5865results about How to "Good flexibility" patented technology

The invention discloses a thrombus excision system. An embolus is extracted through a mechanical embolus extraction device, a blood vessel is dredged, and revascularization of the blood vessel is achieved. A saccule guide catheter is put at the near end of the embolus part when the embolus is extracted, blood flow is temporarily blocked, and thus a fine crushed embolus generated in the embolus extraction process is prevented from being flushed to the far end of the blood vessel; meanwhile, for a relatively large embolus, a part of thrombus can also be sucked by virtue of the saccule guide catheter, and then the residual thrombus can be extracted by virtue of a thrombus exsector. The thrombus exsector, the saccule guide catheter and a delivery microcatheter are arranged on the thrombus excision system disclosed by the invention, wherein the thrombus exsector is used as a main component, an excision spring is arranged, and the release state of the excision spring is a conical spiral state. Compared with the prior art, the thrombus excision system has the advantages that the thrombus exsector is very soft, the minimal through size is 0.014' (0.36mm), the thrombus exsector can easily enter a cerebral vessel, a near-end protection technology is adopted in the operation process, and thrombus suction is combined with mechanical embolus extraction, so that the success rate of the operation is improved, and the complications are reduced.

The invention belongs to the technical field of composite fiber materials, and relates to a functional thermal management fabric, in particular to a phase change microcapsule doped flexible cooling fiber fabric and a preparation method thereof. The fabric has a controllable double-layer structure and is formed by assembling nanofibers and micro-nanofibers doped with a large number of phase change microcapsules. Wherein the micro-nano fiber layer has relatively high sunlight reflectivity and atmospheric window wave band emissivity, and shows an excellent radiation cooling effect; the microcapsule content of the nanofiber layer doped with a large amount of phase change microcapsules is not less than 10 wt%, and the nanofiber layer has no rupture phenomenon, has high heat storage capacity, not only makes up for the deficiency of radiation cooling capacity, but also effectively slows down temperature fluctuation. The radiation cooling technology and the phase change latent heat technology are combined, so that the long-time temperature control performance of the fabric is realized, and the thermal shock resistance is enhanced. In addition, the fabric also has excellent mechanical property, flexibility, washability, air permeability, moisture penetrability and sunscreen property.

The invention relates to the technical field of insulating materials, in particular to a flame-retardant high-strength insulating material and a preparation process thereof. The insulating material comprises the following components in parts by weight: 50-60 parts of polyvinyl chloride, 20-40 parts of crosslinked polyethylene, 10-15 parts of an ethylene-vinyl acetate copolymer, 20-40 parts of a flame retardant, 5-15 parts of talcum powder, 10-20 parts of calcium carbonate, 6-12 parts of a compatilizer and 3-8 parts of an antioxidant. The flame retardant is prepared by taking ammonium polyphosphate as an acid source, polydopamine as a charring agent and modified graphene oxide as a reinforcing agent, the flame retardant is added into polyvinyl chloride and a crosslinked polyethylene insulating material base material, and combined with the combined action of an ethylene-vinyl acetate copolymer, talcum powder, calcium carbonate, a compatilizer and an antioxidant, the flame retardant property of the insulating material base material is improved, and the flame retardant property of the insulating material base material is improved. The prepared insulating material not only has excellent mechanical property, but also has excellent flame retardant property, so that the service life of the material is prolonged.

The invention discloses a high-flexibility winding-resistant robot cable, and relates to the technical field of robot cables, the robot cable comprises a plurality of cable cores, the cable cores are wrapped by a belting layer, a twisting gap of the cable cores is filled with a filler, the belting layer is wrapped by a shielding layer, and the shielding layer is wrapped by an outer sheath layer; the outer sheath layer is prepared from the following components: 80-100 parts of PVC resin, 30-60 parts of nitrile rubber powder, 20-30 parts of a polyolefin thermoplastic elastomer, 10-30 parts of trioctyl trimellitate, 5-15 parts of dioctyl sebacate, 5-25 parts of aluminum hydroxide, 8-15 parts of carbon black, 10-20 parts of modified carbon fiber, 3-6 parts of a heat stabilizer, 1-3 parts of an antioxidant and 1-3 parts of a lubricant; optimized balance of flexibility, bending resistance, mechanical strength and environmental adaptability is achieved, and a high-performance and long-service-life key component is provided for modern industrial automation and robot application.

