017-11-07

申请号：US14934732

申请日：2015-11-06

申请人： Soma Chakraborty ,  Michael H. Johnson

发明人： Soma Chakraborty ,  Michael H. Johnson

IPC分类号： C09K8/42 ,  C09K8/58 ,  E21B43/267 ,  B82Y30/00 ,  C09K8/03 ,  C09K8/66 ,  C09K8/70 ,  C09K8/84 ,  C09K8/92

CPC分类号： C09K8/58 ,  B82Y30/00 ,  C09K8/032 ,  C09K8/665 ,  C09K8/70 ,  C09K8/845 ,  C09K8/92 ,  C09K2208/10 ,  E21B43/267

摘要： Disclosed herein is a nanoparticle modified fluid that includes nanoparticles that are surface modified to increase a viscosity of the nanoparticle modified fluid and that have at least one dimension that is less than or equal to about 50 nanometers; nanoparticles that are surface modified to increase a viscosity of the nanoparticle modified fluid and that have at least one dimension that is less than or equal to about 70 nanometers; and a liquid carrier; wherein the nanoparticle modified fluid exhibits a viscosity above that of a comparative nanoparticle modified fluid that contains the same nanoparticles but whose surfaces are not modified, when both nanoparticle modified fluids are tested at the same shear rate and temperature.

公开(公告)号：US09488027B2

公开(公告)日：2016-11-08

申请号：US13371096

申请日：2012-02-10

申请人： Randall V. Guest ,  Soma Chakraborty ,  Joshua C. Falkner

发明人： Randall V. Guest ,  Soma Chakraborty ,  Joshua C. Falkner

IPC分类号： E21B33/12 ,  E21B33/134 ,  B82Y30/00 ,  E21B33/129

CPC分类号： E21B33/12 ,  B82Y30/00 ,  E21B33/1208 ,  E21B33/1291 ,  E21B33/134

摘要： A downhole composite component is disclosed. The downhole composite component includes a tubular member, the tubular member comprising a fiber reinforced polymer matrix composite. The fiber reinforced polymer matrix composite includes a polymer matrix, the polymer matrix having an unfilled matrix compressive modulus of elasticity. The polymer matrix also includes a nanoparticle filler comprising a plurality of nanoparticles dispersed within the polymer matrix, the polymer matrix and dispersed nanoparticle filler having a filled matrix compressive modulus of elasticity, the filled matrix compressive modulus of elasticity being greater than the unfilled matrix compressive modulus of elasticity. The fiber reinforced polymer matrix composite also includes a plurality of reinforcing fibers, the plurality of reinforcing fibers embedded within the polymer matrix, the polymer matrix and plurality of reinforcing fibers having the form of the tubular member, the tubular member configured to receive a compressive stress.

摘要翻译： 公开了一种井下复合材料。 所述井下复合部件包括管状部件，所述管状部件包括纤维增强聚合物基质复合材料。 纤维增强聚合物基质复合材料包括聚合物基体，聚合物基体具有未填充基体的压缩弹性模量。 聚合物基质还包括纳米颗粒填料，其包含分散在聚合物基体内的多个纳米颗粒，聚合物基质和分散的纳米颗粒填料具有填充基体的压缩弹性模量，填充基体的压缩弹性模量大于未填充的基体压缩模量 的弹性。 纤维增强聚合物基质复合材料还包括多个增强纤维，嵌入聚合物基体内的多个增强纤维，聚合物基质和多个具有管状构件形式的增强纤维，该管状构件构造成承受压应力 。

公开(公告)号：US09441462B2

公开(公告)日：2016-09-13

申请号：US13348090

申请日：2012-01-11

申请人： Soma Chakraborty ,  Michael H. Johnson ,  Gaurav Agrawal

发明人： Soma Chakraborty ,  Michael H. Johnson ,  Gaurav Agrawal

IPC分类号： E21B43/08 ,  B29C44/04 ,  B82Y30/00 ,  C08J9/00 ,  B29C44/02 ,  B29K105/16 ,  B29K105/04 ,  B29L31/14 ,  B29K75/00 ,  B29K105/24

