38 results about "Polymer alloy" patented technology

The application belongs to the field of high dielectric constant (ε r ), low dielectric loss (tan delta) composite dielectric material, and particularly relates to a preparation method of a modified polyether sulfone / polyether imide polymer alloy. g Polymer polyether imide is blended, the mixture is added into DMAc at a solid content of 15%-20%, is stirred and dissolved at 80 DEG C, then a thin film is prepared on a glass plate by using a scraping coating method, finally the glass plate is transferred to a vacuum oven, is kept at 55 DEG C overnight, is kept at 100 DEG C for 3-5 hours, and is cured at 180 DEG C for 3-5 hours, thereby a blended film is prepared, wherein the mass fraction of the modified polyether sulfone in the mixture is 1wt%-30wt%. The modified polyaryl ether sulfone polymer segment with a side chain branched large dipole moment polar group is used as an organic filler, a small amount of addition can greatly reduce the dielectric loss, the operation is simple, the spectrum is good, and the influence on T g is very small, and the dispersion and interface problems of inorganic fillers are avoided.

This invention relates to the field of polymer technology and discloses a polylactic acid / polycarbonate polymer alloy and a method for forming the same. The polylactic acid / polycarbonate polymer alloy is disclosed to include polylactic acid / glycidyl methacrylate, acrylate, an initiator, polylactic acid, and polycarbonate. The material characteristics of the polylactic acid / polycarbonate polymer alloy of this invention will resemble those of polycarbonate, which possesses high toughness, heat resistance, and durability.

A stabilizer sleeve is disclosed for use with cardiac implantable electronic device leads. The sleeve comprises a tubular body sized to receive the lead and shaped to bias the lead toward a desired anatomical location, thereby reducing migration, dislodgement, and interference with cardiac structures. The sleeve may be introduced with the lead as a unitary assembly or added after lead placement. Various embodiments include a slitted body for expansion, radiopaque markers for visualization, detachable nose-cone tips for guidewire tracking, and antimicrobial coatings. The sleeve may be formed of polymers, alloys, or composite materials, and may include features such as texturing or anchoring projections for tissue engagement. Applications include positioning within a tricuspid valve commissure to minimize regurgitation and stabilizing left ventricular leads within branches of the coronary sinus. The device and methods described provide improved long-term stability and performance of implanted cardiac leads.

The application discloses a light reflection and enhancement film and an enhanced photovoltaic module with the same, the light reflection and enhancement film comprises a buffer layer and a substrate layer, the preparation raw materials of the buffer layer comprise an ethylene polymer, a mesoporous composite material, a filler and an additive, and the preparation raw materials of the substrate layer comprise a propylene polymer alloy, the mesoporous composite material, the filler and the additive. The light reflection and enhancement film and the enhanced photovoltaic module with the same have the advantages that the mesoporous material is compounded with the nanometer material to form the mesoporous composite material, and then the mesoporous composite material is used for preparing the buffer layer and the substrate layer, so that the reflectivity of the ultraviolet region of 330-380 nm, the adhesion between the buffer layer and the battery and the adhesion between the substrate layer and the adhesive film are improved, the light reflection and enhancement film is applied to the gap position between the battery pieces on the photovoltaic battery, the battery hidden crack and the fragments can be avoided, and the module power can be greatly improved compared with the application on the glass.

To provide a passenger conveyor capable of more stable operation. [Solution] The passenger conveyor comprises a handrail 7, a drive roller, and a handrail guide 18. The handrail 7 includes a canvas 14 and a main body 12 that is an extrusion molded body of thermoplastic elastomer and has the canvas 14 as a lining. The drive roller contacts the canvas 14 to move the handrail 7 in a circular motion. The handrail guide 18 contacts the canvas 14 to guide the movement of the handrail 7 in the longitudinal direction. The handrail guide 18 is made of a polymer alloy of polyethylene and polyacetal. The polymer alloy does not contain an adhesion inhibitor as an additive.

