65results about How to "Maintain mechanical properties" patented technology

The invention relates to the field of sealing strips, and discloses a low-VOC (volatile organic compound) automobile sealing strip composite PVC (polyvinyl chloride) material and a preparation method thereof, the material comprises PVC resin, ethylene propylene diene monomer, a modified mesoporous ZIF-8 nano material, composite filler and the like; the modified mesoporous ZIF-8 nano material is prepared by grafting a hydroxylated antioxidant component on the surface of the mesoporous ZIF-8 nano material by using isophorone diisocyanate, and the hydroxylated antioxidant component is prepared by reacting N-(4-anilinophenyl) maleimide with 2-mercaptoethanol; the composite filler is prepared by grafting modified nano silicon dioxide and aminated basalt fiber, the modified nano silicon dioxide is prepared from phenylphosphoryl dichloride, diethanol amine, dibutyl phosphate and isophorone diisocyanate as raw materials, and the aminated basalt fiber is prepared by modifying with an aminated silane coupling agent; the modified mesoporous ZIF-8 nano material and the composite filler are added, so that the flame retardant property, the thermal aging resistance and the mechanical property of the material are improved.

The invention relates to the technical field of machine vision, in particular to a stainless steel pipe production intelligent detection system based on machine vision, which comprises a shape evaluation module, a welding quality detection module, a welding quality analysis module, a pipe surface evaluation module, a cutting evaluation module, a process evaluation module and a management database, the system obtains the shape conformity degree of the stainless steel pipe according to the shape parameters of the stainless steel pipe, obtains the weld quality evaluation coefficient of the stainless steel pipe according to the weld defect parameters of the stainless steel pipe, and obtains the surface smoothness degree of the stainless steel pipe according to the surface parameters of the stainless steel pipe. The cutting evaluation coefficient of the stainless steel pipe is obtained according to the appearance parameters of the cutting face of the stainless steel pipe, then the procedure evaluation index of the stainless steel pipe is obtained through comprehensive analysis, the procedure evaluation index is fed back, unqualified products can be reduced, the yield is increased, and it is guaranteed that the performance of the produced pipe is consistent in all aspects.

The invention relates to the technical field of waste rubber recovery, in particular to a method for preparing a rubber compound by recycling waste rubber and the prepared rubber compound. The high-shear mechanical desulfurization technology is combined, the desulfurization efficiency is further improved through the synergistic effect of various components in the compound auxiliary, and meanwhile the plasticity of the waste rubber and the compatibility of the waste rubber and new rubber are enhanced. The method not only can effectively destroy the cross-linked structure of the waste rubber, but also can be used for preparing a high-performance rubber compound product by mixing the waste rubber with a new rubber material through a subsequent mixing process, and is widely applied to manufacturing high-strength and wear-resistant rubber products, such as solid tires and the like.

The invention relates to the field of textile processing, and discloses a production process of an antistatic chinlon fabric, which comprises the following specific steps: performing blade coating on chinlon base cloth by using a modified waterborne polyurethane emulsion, and performing pre-drying and baking to obtain the antistatic chinlon fabric, the modified waterborne polyurethane emulsion comprises a waterborne polyurethane emulsion, a hybrid composite filler, a functional additive and the like; the hybrid composite filler is prepared by using a double-bond silane coupling agent to modify nano titanium dioxide and then reacting with modified graphene, and the modified graphene is prepared by using phenyl tri (dimethyl siloxane) silane, a flame-retardant additive and the double-bond silane coupling agent to react and then modifying hydrazine hydrate to reduce graphene oxide; the flame-retardant additive is prepared from phenylphosphoryl dichloride, eugenol, a flame-retardant primary product and sodium as raw materials, the flame-retardant primary product is prepared by reacting formaldehyde with p-hydroxyphenylethylamine and then further reacting with phosphorous acid, and the chinlon fabric prepared by the method not only has a conductive function, but also keeps the mechanical properties of the fabric and is excellent in flame retardance.