CPC分类号： E21B43/08 ,  B29C44/02 ,  B29K2075/00 ,  B29K2105/045 ,  B29K2105/162 ,  B29K2105/24 ,  B29K2995/0068 ,  B29K2995/0092 ,  B29K2995/0093 ,  B29L2031/14 ,  B82Y30/00 ,  C08J9/0071 ,  C08J2205/05

摘要： A downhole filter comprising includes an open cell foam; and nanoparticles disposed in the open cell foam and exposed within pores of the open cell foam. A method of preparing the downhole filter includes combining a polyisocyanate and polyol to form a polymer composition; introducing nanoparticles into the polymer composition; and foaming the polymer composition to produce the downhole filter comprising an open cell foam having nanoparticles exposed within pores of the open cell foam. The nanoparticles can be derivatized with functional groups.

摘要翻译： 一种井下过滤器，包括开孔泡沫; 和开放泡沫泡沫体中的纳米颗粒，并暴露于开孔泡沫的孔内。 制备井下过滤器的方法包括组合多异氰酸酯和多元醇以形成聚合物组合物; 将纳米颗粒引入聚合物组合物中; 并且使聚合物组合物发泡以产生井下过滤器，其包括具有暴露在开孔泡沫的孔内的纳米颗粒的开孔泡沫。 纳米颗粒可以用官能团衍生化。

公开(公告)号：US09283657B2

公开(公告)日：2016-03-15

申请号：US14607227

申请日：2015-01-28

申请人： Soma Chakraborty ,  Gaurav Agrawal

发明人： Soma Chakraborty ,  Gaurav Agrawal

IPC分类号： B24D3/02 ,  B24D99/00 ,  B01J3/06 ,  B82Y30/00 ,  B24D18/00 ,  C01B31/06

CPC分类号： B24D99/005 ,  B01J3/062 ,  B01J2203/062 ,  B01J2203/0655 ,  B01J2203/0685 ,  B24D18/0009 ,  B82Y30/00 ,  C01B32/28 ,  C04B35/528 ,  C04B35/62625 ,  C04B35/63404 ,  C04B35/63448 ,  C04B35/645 ,  C04B2235/349 ,  C04B2235/3817 ,  C04B2235/3847 ,  C04B2235/386 ,  C04B2235/40 ,  C04B2235/422 ,  C04B2235/425 ,  C04B2235/428 ,  C04B2235/5248 ,  C04B2235/5436 ,  C04B2235/5454 ,  C04B2235/5472

摘要： A method of forming a polycrystalline diamond compact from_a substantially homogeneous suspension of nanodiamond particles and microdiamond particles is disclosed The method includes disposing a first functional group on a plurality of nanodiamond particles to form derivatized nanodiamond particles, and combining the derivatized nanodiamond particles with a plurality of microdiamond particles, metal solvent-catalyst particles and a solvent to form a substantially homogeneous suspension of these particles in the solvent. A method of making an article is also disclosed. The method includes forming a superabrasive polycrystalline diamond compact by combining: a plurality of derivatized nanodiamond particles, a plurality of derivatized microdiamond particles having an average particle size greater than that of the derivatized nanodiamond particles, and a metal solvent-catalyst.

摘要翻译： 公开了一种从纳米金刚石颗粒和微金刚石颗粒的基本均匀的悬浮液形成多晶金刚石复合体的方法。该方法包括在多个纳米金刚石颗粒上设置第一官能团以形成衍生的纳米金刚石颗粒，并将衍生的纳米金刚石颗粒与多个 微金刚石颗粒，金属溶剂 - 催化剂颗粒和溶剂，以形成这些颗粒在溶剂中的基本均匀的悬浮液。 还公开了制造物品的方法。 该方法包括：通过组合多个衍生的纳米金刚石颗粒，多个衍生化的微粒子颗粒，其平均粒径大于衍生的纳米金刚石颗粒的平均粒径，以及金属溶剂 - 催化剂，形成超硬磨料多晶金刚石压块。