34results about How to "Improve long-term durability" patented technology

The invention discloses a marine low-temperature concrete additive and a preparation method thereof, and belongs to the technical field of concrete admixtures. The marine low-temperature concrete additive is prepared from the following raw materials: silane / polymer hybrid modified silicon dioxide, anti-freezing fibers, an air entraining and water reducing agent, silica fume, sodium hexametaphosphate and calcium chloride. Through scientific proportioning of silane / polymer hybrid modified silicon dioxide, compound anti-freezing fibers and other components, on one hand, cement matrix interface bonding is enhanced, the integrity of the internal structure of concrete is improved, microcrack initiation in the freezing and thawing cycle process is reduced, and the surface hydrophilicity of the hybrid modified silicon dioxide is enhanced; according to the present invention, by adding the cross-linked polymer, the dispersibility can be improved, the pore structure of the concrete can be optimized, the macroporosity can be reduced so as to reduce the freeze-thaw damage risk and improve the freeze-thaw erosion resistance of the concrete, and the cross-linked network structure is formed in the cement matrix so as to improve the strength and the toughness of the concrete and enhance the freeze-thaw resistance.

The invention provides a nano modified composite cementing material, which relates to the technical field of cementing materials, and comprises the following components: slag, construction waste powder, a nano material, an alkali activator and water. By introducing the nano material, the pore structure of the solid waste-based material is remarkably improved, and the gelling capacity, mechanical property and durability of the solid waste-based material are improved. Meanwhile, the material also has relatively strong crack resistance, and the photocatalytic performance and the self-cleaning function of the material can be improved by introducing a functional nano material.

The invention discloses a sausage casing repairing component, which belongs to the technical field of sausage casing repairing, and comprises a U-shaped bracket, and a repairing sleeve piece is arranged at one end of the U-shaped bracket; a cavity channel of the repairing sleeve part is internally provided with a repairing annular inner supporting air bag which can extend to a broken hole in an inner cavity of the casing part and is expanded through blowing of an air compressor gun to apply force to the broken hole of the casing part for inner supporting; the outer wall of the peripheral side of the repairing sleeve part is sleeved with a repairing annular outer supporting air bag in a clearance mode, and the repairing annular outer supporting air bag can move to a broken hole in the position, aligned with the repairing annular inner supporting air bag, of the peripheral side of the casing part and expands through blowing of an external air pump to apply force to wrap and support the outer portion of the casing part broken hole patch. An overturning transmission mechanism for overturning a to-be-repaired broken hole of the casing piece to a position convenient to repair is arranged outside one end, far away from the casing piece, of the repairing sleeve piece. Through the design of inner and outer clamping and supporting, bonding between the patch and the casing piece is firmer, and the quality of the casing is improved.

The invention discloses a solid waste-based multifunctional tailing asphalt pavement material and a preparation method thereof, and the pavement material comprises the following components in parts by mass: 4.5-5.5 parts of polyurethane modified asphalt, 45-60 parts of titanate modified iron tailings, 2-5 parts of surface activated copper tailing powder, 20-35 parts of copper tailing sand and 0.5-1.0 part of acetic anhydride modified wollastonite fiber. The high and low temperature performance, the durability and the self-healing performance of the asphalt mixture are comprehensively improved by modifying the solid waste tailing material and the asphalt, and the application range of the asphalt mixture is effectively widened.

The invention discloses a linear engineering assembly type combined calandria construction method. The construction method specifically comprises the following steps of prefabrication of calandria, excavation of a construction area, arrangement of a cushion layer, installation of the calandria, treatment of connectors and backfilling. The prefabricated standard length of the calandria is 6 meters, and the calandria is provided with connecting holes and spiral compression-resistant ribs; the digging depth of the groove is 1.2-1.5 times of the outer diameter of the calandria, and a water collecting well and drainage measures are arranged; the surface of the cushion layer is provided with a drainage slope and a drainage groove; a QY25K type crane is used for hoisting the calandria, and the alignment precision is ensured; multiple sealing is performed at the joint; and performing layered compaction and settlement monitoring in the backfilling process. According to the construction method, the construction efficiency and quality are improved, and the influence on the environment is reduced.

