232results about How to "Does not affect flexibility" patented technology

A metal product having a metal substrate (2) and a coating thereon in the form of at least one functional and/or at least one decorative layer (8) has a layer (9) of a clear lacquer with a thickness of 10 nm to 10 μm on top of said at least one functional and/or at least one decorative layer.

The invention relates to a polyacrylate modified water-based enclosed isocyanate curing agent and a preparation method thereof. The curing agent is obtained by neutralizing and emulsifying a prepolymer formed by polyisocyanate semi-enclosed object and hydroxyl-containing polyacrylate, and the mole ratio of NCO to OH is 1-1.15:1. The hydroxyl-containing polyacrylate is prepared by: taking 10-50wt% of a solvent as the base material, and dripping a mixture composed of 5-15% of a carboxyl-containing vinyl monomer, 2-20% of a primary hydroxyl or secondary hydroxyl-containing acrylate monomer, 1-10% of a primary hydroxyl-containing epsilon-caprolactone modified vinyl monomer, 5-70% of other monomer containing a vinyl structure, 0.1-5% of a chain transfer agent and 0.05-3% of an initiator into the base material. The sealant and polyisocyanate for preparation of the polyisocyanate semi-enclosed object are in a mole ratio of 1.05-1.5:1. The curing agent has good miscibility with the matrix resin, high curing efficiency, low cost, flexibility and impact resistance.

A cable is provided, the cable includes: a conductor configured to propagate a signal; an elastomeric layer surrounding the center conductor; and a conductive topcoat layer surrounding and bonded to the elastomeric layer. The conductive topcoat layer includes a suspension of conductive particles. The conductive topcoat layer is formed by curing a topcoat and conductive paste mixture applied to the elastomeric layer.

The invention relates to a preparation method of water hyacinth rattan. The preparation method comprises the following steps of: collecting stalk of water hyacinth, drying the stalk of the water hyacinth for 48-72 hours in air by using a natural air drying method, and subsequently drying the stalk by using a heating and drying method till the water content of the stalk is 10-15%, wherein the temperature of the heating and drying environment is 75-85 DEG C and the humidity is 30-50% in the heating and drying method. With the combination of the natural air drying method and the heating and drying method, the drying time is shortened on the premise that the flexibility of the water hyacinth rattan is not affected, so that the production efficiency of the water hyacinth rattan is greatly improved.

The invention discloses a dynamic acceleration runway for the take-off of a carrier aircraft, in particular relates to a runway for the take-off of a carrier aircraft and specially relates to a dynamic acceleration runway for the take-off of a carrier aircraft, aiming to solve the problems of large impact force to the carrier aircraft, overlong take-off line and poor action flexibility of the carrier aircraft existing when the carrier aircraft takes off by utilizing the traditional taking off mode. A driving wheel shaft, a driven wheel shaft and a heavy-bearing wheel shaft are arranged in parallel, and axle centers of the three wheel shafts are on the same horizontal plane, wherein both ends of the driving wheel shaft are respectively provided with a driving chain wheel set, both ends of the driven wheel shaft are respectively provided with a driven chain wheel set, and both ends of the heavy-bearing wheel shaft are respectively provided with a heavy-bearing wheel set; the two driving chain wheel sets are connected with two corresponding driven chain wheel sets through a caterpillar band through transmission; each wheel type supporting body is adhered to the lower end face of the caterpillar band; and a plurality of light-bearing wheels are horizontally and uniformly distributed and embedded on a light-bearing wheel framework. The invention is suitable for a run-up system of the short-distance take-off or the vertical landing of the carrier aircrafts on light aircraft carriers and amphibious attack ships.