The invention discloses a low-temperature-resistant heat-insulating composite material and a preparation method thereof, and relates to the technical field of composite materials, and the material comprises an outer protective layer, a middle reinforcing layer and an inner heat insulating layer. The inner heat insulation layer is composed of aerogel, polytetrafluoroethylene micro powder and the like, and good heat insulation performance is provided. The middle reinforcing layer contains ethylene-propylene rubber and the like, so that the material is endowed with elasticity, mechanical strength and flame retardance. And the outer protective layer is made of PVC resin and the like, so that the overall strength and wear resistance are enhanced. The low-temperature-resistant anti-cracking additive is prepared from polyimide resin and the like, so that the anti-cracking performance is improved. The modified filler is prepared through a specific method, and the material performance is improved. During preparation, all the layers are prepared respectively and then subjected to hot-pressing compounding. The internal mixer control system guarantees preparation parameter control of the middle enhancement layer, and a PID control algorithm is adopted. The composite material has the advantages of reasonable structural design, synergistic effect of all layers, mature preparation method and process, excellent performances of low temperature resistance, heat insulation, cracking resistance and the like, and is suitable for being applied to various low-temperature environments.

The invention discloses hip cream as well as a preparation method and application thereof, and belongs to the technical field of infant care products. The hip cream comprises a phase A, a phase B and a phase C, wherein the phase A comprises caprylic capric triglyceride, olive oil, camellia-seed oil, cera alba, sunflower seed oil and white ozocerite; a phase B: trihydroxy stearin; a phase C: VE acetate, folium artemisiae argyi essential oil, Roman chamomile, tea tree oil and double purple oil; and phase D: simmondsia chinensis seed oil. According to the invention, by optimizing the components and dosage in the hip cream, the prepared hip cream has good anti-inflammatory, soothing, moisturizing and skin repairing effects, the problems of red buttocks of newborns and skin ulceration, water loss, chapping, desquamation and the like caused by the red buttocks of the newborns are reduced, and meanwhile, the use of medicaments such as erythromycin ointment and the like is reduced. Meanwhile, the surface of the paper diaper can be coated with the hip cream to obtain the paper diaper containing the hip cream coating, the repairing and other effects of the hip cream are utilized, meanwhile, the paper diaper containing the hip cream has better soft feeling and smooth feeling, and damage caused by friction of the paper diaper is reduced.

The invention discloses a wear-resistant high-strength composite polyurethane sieve plate and a preparation method thereof, and belongs to the technical field of polyurethane sieve plate processing.The preparation method comprises the following steps that modified polyurethane is added into xylene, the temperature of a reaction system is increased to 90-100 DEG C, stirring is conducted till the system is dissolved and clarified, and a polyurethane sieve plate is obtained; the preparation method comprises the following steps: adding olefin double bond modified aluminum oxide powder and a catalyst into a reaction system, taking composite polyurethane prepared from modified aluminum powder reinforced modified polyurethane as a polyurethane sieve plate base material, and carrying out reinforced crosslinking on the composite polyurethane by using o-cresol formaldehyde epoxy resin and modified nylon fiber; the strong acid and alkali corrosion resistance of the composite polyurethane sieve plate is effectively improved, and the service life of the composite polyurethane sieve plate is effectively prolonged.

The invention relates to a composite phase-change film based on liquid metal and PBO fiber and a preparation method thereof, and belongs to the technical field of phase-change material preparation, and the preparation method comprises the following steps: the composite phase-change film comprises a poly (p-phenylbenzobisoxazole) fiber (PBO) base material, a phase-change material and a heat-conducting filler, the phase-change material is composed of phase-change microcapsules (PM) which are prepared by taking polyurethane (PU) as a wall material and organic solid-liquid phase-change materials (OPCMs) as a core material through a Pickering emulsion polymerization method. The prepared PM has a core-shell structure, and leakage of OPCMs is effectively prevented. The PM and the PBO fiber network are combined, so that the dual packaging of the OPCMs is realized, and the leakage of the OPCMs is further prevented. Meanwhile, dispersion and interaction of the OPCMs in a PBO matrix are optimized, and formation of a network structure with a limited domain is promoted. The composite phase change film prepared by the invention has relatively high mechanical properties, remarkable heat conductivity, excellent and stable flexibility and excellent heat storage capacity.

