Abstract: Nanocellulose dispersion compositions containing a partitioning agent and a nanocellulose, and methods of making the nanocellulose dispersion compositions, are disclosed. These compositions can promote improved dispersibility of the nanocellulose fibrils and nanocellulose crystals in polymer matrices, such as in elastomer formulations for use in tire production.
Abstract: The present invention relates to a process for producing a nanocellulosic material based on the use of fractioning of cellulosic pulp stream from pre-treatment or mechanical defibrillation (partially refined/defibrillated pulp) in combination with stages of mechanical defibrillation, in which both the accept fraction and the reject fraction can be conveyed to stages of consistency adjustments so as to precede another distinct defibrillation stage. For example, if the accept is conveyed to a consistency adjustment preceding a second defibrillation stage while the reject is conveyed to the other independent stage of consistency adjustment to return to the first stage of mechanical defibrillation.
Abstract: A molded product according to the present invention is a molded product having a structure in which colored particles are dispersed in thermoplastic resin, wherein the colored particles have an average particle size of about 250-3,200 ?m as measured by a particle size analyzer, and are included in an amount of about 0.05-5 parts by weight with respect to about 100 parts by weight of the thermoplastic resin, a three-dimensional pattern is formed on at least one surface of the molded product, and the three-dimensional pattern has a 10-point average roughness (Rz) of about 50-500 ?m and a number of different brightness values of about 30-60. The molded product has excellent impact resistance, excellent heat resistance, and the like, and has an appearance similar to actual fabric.
Abstract: Provided is a technique capable of further improving the cycle characteristics in a negative electrode for a non-aqueous electrolyte secondary battery in which a silicon-based negative electrode active material and a carbon-based negative electrode active material are used in combination as a negative electrode active material, and constituent components of the electrode are not bound to each other via a binder. The negative electrode for a non-aqueous electrolyte secondary battery according to the present invention has a configuration in which a negative electrode active material layer containing a negative electrode active material is formed on a surface of a current collector. The negative electrode active material contains composite secondary particles in which silicon-based negative electrode active material particles and carbon-based negative electrode active material particles are bound to each other via a binder.
Abstract: A fibrous cellulose having a high resin reinforcing effect and a method for manufacturing the same, and a fibrous cellulose composite resin having high strength and a method for manufacturing the same. A fibrous cellulose has an average fiber width of 0.1 ?m or more, an average fiber length of 0.02 to 3.0 mm, and a fibrillation ratio of 1.0% or more. A kneaded product of this fibrous cellulose and a resin is formed into a fibrous cellulose composite resin. In manufacturing the fibrous cellulose, a raw material fiber is defibrated so as to have an average fiber width of 0.1 ?m or more, an average fiber length of 0.02 to 3.0 mm, and a fibrillation ratio of 1.0% or more. The fibrous cellulose obtained by this method and a resin are kneaded to manufacture a fibrous cellulose composite resin.
Abstract: Examples described herein relate to a molded article provided with a resin part formed with a polyolefin resin composite material, the polyolefin resin composite material containing a polyolefin resin and 10 to 150 parts by mass of cellulose based on 100 parts by mass of the polyolefin resin, wherein an area of an aggregate of the cellulose is less than 20,000 ?m2.
Type:
Grant
Filed:
April 28, 2020
Date of Patent:
February 6, 2024
Assignee:
Furukawa Electric Co., Ltd.
Inventors:
Jaekyung Kim, Kenichi Suyama, Yasuo Nakajima, Eiji Kozawa
Abstract: The present invention relates to a super absorbent polymer. The super absorbent polymer contains polymer particles formed of large pores in a certain amount or more, and thus can exhibit large surface area and excellent initial absorption capacity. Therefore, when the super absorbent polymer is used, it can provide a sanitary material such as a diaper or a sanitary napkin which can quickly absorb body fluids and impart a dry and soft touch feeling.
