Abstract: A method for producing polymeric balls or polymeric beads doped with at least one metal element is provided. The method may comprise the following steps: a) a step for forming polymeric balls or beads by polymerization, in an organic phase comprising a polymerization initiator, of at least one ethylenic monomer comprising at least one chelating ligand of at least one metal element; and b) a step for putting said polymeric balls or beads in contact with a solution comprising at least one metal element.

Abstract: A flame retardant thermoplastic composition having excellent physical properties that includes 20 to 90 wt. % of a polycarbonate resin; from 1 to 35 wt. % of an impact modifier; from 0.5 to 30 wt. % of a polysiloxane-polycarbonate copolymer including from 8 to 30 wt. % polydimethylsiloxane units or the equivalent molar amount of other diorganosiloxane units; from 0.5 to 20 wt. % of a phosphorus-containing flame retardant, and from 3 to 30 wt. % of metal fiber, each based on the total combined weight of the thermoplastic composition, exclusive of any filler. In one embodiment, a molded sample of the thermoplastic composition having a thickness of 3.0 mm (±10%) has an EMI shielding of at least 20 dB. In addition, a molded sample of the thermoplastic composition is capable of achieving UL94 V0 or V1 rating at a thickness of 1.5 mm (±10%). The compositions are useful in forming flame retardant articles having EMI shielding characteristics.

Abstract: The invention relates to a reinforced composite having an unplasticized polyvinyl chloride (PVC) matrix reinforced by means of elongated steel element provided with a coating of acrylate based polymer. The yield strength of elongated steel element of the present invention at 0.01% permanent elongation is at least 1500 MPa. The invention also relates to In one aspect, the present invention relates to a reinforced composite having an unplasticized PVC matrix reinforced by means of elongated steel element, wherein said elongated steel element is coated with a layer of acrylate based polymer followed by a coating of tie layer, wherein said tie layer comprises a mixture of PVC and a plasticizer.

Abstract: One or more aspects of the present invention relate to a material comprising particles dispersed in a polymer matrix, wherein the particles include at least one metal and are packed in the polymer matrix with a density of at least 0.6 of the density of the at least one metal. The invention further relates to a shaped charge, an element for forming a liner of a shaped charge, and a kit for assembling a shaped charge.

Abstract: A metal particle dispersion structure characteristically comprising (B) 0.005 to 100 weight parts of metal nanoparticles dispersed in (A) 100 weight parts of polymerized polymer, wherein the metal nanoparticles are metal particles obtained by mixing (b1) organohydrogenpolysiloxane and (b2) at least one metal compound which is soluble in component (b3) to uniformity in (b3) cyclic or chain dimethylpolysiloxane or at least one organic solvent.

Abstract: Nanocomposites and method of making same are provided using nanoplatelets. A nanocomposite is provided, and the nanocomposite includes nanoparticles, inorganic platelets, and a polymer material. A method is provided for dispersing nanoparticles into a polymeric material by using inorganic nanoplatelets.

Abstract: A metal nanoparticle composite is provided, in which a matrix resin layer and metal nanoparticles are immobilized on the matrix resin layer. The metal nanoparticle composite has the following characteristics: a) the metal nanoparticles are obtained by heat-reducing metal ions or metal salts contained in the matrix resin layer or a precursor resin layer thereof; b) the metal nanoparticles exist within a region from the surface of the matrix resin layer to a depth of at least 50 nm; c) particle diameters of the metal nanoparticles are in the range of 1 nm to 100 nm with the mean particle diameter of greater than and equal to 3 nm; and d) a spacing between adjacent metal nanoparticles is greater than and equal to the particle diameter of a larger one of the adjacent metal nanoparticles.

Abstract: A topical product including but not limited to a feminine hygiene product or incontinence shield which contains at least two kinds of particulate metals distributed throughout which, when in contact with moisture, form a galvanic current (virtually if not completely imperceptible to the user) that has antimicrobial effect on all pathogens. Galvanic current virtually or completely imperceptible to the user facilitates antimicrobial effect.

