22results about How to "Maintain durability" patented technology

The invention relates to the technical field of building materials, and particularly discloses high-strength lightweight concrete containing hollow glass beads and a preparation method of the high-strength lightweight concrete. The high-strength lightweight concrete containing the hollow glass beads is prepared from cement, fly ash, carbon fiber grafted hollow glass beads, lightweight sand, deionized water, polypropylene fiber grafted rubber particles and a water reducing agent according to the mass ratio of (58-75): (25-38): (45-65): (20-40): (42-55): (35-55): (5-12) through mixing, mold filling, vibration molding, covering and demolding. The addition amount of the hollow glass beads is strictly controlled, the influence on the overall strength of the concrete is avoided, the density and weight of the concrete are reduced due to the addition of the light sand and the hollow glass beads, the compactness and integrity of the concrete are improved due to the synergistic effect of the two added fibers, and the raw materials have excellent cohesiveness; the concrete can effectively absorb and disperse stress, and has the advantages of excellent strength, light weight, good durability and excellent comprehensive performance.

The invention provides high-thermal-insulation wear-resistant rubber and a preparation method thereof. Comprising the following steps: taking raw nitrile rubber, carrying out open milling, adding zinc oxide, stearic acid, microcrystalline wax and an anti-aging agent, and carrying out mixed open milling; adding the thermal-insulation wear-resistant filler into the open milling system, and uniformly mixing; adding an accelerant TMTD and sulfur, carrying out triangular package making for multiple cycles, carrying out thin-passing to obtain sheets, and standing to obtain a rubber compound; and putting the rubber compound into a plate mold, and vulcanizing by using a plate vulcanizing machine. A multi-layer heat insulation structure is formed by adopting the heat preservation and wear-resisting filler compounded by the hydrophobic porous aluminum oxide hollow spheres and the dendritic silicon dioxide, the hydrophobic porous aluminum oxide hollow spheres can effectively prevent heat conduction due to a hollow air filling structure, the heat conductivity is very low, and meanwhile the heat preservation and wear-resisting properties of the hydrophobic porous aluminum oxide hollow spheres are greatly improved due to the hydrophobic characteristic of the hydrophobic porous aluminum oxide hollow spheres. The low-thermal-conductivity ceramic is free from the influence of moisture and keeps stable low thermal conductivity, and the dendritic silicon dioxide can be used as a skeleton support and keeps the stability and durability of the whole low-thermal-conductivity ceramic.

The invention provides a BODIPY light-caged chemiluminescent molecule. The structure of the BODIPY light-caged chemiluminescent molecule is shown as a formula (I): # imgabs0 # (I), wherein the number of the imgabs is 1 #. The BODIPY light-caged chemiluminescence molecule can generate a chemiluminescence signal under an illumination condition, the luminescence process is simple to operate, and the BODIPY light-caged chemiluminescence molecule has the characteristics of high luminescence brightness and good chemical stability. Based on the BODIPY light-caged chemiluminescent molecule, the invention also provides a method for synthesizing the BODIPY light-caged chemiluminescent molecule, and an application of the BODIPY light-caged chemiluminescent molecule in chemiluminescence immunoassay. The invention also provides a BODIPY light-caged chemiluminescent nano-microsphere, and the BODIPY light-caged chemiluminescent molecule Bsa-CPMs is loaded in the polystyrene nano-microsphere PS by adopting a swelling method. The invention further provides a preparation method of the BODIPY light-caged chemiluminescent nano-microsphere. The invention also provides an application of the BODIPY light cage chemiluminescence nano-microsphere in chemiluminescence immunoassay.

The utility model discloses a water-repellent zipper which comprises a first zipper tape and a second zipper tape which are oppositely arranged, and zipper teeth are arranged on the edges of the first zipper tape and the second zipper tape respectively. The zipper head is matched with zipper teeth on the first zipper belt and the second zipper belt and used for controlling opening and closing operation of the zipper. The outer edges of the upper end face and the lower end face of each zipper tooth are respectively provided with a layer of rubber ring, the rubber rings are directly fixed to the surfaces of the outer edges of the zipper teeth through a thermal forming technology, and the rubber rings are firmly connected with the zipper teeth through the material viscosity of the rubber rings. The zipper is suitable for application scenes requiring short-time water-repellent performance, such as backpacks, sportswear, outdoor articles and the like, moisture permeation can be effectively prevented on the premise of low cost, and meanwhile opening and closing smoothness and durability of the zipper are kept.

