88results about How to "Adapt to environmental requirements" patented technology

The invention relates to waterborne polyurethane coating transfer synthetic leather and a manufacturing method, belonging to the technical field of synthetic leather and manufacturing methods. The manufacturing method of the waterborne polyurethane coating transfer synthetic leather is characterized in that the waterborne polyurethane coating transfer synthetic leather is manufactured by sequentially including the following steps: base cloth, surface formation by dry coating transfer, curing, separation of paper and leather, inspection and storage. Compared with solvent based polyurethane, thewaterborne polyurethane coating transfer synthetic leather has equivalent physical properties of the product, meets the requirement of application, uses the environmentally friendly waterborne polyurethane so that organic solvent which is harm to environmental protection is not contained in the product, and simplifies the production process because the working procedure of DMF recycling needed bysolvent-based products is reduced in a production process, thereby saving energy, protecting environment, meeting the restrictive requirements of foreign countries on the environmentally friendly polyurethane leather, reducing the quantity demand on production personnel, alleviating harm to human bodies, lowering the production cost and enabling the market competitiveness of the product to be strong.

The invention discloses a polyurethane resin compound ink and preparation method thereof, comprising polyurethane resin, chloride-vinyl acetate resin, solvent, dye and dispersing auxiliary, wherein the solvent comprises methyl benzene, butanone, isopropyl alcohol. The composition of the polyurethane resin compound ink is: polyurethane resin liquor (30% solid content) 25-40%, chloride-vinyl acetate resin 0-4%, dye 5-25%, dispersing auxiliary 0.2-0.5%, methyl benzene 0-20%, butanone 25-35%, isopropyl alcohol 5-15%. The invention provides polyurethane resin compound ink with wide application range, good thermal stability, good adhesion and no aromatics solvent, in order to conquer the lacks such as not environment protection, narrow application range and bad thermal stability.

The invention discloses a LED tunnel light. It includes shell and lighting module. The former includes lamp body fixed structure. The latter includes lens shade formed by lens array which formed by astigmatism convex and condense edge. The astigmatism includes light incidence and emergent planes. The lamp body fixed structure includes fixed frame and fixed plated surface. The invention can control the light distribution to make faculae form rectangle, have even illumination in effective area, little or no parasitic light out the area.

The present invention provides a quicklime slaking system, including a hopper, a feeder, a screw conveyor, and a tertiary slaker. The feeder is arranged below the hopper. The screw conveyor is connected below the feeder. A primary slaker is connected with the lower end of the screw conveyor. A secondary slaker and the tertiary slaker are sequentially connected below the primary slaker. The primary slaker is provided with a water inlet pipe. The water inlet pipe is sequentially designed with a water feeding valve, a flow meter and a flow control valve. The system controls the moisture content of the final product slaked lime by adjusting the amount of inflow water, therefore the quicklime is slaked into fluffy lime powder.

The invention discloses an anti-cracking environmental-friendly coating, which is characterized in that the anti-cracking environmental-friendly coating is formed by components with the following percentage by weight, such as water 30-35%, promoter 5-10%, powder 20-30%, elastic pure acrylic emulsion and silicon dissolvent 20-30%, strong anti-cracking fiber 5-10% and colored stone sand 20-30%. The invention also discloses a process for preparing anti-cracking environmental-friendly coating. The anti-cracking environmental-friendly coating has the advantages of excellent anti-cracking effect, low production cost and the like.

The invention discloses a calcination-free desulfurized gypsum dry mixed mortar, pertaining to the production field of preblended dry mixed mortar used for building. The dry mixed mortar is produced by the following ingredients by weight proportion: 30-50 portions of desulfurized dehydrate gypsum; 10-15 portions of hydraulic cementing materials, 50-60 portions of aggregate, 1-5 portions of unslaked lime and 0.1-0.3 portion of water retention agent and 0.3-0.5 portion of anticracking agent. Compared with the prior art, the calcination-free desulfurized gypsum dry mixed mortar is characterized by energy saving, environmental protection, low material cost and the like.

