Patents Assigned to Tiangong University
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Patent number: 12290787Abstract: Disclosed are a light-driven filtration antibacterial composite membrane and a preparation method and use thereof. The method for preparing the light-driven filtration antibacterial composite membrane includes: mixing dichloromethane and N,N-dimethylformamide to obtain a first solution; adding PCL particles to the first solution, and stirring until being uniform to obtain an electrospinning solution; adding a ZIF-8 powder to the electrospinning solution, and ultrasonically dispersing for at least 1 hour to obtain a PCL/ZIF-8 spinning solution; spraying the PCL/ZIF-8 spinning solution onto a PPCL@PDA/TAEG men-blown membrane to obtain the light-driven filtration antibacterial composite membrane.Type: GrantFiled: April 18, 2022Date of Patent: May 6, 2025Assignees: Tiangong University, Minjiang University, Tianjin Yuzhan International Trade Co., Ltd.Inventors: Ting-Ting Li, Lu Yang, Heng Zhang, Bo Gao, Jia-Horng Lin, Ching-Wen Lou
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Publication number: 20240426412Abstract: Disclosed is a vibration-reducing and noise-absorbing pipeline assembly with metamaterial characteristics. The assembly comprises a connecting component, a dispersion pipeline, and a flow pipeline, wherein the inner diameter of the dispersion pipeline gradually changes from small to large, and the dispersion pipeline comprises a small port and a large port. The dispersion pipeline further comprises a hose, which communicates with the interior of the flow pipeline. Fluid flows in the pipeline assembly from the connecting component to the dispersion pipeline, via a deflection portion and a guide portion, wherein with reference to a flow direction of the fluid, the deflection portion is located upstream of the guide portion, and the deflection portion is configured for changing the flow direction of the fluid, thus minimizing vibration of the pipeline assembly and damping resonance frequencies.Type: ApplicationFiled: August 22, 2024Publication date: December 26, 2024Applicant: Tiangong UniversityInventors: Qiliang Wu, Li Zhi, Minghui Yao, Yan Niu, Cong Wang
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Publication number: 20240399317Abstract: A method for preparing a self-supporting composite nanofiltration membrane is provided. A porous graphene-based two-dimensional sheet material is prepared by taking amino graphene quantum dots as the main body and subjecting them to an interfacial polymerization reaction with polyacyl chloride, and then the porous graphene-based two-dimensional sheet material is encapsulated in-situ with polyamide by an in-situ encapsulating technology to prepare a self-supporting porous graphene/polyamide separation layer with excellent permeability and high selectivity.Type: ApplicationFiled: May 30, 2023Publication date: December 5, 2024Applicant: Tiangong UniversityInventors: Hailiang LIU, Yumin SUN, Hao CUI, Yonghui WANG, Yang QIN
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Patent number: 12116703Abstract: A method of preparing PAN-based carbon fibers relates to the technical field of materials. The method includes: S1. acrylonitrile, a second monomer and an unsaturated UV-sensitive cross-linking agent are mixed, an initiator is then added and a reaction is performed to obtain a meltable PAN-based copolymer; S2. the meltable PAN-based copolymer and a flow modifier are mixed to obtain a mixture, the mixture is extruded and pelletized, and then melt spinning is performed to obtain nascent fibers, the nascent fibers are stretched and annealed to obtain a PAN-based carbon fiber precursor; S3. ultraviolet irradiation is performed on the PAN-based carbon fiber precursor; S4. the PAN-based carbon fiber precursor after ultraviolet irradiation is pre-oxidized and carbonized to obtain PAN-based carbon fibers.Type: GrantFiled: March 5, 2021Date of Patent: October 15, 2024Assignees: Tiangong University, HI- TECH FIBER GROUP CORPORATIONInventors: Na Han, Chao Wu, Xingxiang Zhang, Lejun Wang, Jianyong Chen, Zhiheng Sun, Xujian Yang, Jun Cai
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Patent number: 11896355Abstract: A blood pressure tracking and detection system. The pressure application and release module is configured to apply a pressure to a detected part of a target user according to a pressure application instruction. The pressure application and release module is further configured to release the pressure on the detected part of the target user according to a pressure release instruction. The signal obtaining module is connected to the pressure application and release module. The signal obtaining module is configured to obtain a photoplethysmography (PPG) signal and a pressure signal of the detected part of the target user. The blood pressure tracking and detection module is connected to the signal obtaining module. The blood pressure tracking and detection module is configured to determine an initial blood pressure of the detected part of the target user according to a PPG signal and a pressure signal in a pressure application and release cycle.Type: GrantFiled: October 5, 2022Date of Patent: February 13, 2024Assignee: Tiangong UniversityInventors: Ruijuan Chen, Shumian Xiao, Cong Wang, Huiquan Wang
