44results about How to "Improve thermal properties" patented technology

Disclosed herein is a composite comprising an elastomer with an embedded network of liquid metal inclusions. The composite retains similar flexibility to that of an elastomer but exhibits electrical and thermal properties that differ from the properties of a homogeneous elastomer. The composite has applications for wearable devices and other soft matter electronics, among others.

A method and system for improving the electrical conductivity of the nodes of a nanotube net and related materials. A method for adding material to the nodes of a nanotube net that provides more pathways and connections to guarantee good electrical conductance between one electrode and another and speeds the transmission of charge carriers by providing alternative pathways. These improvements may include an enhanced overall thermal conductivity of the CNT net and enhanced mechanical performance of the CNT net. The present disclosure improves, either independently or jointly, electrical, thermal, or mechanical properties of CNT nets. Further, optical transmission does not worsen significantly.

The embodiments described herein pertain generally to graphene/ceramic nanocomposite powder including a matrix ceramic; and graphene dispersed in the matrix ceramic and a preparation method thereof, and a graphene/ceramic nanocomposite material including the graphene/ceramic nanocomposite powder and a preparation method thereof.

LED devices and methods for making such devices are provided. One such method may include forming epitaxially a substantially single crystal SiC layer on a substantially single crystal Si wafer, forming epitaxially a substantially single crystal diamond layer on the SiC layer, doping the diamond layer to form a conductive diamond layer, removing the Si wafer to expose the SiC layer opposite to the conductive diamond layer, forming epitaxially a plurality of semiconductor layers on the SiC layer such that at least one of the semiconductive layers contacts the SiC layer, and coupling an n-type electrode to at least one of the semiconductor layers such that the plurality of semiconductor layers is functionally located between the conductive diamond layer and the n-type electrode.

An electronic device assembly includes a heat sink coupled to an electronic device to dissipate the heat produced by the electronic device. A heat spreader is coupled between the electronic device and the heat sink to transfer heat from the electronic device to the heat sink. Furthermore, at least one of the electronic device, the heat spreader, and the heat sink is disposed with a disordered carbon coating.

The invention discloses a purification method for quartz sand. The purification method comprises the following steps: crushing raw quartz ore, adding water, carrying out blending, then adding a grinding aid and successively carrying out ball milling, magnetic separation and drying so as to obtain a material A; subjecting the material A to heating, heat preservation, chlorination water and quenching and then carrying out filtering and drying so as to obtain a material B; and adding the material B into a mixed acid solution, carrying out ultrasonic treatment at 35 to 65 DEG C for 3 to 8 h and then successively carrying out filtering, washing until a pH value is 7, and drying so as to obtain purified quartz sand. The purification method for quartz sand is simple in steps, and the obtained quartz sand is high in purity and good in stability and can be applied to a plurality of fields.

The invention provides a coke for furnace protection and a production method thereof. The coke for furnace protection comprises the following components in percentage by weight: 79-90% of fixed carbon, 9-18.5% of ash content, 0.55-1.5% of volatile and 0.45-1.0% of S, wherein the ash content comprises the following components in percentage by weight: 0.82-9.12% of TiO2 and 0.075-0.214% of V2O5. The coke of the invention has the characteristic of improving coke hot performance (namely the cold-to-hot reactivity of the coke (CRI)), has low production cost and can ensure long-term stable operation of a blast furnace while performing the action of protecting the furnace.

This invention relates to a resin composition with good workability, including a liquid crystal oligomer, an epoxy resin, or a resin mixture thereof, and an inorganic filler having a nanocone shape, and to an insulating film for a printed circuit board, and a prepreg, which are manufactured using the resin composition.