The invention discloses a plasticizable preparation method of a photovoltaic cross-linked adhesive film recycled material and a plasticizable recycled product, aiming at the defect that the existing recycled cross-linked photovoltaic adhesive film material does not have thermoplastic melt processing performance, the preparation method comprises the following steps: firstly, mixing polypropylene wax with cross-linked X-EVA / X-POE powder, and then carrying out heat treatment; the preparation method comprises the following steps: adding a crosslinking agent into a rubber material to improve the compatibility of the rubber material and other raw materials and reduce the thermal strength of rubber film powder, and then breaking a molecular chain of a crosslinking structure under the action of an initiator by utilizing the high-temperature shearing effect of an extruder, so as to realize the degradation and plasticization preparation of a crosslinking material, and re-endowing a recycled material (R-EVA / R-POE) with the characteristic of melt processability. By adjusting and optimizing the used formula, a blending product with better melt flowing property can be screened out, and the blending product can be used as a compatibilizer or a flexibilizer to be applied to polymer alloys and polymer inorganic filling composite materials to generate new economic values.

This invention provides a polymer alloy, its preparation method, and its applications. By weight, the polymer alloy comprises 40-95 parts nylon, 10-40 parts acrylonitrile-styrene-acrylate copolymer resin, 2-15 parts compatibilizer, and 1-8 parts toughening agent; the toughening agent comprises a combination of epoxy resin toughening agent and barium sulfate. By adding a compatibilizer, the compatibility between nylon and acrylonitrile-styrene-acrylate copolymer resin is improved. Simultaneously, by selecting a specific combination of toughening agents, the polymer alloy exhibits excellent mechanical properties and high notched impact strength.

To provide an alloy resin excellent in the balance between fluidity in melting and heat resistance in curing.SOLUTION: A polymer alloy comprising a polyvinyl chloride (A), a (meth) acrylic resin (B), and a stabilizing agent (C), wherein the stabilizing agent (C) comprises a liquid organotin compound (c1) that is liquid at 20 °C and a powdery organotin compound (c2) that is powdery at 20 °C. It is preferable that the melt flow rate (210 °C., load: 98N) of the alloy resins is 20g / 10 minutes or more, and the deflection temperature under load of the alloy resins is 80 °C. or more.SELECTED DRAWING: None

An artificial feather for a shuttlecock, which is provided with a feather shaft section made of a polymer alloy (B) and reinforcing fibers (A) containing at least carbon fibers (A1), and a feather wing section supported by the feather shaft section, and which is implanted in a circular ring shape in a base section of the shuttlecock, the artificial feather for shuttlecocks contains 1-50 parts by weight of reinforcing fibers (A) containing at least carbon fibers and 50-99 parts by weight of a polymer alloy (B) per 100 parts by weight of the total of the reinforcing fibers (A) and the polymer alloy (B), and the weight average fiber length (LwA1) of the carbon fibers (A1) is 0.5-7.0 mm. The artificial shuttlecock provided by the invention is excellent in impact strength and bending elastic modulus during water absorption.

The invention belongs to the field of high polymer materials, particularly relates to a novel high polymer alloy material and a master batch prepared from the novel high polymer alloy material, and further relates to application of the high polymer alloy material and the master batch. The polymer alloy material is a PETX / PBAT blended composition, and PETX is copolyester of ethylene glycol terephthalate and glycolic acid and / or lactic acid. According to the polymer alloy material and the master batch, excellent balance of rigidity and toughness can be achieved, the raw material cost and the process complexity are reduced, the soil moisture preservation performance of the material is improved, and meanwhile the application direction of PET plastic recycling is effectively expanded.

The application provides a polymer alloy and a preparation method and application thereof, the polymer alloy comprises 60-80 parts of polycarbonate, 8-20 parts of acrylonitrile-butadiene-styrene copolymer, 5-12 parts of a phosphorus flame retardant, 1-6 parts of an anti-noise auxiliary agent and 0.8-5 parts of a filler in terms of weight parts; the phosphorus flame retardant comprises a phosphazene flame retardant; the filler comprises talcum powder; and the anti-noise auxiliary agent comprises a maleic anhydride grafted styrene-ethylene-butadiene-styrene copolymer.In the application, the specific kind of phosphorus flame retardant, anti-noise auxiliary agent and filler are compounded, which is beneficial to improving the wet heat aging resistance of the PC / ABS polymer alloy, reducing the smoke density of the PC / ABS polymer alloy and enabling the polymer alloy to have the anti-noise effect.