Abstract: A titanium-containing PET copolyester has an intrinsic viscosity of 0.72-0.90 dl/g and a maximum amount of heat released during crystallization transition through a DSC analysis at a given heating rate of 20° C./min being less than 10 joules/gram, which contains polyethylene terephthalate as a major component and contains titanium component in an amount of 2-25 ppm based on the total copolyester weight, X mole % of isophthalic acid based on the copolyester, Y mole % of diethylene glycol based on the copolyester, Z mole % of 2,6-naphthalene dicarboxylic acid based on the copolyester, wherein X, Y, Z conforms to the following conditions: 0?X?2.5; 1.0?Y?2.5; 0?Z?2.5; 2.5?X+Y+Z?7.5; and the PET copolyester is suitable for manufacturing an injection stretch blow molded refillable container having an inner volume of greater than 10 litters and capable of being returnable and refillable up to 20 loops of returning.

Abstract: The invention relates to the use of spherical metal particles, which are free of antimony and/or antimony-containing compounds, as a laser marking agent or laser weldability agent in a plastic, wherein the particle size distribution of the spherical metal particles, as determined by means of laser granulometry, in the form of the volume-averaged cumulative undersize particle size distribution, has a D99 value of <110 ?m, a D90 value of <75 ?m, and a D50<45 ?m. The invention further relates to a laser-markable and/or laser-weldable plastic which a laser marking agent consisting of spherical metal particles, which are free of antimony and/or antimony-containing compounds, wherein the particle size distribution of the spherical metal particles, as determined by means of laser granulometry, in the form of the volume-averaged cumulative undersize particle size distribution, has a D99 value of <110 ?m, a D90 value of <75 ?m, and a D50<45 ?m.

Abstract: A curable silicone composition comprising: (A) an organopolysiloxane that is represented by the average unit formula: (R13SiO1/2)a(R22SiO2/2)b(R3SiO3/2)c(SiO4/2)d (wherein R1, R2, and R3 are each independently selected from substituted or unsubstituted monovalent hydrocarbon groups and epoxy-functional monovalent organic groups, with the proviso that at least 20 mole % of R3 are aryl groups, and a, b, c, and d are numbers that satisfy 0?a?0.8, 0?b?0.8, 0.2?c?0.9, 0?d<0.8, and a+b+c+d=1), and that has at least two of the aforementioned epoxy-functional monovalent organic groups in each molecule; (B) a compound that has a group capable of reacting with the epoxy group; (C) a cure accelerator; and (D) a thermally conductive filler, has excellent handling characteristics and that cures rapidly to give a cured product that is highly thermally conductive, very flexible, highly adhesive, and very flame retardant.

Abstract: A polyester resin composition having an equivalent spherical diameter of 1 mm to 50 mm, a degree of crystallization of not less than 65% and less than 99%, an intrinsic viscosity of not more than 0.7 dl/g and a cyclic trimer content of not more than 0.4% by weight. This polymer resin composition has an excellent color tone, causes no significant viscosity lowering or viscosity rise, and can withstand a process which is exposed to a long-term thermal history. A polyester resin composition having a viscosity suitable for extrusion in a general-purpose manner, a production process thereof, and a polyester film are also provided.

Abstract: The present invention provides a flame-retardant polyolefin resin composition having superior molding processability, a resistance to thermal deformation and suitable stretchability and intensity, which is rich in elastic deformation. The present invention provides a flame-retardant polyolefin resin composition comprising component A (a thermoplastic resin having a carbonyl oxygen atom in the molecular skeleton), component B (a polymer alloy containing an ethylene component and a propylene component), component C: a modified polyolefin polymer containing an acidic functional group and having a weight average molecular weight of 10,000-80,000 and component D (an inorganic metal compound), and substantially free of a halogen atom.

Abstract: Thermally-conductive moldable thermoplastic compositions or composites may generally include a plurality of metal-coated filler particles; a plurality of secondary filler particles; and a polymer matrix in admixture with the metal-coated filler particles and the secondary filler particles. The composition or composite may have a thermal conductivity ranging from about 20 Watts per meter-Kelvin to about 35 Watts per meter-Kelvin. Injection molded articles having a moldable thermally-conductive thermoplastic composition or composite can be formed for microelectronics, automotive, avionic, and other heat dissipation applications.