The invention belongs to the technical field of soil remediation, and particularly relates to a method for remediation of lead-cadmium polluted soil. A combined remediation method of adsorption solidification and microbial remediation is adopted to remediate lead-cadmium polluted soil. The method particularly comprises the following steps: spreading an adsorbent and a passivator into the soil before crop seeds are sown, spraying water at the same time, then carrying out deep tillage by 5-8 cm, and standing the soil for 10-15 days; and spreading a compound bacterial preparation into the soil, carrying out shallow tillage by 3-5cm, then spraying a film forming solution into the soil, and standing the soil for 10-15 days. Through adoption of the combined remediation method of adsorption solidification and microbial remediation, heavy metals are firstly adsorbed and solidified under action of the adsorbent and the passivator, and then the adsorbed and solidified heavy metals are digested and converted by microorganisms, so that the content of the heavy metals in the soil is reduced, and the heavy metals are prevented from being dissolved again.

The invention relates to a method for preparing fibers with performance of sheep wool and an imitated wool fabric. The method for preparing the fibers comprises the following steps that: (1) full dull polyethylene terephthalate (PET) slices with TIO2 content of between 2.8 and 3.6 weight percent and intrinsic viscosity of between 0.662 and 0.668 are used as a first raw material; (2) water-solublePET slices are used as a second raw material, and the consumption of the water-soluble PET slices is 2 to 3 percent of the total weight of the fibers; (3) the master batch of a far infrared material is used as a third raw material, and the consumption of the master batch is 1.5 to 4 percent of the total weight of the fibers; (4) nano calcium titanate master batch is used as a fourth raw material,and the consumption of the master batch is 0.5 to 0.8 percent of the total weight of the fibers; and (5) the four raw materials are mixed uniformly in a mixing device and spun through a medium hole plate to form the fibers, and the fibers are prepared into the imitated wool fabric by warp knitting, weft knitting, alkali treatment, dyeing, finishing, sizing and drying. The function of the imitatedwool fabric is 80 to 82 percent similar to that of a wool fabric. Moreover, the method is simple and low in cost.

The invention discloses a manufacturing process of high thermal-preservation, moisture absorption and sweat-releasing acrylic fibers. The process comprises following steps: (1) material selection; (2) cotton carding operation; (3) drawing operation; (4) roving operation; (5) spinning operation; (6) spooling operation. The invention further discloses a fabric manufacturing process utilizing fibers obtained by the above process as warp yarns. The process comprises following steps: (1) material selection: selecting 60% of cotton in 1.3D*33mm and 40% of lenzing viscose in 1.2 D*38 mm to be blended as weft yarns; (2) warping operation; (3) sizing operation; (4) denting operation; (5) weaving operation; (6) performing pre-treatment after manufacture; (7) printing. The manufacturing process of high thermal-preservation, moisture absorption and sweat-releasing acrylic fibers has following beneficial effects: acrylic fibers manufactured feel soft, has good spreadability, high water-carrying performance and soft lustre, are fluffy, dry and comfortable, breathable and comfortable to wear and easy to dye and resemble wool; and anti-solarization, weatherability and mildew-resistant and mothproof performance of ordinary acrylic fibers are obtained.

Polymer systems comprising poly(vinyl chloride), a non-petroleum based filler, and a polyester additive, wherein the polymer system is highly filled, and articles made therefrom, are described. The high loading of filler (e.g., talc, calcium carbonate or a combination thereof) is achieved by incorporation of polyester additives such as polyhydroxyalkanoates. High filler loading without significant reduction of relevant material properties can be associated with cost savings and environmental benefits.

Semiconductor devices and methods for making such devices are provided. One such method may include forming a transparent diamond layer having a SiC layer coupled thereto, where the SiC layer has a crystal structure that is substantially epitaxially matched to the transparent diamond layer, forming epitaxially a plurality of semiconductor layers on the SiC layer, and coupling a diamond substrate to at least one of the plurality of semiconductor layers such that the diamond support is oriented parallel to the transparent diamond layer. In one aspect such a method may further include electrically coupling at least one of a p-type electrode or an n-type electrode to at least one of the plurality of semiconductor layers.