The application provides a kind of underwater concrete rapid repair material, by weight fraction, including the following components: cementing material system 67-80 parts, dual functional graphene system 0.6-1.2 parts, intelligent curing adjustment system 3-5 parts, auxiliary additive 2-3 parts, filler system 20-25 parts and water 18-25 parts;The dual functional graphene system includes hydrophilic amino graphene and hydrophobic sulfhydryl reduced graphene oxide, and the mass ratio of the two is (1.2-1.8):(0.8-1.2);The intelligent curing adjustment system includes microcapsule coated temperature-sensitive coagulant 2-3 parts and in-situ whisker generation precursor 1-2 parts.The application realizes underwater rapid curing, strong bonding, high toughness, long-term protection integration, and provides a high-performance solution for the rapid repair and emergency repair of hydraulic and marine infrastructure.

The present invention discloses a light-conversion bearing film for 0BB photovoltaic encapsulation and a preparation method and application thereof. The light-conversion bearing film comprises a UV light absorbing layer, a UV light conversion layer and a bonding layer formed by multi-layer co-extrusion in sequence; the thickness ratio of the UV light absorbing layer, the UV light conversion layer and the bonding layer is 1:(1-2):(0.5-3). The multi-layer structure of the UV light absorbing layer, the UV light conversion layer and the bonding layer formed by multi-layer co-extrusion realizes a multifunctional combination. The UV light conversion layer gives the bearing film a light conversion ability, thereby improving the photoelectric conversion efficiency of the component. The UV light absorbing layer increases the absorption of UV light, and the bonding layer improves the bonding performance of the bearing film. At the same time, the UV light absorbing layer and the bonding layer sandwich the UV light conversion layer, which blocks water vapor from penetrating into the UV light conversion layer to a certain extent, thereby extending the long-term durability of the UV light conversion agent of the UV light conversion layer.

The utility model relates to the technical field of bricks, and particularly discloses a low-carbon environment-friendly self-cleaning brick which comprises a brick body, a photocatalytic film layer, a biochar layer and a water permeable layer are respectively arranged on the top surface of the brick body, a waterproof layer is arranged on the bottom surface of the brick body, the photocatalytic film layer is made of titanium dioxide, the biochar layer is made of biochar, and the water permeable layer is made of water. According to the low-carbon environment-friendly self-cleaning brick, the photocatalytic film layer, the biochar layer and the water permeable layer are arranged on the top face of the brick body, harmful gas in air can be effectively decomposed, pollutants can be strongly adsorbed, rainwater can be promoted to permeate rapidly, and therefore the low-carbon environment-friendly self-cleaning brick has the advantages of being environmentally friendly, environmentally friendly and capable of being recycled. And the waterproof layer arranged on the bottom surface of the brick body effectively prevents water in the brick body from leaking to the outside of the brick body, so that damages such as corrosion, deformation and the like of a building structure caused by accumulated water erosion are reduced, the durability is improved, and the practicability is high.

The invention relates to the technical field of environment regulation and control, in particular to a plant root domain microclimate environment regulation and control method capable of adaptively regulating moisture and heat, which comprises the following steps: preparing a bionic microelectrode array capable of specifically sensing a root electric signal; constructing an electric signal-chemical signal conversion layer; printing a multi-channel bionic catheter network with a fractal structure and assembling a photo-thermal response micro-valve; and finally, integrating the intelligent microcapsule and the microbial system to form a functional module. According to the method, a signal is efficiently captured through a graphene-membrane protein interface, the signal is converted into a chemical instruction through a ferrocene / heme system, a liquid crystal valve is driven to regulate and control the water and gas flux in a fractal network, and the phase change heat storage and self-repairing functions of microcapsules are combined; an intelligent root domain environment system capable of dynamically responding to plant physiological needs, resisting environmental stress and promoting microbial symbiosis is constructed in a cooperative mode, and the water utilization efficiency and the ecological restoration effect are remarkably improved.

