Patents Assigned to Nano and Advanced Materials Institute Limited
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Patent number: 11505687Abstract: The present invention provides a master batch composition for environmentally degrading conventional plastics including a carrier resin, at least one oxidative degradant, at least one nature biodegradable degradant and at least one foaming agent. The present invention also provides a plastic product which is environmentally degradable at a very low cost versus conventional bio-sourced plastics, and has broad applications for single-use disposable applications or for short-lived products that are discarded within two years of manufacture.Type: GrantFiled: August 5, 2020Date of Patent: November 22, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Xianqiao Liu, Yueying Chen, Yushen Wang
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Patent number: 11472926Abstract: The present invention provides new impact protection materials and the method of making the same. More specifically, the impact protection materials are polymer-based shear-thickening composite comprising a non-shear-thickening polymer matrix material and one or more shear-thickening materials. Preferably, the non-shear-thickening polymer matrix material is in an amount from approximately 5 weight percent to approximately 90 weight percent with the balance being one or more shear-thickening materials. The first type of the one or more shear-thickening materials is sol-gel based shear-thickening material in which small inorganic particles are connected in a gel network; the second type is polymer-based shear-thickening material in which polymer chains form network. Compared to the existing shear-thickening materials, the present shear-thickening materials have different molecular structure and formulation and possess properties of good impact protection and good stability.Type: GrantFiled: October 10, 2018Date of Patent: October 18, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Jianjun Song, Kwok Keung Paul Ho, Han Wang, Kang Zhang, Liang Zhang, Cheng Chen, Sze Kui Lam
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Patent number: 11466030Abstract: A visible light activated ink that produces a color change when exposed to visible light is provided. The ink includes a visible light activated photochromic compound, one or more binders, additives including one or more surfactants, and a solvent. The visible light activated ink is substantially colorless in the as-deposited state and requires a visible light intensity of approximately 300 W/m2 or greater at a wavelength of approximately 400-700 nm to produce a color change.Type: GrantFiled: June 22, 2020Date of Patent: October 11, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Pui Keong Chow, Faan Fung Hung, Chenmin Liu, Chi Ho Kwok
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Patent number: 11434382Abstract: The present disclosure provides an encapsulated particle for anti-UV radiation. The encapsulated particle includes a core comprising an anti-UV agent, and a shell at least partially enclosing the core and comprising a polymer. Due to the presence of the shell, the anti-UV agent can be released into surroundings at a controlled manner. The encapsulated particle can be incorporated into coatings or articles to extend their service life.Type: GrantFiled: October 23, 2019Date of Patent: September 6, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Su Ping Bao, Lei Li, Man Lung Sham
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Patent number: 11435620Abstract: A quantum dot-based color display includes a backlight unit with a light source and light source distribution layer and a photo down-conversion light emissive layer. The photo down-conversion layer has populations of light-emitting Group II-VI core-shell structure quantum dots, the core having an excess amount of a Group II component in a ratio to a Group VI component of approximately 6:1 or greater. The quantum dots include an organic fraction of approximately 20 weight percent to approximately 45 weight percent, the organic fraction including ligands bound to quantum dot surfaces in an as-deposited state and including one or more long-chain fatty acids. Non-barrier polymer films are positioned on either side of the photo down conversion light emissive layer which exhibits photo stability at a light intensity of at least 4000 W/m2. A display panel cooperates with the back light unit to form the display.Type: GrantFiled: December 30, 2020Date of Patent: September 6, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Sze Chun Yiu, Wing Yin Yung, Chi Hin Wong, Chi Ho Kwok, Chenmin Liu
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Patent number: 11384196Abstract: The present disclosure provides a fire retardant composition that includes a non-intumescent composition and an intumescent composition, fire retardant coatings including the same, and methods of preparation and use thereof.Type: GrantFiled: April 11, 2019Date of Patent: July 12, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Yeuk Tin Lau, Wei Li, Shing Hang Ng, Kin Hang Ken Ng, Xin Shi
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Patent number: 11384012Abstract: A durable, hydrophobic and anti-scratching nano-coating for coating on a glass substrate or surface having a water contact angle of about 90° or more, a reduced coefficient of friction by 50% or more, and a reduced surface roughness compared to those of the glass substrate or surface without the nano-coating is provided, which includes a layer of fluorinated silica derived from sol-gel hydrolysis between one or more tetraalkoxysilanes having at least three alkoxy groups and one or more polyfluorinated silanes having at least a trialkoxysilane and from 15 to 17 fluorine atoms in the presence of a catalyst to a reaction mixture of the sol-gel hydrolysis between the one or more tetraalkoxysilanes and the one or more polyfluorinated silanes, and a solvent. A related method of fabricating the nano-coating via atomization of acid-containing or alkali-containing solution and sol-gel precursor solution onto the glass surface is also provided.Type: GrantFiled: September 29, 2020Date of Patent: July 12, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Su Ping Bao, Wenjun Luo, Lei Gao, Man Lung Sham