The invention relates to a battery of an electric automobile for replenishing energy by replacing the battery and a motor combination using system. The system ensures that storage batteries of different groups cannot be mixed by mounting as many motors as the chemical storage barriers or more motors than the chemical storage batteries in the electric automobile using multiple groups of replaceable chemical storage batteries; meanwhile, as many high-power flywheel batteries as the chemical storage batteries are fixedly arranged on the electric automobile; the batteries and the motors are connected and controlled by a control circuit; and thus the system conforms to user habit, ensures short-time high-power output and long-term stable work and does not need to increase too many power systems on the premise of not mixing the batteries. Meanwhile, by using high weathering resistance of the flywheel batteries, a heat insulating shell which can perform electric heating or blasting by utilizing energy of the flywheel batteries is increased for the chemical storage batteries, so that the problems such as incapable work of the chemical storage batteries, energy conservation of air conditioning heating and the like under severe environment are solved.

The invention discloses a sliding translational window with a high sealing performance. The sliding translation window with the high sealing performance comprises a fixed window frame and window sashes. A protruding first upper sliding channel is formed in an upper window frame section bar of the fixed window frame, a protruding first lower sliding channel is formed in an lower window frame section bar, a first moving device enabling each window sash to move longitudinally is arranged in an upper window sash section bar of each window sash, a second moving device enabling each window sash to move longitudinally is arranged in an upper window sash section bar of each window sash, the first moving device is matched with the first upper sliding channel, the second moving device is matched with the first lower sliding channel, and a locking device which enables the window sashes to move longitudinally is arranged on the window sash. According to the sliding translational window with the high sealing performance, after each window sash is slide in place horizontally, each window sash is moved longitudinally, and therefore the distance between each window sash and the fixed window frame is shortened. When sealing strips are squeezed, a purpose of sealing is achieved. Therefore, the purpose that the sealing of the sliding translational window is airtight is realized and the high sealing performance is achieved.

The invention discloses a three-dimensional nanocomposite adhesive bandage as well as a preparation method and a use method thereof. The three-dimensional wound-protection layer of the adhesive bandage has a curved surface, and the curved surface is complementary to the uneven wound surface and comprises a nanobacterial cellulose frozen-dried membrane and an eletrospun chitosan-containing nanofiber film. The three-dimensional wound-protection layer can carry a part of liquid medicine. When in use, the adhesive bandage fully fits the wound surface, has air permeability, can keep the wound surface wet, has the functions of stop bleeding, inhibiting bacteria, promoting the healing of a wound and preventing the adhesion of the wound surface to the wound dressing and can be used widely. The adhesive bandage can well fit the concave wound surface and the convex wound surface, is applicable to the wet wound surface with many exudates, the dry wound surface which needs to be wetted by the wound dressing and the potential wound surface which needs protection, thereby being an ideal wound dressing.

The invention provides a joint connector of a railway vehicle. While a longitudinal gap is compensated for, the rotation flexibility is not influenced. The joint connector comprises a concave joint provided with an installing cavity and a convex joint with the rear end articulated in the installing cavity; a slave plate is arranged between the concave joint and the convex joint; the front end surface of the slave plate and the rear end surface of the convex joint are spherical surfaces matched with each other. The joint connector also comprises an elastic member; the front end of the elastic member can be pressed against the slave plate and the rear end can be pressed against the concave joint, so that the longitudinal gap can be compensated for through the front-back deformation thereof. The elastic deformation of the elastic member can compensate for different longitudinal gaps and further guarantee the reliability of load transfer; the deformation of the elastic member varies with the working condition of the joint connector flexibly, so that a certain rotation freedom is provided for the joint connector and the rotation flexibility is not influenced; the flexibility of the elastic member enables the elastic member to compensate for longitudinal gaps in the tensile load transfer process.

The invention relates to a safety belt-type bag and a weaving method thereof. The external bag body is mainly weaved from at least one longitude belt and one latitude belt. The whole fixed longitude belts present a ring structure, with the two ends respectively arranged at the edges of the external upper part of the internal bag body; and the latitude belts are respectively arranged at the inside parts or the surfaces of the longitude belts. The weaving method includes the following steps: cutting a plurality of longitude belts and latitude belts out into suitable length, arranging the longitude belts in order, and arranging the latitude belts on the bottoms and the surfaces of the longitude belts in order from top to bottom through interpenetration or superposition so as to form a desirable shape. The weaving method is simple and practical, not only avoids the problem that the splicing joints and the stitched parts are easy to break and craze, but also improves the overall tensile-strength of the bag, thus improving the overall fastness and the durability of the bag.

