483results about How to "Continuous process" patented technology

A method for identifying at least one threat to the homeland security. Each threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit. Each threat while interacting with its surrounding generates a unique threat signature.

The method comprises the following steps: (A) detecting at least one threat signature; and (B) processing each detected threat signature to determine a likelihood of at least one threat to become a threat to the homeland security.

The invention relates to a high-performance halogen-free flame retardant ABS modified resin and a preparation method thereof. The resin comprises the following components with the content (in parts by weight): 100 ABS resin, 4-30 polyamide, 5-25 phosphate fire retardant, 0.1-0.5 anti-drippage agent, 5-10 toughening agent, 1-5 nano filler, 1-5 compatilizer, 0.2-1 antioxidant, 0.1-0.5 light stabilizer and 1-5 processing agent. Compared with the prior art, the invention has reasonable technique, and overcomes the defects of poor flame retardant property and low impact strength of the existing halogen-free flame retardant ABS; and the invention adopts a novel high-efficiency halogen-free flame retardant compounding synergism technology, a novel polyamide coal-forming agent, the high-efficiency synergism between organic and inorganic fire retardants, and the master batch method processing technique, thus endowing the resin with high fire resistance on the basis of improving the original good performances (especially the impact performance) of the ABS resin, and having wide application prospect.

The invention discloses a heat resistant flame-proof ABS type resin and its preparing process, wherein the constituents include (by mass portions) ABS type resin 100 parts, flame retardant 2-30 parts, heat-proof modifier 5-20 parts, flexibilizer 1-10 parts, optical-thermal stabilizing agent 0.2-2 parts, and fabrication auxiliary agent 1-5 parts. The resin can substitute engineering plastics to be applied to situations for high requirement of flame-proof and heat resistance properties.

The systems and methods of the invention relate to providing a computer device, having a display unit, with an accelerometer (or other motion sensor) to detect movement of the computer device (and/or an associated display unit) and generate movement data. An accelerometer driver may receive the generated movement data. The generated movement data may be processed and/or interpreted in order to create one or more control signals. The control signals may be sent to a display driver to control movement of one or more selected display objects on one or more display units. The control signals may control movement of selected display objects on a screen display (or between multiple screen displays) associated with the computer device.

The invention relates to a low-L value (less than 27) inflaming retarding ABS modified resin and a preparation method thereof. The resin comprises the components with the content (based on parts by weight): 100 parts of ABS resin, 10-25 parts of brominated flame retardant, 20-40 parts of inorganic inflaming retarding master batch, 0.1-0.5 part of anti-dripping agent, 0.2-1 part of antioxidant, 0.1-0.5 part of light stabilizer, 1-3 parts of lubricating agent and 1-4 parts of black master batch. Compared with the prior art, the invention has reasonable technique, overcomes the defect of high L value (namely, low degree of blackness) of the existing inflaming retarding ABS resin, and adopts the novel high-efficiency inflaming retarding synergistic effect technology. The invention leads the resin has higher degree of blackness by reasonably selecting the grain diameter of antimony trioxide, a carbon black lubricating dispersion system and the processing technique of a master batch method on the basis of maintaining the excellent performance of the inflaming retarding ABS resin, and has wide application prospect in the field of the requirement of high degree of blackness.

The invention relates to a high-fluidity polyester composition and a preparation method, wherein the composition comprises the following components in parts by weight: 24 to 100 parts of thermoplastic polyester, 0.1 to 5 parts of flow promoter, 0.1 to 1 part of antioxidant, 0 to 15 parts of toughening agent and 0 to 50 parts of inorganic reinforced material, and the preparation method comprises the following steps: uniformly stirring and mixing the thermoplastic polyester, the flow promoter, the toughening agent and the antioxidant according to the proportion through a high-speed mixer, sending into a double-screw extruder through a main feed opening, subsequently adding the inorganic reinforced material into the extruder through a lateral feed opening, extruding and pelletizing to obtain a product. Compared with the prior art, the invention has the advantages of simple and continuous flow, high production efficiency, stable product quality and the like.

