Patents Assigned to NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING CHINESE ACADEMY OF SCIENCES
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Patent number: 11970790Abstract: A polylactic acid nano-fiber membrane and preparation method thereof. In particular, the membrane has PLA nanofibers with an average diameter between 50 nm and 200 nm, wherein the nanofibers contain a crystal phase with a volume fraction between 45% and 85% and the crystal phase contains PLA stereocomplex crystals with a volume fraction between 85% and 95%. The method of preparation includes mixing dried PDLA and PLLA in a specific PLLA/PDLA ratio of between 95/5 and 99/1; producing continuous fibers or nonwovens in a extrusion and spinning device, and producing woven fabrics or nonwovens with the continuous fibers; heat treating the woven fabrics or nonwovens; washing the heat treated woven fabrics or nonwovens with a solvent; removing the solvent and drying the woven fabrics or nonwovens; and pressing the dried woven fabrics or nonwovens for making the membrane.Type: GrantFiled: September 6, 2019Date of Patent: April 30, 2024Assignees: PURAC BIOCHEM B.V., NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCES (NIMTE CN)Inventors: Peng Chen, Wei Huang
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Publication number: 20240084465Abstract: A modification method of an anode for hydrogen production via electrolysis, the anode for hydrogen production via electrolysis and use thereof are provided. The modification method of the anode for hydrogen production via electrolysis includes providing an anode substrate which can be used for hydrogen production via catalytic electrolysis; and depositing a plurality of silver nano particles on the active surface of the anode substrate to form a silver nano layer, wherein gaps are present between the silver nano particles, and a part of the active surface is exposed from the gaps. In the modification method provided by the present application, the silver nano layer covers on the surface of the anode substrate, and chlorine ions are adsorbed onto the surface of silver in the process of hydrogen production via electrolysis to form a chlorine removal layer.Type: ApplicationFiled: August 17, 2022Publication date: March 14, 2024Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Zhiyi LU, Zhongfeng WANG, Wenwen XU
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Patent number: 11918980Abstract: A catalyst for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction as well as a preparation method and use thereof are provided. The catalyst includes a zero-valent iron and phosphorus co-modified carbon material which includes a carbon material as a carrier, a zero-valent iron supported onto the carrier and serving as an active component, and a phosphate functional group formed on the surface of the carbon material. The preparation method includes: co-modifying a carbon material using a ferric salt and organic phosphorus to obtain the catalyst for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction. The present application further provides a method for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction.Type: GrantFiled: December 24, 2021Date of Patent: March 5, 2024Assignees: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES, NINGBO JUHUA CHEMICAL & SCIENCE CO., LTD.Inventors: Yexin Zhang, Qiang Zhou, Jian Zhang, Junliang Zhong, Xiuxiu Wang, Jili Du, Hui Chen, Chengjun Mu, Jie Yang, Linbing Xia, Yong Yang, Gang Wu
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Publication number: 20240001346Abstract: A catalyst for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction as well as a preparation method and use thereof are provided. The catalyst includes a zero-valent iron and phosphorus co-modified carbon material which includes a carbon material as a carrier, a zero-valent iron supported onto the carrier and serving as an active component, and a phosphate functional group formed on the surface of the carbon material. The preparation method includes: co-modifying a carbon material using a ferric salt and organic phosphorus to obtain the catalyst for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction. The present application further provides a method for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction.Type: ApplicationFiled: December 24, 2021Publication date: January 4, 2024Applicants: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCES, NINGBO JUHUA CHEMICAL & SCIENCE CO., LTD.Inventors: Yexin ZHANG, Qiang ZHOU, Jian ZHANG, Junliang ZHONG, Xiuxiu WANG, Jili DU, Hui CHEN, Chengjun MU, Jie YANG, Linbing XIA, Yong YANG, Gang WU
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Publication number: 20240003051Abstract: A method for fabricating a transparent conductive oxide thin film, the method comprising the following steps: fabricating Ba1-xLaxSnO3 using a solid-phase reaction method to obtain a BLSO magnetron sputtering target material; and fabricating a BLSO thin film by means of direct deposition with argon as a sputtering gas by using a SrTiO3, MgO, LaAlO3, (La,Sr)(Al,Ta)O3(LSAT), MgAl2O4 or Al2O3 single crystal substrate and the BLSO magnetron sputtering target material, such that the transparent conductive oxide thin film is fabricate is provided. During sputtering, the temperature of the substrate is 750° C.-950° C., and the deposition pressure of the Ar gas is 25-77 Pa. The room-temperature mobility of the transparent conductive oxide thin film can reach 115 cm2/V·s, the room-temperature carrier concentration can reach 1.2×1021 cm?3, and the room-temperature conductivity can reach 14,000 S/cm.Type: ApplicationFiled: June 11, 2021Publication date: January 4, 2024Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Ruyi ZHANG, Yanwei CAO, Yang SONG, Shaoqin PENG, Jiachang BI