The invention discloses a concrete curing system and method based on multi-technology fusion, and belongs to the technical field of concrete curing. The problems that an existing concrete curing technology is long in period and single in efficiency are solved. The device comprises a curing box body, a microwave acceleration curing module, a CO2 curing module and a microorganism curing module, wherein the curing box body is sequentially provided with a microwave acceleration area, a CO2 curing area and a microorganism curing area from front to back; the microwave acceleration curing module is arranged in the microwave acceleration area and is used for heating the concrete test piece; the CO2 curing module is arranged in the CO2 curing area and is used for performing pressurized carbonization curing on the concrete test piece; the microorganism curing module is arranged in the microorganism curing area and is used for repairing micro-cracks appearing on the concrete test piece. The concrete test piece curing device is mainly used for curing concrete test pieces.

The utility model relates to tire technical field discloses a kind of lightweight, low deformation's tire, including bead, the outer wall of bead is provided with tread, the tread is uniformly provided with pattern block, the inner wall of bead is provided with bead wire in one end near bead center, the inner wall of bead is provided with pad rubber in one end away from bead center, the outer wall of pad rubber is sleeved with belt, the pad rubber adopts ingot type pad rubber, the tread adopts wing type tread, the belt 1 belt layer adopts B45-33ST 24 °, 2 belt layer adopts B45-33ST 18 °, 3 belt layer adopts B40-35HI 18 °, 0 ° belt layer adopts B40-22HE.In the utility model, wing-shaped tread and ingot type pad rubber are used to respectively improve structural performance and balance inner contour, and by matching belt layer of different width, the tension of necessary part is improved.

This invention relates to the field of grouting technology, specifically disclosing an adaptive micro-expansion organic-inorganic hybrid grouting and sealing material and its preparation method, which consists of two components, A and B: Component A is a pumpable viscous liquid, comprising the following components by weight: 90-110 parts of castor oil-based polyurethane prepolymer, 5-15 parts of sulfonate-modified nano-montmorillonite, 8-15 parts of plasticizer, and 3-8 parts of functional nanofibers; Component B is a free-flowing solid powder, which is a microencapsulated water-based curing agent, used in an amount of 10-30 parts by weight. This invention utilizes the ordered interlayer water absorption characteristics of sulfonate-modified nano-montmorillonite to achieve mild and controllable micro-expansion upon contact with water, effectively overcoming the risks of excessive internal stress and structural damage caused by the violent and uncontrollable foaming of traditional hydrophilic materials, ensuring the safety and effectiveness of filling in a closed base plate environment.

The invention relates to the technical field of high-performance concrete, and particularly discloses a green superfine high-performance composite admixture as well as a preparation method and application thereof. The green superfine high-performance composite admixture is prepared from the following raw materials: fly ash, silica fume, a silane coupling agent, mesoporous silica, waste building materials, nano calcium carbonate, nano bentonite, polyethylene wax, paraffin, fatty glyceride, calcium lactate, acrylamide, ammonium persulfate, a bacillus alcalophilus agent, limestone powder, urea, a light calcined magnesia expanding agent and quartz powder. Redispersible latex powder and a defoaming agent. The invention is green and environment-friendly, effectively saves the cost input, has the characteristic of self-repairing, can be applied to concrete engineering in harsh environment, and effectively improves the long-term durability of high-performance concrete.