The invention relates to a continuous mining technique for a thin coal layer of an opencast coal mine. Aiming at a stratum condition and a reserve situation of the thin coal layer of the opencast coal mine, a plurality of mining areas are arranged; steps of digging, crushing, transferring, conveying and storing are adopted; an opencast coal mine continuous mining machine, an opencast coal mine traveling type feeding crusher, a long-span bridge type reversed loader, a travelling reversed loader, a short-span bridge type reversed loader, a discharging trolley, a working surface belt conveyer and a machine alley externally-used belt conveyer are integrated; and a production mode combining digging, crushing, conveying, discharging and storing is formed. The coal mining technique is advanced; the devices are scientific and rational; equipment are compact and continuously arranged and are safe, stable and reliable; the mining efficiency is high; multi-stage transferring is realized; coals can be smoothly conveyed; and the continuous mining technique for the thin coal layer of the opencast coal mine is very ideal.

The invention discloses an industrial sludge treatment method and a method for preparing various fertilizers by using the treated industrial sludge. The industrial sludge treatment method comprises the following steps of: after industrial sludge is diluted, adding a heavy metal ion capturing and precipitating agent DTCR and reacting the agent with heavy metal ions in waste solution so as to generate water-insoluble chelated salt; adding a polyacrylamide flocculating agent to ensure that the chelated salt forms flocculent precipitates; and removing the flocculent precipitates to obtain sludge water, and adding potato water into the sludge water to ferment the sludge. The method for preparing various fertilizers by using the treated industrial sludge comprises the following steps of: preparing a powdery biological bacterial fertilizer by taking the sludge water obtained from the treated sludge as a raw material; and preparing a granular organic fertilizer and a fertilizer for changing saline and alkaline lands into fertile farmlands by taking the powdery biological bacterial fertilizer as a raw material. The industrial sludge treatment method has low cost and does not cause secondary pollution to the environment. The biological bacterial fertilizer and the granular organic fertilizer which are produced by the invention are used in lands of various areas, the yield is improved by 15 to 20 percent; and the fertilizer for improving the saline and alkaline lands has extremely obvious saline and alkaline transformation effect.

The present invention relates to three-in-one equipment of filtering, washing and drying, which is provided with a pot body, a chassis, a supporting seat, a pot body attachment and an insulation layer. The equipment is characterized in that the pot body is also provided with a stirrer which can be lifted; a coiled pipe type heater is arranged on the side walls of the pot body and the chassis; the bottom of the pot body is provided with a filter disc; and the side at the bottom of the pot body is provided with a hydraulic pressure material outlet device. The equipment can achieve the functions of filtering, washing and drying under airtight environment. At the time of achieving a continuous process, harmful gas can not volatilize so as to not generate harm to operation workers because the equipment is airtight. Material discharge is achieved by back pushing the materials through a stirring blade, and automatic material discharge is achieved through the hydraulic pressure material outlet device. Compared with a manual material outlet device, the equipment greatly reduces labor intensity of workers.

Processes are provided for producing organchlorosilanes and dipodal silanes in which an organic halide or alkene or chloralkene is reacted with a hydridochlorosilane in the presence of a quarternary phosphonium salt catalyst by providing sufficient heat to effect a dehydrohalogenative coupling reaction and/or a hydrosilylation reaction and venting the reaction to control reaction pressure and to remove gaseous byproducts from the reaction. The processes are preferably continuous using a catalyst in fluid form at reaction pressures not exceeding about 600 psi. The reactions may be carried out substantially isothermally and/or isobarically, for example in a plug flow reactor or continuous stirred tank reactor. The processes may produce novel silylated compounds including 1,2-bis(trichlorosilyl)decane or 1,2-bis(trimethoxysilyl)decane.

The invention provides a hydrophobic silicon dioxide/polyimide aerogel composite material. The hydrophobic silicon dioxide/polyimide aerogel composite material comprises hydrophobic modified silicon dioxide aerogel and polyimide aerogel, wherein the polyimide aerogel is used as a substrate of the composite material, and hydrophobic modified silicon dioxide aerogel fillers are embedded into pores of the polyimide aerogel. According to the hydrophobic silicon dioxide/polyimide aerogel composite material, the silicon dioxide aerogel is added to the polyimide aerogel; the polyimide aerogel is usedas the substrate and a framework of a composite heat insulation material to realize the supporting reinforcing effect, so that the mechanical strength of the composite heat insulation material is improved; and the silicon dioxide aerogel is used as the filler and has the hydrophobic function and outstanding heat insulation performance, so that the heat insulation effect is realized in the composite material. The hydrophobic silicon dioxide/polyimide aerogel composite material comprehensively considers the physical performance and the mechanical performance of the composite heat insulation material and has the advantages of being high in strength, high in high temperature resistance, low in volume weight, low in heat conductivity, and high in waterproofing performance, and meets the requirements on performances of the heat insulation material in actual application.