The utility model discloses an aluminum composite wire straightening device which comprises a bottom plate, a support plate is fixedly connected to the surface of one side of the bottom plate, a base frame is fixedly connected to the surface of one side of the support plate, a straightening assembly is movably connected to the upper end of the base frame, and a traction assembly is fixedly connected to the surface of one side of the bottom plate. And a rear rack is arranged at the upper end of the traction assembly. The first motor works to drive the rotating rod to rotate, the rotating gear drives the rotating ring to rotate through the gear groove, the roller swing support freely rotates at a limited angle at the upper end of the connecting plate, and the two straightening rollers can rotate by 360 degrees around an aluminum composite wire rod to straighten the aluminum composite wire rod while freely rotating at the limited angle. The three straightening assemblies are used for carrying out straightening treatment on the wire rod in a sectional mode in sequence, through 360-degree pressing straightening, it is ensured that the wire rod is evenly pulled and straightened in all directions, the overall shape of the wire rod is more uniform, possible distortion or deformation is reduced, and therefore the quality and reliability of products are improved.

The invention discloses a lignin-modified thermoplastic elastomer waterproof coiled material as well as a preparation method and application thereof. The waterproof coiled material is prepared from the following components in parts by mass: 20-60 parts of polypropylene, 30-50 parts of an elastomer, 0.1-20 parts of lignin, 0-3 parts of an additive A, 0-3 parts of an additive B and 0-3 parts of an additive C. The lignin is utilized to effectively endow the waterproof coiled material with anti-aging and anti-ultraviolet functions, and the waterproof coiled material has good mechanical and waterproof properties.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a PC / ABS composite material with high heat resistance and flame retardance as well as a preparation method and application of the PC / ABS composite material. The PC / ABS composite material is prepared from the following components in percentage by mass: 80 to 95 parts of polycarbonate resin, 5 to 20 parts of acrylonitrile-butadiene-styrene copolymer resin, 4 to 16 parts of a phosphorus flame retardant, 0.1 to 0.5 part of a sulfonate flame retardant, 2 to 8 parts of a compatilizer and 0.1 to 1 part of an antioxidant. According to the invention, sulfonate is compounded to synergistically generate BDP flame-retardant PC / ABS, so that the heat resistance of the material is remarkably improved, and the material shows excellent performance in the PC / ABS material. The heat stability and the mechanical performance of the material are remarkably improved through the optimized component proportion, and the material is suitable for application occasions with high flame retardance, low smoke and low toxicity, especially for products exposed outdoors for a long time such as new energy automobile charging piles.

The invention provides high-reliability photovoltaic OBB dispensing glue and a preparation method thereof. The high-reliability photovoltaic OBB dispensing glue specifically comprises glue consisting of 2D resin modified acrylate resin, an anti-yellowing acrylate monomer and a photoinitiator. 2D resin modified hydroxyethyl acrylate is added into the glue, so that the adhesive force, the water resistance and the chemical resistance of the glue are effectively improved; by introducing the yellowing-resistant acrylate monomer, the yellowing resistance and the comprehensive performance of the glue are enhanced; meanwhile, due to the optimal proportion of the photoinitiator, the curing rate of the glue is remarkably increased. The prepared photovoltaic OBB dispensing glue has the characteristics of high solid content, high stability, good weather resistance, excellent mechanical properties and the like, is particularly suitable for packaging application of photovoltaic modules, can keep excellent properties in a harsh environment, and meets environmental protection requirements.

The invention discloses a high-temperature-resistant and erosion-resistant composite material for a plasma gasifier and a preparation method thereof, belongs to the technical field of high-temperature-resistant composite materials, and aims to solve the technical problem that the high-temperature-resistant and erosion-resistant performance of a ramming composite material for the plasma gasifier in the prior art needs to be further improved. The silicon nitride reinforced silicon carbide composite material comprises the following components in parts by weight: 50-70 parts of aggregate, 25-45 parts of powder and 5-8 parts of a binding agent, the component of the aggregate is a silicon binding material, and the aggregate is composed of coarse aggregate, medium aggregate and fine aggregate according to the weight ratio of (30-40): (40-50): (30-50). The particle size distribution of the aggregate and the composition of the powder and the binding agent are optimized, so that the high-temperature erosion resistance and the volume density of the composite material are effectively improved, and the heat-conducting property of the composite material is also reduced.

