389 results about "Fiber" patented technology

The invention discloses a guided tissue regeneration membrane. The membrane adopts a double-layer membrane structure and is characterized in that one layer is a compact layer prepared from biological fibers with longer degradation time, and the other layer is a potential loose layer prepared through mixing of biological fibers with different degradation time. After the potentialloose layer is implanted in a body, part of the biological fibers degrades quickly, so that the pore diameter of the membrane is increased, and ingrowth of cells is facilitated. The compact layer and the potential loose layer are connected through the same biological fibers with the longer degradation time, so that the double-layer membrane is free of splitting and fractures. The invention further discloses a preparation method of the guided tissue regeneration membrane as well as an application of the guided tissue regeneration membrane as a tissue repair product to tissue repair.

The invention relates to polyester conductive fibers and provides graphene conductive polyester fibers having good conductivity and lasting static resistance and a preparation method thereof. Through surface sulfonic acid group functionalization of graphene, graphene particles have sizes less than 1 micrometer and have good dispersibility, graphene, carbon nanotubes and a surfactant are stirred and mixed according to a mass ratio of 1-5: 1-5: 1-5: 1 and then are dispersed to form conducting particles, the conducting particles are added into polyester powder, the mixture is processed to form graphene superconducting masterbatches by a twin-screw granulation technology, and the graphene conductive polyester fibers are prepared by a spinning technology adopting a double-component composite spinning method or a single-component blending spinning method. The graphene conductive polyester fibers have the characteristics of simple production processes, low energy consumption, low labor and mass production feasibility.

A multi-colored flocked article is provided having a plurality of flock and adhesive regions. Each flock region is defined by a plurality of flock fibers that are substantially the same in color and are substantially free of light dispersants, such as titanium dioxide. Further, each flock region is of a different color relative to an adjacent flock region to form a patterned, multi-colored design. Each of the plurality of adhesive regions corresponds to a flock region and includes a colored adhesive. The color of the adhesive is at least similar or substantially similar in color to the flock fibers in the corresponding flock region.

The invention discloses a method of amphipathy fluorinated multipolymer modifying the surface of tetrafluoroethylene blownfilm. The fluorinated multipolymer is achieved by aggregating of fluorinated (methyl) ACR monomer A and (methyl) ACR monomer B. The preparing and modifying tetrafluoroethylene blownfilm is that: firstly, aggregate the fluorinated (methyl) ACR monomer A and (methyl) ACR monomer B to achieve amphipathy fluorinated random or amphiphilic block or triblock copolymer; then compound the copolymer with the tetrafluoroethylene blownfilm by the way of coating, to prepare hydrophile tetrafluoroethylene blownfilm which can achieve by stretching in one-way or two-way. The prepared hydrophile tetrafluoroethylene blownfilm not only has the characters of age resistant, resistant to chemical attack and wide applicable temperature, but also has good hydrophilicity, large water flux. The method can be suitable for the surface modifying of tabular, tubular and hollow fiber tetrafluoroethylene blownfilm.

A sight pin for use with a bow sight includes an elongate segment of fiber optic material used to form a sighting indicia at one of its terminal ends. The other end of the fiber optic member is wound upon a spool to increase the exposed surface area of the fiber optic material to increase light absorption and thus the brightness of the sight indicia.

The invention relates to a composite electrode material consisting of a carbon coated complex oxide, fibrous carbon and a binder. Said material is prepared by a method which comprises co-grinding an active electrode material and fibrous carbon, and adding a binder to the co-grinded mixture to lower the viscosity of the mixture. The fibrous carbon is preferably vapor grown carbon fibers.

The invention belongs to the technical field of a refractory castable, and particularly relates to a castable for a blast-furnace tapping channel and a preparation method thereof. The castable comprises the following components: 55-80wt% of fused brown corundum, 8-21wt% of silicon carbide, 0.01-5wt% of carbon source, 2-8wt% of alpha-alumina micro powder, 1-7wt% of fused white corundum, 0.5-5wt% of silica powder, 1-5wt% of calcium aluminate cement, 0.3-4wt% of elemental silicon powder, 0.01-0.4wt% of water reducing agent, 0-0.2wt% of organic fibers and 0-0.2wt% of aluminum powder. The preparation method comprises the steps of dry-blending the components for 10-180 seconds, additionally adding water accounting for 4-6wt% of the raw materials, and stirring for 1-8 minutes so as to obtain the castable. Carbon nanotubes are introduced to the castable for the tapping channel so as to partially or totally replace spherical asphalt and be uniformly distributed in the castable, and can be filled into tiny gaps so as to improve the compactness of the castable, so that the anti-erosion and anti-scouring properties of the castable are improved, toxic smog formed in the process of baking the spherical asphalt is reduced, and the body injury of workers and the environmental pollution caused by the toxic smog are reduced; the castable has the characteristics of excellent properties, long service life and environmental friendliness.