Abstract: A resin composition for a pre-coated steel sheet having excellent welding properties, corrosion resistance and workability, a method of producing a pre-coated steel sheet using the same, and a pre-coated steel sheet are provided. More particularly, a metal resin composition for coating a film is provided. The composition includes a subject resin, a curing agent, and at least one kind of metal powder selected from the group consisting of Ni, Co, Mn, Fe, Ti, Cu, Al, Zn, Sn and Fe2P powder, and has an average short-axis diameter (?) satisfying the condition t/3???3t (where t is a thickness of a dried coating film formed by coating a resin metal composition for coating the coating film). Therefore, the steel sheet to which the metal resin composition is coated has excellent welding properties, corrosion resistance and workability.

Abstract: A metal fiber reinforced composition and its method of fabrication. Metal fibers are created by broaching or shaving metal wool from stock material. The wool is straightened and cut into short lengths. Each of the metal fibers has an average maximum diameter of between 0.005 millimeters and 0.2 millimeters, and a cut length no greater than two-hundred times the average maximum diameter. A volume of a curable composition is provided. The metal fibers are mixed into the curable composition to create a fiber reinforced composition. The fiber reinforced composition is then formed into a selected shape, such as a construction element. The selected shape is then cured. Since the metal fibers are dispersed uniformly throughout the selected shape, curing or re-heating of the selected shape can be facilitated using an induction coil that heats the various metal fibers within the selected shape.

Abstract: The invention relates to a cellular elastomer which is anisotropic, with anisotropy being defined by the compressive modulus in one of three orthogonal directions being greater than that in the other two directions by a factor of at least 1.5. The invention also relates to a cellular elastomer containing magnetizable particles which have a chain-like alignment along one spatial direction. The invention also relates to a process for producing a cellular elastomer containing magnetiable particles and the use of such elastomers in articles of manufacture.

Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer comprising a polymer blend polyimide polymer and amino silicone.

Abstract: A plastic packaging component is provided that is formed of a resin containing an electromagnetic spectrally detectable additive mixed with the resin. The resin formed into a plastic packaging component of an aerosol package lid, an aerosol spray button, an aerosol spray tube, a trigger sprayer, an integrated lid-sprayer, a grease cartridge, a grease cap, plastic fiber toweling, a packaging strap, a pail lid, a jar cap, or a brush. A process for detecting a displaced packaging component in an organic production stream is provided that includes adding to a resin an electromagnetically detectable additive intermixed with the resin and forming the additive loaded resin into the plastic packaging component. The production stream is then scanned for the detectable signal of the additive. Upon detecting the additive, an alarm signal is provided that the production stream contains the displaced packaging component.

Abstract: A curable silicone composition comprising at least the following components: (A) an epoxy-containing organopolysiloxane; (B) a curing agent for an epoxy resin; (C) a thermally conductive metal powder; and (D) a thermally conductive nonmetal powder; exhibits low viscosity, excellent handleability and curability and, when cured, forms a cured body of flexibility, low specific gravity, and excellent thermal conductivity. An electronic component sealed or adhesively bonded with use of a cured body obtained by curing the aforementioned composition provides high reliability.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.94% by weight of a polyamide, B) from 0.05 to 5% by weight of a polyethyleneimine homo- or copolymer, C) from 0.01 to 20% by weight of iron powder, and D) from 0 to 70% by weight of further additives, where the total of the percentages by weight of A) to D) is 100%.

Abstract: High performing nanoparticle compositions suitable for printing, such as by inkjet printing, are provided herein. In particular, there is provided a conductive ink formulation comprising silver nanoparticles which has optimal performance, such as, reduced coffee ring effect, improved adhesion to substrates, and extended printhead de-cap time or latency time. The ink formulation comprises two or more solvents and a resin.

Abstract: A polymer additive for improving the reheat characteristics of a polymer or polymeric composition comprises an inorganic material which is such that a 2.5 mm thick polyethylene terephthalate plaque incorporating the inorganic material has, when tested, an absorption ratio of less than 0.9, wherein the absorption ratio is either the ratio of A1/A2 or the ratio A1/A3, wherein: A1 is the maximum absorption between 400 nm and 550 nm; A2 is the maximum absorption between 700 to 1100 nm; A3 is the maximum absorption between 700 to 1600 nm. Preferred inorganic materials are titanium nitride, indium tin oxide and lanthanum hexaboride.

Abstract: A shape memory structure includes, an elastic material, and a viscoelastic material commingled with the elastic material. The shape memory structure is reformable from a first shape to a second shape upon exposure to a change in environment that softens the viscoelastic material thereby allowing the shape memory structure to creep under stress stored in the elastic material.