The present invention provides a means for increasing the fluidity of a molten resin by using a liquid.　The fluidity of the molten resin can be increased by adding the liquid to the molten resin. The liquid in the molten resin vaporizes at the temperature of a heating cylinder or the temperature of the molten resin, becomes dissolved in the molten resin, and is integrated between molecular chains of the resin to increase the fluidity of the molten resin. The fluidity of the molten resin increases also when undissolved gas is finely dispersed in the molten resin.　The present invention provides a means for producing a foam molded article which has a smooth and beautiful surface and in which no / less reduction in physical properties is exhibited during foam-molding of a resin including an ester structure. The means is effective for obtaining a foam molded article of a polymer alloy made of a PC-based resin and a PC having a high expansion ratio.

The invention relates to the field of modified polymer alloy materials, in particular to a polyaryletherketone alloy material for wires and cables and a preparation method of the polyaryletherketone alloy material. The polyaryletherketone alloy material specifically comprises the following components in parts by weight: 19-42 parts of polyaryletherketone matrix resin; the content of the low-melting-point polyaryletherketone matrix resin is 20-40 parts; the content of the partially crosslinked polyaryletherketone matrix resin is 17-60 parts, and the balance is the auxiliary agent. The polyaryletherketone alloy material combination has lower processing temperature, wider processing window and more excellent processing performance and mechanical performance; therefore, the electric wire and cable taking the polyaryletherketone alloy material as the matrix resin is suitable for special electric wires and cables such as aviation and aerospace sensors, high-temperature engine sensors, high-temperature metallurgical sensors, medical sensors, high-temperature nuclear power sensors, oil field sensors, high-temperature chemical sensors and high-temperature energy exploration sensors. Electromagnetic wires for motors, transformers and the like are especially suitable for high-voltage motors; coating the optical fiber; nuclear power and other special fields.

The application relates to the technical field of organic functional material preparation, and provides a high piezoelectricity low modulus polymer alloy and a preparation method, the preparation method comprises the following steps: S1, dissolving dimers P(VDF-TrFE) and trimers P(VDF-TrFE-CFE) with different proportions into a polar solvent to form a mixed solution; S2, forming a thin film of the mixed solution on a substrate, crystallizing and annealing to obtain a piezoelectric polymer alloy; and S3, polarizing the piezoelectric polymer alloy by using a strong electric field, thereby obtaining the high piezoelectricity low modulus polymer alloy. The two organic polymer molecules are compatible at the molecular level, the crystallization temperature and the annealing temperature are controlled, the molecular chain conformation and the phase structure are regulated by using components and a polarization electric field, the morphotropic phase boundary is induced, the high piezoelectricity and the low Young's modulus of the polymer alloy are realized, and the foundation is laid for constructing high-performance piezoelectric devices. The material system used by the application is simple and controllable, the manufacturing cost is low, and the application has great commercial value and practical significance.

The invention discloses a high-flowability and high-transparency PC / copolyester alloy material as well as a preparation method and application thereof, and relates to the technical field of polymer alloy materials. The alloy material is prepared by blending polycarbonate serving as a base material with specific modified copolyester. Meanwhile, a functional group active monomer is added in the final polymerization stage to end the terminal carboxyl group of the copolyester, so that the low-terminal carboxyl group and low-molecular weight copolyester resin is obtained, and the content of the terminal carboxyl group is lower than 20 mol / t. The modified copolyester and part of chain segments of PC are subjected to a block reaction under high-temperature melting processing, a block-level polymer compatible system is formed in situ, and the problems that in the prior art, blending compatibility of PC and polyester is poor, and fluidity, optical performance, mechanical performance and chemical cracking resistance are difficult to consider at the same time are solved. Good dispersion of the low-molecular-weight copolyester in a high-viscosity PC system is realized, and the formed alloy material has good melt fluidity, optical transparency, proper mechanical properties and enhanced chemical cracking resistance.