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Patent number: 11365347Abstract: A method for preparation of perovskite quantum dot (PQD)/polymer/ceramic ternary complex includes encapsulation of bifunctional coating including ceramic and polymer. Encapsulation sequence of polymer and ceramic may be altered according to the application. In one scenario, the perovskite quantum dots may be protected with ceramic coating first and further coated with polymer to obtain the perovskite/ceramic/polymer ternary complex. In another scenario, the perovskite quantum dots may be protected with polymer coating first and followed by ceramic coating to obtain the perovskite/polymer/ceramic ternary complex. The PQD ternary complex may provide synergistic effect on improvement of stability towards heat and moisture when compared to existing technology.Type: GrantFiled: May 28, 2020Date of Patent: June 21, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Chi Hin Wong, Wing Yin Yung, Sze Chun Yiu, Chi Ho Kwok, Chenmin Liu
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Patent number: 11352781Abstract: A self-locking connection system for modular construction (e.g., MiC and PPVC) is provided for interlocking an upper module column to a lower module column. A horizontal load transfer plate has first and second inner sleeve portions positioned beneath and above the plate. The sleeves are configured and dimensioned to be received within the respective module columns. Spring-loaded latches in both sleeve portions engage respective column receiving apertures. Each latch may include a latch plate having a wedge-shaped latch protrusion connecting to a vertical latch surface. The latch plate has one or more latch plate apertures for receiving a rod within a coil spring. An optional second reversible self-locking mechanism interlocks the connected modules to a building load-bearing support such as a core wall. The second self-locking mechanism includes an angled protrusion extending from the horizontal load transfer plate to mate with a protrusion-receiving structure embedded in the load-bearing support.Type: GrantFiled: December 20, 2020Date of Patent: June 7, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Yanmin Wu, Juan Zhang, Yik Fung Lau, Honggang Zhu
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Patent number: 11331405Abstract: An electronically-activated, self-molding and re-shapeable load-bearing support structure system is provided that includes a first composite structure. The first composite structure includes a first layer of a first thermally-responsive polymer; one or more first heating elements positioned adjacent to the first layer on a first heating element side; a second layer of the first thermally-responsive polymer positioned adjacent to the first heating elements on a second heating element side; a temperature sensor communicating with at least the first layer or the second layer of the first thermally-responsive polymer; one or more electrical connectors electrically communicating with the heating elements; and an electrical controller detachably connectable to at least one of the electrical connectors of the composite for providing an electrical current to the heating elements. A method of molding the load-bearing support structure system is also provided.Type: GrantFiled: September 24, 2019Date of Patent: May 17, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Yong Zhu, Cheuk Yin Lee, Chenmin Liu, Shengbo Lu
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Patent number: 11283294Abstract: The present invention provides a charging device for a button/coin cell rechargeable lithium ion battery. A receiving inductor coil receives energy from a transmitting inductor coil which is passed to a wireless charging receiving circuit which is in electrical communication with the receiving inductor coil. The wireless charging receiving circuit communicates with a charging control circuit, a voltage regulation circuit, and a battery protection circuit in electrical communication with one another. The voltage regulation circuit includes a 1.8 V to 3.3 V constant voltage output regulator circuit to maintain a constant voltage output in loading currents ranging from approximately 10 ?A to approximately 300 mA.Type: GrantFiled: January 3, 2020Date of Patent: March 22, 2022Assignee: Nano and Advanced Materials Institute LimitedInventors: Cheuk Yin Lee, Shengbo Lu, Chenmin Liu
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Patent number: 11196036Abstract: A fast charge lithium ion battery capable of being charged or discharged with 80% capacity retention at C rate of at least 2C is provided in the present invention, which includes a fast charge graphite-based anode; a cathode; and a separator, wherein the anode includes an anode current collector and a fast charge graphite layer deposited on at least one surface of the anode current collector, the fast charge graphite having a lattice constant equals to or larger than 0.3374 nm, a D-band to G-band integrated area ratio (ID/IG) of 0.03 to 0.3, and a surface morphology of a plate-like crystal structure under a scanned electron microscope; the cathode includes a cathode current collector and one or more active materials deposited on at least one surface of the cathode current collector.Type: GrantFiled: October 11, 2019Date of Patent: December 7, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Juncao Bian, Shengbo Lu, Chenmin Liu, Wai Yin Wong, Hong Zhao
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Patent number: 11160276Abstract: Provided herein is a method for preparing antimicrobial thermoplastic resins and products thereof.Type: GrantFiled: December 11, 2019Date of Patent: November 2, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Wenjun Meng, Yueying Chen, Yui Ting Richard Lau, Sau Kuen Connie Kwok, Sheung Yin Li