The invention discloses an electric transmission line monitoring communication system based on a super-distance wireless optical network. The system comprises a wireless private network communication sub-network or a wireless private network and optical fiber mixed communication sub-network, a super-distance optical fiber communication backbone network, a monitoring primary station and a system network manager. The super-distance wireless optical network is characterized in that the wireless private network and optical fiber mixed communication sub-network wirelessly converges monitoring nodes of a plurality of nearby towers in a transmission line, an OPGW (optical fiber composite overhead ground wire) optical fiber communication system realizes uplink of the multiple nodes wirelessly converged, the optical fiber convergence nodes are connected to a transformer substation through an ADSS (all-dielectric self-supporting optic fiber cable), the wireless communication sub-network converges nodes of a plurality of nearby towers from node to multiple nodes, convergence signals are transmitted to the transformer substation by a wireless node-to-node manner, and data transmission between the transformer substation and a power company headquarter is performed through the existing data networks.

The invention discloses a preparation method and application of a water-soluble carbon fiber sizing agent. The water-soluble carbon fiber sizing agent contains 3-30 parts of water-soluble polymer, 0.04-1 part of adhesive, 0.1-2 parts of emulsifier and 60-97 parts of solvent, wherein the water-soluble polymer refers to a molecule containing a great quantity of one or several of hydroxyl, amino, acylamino and carboxylic acid. The preparation method comprises the following steps: at 60-100 DEG C, adding the water-soluble polymer into the solvent to be completely dissolved, and after the temperature is moderate, adding the adhesive and the emulsifier into the solution, and stirring for dissolution to prepare an integrated solution, thus obtaining the water-soluble carbon fiber sizing agent. Materials adopted by the invention are all non-toxic; after the carbon fiber is treated by using the water-soluble carbon fiber sizing agent, the surface of the carbon fiber contains a large quantity of active functional group, so that the surface hydrophilicity and dispersibility of the carbon fiber are greatly improved, good softness and flexibility of the carbon fiber are guaranteed, and the carbon fiber can be better applied to water treatment and other aspects having requirement for good dispersibility of the carbon fiber.

The invention relates to a mask material with alginate fibers, and a preparation method and application thereof. The mask material basically consists of calcium alginate fibers, sodium alginate powder and water; wherein, the weight ratio between the calcium alginate fibers and the sodium alginate powder ranges from 1:9 to 1:0.4, and the weight ratio between the total of the calcium alginate fibers and sodium alginate powder and the water ranges from 1:100 and 1:10. Proved by experiments, the mask material with alginate fibers has the advantages of excellent moistening performance, convenient use, safety and non-toxicity.

The present invention involves a method for manufacturing an article of clothing with a permanently embedded protective covering over at least one predetermined portion of the clothing that can be worn by infants, children and adults. The protective covering is made from a thermoplastic material that is applied to and thermally bonds or co-mingles with the outermost fabric fibers of the clothing article creating a permanently embedded liquid impermeable, non-porous protective covering that retains the same flexibility as the underlying fabric of the clothing article. The protective covering can be positioned across the top front portion of the clothing article and extend downward to a lower portion of the front of the clothing article creating an easy to clean particle and dirt resistant covering for the clothing article.

The present invention discloses a host receiver synchronizer for passive optical networks, and in particular a burst clock data recovery circuit in a host receiver in a bursty asynchronous communication system having a non-data preamble of less than 250 ns, for recovering a clock signal from a subscriber data burst. The circuit comprises: an adjustable oscillator for generating an output clock signal in response to a signal at an input thereof; a first comparator for comparing a frequency and phase of the output clock signal to that of a reference signal and feeding back a first feedback signal to the oscillator input; and a second comparator for comparing the frequency and phase of the output clock signal to that of the data burst and feeding back a second feedback signal to the oscillator input once the output clock signal is locked in frequency with the reference signal. The output clock signal is locked in frequency and phase to the data burst before receipt of the last bit of the preamble. The present invention is advantageous in that the receiver circuit improves synchronized jitter performance over the prior art solutions so that additional timing margin is provided, thereby allowing longer fiber lengths to be supported.

The invention provides a cathode for a metal and carbon nano tube or carbon fiber film emitting array and a manufacturing method thereof in the microelectronic technical field. The cathode structure comprises a substrate, a bottom electrode, a resistive layer, an emitter, a knee wall, an insulating layer, a grid electrode and a forming electrode, wherein the bottom electrode layer is firstly formed on the substrate; the resistive layer is arranged on the surface of the bottom electrode layer; a composite film of metal and carbon nano tube or carbon fiber is deposited on the resistive layer as the emitter; the bottom electrode has a patterned structure on a plane; the clearance position of the bottom electrode is provided with a knee wall structure; the insulating layer is arranged on the insulating layer, while a grid electrode structure is suspended on the insulating layer; the forming electrode is arranged on the upmost layer of the whole structure; and the structure layers are all subject to patterning treatment. The cathode for the metal and carbon nano tube or carbon fiber film emitting array and a manufacturing method thereof manufacture a pattern structure by micro machining method and film technology, can realize a field emitting cathode array with complicated structure, and can be integrated with other micro machining processes by the composite plating method. The device preparing device is simple and easy, and can reduce manufacturing cost.

