98 results about "Polymer alloy" patented technology

The invention provides a polymer alloy as well as a preparation method and application thereof, and the polymer alloy comprises the following components in parts by weight: 60-80 parts of polycarbonate, 8-20 parts of an acrylonitrile-butadiene-styrene copolymer, 5-12 parts of a phosphorus flame retardant, 1-6 parts of an anti-abnormal sound auxiliary agent and 0.8-5 parts of filler, the phosphorus flame retardant comprises a phosphazene flame retardant; the filler comprises talcum powder; the abnormal sound resistant auxiliary agent comprises a maleic anhydride grafted styrene-ethylene-butadiene-styrene copolymer. According to the PC / ABS polymer alloy and the preparation method thereof, specific types of phosphorus flame retardants, abnormal sound resistant auxiliaries and fillers are compounded, so that the damp-heat aging resistance of the PC / ABS polymer alloy is improved, the smoke density of the PC / ABS polymer alloy is reduced, and the polymer alloy has an abnormal sound resistant effect.

The invention provides a polymer alloy material, a preparation method thereof and a flow cell panel frame, and belongs to the technical field of high polymer materials. The polymer alloy material comprises the following components: 25-80% of polyolefin, 10-20% of engineering plastic, 1-5% of a compatilizer, 5-50% of an inorganic filler and 0.1-5% of an auxiliary agent. Wherein the engineering plastic is selected from one or more of a styrene methyl methacrylate copolymer, a styrene-butadiene methyl methacrylate copolymer, polycarbonate, polyphenyl ether, polyphenylene sulfide, a styrene-maleic anhydride copolymer or a styrene-acrylonitrile copolymer. The polymer alloy material forms a bicontinuous phase structure with'sea-sea 'microscopic dispersion characteristic and tight interface bonding, can simultaneously have the characteristics of excellent heat resistance, corrosion resistance, high flow, low shrinkage, high modulus and the like, and makes up for the defect of insufficient performance of the existing liquid flow cell panel frame plate PP material.

The invention discloses a nano organic titanium polymer and titanium-based polymer alloy copolymer as well as a preparation method and application thereof, and belongs to the technical field of material application. According to the invention, the defects in the prior art are overcome, titanium metal fine powder and organic epoxy resin or other polymer resin are blended, a nanocrystallization process is carried out in a planetary ball-milling reaction kettle, and complete chain and bond breaking, graft bonding and hybrid polymerization processes are carried out through a mechanochemical reaction, so that the titanium metal fine powder is obtained. According to the present invention, the nanometer organic titanium polymer and the titanium-based polymer alloy copolymer with the titanium element as the matrix are synthesized, the nanometer organic titanium polymer and the titanium-based polymer alloy copolymer are adopted as the matrix film forming material to be applied to the coating material, and the coating material can be widely used in the industrial heavy corrosion prevention field.

The invention discloses a high PV value polytetrafluoroethylene integral sliding bearing and a preparation method thereof, and the high PV value polytetrafluoroethylene integral sliding bearing is prepared by using polytetrafluoroethylene and fusible polytetrafluoroethylene as polymer matrixes, using sizing modified polytetrafluoroethylene fiber as a main reinforcing component, combining with a lubricating filler, and carrying out low temperature mechanical blending, bidirectional pressing and sinter molding processes. According to the invention, the fusible polytetrafluoroethylene is introduced to modify polytetrafluoroethylene, and the creep resistance and wear resistance of the composite material are improved by constructing a polymer alloy; the polytetrafluoroethylene fiber sized and modified by the heat-conducting filler is used as a main reinforcing filler, so that the heat-conducting property and the bearing capacity of the composite material are improved, and the reduction of strength and toughness caused by introduction of a large amount of high-modulus inorganic filler is avoided. The composite bearing has the advantages of high bearing capacity, high heat conductivity, high strength, high flexibility and excellent friction and wear performance, particularly has a relatively high PV value, and can be applied to transmission parts of mechanical devices in many industries such as chemical engineering, automobiles, pharmacy, food and the like.