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Patent number: 11859296Abstract: A method for producing 2,5-furandicarboxylic acid (FDCA) by electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) is provided, where the catalytic oxidation is conducted using an electrolytic cell; the electrolytic cell is a three-electrode electrolytic cell or a two-electrode electrolytic cell; an anode used is a monolithic electrode; the monolithic electrode includes a carrier and a catalytically active substance loaded on the carrier; and the catalytically active substance includes cobaltosic oxide particle-encapsulated nitrogen-doped carbon nanowires. The method has high activity and high selectivity, and the anodic catalyst is highly tolerant to HMF.Type: GrantFiled: June 10, 2020Date of Patent: January 2, 2024Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Chunlin Chen, Zhenqiang Zhou, Jian Zhang
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Publication number: 20230364866Abstract: A three-dimensional structured multi-level interlocking structure and a preparation method thereof, the multi-level interlocking structure comprises: a first interlocking structure comprising a first bonding component, first bonding troughs and first macrostmctures alternately positioned on the surface of the first bonding component, and a second interlocking structure comprising a second bonding component, second bonding troughs and second macrostmctures alternately positioned on the surface of the second bonding component, the first macrostructures are aligned with the second bonding trough, and the second macrostmctures are aligned with the first bonding trough; and the first macrostructure has a first end away from the first bonding component and the second macrostructure has a first end away from the second bonding component, the first ends of the first macrostructure and the second macrostructure comprise a top plane, the first end of the first macrostructure extends past the top plane of the second macType: ApplicationFiled: January 12, 2022Publication date: November 16, 2023Applicants: The Boeing Company, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of SciencesInventors: Jianjun Guo, Yifan Zhang, Zhixiang Li, Gaojie Xu
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Patent number: 11795538Abstract: The preparation method for a nano composite coating having a shell-simulated multi-arch structure includes: constructing a discontinuous metal seed layer using a vacuum plating technology; and inducing the deposition of a continuous multi-arch structure layer utilizing the discontinuous metal seed layer, thereby realizing the controllable orientated growth of the nano composite coating having the shell-simulated multi-arch structure.Type: GrantFiled: July 13, 2020Date of Patent: October 24, 2023Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Liping Wang, Minpeng Dong, Jinlong Li
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Patent number: 11773274Abstract: The environmental-friendly antifouling agent includes a furan oxime and/or furan oxime metal complex, which has not only good antifouling performance, low toxicity and high efficiency and environmental friendliness. The ecological toxicity of the non-target organism is less than 15% of that of metals such as copper and chromium and organic matters such as benzoxazole, and the excellent barrier property of the furan ring structure itself on small molecules such as oxygen and water vapor can also significantly improve the barrier effect of a coating on a typical corrosive factor. The antifouling agent combined with an antifouling coating system can greatly improve the corrosion resistance of the coating system. Meanwhile, such the antifouling agent is easy to synthesize, can be well compatible with self-polishing resins, corrosion type resins and the like.Type: GrantFiled: November 2, 2020Date of Patent: October 3, 2023Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Liping Wang, Guangming Lu, Shuan Liu, Jibin Pu
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Publication number: 20230220572Abstract: A cobalt catalyst and a preparation method thereof are provided. The cobalt catalyst includes a carrier and a catalytically active substance; the carrier is a cobalt-based substrate material; the catalytically active substance is grown on the surface of the carrier, and the catalytically active substance has a morphology of hydrangea-shaped nanospheres. The cobalt catalyst is an autogenously grown monolithic nanosphere catalyst with a three-dimensional structure assembled by nano-sheets on the catalyst surface. The cobalt catalyst has a high specific surface area and can fully expose the catalytically active sites to enhance the catalytic efficiency. Compared to a nanowire catalyst, the cobalt catalyst has better self-supporting properties, and the active components are not easily aggregated nor fall off during a use process. Therefore, the cobalt catalyst has a longer service life.Type: ApplicationFiled: March 31, 2020Publication date: July 13, 2023Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Chunlin CHEN, Zhenqiang ZHOU, Jian ZHANG