The invention relates to a flexible electrochemical pH sensor as well as a preparation method and application thereof. Wherein the flexible electrochemical pH sensor comprises a flexible nanofiber substrate as well as a working electrode and a reference electrode which are arranged on the surface of the flexible nanofiber substrate at an interval, the working electrode comprises a first working part and a first wire part connected with the first working part, and the first working part is provided with a polyaniline sensitive layer. The flexible electrochemical pH sensor has the characteristics of high sensitivity, good flexibility and good air and moisture permeability, can be tightly attached to the surface of skin to monitor the pH value of body fluid, and is high in monitoring accuracy and simple in manufacturing method.

The invention relates to a preparation method and application of an inner-rigid outer-soft core-shell structure silicon dioxide blocking agent for marine drilling fluid, and belongs to the field of deepwater oil and gas drilling. N-vinyl-2-pyrrolidone, dimethyl diallyl ammonium chloride, acrylamide and 2-acrylamide-2-methylpropanesulfonic acid are polymerized and grafted on the surface of nano silicon dioxide to form the silicon dioxide blocking agent with a core-shell structure and a rigid inside and a soft outside; by means of rigid plugging of a nano material and deformation filling flexible plugging of a high-molecular polymer, shale micro-nano pores are efficiently plugged with rigid inside and flexible outside, so that the stability of a well wall is maintained, meanwhile, secondary generation of hydrates is effectively inhibited, and the safety and efficiency of deepwater drilling are improved; the plugging agent provided by the invention reduces the demand on a large number of thermodynamic inhibitors, not only saves the cost, but also has the characteristic of environmental protection.

The invention discloses a high-elasticity water-resistant flexible waterborne polyurethane elastic film product, and belongs to the field of waterborne polyurethane elastic film products. The waterborne polyurethane structure contains a strong supramolecular dynamic crosslinking unit and a polysiloxane unit, the strong supramolecular dynamic crosslinking unit has a metal-ligand effect and an optional multiple hydrogen bond effect, and the metal-ligand effect is preformed. In the polymerization process of the waterborne polyurethane, a preformed metal complex with a metal-ligand function serves as a weaving node, and the metal complex serves as a monomer and is cross-linked with a waterborne polyurethane chain segment. Due to the woven cross-linked interweaving structure, macromolecular chains connected to weaving nodes are spontaneously entangled. High polymer chain entanglement, reversibility of dynamic bonds and a cross-linked network endow the film with high strength, high elasticity, high flexibility and high density; meanwhile, the polysiloxane endows the film with water resistance and low viscosity. The waterborne polyurethane elastic film product prepared by adopting the structure is super-flexible, high in elasticity and good in water resistance.

The invention relates to the technical field of solid-state batteries, in particular to a solid-state electrolyte composite membrane, a preparation method thereof and a solid-state battery. The preparation method comprises the following steps: performing ultrasonic-initiated cross-linking polymerization on a polymer solid electrolyte monomer, a cross-linking agent and a surface hydroxylated oxide solid electrolyte to obtain a polymer-oxide solid electrolyte matrix, washing the polymer-oxide solid electrolyte matrix, and soaking the polymer-oxide solid electrolyte matrix in an electrolyte to obtain the solid electrolyte composite membrane. According to the invention, crosslinking of the polymer electrolyte monomer is initiated by ultrasound, and chemical bonds are formed between part of the polymer electrolyte monomer and the surface-hydroxylated oxide solid electrolyte, so that the interfacial compatibility of the polymer electrolyte monomer and the surface-hydroxylated oxide solid electrolyte is effectively improved, and the ionic conductivity, chemical stability and mechanical strength of the polymer electrolyte are improved; due to the properties of easy processing, good flexibility and the like of the polymer electrolyte, the interface compatibility between the oxide solid electrolyte and the positive and negative pole pieces can be fully improved, the flexibility and the processability are improved, and a win-win effect is achieved.