Type:
Grant
Filed:
August 14, 2018
Date of Patent:
August 22, 2023
Inventors:
Ki Hyun Kim, Kyu Pal Kim, Gi Cheul Kim, Seul Ah Lee, Sang Gi Lee
Abstract: A total heat exchange element includes a plurality of partition members made of a material that contains cellulose as a main component, a spacing member made of a material that contains cellulose as a main component, and an adhesive portion bonding the partition members and the spacing member together. The partition members are configured as flat sheets, and are stacked with a predetermined distance between them. The spacing member is disposed between adjacent ones of the stacked partition members to maintain the distance between them. The total heat exchange element has a first air flow path and a second air flow path alternately formed with one of the partition members interposed between the first and second air flow paths. The adhesive portion contains, as an adhesive component, cellulose having a smaller diameter than both of the cellulose forming the partition members and the cellulose forming the spacing member.
Abstract: A fibrous cellulose having an excellent resin reinforcing effect, a method for manufacturing the fibrous cellulose, and a resin composition having high strength. The fibrous cellulose is microfiber cellulose having an average fiber diameter of 1 ?m or more, and is hydrophobically modified. The method for manufacturing fibrous cellulose includes defibrating raw material fiber to obtain microfiber cellulose with an average fiber diameter of 1 ?m or more, and hydrophobically modifying the microfiber cellulose. Further, the resin composition contains the fibrous cellulose and resin.
Abstract: The present invention relates to a method for preparing a superabsorbent polymer, and a superabsorbent polymer prepared thereby. A superabsorbent polymer prepared by the preparation method exhibits minimized deterioration of physical properties after being pulverized, and thus basic absorbance performance is excellent and an excellent liquid permeability and absorbance rate can be exhibited.
Type:
Grant
Filed:
May 11, 2020
Date of Patent:
April 4, 2023
Inventors:
Hye Mi Nam, Min Ho Hwang, Sang Gi Lee, Tae Hwan Jang, Soo Jin Lee
Abstract: It is an object of the present invention to provide a resin composite comprising ultrafine cellulose fibers, in which deterioration of a resin component is suppressed. The present invention relates to a cellulose fiber-containing resin composition comprising cellulose fibers with a fiber width of 1000 nm or less having phosphoric acid groups or phosphoric acid group-derived substituents, and a resin, wherein the counterions of the phosphoric acid groups or phosphoric acid group-derived substituents are organic onium ions, and the conjugate bases of the organic onium ions have a pKb value of 1.0 or more.
Abstract: A resin granule mass including a plurality of resin granules, and a proportion of resin granules to which a magnetic foreign matter of 50 ?m or greater is adhered in the plurality of resin granules is 30% or less.
Abstract: A system and method of forming a plastic blend that includes nanoparticles of filler material evenly dispersed, without agglomeration of particles, throughout a hydrophobic polymer. A slurry is created that contains water and nanoparticles of a filler material. The filler materials are selected from a group consisting of crystalline cellulose, cellulose fiber, chitosan and chitin. A dispersion aid is provided that has a melting point in a temperature range. The slurry is heated and mixed to a temperature that is above the melt point range of the dispersion aid. The dispersion aid is added. The slurry is cooled to a temperature that is below the melting point of the dispersion aid. This causes the dispersion aid to solidify and entrap the nanoparticles within solid compound. The solid compound is dried and then reduced into a powder. The powder is the fill composition that is melt compounded for use.
Abstract: A method of producing a thermoplastic resin composition containing a thermoplastic synthetic resin and a cellulose, in which at least one type of the thermoplastic synthetic resin is a resin having a group containing a partial structure of an acid anhydride in the polymer molecule; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.
Type:
Grant
Filed:
September 27, 2018
Date of Patent:
October 11, 2022
Assignee:
FURUKAWA ELECTRIC CO., LTD.
Inventors:
Eiji Kozawa, Takeshi Yagi, Yasuo Nakajima, Jae Kyung Kim
Abstract: A composition that includes a dispersion stabilizer for an electrode coating liquid for a power storage device is provided. The composition has superior ability to stably disperse an electrode active material and a conductive material, and makes it possible to manufacture a uniform electrode, even when a dispersion device that has weak shear force is used. A dispersant for an electrode coating liquid for a power storage device, the dispersant being characterized by containing cellulose fibers that satisfy (a)-(c). (a) The number average width of the short widths is 2-200 nm. (b) The aspect ratio is 7.5-250. (c) Cellulose I crystals are included and the crystallinity thereof is 70%-95%.