The invention discloses a method for continuously preparing white carbon black and ammonium fluoride by carrying out fluosilicic acid ammoniation, which relates to a chemical production method, in particular to a method for preparing the white carbon black and the ammonium fluoride. The method comprises the following steps: (a) at a temperature between minus 5 and 30 DEG C, starting a stirrer and an air compressor, blowing compressed air into an outlet pipe of a reactor by the air compressor and adding fluosilicic acid and ammonia into the reactor simultaneously; (b) when the fluosilicic acid and the ammonia are added to the position of an overflow pipe in the reactor, opening an emptying valve to continuously feed and discharge materials and controlling a PH value of the reaction, wherein the period of the continuous reaction is 24 hours; (c) in the reaction process, filtering the materials discharged by the step (b) to obtain a white carbon black filter cake and filtrate of ammonium fluoride, and washing and drying the white carbon black filter cake to obtain a white carbon black finished product, wherein the filtrate is ammonium fluoride solution; and (d) after performing a reaction for 24 hours in the reactor, emptying the materials, cleaning the reactor to be used next time and producing the white carbon black finished product by using the materials according to the step (c), wherein the ammoniation yield of the process can reach 99.99 percent. The method of the invention effectively overcomes the defects of the existing intermittent technology and has the advantages of continuous, stable and simple process and long operation period.

The invention discloses a preparation method of a hollow fiber nanofiltration membrane, and provides the preparation method of the hollow fiber nanofiltration membrane continuous in technical process, uniform in nanofiltration functional layer and few in deficiencies. The method comprises the following steps of: using polyelectrolyte aqueous alkali as an outer coagulating bath and a mixed liquor of water and a solvent for the coagulating bath as an inner coagulating bath, spinning and forming a hollow fiber nanofiltration membrane spinning and membrane forming system through a hollow spinning nozzle and a double diffusion process, and initially curing and forming a hollow fiber membrane; and adding the initially cured hollow fiber nanofiltration membrane into an aqueous liquor of polyamine, erasing the suspended liquid on the surface, adding the membrane into an organic liquor of polyacyl chloride, and drying and curing the membrane to obtain the hollow fiber nanofiltration membrane. The method provided by the invention is continuous in technical process, uniform and controllable in nanofiltration functional layer and few in defects, and has a wide prospect in the fields of seawater and brackish water desalination, treatment and recovery of sewage and wastewater, preparation of ultrapure water and the like.

The invention discloses a high-heat-resistance high-toughness ABS (acrylonitrile-butadiene-styrene) resin and a preparation method thereof. The high-heat-resistance high-toughness ABS resin comprises the following components in parts by weight: 30-90 parts of ABS resin, 10-50 parts of heat resisting agent, 5-30 parts of toughener, 5-20 parts of compatilizer, 0.5-1 part of antioxidant assistant and 1 part of processing assistant. The high-heat-resistance high-toughness ABS resin is prepared by a double-screw extrusion technique; the preparation technique has the advantages of simple and continuous process and high production efficiency, can greatly enhance the heat resistance temperature of the ABS, well maintains the toughness of the universal ABS, and can partially be substituted for a PC (polycarbonate)/ABS alloy material.

The invention relates to technical field of PCBs and particularly relates to a production method of a local-thick copper PCB. The production method comprises the following steps of A, drilling, namely drilling on a circuit board; B, primary copper plating; C, secondary copper plating, namely pasting a primary dry film, exposing, developing, and then, carrying out secondary copper plating treatment on the circuit board; D, local thick copper plating, namely pasting a secondary dry film, exposing, developing, and then, carrying out thick copper plating treatment on the circuit board; E, secondary dry film deplating; F, tin plating; and G, primary dry film deplating, etching and tin deplating treatment. According to the production method, secondary copper plating is carried out through covering a region to be etched by using the primary dry film, and then, the region except for the regions where thick copper is needed to be plated are covered by the secondary dry film, so that the process is continuous, local thick copper plating can be realized favorably through only selecting the dry films with proper thicknesses and controlling proper film deplating parameters, and the process flow is simplified; the films can be pasted on a plane every time, so that the films are firmly pasted, the rate of good products is increased, and the quality of the local-thick copper PCB is improved.