The invention provides a high-barrier fresh-keeping low-temperature heat-sealing composite film and a manufacturing process and application thereof, the composite film sequentially comprises a heat-sealing layer, a barrier layer, a reinforcing layer and a surface treatment layer from the inner layer to the outer layer, and the layers are bonded through bonding layers. The heat-sealing layer is prepared from modified polyethylene, polypropylene and a heat-sealing auxiliary agent, and the barrier layer is made of a composite material of nano aluminum oxide, polyvinylidene fluoride and an ethylene-vinyl alcohol copolymer. The enhancement layer is a polyester film, and the surface treatment layer is subjected to corona treatment. The composite film is prepared through a specific manufacturing process, and the specific manufacturing process comprises the steps of preparation of the heat sealing layer and the blocking layer, compounding, curing treatment, surface treatment and the like. The composite film disclosed by the invention has excellent barrier property and low-temperature heat-sealing capability, is suitable for vacuum packaging or modified atmosphere packaging of foods, and effectively prolongs the fresh-keeping period and the shelf life of the foods.

The invention relates to the technical field of epoxy resin paint, and discloses waterborne epoxy paint suitable for containers and a preparation method of the waterborne epoxy paint. A component A of the waterborne epoxy paint comprises, by weight, 100 parts of waterborne epoxy resin and 0.5-0.8 part of a flash rust inhibitor; the component B comprises 6-8 parts by weight of a polyamide curing agent, 5-12 parts by weight of an organosilicon sulfonate polyurethane toughening agent and 0.2-1 part by weight of graphene oxide; the organic silicon polyurethane flexibilizer can play a role of a dispersing agent, the dispersity of graphene in the waterborne epoxy paint is improved, the main chain of the organic silicon polyurethane flexibilizer contains imino groups, the organic silicon polyurethane flexibilizer can be subjected to a curing reaction with epoxy resin, a flexible organic polysiloxane molecular chain is bonded into an epoxy resin molecular chain, and the flexibility of the waterborne epoxy paint is improved. A good toughening effect is achieved, so that the flexibility, the impact resistance and the corrosion resistance of a paint film are improved.

The invention provides a robot joint dynamic cable made of a self-repairing polyurethane material and a preparation method of the robot joint dynamic cable, and belongs to the field of cables. Polytetrahydrofuran glycol and hexamethylene diisocyanate react to form a soft and hard segment structure, 1, 4-butanediol is added for chain extension, dopamine hydrochloride is introduced, the hard segment structure is enhanced, and a self-repairing hydrogen bond network is formed; carbon nanotubes are introduced, and through plasma treatment and silane coupling agent modification, the tensile resistance, fatigue resistance and electrical properties of the material are improved; montmorillonite is compounded with polyethyleneimine through organic treatment, so that the cracking resistance and wear resistance of the material are enhanced; epoxy groups are introduced to the surface of boron nitride, and dopamine hydrochloride is self-polymerized, so that excellent heat dissipation capability and dimensional stability are provided. Through the synergistic effect of the components, the composite material has excellent mechanical properties, electrical properties, heat dissipation, wear resistance and the like, is especially suitable for a dynamic cable of a robot, and can stably work in a complex environment for a long time.

The utility model discloses a flexible dexterous hand touch sensing electronic skin based on an FPC (Flexible Printed Circuit), which comprises a palm FPC carrier plate, and a palm longitudinal electrode and a palm transverse electrode which are arranged on the palm FPC carrier plate, and the staggered points of the palm longitudinal electrode and the palm transverse electrode form a palm touch sensing capacitor unit. The finger longitudinal electrodes and the finger transverse electrodes are arranged on the finger FPC carrier plate, staggered points of the finger longitudinal electrodes and the finger transverse electrodes form a finger touch sensing capacitor unit, the electronic skin has a touch sensing function and can simulate the touch of a human body, so that the mechanical arm has more intelligent and flexible operation capability, and the mechanical arm is more flexible to operate. The external environment and object characteristics can be sensed more accurately, the operation of the manipulator can be controlled more accurately, and the operation precision and safety are improved.