The invention provides a preparation method of fibers with efficient photo-thermal heating and heat preservation functions, which comprises the following steps of: preparing Cu2S micro-nano hybrid particles with ultra-small particle size by a template load growth method, and preparing ethylene glycol slurry of the Cu2S micro-nano hybrid particles with small particle size and high dispersion by a wet grinding synchronous modification technology; the preparation method comprises the following steps: proportionally adding ethylene glycol slurry into a polyester polymerization reaction kettle, carrying out in-situ polymerization to prepare a PET / Cu2-xS nano composite material with efficient photo-thermal heating, and preparing hollow fibers with high hollowness by adopting a melt spinning method. The functional fiber prepared by the invention has heating and thermal insulation properties, and can realize 10-20 DEG C of light absorption heating, 0.9-0.98 of far infrared emissivity and 2.0-3.0 DEG C of far infrared radiation temperature rise, and the prepared fabric still has good breaking strength, weaving characteristic and excellent washability.

The invention relates to the technical field of rubber processing, in particular to hydrophilic silicone rubber and a preparation method thereof.The preparation method comprises the steps that firstly, silicone rubber and a cross-linking agent are evenly mixed according to a certain weight ratio, the mixture is poured into a polytetrafluoroethylene mold, bubbles are vacuumized, and then cross-linking curing is conducted at a certain temperature; meanwhile, maleic anhydride modified polyethylene glycol and methylbenzene are mixed according to a certain mass ratio to form a methylbenzene solution of maleic anhydride modified polyethylene glycol, and then the cured silicone rubber is placed in the methylbenzene solution of maleic anhydride modified polyethylene glycol to be subjected to swelling permeation treatment for a period of time; and cleaning the surface of the swelling permeation sample with absolute ethyl alcohol, and finally drying at a certain temperature to obtain the hydrophilic silicone rubber. According to the method, the wettability of the surface of the silicon rubber can be changed in a short time, the wettability of the surface of the silicon rubber is remarkably improved, and the original optical performance and mechanical performance of pure silicon rubber are maintained.

The invention belongs to the technical field of aeronautical materials, and particularly relates to a PEI modified material containing a high-temperature composite dispersion system as well as a preparation method and application of the PEI modified material. The PEI modified material containing the high-temperature composite dispersion system provided by the invention is prepared from the following raw materials: polyetherimide resin, titanium dioxide, carbon black and dispersing agents (a coupling agent and polyamide wax). The PEI modified material containing the high-temperature composite dispersion system provided by the invention can realize efficient and uniform dispersion and color regulation and control of pigments in a high-viscosity and strong-polarity system, and has excellent heat resistance, mechanical property and flame retardant property, and interior structural parts prepared from the PEI modified material meet the comprehensive requirements on light weight, attractiveness and durability in the aviation field.

The application provides a copper-aluminum dissimilar metal resistance brazing method for a wind power generator, comprising the following steps: S1, temperature field regulation of partition resistance heating: a partition resistance heating mode of double-electrode independent power supply is adopted, current is respectively input to the copper side and the aluminum side for independent control, and the brazing interface temperature is controlled in the range of 580-620 DEG C; S2, interface diffusion control of nano nickel barrier layer: a nano-crystalline nickel barrier layer is prepared in advance on the surface of the copper matrix to be connected; S3, wetting and filling of zinc-based composite filler material: zinc-based composite filler material is used for brazing; S4, pressure-assisted brazing seam densification: axial pressure in the range of 0.5-2 MPa is applied during brazing; S5, atmosphere protection and surface activation: the brazing process is carried out under the condition of inert protective atmosphere. Through the cooperation of partition heating and nano nickel barrier layer, the strength of the copper-aluminum brazed joint is improved to more than 80% of the base material, and the contact resistance is reduced to 3 mu omega cm 2 The energy consumption of the single piece is reduced by 80%, and the qualified rate reaches more than 95%.