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Patent number: 11121290Abstract: A barrier free quantum dot particles film includes a free standing layer comprising shielded quantum dot particles; wherein the shielded quantum dot particles are formed by shielding quantum dot particles by at least one shielding method; wherein the shielded quantum dot particles are characterized in resisting at least one condition selected from the group consisting of high temperature, high humidity and water; and wherein the shielded quantum dot particles are dispersed in an acrylate adhesive. A method of fabricating a barrier free quantum dot particles free standing film is also disclosed. The method of fabrication of shielded quantum dot particles film on a light emitting diode (LED) lens is also disclosed.Type: GrantFiled: November 2, 2018Date of Patent: September 14, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Chi Ho Kwok, Chi Hin Wong, Wing Yin Yung, Chenmin Liu
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Patent number: 11096892Abstract: A film forming composition comprises a film forming component and a solvent, wherein the film forming component comprises 0-50 wt % of a first water soluble polymer, 0.3-40 wt % of a second water soluble polymer, 0-15 wt % of plasticizer and 50-70 wt % of active ingredient. The first and second water soluble polymers have a Tg of ?52° C. to 216° C., and difference of Tg values of the first and second water soluble polymer is 62-268° C. The film formed by the film forming composition capable to load high content of active ingredient and lead to fast absorption of active ingredient is provided.Type: GrantFiled: March 13, 2018Date of Patent: August 24, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Jinjie Xu, Sau Kuen Connie Kwok, Wah Kit Cheuk, Ying Li, Pak Ho Lau
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Patent number: 11085148Abstract: Provided herein is a method for decolorizing textile materials under hydrothermal conditions using dye adsorbent materials. The process is non-toxic and environmentally friendly, and the adsorbent materials can be repeatedly used. The textile materials are textile materials dyeable with disperse dyes. Further provided is a system for decolorizing textile materials. The decolorization system is designed to allow the adsorbent materials to react with the textile materials in a contact manner and a non-contact manner.Type: GrantFiled: July 23, 2019Date of Patent: August 10, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Edwin Yee Man Keh, Lei Yao, Alex Chan, Mimi Hetti, Yang Liu, Hung Chan, Wendy Yu
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Patent number: 11078117Abstract: A low strength backfill material having a 28 days compressive strength less than approximately 2.0 MPa is provided. The backfill is suitable for use in areas with dense underground utilities due to its high excavatability and good thermal conductivity. The backfill includes a cementitious binder of approximately 1 weight percent to approximately 10 weight percent and fine aggregates in an amount of approximately 40 to approximately 75 weight percent. Filler is provided at 20 microns to approximately 100 microns for high flowability. A density-controlling agent of 0.0001-5 weight percent is used such that the density of a cured backfill material is approximately 1600 kg/m3 to 2000 kg/m3. Thermally conductive particles having a size range of approximately 0.01 microns to 500 microns in an amount of approximately 0.1 to 10 weight percent are evenly dispersed throughout the backfill.Type: GrantFiled: February 25, 2020Date of Patent: August 3, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Tomi Pekka Bernhard Nissinen, Xianrui Chen, Jiawen Qiu
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Patent number: 11068060Abstract: The present invention provides a low-pressure capacitive tactile sensor for measuring tactile pressures in a range of approximately 0.5 kPa to approximately 20 kPa, the sensor including a first flexible electrode layer; a second flexible electrode layer; a micro-patterned, discontinuous, flexible, UV-curable in approximately 60 seconds or less, elastic polymer nano-imprinted dielectric layer; and a ground shielding layer disposed above the first flexible electrode layer and below the second flexible electrode layer of the capacitive tactile sensor respectively to minimize electromagnetic and capacitive interference. The pressure sensing range of the capacitive tactile sensor is approximately 0.5-20 kPa, the sensitivity is approximately greater than 0.12 pF/kPa. A method for fabricating the capacitive tactile sensor is also provided.Type: GrantFiled: December 15, 2019Date of Patent: July 20, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Ka Ming Wong, Wendan Liu, Li Fu, Yong Zhu
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Patent number: 11066574Abstract: The present disclosure provides a self-healing coating composition precursor that includes a soft segment precursor, a hard segment precursor, and a diol. The present disclosure also provides self-healing coatings including the same for scratches and deep cracks and/or anti-fouling property, and methods of preparation and use thereof.Type: GrantFiled: May 28, 2019Date of Patent: July 20, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Siyue Li, Yin Ming Ng, Ching Man Chan
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Patent number: 11024788Abstract: The present disclosure provides a thermoelectric generator and methods for fabricating the same. The semiconductor legs and electrodes of the thermoelectric generator are embedded in one or more flexible polymer matrices providing protection to the semiconductor legs and electrodes to maintain good electric contacts among them during bending. Thus, the output power of the thermoelectric generator can be substantially retained even after a large number of bending cycles.Type: GrantFiled: October 17, 2019Date of Patent: June 1, 2021Assignee: Nano and Advanced Materials Institute LimitedInventors: Xinying Sun, Han Wang, Jianzhuo Xin, Jifan Li