Abstract: The invention relates to a novel binder system and its use for bonding textile fabrics as well as products containing such bonded textile fabrics. The materials according to the invention are suitable for manufacturing base interlinings which may be used for manufacturing base interlinings for sarking, roofing and sealing membranes, particularly for manufacturing coated sarking, roofing and sealing membranes.
Abstract: A viscoelastic, solid surfactant composition, containing, (i) a total amount of 0.1 to 70 wt % of at least one surfactant, (ii) a total amount of more than 1 wt % of at least one benzylidene alditol compound of formula (I), and (iii) water, is a readily soluble, aesthetically pleasing and storage-stable form of a solid composition for providing surfactant-containing liquors.
Type:
Grant
Filed:
December 13, 2019
Date of Patent:
July 26, 2022
Assignee:
Henkel AG & Co. KGaA
Inventors:
Peter Schmiedel, Filiz Yapici, Anna Klemmer, Matthias Sunder, Oliver Kurth
Abstract: The present disclosure relates to a method of manufacturing a semiconductor material including a cellulose nanocrystal. Particularly, according to the present disclosure, by attaching an electron withdrawing group to the surface of the cellulose nanocrystal, which is a nonconductor, holes are formed in the doped cellulose nanocrystal, and the cellulose nanocrystal may be used as a semiconductor material.
Type:
Grant
Filed:
October 7, 2020
Date of Patent:
July 19, 2022
Assignee:
Electronics and Telecommunications Research Institute
Abstract: The present invention aims to provide a rubber composition having sufficient reinforcement and fatigue resistance even when a large strain is applied thereto, and the present invention is to provide a substituted carboxy group-containing modified cellulose nanofiber wherein at least part thereof has at least any one of a substituent represented by Formula (a): —CONH—R1 and a substituent represented by Formula (b): —COO—R1 (in Formulae (a) and (b), R1 is independently a C3-30 hydrocarbon having at least one unsaturated bond), and a rubber composition including the same.
Abstract: The invention relates to a novel binder system and its use for bonding textile fabrics as well as products containing such bonded textile fabrics. The materials according to the invention are suitable for manufacturing base interlinings which may be used for manufacturing base interlinings for sarking, roofing and sealing membranes, particularly for manufacturing coated sarking, roofing and sealing membranes.
Abstract: The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are synthesized using trifluoroacetic anhydride and cellulose with various acyl donors or acyl donor precursors.
Type:
Grant
Filed:
March 28, 2018
Date of Patent:
October 5, 2021
Assignee:
Eastman Chemical Company
Inventors:
Casey Lynn Elkins, Robert Lin, Michael John Rodig, Robert Jacks Sharpe
Abstract: The present invention relates to a cellulose-containing polypropylene composite resin which is environmentally friendly, and can reduce emission of carbon dioxide and contribute to improvement in fuel efficiency, based on reduced vehicle weight, and a vehicle thin film pillar trim including the same.
Type:
Grant
Filed:
July 12, 2018
Date of Patent:
September 28, 2021
Assignees:
Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
Inventors:
Jin Ho Hwang, Dae Ig Jung, Seung Hyeok Chang, Min Ho Cho, Sung Hoon Kim, Jae Do Nam
Abstract: The present invention relates to cellular solid materials comprising cellulose nanofibers (CNF) and an anionic or non-ionic surfactant, a method for preparation of such materials, as well as their use.
Type:
Grant
Filed:
April 21, 2015
Date of Patent:
August 17, 2021
Assignee:
Cellutech AB
Inventors:
Erik Johansson, Nicholas Tchang Cervin, Korneliya Gordeyeva, Lennart Bergstrom, Lars-Erik Wagberg
Abstract: A cellulose/melamine-formaldehyde composite resin, the raw materials of the cellulose/melamine-formaldehyde composite resin comprise by weight percentage: 30-90% of melamine-formaldehyde resin, 5-60% of cellulose powder, 0.01-0.1% of curing agent, 0-20% of inorganic filler, 1-5% of surface modifier, 1-20% of dimer acid. A preparation method of the said cellulose/melamine-formaldehyde composite resin is also provided. The preparation method comprises the following steps: stirring the raw materials, then sieving and molding.