Abstract: Provided is a polyalkylene carbonate resin composition for producing a decorating material and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom, and more particularly to polyalkylene carbonate resin composition for producing a decorating material in which a polymer additive is input to impart heat resistance and shape stability of the decorating material, a crosslinker and a chain extender is input to improve the processability at a processing temperature, and a flame retardant agent is added to impart a flame retardant effect, and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom. An environment-friendly polyalkylene carbonate resin decorating material having excellent thermal stability, processability, and dimensional stability can be produced by using the composition according to the present invention.

Abstract: A metal powder slip composition includes a metal powder, a polycarbonate binder, and a liquid carrier. The slip composition can be debound after slip casting without generating residual carbon. The slip composition can be formed into a porous metal layer on a porous substrate object, the porous metal layer having low residual carbon content, without requiring a step of removing residual carbon. A corresponding method of making a porous metal layer is also provided.

Abstract: Thermoplastically processable PVC mixtures having enhanced stability are prepared by incorporating at least one stabilizer containing metal ions and a modified polyvinyl alcohol co-stabilizer.

Abstract: A plastic molding material contains at least one filler and a polymer resin, selected from the group made up of cyanate ester resins, epoxy novolac resins, multifunctional epoxy resins, bismaleimide resins and their mixtures. The proportion of filler in the plastic molding material is in the range of 65 to 92 wt. %, with reference to the overall mass of the plastic molding material.

Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer comprising a polyamideimide/polybenzimidazole polymer blend. A method of manufacturing the fuser member is described.

Abstract: A water-borne stain blocking primer comprises a) from about 10 to about 30 wt % of a water-dispersible, hydrophobic alkyd resin having an acid number of less, than 40 KOH/g, b) from about 5 to about 30 wt % of a pigment, the pigment having an average aspect ratio of at least 3:3:1; c) from about 0.05 to about 3 wt % of a tannin chelation agent; d) from about 0 to about 20 wt % of a water-dispersible, hydrophobic free-radically polymerized copolymer; e) a hydrophobically modified associative rheology modifier in an amount effective to provide a water-borne primer having an ICI viscosity of from about 0.5 to about 3.0 poise; and a KU viscosity range of from about 80 to about 120 Krebs units; and f) water. The water-borne primer has a VOC content of less than 5%. Methods of preparing and using such water-borne stain blocking primers also are described.

Abstract: A process for producing particle-reinforced composite materials through utilization of an in situ reaction to produce a uniform dispersion of a fine particulate reinforcement phase. The process includes forming a melt of a first material, and then introducing particles of a second material into the melt and subjecting the melt to high-intensity acoustic vibration. A chemical reaction initiates between the first and second materials to produce reaction products in the melt. The reaction products comprise a solid particulate phase, and the high-intensity acoustic vibration fragments and/or separates the reaction products into solid particles that are dispersed in the melt and are smaller than the particles of the second material. Also encompassed are particle-reinforced composite materials produced by such a process.

Abstract: Active polymeric films are described which comprise a permeable polymer matrix provided with one or more functional groups and, embedded within the polymer matrix, one or more nanoparticles of an inorganic substance(s) such as copper or silver to provide antibacterial properties.

Abstract: Polyethylene naphthalate fibers that are characterized in that the fibers have a crystal volume of from 550 to 1,200 nm3 obtained by wide angle X-ray diffraction of the fiber and a degree of crystallization of from 30 to 60%. It is preferred that the fibers have a maximum peak diffraction angle of wide angle X-ray diffraction of from 25.5 to 27.0° and a melting point of from 285 to 315° C. The production method thereof is characterized in that a particular phosphorus compound is added to the polymer in a molten state, the spinning draft ratio after discharging from the spinneret is from 100 to 5,000, and the molten polymer immediately after discharging from the spinneret is allowed to pass through a heat-retaining spinning chimney at a temperature within ±50° C. of a temperature of the molten polymer, and is drawn.

Abstract: Polyethylene naphthalate fibers that are characterized in that the fibers have a crystal volume of from 100 to 200 nm3 obtained by wide angle X-ray diffraction of the fiber and a degree of crystallization of from 30 to 60%. It is preferred that the fibers have a maximum peak diffraction angle of wide angle X-ray diffraction of from 23.0 to 25.0°. The production method thereof is characterized in that a particular phosphorus compound is added to the polymer in a molten state, the spinning speed is from 4,000 to 8,000 m/min, and the molten polymer immediately after discharging from the spinneret is allowed to pass through a heated spinning chimney at a high temperature exceeding a temperature of the molten polymer by 50° C. or more, and is drawn.