The invention relates to the technical field of degradable plastics, and provides biodegradable plastic particles as well as a preparation method and application thereof. The biodegradable plastic particles comprise the following components in parts by weight: 50-80 parts of PLA, 20-50 parts of PBAT, 5-20 parts of a filler, 1-8 parts of a flexibilizer, 1-5 parts of a lubricant and 5-10 parts of a modifier. The modifier comprises a polylactic acid-polyethylene glycol block copolymer and a polycaprolactone-polyglycidyl methacrylate block copolymer in a mass ratio of (1: 19)-(19: 1). According to the technical scheme, the problems of poor flexibility and strength of plastic particles in related technologies are solved.

The invention relates to the technical field of adhesives, in particular to a UV-thermal dual-curing adhesive and a preparation method thereof. The UV-thermal dual-curing adhesive provided by the invention comprises the following components in parts by weight: 10-30 parts of an acrylate monomer; 5-15 parts of epoxy resin; 5 to 15 parts of epoxy modified N substituted maleimide resin; 1-4 parts of a photoinitiator; 10-25 parts of a latent curing agent; 0.5-2 parts of a stabilizer; 15 to 30 parts of thiol; 1-3 parts of a silane coupling agent; 1-5 parts of a thixotropic agent; and 15-30 parts of a filler. By adding the epoxy modified N-substituted maleimide resin, on one hand, excellent flexibility can be brought to a system; on the other hand, the maleimide ring can enable the system to have excellent humidity and heat resistance, and the prepared adhesive can be applied to adhesion of camera modules in various application scenes.

The invention discloses a full-biodegradable paper diaper breathable bottom film, and relates to the technical field of paper diaper production, and the full-biodegradable paper diaper breathable bottom film comprises the following components by weight: 45-55 parts of polylactic acid, 35-45 parts of a starch-based polymer, 10-12 parts of plant short fiber, 8-10 parts of bamboo fiber, 2-4 parts of a photosensitizer, 5-10 parts of polyvinyl alcohol, and 1-3 parts of lavender essential oil. According to the present invention, the starch-based polymer can enhance the biodegradability and the flexibility, the bamboo fiber can improve the water absorption and the natural antibacterial property, and can accelerate the degradation; the photosensitizer accelerates the degradation speed of the material under illumination, and the biodegradable material is adopted, so that the pollution to the environment is reduced, and the requirement of sustainable development is met.

The invention belongs to the technical field of preparation of wave-absorbing materials, and particularly relates to an epoxy resin wave-absorbing prepreg with strong low-frequency wave-absorbing performance and a preparation method of the epoxy resin wave-absorbing prepreg. The method comprises the following steps: mixing an epoxy resin matrix and a flexibilizer to obtain an epoxy resin system; the preparation method comprises the following steps: putting an epoxy resin system and flaky absorbents with different particle sizes into an internal mixer for internal mixing and coarse mixing, performing fine mixing by using an open mill after coarse mixing, and adding a curing agent in the fine mixing process to obtain a low-frequency wave-absorbing resin blank; putting the low-frequency wave-absorbing resin blank into a precision calender, and carrying out wave-absorbing adhesive film calendering, so as to obtain a wave-absorbing resin film after calendering; and thermally compounding the wave-absorbing resin film and the wave-transparent fiber prepreg to obtain the epoxy resin-based wave-absorbing prepreg. The wave-absorbing prepreg prepared by the invention is excellent in mechanical property after being cured, high in low-frequency wave-absorbing property and relatively high in reliability.

The invention discloses a multifunctional electronic product screen protective film and a preparation method thereof. The protective film comprises a modified base film and a multifunctional composite layer compounded on the surface of the modified base film, the multifunctional composite layer comprises an elastic buffer layer and a self-repairing layer which are sequentially arranged from inside to outside; wherein the elastic buffer layer is an elastic buffer layer with gradient density; the elastic buffer layer comprises the following components in parts by weight: 100 parts of a thermoplastic polyurethane elastomer, 15-25 parts of hollow glass microspheres, 10-15 parts of polyethylene glycol and 3-6 parts of an isocyanate cross-linking agent; the self-repairing layer comprises the following components in parts by weight: 100 parts of a dynamic reversible covalent bond polymer, 30-40 parts of phase change material microcapsules, 10-15 parts of nano cellulose, 5-8 parts of a near-infrared photosensitive initiator and 2-4 parts of an antioxidant. Compared with the prior art, the protective film provided by the invention has excellent scratch self-repairing performance, good adhesion and high anti-explosion screen performance.