The invention relates to a burner with quick swirl mixing device for burning in porous cone, which can effectively solve the problems that most of furnace burning devices are complex and need large burning space, the gas is not mixed uniformly, the burning is incomplete, the environment is polluted and energy is wasted; the swirl and reflux burning chamber is an annular space between the bell-shaped wall and the round porous heat storage cone; the side of the bell-shaped wall is provided with a gas and air inlet tube; the gas and air inlet tube is connected with the swirl and reflux burning chamber by an air inlet nozzle; a flow guild baffle is disposed in the air inlet nozzle, the opening is faced to the airflow mixing annular channel, so as to solve the problems that the burning of the low-heat value gas is not stable, the burning intensity is small and the burning temperature is low; the invention can not only realize quick airflow mixing, high temperature pre-heating in the porous cone and high-intensity burning under the condition of simple structure, but also the invention plays a vital role in simplifying the whole structure of industrial furnace and improving the thermal performance.

A light-emitting diode package includes a frame portion with a chip-mounting region defined in an upper portion thereof, and first and second frames spaced apart from each other. A light-emitting diode is mounted on at least a portion of the chip-mounting region with a bonding layer interposed therebetween. The frame portion includes a depressed portion formed on an upper surface thereof, and the depressed portion includes the chip-mounting region defined on a bottom thereof. The depressed portion also includes a step portion disposed at an outer upper end thereof.

A lithium-air storage battery having at least one electrochemical cell with

• • a negative electrode, which is an air electrode;
  • a positive electrode, which comprises a material for insertion of lithium; and
  • an organic electrolyte conducting lithium ions, positioned between the negative electrode and positive electrode, the electrolyte not degrading, when it is subject to a voltage ranging from 3V to 5.5V expressed relatively to the Li⁺/Li pair and the storage battery having a potential difference between the electrochemical potential of the positive electrode and the electrochemical potential of the negative electrode greater than 4.5V expressed relatively to the Li⁺/Li pair.

Hybrid clays for obtaining nanocomposites useful in the automotive, aviation, construction and packaging industry, among others. The hybrid clay comprises clays intercalated with the itaconic acid (ITA) monomer or its derivative monooctadecyl itaconate (MODIT), and a process for the preparation of these hybrid clays and the process to obtain polyolefin/clay nanocomposites.

A low cost and simple method for preparation of diffusion sheets is disclosed. The diffusion sheet is made from low-cost inorganic nano-scale material by an energy-saving wet coating process. Moreover, the diffusion sheet manufactured by the present invention also has feature of abrasion and scratch resistance due to use of curable acrylic binder.

Provided are a polymer represented by Formula 1, an electrolyte including the same, and a lithium battery including the polymer.

The invention relates to temperature sensing gel preparation and its method of preparation. The preparation is made up of vegetable essential oil, boneol or mentha camphor alcohol solution, poloxamer 407 solution, and antiseptic. It is sensitive to temperature. It is flexible liquid at normal temperature. While near to 28-33 centigrade degree it forms gel. It can be used in human or animal cavity channel mucous membrane, such as oral cavity, nasal cavity, rectum, and vagina.

The present invention relates to a fuel pump for conveying fuel, comprising an inlet valve (2), an output valve (3), a cylinder (4), a piston (5), said piston being arranged in the cylinder (4), a heat-generating actuator (6) for activating the piston (5), and a returning element (7) for returning the piston (5) into an initial position. According to the invention, the fuel pump (1) comprises a first gap (8) which is configured between the cylinder (4) and the heat-generating actuator (6), wherein a first fuel path (80) runs through the first gap (8). The invention further relates to a method for operating a fuel pump (1) according to the invention.

The embodiments relate to a polyester film, to a process for preparing the same, and to a process for regenerating a polyethylene terephthalate (PET) container using the same. The polyester film has excellent seaming characteristics and recyclability by virtue of controlled crystallinity, whereby clumping rarely occurs even if it is thermally treated for a long period of time in the regeneration process.

A method of making and synthesizing dielectric nanofluids with hybrid colloidal iron oxide nanoparticles coated with oleic acid and by usage of natural ester oil matrix instead of mineral oil. The final product of dielectric nanofluid has enhanced dielectric and thermal properties without agglomeration and precipitation of the nanoparticles. The final product is intended to be used as dielectric insulation and cooling media for high voltage equipment/applications and/or other applications.