Abstract: Bioplastic compositions containing between 2 wt. % and 25 wt. % of at least one starch, between 40 wt. % and 65 wt. % of at least one plasticizer, and between 1 wt. % to 10 wt. % of at least one acid are used as insulation materials. A method of making a bioplastic composition includes the steps of heating a first aqueous mixture containing at least one plasticizer and at least one acid; adding at least one starch to the first aqueous mixture to produce a second aqueous mixture; heating and mixing the second aqueous mixture to produce a precipitate; and separating the precipitate from residual liquid of the second aqueous mixture to produce a bioplastic composition.
Abstract: To provide a technology for sintering calcium phosphate to manufacture a calcium phosphate sintered body and suppressing generation of calcium oxide when calcium phosphate is sintered, there is provided a process for manufacturing a sintered calcium phosphate molded body is characterized by including a step for heating a composition containing at least a composite of calcium phosphate fine particles and polyether and sintering the calcium phosphate fine particles.
Type:
Grant
Filed:
September 7, 2016
Date of Patent:
April 20, 2021
Assignee:
SofSera Corporation
Inventors:
Takashi Iwamoto, Yasumichi Kogai, Karl Kazushige Kawabe
Abstract: A composite composition includes a thermoset resin and about 3 wt. % to about 35 wt. % of at least one material selected from the group consisting of cellulose nanofibrils (CNF), micro-sized cellulose fibers (MFC), and cellulose nanocrystals (CNC) dispersed therein as measured with respect to the overall weight of the composite composition. The cellulose nanofibrils and/or nanocrystals have an average diameter of about 5 nm to about 500 nm and an average aspect ratio in the range of about 5:1 to about 500:1. The cellulose micro-sized fibers have an average diameter of about 5 ?m to about 100 ?m and an average aspect ratio in the range of about 5:1 to about 250:1.
Abstract: Discrete, individualized carbon nanotubes having targeted, or selective, oxidation levels and/or content on the interior and exterior of the tube walls can be used for nanotube-mediated controlled delivery of degradative molecules, such as oxidizers and enzymes, for oil-field drilling applications. A manufacturing process using minimal acid oxidation for carbon nanotubes may also be used which provides higher levels of oxidation compared to other known manufacturing processes.
Type:
Grant
Filed:
April 7, 2017
Date of Patent:
February 9, 2021
Assignee:
Molecular Rebar Design, LLC
Inventors:
Bryce Daniel Sturtevant, August Charles Krupp
Abstract: A method is disclosed for dewatering of sludge from a pulp, paper or board making process, such as deinking sludge, including obtaining of an aqueous sludge including an aqueous phase and a fibre material suspended in the aqueous phase. The sludge is subjected to a pre-thickening step, where a first part of the aqueous phase is removed from the sludge and to a pressing step, where a second part of the aqueous phase is removed from the sludge, thereby obtaining a dry pressed sludge. Before or at the pre-thickening step a polymer composition having a charge density of at the most 1.7 meq/g, preferably at most 1.5 meq/g, more preferably at most 1.1 meq/g, is added to the sludge.
Type:
Grant
Filed:
December 15, 2017
Date of Patent:
December 8, 2020
Assignee:
Kemira Oyj
Inventors:
Matti Hietaniemi, Rosa Carceller, Asko Karppi, Joonas Likander, Jyri Välimäki
Abstract: Cigar repair glues containing a quantity of insoluble fibers and methods of repairing cigars using such fiber-containing glues. Fibrous or matting cigar glues and/or adhesives may be prepared by mixing a quantity of glue or adhesive with a quantity of insoluble or substantially insoluble fiber, such as cellulose fibers. The method of using the fibrous or matting cigar glues and/or adhesives may include various steps, which may include: identifying an air leak or discontinuity in a cigar wrapper; preparing the fibrous or matting glue to encourage fiber mixing/suspension; and applying the prepared fibrous or matting glue to the desired location on the cigar.