Provided is a polyethylene yarn having improved post-processability, and more particularly, a polyethylene yarn which maintains excellent mechanical properties even in a harsh environment such as a high temperature to have improved post-processability such as dyeing or coating is provided.

This invention discloses a tensile-strength steel-cored aluminum stranded wire, relating to the technical field of steel-cored aluminum stranded wire. The tensile-strength steel-cored aluminum stranded wire of this invention comprises at least: a steel core; a Zn-Ni-WC composite coating, electroplated on the steel core; aluminum strands, stranded on the steel core coated with the Zn-Ni-WC composite coating; and an anti-corrosion coating applied to the stranded aluminum strands. The anti-corrosion coating comprises the following raw materials in parts by weight: 60-70 parts of long-chain modified polyurethane acrylate prepolymer; 25-30 parts of acrylate isoborneol ester; 15-20 parts of dopamine-modified sustained-release microcapsules; 2-5 parts of photoinitiator; 0.5-1.5 parts of leveling agent; and 0.5-1.5 parts of dispersant. This invention, by setting a Zn-Ni-WC composite coating on the steel core and an anti-corrosion coating on the steel-cored aluminum strands, enables the prepared tensile-strength steel-cored aluminum stranded wire to possess superior corrosion resistance and ultra-long-term tensile strength retention.

The invention relates to the technical field of in-vivo implant intervention composite materials, in particular to application of a metal organic framework material in preparation of a developing function material, an implant intervention material, a preparation method of the implant intervention material and an implant intervention device. The metal organic framework material disclosed by the invention has an enhanced X-ray developing function, can realize regulation and control of mechanical properties of a composite material, and can be applied to preparation of a developing functional material. The implant intervention material provided by the invention comprises a high-molecular polymer matrix and a metal organic framework material doped in the high-molecular polymer matrix, the metal organic framework material comprises an aromatic organic ligand and a coordinated metal atom on the aromatic organic ligand; the X-ray developing resolution ratio is high, the mechanical property is good, the biocompatibility is good, and the mechanical property and the processing property of the original polymer matrix can be maintained. Meanwhile, the preparation method is simple and environment-friendly, mild in reaction condition, high in synthesis efficiency and low in cost, and can meet the requirements of industrial large-scale preparation.

This invention discloses an infrared camouflage composite yarn, its preparation method, and its application. The preparation process involves first preparing a preform, then dispersing aluminum powder and tin-doped indium oxide powder on a softened film to form an infrared-resistant film. The infrared-resistant film is then coated onto the preform using a layered structure design to prepare a composite preform. Combined with heat treatment, the yarn is then hot-stretched to obtain the improved infrared camouflage composite yarn. The infrared camouflage composite yarn prepared by this invention not only possesses excellent infrared camouflage capability and durability, but the addition of functional particles does not significantly affect the yarn's mechanical properties, such as breaking strength. The functional particles maintain uniform dispersion, improving the uniformity of infrared camouflage performance. This method is suitable for preparing infrared camouflage products, such as military jackets, tents, and backpacks.

The present application relates to the technical field of geotechnical engineering investigation, and specifically discloses a rock-soil investigation adjustable-depth sampling method, which acquires pore fluid pressure data in real time through a sensor group arranged at the front end of a sampler; based on the data, the evolution trend of the pressure field in front of the sampler is dynamically predicted, and a prediction result containing the pressure abnormal state and its space-time information is generated; the prediction result is processed in stages to obtain a pressure risk level; the level is used in a collaborative decision with the soil sensitivity and the target sampling quality to generate a dynamic control strategy; finally, the penetration action of the sampler is adjusted in real time according to the strategy, including performing a micro-retraction and re-penetration cycle or a gradual deceleration operation, and the control effect is ensured through closed-loop optimization; the present application can actively suppress water hammer and cavitation effect, and improve the quality and reliability of obtaining undisturbed samples in complex strata.