To provide a polymer alloy that enables production of a molded article with superior mechanical characteristics.SOLUTION: A polymer alloy according to the present invention comprises a first liquid crystal polymer, a first non-liquid crystal polymer, and a compatibilizer that is a reaction product of a second liquid crystal polymer having a reactive group at its terminal and a second non-liquid crystal polymer having a reactive group capable of reacting with the reactive group at the terminal of the second liquid crystal polymer.SELECTED DRAWING: None

The present invention relates to the field of civil engineering construction technology, and in particular to a polymer alloy formwork connector and installation method, including a lock box and a buckle box, wherein a lock rod is arranged inside the lock box, the lock rod is connected to the lock box and can rotate, the lock rod is provided with a buckle rod, the buckle box is provided with a buckle block, the buckle rod and the buckle block form a match and can be buckled to form a detachable fixed connection between the lock box and the buckle box. The advantages of the present invention are: precise splicing; no additional parts and tools are required; increased installation stability; easy installation and dismantling; not affected by the internal angle of the structure; not easily damaged and can be used repeatedly; simple and reasonable structure, suitable for promotion.

The present invention relates to the technical field of polymer alloy materials, and particularly relates to a composite material of low-warpage PPO and PA66 and a preparation method thereof. The composite material of low-warpage PPO and PA66 uses polyphenylene ether resin and PA66 as the main materials, and adds polystyrene, compatibilizer, toughening agent, carbon nanotubes, chain extender and other auxiliaries to act synergistically. On the basis of ensuring the antistatic effect of the overall material, the electrophoretic painting effect of the overall composite material is effectively improved, the surface performance of the material is improved, and the low-temperature toughness and warpage deformation resistance of the material are enhanced; among them, the combined action of the special chain extender and polystyrene can maintain the overall physical properties while being more beneficial to the electrophoretic painting effect. In addition, the combination of PPO and PA66 can better maintain the balance during electrophoresis at 170 °C to avoid warpage deformation; the special toughening agent added can enable the material to still maintain good toughness at low temperatures.

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 polymer alloy plastic bridge and a preparation method thereof, and relates to the technical field of cable bridges, the polymer alloy plastic bridge comprises a main groove body, the main groove body is integrally formed by a bottom and two side plates, the bottom and the two side plates of the main groove body are each of a three-layer composite structure, the top of the main groove body is detachably connected with a cover plate through a buckle assembly, and the cover plate is detachably connected with the bottom of the main groove body. The three-layer composite structure sequentially comprises an alloy plastic base plate, a honeycomb-shaped reinforcing rib layer and a stainless steel plate from outside to inside. Through the design of the three-layer composite structure, the performance is synergistically enhanced, compared with a traditional plastic bridge, the weight is reduced by 30% or above, the bending strength is improved by 50%, the three-layer structure is firmly combined through the co-extrusion-mold pressing-bonding technology, the limitation of a bridge made of a single material on strength, weather resistance or weight is solved, and the service life of the bridge is prolonged. The structure has high specific strength and specific stiffness, the weight of the bridge can be effectively reduced while the overall strength of the bridge is guaranteed, installation and transportation are convenient, and the construction cost is reduced.

The invention relates to a preparation method of a degradable toughened polyester elastomer and a blend polymer alloy. The preparation method comprises the following steps: carrying out melt esterification and polycondensation on a hydroxyl-terminated PGA oligomer and binary acid to prepare the degradable toughened polyester elastomer; the molecular weight of the hydroxyl-terminated PGA oligomer is 400 to 7000 g / mol; the binary acid is aliphatic linear binary acid or flexible alicyclic diacid with the carbon atom number of 2-12; and drying PGA and the degradable toughened polyester elastomer, uniformly mixing, and carrying out blending extrusion in a twin-screw extruder to obtain the PGA / PGA-based elastomer blended polymer alloy. The degradable toughening polyester elastomer prepared by the method disclosed by the invention takes balance between tensile strength and elongation at break into account, and solves the problem that the degradation property and mechanical property of the conventional polyglycolide copolyester cannot be achieved at the same time; the blended polymer alloy is prepared by using the PGA-based elastomer to modify the PGA, the two-phase compatibility is good, the process is simple, and meanwhile, the high tensile strength and toughness are achieved.