The invention discloses an H-bridge drive device of an electric power steering motor of an auto. The device comprises an H-bridge drive module, an H-bridge module, an undervoltage protection module, a motor armature current feedback module, an MOS tube on-bridge drain current monitoring and protecting module and an MOS tube down-bridge drain-electrode current monitoring and protecting module; each arm of the H-bridge module adopts the structure of the parallel connection of three N-channel MOS tubes; the drain electrodes of the three N-channel MOS tubes are connected together, the source electrodes are connected together, and the grid electrodes are connected together after being respectively connected with a resistor in series; the device reduces the power loss of the MOS tubes, enhances the drive efficiency of the H bridge and the reliability of the system, and can effectively avoid the influences of the emergency switching of the motor, the abrupt increase of the pulse current of the MOS tubes, and the abrupt change of armature current of the motor due to the special working conditions such as emergency large turning of an electric power steering system on the steering system, thus having high integration degree, good reliability, convenient use and being applicable to the requirement of safety, energy-saving and environment protection of the auto industry.

The invention discloses dry-mixed masonry mortar for industrial dust, belonging to a premixed dry-mixed masonry mortar material for a building. The dry-mixed masonry mortar is prepared from the following ingredients in parts by weight: 8-12 parts of cement, 10-20 parts of industrial dust, 0-3 parts of coal ash, 65-82 parts of aggregate, 0.3-0.5 part of compound activator, 0.08-0.1 part of compound water-retaining agent, 0.1-0.2 part of crack-resisting agent and 0-0.3 part of water repellent agent. Compared with the prior art, the dry-mixed masonry mortar can be additionally added with 10-20 percent fine powder with granularity of less than 200mu without causing cracking, therefore, the traditional provision that the addition amount of the fine powder with the granularity of less than 200mu is not more than 4 percent is thoroughly broken, and a bran-new path for utilization of industrial dust is developed.

The invention relates to a resourcable volatile organic tail gas treating method. According to the method, tail gas containing VOCs enters into a gas-liquid separator at first; then a separated gas phase enters into a spray chamber through the output end of a fan for treatment; gas without pollutants is discharged into an adsorption chamber from the top of the spray chamber for further purification and is then discharged into the atmosphere; a spraying agent rich solution is discharged from the bottom of the spray chamber and enters into a separation chamber after heat exchange in a heat exchanger; an organic pollutant mixed gas phase is emitted from the top of the separation chamber, carries a part of a spraying agent for condensation when passing through a condenser and then returns to the separation chamber, and the rest uncondensed gas phase is condensed by a deep freezer and then recovered to a pollutant storage tank; a vacuum adjusting system is arranged behind the deep freezer; the low part of the separation chamber is connected with a heating pot; a spraying agent lean solution obtained after thermal separation is conveyed by a pump to the spray chamber for cyclic usage after cooled by the heat exchanger. The treating method has wide applicability and can be used to treat high-low concentration VOCs tail gas in places with different pollution degrees; and a skid-mounted structure of an apparatus can be moved according to needs at a pollution site.

The invention discloses dry-process desulphurized fly ash dry-mixed mortar, which belongs to the field of pre-agitated dry-mixed mortar materials for buildings. The mortar is formed by mixing the following materials in a ratio by weight: 8-12 parts of cement, 15-20 parts of dry-process desulphurized fly ash, 68-77 parts of aggregate, 0.25-0.4 part of composite excitant, 0.07-0.1 part of compositewater retaining agent, 0.2-0.3 part of composite anti-cracking agent and 0-0.3 part of water repellent agent. Compared with the prior art, the dry-process desulphurized fly ash dry-mixed mortar adopts extremely fine ash formed by a dry-process desulfurizing technology as a main material and has the characteristics of energy saving, environment friendliness, low material cost and the like.

The invention relates to redispersable polyarylether sulfone micro-powder and the preparing method, belonging to the high molecular polymer field.The elementary composition is polyarylideneethersulfone with repetitive units or polyarylideneethersulfone with repetitive units and with side group, containing surface active agent, the average granule diameter is 0.01~10mum.The preparing process comprising putting the polyarylether sulfone into the mixed solution of organic solvent and assisting solvent; putting the ionic surface active agent into water for rapid dispersion, dispersing the solution of polyarylethersulfone, and getting the emulsion of polyarylethersulfone; evaporating the organic solvent, and then spraying for drying. Prepared product can be used as heat resisting paint or coating polymer. The invention enlarges the application area of the polyarylethersulfone, which is a kind of engineering material, and adapted for environmental protection; and benefits the maintain and application because of its redispersable.

