33results about How to "Increase stretch" patented technology

The invention discloses a meteorologic balloon and a production method thereof. The raw materials consist of a solid raw material, an oily raw material and a gluey raw material; the solid raw material comprises the following components by weight: 0 to 0.30 portion of potassium hydroxide, 0 to 0.15 portion of casein, 0 to 0.10 portion of peregal O, 1.00 to 3 portions of sulfur, 1.00 to 2 portions of N-phenyl-2-naphthylamine, 1.00 to 2 portions of N-phenyl-N'-isopropyl-ursol, 1.50 to 3 portions of ethyl-phenyl-zinc dithiocarbamate, 0.20 to 5 portions of zinc oxide, and 5 to 30 portions of chloroprene polymer; the oily raw material is dioctyl sebacate, and the weight rate of the dioctyl sebacate is 5.00 to 10.0 portions; and the gluey raw material is centrifugally-concentrated natural latex, and the adding amount of the centrifugal concentrated natural latex is 100 portions. The weight of the meteorologic balloon is 1,600 to 1,700 grams, the length of the balloon body is 3.05 to 3.55 meters, the width of the ball handle is 10 to 11 centimeters, and the length of the ball handle is 12 to 16 centimeters. The meteorologic balloon can adapt to the requirement of probing high-altitude meteorological elements of more than 35,000 meters, has the advantages of good aging resistance, high blastoff height, long balloon service time and the like, and can effectively overcome the morning-evening difference.

The invention belongs to the field of conductive ink and discloses transparent conductive ink and a preparation method thereof. The transparent conductive ink is prepared from, by weight, 0.5-50 parts of nano silver wire dispersion liquid, 15-35 parts of poly(3,4-ethylenedioxy thiophene)-poly(styrene sulfonic acid), 5-40 parts of an organic solvent, 5-40 parts of deionized water, 1-8 parts of dimethyl sulfoxide, 0.1-5 parts of a viscosity modifier, 0.01-1 part of a pH regulator, 0.01-2 parts of a surfactant, 0.01-1 part of a leveling agent and 0.1-0.5 part of an adhesion promoter. The solid content of the transparent conductive ink is no more than 2%; due to addition of dimethyl sulfoxide in a formulation of the conductive ink, conductivity of a PEDOT/PSS and nano silver wire combined system is effectively improved; a prepared transparent conductive film has advantages of high optical transmittance, low haze and low surface square resistance and is excellent in adhesion, conductivity and environmental stability.

The invention provides a prescription of a biodegradable soybean protein thermoplastic material, which comprises the following components in percentage by weight: 25-65 percent of protein, 30-40 percent of starch filler, 5-35 percent of plasticizer, 0.5-2.5 percent of reducing agent and 5-25 percent of water. The components have high flowability needed by machining, form a curing object with high tensile strength and high water resistance by extrusion or injection moulding and can be biodegraded.

The invention relates to a biped jumping robot with a variable pneumatic muscle driving force arm. The biped jumping robot with the variable pneumatic muscle driving force arm comprises a left leg, aright leg, a body, a muscle system and a spring system. Through coordinated motion between a pneumatic muscle, an elastic spring and so on, vertical jumping and oblique jumping motions can be very well realized. The biped jumping robot with the variable pneumatic muscle driving force arm has the advantages of simple and compact design structure, structural geometrical similarity, structural mass convenience, mechanism motion bio-imitability, flexibility and so on; and the mobility of the biped robot adapting to the unstructured environment can be improved.

The invention discloses a preparation method of environmentally friendly building adhesive. The method comprises the steps that 1), gum acacia and shell lac are poured into an agitating pan, heating agitation processing is conducted under the condition of compression to obtain viscous liquid; 2), terpene resin, glycerol ester of rosin, turpentine, aluminium silicate powder, white carbon black andthe like are poured into an agitation tank to perform agitation processing to obtain a mixture; 3), emulsion obtained in step 2) is poured into the viscous liquid obtained in step 1), agitation is constantly performed until the material is cooled down to room temperature, ethanol is added, and emulsifying agitation processing is conducted to obtain the adhesive. According to the method, the residual formaldehyde content of the environmentally friendly building adhesive is extremely low, the health of human is not affected, which is beneficial to the protection of the environment.