The application provides a lithium cohesive alloy fuel, a preparation method and application thereof, and belongs to the field of metal fuels, and comprises aluminum, silicon and lithium, wherein the aluminum is used as a base body, the mass of the silicon accounts for 0.5-20% of the total mass of the metal fuel, the mass of the lithium accounts for 0.5-10% of the total mass of the metal fuel, and the silicon and the lithium are combined with the aluminum and exist in the form of AlSiLi intermetallic compounds in the elemental Al base body. Preferably, the mass of the silicon accounts for 10% of the total mass of the metal fuel, and the mass of the lithium accounts for 5% of the total mass of the metal fuel. The metal fuel is used for combustion energy release in the field of aerospace. The aluminum, the silicon and the lithium are smelted into an alloy base material by using an ultrahigh-temperature vacuum suspension smelting method, and then the alloy base material is prepared into spherical particles by using a high-temperature gas atomization powder preparation method. The application solves the problems that the aluminum-lithium alloy powder in the existing alloy fuel is easy to oxidize and difficult to store for a long time.

The invention discloses a Bio-ABS (Acrylonitrile Butadiene Styrene) / Bio-PE (Polyethylene) alloy material and a preparation method thereof, and belongs to the technical field of polymer alloy materials. The alloy material comprises the following components in percentage by weight: 40%-65% of Bio-ABS (Acrylonitrile Butadiene Styrene) resin, 30%-55% of Bio-PE (Polyethylene) resin and 3%-15% of a polyethylene grafted polystyrene compatilizer. A PE main chain of the polyethylene grafted polystyrene compatilizer is activated and modified to form active free radical sites, and reaction sites are provided for grafting of a PS branch chain; the PS branch chain is formed by in-situ graft polymerization of a styrene monomer on an activated PE main chain, comprises a repeated structural unit which is the same as that of a styrene chain segment in the Bio-ABS, and can be stably combined with the Bio-ABS according to the principle of'similar phase fusion '. The polyethylene grafted polystyrene compatilizer introduced in the invention successfully solves the problem of compatibility in the alloying process of high-proportion bio-based polyethylene and Bio-ABS, and the obtained material has the characteristics of high bio-based content, low carbon and environmental protection and excellent mechanical properties, and has wide industrial application prospects.

The present application relates to the field of polymer alloy material, and more particularly to a kind of wear-resistant alloy composition and wear-resistant alloy material and its preparation method and application, the composition includes: polycarbonate 40-60 parts by weight, acrylonitrile-styrene-acrylate copolymer 10-30 parts by weight, styrene-acrylonitrile copolymer 30-50 parts by weight, compatilizer 0.5-4 parts by weight, toughening agent 2-5 parts by weight, antioxidant 0.1-0.5 parts by weight, lubricant 0.2-0.5 parts by weight, ultraviolet absorber 0.1-0.3 parts by weight;The polycarbonate is isosorbide carbonate.The wear-resistant alloy material prepared by the composition has excellent wear resistance, weather resistance and impact resistance.

The invention relates to the technical field of polymers, and discloses a polylactic acid / polycarbonate polymer alloy and a forming method thereof, and the polylactic acid / polycarbonate polymer alloy is disclosed to comprise polylactic acid / glycidyl methacrylate, acrylate, an initiator, polylactic acid and polycarbonate. The material characteristics of the polylactic acid / polycarbonate polymer alloy disclosed by the invention are like polycarbonate with high toughness, heat resistance and durability.

The present application relates to a kind of based on precipitation strengthening polymer alloy Full-solid electrolyte, preparation method and application, the full-solid electrolyte is full-solid polymer electrolyte, including polymer alloy matrix and metal salt, polymer alloy matrix is composed of first, second, third high molecular compound, wherein second high molecular compound and third high molecular compound form block copolymer, third high molecular compound is compatible with first high molecular compound and incompatible with second high molecular compound, block copolymer forms second high molecular compound rigid skeleton and first high molecular compound ion channel interpenetrating continuous co-continuous microstructure in first high molecular compound by precipitation behavior.The present application decouples ion transport and mechanical support function, can simultaneously realize high ionic conductivity, high mechanical strength, high cation migration number, wide electrochemical window and high thermal stability, suitable for full-solid battery.