The invention relates to the application field of agricultural weed killers, in particular to a weeding composition with tembotrione. The weeding composition is characterized by being composed of the tembotrione and a weed killer A, wherein the mass fraction of active ingredients is 3-90%, the mass ratio of the tembotrione to the weed killer A is 30:1-1:30, and the weeding composition can be prepared into dosage forms of water suspension, oil suspension,suspended emulsion, emulsion oil, micro emulsion, water emulsion, wettable powder, water dispersible granules, granula and dry suspending agent. The weeding composition is used for controlling weeds in corn fields or other places.

The invention discloses an electrically-controlled hydraulic steering control device, which comprises a frequency-voltage conversion chip (1), a voltage comparison module (2), a logical operation module (3), an electromagnetic valve drive module (4), a power module (5), an undervoltage protection module (6) and an overcurrent protection module (7). The control device is applicable to double-electromagnetic-valve bypass flow type electrically-controlled hydraulic steering systems. The control device controls opening and closing of the two electromagnetic valves of the double-electromagnetic-valve device jointly and adjusts the bypass flow to change flow of oil entering a steering gear, so that assisted adjustment can be realized. The electrically-controlled hydraulic steering control device is low in cost, quick in response, low in heat productivity and capable of effectively guaranteeing steering portability of an automobile at low speed and stability of the automobile at high speed, and enables a driver to have a good operating feeling.

The invention discloses a macromolecular coupling agent, a preparation method and application thereof. The macromolecular coupling agent is obtained by graft polymerization reaction of polyethyleneimine, KH-560 and silicate ester and hydrolysis; the molecular weight of the polyethyleneimine is 1,000 to 100,000; the molar ratio of the polyethyleneimine to the kH-560 to the silicate ester is 1: (4-6): (12-18); the silicate ester is orthosilicate or polysilicate, wherein the orthosilicate is selected from tetramethyl silicate, tetraethyl silicate, tetrapropyl silicate or tetrabutyl silicate; andthe polysilicate is a product obtained by hydrolysis and condensation polymerization of the orthosilicate. When polyvinyl alcohol (PVA) glue is coated on the surface of plastic to prepare a compositefilm, the macromolecular coupling agent is used as a coupling agent, so that the adhesive force of the PVA glue on the surface of the plastic after the film is formed can be greatly improved.

The invention relates to a formula and a production process of water dispersible poly(ether ketone ketone) emulsion and belongs to the technical field of high polymers. The formula comprises the following components: 20 to 50 weight percent of poly(ether ketone ketone) micropowder, 1 to 10 weight percent of dispersant, 1 to 5 weight percent of stabilizer, 40 to 70 weight percent of distilled water and 0.5 to 5 weight percent of sulfonated polyarylether. The production process comprises: placing the poly(ether ketone ketone) micropowder, the dispersant, the deionized water and the sulfonated polyarylether in a container in proportion; dispersing the mixture at a high speed for 10 to 20 minutes; sieving the product of the dispersion; mixing the stabilizer with the product passing through sieve; and stirring the stabilizer and the product at a low speed for 30 to 60 minutes. The emulsion of the invention does not contain organic solvent and no organic solvent is used in the preparation of the emulsion, so the requirements for environmental protection are met; the emulsion has high stability; the preparation method is simple and high in production efficiency; and the emulsion can be used in the manufacturing of heat-resistance coating, non-stick coating or coating polymers.

The invention relates to a composite coloring agent which comprises polymer substrates, surface active agents, a coumarin compound emitting blue light, a coumarin compound emitting green light and a light stabilizer. Meanwhile, the invention further relates to a preparation method of the composite coloring agent in a solvent-free condition. The composite coloring agent shows strong fluorescence emission, glossiness and sunlight fastness, and shows quite good light and heat stability.