The invention provides a front waist sticker of a paper diaper. The front waist sticker comprises a waist circumference part and waist sticker parts, wherein the waist circumference part comprises an internal non-woven layer, an elastic layer and an outer non-woven layer which are arranged in the sequence from inside to outside, two sides of the waist circumference part horizontally extend to form the waist sticker parts for connecting with the abdominal circumference part, and the waist sticker parts comprise connecting parts for connecting with the waist circumference part and velcro for buckling to the abdominal circumference part. The invention further provides a process for producing the front waist sticker of the paper diaper, and the paper diaper provided with the front waist sticker of the paper diaper. The technical scheme has beneficial effects that the front waist sticker is arranged, the breathabiltiy is good, the liquid diffusion property is good, the stretching amplitude is improved, and the use is convenient; and the front waist sticker has the advantages that the structure is simple, the maintenance is convenient, etc.

The invention relates to a high-performance plastic bag, and belongs to the field of plastic bag manufacturing. Raw materials for producing the high-performance plastic bag comprise polyolefin, polypropylene compatilizer, nano holmium oxide, low density polyethylene and acrylic resin. The high-performance plastic bag comprises, by weight percentage, 10-30% of the polyolefin, 10-15% of the polypropylene compatilizer, 10-15% of the nano holmium oxide, 20-40% of the low density polyethylene and 20-30% of the acrylic resin. According to the high-performance plastic bag, due to the fact that the raw materials such as the polypropylene compatilizer and the nano holmium oxide are added, and the tensile strength of the plastic bag is improved; meanwhile, when the high-performance plastic bag is used at a low temperature, breakage of the plastic bag is avoided, the flexibility can be better, and daily use is convenient.

The invention discloses health care underwear with a body-shaping function. The shell fabric of the health care underwear with the body-shaping function comprises warp yarns and weft yarns, the cross sections of the warp yarns and the weft yarns are I-shaped, the warp yarns and the weft yarns adopt high-elasticity fibers, hollow fibers, tencel fibers and composite seaweed carbon fibers are also knitted in the warp and weft yarns in a mixed manner, a wear resistant layer is sewn on the inner side of the warp and weft yarns; the composite seaweed carbon fibers comprise the following compositions in parts by weight: 60-75 parts of seaweed carbon fibers, 15-20 parts of alumina, 5-15 parts of zirconia, 5-10 parts of tourmaline and 2-5 parts of glass beads. The health care underwear with the body-shaping function has the advantages that the elasticity is superior, the stretching range of people during exercising can be greatly expanded, the water absorption property is stronger, the releasing of sweat on the skin is facilitated, and the purpose of losing weight is realized, and besides, the health care underwear with the body-shaping function also has a superior warm-keeping function and realizes the effects of activating cells, enhancing functions and vitality of cells.

The invention provides a transmission shaft flange grinding device for machining mechanical parts, relates to the technical field of grinding devices, and solves the problems that during fixing, synchronous fixing of multiple fixing structures cannot be achieved, fixing stability is poor, grinding area cannot be increased, protective grinding of a flange of a transmission shaft cannot be achieved,and absorption and purification of harmful gas cannot be achieved in a linkage mode in a polishing process. The transmission shaft flange grinding device for machining the mechanical parts comprisesa base and an elastic telescopic bottle; and a mounting seat is fixedly connected to the base through bolts. A grinding base and a grinding block are both of the concave structure, and the inner wallof the grinding block makes contact with the flange of the transmission shaft, so that during grinding, on one hand, the grinding base and the grinding block of the concave structure can form a disengaged protection structure of the flange of the transmission shaft, on the other hand, the grinding base and the grinding block of the concave structure can increase contact area with the flange of thetransmission shaft, and thus the grinding efficiency is improved.

The invention provides a flexible sensor and a preparation method thereof. Through using rubber with high flexibility as a substrate layer, restriction of a substrate preparation material in an existing flexible sensor is prevented, and bending degree and stretching degree of the flexible sensor are improved. The sensor comprises the components of the substrate layer which is formed by the rubberwith high flexibility, a conductive layer on the substrate layer, conductive contacts and a passivation layer on the conductive layer, and a lead which is connected with the conductive layer through the conductive contacts and is used for transmitting a sensing signal.

The invention discloses environment-friendly styrene-acrylic emulsion paint. The paint is prepared from the components in parts by weight as follows; 20-50 parts of styrene, 10-40 parts of methyl acrylate, 5-20 parts of epoxy resin, 5-10 parts of polyolefin elastomers, 10-15 parts of hydroxyethyl cellulose, 1-5 parts of sodium bicarbonate, 5-8 parts of closed cell perlite, 5-8 parts of talc powder, 1-8 parts of an antibacterial agent, 8-15 parts of an emulsifier and 15-25 parts of water. The paint adopts simple and reasonable composition, is non-toxic and odorless, has the clean and smooth surface and good water resistance, cannot fall off easily and is applicable to painting of internal walls, and a paint coat is dried quickly; besides, the paint is antibacterial, anti-mildew, washable, wear-resistant and long in service life; the paint cannot fall off easily, cannot pulverize and decolorize and is excellent in fouling resistance and weather resistance and convenient to use; meanwhile, a paint film is smooth and compact, and the thermal insulation effect is good. The invention further discloses a preparation method of the environment-friendly styrene-acrylic emulsion paint. The method is simple and safe in process and high in operability.