The invention discloses a preparation method and a treatment device of a silk membrane loaded with recombinant human epidermal growth factors, and relates to the technical field of biological products. According to the scheme, the transgenic epidermal growth factor silkworm strain NSECS is spun on a two-dimensional plane of a mold to prepare flat silk, and then the flat silk is subjected to the technical processes of hot pressing, sterilization and the like to prepare the transgenic epidermal growth factor silk biological membrane dressing. The transgenic epidermal growth factor silk biological membrane prepared by using the technology can greatly maintain the content and activity of the growth factor, meanwhile, the time required for preparing the silk structure biological membrane dressing is greatly saved, the natural structure and mechanical property of silk are maintained, and the preparation process is simpler. Silk degumming and silk fibroin extraction do not need to be carried out, so that the treatment cost of a degumming solution and a silk fibroin extracting solution can be reduced, the pollution to the environment is reduced, and the problem of maintaining the natural structure of silk and the activity of epidermal growth factors in the traditional silk membrane preparation process is solved. The human epidermal growth factor silk membrane prepared by the method can be applied to the medical fields of wound repair, tissue repair and the like, and has good application potential and value.

The invention discloses a gradient effect-based liquid drop directional self-transport pattern scanning electrolysis device and method, the device comprises a micro electrode module and an electrolytic bath, and the micro electrode module is connected to a three-axis linkage platform; a workpiece clamp is arranged in the electrolytic bath; electrolyte is contained in the electrolytic bath; the workpiece clamp installs a workpiece; the workpiece clamp is connected with an anode of an electrolysis power supply, a microelectrode of the microelectrode module is connected with a cathode of the electrolysis power supply, the electrolysis power supply is switched on, and an electrolysis loop is formed among the microelectrode, the electrolyte and the workpiece clamp. A micro electrode is controlled by a three-axis linkage platform to perform scanning electrolysis according to a preset scanning path, scanning speed, electrolysis voltage and electrode spacing, and a wetting pattern with a gradient effect is constructed on the surface of a workpiece, so that a non-equilibrium surface tension difference is generated on a front contact line and a rear contact line of a liquid drop and is converted into a Laplace pressure difference; the method has the advantages of being flexible in design, high in preparation precision and free of surface heat damage.

The invention discloses a zirconia ceramic matrix with high thermal shock resistance as well as a preparation method and application thereof. The zirconia ceramic matrix comprises a matrix and a coating layer a; the matrix comprises the following components: 90-98 wt% of zirconium oxide; 1.5 to 8 wt.% of a stabilizing agent; % of a grain boundary regulating agent; the stabilizing agent is prepared from the following components in percentage by weight: 2.0 to 4.0 percent of Sc2O3, 0.5 to 1.5 percent of Yb2O3 and 0.3 to 1.0 percent of Er2O3; the grain boundary regulating agent is a composition of a boron source and an aluminum source; in the coating layer a, the molar ratio of zirconium to aluminum is (2-3): 1; and the component 1 is polyvinyl alcohol or polyvinylpyrrolidone. The fracture toughness, bending strength and thermal shock resistance of the ceramic matrix are effectively improved, and the overall mechanical property is remarkably improved. When the material bears thermal shock, the thermal shock resistance of the material is improved, and the application scene of the zirconia ceramic material is expanded.