Abstract: Cellulose nanocrystals (CNCs) from the plant Miscanthus Giganteus (MxG) and a matrix material are present in a composite composition. Impressive yields of MxG-CNCs are obtained through a combination of processing steps including base hydrolysis, bleaching and acid hydrolysis. MxG-CNCs are produced having high aspect ratios, are biorenewable and can be used for a wide range of applications such as nanofillers in composites.
Abstract: The invention provides a polymer composition comprising from 50 wt % to 99.9 wt % polymer, from 0.1 wt % to 10 wt % nanocellulose as a first nucleating agent, and from 0.01 wt % to 5 wt % of a second nucleating agent. In some embodiments, the polymer is polylactide, the first nucleating agent is lignin-containing nanocellulose, and the second nucleating agent is a sulfur-containing, oxygenated aromatic molecule. The oxygenated aromatic molecule may be an aromatic sulfonic acid or salt, such as dimethyl 5-sulfoisophthalate. In other embodiments, the sulfur-containing, oxygenated aromatic molecule is lignosulfonic acid. Other variations provide a polymer composition comprising polymer, lignin-containing nanocellulose as a dispersing agent, and additives selected from nucleating agents, compatibilizers, plasticizers, fillers, antioxidants, colorants, or flame retardants.
Abstract: The present invention relates to use of a sulphur or phosphorous-containing polymer as a processing aid in a polyvinyl chloride polymer composition.
Type:
Grant
Filed:
March 7, 2018
Date of Patent:
May 12, 2020
Assignee:
Synthomer (UK) Limited
Inventors:
Virginie Chabrol, Chris May, Peter Shaw
Abstract: The present invention relates to the preparation of a cellulose suspension, particularly of a premixture for the preparation of a cellulose suspension in organic solvents such as an aqueous N-methylmorpholine N-oxide (NMMO) solution.
Type:
Grant
Filed:
February 15, 2013
Date of Patent:
April 7, 2020
Assignee:
Lenzing Aktiengesellschaft
Inventors:
Ulrich Möderl, Christoph Schrempf, Heinrich Firgo
Abstract: A composition includes a polymer having a poly-lactide and at least one compound of formula (I), where L1 is C1-8alkylene or C3-6cycloalkylene; L2 is C1-6alkylene; L3 is C1-6alkylene; L4 is C1-6alkylene; L5 is C1-6alkylene; n is an integer selected from 1, 2, 3 or 4; m is an integer selected from 1, 2, 3 or 4; R1 is H; or C1-6alkyl; R2 is H; or C1-6alkyl. The poly-lactide is poly-L-lactide comprising a content of D isomer of at least 10% by weight based on the total weight of the poly-L-lactide; poly-D-lactide comprising a content of L isomer of at least 10% by weight based on the total weight of the poly-D-lactide; poly-DL-lactide; poly(meso-lactide); or mixtures thereof.
Abstract: An artificial timer and preparing method thereof. The artificial timber includes the following components in parts by weight: 35-50 parts of cellulose, 20-35 parts of hemicellulose and 15-35 parts of lignin, wherein the artificial timber has a density of 0.01-0.05 g/cm3. The preparing method includes: (1) dissolving 15-35 parts by weight of lignin, 35-50 parts by weight of cellulose and 20-35 parts by weight of hemicellulose with an ionic liquid; (2) cleaning and replacing it with water to obtain a lignocellulose hydrogel; and (3) drying the lignocellulose hydrogel to obtain an artificial timber. The prepared artificial timber is large in specific area, low in density, low in material energy consumption, moderate in condition and easy for operation. The obtained artificial timber is regular in shape and shaped like a sandy beige cylinder without obvious damage and deformation, which indicates that such artificial timber with high specific area has well molding capacity.