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Patent number: 11878921Abstract: The invention relates to the field of industrial wastewater treatment, and particularly discloses a nanofiltration membrane for treating printing and dyeing wastewater and its preparation method. The preparation method comprises the following steps: S1, pouring an aqueous solution containing m-phenylenediamine, camphorsulfonic acid and triethylamine onto the surface of a polysulfone ultrafiltration membrane, setting still for 10 s to 30 s, and then removing the excess aqueous solution from the surface; S2, pouring an organic solution containing trimesoyl chloride and an interface auxiliary polymerization agent onto the surface of the membrane obtained in step S1, reacting for 5 s to 20 s, and then removing the excess solution from the surface; and S3, setting the membrane obtained in step S2 still and then carrying out heat treatment and water rinsing on the membrane in sequence, thus obtaining the nanofiltration membrane.Type: GrantFiled: August 16, 2022Date of Patent: January 23, 2024Assignees: Tiangong University, Zhejiang Jinmo Environmental Technology Co., LtdInventors: Na Chang, Haitao Wang, Yinong Xu, Donggen Chen, Rui Liu, Wei Shao, Zedong Li, Yanjun Jia, Miaomiao Yin
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Patent number: 11802068Abstract: The present application relates to a preparation method for recycling inorganic salt in printing and dyeing wastewater and comprises the following process steps: S1, performing impurity removal, softening, COD removal and decoloration on reverse osmosis (RO) membrane concentrated water to obtain pretreated wastewater; S2, performing two-stage electrodialysis on the wastewater obtained in step S1: returning fresh water obtained in a first-stage electrodialysis desalination chamber to a front end of the RO process, and taking saline water obtained in a concentration chamber as raw water of a second-stage electrodialysis desalination chamber and a second-stage electrodialysis concentration chamber; and returning the fresh water obtained by the second-stage electrodialysis desalination chamber to the first-stage electrodialysis concentration chamber; and S3, dealkalizing the concentrated saline water obtained in the step S2 and then adjusting the pH value to obtain concentrated saline water capable of being reuseType: GrantFiled: February 6, 2022Date of Patent: October 31, 2023Assignees: Tiangong University, Zhejiang Jinmo Environmental Technology Co., LtdInventors: Haitao Wang, Na Chang, Yan Wang, Yinong Xu, Qiliang Wang, Rui Liu, Tieying Jin, Ruhan A, Hao Zhang, Wei Shao, Yanjun Jia
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Patent number: 11623183Abstract: The present disclosure provides the synthesis of an imidazolium-based functional ionic liquid copolymer (PMMA-b-PIL-R*) and a preparation method of an alloy ultra-filtration membrane. Firstly, PMMA-b-PIL-R* is prepared from methyl methacrylate (MMA) and polymerizable imidazolium-based functional ionic liquid (IL-R*) containing double bonding as the reactive monomers through sequential radical polymerization. With the use of a non-solvent induced phase separation method, PMMA-b-PIL-R* is introduced into the body of a polymeric membrane material, so as to prepare an alloy ultra-filtration membrane. A hydrogen-bond interaction is generated between the carbonyl in the molecular chain of PMMA-b-PIL-R* and the H . . .Type: GrantFiled: April 30, 2021Date of Patent: April 11, 2023Assignee: Tiangong UniversityInventors: Chunrui Wu, Chao Tang, Renwei Zhang, Jingguo She, Xiaolong Lv
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Publication number: 20230100994Abstract: The invention relates to the field of industrial wastewater treatment, and particularly discloses a nanofiltration membrane for treating printing and dyeing wastewater and its preparation method. The preparation method comprises the following steps: S1, pouring an aqueous solution containing m-phenylenediamine, camphorsulfonic acid and triethylamine onto the surface of a polysulfone ultrafiltration membrane, setting still for 10 s to 30 s, and then removing the excess aqueous solution from the surface; S2, pouring an organic solution containing trimesoyl chloride and an interface auxiliary polymerization agent onto the surface of the membrane obtained in step S1, reacting for 5 s to 20 s, and then removing the excess solution from the surface; and S3, setting the membrane obtained in step S2 still and then carrying out heat treatment and water rinsing on the membrane in sequence, thus obtaining the nanofiltration membrane.Type: ApplicationFiled: August 16, 2022Publication date: March 30, 2023Applicants: Tiangong University, Zhejiang Jinmo Environmental Technology Co., LtdInventors: Na Chang, Haitao Wang, Yinong Xu, Donggen Chen, Rui Liu, Wei Shao, Zedong Li, Yanjun Jia, Miaomiao Yin