Abstract: The invention provides a dispersant for an aqueous dispersion of positively charged or chargeable solid particulates which comprises a compound having an anchoring moiety linked to a polymeric hydrophilic moiety, the anchoring moiety containing at least one acid and/or hydroxy group and having an overall acidity or neutrality and the polymeric moiety having a lower affinity for the particulate surface than the anchoring moiety. The anchoring moiety preferably contains at least two acid groups, preferably carboxylic acid groups, attached either in a [1,1], [1,2] or [1,3] relationship and is linked to the polymeric moiety, which is preferably derived from acrylamide or methacrylamide monomer units, preferably by a sulfur atom. The dispersant can reduce the viscosity of an aqueous dispersion of positively charged or chargeable solid particulates and can reduce the tendency of the resulting dispersion to form a gel or a yield stress material.

Abstract: Amino alkoxy-modified silsesquioxanes (amino AMS), and/or amino co-AMS compounds that also comprise a mercaptosilane or a blocked mercaptosilane, are excellent adhesives for coating plated or unplated metal wire for adherence of the wire to a rubber stock. The amino AMS and/or the amino/mercaptan co-AMS adhesives can be used with all types of rubber and there is no requirement for the use of special adhesive additives to the rubber vulcanizates, such as, but not limited to, cobalt, resins and high sulfur levels. In particular, the use of amino AMS and/or amino/mercaptan co-AMS compounds as adhesives for bonding wire to rubber also improves the adherence performance of the reinforcements to obtain sufficient bonding that is resistant to degradation over the course of time, especially resistance to thermal aging and/or thermo-oxidizing aging, in particular corrosion in the presence of water.

Abstract: The present invention is directed to viscoelastic compositions useful printing processes, and to devices using the compositions.

Abstract: An imitation metal engineering plastic composite material and a preparation method of the same relate to a polymer composite material. Plastic and metal are combined while maintaining the advantages of the imitation metal engineering plastic composite material and the preparation method thereof. The composition of the composite material comprises an engineering thermoplastic, a high-density filler, a mineral powder, a glass fiber, a toughener, a coupling agent, a lubricant and an antioxidant. The composite material features a high density, a high mechanical performance, an excellent thermal deformation temperature, and good plastic injection molding manufacturability. The method of combining the coupling agent and the optimal conditions of the particles are adopted to make the manufacturing simpler and easier, and a general twin-screw granulator can be used for producing granules, and a general plastic injection molding machine can be used in the plastic injection molding process.

Abstract: Disclosed is a transparent/translucent molding composition and process for making prepared from an impact modifier and a resin blend of polycarbonate and a cycloaliphatic polyester having a matching index of refraction.

Abstract: A laminated composition includes a first polymer layer having a first surface and a second surface; a second polymer layer having a first surface and a second surface; and an adhesive layer joining the second surface of the first polymer layer to a first surface of the second polymer layer; where the adhesive layer includes a heat-shrinkable resin including heat-generating particles.

Abstract: Methods of forming nanocomposites comprising a polymer and metal nanoparticles are disclosed. The nanoparticles are disposed within a matrix of the polymer. In particular, the nanoparticles are formed in situ in an extruder. The methods comprise providing a reaction mixture comprising a polymer, a metal precursor, and a solvent and extruding the reaction mixture to form a polymer nanocomposite. The methods overcome nanoparticle dispersion issues arising from melt blending processes.

Abstract: A wire includes a plurality of carbon nanotube infused fibers in which the infused carbon nanotubes are aligned parallel to the fiber axes. An electromagnetic shield for a wire includes a plurality of carbon nanotube infused fibers, in which the infused carbon nanotubes are aligned radially about the fiber axes. The plurality of carbon nanotube infused fibers are arranged circumferentially about the wire with the fiber axes parallel to the wire. A self-shielded wire includes 1) a wire that includes a plurality of carbon nanotube infused fibers in which the infused carbon nanotubes are aligned parallel to the fiber axes; and 2) an electromagnetic shield that includes a plurality of carbon nanotube infused fibers in which the carbon nanotubes are aligned radially about the fiber axes. The axes of the carbon nanotube infused fibers of the wire and the carbon nanotube infused fibers of the electromagnetic shield share are parallel.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.94% by weight of a polyamide, B) from 0.05 to 5% by weight of a polyethyleneimine homo- or copolymer, C) from 0.01 to 20% by weight of iron powder, and D) from 0 to 70% by weight of further additives, where the total of the percentages by weight of A) to D) is 100%.

