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公开(公告)号:US11447645B1
公开(公告)日:2022-09-20
申请号:US17713852
申请日:2022-04-05
IPC分类号: C09D5/08 , C09D163/00 , C09D5/24 , C09D7/80 , C08K3/014 , C08K9/04 , C09D175/04 , C08K5/16 , C08K5/17 , C09D7/40 , C09D5/16
摘要: A saltwater corrosion resistant hybrid composite is provided. The saltwater corrosion resistant hybrid composite coating includes at least one conductive polymer, crumb rubber, and a cured epoxy. The conductive polymer is dispersed in particles of the crumb rubber to form a network. The network is dispersed in the cured epoxy to form the saltwater corrosion resistant hybrid composite coating. A method of making of the saltwater corrosion resistant hybrid composite is also provided. A metal when coated with the resistant hybrid composite of the present disclosure is resistant to salt-water corrosion.
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公开(公告)号:US11713397B1
公开(公告)日:2023-08-01
申请号:US17821194
申请日:2022-08-22
IPC分类号: C09D5/08 , C09D163/00 , C08K3/014 , C08K9/04 , C09D7/80 , C09D5/24 , C09D7/40 , C09D175/04 , C08K5/16 , C08K5/17 , C09D5/16
CPC分类号: C09D5/08 , C08K3/014 , C08K9/04 , C09D5/24 , C09D7/80 , C09D163/00 , C08K5/16 , C08K5/17 , C09D5/16 , C09D7/69 , C09D175/04
摘要: A saltwater corrosion resistant hybrid composite is provided. The saltwater corrosion resistant hybrid composite coating includes at least one conductive polymer, crumb rubber, and a cured epoxy. The conductive polymer is dispersed in particles of the crumb rubber to form a network. The network is dispersed in the cured epoxy to form the saltwater corrosion resistant hybrid composite coating. A method of making of the saltwater corrosion resistant hybrid composite is also provided. A metal when coated with the resistant hybrid composite of the present disclosure is resistant to salt-water corrosion.
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公开(公告)号:US11433422B2
公开(公告)日:2022-09-06
申请号:US16568380
申请日:2019-09-12
发明人: Zahid Ahmed Uwais , Abdul Samad Mohammed , Madhan Kumar , Mohamed Abdrabou Hussein , Nasser Al-Aqeeli
摘要: A biocompatible polymer hybrid nanocomposite coating on a surface of a substrate, such as titanium and its alloys. The coating can be achieved by an electrostatic spray coating, preferably using ultra-high molecular weight polyethylene (UHMWPE) as a matrix for the coating. For example, up to 2.95 wt. % carbon nanotubes can be used as reinforcement, as can up to 4.95 wt. % hydroxyapatite. A dispersion of CNTs and HA in the coating is substantially uniform. The tribological performance of such coatings include high hardness, improved scratch resistance, excellent wear resistance, and corrosion resistance compared to pure UHMWPE coatings.
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公开(公告)号:US09828655B2
公开(公告)日:2017-11-28
申请号:US14845430
申请日:2015-09-04
CPC分类号: C22C14/00 , A61L27/00 , A61L27/06 , A61L31/022 , B22F3/105 , B22F2003/1051 , B22F2998/10 , C22C1/0458 , B22F2009/041
摘要: Alloys of titanium with 20-22 at. % niobium and 12-13 at. % zirconium. The alloys are prepared by mechanical alloying of elemental powders and densification by spark plasma sintering. The alloys have a nano-scaled, equiaxed granular structure, a microhardness of at least 650 HV and a modulus of 90-140 GPa. The inventive alloy is corrosion resistant, biocompatible, and is of a higher wear resistance and durability compared to the Ti-6Al-4V alloy. The bioactive surface of the inventive nanostructured alloy promotes a higher protein adsorption that stimulates new bone formation than other titanium-based alloys. These alloys are suitable for various biomedical and dental applications.
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公开(公告)号:US11692242B2
公开(公告)日:2023-07-04
申请号:US16672866
申请日:2019-11-04
CPC分类号: C22C1/05 , B22F9/04 , C22C1/0408 , B22F2003/1051 , B22F2009/041 , B22F2201/10 , B22F2301/058
摘要: A method for producing a biodegradable magnesium metal composite that includes a polycrystalline magnesium matrix and TiB2 grains which are homogenously distributed in the polycrystalline magnesium matrix involving spark plasma sintering a milled mixture of magnesium powder and TiB2 powder. The temperature, pressure, and time of the spark plasma sintering used in the method are used to give high microharness, macrohardness, and density with low porosity by limiting the grain growth in the composite. The method yields a biodegradable magnesium metal composite having an improved microhardness, macrohardness, density, and porosity compared to other composites and methods of making composites.
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公开(公告)号:US11530327B1
公开(公告)日:2022-12-20
申请号:US17744115
申请日:2022-05-13
摘要: A saltwater corrosion resistant composite coating is described. The coating includes at least one conductive polymer, chitosan, reduced graphene oxide (rGO), and a cured epoxy. The rGO and chitosan are dispersed in particles of the conductive polymer to form a 3D network. At least a portion of the chitosan is covalently bound to the rGO. At least a portion of the conductive polymer is covalently bound to the chitosan, and the 3D network is dispersed in the cured epoxy.
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公开(公告)号:US20190336918A1
公开(公告)日:2019-11-07
申请号:US15971862
申请日:2018-05-04
摘要: Durable, porous alumina-carbon nanotube membranes and methods for making them using spark plasma sintering. Methods for removing heavy metals such as cadmium from waste water using alumina-carbon nanotube membranes.
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