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Patent number: 11684981Abstract: An ultra-fine nanocrystalline diamond precision cutting tool and a manufacturing method therefor. A diamond cutter is made of a thick self-supporting film of ultra-fine nanocrystalline diamond, the thick film having a thickness of 100-3000 microns, where 1 nanometer?diamond grain size?20 nanometers. In the manufacturing method, the growth of ultra-fine nanocrystalline diamond on a silicon substrate is accomplished by means of two steps of direct current hot cathode glow discharge chemical vapor deposition and hot filament chemical vapor deposition, then the silicon substrate is separated from the diamond to obtain a thick self-supporting film of ultra-fine nanocrystalline diamond, the thick self-supporting film of ultra-fine nanocrystalline diamond is laser cut and then welded to a cutter body, and then by means of edging, rough grinding and fine grinding, an ultra-fine nanocrystalline diamond precision cutting tool is obtained.Type: GrantFiled: April 18, 2018Date of Patent: June 27, 2023Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING. CHINESE ACADEMY OF SCIENCESInventors: Nan Jiang, He Li, Bo Wang, Jian Yi, Yang Cao
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Patent number: 11685986Abstract: The tantalum-doped molybdenum disulfide/tungsten disulfide (MoS2/WS2) multi-layer film includes a titanium transition layer, a titanium/tantalum/molybdenum disulfide/tungsten disulfide (Ti/Ta/MoS2/WS2) multi-layer gradient transition layer, and a tantalum-doped MoS2/WS2 multi-layer layer which are successively laminated in a thickness direction. The preparation method includes: successively depositing the titanium transition layer, the Ti/Ta/MoS2/WS2 multi-layer gradient transition layer, and the tantalum-doped MoS2/WS2 multi-layer layer on the surface of a matrix by adopting a magnetron sputtering technology to obtain the tantalum-doped MoS2/WS2 multi-layer film.Type: GrantFiled: October 26, 2020Date of Patent: June 27, 2023Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Jibin Pu, Liping Wang, Haixin Wang, Chun Zeng, Qunji Xue
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Publication number: 20230145043Abstract: The environmental-friendly antifouling agent includes a furan oxime and/or furan oxime metal complex, which has not only good antifouling performance, low toxicity and high efficiency and environmental friendliness. The ecological toxicity of the non-target organism is less than 15% of that of metals such as copper and chromium and organic matters such as benzoxazole, and the excellent barrier property of the furan ring structure itself on small molecules such as oxygen and water vapor can also significantly improve the barrier effect of a coating on a typical corrosive factor. The antifouling agent combined with an antifouling coating system can greatly improve the corrosion resistance of the coating system. Meanwhile, such the antifouling agent is easy to synthesize, can be well compatible with self-polishing resins, corrosion type resins and the like.Type: ApplicationFiled: November 2, 2020Publication date: May 11, 2023Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Liping WANG, Guangming LU, Shuan LIU, Jibin PU
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Publication number: 20230035080Abstract: A nanocomposite includes an oxygen vacancy-containing BiOX particle and a coating, where the coating is a biocompatible material. Under near-infrared (NIR) irradiation, the nanocomposite has a photothermal conversion efficiency of greater than or equal to 10%. Under NIR irradiation, the nanocomposite degrades 1,3-diphenylisobenzofuran (DPBF) at a rate of higher than or equal to 0.1 mmol/h. BiOX may be BiOF, BiOCl, BiOBr, BiOI, or BiOAt. A preparation method and a use of the nanocomposite are further provided. The nanocomposite is a bismuth oxyhalide nanomaterial with different numbers of oxygen vacancies and can be used for the photothermal therapy (PTT) of a tumor and for the integrated tumor diagnosis and treatment. The nanocomposite leads to an excellent therapeutic effect under the guidance of multi-modality imaging, and has excellent computed tomography (CT) imaging and photoacoustic imaging (PAI) performance.Type: ApplicationFiled: December 29, 2020Publication date: February 2, 2023Applicants: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES, Ningbo Cixi Institute of BioMedical EngineeringInventors: Aiguo WU, Tianxiang CHEN, Qianlan FANG
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Patent number: 11541480Abstract: Disclosed is a method for an all-laser hybrid additive manufacturing. After a matrix is obtained by means of selective laser melting forming, a subtractive forming is carried out on the matrix by means of a pulse laser to form a cavity, and the cavity is then packaged to obtain a forming material with an internal cavity structure. A laser precision packaging method is used in the method based on the melting of the laser selective region. Also disclosed is the apparatus, comprising a laser unit (2), a control unit (4) and a forming unit (6). The laser unit is in light path connection with the forming unit, and the control unit is electrically connected with the laser unit and the forming unit respectively. The laser unit comprises a first laser light source to and a second laser light source. The forming unit comprises a welding unit (68), and the welding unit is controlled by the control unit and is matched with the laser unit for the additive manufacturing.Type: GrantFiled: February 14, 2017Date of Patent: January 3, 2023Assignee: Ningbo Institute of Materials Technology & Engineering, Chinese Academy of SciencesInventors: Wenwu Zhang, Junke Jiao
