653results about How to "Improve composite effect" patented technology

This invention concerns an elastic multilayer composite, comprising an elastic film layer sandwiched between a first elastic nonwoven layer and an optional second elastic nonwoven layer, and a process for making the same. The laminate is stabilized via bonding according to either: adhesive bonding between the film and nonwoven layer(s), direct extrusion lamination of the film to one or more nonwoven layer(s), or attachment of the film to one or more of the nonwoven layers at a plurality of points via thermopoint bonding. This invention also concerns a process for manufacturing an elastic multilayer composite, comprising: bonding under neutral tension or substantially neutral tension at least one elastic film layer to at least one elastic nonwoven layer. This invention also concerns a process for manufacturing an elastic multilayer composite, comprising: bonding under differential tension or stretch at least one elastic film layer to at least one elastic nonwoven layer, where either the film or the nonwoven or both are stretched Further the invention relates to a process whereby the elastic nonwoven(s), the film, the composite or any combination is activated, especially stretch activated, to create or enhance elasticity or the touch of the nonwoven, to create pores in the elastic film, or to soften the composite.

A prefabricated asphalt-based waterproof roofing membrane for use in a multi-ply asphalt-based commercial roofing system, e.g. a cap sheet that forms the exposed layer of a multi-ply built-up roofing system, is manufactured at a factory to have a highly reflective non-asphalt based elastomeric top coating layer with an upper surface that meets current EPA Energy Star requirements. Preferably, a polymer primer layer is interposed between the highly reflective coating layer and an asphalt saturated and coated reinforcing substrate to keep oils and other colored components in the asphalt from exuding into the highly reflective coating layer.

The invention discloses a method for synthesis of a cobalt nanoparticle and bamboo-like nitrogen doped carbon nanotube composite material. The method includes: dissolving a soluble cobalt salt and an amine polymer in a hydrophilic reagent according to a mole ratio of 1:(2-200), performing evaporation at 60DEG C, conducting grinding after cooling, performing calcination at 400-1400DEG C under nitrogen atmosphere, then treating the sample with acid, and carrying out washing, centrifugation and drying so as to obtain the cobalt nanoparticle and bamboo-like nitrogen doped carbon nanotube composite material. The obtained cobalt nanoparticles have small particle size and are employed to coat the head of a carbon nanotube evenly so as to combine tightly with the carbon nanotube. The composite material has application prospects in fuel cell anode materials, lithium ion battery cathode materials and the like. The method designed by the invention has the advantages of easily available raw materials, simple process and no pollution, short preparation period, mild reaction conditions, low cost, and mass synthesis capability, etc.

The invention relates to shear thickening fluid based on a molecular colloid, as well as a preparation method and an application of the shear thickening fluid. The shear thickening fluid consists of an organic solvent and a molecular colloid system formed by inorganic nano grains, boric acid, hydroxyl silicone oil and a plasticizing agent, and is used for dipping high-property fiber fabric and preparing a protective material to improve a puncture-proof property of the material; the preparation technology is simple; the preparation period is short; the controllability of an operation is high; the stability of the property of a product is improved; the energy consumption is reduced; and moreover, large-scale production is facilitated.

A composite ion exchange membrane having a high swelling resistance and being superior in mechanical strength and ion conductivity can be provided by means of an composite ion exchange membrane including an ion exchange resin composition and a support membrane having a continuous pore penetrating the support membrane, wherein the support membrane is one which accepts the ion exchange resin composition within the pore, and wherein the ion exchange resin composition is one which contains an ion exchange resin containing, as a main component, an aromatic polyether and/or its derivative, the aromatic polyether being obtained by mixing a compound having a specific structure, an aromatic dihalogenated compound and a bisphenol compound with a carbonate and/or a bicarbonate of an alkali metal and polymerizing the mixture in an organic solvent.