The invention discloses a lifting arm. The lifting arm comprises: a basic arm, wherein a first accommodation chamber is arranged in the basic arm; a first boom, wherein the first boom is arranged and capable of moving back and forth in the first accommodation chamber, a second accommodation chamber is arranged in the first boom, walls of the second accommodation chamber are provided with a plurality of installing holes, and each installing hole is rotatably provided with a first pulley; a second boom, wherein the second boom is arranged and capable of moving back and forth in the second accommodation chamber and is rotatably provided with second pulleys, and the second pulleys and the first pulleys are arranged at a preset interval along a direction from front to back; an actuator which is fixed on the basic arm and connected with the first boom to drive the first boom to move back and forth; and a steel wire rope, wherein a first end of the steel wire rope is fixed on the basic arm, and a second end of the steel wire rope winds around the first pulleys and the second pulleys and is then fixed on the basic arm to drive the second boom to move back and forth. According to embodiments provided by the invention, the lifting arm is telescoping under the condition of load and has strong load telescoping capability.

The invention discloses a supercritical fluid auxiliary melt differential electrostatic spinning device which is composed of a feeding system, a supercritical fluid supply system, a fluid mixing system, a pressure relief system, a spinning system and a winding roller. The pressure relief system is composed of a melt outlet valve, a pressure relief kettle, a pressure reducing valve and a stirring device, the spinning system is composed of a nozzle, an electrode plate, an electrode plate support and a high-voltage electrostatic power source, and the collecting roller is located behind the electrode plate and receives fibers generated by the nozzle. According to the device, the supercritical fluid and the melt are stirred and mixed in the high-pressure stirring kettle through the multiple sets of blades to form a uniform blend, the viscosity of the melt is reduced through the supercritical fluid, bubbles wrapped by the melt are broken, the melt at the broken position is differentiated into fibers, and the blend has a large pressure difference with the external environment, so that the melt is dispersed in the melt, and the melt is dispersed in the melt. The stretching degree of the fiber can be greatly improved, the diameter of the fiber is reduced, and uniform and stable preparation of the nanofiber is realized.

The invention discloses a high-strength fiber reinforced composite material connecting piece and a formula and manufacturing process thereof. The connecting piece comprises an anchor fiber rod and aninjection molding intermediate body; a dovetail groove or a locking groove is formed in the anchor fiber rod; the injection molding intermediate body wraps the middle section of the anchor fiber rod;and a screw thread is disposed in the injection molding intermediate body. By changing the structures of the anchor fiber rod and the injection molding intermediate body, the contact area of the connecting piece and concrete can be greatly increased, and thus the drawing force is enhanced. The drawing force of the connecting piece can reach 15-20 kN; by changing the cross section shape of the anchor fiber rod, the stretching and bending degrees of the composite material are greatly improved; and the stretching strength of the connecting piece can reach 900-1100 MPa, and the bending strength ofthe connecting piece can reach 1000-1200 MPa.

The invention discloses a light-emitting device and phototherapy equipment. The light-emitting device comprises a first elastic substrate, a first surface of the first elastic substrate comprises a light-emitting device, a sensor and a first concave-convex area, the first concave-convex area is provided with a concave-convex structure, the first concave-convex area is arranged around the light-emitting device, and the first concave-convex area is arranged around the sensor. The light-emitting device further comprises a second elastic substrate, the second elastic substrate is located on a second surface, opposite to the first surface, of the first elastic substrate, the surface, making contact with the first elastic substrate, of the second elastic substrate is at least provided with a second concave-convex area, and the second concave-convex area is provided with a concave-convex structure. The stretching degree of the light-emitting device is increased, and the multi-dimensional stretching effect is achieved.