The invention provides a double-fiber ball-shared coupling micro-measuring-force targeting sensor with an end face micro-structure, and belongs to the technology of precision instrument manufacture and measurement. The sensor comprises a laser device, a beam expanding collimating mirror, a fiber coupling lens, a guide pipe, a microscope objective, a CCD camera, a computer and a probe composed of an incidence fiber, a coupler and an outgoing fiber with the conical end face micro-structure. The coupler serves as a contact of the probe, and light beams are led out through the outgoing fiber with the conical end face micro-structure after being led into the coupler through the incidence optical fiber. The light beams which are led out enter the CCD camera through the microscope objective. The light spot energy center positions formed by the outgoing light beams on the CCD camera can be obtained through the image processing technology, and the targeting condition of the sensor in the space can be obtained through the one-to-one correspondence relation between the light spot energy center positions on the CCD camera and the spatial positions of sensor contacts. The outgoing fiber in the probe of the sensor is provided with the end face micro-structure, the signal to noise ratio of a detection signal is greatly increased, and the measurement resolving power of the sensor is improved.

An optical amplification method which includes a spectral filtering method for selecting one of several pre-recorded spectral filter patterns and applies this filter to the spectral distribution of a multi-wavelength optical signal transmitted from an input to an output fiber. Optical filtering may be accomplished using free-space bulk optical diffractive wavelength demultiplexing, combined with a fixed (permanent) spatial pattern located in the spectrally dispersed image plane, to transfer to the optical output fiber the input signal with its spectrum selectively attenuated.

The invention discloses a konjak water-absorption fiber and its preparing method, milling the refined konjak flour by colloidal mill and then decoloring and refining to make konjak micro flour with a limiting viscosity of 450-650 cu cm/g, using water as solvent and preparing a spinning pulp with konjack micro flour concentration at 3-15% and cross-linking concentration at 0.01-0.18%; filtering and vacuum-defoaming the spinning pulp, then extruding into silks, making silk beams enter in coagulation bath, and stretching them while coagulating, wherein the stretching multiple is 1.2-2.4, and finally washing and drying to make it, having dry-state intensity up to 2.5Cn/dtex, fiber length >=25mm, water absorption >=85g(water)/g(fiber), and salt water absorption >=80(salt water)/g(fiber). The invention has the advantages of wide sources of raw materials, excellent product performance, lower production cost, but no environmental pollution, etc, being a desired material for making baby sanitary things, beauty masques, fresh keeping materials for foods, medicinal dressings, etc.

A membrane supported bioreactor arrangement and method for anaerobic conversion of gas into liquid products including membrane modules having hollow fibers packed across a cross sectional area of the membrane module, each of the hollow fibers formed from an asymmetric membrane wall having a porous outer layer defining biopores for retaining a porous biolayer about the outer surface of the membrane wall and a less permeable hydration layer around the hollow fiber lumen; a membrane vessel for surrounding the outside of the hollow fibers with a process gas from a gas supply conduit; and a liquid supply conduit operably connected to the hollow fibers for supplying a process liquid to the hollow fiber lumens. The gas supply conduit enables the formation of a biolayer on the outer surface of the hollow fiber wall by interaction of microorganisms with the process gas and the production of a liquid product.

This invention relates to a cut resistant tire side-wall component and processes for making such components, and a tire containing such component, the side-wall component comprising a textile fabric wherein a single layer of said fabric provides multi-directional cut resistance in the plane of the fabric,

the fabric comprising at least one ply-twisted yarn having

• • i) at least one single yarn having a sheath/core construction, the sheath comprising cut-resistant polymeric staple fibers and the core comprising an inorganic fiber, and
  • ii) at least one single yarn comprising cut resistant staple fiber and at least one continuous elastomeric filament and being free or substantially free of inorganic fibers; and

the fabric further having a coating for improved adhesion of the fabric to rubber such that the cut resistant tire side-wall component has a free area of from 18 to 65 percent.

The preparation of functionalized reduced graphene oxide (RGO) composite materials on various fibrous substrates has been proposed. The functionalized RGO composite fibrous materials absorb various types of oils efficiently within 20 seconds, with great absorption capacity. The maximum absorption capacity values for bicycle chain oil and used motorcycle engine oil are 880.8% and 839.1%, respectively. Simply squeezing the functionalized RGO composite materials allows the removal of the absorbed oil for reuse. The functionalized RGO composite fibrous materials have been used to efficiently separate oil/water mixture through a flowing system. Having the advantages of faster absorption rate, reusability, and low-costs, the functionalized RGO composite fibrous materials holds great potential as a superabsorbent for efficient removal and recovery of oil spills, and for separation of water/oil mixtures.