Polyimide copolymers were obtained containing 1,3-bis(3-aminophenoxy)benzene (APB) and other diamines and dianhydrides and terminating with the appropriate amount of reactive endcapper. The reactive endcappers studied include but should not be limited to 4-phenylethynyl phthalic anhydride (PEPA), 3-aminophenoxy-4'-phenylethynylbenzophenone (3-APEB), maleic anhydride (MA) and nadic anhydride (5-norbornene-2,3-dicarboxylic anhydride, NA). Homopolymers containing only other diamines and dianhydrides which are not processable under conditions described previously can be made processable by incorporating various amounts of APB, depending on the chemical structures of the diamines and dianhydrides used. By simply changing the ratio of APB to the other diamine in the polyimide backbone, a material with a unique combination of solubility, Tg, Tm, melt viscosity, toughness and elevated temperature mechanical properties can be prepared. The copolymers that result from using APB to enhance processability have a unique combination of properties that include low pressure processing (200 psi and below), long term melt stability (several hours at 300 DEG C. for the phenylethynyl terminated polymers), high toughness, improved solvent resistance, improved adhesive properties, and improved composite mechanical properties. These copolyimides are eminently suitable as adhesives, composite matrices, moldings, films and coatings.

Composite material having carbon fibers embedded in a polymeric matrix comprising a thermoset resin, where the carbon fibers are precoated with a sizing agent comprising a saturated polyurethane or polyhydroxyether before being embedded in the resin. The invention also contemplates processes for making this composite material and intermediate products thereof.

The invention relates to a method for modifying the surface of carbon fiber coated with nano sol through plasma treatment, which comprises the following steps: firstly, nano particles are prepared into an organic solvent, a sol solution of water or a sol solution prepared by hybridization reaction of a precursor solution of organic-inorganic nano particles by the ultrasonic vibrating technology; secondly, the sol solution is coated on the surface of the carbon fiber, treated by means of spray coating and padding, and dried; and thirdly, the dried carbon fiber is placed on a special transport unit for plasma processing equipment and a plasma is sprayed on the surface of the carbon fiber to make the carbon fiber move in the plasma atmosphere, so as to generate surface modification, wherein the treating power is between 10 and , watts, and the treatment time is between 0.5 and 300 seconds. The method can effectively improve the performance of the fiber, improves the molded manufacturability and the overall properties of composite materials of the fiber, has simple technology, quick processing speed, good treatment effect and low cost, is convenient to operate and difficult to cause environmental pollution, can reduce energy consumption, and is suitable for industrial production.

The present invention provides a thermoplastic composite comprising: a polyolefin; a cellulosic filler; a carboxylic acid and/or carboxylic acid anhydride graft polyolefin having an acid number greater than 15 mgKOH/g; and, a basic reactive filler present in an amount of 5-25 wt %, based on the weight of the composite. Such composites may be used in structural and non-structural applications and exhibit improved mechanical properties, thermal properties and/or resistance to biological degradation.

The invention relates to a production method and production equipment for full-automatically aligning and gluing a name plate. The method comprises the following steps of: 1, feeding; 2, detection and correction; 3, die cutting and waste punching; 4, waste discharging; 5, aligning and gluing; and 6, material collection. The production equipment comprises a composite feeding component, a loading component, a punching and die cutting machine, a waste punching mechanism, a driving roll mechanism, a driven roll pressing and discharging mechanism, a driven pressing and feeding mechanism, a waste collection shaft mechanism, a collection and discharge shaft mechanism and a photoelectric sensor, wherein the punching and die cutting machine is used for performing the die cutting process of the die cutting and waste punching by using a wood plate cutter as a cutting die; the waste punching mechanism is used for performing the punching process of the die cutting and waste punching; and the driving roll mechanism, the driven roll pressing and discharging mechanism and the driven pressing and feeding mechanism are assembled together through a machine shell. The method and the equipment have the advantages of improving the production efficiency, overcoming the potential safety hazard, improving the machining accuracy and the machining quality of the product, saving a large amount of cost and ensuring high safety of the complete machine.