The invention relates to the technical field of elastic floor tile materials, in particular to an elastic floor tile material prepared based on silicone rubber modification and a preparation method of the elastic floor tile material. Maleic anhydride grafted polypropylene and ethylene propylene rubber serve as main raw materials to prepare an elastomer base material, and a compact cross-linked network structure can be formed in the material; the high-strength elastic base material can effectively resist the impact of external force; in the preparation process of the floor tile material, raw materials and processes which are harmless to human bodies are adopted, so that the floor tile material is soft and comfortable in surface touch feeling, does not cause irritation or harm to skin, and is particularly suitable for places needing to frequently contact with the human bodies; therefore, the elastic floor tile material prepared based on silicone rubber modification has excellent physical and mechanical properties, excellent weather resistance, environmental protection, safety, diversified application scenes and personalized customization capability.

The utility model discloses a self-locking opening packaging box which is used for packaging products. The packaging box comprises an upper box, an inner periphery and a pressing structure, and the upper box covers the inner periphery and is connected with the inner periphery in a matched mode through the pressing structure; the inner periphery is provided with a mounting hole, the pressing structure is fixed on the inner periphery through the mounting hole, the upper box is provided with a fixing hole, the pressing structure is provided with a movable pressing part, the pressing part has a first position state and a second position state, and when the pressing part is in the first position state, the pressing part is in the second position state. When the pressing part is in the first position state, the top surface of the pressing part is flush with the surface of the inner enclosure, so that the inner enclosure and the upper box are unlocked, and when the pressing part is in the second position state, the top surface of the pressing part protrudes out of the fixing hole, so that the inner enclosure and the upper box are locked.

The wearable exoskeleton is characterized in that upper limb supporting units are fixed to the left side and the right side of a trunk fixing unit respectively, two lower limb supporting units are fixed to the lower portion of the trunk fixing unit, double-tube-shaped buckles are arranged at wrist joints of the upper limb supporting units and thighs of the lower limb supporting units, and infrared detectors are arranged close to the double-tube-shaped buckles; the first hoop and the second hoop of the double-tube-shaped buckle are oppositely arranged, the outer sides of the first hoop and the second hoop abut against pressing pieces, and the inner sides of the first hoop and the second hoop are provided with nylon bandages. The wearable exoskeleton brings comprehensive limb support through the integrated design of the wearable exoskeleton, so that the strength and endurance of the user are enhanced. The double tubular buckles are used in cooperation with the nylon bandages, so that a rapid and accurate adjusting mechanism is provided to adapt to different body types, and the wearing stability and comfort are guaranteed. The integration of the infrared detector further improves the intelligent level of the operation, and realizes the accurate response to the user action. The exoskeleton system mainly can achieve quick wearing, and in addition, convenient, safe and comfortable use experience is provided.

The invention discloses a single-layer effect alkali-decrement light-weight quick-drying antibacterial weft knitting fabric and a production method thereof. The single-layer effect alkali-decrement light-weight quick-drying antibacterial weft knitting fabric is formed by interweaving 40S microporous blended yarns and 50D / 36F Dupont SORONA two-component fully-drawn polyester FDY (Fully Drawn Yarn) filaments, wherein the 40S microporous blended yarns are woven with the 50D / 36F Dupont SORONA two-component fully-drawn polyester FDY filaments; the microporous blended yarn covers 50D / 36F Dupont SORONA two-component fully-drawn polyester FDY filaments and is formed by interweaving through a fine weaving process, and a plain front coil layer and a plain back coil layer are formed; the yarn weight ratio of the 40S microporous blended yarns to the 50D / 36F Dupont SORONA two-component fully drawn polyester FDY filaments is (70%-74%): (26%-30%); according to the single-layer effect alkali-decrement lightweight quick-drying antibacterial weft-knitted fabric, the processes of alkali decrement, acid pickling, antibiosis and the like are carried out in the dyeing and finishing process, so that the surface touch of the fabric is softer and more skin-friendly, a cloth cover style between two hues is formed, in addition, the single-layer effect alkali decrement lightweight quick-drying antibacterial weft-knitted fabric is endowed with the functions of light weight, quick drying, antibiosis, deodorization, moisture absorption and breathability, and the fabric is more comfortable and healthy to wear.

The utility model discloses a portable three-dimensional support for a mobile secondary radar, relates to the technical field of radar installation, and solves the technical problems that an existing mobile secondary radar installation support cannot simultaneously fix a plurality of devices, and is heavy and poor in portability. The support comprises a support body, the support body comprises four supporting columns, the top ends of the supporting columns are connected with a hollowed-out top plate, the bottom ends of the supporting columns are connected with a hollowed-out bottom plate, and mounting holes are formed in the front face, the back face, the top face and the bottom face of the support body. The support can support and fix a plurality of devices simultaneously or respectively, and is light in weight, high in structural strength, good in stability and convenient to install.

