43results about How to "Not easy to age and deform" patented technology

The invention relates to the technical field of aluminum alloy ladder preparation, and particularly relates to high-strength antibacterial aluminum alloy for an aluminum alloy ladder and a preparation method thereof. The aluminum alloy comprises a high-strength aluminum alloy matrix and a micro-arc oxidation film, wherein the micro-arc oxidation film is arranged on the surface of the aluminum alloy matrix, the weight of a hole sealing agent on the micro-arc oxidation film is 0.15 g / cm<2> to 0.90 g / cm<2>, and the hole sealing agent covers at least 92% of micropores in the micro-arc oxidation film. The preparation method comprises the steps of smelting metal, modifying, refining and degassing, pouring and forming and performing quenching treatment, aging treatment, micro-arc oxidation and hole sealing treatment, wherein in the step of modifying, nanometer modificators are uniformly dispersed into liquid alloy obtained by smelting; in the step of refining and degassing, 0.23% to 0.38% of hexachloroethane is added to the modified liquid alloy so as to refine and degas; and the aging treatment is divided into four-stage aging treatment. The aluminum alloy prepared by adopting the preparation method has the characteristics of high hardness, high strength, wear resistance, corrosion resistance, good anti-cracking performance, good antibacterial effect, difficulty in aging and deformation and long service life.

The invention discloses light and thin multi-functional fabric with warm keeping, moisture absorbing and perspiring functions. The light and thin multi-functional fabric with warm keeping, moisture absorbing and perspiring functions has a double-layer structure, the inner layer is composed of hollow far infrared warm keeping fiber, hydrophilic moisture absorbing and perspiring fiber and cotton or viscose in a blending mode, and the inner layer has warm keeping, moisture guiding and perspiring functions; the surface layer is composed of elastic fiber and cotton or viscose in a blending mode, and the surface layer has durable elasticity and moisture absorbing and quick drying functions; a regular air heat insulation cavity is formed between the surface layer and inner layer after being connected, and the heat storage and warm keeping performances are reinforced. The fabric is light and thin and has warm keeping, moisture guiding and quick drying effects, durable size stability and good hand feel; the light and thin multi-functional fabric with warm keeping, moisture absorbing and perspiring functions is especially suitable for underwear, warm clothing and the like.

The invention discloses a high-watertightness solar module edge-sealing adhesive tape, comprising a base material layer, a functional adhesive layer and a release material layer arranged in succession from top to bottom.The functional adhesive layer is formed by: dissolving rubber adhesive in an organic solvent to form a solution and applying the solution to the release material layer; the adhesive tape is characterized in that the rubber adhesive is made from the following components according to parts by weight: 80-120 parts of a main agent and 20-30 parts of a viscosifier, wherein the main agent at least comprises butyl rubber.Since the rubber adhesive in the middle functional adhesive layer uses the butyl rubber of high watertightness as the main agent, watertightness of the whole adhesive tape is greatly enhanced; in the adhesive tape compared with original acrylic foam adhesive, the adhesive layer formed by curing of butyl rubber is better in softness and application performance, and thereby, this adhesive layer is imparted same bonding force through only half of usage of original acrylic foam adhesive, helping reduce overall thickness of the adhesive tape.

Disclosed are a liquid crystal polyester molded composition and application thereof. The composition comprises the following components: 30-100 parts of liquid crystal polyester, 0-30 parts of other thermoplastic polymers, and 0-70 parts of reinforcing filler. On the basis of the total weight of the liquid crystal polyester molded composition, the weight content of fluorine is 50-2,000 ppm, and the weight content of magnesium is 0.1-500 ppm. According to the present invention, the content of fluorine in the liquid crystal polyester molded composition is controlled within the range of 50-2,000 ppm, and the content of magnesium is controlled within the range of 0.1-500 ppm, thereby effectively improving the autologous fiber ability of the liquid crystal polyester. Moreover, induced autologous fiber arrangement of fluorine has the directional disorder characteristic. Synergistic combination of the two elements can significantly reduce the difference of thermal expansion in vertical and horizontal directions while enabling the liquid crystal polyester molded composition to have excellent rigidity. Therefore, workpieces prepared from the liquid crystal polyester molded composition as the material of an exhaust blade are thin in wall, light in weight and low in noise, can significantly improve usage stability of the exhaust blade, prolong the service life in severe environment, and are not liable to wear, age or deform.