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 present application relates to an inverter and a manufacturing method therefor. The inverter comprises a shell, and a circuit unit, a plastic frame and a bus which are accommodated in the shell, wherein the circuit unit is configured to convert a direct current inputted from a direct-current power supply into an alternating current and output same by means of the bus; the plastic frame is configured to retain and package the circuit unit and partially clad the bus, and is formed in a transfer molding mode along with the preformed bus; and the bus is made of a graphene polymer alloy, which is formed by means of adding graphene and other additives to a polymer matrix. The present application can significantly reduce the risk of producing cracks between a plastic frame and a bus under thermal cycling or temperature changes, and has the advantages of high reliability, low costs, simple and convenient implementation, etc.

The invention provides a preparation method of a plasma surface modified porous polytetrafluoroethylene chemical deposition double-chain quaternary ammonium salt polymer alloy membrane, and belongs to the technical field of functional membranes. The preparation method comprises the following steps: dissolving PVA in water to obtain a PVA aqueous solution, adding zinc chloride to obtain a zinc chloride PVA solution, adding PTFE into the zinc chloride PVA solution, uniformly stirring, dissolving the obtained solution into an organic solvent to obtain a spinning solution, carrying out electrostatic spinning on the spinning solution to obtain a porous polytetrafluoroethylene film, carrying out plasma surface activation treatment on the porous polytetrafluoroethylene film, and drying to obtain the porous polytetrafluoroethylene film. And carrying out chemical surface modification, drying and thermal crosslinking by using double-chain quaternary ammonium salt to obtain a finished product.

The invention relates to the field of polyphenylene sulfide materials, and particularly discloses a high-toughness polyphenylene sulfide polymer alloy, a high-toughness polyphenylene sulfide film and a preparation method of the high-toughness polyphenylene sulfide polymer alloy. The high-toughness polyphenylene sulfide polymer alloy comprises the following components in parts by weight: 50-90 parts of polyphenylene sulfide, 5-15 parts of a compatibilizer and 10-30 parts of a flexibilizer, the compatibilizer is glycidyl methacrylate; the flexibilizer is an amorphous polyether sulfone (ketone) polymer containing a flexible chain segment; the high-toughness polyphenylene sulfide film is prepared from high-toughness polyphenylene sulfide polymer alloy and has high thermal deformation temperature. The high-toughness polyphenylene sulfide film has the advantages of high strength and good toughness.

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 belongs to the technical field of materials, and particularly relates to a PET alloy material, a preparation method thereof and a floor base material. Compared with the prior art, the low-melting-point polyester polyol and the polyethylene glycol terephthalate resin base material are added into the reaction type chain extender system to react to form the body type polycondensation polymer alloy, so that the PET alloy material has lower processing temperature and wider processing temperature interval; the viscoelasticity change of the melt has a wide gradual change process due to the wider melting process, so that high shearing and high dispersion can be easily realized under the condition of lower processing temperature, especially in a high-filler system, and the performance requirements of an elastic floor base material can be met.

Provided is an artificial feather for a shuttlecock comprising: a feather shaft part composed of a reinforcing fiber (A) including at least a carbon fiber (A1) and a polymer alloy (B); and a feather wing part supported by the feather shaft part, the artificial feather being annularly implanted in a base part of the shuttlecock. The artificial feather for a shuttlecock includes, with respect to 100 parts by weight of the total of the reinforcing fibers (A) and (B), 1-50 parts by weight of the reinforcing fiber (A) containing at least carbon fibers, and 50-99 parts by weight of the polymer alloy (B), wherein the weight average fiber length (LwA1) of the carbon fiber (A1) is 0.5-7.0 mm. Also provided is an artificial shuttlecock having excellent impact strength and flexural modulus upon water absorption.