The embodiment of the invention provides surface-treatment-free PVC artificial leather. The surface-treatment-free PVC artificial leather comprises a functional PVC surface layer, a PVC foaming layer, a glue layer and a base cloth layer, wherein the functional PVC surface layer at least contains PVC resin, a plasticizer, linear polydimethylsiloxane, talcum powder, hollow glass beads and a thermal reversible cross-linking agent, and does not contain a polyurethane surface treatment layer. According to the surface-treatment-free PVC artificial leather, the failure risk of a polyurethane surface treating agent layer is eradicated, a series of interface reliability problems of interlayer adhesion reduction, surface layer swelling, softening, pulverization and the like caused by plasticizer migration are fundamentally eliminated by canceling the polyurethane surface treating agent layer, the long-term durability of the product is qualitatively improved, and the service life of the product is prolonged. The performance of the material is derived from the material body, and even if the surface is worn due to long-term use, the newly exposed material still has the same chemical components and functions, so that the stable performance of the product is realized.

The invention relates to a capillary tube type underground structure drainage system and a construction method thereof.The system comprises an underground structure bottom plate and an underground structure side wall, a transverse structure construction joint and a transverse structure deformation joint are arranged on the underground structure bottom plate and transversely extend to the underground structure side wall, and a water collecting pit is further formed in the underground structure bottom plate; transversely-arranged capillary drainage pipelines are arranged on the two longitudinal sides of the structural construction joint and the structural deformation joint and communicate with the longitudinally-arranged capillary drainage pipelines, and the longitudinally-arranged capillary drainage pipelines penetrate through the structural construction joint and the structural deformation joint and are connected into the water collecting pit. On the basis of the concept of external prevention and internal drainage, the waterproof and drainage measures of the underground structure are perfected, on the basis that the exterior of an original underground structure is completely wrapped with water, crisscrossed capillary drainage pipelines are arranged in the structure, joint leakage water, underground structure surface leakage water and the like can be effectively guided and drained to a water collection pit, safe use of the underground structure is ensured, and the construction cost is reduced. And the long-term durability of underground engineering is improved.

The invention discloses a bearing grouting material, comprising the following components by mass: 5-20 parts of ordinary Portland cement, 30-50 parts of fast-hardening high-iron sulphoaluminate cement, 3-5 parts of expansive hydration accelerator, 2-6 parts of silica fume, 30-50 parts of quartz sand, 0.2-0.6 parts of superplasticizer, 0.2-0.5 parts of retarder, 0.01-0.03 parts of viscosity modifier, 0.04-0.2 parts of early strength agent, and 0.1-0.3 parts of defoamer. The high-flexural and high-early-strength bearing grouting material of the invention has the characteristics of high early flexural strength, high compressive strength, high fluidity, self-flowing and compacting, good anti-bleeding and segregation, micro-expansion, and good long-term durability, and is suitable for gravity grouting of spherical bearings of railway bridges and highway bearings.

The invention discloses a preparation method of a light filler, a railroad bed structure and a laying method of the railroad bed structure. The preparation method comprises the following steps: preparing raw materials according to a certain ratio, wherein the raw materials comprise Portland cement, fly ash, hollow glass beads, a polycarboxylic acid water reducing agent and a liquid foaming agent formed by compounding alkyl sulfonic acid alkali metal salt and hydrolyzed protein according to a mass ratio; the preparation process of the light filler comprises the following steps: diluting a foaming agent and preparing foams; mixing and stirring; forming and maintaining; the volume weight of the light filler is designed, specifically, the total volume of the mixed dry material, the total volume of needed water and the foam mass of the light filler are accurately calculated, and the design density of the light filler is determined. According to the invention, rapid first-aid repair and emergency response can be realized, extreme environments are adapted, structural stability is improved, durability is enhanced, heat and sound insulation performance is improved, balance of light weight and high strength is realized, and environment friendliness is realized.

This invention relates to a novel metallocene compound, a catalyst composition comprising the metallocene compound, and a method for preparing olefin polymer using the catalyst composition.