The invention relates to a pavement restoration method. The pavement restoration method comprises the steps that a detection radar is utilized for detecting the void positions in a butting plate of a damaged bridge, the positions of grouting holes I are marked on the surface of the butting plate and are drilled, and the grouting holes I are deep to a hard soil layer, and are distributed in an array mode; the distance between the centers of the adjacent grouting holes is 10-20cm and the void positions fall in the array range; all grouting holes II penetrate through a soft soil layer and are intersected with the grouting holes I; the two ends of all the grouting holes are provided with exhausting one-way valves; grouting is carried out on the grouting holes I, and the three-dimensional detection radar is utilized for detecting the filling conditions of slurry in the void positions, all the grouting holes I and all the grouting holes II, and the grouting is stopped when the void positions, all the grouting holes I and all the grouting holes II are filled with slurry; after the grouting is stopped, the detecting radar is utilized for detecting and rechecking the filled parts, and drilling and grouting are carried out again on the parts without being filled with the slurry. The pavement restoration method has the advantage that the problem of the settling velocity difference between the hard soil layer and the soft soil layer is solved.

The invention relates to a bridge-head vehicle bump road surface repairing method for solving the problem of the settling velocity difference between a hard soil layer and a soft soil layer. The bridge-head vehicle bump road surface repairing method comprises the steps that a void position in an access board of a damaged bridge is detected through detection radar, the positions of first grouting holes are marked on the surface of the access board, drilling is conducted on the positions of the first grouting holes, the first grouting holes are deep enough to reach the hard soil layer, the first grouting holes are arranged in an array mode, the center-to-center distance between every two adjacent first grouting holes is 10-20 cm, and the void position is made to be located within the array range; all second grouting holes penetrate through the soft soil layer and intersect with the first grouting holes, and exhaust one-way valves are arranged at the two ends of each second grouting hole; grouting is conducted on the first grouting holes, the void position and the internal grout filling conditions of all the first grouting holes and all the second grouting holes are detected immediately through three-dimensional detection radar, and grouting is stopped when the void position, all the first grouting holes and all the second grouting holes are filled with grout; and the filling positions are detected and re-checked again through the detection radar after grouting is stopped, and the positions which are not filled with grout are drilled and grouted again. By the adoption of the bridge-head vehicle bump road surface repairing method, the problem of the settling velocity difference between the hard soil layer and the soft soil layer is solved.

The invention discloses an air conditioner outer air deflector, a manufacture method thereof and an air conditioner comprising the same. The air conditioner outer air deflector comprises a base plate, a glue layer and a packing film, wherein the base plate is an alloy plate which is formed through an extrusion technique; the glue layer is glued on the surface of the base plate; and the packing film is adhered on the surface of the side, which is far away from the base plate, of the glue layer. According to the air conditioner outer air deflector, the extrusion-moulded base plate is adopted, so that the base plate has higher strength compared with an injection-moulded base plate, and thus the base plate cannot easily age and deform; meanwhile, a mode of the packing film is adopted instead of a mode of forming a paint film through spray coating, so that the color of the air conditioner outer air deflector is easy to control, and the phenomenon of unattractiveness caused by large color difference between the air conditioner outer air deflector and other components of the air conditioner is avoided; furthermore, the packing film is adhered to the surface of the base plate in a mode of forming the glue layer, so that the packing film can be adhered to the base plate more firmly; and the adhesion force is large, so that problems of bubbling, stripping and falling off of a spray coating component are avoided.

The invention relates to a method for repairing tunnel damage, which includes: detecting the position of the void and water gushing channel in the damaged tunnel by using detection radar; drilling the lining surface at the void position to obtain a grouting hole and installing the Grouting pipe, the grouting pipe extends into the void, drills a hole at the outlet of the water gushing channel to obtain a grouting hole 1 whose diameter is larger than the outlet of the water gushing channel, and the inner seal of the grouting hole 1 is matched with the grouting pipe 1; for the grouting hole and the grouting hole 1 to perform grouting and use the detection radar to detect the slurry filling inside the void and water gushing channel in real time, and stop grouting when the slurry is full of the void and water gushing channel; after the slurry solidifies and reaches the final strength, A number of longitudinal and transverse grooves extending from the contour line to the surrounding surface are opened on the lining surface; all the above-mentioned grooves are filled with slurry and cured; the empty space and the surrounding adjacent parts are fixed and strengthened, and the accumulated water in the seepage channel is discharged .