The application belongs to the field of high polymer materials, and particularly relates to an alloy film for a flexible circuit board and a preparation method and application thereof, which comprises the following components in parts by weight: polyphenyl ether 10-89.5%; liquid crystal polymer 10-89.5%; reaction catalyst 0.1-5%; antioxidant 0.1-0.3%; and the polyphenyl ether and the liquid crystal polymer generate a polymer alloy under the action of the reaction catalyst. Compared with the prior art, the application solves the defects that pure LCP film is difficult to prepare and process, and pure polyphenyl ether film is difficult to process and has poor solvent resistance, leading to the inability to realize practical application, by jointly forming an alloy film through the reaction of LCP and polyphenyl ether, so that low dielectric constant and low dielectric loss are realized, and the alloy film also meets the processing characteristics of a flexible copper-clad plate material.

The application relates to a preparation method of a degradable toughened polyester elastomer and a blended polymer alloy, which comprises the following steps: preparing the degradable toughened polyester elastomer by melt esterification and polycondensation of a hydroxyl-terminated PGA oligomer and a dibasic acid; the molecular weight of the hydroxyl-terminated PGA oligomer is 400-7000 g / mol; the dibasic acid is an aliphatic linear dibasic acid or a flexible alicyclic diacid with 2-12 carbon atoms; drying and uniformly mixing PGA and the degradable toughened polyester elastomer, and then blending and extruding in a double-screw extruder to obtain a PGA / PGA-based elastomer blended polymer alloy. The degradable toughened polyester elastomer prepared by the application balances the tensile strength and the elongation at break, and solves the problem that the degradation performance and the mechanical performance of a conventional polyglycolide copolyester cannot be compatible; the PGA-based elastomer is used to modify PGA to prepare the blended polymer alloy, the two phases have good compatibility, the process is simple, and the blended polymer alloy has high tensile strength and toughness.

The invention discloses a method for catalytically degrading and plasticizing a photovoltaic cross-linked material through a multivalent metal manganese / cerium compound, aiming at a thermosetting adhesive film which is cross-linked in a molecular structure, after a plasticizer and a cosolvent are used for carrying out hot dipping pretreatment on cross-linked adhesive film powder, the multivalent metal manganese / cerium compound is used as a degradation catalyst of a system, and then the photovoltaic cross-linked material is degraded and plasticized through the multivalent metal manganese / cerium compound. Then the mixture obtained after hot dipping treatment is evenly mixed with thermoplastic resin and a polymerization inhibitor, melt extrusion is conducted under the strong mechanical shearing force of a double-screw extruder, and the obtained extrusion product has a certain flowing property. According to the invention, the plasticizable preparation of the photovoltaic cross-linked adhesive film can be realized by aiming at a large number of photovoltaic cross-linked materials with a certain degree of cross-linking, which are recycled from the industries of packaging adhesive films, functional greenhouse films, foaming shoe materials and the like of crystalline silicon photovoltaic cells through the process; the extruded product can be applied to polymer alloy as a toughening filling material of traditional engineering plastics or as an interface modifier.

This application provides a method for preparing polymer alloys for ultrathin-wall applications, comprising: simulating the distribution of the material combination at the microscale using molecular dynamics simulation technology, analyzing interfacial bonding characteristics, and determining key interfacial bonding parameters; constructing a digital model of a multilayer alternating structure based on the interfacial bonding parameters, simulating the structure formation process, and obtaining stability data; adjusting the control variables of the processing technology using the stability data to generate a set of process parameters suitable for nanoscale construction; simulating the forming process of the ultrathin-wall part using the set of process parameters, analyzing performance indicators, and obtaining forming defect distribution data; iteratively adjusting the local design of the multilayer alternating structure based on the forming defect distribution data, and outputting a final structural optimization scheme; generating a polymer alloy preparation process using the structural optimization scheme, and determining surface treatment parameters in the production process based on appearance quality requirements.