This invention discloses a method for preparing an inorganic water-based transparent coating for concrete durability protection and its application, relating to the field of building materials technology. The preparation method includes: mixing and diluting lithium silicate and potassium silicate, then adding nano-silica sol to react and obtain a composite mother liquor; adding soluble zinc salt and boric acid to the composite mother liquor and mixing evenly to obtain a transparent coating; applying the transparent coating to the concrete surface, where silicate ions in the coating react with calcium ions in the concrete, and under the crystal induction effect of zinc ions, nanofiber-like hydrated calcium silicate whiskers are generated in situ. The whiskers overlap to form a three-dimensional network structure, and after drying, an inorganic water-based transparent coating is obtained. This invention solves the problem of high brittleness and easy cracking of pure inorganic coatings by in-situ generation of nano-whiskers to enhance the network through zinc salt induction, while maintaining high transparency of the coating. It also has the advantages of chemical bonding with concrete, excellent durability, and simple construction.

The invention relates to a pipe piece circular seam quick connector based on direct insertion type bolt mechanical engagement and a construction method. A special-shaped mortise is located in the splicing end face of the circular seam position of a shield pipe piece, and a mortise side face reserved groove is formed in the inner wall of the hole; a rotary clamping point is arranged on the outer wall of the mortise joint nut, and the rotary clamping point is clamped into a groove reserved in the side face of the mortise after the mortise joint nut is inserted into the special-shaped mortise; connecting screws are inserted into the positioning tenons, and the two ends of each connecting screw are inserted into mortise joint nuts on the two sides of the pipe piece circular seam respectively; and the positioning tenon at the circular seam position of the segment and the two mortise joint nuts are connected with each other through the same connecting screw rod, so that the two adjacent shield segments are tightly spliced. On the basis of a direct insertion type rapid connection and positioning connection integrated segment seam splicing concept, a bolt direct insertion type connection mode is adopted, and the mortise joint nuts on the two sides of the circular seam are connected through the positioning tenon and the straight screw rod, so that rapid connection is achieved, hand holes for conventional seam bolt connection are eliminated, and the lining structural rigidity of the seam position is improved.

The invention relates to a composite construction method for enhancing the integrity of a bridge deck slab, which comprises the following steps of: welding double-layer shear nails at the joint of a prefabricated bottom-layer bridge deck slab and a steel main beam, sequentially mounting a ribbed steel template, a bottom-layer bridge deck slab steel bar truss, longitudinal steel bars and through steel bars, and pouring concrete to obtain the bottom-layer bridge deck slab; connecting the bottom-layer bridge deck with the steel main beam, enabling the bottom-layer bridge deck and the steel main beam to form a pi-shaped structure, hoisting the pi-shaped structure to the cover beam, and pouring concrete until the overall height of the bridge deck is met. Compared with the prior art, the overall performance of the steel plate composite beam bridge deck slab can be guaranteed by prefabricating and installing the bottom layer bridge deck slab and then adopting cast-in-place, and the long-term durability of the steel plate composite beam bridge deck slab is improved. The two construction methods of prefabrication and installation and the permanent formwork are fused, the overall performance of the steel plate composite beam is enhanced, the integrality and durability of the bridge deck slab are greatly improved compared with prefabrication and assembly construction, the steel consumption is greatly reduced compared with permanent formwork construction, and the economical efficiency is improved.

The invention discloses a catalyst structure, a device and a method for preparing synthesis gas. The catalyst structure for preparing synthesis gas includes: a substrate including a flow path separated by a partition wall; and a catalytic material disposed on a surface of the partition wall of the substrate and including a metal oxide support and metal active particles supported on the metal oxide support, in which the substrate includes silicon carbide (SiC), silicon nitride (Si3N4), a metal silicon (Si)-silicon carbide (SiC) composite, a metal silicon (Si)-silicon nitride (Si3N4) composite, or a combination thereof.