The present invention is directed to improved composite action walls having an insulation wythe sandwiched between structural wythes. The structural wythes provide the load-bearing function and prevent the collapse of the wall under high wind loads. The structural wythes demonstrate composite action existing between the structural wythes such that an improved, stronger and less expensive wall may be constructed. The present invention is also directed to an insulation wythe, which is useful in the composite action wall of the present invention, having grooves formed therein such that the material of the structural wythes flow into the groove to form a mechanical bond between the structural wythes and the insulation wythe. The walls of the present invention are simple to manufacture and provide a verifiable and consistent composite action between about 50% to about 100% composite action.

The invention discloses a loaded multifunctional catalysis composite material, a preparation method thereof and an application of the composite material to catalytic removal of water pollutants. The preparation method includes the steps: preparing a zinc oxide nano-sheet loaded nickel foam (Ni@ZnO) composite material by an electro-deposition method; compounding molybdenum disulfide micro-nano particles on ZnO porous nano-sheets by an electro-deposition method to obtain Ni@ZnO/MoS₂. The composite material Ni@ZnO/MoS₂ combines the advantages of components such as nickel foam, the zinc oxide nano-sheets and molybdenum disulfide from the point of material performances, high catalytic degradation activity and recycled performances are achieved, photo-catalysis and electro-catalysis are combined from the point of material application, and the catalytic activity of the composite material is improved by the aid of synergistic effects of photo-catalysis and electro-catalysis.

The invention provides a ribbed steel engraved mesh for a cast-in-place cavity floor. The ribbed steel engraved mesh is composed of an engraved mesh, a supporting mesh and an engraved end mesh; the engraved mesh, the supporting mesh and the engraved end mesh all are made of a pure metal material; the engraved mesh forms a periphery of the ribbed steel engraved mesh; the engraved end mesh closes the ribbed steel engraved mesh and the supporting engraved mesh to form an engraved end section shape of the ribbed steel engraved mesh; the supporting mesh controls a height of an internal space of the ribbed steel engraved mesh; the engraved mesh and the engraved end mesh are fabricated from steel mesh bodies, and each steel mesh body comprises steel sheet dilated mesh holes, a V-shaped rib and a steering connecting piece; the dilated mesh holes on two sides of the steering connecting pieces are not in the same direction; the V-shaped rib is greater than 6mm high; at least four measuring fixed marks are formed by pressing on the V-shaped rib of the steel mesh body of the engraved mesh in a vertical direction; and the supporting mesh is a steel mesh body or a reinforcing mesh body; the ribbed steel engraved mesh is used for casting the cavity floor, and the ribbed steel engraved mesh is directly buried in concrete cast in place at edges of a cavity to achieve a suppression effect on temperature cracks of the floor.

A composite molecular sieve membrane, preparation method and use thereof are provided in the embodiments. The composite molecular sieve membrane includes a support layer and a molecular sieve membrane layer, wherein the support layer is a high-porosity and porous ceramic which is made of nano- or submicron ceramic powder materials or ceramic material precursors prepared through an electrospinning process. The high-porosity and porous ceramic, is adjustable from 40% to 83%. The composite molecular sieve membrane of the embodiments uses the porous ceramic prepared through an electrospinning process as the support layer, and the support layer has a flat and continuous surface, high porosity, uniform and adjustable pore sizes, low-tortuosity pore channels, and high mechanical strength; the flux of the composite molecular sieve membrane is increased, besides, the seed crystals can attach effectively due to the fibrous pore channels of the support layer, ensuring the adhesion amount of seed crystals.

The invention discloses a wood-plastic composite material, which is prepared from the following raw materials in percentage by weight: 1-70% of modified wood powder, 25-99% of polymer matrix and 0-5% processing aid. The invention also discloses a preparation method of the wood-plastic composite material. The method is as follows: fluorine silane coupling agent is utilized to carry out treatment on surface of the wood powder, the modified wood powder and the polymer matrix are melted and compounded to prepare the wood-plastic composite material, and the wood powder is pretreated by alkali liquor to remove unstable substances, such as semi-cellulose and esters with small molecules, in the wood powder, thus enhancing the composite effect and the mechanical property of lignocellulose to the polyolefin matrix and obtaining excellent mechanical property, low water absorption capacity, and better apparent form; in addition, the operation of the preparation method is simple, and the method is applicable to industrial production.