The invention discloses a flexible flat cable which comprises a plurality of core wires, a sheath layer, a bonding layer and a protection film. Each core wire comprises a wire core, a lapped covering layer and an elastic extruding-resistant layer. The wire cores are formed by a plurality of wires, a metal hose and aramid fiber. The wires comprise conductors arranged in the middle, and insulating layers wrapping the conductors. The wires are arranged around the metal hoses in a spiral mode. The aramid fiber fills the portion between the wires and the metal hoses. The wire cores are wrapped with the lapped covering layers wrapped with the elastic extruding-resistant layers. A plurality of longitudinal through holes are formed in the elastic extruding-resistant layers. The core wires are spaced, and the axes of the core wires are located on the same plane. The sheath layer is arranged around the core wires in an extruding mode. The bonding layer wraps the sheath layer. The protection film wraps the bonding layer. The flexible flat cable is good in flexibility, and wiring can be fixed without an auxiliary fixing device.

The invention discloses an oil-proof circular oil-submerged pump cable which comprises a cable core formed by three wires, three bending filtering tubes and an annular supporting core. Each wire comprises a conductor located in the middle of each wire, a semiconductive shielding layer, an insulated layer and a single face aluminum plastic composite belt, wherein the semiconductive shielding layer, the insulated layer and the single face aluminum plastic composite belt cover the conductor in sequence, a plastic layer of the single face aluminum plastic composite belt faces inwards, and a metal layer of the single face aluminum plastic composite belt faces outwards. The annular supporting core is made of macromolecular material, the outer periphery of the annular supporting core is sealed, and the inner portion of the annular supporting core is provided with a plurality of fine steel wires. The three wires parallel to each other are longitudinally arranged in the annular supporting core and abut against the inner periphery of the annular supporting core, the three bending filtering tubes are longitudinally arranged between two adjacent wires and abut against the inner peripheries of the two adjacent wires and the annular supporting core, a sheath layer covers the cable core, a lubricating oil layer is arranged between the cable core and the sheath layer, and an armor layer covers the sheath layer. The oil-proof circular oil-submerged pump cable is compact in structure, resistant to high temperature, good in magnetic field balance, and excellent in oil-proof performance.

The invention relates to a high-temperature crosslinked chitosan/nitrogenous phosphonic acid polysiloxane proton exchange membrane and a preparation method thereof. The membrane is obtained by the following steps: (1) preparing a chitosan liquid; (2) preparing an organic nitrogenous phosphonic acid liquid; (3) slowly dropwise adding the organic nitrogenous phosphonic acid liquid to the chitosan liquid, fully stirring evenly to obtain a mixed liquid, and slowly dropwise adding amino siloxane to the mixed liquid, so as to obtain a sol liquid; (4) slowly adding an aldehyde crosslinking agent to the sol liquid, and stirring evenly, so as to obtain a gel liquid; and (5) pouring the gel liquid into a polytetrafluoroethylene mold, ageing at a room temperature for 2-3 days, drying at 80 DEG C, then sequentially carrying out heat treatment at 100 DEG C, 120 DEG C and 150 DEG C for 2 hours respectively, cooling and stripping off from the polytetrafluoroethylene mold, so as to obtain the high-temperature crosslinked chitosan/nitrogenous phosphonic acid polysiloxane proton exchange membrane. The preparation method is simple, and mild in reaction condition; the prepared proton exchange membrane has the advantages of relatively high proton conductivity and good heat stability under high-temperature and anhydrous conditions.