The invention discloses a portable medical device. A spring box is installed in the middle part of the first wrapping cloth, an upper bracket and a lower bracket are arranged in the middle part inside the spring box, and the upper bracket and the lower bracket pass through The spring assembly is connected, the upper bracket is connected with one end of the connecting belt, and the other end of the connecting belt is connected with the cloth rolling box. When the device is performing recovery exercises, several spring assemblies can be installed as required, and can be Increase the number of springs according to the degree of self-recovery, fix the first wrapping cloth and the second wrapping cloth on both sides of the joints that need to be exercised through the tightening belt and tightening buckle, adjust the length of the stretching belt through the cloth roll box and lock it , the device has a small structure, and all the spring components can be placed in the spring box when storing, which is convenient to carry.

The invention discloses a crab feed and a preparation method thereof, and belongs to the field of feeds. According to the crab feed disclosed by the invention, nutrient substances of protein nutrientsand oil and fat nutrients are added, so that in the growth process of crabs, nutrition requirements are met; active agents are added, so that the digestive and absorption of the nutrient substances by the crabs is promoted, pathogenic microorganisms are restrained, and the attack rate of the crabs is reduced; transferring and accumulation of fat can be promoted by phosphatide substances in the proteins, so the absorption and utilization of unsaturated fatty acid are promoted, and the crabs have high nutrient values and good immunocompetence; the feed is easy to disperse in water, nutrient substances in the feed are easy to oxidize, and the obtained crab feed is packaged, so that the efficiency that the feed is eaten by the crabs in water can be improved, and the oxidizing damage of the nutrient substances is also avoided; through adoption of the preparation method disclosed by the invention, the problems caused by a conventional feed that the crabs are high in number of diseases, lowin survival rate, and low in reproduction speed; and the yield of the crabs is not increased, so that the breeding benefit is seriously influenced are solved.

The invention discloses an environment-friendly building adhesive. The environment-friendly building adhesive is prepared from raw materials in parts by weight as follows: 80-97 parts of rosin glyceride, 25-32 parts of shellac, 172-186 parts of terpene resin, 24-57 parts of turpentine, 4-6 parts of aluminum silicate powder, 2-4 parts of white carbon black, 5-7 parts of zirconium hydrogen phosphate, 1-3 parts of tannin, 2-4 parts of potassium pyrophosphate, 6-8 parts of ethanol, 10-12 parts of hydroxyethyl cellulose, 5-9 parts of Arabic gum, 3-5 parts of potassium lactate, 2-4 parts of sodium lactate, 1-4 parts of sodium diacetate, 6-9 parts of silicon carbide whisker and 5-8 parts of butyl lactate. The environment-friendly building adhesive contains very little residual formaldehyde, doesnot affect human health and is favorable for environmental protection.

The invention provides an automatic mechanical arm belt wheel transmission mechanism, and relates to the technical field of mechanical transmission structures. The problems that automatic air collection type cooling of a belt cannot be automatically realized in the transmission process through structural improvement, and other structures cannot be linked to realize automatic cooling during working through structural improvement are solved. The automatic mechanical arm belt wheel transmission mechanism comprises a base body; a first transmission structure, a second transmission structure, a third transmission structure and an auxiliary structure are rotationally connected to the base body; a through hole A is obliquely formed, and the inclination angle is -45 degrees, so that heat dissipation of a belt A can be realized when air is sprayed from the through the through hole A, and the through hole A formed at -45 degrees can reduce the resistance during rotation of a fourth rotating shaft and the friction force on the belt A; the inclination angle of through holes B is 45 degrees, and the through holes B formed in the annular array form an air collecting structure of the fourth rotating shaft, so that automatic air collection can be performed through the through holes B when the fourth rotating shaft rotates.

The invention discloses a mask filtering efficiency and respiratory resistance rapid screening instrument which comprises a fixing base, a case is arranged on the left side of the upper end face of the fixing base, a display box is arranged on the right side of the upper end face of the fixing base, a liftable driving rod is arranged on the lower end face of the head of the case, and an upper pasting plate is arranged at the bottom of the driving rod. A lower flitch plate is arranged at the bottom of the upper flitch plate, a pressing column is arranged below the lower flitch plate, a bottom plate is arranged at the position, corresponding to the lower flitch plate, of the upper end face of the fixing base, and a bottom column is arranged at the position, corresponding to the pressing column, of the upper end face of the bottom plate. According to the rapid screening instrument for the filtering efficiency and the breathing resistance of the mask, the adjustable movable straight plates are arranged on the two sides of the upper flitch plate, a lower flitch plate and a pressing column can be detached and cleaned conveniently, meanwhile, a fixing plate and a lifting plate are arranged behind a bottom column, and a positioning column is matched to fix the mask, so that the filtering efficiency and the breathing resistance of the mask are greatly improved. The stretching degree of the mask during detection is improved, and the screening precision is guaranteed.