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Publication number: 20220379258Abstract: Disclosed in the present invention are a low energy consumption anhydrous CO2 phase change absorption agent, and a regeneration method and an application thereof, the absorption agent using a unitary diamine with a primary amine (NH2—) and a tertiary amine (—N—), and not containing any other organic solvent, water, and ionic liquid; two alkyl branches are linked to a nitrogen atom of the tertiary amine, forming a certain hydrophobicity; after absorbing the CO2, the diamine changes from a liquid phase to a solid phase, undergoing liquid-solid phase change to form white amino formate crystals.Type: ApplicationFiled: July 28, 2022Publication date: December 1, 2022Applicant: Tiangong UniversityInventors: Qingsong ZHANG, Xiaopeng LI, Yunfei LI, Juan ZHANG, Yirong CAI, Anan LI, Xuedong JIN, Pengfei LIU, Li CHEN
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Publication number: 20220331746Abstract: Disclosed are a light-driven filtration antibacterial composite membrane and a preparation method and use thereof. The method for preparing the light-driven filtration antibacterial composite membrane includes: mixing dichloromethane and N,N-dimethylformamide to obtain a first solution; adding PCL particles to the first solution, and stirring until being uniform to obtain an electrospinning solution; adding a ZIF-8 powder to the electrospinning solution, and ultrasonically dispersing for at least 1 hour to obtain a PCL/ZIF-8 spinning solution; spraying the PCL/ZIF-8 spinning solution onto a PPCL@PDA/TAEG men-blown membrane to obtain the light-driven filtration antibacterial composite membrane.Type: ApplicationFiled: April 18, 2022Publication date: October 20, 2022Applicants: Tiangong University, Minjiang University, Tianjin Yuzhan International Trade Co., Ltd.Inventors: Ting-Ting LI, Lu Yang, Heng Zhang, Bo Gao, Jia-Horng Lin, Ching-Wen Lou
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Publication number: 20220250958Abstract: The present application relates to a preparation method for recycling inorganic salt in printing and dyeing wastewater and comprises the following process steps: S1, performing impurity removal, softening, COD removal and decoloration on reverse osmosis (RO) membrane concentrated water to obtain pretreated wastewater; S2, performing two-stage electrodialysis on the wastewater obtained in step S1: returning fresh water obtained in a first-stage electrodialysis desalination chamber to a front end of the RO process, and taking saline water obtained in a concentration chamber as raw water of a second-stage electrodialysis desalination chamber and a second-stage electrodialysis concentration chamber; and returning the fresh water obtained by the second-stage electrodialysis desalination chamber to the first-stage electrodialysis concentration chamber; and S3, dealkalizing the concentrated saline water obtained in the step S2 and then adjusting the pH value to obtain concentrated saline water capable of being reuseType: ApplicationFiled: February 6, 2022Publication date: August 11, 2022Applicants: Tiangong University, Zhejiang Jinmo Environmental Technology Co., LtdInventors: Haitao Wang, Na Chang, Yan Wang, Yinong Xu, Qiliang Wang, Rui Liu, Tieying Jin, Ruhan A, Hao Zhang, Wei Shao, Yanjun Jia
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Publication number: 20210346847Abstract: The present disclosure provides the synthesis of an imidazolium-based functional ionic liquid copolymer (PMMA-b-PIL-R*) and a preparation method of an alloy ultra-filtration membrane. Firstly, PMMA-b-PIL-R* is prepared from methyl methacrylate (MMA) and polymerizable imidazolium-based functional ionic liquid (IL-R*) containing double bonding as the reactive monomers through sequential radical polymerization. With the use of a non-solvent induced phase separation method, PMMA-b-PIL-R* is introduced into the body of a polymeric membrane material, so as to prepare an alloy ultra-filtration membrane. A hydrogen-bond interaction is generated between the carbonyl in the molecular chain of PMMA-b-PIL-R* and the H . . .Type: ApplicationFiled: April 30, 2021Publication date: November 11, 2021Applicant: Tiangong UniversityInventors: Chunrui Wu, Chao Tang, Renwei Zhang, Jingguo She, Xiaolong Lv
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Publication number: 20200368675Abstract: Disclosed in the present disclosure are a low energy consumption anhydrous CO2 phase change absorption agent, and a regeneration method and an application thereof, the absorption agent using a unitary diamine with a primary amine (NH2—) and a tertiary amine (—N—), and not containing any other organic solvent, water, and ionic liquid; two alkyl branches are linked to a nitrogen atom of the tertiary amine, forming a certain hydrophobicity; after absorbing the CO2, the diamine changes from a liquid phase to a solid phase, undergoing liquid-solid phase change to form white amino formate crystals.Type: ApplicationFiled: September 24, 2019Publication date: November 26, 2020Applicant: Tiangong UniversityInventors: Qingsong ZHANG, Xiaopeng LI, Yunfei LI, Juan ZHANG, Yirong CAI, Anan LI, Xuedong JIN, Pengfei LIU, Li CHEN