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Patent number: 11538611Abstract: The present disclosure discloses a method for the magnetism stabilizing treatment of a permanent magnet material. The method can include the following steps: providing a permanent magnet material having a positive temperature coefficient of coercivity; magnetizing the permanent magnet material at a temperature T3 with a range of ?200 degree centigrades to 200 degree centigrades; and performing a magnetism stabilizing treatment towards the permanent magnet material with temperature decreased in a range of the temperature T3 to a temperature T4, or at the temperature T3.Type: GrantFiled: February 19, 2020Date of Patent: December 27, 2022Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Lei Liu, Aru Yan, Zhuang Liu, Xin Zhang, Yingli Sun
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Patent number: 11505706Abstract: The present application discloses paint based on a graphene nano container and a self-repairing coating as well as a preparation method and application thereof. The paint comprises a first component comprising 20˜40 parts by weight of epoxy resin; a second component comprising 0.1˜2 parts by weight of corrosion inhibitor-loaded graphene nano container, 1 part by weight of diluent, 30˜60 parts by weight of epoxy curing agent, 1 part by weight of defoaming agent and 1 part by weight of flatting agent, wherein the corrosion inhibitor-loaded graphene nano container comprises graphene grafted with cyclodextrin and the corrosion inhibitor reversely binding to the cyclodextrin. The paint of the present application is simple in preparation process, green and environmental friendly in raw material, low in price and available, and meanwhile the self-repairing coating formed thereof is excellent in protection performance.Type: GrantFiled: August 16, 2018Date of Patent: November 22, 2022Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Liping Wang, Haichao Zhao, Chengbao Liu, Yuwei Ye
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Publication number: 20220364220Abstract: The preparation method for a nano composite coating having a shell-simulated multi-arch structure includes: constructing a discontinuous metal seed layer using a vacuum plating technology; and inducing the deposition of a continuous multi-arch structure layer utilizing the discontinuous metal seed layer, thereby realizing the controllable orientated growth of the nano composite coating having the shell-simulated multi-arch structure.Type: ApplicationFiled: July 13, 2020Publication date: November 17, 2022Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Liping WANG, Minpeng DONG, Jinlong LI
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Patent number: 11499080Abstract: This application describes a thermal interface material, and preparation and application thereof. Specifically, a thermal interface material is described. The thermal interface material is obtained by bending and folding, optional horizontal pressing and optional high-temperature treatment of a laminated structure. Two-dimensional high-thermal-conductivity nano-plates on the upper surface and the lower surface of the thermal interface material have a horizontal stack structure. Two-dimensional high-thermal-conductivity nano-sheets located between the upper surface and the lower surface of the thermal interface material have both a vertical stack structure and a curved stack structure. Also described are a preparation method and application of the thermal interface material.Type: GrantFiled: May 8, 2018Date of Patent: November 15, 2022Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING CHINESE ACADEMY OF SCIENCESInventors: Wen Dai, Zhengde Lin, Nan Jiang, Jinhong Yu, Dan Dai, Hao Hou
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Publication number: 20220355276Abstract: A Raney copper catalyst, a preparation method and use thereof are provided. The Raney copper catalyst includes aluminum, copper and a metal promoter, wherein the metal promoter comprises a combination of one or more of Ni, Fe, Mo, Co, Ag, Pd, Pt, Au and other elements. The preparation method includes performing high-temperature melting on a mixture containing a copper/aluminum alloy and the metal promoter to obtain a mixed metal cured compound, then smashing the mixed metal cured compound to obtain a catalyst precursor, and subsequently activating to obtain the Raney copper catalyst. The Raney copper catalyst exhibits a capability on hydrogenation reaction based on synergistic effects between metal copper and different promoter metals. Compared with the Raney copper catalyst without metal promoters, when used for preparing 1,3-propanediol through hydrogenation of 3-hydroxypropionaldehyde aqueous solution, the Raney copper catalyst is higher in activity and better in stability.Type: ApplicationFiled: November 11, 2020Publication date: November 10, 2022Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Bin LI, Bo YAN, Hongfeng YIN, Jie ZHANG, Shenghu ZHOU