The invention provides a three-layer steel bridge deck pavement structure and a pavement method, and relates to the technical field of steel bridge decks, the three-layer steel bridge deck pavement structure comprises a polymer alloy material layer, a UHPC layer and an EA layer which are sequentially arranged on a steel bridge deck from bottom to top, the polymer alloy material layer is prepared from the following components in parts by weight: 10 to 100 parts of polyarylene sulfide, 0.1 to 10 parts of epoxy resin, 5 to 20 parts of polyphenyl ether and 20 to 50 parts of acrylonitrile-butadiene-styrene copolymer. Compared with the prior art, the pavement structure has the advantages that the effects of all the functional layers are fully exerted, so that enough binding power can be formed between the pavement structure and the bridge deck slab, and the deformation resistance and the shearing resistance are high; meanwhile, all the layers have good waterproof performance, water seepage is effectively prevented, and the stability of the paving structure is guaranteed.

The invention discloses a PC / PS composite carrier tape recycled plastic modified polymer alloy and a preparation method thereof.The modified polymer alloy comprises 85-95 wt% of PC / PS composite carrier tape recycled plastic, 3-10 wt% of a first polymer, 1-5 wt% of a second polymer and 1-5 wt% of a third polymer, the first polymer is used for improving the mechanical property, heat resistance and melt index of PC in the recycled material, and the second polymer is used for improving the mechanical property, heat resistance and melt index of PC in the recycled material; the second polymer is used for improving the compatibility of the PC / PS alloy and increasing the toughness of the material, and the third polymer is used for reducing the negative influence of the conductive carbon black on the impact property and the elongation at break of the recycled plastic.

The present invention provides a wiring harness and a resin composition. Even when the insulator materials of the cable group and the sheath are different, the wiring harness suppresses water from infiltrating from the branch portion by using a resin molded article that covers the branch portion of the cable group. There is provided a wiring harness (1) including: a multi-core cable (2) having an ABS sensor cable (21) with an outermost layer made of thermoplastic polyurethane and an electric parking brake cable (22) with an outermost layer made of polyolefin, and a sheath (23) made of thermoplastic polyurethane provided around them; and a resin molded article (3) that covers the sheath (23), the ABS sensor cable (21), and the electric parking brake cable (22) at a cable branch portion (4), the resin molded article (3) being composed of a polymer alloy of a first polymer containing at least one of a polyamide-based polymer, a polyester-based polymer, and thermoplastic polyurethane and a second polymer containing polyolefin.

The invention discloses a high-temperature-resistant nylon / liquid crystal polymer alloy for a high-vibration thermal cycle environment and a preparation method of the high-temperature-resistant nylon / liquid crystal polymer alloy in the field of high polymer materials. The high-temperature-resistant nylon / liquid crystal polymer alloy is prepared from the following raw materials: high-temperature nylon, wholly aromatic polyester or liquid crystal polymer, a novel bifunctional reactive compatilizer, chopped glass fibers, core-shell rubber particles and an antioxidant. The preparation method adopts multi-stage melt blending extrusion: in the first stage, adding the high-temperature nylon, the compatilizer and the antioxidant at a specific temperature, and staying for a certain time; raising the temperature to be close to the melting point of the liquid crystal polymer in the second stage, adding the liquid crystal polymer, the chopped glass fiber and the core-shell rubber particles through side feeding, and staying for a certain time; and carrying out third-stage cooling, adding silicone master batches, carrying out vacuum exhaust, and carrying out extrusion granulation. The granules can be used for injection molding or compression molding after being dried, and are suitable for high-vibration and thermal cycle environments.