The invention relates to the technical field of yarn post-treatment, in particular to foamed yarn and a preparation method thereof. The preparation method comprises the following steps: sizing yarns in a mixed solution of a curing agent and slurry, and then sequentially curing and foaming to obtain foamed yarns, the slurry comprises foaming resin and thermal expansion microspheres. According to the preparation method, slurry is cured and foamed to form a foaming coating formed by the flexible resin and the elastic filler on the yarn. The foaming coating can improve the softness and rebound resilience of the yarn; the foaming coating contains thermal expansion microspheres, so that the bulkiness and the air permeability of the yarn can be improved after expansion; and the curing agent in the foaming coating is crosslinked with the foaming resin, so that the hydrolysis resistance and the scratching resistance of the foaming coating can be improved.

The invention relates to the technical field of epoxy resin coatings, and discloses an inorganic composite nano anticorrosive coating material and a preparation method thereof. The inorganic composite nano anticorrosive coating material comprises a component A, a component B and a component C, wherein the component C is obtained by mixing a functional modified inorganic composite nano material and aluminum sorbate; the component A is obtained by mixing modified epoxy resin, a defoaming agent and an anti-settling agent, and the component B comprises a polyamide curing agent. The inorganic composite nano anticorrosive coating material disclosed by the invention has excellent toughness, wear resistance, corrosion resistance, antibacterial and antifouling properties and ultraviolet resistance.

The invention relates to the technical field of high polymer materials, and provides impact-resistant polystyrene and a preparation method thereof. The impact-resistant polystyrene comprises the following raw materials in parts by weight: 70-80 parts of polystyrene, 10-15 parts of styrene butadiene rubber, 10-20 parts of wood fiber, 1-2 parts of an antioxidant, 2-3 parts of a lubricant and 0.5-1 part of a vulcanizing agent. The styrene-butadiene rubber is composed of first styrene-butadiene rubber and second styrene-butadiene rubber which have different styrene mass contents. According to the technical scheme, the problem of poor impact resistance of polystyrene in related technologies is solved.

The invention belongs to the technical field of polyurethane materials, and provides a high-damping anti-fatigue and anti-aging polyurethane elastomer and a preparation method thereof. The high-temperature-resistant polyurethane elastomer is prepared from the following raw materials in parts by weight: 20 to 30 parts of poly (diethylene glycol adipate) glycol (PDA), 30 to 50 parts of polytetrahydrofuran ether glycol (PTMEG), 5 to 15 parts of chain extender, 0.1 to 0.3 part of A33, 0.1 to 0.2 part of organic tin catalyst, 2 to 5 parts of hindered phenol antioxidant, 1 to 3 parts of hindered amine light stabilizer, 3 to 8 parts of nano particles and 30 to 50 parts of isocyanate prepolymer. The isocyanate prepolymer is prepared from 1, 4-phenyl diisocyanate (PPDI) and branched chain-containing polytetrahydrofuran glycol PTXG according to a mass ratio of 1: (1.8 to 2.2). The polyurethane elastomer is excellent in damping performance and fatigue aging resistance, and meets the use requirements under complex working conditions.

The invention relates to the technical field of solid electrolyte, in particular to normal-temperature surface modified flexible oxide solid electrolyte and a preparation method and application thereof. The normal-temperature surface-modified flexible oxide solid electrolyte is prepared from the following raw materials: a monomer, polyethylene oxide, a solvent, an initiator, a modified oxide ceramic electrolyte and electrolyte salt, wherein the mass of the monomer is 1-10% of the total mass of the components; the molar ratio of the initiator to the monomer is 0.01%-0.1%; the molar ratio of the electrolyte salt to the monomer is 1: (6-12); the mass ratio of the electrolyte salt to the modified oxide ceramic electrolyte is 1: (2.5-5). The flexible oxide solid electrolyte has high conductivity, wide temperature tolerance range and high structural stability, and when the flexible oxide solid electrolyte is applied to an all-solid-state lithium metal battery, the ionic conductivity, safety and cycle performance of the battery are improved.