The invention belongs to the field of building material processing devices, particularly a powder building material mixing device. The device includes a machine body, a feeding port, a discharging port, a motor and a controller. The motor is at the middle of the top end of the machine body. Stirring shafts are disposed under an output end of the motor, with the top end of the top stirring shaft being fixedly connected to the output end of the motor, and adjacent stirring shafts being connected with airbags. The airbags are symmetrically arranged relative to the motor, with each pair of the airbags being connected through a first rubber hose. Rubber supporting bars are symmetrically arranged in the airbags relative to the first rubber hoses. The feeding port is at one side of the motor, andthe discharging port is at the bottom of the machine body and is provided with a valve. Inclined plates are symmetrically disposed at the inner bottom of the machine body relative to the feeding port. The airbags are adopted as connectors among the stirring shafts so that the stirring shafts rotate in a flexible manner, and the stirring range of the stirring shafts is expanded.

The invention discloses a method for realizing a textile intelligent cleaning function through a crosslinking temperature-sensitive copolymer. The method comprises the following steps of (1) using the temperature-sensitive copolymer, a crosslinking agent, a catalyst and a solvent to process a textile; (2) carrying out crosslinking reaction on the processed textile through heating and baking. According to the method for realizing thetextile intelligent cleaning function through the crosslinking temperature-sensitive copolymer provided by the invention, the cleaning efficiency of the textile during the washing process is improved, and the self-cleaning effect is achieved during the wearing process; the operation can be carried out conveniently without influencing the original whiteness and flexibility; a covalent bond is formed through reaction of a reactive functional group contained in an acrylate monomer with the reactive functional group at the tail end of a side chain in the temperature-sensitive copolymer and a reactive functional group on the surface of the textile with carboxyl contained in the crosslinking agent, and the temperature-sensitive copolymer is fixed on the surface of the textile, so that the modified textile has a function of hydrophily/hydrophobicity intelligent adjustment.

The invention discloses constant-temperature work clothes based on power supply of film solar cells. The constant-temperature work clothes comprises fabric work clothes, a controller, the film solar cells, a semiconductor cooling sheet and a radiating sheet, wherein a plurality of film solar cells are serially connected to the fabric work clothes; the film solar cells are connected to the semiconductor cooling sheet through a Boost circuit; the controller is arranged on the Boost circuit; the controller is located on the exterior of the fabric work clothes; the cooling end of the semiconductor cooling sheet is close to one side of a human body; the heating end of the semiconductor cooling sheet is toward the exterior; and the radiating sheet is arranged on the surface of the heating end. With the assistance of the constant-temperature work clothes provided by the invention, the problem that field open-air operators are easily subjected to sunstroke in intense heat days is solved. The constant-temperature work clothes based on the power supply of the film solar cells provided by the invention are novel in structure and are environmentally-friendly; the film solar cells are used for converting solar energy into electric energy for driving the semiconductor cooling sheet to absorb and release energy; the body temperature is reduced; and the working efficiency can be effectively improved.

The invention relates to liquid grooves and a manufacturing method thereof. the liquid grooves comprise according to the parts by volume of raw materials: 10-50 parts of chitosan solution, 10-50 parts of polyvinyl alcohol solution, 1-10 parts of glycerin, 0.5-15 parts of ethanol; wherein, the chitosan solution is formed by adding 0.5-10 g of chitosan into per 100 millitre to 200 millitre of acetum with 3-5% of percentage concentration by weight to be dissolved; the polyvinyl alcohol solution is formed by adding 10-50 g of polyvinyl alcohol into per 50 millitre to 400 millitre of acetum with 3-5% of percentage concentration by weight to be dissolved. The invention is convenient to use, has high resilience, and is characterized by smoothness, transparence, colorless and nontoxic; and the membrane has stronger tensile strength and deformation, higher wearing resistance which is 3-6 times higher than that of the common disposable plastic gloves, excellent ventilation property, and does not affect the flexibility of fingers, can protect hands and are beneficial to health.