Type:
Grant
Filed:
March 14, 2018
Date of Patent:
February 11, 2020
Assignee:
ZHEJIANG A & F UNIVERSITY
Inventors:
Qingfeng Sun, Chao Wang, Chunde Jin, Ye Xiong
Abstract: Provided is a method of producing a three-dimensional object, including: a first step of placing and laminating a water-insoluble structural material and a support material each containing a water-soluble material and a fiber material to form a material layer; and a second step of bringing a portion of the shaped object including the support material into contact with a liquid containing water and a bipolar surfactant to remove the portion.
Abstract: A curable composition is provided comprising a curable rubber comprising: a) 80.0-99.9 wt % of a chloroprene resin; b) 0.06-13 wt % of trimethyl thiourea; and c) 0.06-13 wt % of a benzothiazolesulfenamide, such as N-cyclohexyl-2-benzothiazoles-ulfenamide. The present disclosure additionally provides cured compositions comprising a rubber comprising a crosslinked chloroprene resin and a fire retardant particle system comprising: d) 5-95 wt % particulate magnesium hydroxide (Mg(OH)2); and e) 5-95 wt % particulate aluminum trihydrate (Al(OH)3). In some embodiments the particulate aluminum trihydrate (Al(OH)3) has a mean particle size of greater than 30 microns and less than 400 microns, and more typically a mean particle size of greater than 82 microns. The present disclosure additionally provides sound barrier films comprising the cured compositions according to the present disclosure, in particular fire resistant sound barrier films.
Type:
Grant
Filed:
May 3, 2016
Date of Patent:
December 10, 2019
Assignee:
3M Innovative Properties Company
Inventors:
Pingfan Wu, Lianzhou Chen, Fredrick W. Vance, Edward E. Cole, Charles W. Hedley, Gregory L. Simon, Michael C. Martin
Abstract: A polypropylene composite resin composition with fiber texture includes a polypropylene resin including homo-polypropylene, a first ethylene-propylene copolymer, a second ethylene-propylene copolymer or a combination thereof, and an ethylene/?-olefin copolymer, and a molded article manufactured using the same.
Type:
Grant
Filed:
December 18, 2017
Date of Patent:
November 12, 2019
Assignees:
Hyundai Motor Company, Kia Motors Corporation, Hyundai EP Co., Ltd.
Inventors:
Han Ki Lee, Hak Soo Kim, Chang Hyeon Noh, Dong Han Kim, Kyung Soon Jang, Beom Ho Kim, Hyeok Lee, Wan Jo
Abstract: A rubber composition, comprises a rubber component; and a completely amorphous olefin based elastomer having a glass transition temperature Ig of ?40 to 20° C. in an amount of 1 to 40 parts by mass when the entire amount of the rubber component is regarded as 100 parts by mass. It is preferred that the rubber composition further comprises a liquid rubber in an amount of 1 to 40 parts by mass.
Abstract: The invention relates to powdery, water-soluble, cationic polymer composition comprising at least two different cationic polymers, namely a first cationic polymer and a second cationic polymer, which differ in chemical nature and molecular weight, as well to a method for producing such powdery, water-soluble, cationic polymer composition, and to its use for promoting flocculation in solid-liquid separation, for example as a retention aid in paper manufacture, and in sludge dewatering/wastewater purification.
Abstract: A porous body is placed in a rectangular parallelepipedal casing made of a stainless steel to prepare a mold form. A CNF-containing slurry is charged into the mold form, and another porous body is placed on the CNF-containing slurry. If the CNF-containing slurry are enwrapped in a nylon mesh, leakage of the CNF-containing slurry from a gap between the mold form and the porous body or clogging of the porous bodies can be inhibited. The upper and lower porous bodies are heated while applying a load to the CNF-containing slurry for a desired period of time to effect hot pressing, thereby obtaining a desired molded product. This provides a method for molding CNFs which enables a CNF molded product having a three-dimensional configuration to be obtained at a high productivity, and the CNF molded product obtained by the method for molding CNFs.