The application discloses an acrylic mirror panel for a sound panel, which comprises, from top to bottom, a varnish protection layer, an aluminum plating layer and an acrylic substrate layer, wherein the varnish protection layer is formed by a varnish spray curing process with components of acrylate resin, polyurethane acrylate resin and photoinitiator. A preparation method of the acrylic mirror panel for the sound panel comprises vacuum aluminum plating, varnish spraying and curing steps, and the panel has excellent wear resistance, adhesion and high reflectivity.

This invention relates to the field of offshore wind power piling technology and discloses an underwater grouting connection structure for piling. The structure includes a grouting pipe, one end of which is fixedly connected to a support base. A main sleeve is fixedly connected to one side of the support base. The sealing mechanism includes an outer ring body, one end of which is fixedly connected to the main sleeve. An inner ring pipe is fixedly connected to the inner wall of the outer ring body. A transmission rod is fixedly connected to one side of the outer ring body, and the end of the transmission rod away from the outer ring body is fixedly connected to the inner wall of the inner ring pipe. The protective component includes an arc-shaped pad, which is fixedly connected to the inner wall of the inner ring pipe. A connecting pipe is fixedly connected to the right side of the arc-shaped pad, and a protective pad is fixedly connected to one end of the connecting pipe. By setting up the sealing mechanism, wear-resistant teeth push outward along the sliding groove on the inner wall of the inner ring pipe, with the tooth tips embedding and pressing against the inner wall of the steel pipe pile. This significantly increases the static friction between the sealing structure and the pile wall, preventing the upward counter-pressure of the grout during the grouting process from pushing the sealing structure and causing slippage.

The invention relates to the technical field of soft soil treatment, and discloses a curing agent for coastal soft soil and a manufacturing process of the curing agent. The process comprises the following steps: carrying out coarse and fine grading pretreatment on the furnace bottom slag, carrying out acid activation treatment on the zeolite powder, carrying out surface modification treatment on the basalt fiber, preparing a component A delayed coagulation curing agent, preparing a component B coagulation accelerating curing agent, and compounding the two components in proportion for use. The curing speed can be adjusted within 15-90 minutes by compounding the component A and the component B according to different mass proportions, and a double-phase structure of a rigid framework and a gelling matrix is formed by the surface modified basalt fibers and graded furnace bottom slag coarse particles. The rheological property of slurry is adjusted through selective ion adsorption of acid activated zeolite powder and molecular chain extension of hydroxypropyl methyl cellulose, and the technical problems that a coastal soft soil curing agent is large in brittleness, poor in construction adaptability, non-adjustable in curing speed and low in synergistic utilization rate of various solid wastes are solved.

The invention discloses an anti-seismic assembly type railway foundation bed surface layer structure and a construction method thereof, and aims to greatly improve the site construction efficiency of a newly-built railway and improve the rapid reconnection capability of a railway foundation in extreme disaster and special geological climate environments. Comprising the steps that an assembly type railroad bed is laid above a foundation, and a waterproof layer is arranged above the assembly type railroad bed; the waterproof layer is a novel asphalt graded broken stone full-section closed layer, the subgrade bed surface layer structure is formed by combining a main body base block, a left side slope protection triangular base block and a right side slope protection triangular base block, a base block structure form main body is of a cube structure, and the two sides of a slope are of a triangular structure; each base block is prepared from a foam light material consisting of Portland cement, fly ash, a foaming agent, tap water and hollow glass beads; the surface layer of the anti-seismic assembly type railway foundation bed adopts a single-point mortise and tenon connection mode, that is, adjacent foundation blocks are embedded into a whole in a concave-convex mode. The method is suitable for railroad bed engineering in a high-intensity earthquake area; the method can be used for rapid repair of railroad beds in extreme disasters and special geological climate environments.