The invention relates to a compression type environmental sanitation compartment with a clapboard. A compartment body is of a sealed compartment-shaped structure, and is provided with a garbage inlet and a garbage outlet; the clapboard is arranged between a compartment base plate and a compartment top plate, is provided with one or a plurality of liquid leakage holes penetrating through the thickness of the clapboard, and divides an inner part of the compartment body into a compartment body bottom layer and a compartment body upper layer; the periphery of the clapboard is respectively in seal connection with inner surfaces of the periphery of the compartment body; a compressor is arranged on the compartment body upper layer, and compresses garbage; one or a plurality of sewage discharge holes are arranged in a bottom part of the compartment body bottom layer, and is communicated with the inner part of the compartment body and an outer part of the compartment body; and a sewage discharge valve is arranged on each sewage discharge hole. Due to the utilization of the compression type environmental sanitation compartment with the clapboard, sewage in garbage can be separated from solid garbage through extruding, and is collected intensively; and meanwhile, the size of the garbage is greatly reduced, and the garbage can be transported conveniently. The compression type environmental sanitation compartment with the clapboard can be combined with a heavy vehicle second-class chassis to form an environmental sanitation vehicle so as to be used, and the effect is obvious.

The invention discloses a high-current quick-opening body, which is characterized in that the two ends of the insulating sleeve are respectively installed with an end plate of an explosion chamber and an end plate of a storage chamber for connecting to a circuit, and the end plate of the explosion chamber and the end plate of the storage chamber are respectively installed. There is a cylinder in the middle of the end plate, and the front end of the cylinder of the end plate of the blasting chamber is screwed with a plug, and there is a through hole for the lead wire of the explosive in the middle of the plug, and there is a piston bridge between the end plate of the blasting chamber and the cylinder of the end plate of the storage chamber. , the front end of the piston bridge body is connected to the cylinder body of the end plate of the blast chamber, the part between the piston bridge body and the blockage is an explosion chamber filled with explosives, and the rear end of the piston bridge body is inserted into the cylinder body of the end plate of the storage bin, The rear end of the barrel of the storage end plate is a tapered inner hole, which does not allow the piston bridge body to pass through. When the invention is detonated under the action of a control signal, the accuracy rate is high, the amount of explosive is small, and the risk of explosion is small.

The invention discloses temperature-sensitive fluorescent powder and a preparation method and application thereof. The chemical formula of the temperature-sensitive fluorescent powder is Sr (PrxRe1-x)2O4, wherein x is 0.0001-0.1, and Re is at least one of Lu, Gd and Y. The temperature-sensitive fluorescent powder has good optical characteristics and chemical and thermal stability, the luminous intensity is obviously influenced by temperature, and the temperature-sensitive fluorescent powder is suitable for high-precision and wide-range optical temperature sensors. The temperature-sensitive fluorescent powder is prepared by adopting a solid-phase sintering method, and the whole preparation process is simplified in process, short in production period, high in production efficiency and convenient for industrial production.

The invention relates to a compression type environmental sanitation compartment with a liquid storage box. A compartment body is of a sealed compartment-shaped structure, and is provided with a garbage inlet and a garbage outlet; the liquid storage box is arranged on a lower part of a compartment base plate; the liquid storage box is a sealed box body; a liquid leakage hole is arranged in a part of the compartment base plate covered by the liquid storage box; a compressor is arranged in the compartment body so as to compress the interior of the compartment body. One or a plurality of sewage discharge holes are arranged in a bottom part of each liquid storage box, and is communicated with an inner part of each liquid storage box and an outer part of the compartment body of each liquid storage box; and a sewage discharge valve is arranged on each sewage discharge hole. Due to the utilization of the compression type environmental sanitation compartment with the liquid storage box and an environmental sanitation vehicle with the environmental sanitation compartment, sewage in garbage can be separated from solid garbage maximally through extruding, and is leaked to the liquid storage box so as to be collected intensively; and meanwhile, the size of the garbage is greatly reduced, and the garbage can be transported conveniently. The compression type environmental sanitation compartment with the liquid storage box can be used independently, and can also form the environmental sanitation vehicle so as to be used, and the effect is obvious.