Abstract: A cross-linkable nitrile rubber composition including a highly saturated nitrile rubber (A) containing ?,?-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt % and having an iodine value of 120 or less, a master batch (B) containing an ethylene-vinyl acetate copolymer (b1) having a melt flow rate measured under a load of 21.18N at 190° C. of 0.5 to 1000 g/10 min. and containing vinyl acetate monomer units in a ratio of 5 to 50 wt % and an organic staple fiber (b2) having an average fiber length of 0.1 to 12 mm, and a cross-linking agent (C), wherein a ratio of the ethylene-vinyl acetate copolymer (b1) and the organic staple fiber (b2) in the master batch (B) is, in terms of a weight ratio of “ethylene-vinyl acetate copolymer (b1):organic staple fiber (b2)”, 30:70 to 80:20 is provided.
Abstract: A rubber composition, comprises a rubber component; and a completely amorphous olefin based elastomer having a glass transition temperature Ig of ?40 to 20° C. in an amount of 1 to 40 parts by mass when the entire amount of the rubber component is regarded as 100 parts by mass. It is preferred that the rubber composition further comprises a liquid rubber in an amount of 1 to 40 parts by mass.
Abstract: A wireless-communications-tower component being at least partially formed from a polymer composite. The polymer composite comprises a thermoplastic polymer and a filler, where the thermoplastic polymer is non-foamed. The polymer composite has a thermal conductivity of at least 0.5 watt per meter Kelvin (“W/m?K”) measured at 25 C. Such wireless-communications-tower components include radio frequency (“RF”) cavity filters, heat sinks, enclosures, and combinations thereof.
Type:
Grant
Filed:
November 13, 2013
Date of Patent:
May 14, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Mohamed Esseghir, Bret P. Neese, William J. Harris
Abstract: The present invention provides, among other things, compositions comprising nanofibrils, at least one maleic-anhydride (MA) copolymer and at least one matrix polymer, and methods of making such compositions. The provided methods and compositions allow for the production of composites with unexpectedly superior properties including improved impact resistance, tensile modulus of elasticity, tensile strength, and flexural modulus of elasticity as compared to previously known composites. In some embodiments, the present invention provides methods including the steps of providing cellulose nanofibrils, associating the cellulose nanofibrils with a maleic-anhydride (MA) copolymer to form a nanofibril-MA copolymer blend, preparing the nanofibril-MA copolymer blend for addition to a matrix polymer, and forming a composite by associating the nanofibril-MA copolymer blend with the matrix polymer, wherein the amount of cellulose nanofibrils in the composite is between 3% and 50% by weight of the composite.
Type:
Grant
Filed:
July 17, 2014
Date of Patent:
May 7, 2019
Assignee:
University of Maine System Board of Trustees
Inventors:
Douglas J. Gardner, Yousoo Han, Yucheng Peng
Abstract: The present specification discloses ceramic matrix compositions, methods of making such ceramic matrix compositions and methods and uses for such ceramic matrix compositions.
Abstract: A nanocomposite that includes a core containing silver nanoparticles, and a shell that includes polypyrrole and carbon nanotubes, wherein the polypyrrole covers at least a portion of the carbon nanotubes, and wherein the shell covers at least a portion of the core and a method of making the nanocomposite. Various combinations of the nanocomposite, the method of making the nanocomposite, and a method of disinfecting an aqueous solution with the nanocomposite, are also provided.
Type:
Grant
Filed:
October 3, 2017
Date of Patent:
March 19, 2019
Assignee:
King Abdulaziz University
Inventors:
Mohamed Abdel Salam, Abdullah Yousef Obaid, Reda Mohamed El-Shishtawy, Saleh Ahmed Mohamed
Abstract: The present invention relates to a thermoplastic resin composition for an exterior material, and a molded product using the same, the composition containing a thermoplastic resin and at least two types of cellulose-based fibers, wherein 0.1-5 parts by weight of the cellulose-based fibers are contained on the basis of 100 parts by weight of the thermoplastic resin.
Type:
Grant
Filed:
June 26, 2015
Date of Patent:
October 30, 2018
Assignee:
Lotte Advanced Materials Co., Ltd.
Inventors:
Min Ji Ju, Yun Jin Choi, Soo Kyung Kahng, Gi Hong Kim, Dong Hee Kim