The invention discloses a rubber material for preparing a rubber hose for a liquid cooling system. The rubber material is prepared from the following raw materials in parts by weight: 55-80 parts of high Mooney ethylene propylene diene monomer, 20-45 parts of low Mooney ethylene propylene diene monomer, 100-150 parts of fast extruding furnace black, 30-65 parts of paraffin oil, 3-8 parts of petroleum resin, 1-5 parts of an anti-aging agent, 2-7 parts of an adhesive, 3-8 parts of zinc oxide, 1-3 parts of stearic acid, 0.3-1.5 parts of sulfur and 3-8 parts of an accelerant. The invention further discloses a rubber hose for the liquid cooling system. The rubber hose sequentially comprises an inner rubber layer, a first reinforcing layer, a first middle rubber layer, a second reinforcing layer, a second middle rubber layer, a third reinforcing layer and an outer rubber layer from inside to outside. The flexible pipe has the advantages of excellent flexibility, small bending radius, improvement of the flexibility and efficiency of the spatial layout of the liquid cooling system, good compatibility with the electronic fluorinated liquid, excellent high and low temperature resistance, excellent ozone resistance and the like, and excellent durability.

The invention discloses an electrode assembly and a battery. The electrode assembly comprises a plurality of pole pieces and an isolating membrane arranged between two pole pieces with opposite polarities, and at least one pole piece is provided with a plurality of first convex parts; the pole piece comprises a current collector and an active material layer arranged on the surface of the current collector, the first convex part is formed by bending a part of the current collector and a part of the active material layer towards the same side of the pole piece, the height of the first convex part is H1, and H1 is more than or equal to 20 microns and less than or equal to 80 microns; the active material layer comprises a softener, the softener is selected from at least one of organic silicon, fatty acid salt and quaternary ammonium salt, based on the total weight of the active material layer, the weight percentage of the softener is A, and A is larger than or equal to 0.01% and smaller than or equal to 0.4%. In the application, the softening agent is added into the active material layer to improve the overall flexibility of the pole piece 300, so that the active material layer at the first convex parts does not generate microcracks while the height of the first convex parts is higher, further, an electrode assembly capable of meeting the use requirements can be conveniently processed, and the electrolyte infiltration effect is improved.

The invention belongs to the technical field of materials, and particularly relates to a modified TB polymer, a preparation method and application of the modified TB polymer in an aluminum alloy surface coating. The prepared modified TB polymer has a structure as shown in a formula I, is used as a flexibilizer component in an aluminum alloy surface coating, can provide a large number of hydrophilic hydroxyl or carboxyl groups which are easily subjected to an activation reaction with a metal surface, and improves the adhesive force of the coating; meanwhile, the group can also improve the dispersity of the filler, so that the coating is more uniform, the stress effect of the coating can be improved, and the coating has better flexibility. In addition, a modified TB polymer is introduced into the coating, so that the prepared coating is green and environment-friendly, excellent in salt fog resistance and chemical corrosion resistance, capable of adapting to a complex marine environment, capable of well protecting metal materials and capable of prolonging the service life of the metal materials. And # imgabs0 # I is adopted.

The invention belongs to the technical field of electrochemistry, and particularly relates to a negative electrode binder which is composed of a core layer and a shell layer, and the core layer is coated with the shell layer. In one negative electrode binder, a core layer monomer used for synthesizing a core layer comprises ethylene glycol phenyl ether unsaturated acid ester. In the other negative electrode binder, the diameter of the core layer is 50-500 nm, and the thickness of the shell layer is 1-10 nm; or the glass transition temperature of the shell layer is greater than the glass transition temperature of the core layer; or the swelling degree of the core layer in the electrolyte is 20%-200%, and the swelling degree of the shell layer in the electrolyte is 1%-10%. The negative electrode binders have good flexibility, dispersibility, mechanical modulus and bonding strength, are beneficial to inhibition of volume expansion generated by a negative electrode active material in the charging and discharging process, and are beneficial to maintenance of structural stability in the long cycle process, so that the cycle performance of the battery is improved.