The invention relates to the technical field of silicone, and in particular to a low-hardness damping silicone buffer material and a preparation method thereof. The low-hardness damping silicone buffer material comprises the following components in parts by mass: 50-80 parts of liquid silicone rubber, 5-50 parts of methyl vinyl silicone oil, 1-5 parts of hydrogen-containing silicone oil, 0.5-1.5 parts of a platinum catalyst and 0.01-0.05 part of an inhibitor. According to the low-hardness damping silicone buffer material provided by the invention, Si-H bonds of the hydrogen-containing silicone oil are activated to carry out a hydrosilylation addition reaction by the platinum catalyst, and an elastomer of a three-dimensional meshed structure is formed, so that the prepared low-hardness damping silicone buffer material has good high / low-temperature adaptation, excellent flexibility, good buffer performance and physiologically inert, is difficult to age and deform, can be widely applied to high-precision electronic instruments and light electronic devices and can achieve the buffering and damping effects; therefore, normal application of the electronic instruments or electronic devices is guaranteed.

The invention relates to a repair method of the vehicle bump pavement of a bridgehead. The repair method comprises the following steps: detecting a disengaging position in an approach slab of a damaged bridge by a detection radar, marking the positions of grouting holes I on the surface of the approach slab and drilling, wherein the grouting holes I reach the hard layer and are distributed in an array manner, the center distance between the adjacent grouting holes I is 10-20 cm, and the disengaging position is enabled to fall into the array range; enabling grouting holes II to penetrate the soft layer and to be crossed with the grouting holes I, and arranging one-way valves for exhausting at two ends of the grouting holes II; grouting the grouting holes I and detecting the slurry filling conditions of the disengaging position, the grouting holes I and the grouting holes II in time by a three-dimensional detection radar, and stopping the grouting when the disengaging position, the grouting holes I and the grouting holes II are filled with slurry; detecting and rechecking the filled part by the detection radar after grouting stopping, and drilling and grouting parts which are not filled with slurry again. The method solves the problem of the difference between settling velocities of the hard layer and the soft layer.

The invention relates to a pavement rehabilitation method. The pavement rehabilitation method comprises the following steps that detection radar is used for detecting the disengagement position of a butt strap of a damaged bridge, the positions of first grouting holes are marked on the surface of the butt strap and are drilled, the first grouting holes reach a hard stratum and are arranged in an array mode, the center-to-center spacing of the adjacent first grouting holes is 10-20 cm, and the disengagement position falls into the array range; second grouting holes penetrate through the hard stratum and intersect with the first grouting holes, and the two ends of each second grouting hole are provided with one-way valves for exhausting air; the first grouting holes are grouted, the three-dimensional detection radar is used for detecting grout filling conditions in the disengagement position, the first grouting holes and the second grouting holes, and grouting is stopped when the disengagement position, the first grouting holes and the second grouting holes are full of the grout; and after grouting is stopped, the detection radar is used for detecting and examining the filling portions again, and the portions which are not filled with grout are drilled and grouted again. The problem that the sedimentation rates of the hard stratum and a soft soil layer are different is solved through the method.

The invention relates to a method for repairing a bridgehead abutment position of a road surface. The method comprises the steps that a detecting radar is used for detecting the void position in a damaged bridge approach slab, the positions of first injected holes are marked in the surface of the approach slab and are drilled, the first injected holes reach a hard soil layer, the first injected holes are arranged in an array way, the central distance of the adjacent first injected holes is 10-20cm, the void position drops in the array range, second injected holes communicate a soft soil layer and are intersected with the first injected holes, the two ends of each second injected hole are provided with an exhaust single-way valve respectively, the first injected holes are grouted, a three-dimensional detecting radar is used for detecting the void position and the slurry filling condition inside the first injected holes and the second injected holes in time, and when the void position, the first injected holes and the second injected holes are filled with the slurry, the grouting is stopped; the detecting radar is used again for detecting and re-checking the filling position after the grouting is finished, and the positions which are not filled with the slurry are drilled and grouted again. The method solves the problem that the hard soil layer and the soft soil layer are different in sinking speed.

The invention discloses a preparation method of an anti-impact damping rubber material and belongs to the technical field of preparation of rubber materials. The method includes the steps of: 1) stirring magnesium chloride, a surfactant OP-10, white carbon black, carbon black and the like and performing ultrasonic vibration, adding ammonia water and allowing the mixture to stand, and filtering the mixture and washing a filter residue to obtain a core-shell structure composite material; 2) drying and calcining the composite material to obtain a reinforcing filler, and mixing natural rubber, eucommia ulmoides gum and butadiene rubber, and heat-mixing the components with stearic acid, an anti-aging agent, an accelerant and the like, and adding the reinforcing filler and a silane coupling agent to mix the components to obtain a mixed rubber compound; and 3) finally shaping the mixed rubber compound into strips and vulcanizing the rubber strips to produce the anti-impact damping rubber material. The preparation method is simple. The anti-impact damping rubber material has high anti-impact strength, has damping function and excellent anti-wear property, is not liable to age and deform, is greatly improved in practicability and prolonged in service life, and has wide market application prospect.