The invention discloses styrene-free unsaturated polyester resin and a preparation method thereof, and relates to the technical field of resines.The preparation method specifically comprises the steps that S1, cellulose nanocrystals, tris (2-hydroxyethyl) isocyanurate and dimethylolpropionic acid are mixed and heated for a melting reaction, then the cellulose nanocrystals are added again, stirring continues, and hyperbranched polyester containing hydroxyl is obtained; s2, adding maleic anhydride into the hyperbranched polyester reaction system containing hydroxyl, and slowly heating for reaction to obtain hyperbranched polyester containing carboxyl; s3, reducing the temperature of the carboxyl-containing hyperbranched polyester reaction system, adding ethylene glycol monoallyl ether, introducing nitrogen, and slowly heating for reaction to obtain hyperbranched unsaturated polyester; s4, diluting the hyperbranched unsaturated polyester by using hydroxyethyl methylacrylate to obtain styrene-free hyperbranched unsaturated resin; the hyperbranched polyester with narrower resin molecular weight distribution and more uniform structure can be obtained.

The present invention belongs to the technical field of air jet and coal seam pressure relief and permeability enhancement, and in particular relates to a device and method capable of realizing adaptive adjustment of coal seam hole expansion angle, comprising an air compressor, a high-pressure resistant pipeline connected to the air compressor, the high-pressure resistant pipeline connected to a drill pipe through an air braid, a hole expander is provided at the end of the drill pipe, a drill bit is provided at the end of the hole expander, and also comprises a resin ball arranged in the central channel of the drill pipe, the hole expander comprises a central flow channel and a straight flow channel nozzle, a hole expansion assembly is provided at the end of each straight flow channel nozzle, two symmetrical nozzles are provided outside the hole expander shell, and the nozzles are connected to the straight flow channel nozzle; the present invention can realize adaptive adjustment of hole expansion angle, can effectively avoid hole expansion blank zone, and can make full use of the characteristics of ground stress through precise adjustment of hole expansion angle to expand holes with regular holes and larger diameters, thereby increasing the pressure relief and permeability enhancement effect of hole expansion under the same working conditions, and has wider applicability.

The present invention discloses an aging-resistant PETG shrink film for protecting thin-film solar cells, wherein the shrink film layer structure is a three-layer structure of A / B / A; wherein the raw materials of the A layer include PET modified with NPG and a functional masterbatch; and the raw materials of the B layer include PET, PETG, an antioxidant and a light stabilizer. The present invention effectively reduces the production cost while ensuring the efficacy, and the surface layer of the film has good printability and heat-sealing properties, while also achieving the characteristics of high light transmittance, low haze and high transparency of the film, and improving durability.

This invention discloses a low-smoke halogen-free flame-retardant network cable and its preparation method, comprising a conductor, an insulation layer, a foamed filler strip, an aluminum-plastic composite film wrapping layer, a non-woven fabric wrapping layer, and a halogen-free flame-retardant outer sheath layer. The halogen-free flame-retardant sheath layer is prepared from the following components: ethylene-vinyl acetate copolymer, POE, pretreated magnesium hydroxide, ammonium polyphosphate, modified lignin, attapulgite, zinc borate, maleic anhydride-grafted ethylene-vinyl acetate copolymer, antioxidant, and calcium stearate. This low-smoke halogen-free flame-retardant network cable uses an EVA / POE blend as the sheath matrix and employs a ternary composite flame-retardant system of magnesium hydroxide, ammonium polyphosphate, and modified lignin, synergistically using zinc borate and attapulgite as functional additives. Without introducing halogens, the sheath material simultaneously possesses B1-level flame-retardant performance, low-smoke and low-toxicity characteristics, and transmission performance meeting the Category 6 network cable standard. The overall solution balances the requirements of flame-retardant safety and communication functionality.

The invention belongs to the technical field of textile, and relates to a method for reducing PET melt spinning temperature and improving fiber mechanical property at the same time, the PET melt spinning process comprises the steps of melt extrusion by a twin-screw extruder, side blowing cooling, oiling, winding and drafting by a drafting machine, silicone with a specific content, a specific structure and a specific molecular weight is introduced into a PET melt in a master batch form, and the intrinsic viscosity of PET and a carrier PET in the master batch, the screw rotating speed of a double-screw extruder and the spinning temperature are regulated and controlled, so that the melt spinning temperature of the PET is reduced, and meanwhile, the mechanical property of the fiber is effectively improved.