Provided are a polishing pad and a method of manufacturing a semiconductor device using the same, the polishing pad having a structure that maximizes a water leakage prevention effect, including: a polishing layer including a first surface and a second surface, and a first through-hole passing through the first surface to the second surface; a window disposed in the first through-hole; and a support layer disposed on the second surface side of the polishing layer, including a third surface and a fourth surface, and a second through-hole passing through the third surface to the fourth surface while being connected to the first through-hole, the second through-hole being smaller than the first through-hole, a lowermost end surface of the window being supported by the third surface, a first adhesive layer being included between the lowermost end surface of the window and the third surface, a second adhesive layer being included between the second surface and the third surface and between the lowermost end surface of the window and the third surface, a barrier layer being included on one surface of the second adhesive layer, and the support layer including a compression portion in a region corresponding to the lowermost end surface of the window.

The utility model provides a waterproof connecting structure of an anti-floating anchor rod node, and belongs to the technical field of anti-floating anchor rod construction of constructional engineering. The structure comprises an anti-floating anchor rod, a waterproof connecting assembly, a polymer cement waterproof mortar layer and a fine aggregate concrete protection layer. The lower end of the anti-floating anchor rod is anchored in the concrete anchoring body of the basement structure layer, and the upper end penetrates through the anchoring plate through hole; the waterproof connecting assembly is composed of an anchoring plate and a pre-buried support, the lower end of the pre-buried support is pre-buried in the concrete anchoring body, and the anchoring plate is fixed between the supports. The concrete cushion layer and the anchoring body are sealed through polyurethane sealant, and a waterproof mortar layer, a self-adhesion waterproof roll and a reinforced fine aggregate concrete protection layer are sequentially laid on the concrete cushion layer and the anchoring body to form a totally-closed waterproof system. Through the design of multi-layer collaborative protection and the rigid support, the problems that a traditional joint is prone to leakage, and the anchor plate displaces are solved, the horizontal displacement resistance is improved, the construction efficiency is improved, and the anti-floating joint is suitable for anti-floating projects such as basements and basement and has high waterproofness, structural stability and economical efficiency.

The invention discloses a preparation method and application of an anti-aging water-based adhesive, and relates to the technical field of water-based adhesive preparation.The preparation method comprises the steps that wheat straw is smashed for 25-35 min and mixed with a sodium hydroxide solution with the mass fraction of 20%, the mixture is heated to 65-75 DEG C, heat preservation soaking is conducted for 60-80 min, a malic acid solution is added and mixed, filter residues are collected, a modified material is added, and the anti-aging water-based adhesive is obtained. Adding dodecyl trimethyl ammonium bromide accounting for 3-5% of the mass of the montmorillonite, then adding lauryl sodium sulfate, pouring the modified fiber resin and the modified montmorillonite solution into a reaction kettle with a stirrer, pouring tannic acid and chitosan, stirring and discharging to obtain the anti-aging water-based adhesive. According to the preparation method and application of the anti-aging water-based adhesive, the water-resistant strength of the water-based adhesive is improved, the service life of the water-based adhesive is prolonged, the sealing performance of the water-based adhesive is effectively improved, the waterproof and air-proof effects of the water-based adhesive are improved, and the application limitation of the water-based adhesive in some production processes needing rapid processing can be reduced.

The invention discloses a basalt short fiber reinforced concrete outdoor hollow decorative plate and a preparation method thereof, and relates to the field of fabricated buildings. In order to solve the problems that a traditional concrete outdoor hollow decorative plate is prone to cracking, large in dead weight and insufficient in durability, and basalt short fibers are prone to agglomeration and weak in bonding force with a matrix interface, the modified basalt short fibers are prepared through heat treatment in combination with modification of a modified coating solution, and activated silica fume, pretreated fly ash, compound cement and other raw materials are mixed; according to the preparation method, the interface bonding property and the matrix microstructure among the raw materials are optimized, the compression resistance, the crack resistance and the bending strength of the decorative plate are effectively improved, the water absorption rate is reduced, light weight and durability are both considered, and the decorative plate has the advantages of being simple in preparation process, low in cost and high in practicability. And the requirements of assembly type construction are met.