Abstract: A plastics polymer-based bearing material and a method manufacture thereof are described, the material comprising a matrix of a polyimide/amide plastics polymer material and having distributed throughout the matrix: from 5 to less than 15 vol % of a metal powder; from 1 to 15 vol % of a fluoropolymer, the balance being the polyimide/amide resin apart from incidental impurities.

Abstract: A recycling program provides a monetary incentive to encourage recycling of target waste materials, such as paper, glass and plastic products. A precious metal, such as gold, silver, platinum or palladium, is incorporated into the target waste material during manufacturing to provide an incentive for recycling the target material. A visual marking is placed on the target material to distinguish from other waste items that do not contain a precious metal. A deposit is collected from consumers when purchasing the target material, and the deposit is paid back when the target material is delivered to a recycling collection point. Recycling of the target material is encouraged by efforts to reclaim the precious metal.

Abstract: A thermoplastic polymer composition comprises a combination of: 40 to 60 pbw, of a polyetherimides, polyetherimide sulfones, or combination thereof having a weight average molecular weight from 5,000 to 80,000 Daltons; 40 to 60 pbw of a polyethylene terephthalate, the polyethylene terephthalate having a diethylene glycol content from 0.1 to 4 wt %, based on the weight of the polyethylene terephthalate, an intrinsic viscosity that is more than 0 and less than 0.83 dl/g, and carboxylic acid end groups in an amount from 10 to 150 meq/Kg; from 0 pbw to 1 pbw, based on 100 pbw of the polymer composition of a stabilizer selected from phenol-containing stabilizers, phosphorus-containing stabilizers, or a combination thereof; and, based on the weight of the polyethylene terephthalate, 10 to 300 antimony; 0 to 300 ppm of cobalt; and 0 to 300 ppm of titanium; wherein the polymer composition is bisphenol A free.

Abstract: Provided is a magnetic graphite nanoplatelet, and a method of manufacturing nanocomposites by introducing the magnetic nanoplatelets into a composite matrix. Expanded crystalline graphite, in the form of graphite nanoplatelets, is mixed with magnetic particles to adhere the particles to the nanoplatelets. The magnetic graphite nanoplatelets are combined with a composite matrix, typically a polymer, to form a nanocomposite. In the presence of an applied magnetic field, the magnetic graphite nanoplatelets orient and align consistent with the magnetic field to yield a composite having enhance mechanical, electrical and thermal properties.

Abstract: A method of preparing an aqueous dispersion comprising metal particles of mean diameter from 0.5-200 nm by weight and an aqueous carrier liquid, including the steps of i) providing a mixture comprising at least one metal salt, aqueous carrier liquid and a stabilizer for the particles ii) contacting the mixture with a reducing agent to form a reaction mixture iii) causing the at least one metal salt to react with the reducing agent to form a dispersion comprising metal particles and acid wherein step iii) is partly or completely performed in the presence of anion exchange resin whereby the acid is exchanged for a hydroxide ion from the resin and/or is sorbed by the resin.

Abstract: The invention relates to flexible compounds that are made of a thermoplastic elastomer and a filler having increased thermal conductivity, and to flexible heat-conducting tubes produced on the basis thereof that are especially useful as heating or cooling tubes. The inventive mixtures have a thermal conductivity in the range of from 0.5 to 2 W/mK.

Abstract: A method for manufacturing core-shell metal nanoparticles is provided. The method comprises providing a first solution containing a metal ion; providing a second solution containing Arabinogalactan and having a pH value ranging from about 1 to about 13; mixing the first solution and the second solution to form a third solution; and enabling the third solution to perform an oxidation-reduction reaction to form the core-shell metal nanoparticles. The core-shell metal nanoparticles comprise a core composed of metal; and a shell, composed of Arabinogalactan, covering the surface of he core.