This invention addresses the shortcomings of existing chemical fiber cutting devices, which, except for short cuts of carbon fiber and glass fiber where length precision is not critical, typically employ fixed-length cutting mechanisms and guillotine-type cutters, requiring manual feeding of the cutter after each cut. To reduce the repetitive process of manually pulling the fiber bundle from the cut surface to the fixed end after cutting, this invention designs a cutting disc mechanism for chemical fiber cutting, comprising: a circulating clamping device for conveying the chemical fiber to a fixed length; clamping and tightening rails located on both sides of the clamping part of the circulating clamping device for adjusting the clamping part; a movable cutting disc device located inside the circulating clamping device, on the upper side of the conveying plane; and a movable support device located inside the circulating clamping device, on the lower side of the conveying plane, cooperating with the movable cutting disc device to cut the chemical fiber held by the circulating clamping device.

The utility model discloses a sponge type permeable asphalt pavement structure with high durability, and relates to the technical field of asphalt pavements, the sponge type permeable asphalt pavement structure comprises a roadbed, a wear-resistant layer and road shoulder grooves, a cushion layer is paved on the top surface of the roadbed, the left side and the right side of the roadbed are provided with the road shoulder grooves, the drainage end of a water collecting hopper is connected with a vertical drainage pipe, and the vertical drainage pipe is connected with a water outlet of the water collecting hopper. And vertical drainage ditches and transverse drainage ditches are longitudinally and transversely formed in the permeable bottom base layer, the cushion layer and the roadbed respectively. The multi-layer drainage system is designed and comprises the vertical drainage pipes, the transverse drainage pipes, the vertical drainage grooves and the transverse drainage grooves, a three-dimensional and efficient drainage network is formed, and the vertical drainage pipes and the transverse drainage pipes are communicated with the road shoulder grooves. The vertical drainage grooves and the transverse drainage grooves are also communicated with the road shoulder grooves, it is ensured that rainwater can be rapidly drained from the interior of the pavement structure or drained into the road shoulder grooves, and pavement water accumulation is effectively prevented.

The invention relates to the technical field of leather production, in particular to a leather production system and method.The leather production system comprises a rack, a feeding and drying mechanism, a cooling mechanism, a softening mechanism, a pressing mechanism, a transferring mechanism and a pricking mechanism, and the feeding and drying mechanism comprises a drying box, a feeding and conveying assembly, a drying and conveying assembly, a constant-temperature conveying assembly and a drying and blowing assembly; the drying box is arranged on the rack, the cooling mechanism comprises a cooling conveying assembly and a discharging conveying assembly, a feeding port and a discharging port are formed in the two sides of the drying box respectively, one end of the feeding conveying assembly extends to the outside of the feeding port, and the other end of the discharging conveying assembly extends to the outside of the discharging port. One end of the discharging conveying assembly extends to the outer portion of the discharging opening and is close to the softening mechanism. Through the efficient, accurate and innovative process characteristics, the leather processing quality and efficiency are remarkably improved.

The utility model provides an auxiliary support for template processing, and relates to the technical field of template processing. According to the utility model, the auxiliary bracket assembly is arranged at the top of the bottom plate, the bracket is used for supporting a template or a workpiece, a plurality of insert cores and demolding insert cores are arranged on the bracket, the design of the insert cores and the demolding insert cores is mainly used for providing flexible adjusting and fixing functions, and the template or the workpiece is placed on the bracket; close combination of the template and the support is ensured through the insert cores, movement or deviation of the template in the machining process is prevented, the template can be conveniently separated from the support after machining is completed due to the arrangement of the demolding insert cores, the difficulty in manual demolding and the possible precision problem are avoided, and the machining efficiency is improved. The first demoulding insert core is used for preliminary loosening when the template is separated, and the second demoulding insert core and the third demoulding insert core provide a more accurate and stable demoulding function, so that demoulding is completed on the premise that the template is not damaged.