The invention relates to a polyester composition with low fog value and a preparation method thereof. Hypocrystalline thermoplastic polyester, micromolecule absorbent, long lasting stabilizing agent, antioxidizer, nucleating agent and toughener are evenly mixed at the mixture ratio according to the parts by weight, and then stirred by a high-speed mixer; the mixture is transmitted into a double screw extruder by main feeding, and then mineral filling material is added into the extruder from side feeding; finally, granules are extruded, and the product is obtained. The finished piece material of the polyester composition with low fog value can be maintained for 24h at the temperature of 150-185 DEG C, and the light transmission rate of a glass sheet which is fogged is reduced by 0-5%. Furthermore, the preparation operating process is simple and continuous, and has high production efficiency and stable product quality.

The invention discloses a polypropylene composite material and a preparation method thereof, wherein the material includes, by weight, (a) 40-85% of polypropylene resin, (b) 5-30% of a toughening agent, (c) 5-40% of a filling material, (d) 0.1-1% of a composite antioxidant, and (e) 0.1-1% of a processing aid. The preparation method includes the steps of (1) weighing the material according to the weight ratio of 40-85% of the polypropylene resin, 5-30% of the toughening agent, 5-40% of the inorganic material, 0.1-1% of the composite antioxidant, and 0.1-1% of the processing aid; (2) mixing the raw materials in a high-speed mixer uniformly; and (3) performing extrusion in a double-screw extruder to obtain a blended substance. The polypropylene composite material is excellent in anti-impact performance, is high in toughness at normal and low temperatures, is excellent in notch impact strength and is excellent in heat resistance and rigidity.

The invention discloses an ASA (acrylonitrile-styrene-acrylate) resin with favorable appearance performance and a preparation method thereof. The ASA resin comprises the following components in parts by weight: 10-50 parts of SAN (styrene-acrylonitrile), 50-90 parts of ASA crosslinking-modified graft copolymer, 0.2-0.6 part of light stabilizer, 0.2-1 part of antioxidant and 0.2-2 parts of lubricant. The preparation method comprises the following steps: stirring and mixing the raw materials, and sending the mixture into a double screw extruder; and under the actions of delivering, shearing andmixing of the screws, melting and compounding the material, extruding, drawing, cooling, and granulating to obtain the ASA resin with favorable appearance performance. The invention solves the problems of uneven luster, high tendency to irisation and white spotting, and low coloring power in the existing injection-molding ASA resin, thus has excellent appearance performance, and greatly widens the application range of the ASA resin in the fields of building materials, automobiles, electronic and electrical engineering, outdoor supplies, sports equipment and the like.

The halogen-free flame retardant ABS resin consists of ABS resin 100 weight portions, polyphenylene oxide 2-30 weight portions, phosphonate 5-20 weight portions, epoxy resin 1-10 weight portions, light and heat stabilizer 0.2-2 weight portions and processing assistant 1-5 weight portions. The halogen-free flame retardant ABS resin has the excellent performance of ABS resin maintained, flame retardant property, and the synergistic flame retarding effect of different flame retardant components. The preparation process of the halogen-free flame retardant ABS resin is also disclosed.

The present invention discloses an ordered carbon nano-tube reinforced aluminum matrix composite material and a preparation method thereof. The composite material comprises aluminum or an alloy thereof adopted as a matrix material and carbon nano-tubes orderedly dispersed in the matrix material. The method comprises: carrying out cross-lamination on plural ordered carbon nano-tube thin film layers and plural aluminum layers or aluminum alloy layers, and carrying out hot rolling to form the ordered carbon nano-tube reinforced aluminum matrix composite material, wherein the ordered carbon nano-tube thin film layer is formed by the plural orderly-dispersed carbon nano-tubes. According to the present invention, the ordered carbon nano-tube thin film such as the superaligned nano-tube thin film and the like is adopted to carry out lamination and hot rolling with the aluminum foil to prepare the composite material so as to achieve orientation distribution of the carbon nano-tubes in the aluminum matrix, completely provide excellent mechanical property and functional characteristics of the carbon nano-tubes, achieve mechanical enhancement and function modification on the aluminum matrix composite material, combine with the hot rolling molding, and provide important practical application prospects.