The invention discloses an anti-corrosion and anti-explosion self-temperature-control electric tracing band. The anti-corrosion and anti-explosion self-temperature-control electric tracing band comprises a PTC material core which is internally provided with two wires, the PTC material core is wrapped by a single-face metal and plastic composite belt which is internally provided with a drainage wire, the plastic layer of the single-face metal and plastic composite belt faces inwards, and the metal layer of the single-face metal and plastic composite belt faces outwards. The metal and plastic composite belt is wrapped by an insulating layer, the insulating layer is wrapped by a braided shield layer, the braided shield layer is wrapped by a restrictive coating, and the periphery of the restrictive coating is provided with a plicated texture. The anti-corrosion and anti-explosion self-temperature-control electric tracing band is simple in structure and good in electromagnetic shielding performance and can be used safely under the high-temperature environment.

The invention discloses cooling protective clothes. Cooling protective clothes at the present market are high in price, a user can not move flexibly after wearing the cooling protective clothes, and a cooling vest at the market is complex to wear and delays the time. According to the cooling protective clothes, a plurality of lining bags are directly sewn on the front chest and the back of an inner layer of an original protective clothes body, then sealed ice bags prepared in advance are put into the lining bags, and therefore the purpose of lowering the temperature of the human body is achieved as ice cubes absorb the heat of the human body and are melted. Compared with the existing cooling protective clothes, the cooling protective clothes are convenient to wear, save time, are low in cost, and do not affect the flexibility of the human body. In addition, the number of the added ice bags is selected according to the environment temperature, the body temperature of a fireman is lowered to an appropriate temperature in fire suppression practices, and the requirement of the fireman is better met.

Provided is an interconnection-line-free island micro-grid frequency static-error-free control method based on harmonic injection. A two-inverter parallel system which is controlled by the adoption of a P-f/Q-v droop control algorithm is established; the two-inverter parallel system runs under the traditional P-f/Q-v droop control algorithm, and the output-voltage amplitude value and frequency of the inverter are obtained; the difference value between a standard power frequency of 50 Hz and the output voltage frequency is calculated to obtain a frequency error value, and after the frequency error value is input into a PI adjuster, the output of the PI adjuster serves as a frequency compensation value and is added to a frequency set value in the droop control of a first inverter; by a harmonic injection module, the harmonic voltage of which the frequency is constant and the amplitude value is related to the compensation amount is added to the parallel system; by the amplitude value of a harmonic current extracted by a harmonic extraction module of a second inverter, the frequency compensation amount is reversely calculated; the calculated frequency compensation amount is added to a frequency set value in the droop control of the second inverter, and the frequency error-free control of the two-inverter parallel system is achieved. The method can achieve the frequency error-free control, has no influence on active power distribution, simplifies the system and improves the flexibility of the system.

The invention discloses high-strength composite fiber non-woven cloth and a preparation method thereof. Ultrahigh-strength high-modulus polyethylene fibers are used as base materials, the polyethylene fiber obtained after fiber placement is subjected to a series of homogenization, parallelization and straight and upright arrangement and placed in a modified epoxy resin solution for sizing treatment in an environment of 60-80 DEG C, then the formed polyethylene fiber layers are subjected to composite lamination, and the non-woven cloth is prepared, wherein the modified epoxy resin solution is prepared by adding and mixing an adhesion agent, a filling agent, an insulating filler, fire retardant, white carbon black and ethyl alcohol, the mass of hydroxyl chemigum accounts for 8-12% of the mass of the modified epoxy resin solution, and the content of vinyl cyanide accounts for 18-30% of the content of hydroxyl chemigum. The non-woven clothes with different thicknesses are prepared by lamination of the polyethylene fiber layers, an antiknock device can be made from different types of non-woven cloths according to explosion sites and use environment, and the non-woven cloths with different thicknesses are different in anti-explosion range so as to sufficiently withstand the impact of a bullet.