The invention discloses a floating type photovoltaic platform based on a modular floating body and an installation method, and belongs to the technical field of new energy. The platform comprises a platform main frame, a photovoltaic module, a buoy and a gravity anchor. The platform main frame comprises a supporting column, a photovoltaic module support, a connecting support and a support base plate. The photovoltaic module comprises a photovoltaic module support and a photovoltaic panel. The connecting support is arranged in the middle area of the supporting column. The photovoltaic module bracket is arranged in the top area of the supporting column; the buoy is arranged on the supporting column, and the support base plate is arranged at the bottom of the supporting column. The support base plate is connected with a gravity anchor, and a plurality of photovoltaic panels are arranged above the photovoltaic module support. While the structural strength and stability of the platform are ensured, the platform is modularly designed, the photovoltaic power generation efficiency is improved, and the platform can cope with complex water environments and severe weather conditions.

The utility model discloses a non-conductive appearance decorating part, which relates to the technical field of decorating parts and comprises a smooth material layer and a UV (ultraviolet) composite decorating effect layer, the bottom of the UV composite decorating effect layer is fixedly adhered with a PVD (physical vapor deposition) layer, the bottom of the PVD layer is fixedly adhered with a printing color layer, the bottom of the printing color layer is fixedly adhered with a printing protection bottom ink layer, and the bottom of the printing protection bottom ink layer is fixedly adhered with a printing protection bottom ink layer. The PVD layer is a non-conductive vacuum electroplating target material, a non-conductive target material and an indium tin plating target material, materials such as metal or ceramic are uniformly deposited on the surface of a product in a vacuum deposition mode to form metallic luster or a special color effect, the decoration effect of the product is enhanced, the appearance texture is improved, the PVD layer has high hardness and abrasion resistance, and the product is not prone to deformation. And meanwhile, the non-conductive material has excellent chemical stability and corrosion resistance, and the PVD layer can be used for improving the insulating property of the non-conductive material, reducing the generation of static electricity and avoiding the influence of the static electricity on the performance of the product.

The invention discloses a waterproof anticorrosive coating and a preparation process thereof, and relates to the technical field of coatings, and the waterproof anticorrosive coating comprises the following raw materials in parts by mass: 90-100 parts of a component A and 5-8 parts of a component B, the component A is prepared from the following raw materials in parts by mass: 55 to 60 parts of water-based fluorocarbon resin, 10 to 20 parts of water-based hydroxy acrylic resin, 1 to 2 parts of a self-cleaning composite material, 0.5 to 2.5 parts of silica gel particles, 0.2 to 1 part of a dispersing agent, 0.1 to 0.5 part of a defoaming agent, 0.5 to 1 part of a thickening agent, 1 to 2 parts of a film-forming agent and 10 to 20 parts of water; the component B is a curing agent; the silica gel particles are added and matched with the self-cleaning composite material for use, so that the water absorption and release characteristics of the silica gel particles are combined with the photocatalytic performance of silicotungstic acid, and the self-cleaning capacity of the coating and the degradation efficiency of the coating on organic pollutants are remarkably improved.

This disclosure provides a shrink label and a packaging container. The shrink label includes a shrink film layer, a varnish layer with a soft touch, and an graphic information layer. The varnish layer is disposed on the surface of the shrink film layer. The graphic information layer is disposed on the inner layer of the shrink film layer. The packaging container includes a bottle and the shrink label. This shrink label helps to reduce the surface hardness of the shrink label and improves the feel of the shrink label.

The invention discloses an industrial preparation process of an optical-grade fluoride salt product, and relates to the technical field of fluoride salt products, and the industrial preparation process comprises the following steps: (1) obtaining a chloride salt solution; (2) obtaining an intermediate reaction solution; (3) obtaining a sodium fluoborate solution; (4) obtaining a mixed solution; (5) obtaining a reaction system; (6) obtaining a primary reaction material; (7) carrying out modification treatment on the primary reaction material to obtain an optical-grade fluoride salt product; the prepared optical-grade fluoride salt product can be applied to optical glass, and the stability performance of the optical glass can be greatly improved.

Provided is a pneumatic tire that includes a belt reinforcing layer formed of an organic fiber cord, the pneumatic tire allowing for improved steering stability under normal travel conditions and during circuit running while maintaining durability. Two belt layers (7) disposed on an outer circumferential side of a carcass layer in a tread portion is formed of monofilament wires having a wire diameter of 0.30 mm or more and 0.45 mm or less. A belt reinforcing layer (8) disposed on an outer circumferential side of the belt layer (7) is formed of an organic fiber cord that is made of a polyethylene terephthalate fiber and that has an intermediate elongation under a load of 2.0 cN / dtex of from 2.0% to 4.0%. An end (Ec) of the belt reinforcing layer (8) in the tire width direction is disposed between an end (Eb1) of an inner belt layer (7A) in the tire width direction and an end (Eb2) of an outer belt layer (7B) in the tire width direction.