Thereby, the polysulfone-based resin composition having high fluidity can simply be obtained at a low cost in a short time. The obtained polysulfone-based resin composition is particularly suitable for a polymer alloy with other thermoplastic resins or thermosetting resins.SOLUTION: The polysulfone-based resin composition comprises (A) a polysulfone-based resin, (B) a hydrophilic resin, and (C) a metal alkoxide. The method for producing the polysulfone-based polymer composition comprises bringing (A1) the polysulfone-based polymer, (B1) the hydrophilic polymer and (C) the metallic alkoxide into contact with each other in the absence of a non-solvent. Further, the polysulfone-based resin composition comprises (A2) a polysulfone-based resin and (B2) a hydrophilic resin, and has a melt viscosity of 1-500 Pa·s measured by using a capillary rheometer under the condition of a shear rate of 1216 / s at a temperature of (A2) the polysulfone-based resin + 5 minutes at a temperature of (B2) the hydrophilic resin + 50 °C.SELECTED DRAWING: None

The application belongs to the field of polymer alloy materials, and relates to a composite resin material for a new energy battery pack and a preparation method thereof.The composite resin material for the new energy battery pack comprises, in terms of weight fractions, 40-60 parts of polyphenyl ether PPE, 20-40 parts of polystyrene PS, 6-10 parts of a composite flame retardant, 3-5 parts of a compatibilizer, and 0.2-0.8 parts of an antioxidant.The composite flame retardant is a compound of aluminum diethyl phosphinate ADP and melamine polyphosphate MPP, the weight ratio of the aluminum diethyl phosphinate ADP to the melamine polyphosphate MPP is (5:3) to (3:1), the polyphenyl ether PPE is first subjected to pre-dispersion treatment with part of the compatibilizer, and then is subjected to melt blending with a mixture containing the remaining compatibilizer, the polystyrene PS, the composite flame retardant and the antioxidant.The composite resin material is efficient in environmental protection and flame retardation, excellent in mechanical properties, improved in heat resistance, good in processing performance, and simple and controllable in process.

To provide a polymer alloy which has high transparency, can be subjected to plastic working at normal temperature, and hardly causes whitening even when repeatedly bent SOLUTION: The polymer alloy is a polymer alloy of a polycarbonate and a polyester-based thermoplastic elastomer, wherein the weight ratio of the polycarbonate to the polyester-based thermoplastic elastomer is 90:10 to 50:50, and the polymer alloy does not have a glass transition temperature at a temperature of 140 °C or higher.SELECTED DRAWING: None

A polylactic acid (PLA) / polycarbonate (PC) polymer alloy includes polylactic acid / glycidyl methacrylate (PLA / GMA), an acrylate, an initiator, polylactic acid (PLA), and polycarbonate (PC).

The utility model discloses a PVC-PP polymer alloy toughening type composite aluminum profile which comprises an aluminum base body layer and a polymer layer, a plurality of first grooves are formed in the bottom of the aluminum base body layer and the inner walls of the two sides of the aluminum base body layer, protruding strips are formed between the adjacent first grooves, the upper ends of the two sides of the aluminum base body layer protrude towards the symmetrical face to form protruding parts, and the protruding parts are connected with the polymer layer. The surface of the protruding part is provided with a plurality of grooves, a protruding block is formed between every two adjacent grooves, the macromolecule layer is connected to the inner side of the aluminum base body layer through the bonding layer, the first strip groove, the grooves and the second strip groove are partially filled with the macromolecule layer, and a reinforcing layer is arranged in the macromolecule layer. The dovetail grooves and the inverted trapezoidal blocks are arranged between the aluminum substrate layer and the polymer layer, so that the aluminum substrate layer and the polymer layer can be bidirectionally meshed during compounding, the connection firmness of a composite surface is enhanced, the arranged reinforcing layer serves as a reinforcing framework, the tensile strength of the polymer layer is improved, and the service life of the polymer layer is prolonged. And interlayer cracking caused by stress concentration is avoided.

The invention relates to an inverter and a manufacturing method thereof, the inverter comprises a housing, and a circuit unit, a plastic frame and a bus which are accommodated in the housing, the circuit unit is used for converting direct current input from a direct current power supply into alternating current and outputting the alternating current through the bus, the plastic frame is used for holding and packaging the circuit unit and partially wrapping the bus, the plastic frame and the preformed bus are formed together in a transfer molding mode, the bus is made of graphene polymer alloy, and the graphene polymer alloy is made of graphene. The graphene polymer alloy is formed by adding graphene and other additives into a polymer matrix. The risk that cracks are generated between the plastic frame and the bus under thermal circulation or temperature change can be remarkably reduced, and the method has the advantages of being high in reliability, low in cost, easy and convenient to implement and the like.