The invention provides a washable flame-retardant cotton fabric and a preparation method thereof, and the washable flame-retardant cotton fabric is characterized in that the washable flame-retardant cotton fabric is obtained by treating a cotton fabric with a flame-retardant finishing liquid containing an N-P-Si flame retardant; the N-P-Si type flame retardant contains N-based, P-based and Si-based multiple flame-retardant groups, has excellent thermal stability, self-charring capability and flame-retardant efficiency, and endows cotton fabrics with high limit oxygen index and flame-retardant effect when being used for finishing the cotton fabrics; the flame retardant can be bonded with cotton fabric fiber molecules through a strong hydrogen bond, so that the flame-retardant cotton fabric of which the surface is loaded with the N-P-Si type flame retardant has excellent washing resistance.

The application relates to a preparation method of high-pre-stretch polyethylene wrapping film with elastic memory, and belongs to the technical field of polymer material processing. The application aims to overcome the problems of the existing wrapping film, such as the decline of mechanical properties, the serious stress relaxation and the easy migration and pollution of liquid tackifier under the conditions of film thinning and high-pre-stretching. The technical scheme of the application is characterized in that a functional asymmetric five-layer co-extrusion structure is adopted, the structure is sequentially arranged from inside to outside as an adhesion layer, a first transition reinforcing layer, a core elastic layer, a second transition reinforcing layer and a smooth peeling layer, the core elastic layer is composed of a molecular network of octene metallocene linear low-density polyethylene and propylene-based polyolefin elastomer, the adhesion layer provides dry physical self-adhesion force by using propylene-based polyolefin elastomer, the surface rheological behavior is adjusted by using fluoropolymer processing aids in each layer, and a stepwise temperature rising extrusion and air knife pinning quenching process is adopted for forming.

The application relates to a boron-containing resin type wide-temperature-range damping additive and a preparation method and application thereof, and belongs to the technical field of organic silicon damping materials. The boron-containing resin type wide-temperature-range damping additive comprises: A) an organic silicon resin matrix with a three-dimensional network structure; B) a boron-containing functional structure connected with the organic silicon resin matrix; and C) an aryl-containing functional structure connected with the organic silicon resin matrix. The boron-containing functional structure is connected to the surface of the three-dimensional network structure of the organic silicon resin matrix through a Si-O-B bond; the aryl-containing functional structure is located on the surface of the three-dimensional network structure of the organic silicon resin matrix; the molecular weight of the organic silicon resin matrix is 1000-10000; and the organic silicon resin matrix is selected from one or more of MQ resin, MT resin, MTQ resin, MDT resin and POSS silicon resin. The application improves the high-temperature dissipation capacity and wide-temperature-range damping performance of the damping material through the synergistic effect of the rigid silicon resin and the surface boron-containing dynamic structure, and takes into account the compatibility and mechanical stability.

The invention discloses a high-temperature temperature-adjusting type weak-crosslinking stable-form phase-change elastomer material, a preparation method thereof and application of the high-temperature temperature-adjusting type weak-crosslinking stable-form phase-change elastomer material in modified asphalt, and relates to the technical field of phase-change temperature-adjusting materials and asphalt materials for road engineering. The raw material component system of the high-temperature temperature-regulating type weak-crosslinking stable-form phase-change elastomer material comprises a continuous phase matrix component, a cross-linking component, a cross-linking component, a cross-linking component and a cross-linking component, the phase change component is used for realizing molecular level confinement in an interpenetrating network structure formed by the continuous phase matrix component through low-density covalent cross-linking points of the phase change component and inhibiting migration and leakage of the phase change component in a molten state; the weak cross-linking initiating component is used for initiating formation of a weak cross-linking three-dimensional network in the continuous phase matrix component, and the system is endowed with a stable phase change structure while the thermoplastic processability of the system is kept. When the material is used as a modifier to be doped into matrix asphalt, the high-temperature temperature regulation function of an asphalt pavement can be realized, and meanwhile, the mechanical and rheological properties of the modified asphalt are improved.