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34 results about "Polyphenylsulfone" patented technology

Polyphenylsulfone (PPSF or PPSU) is a type of high performance polymer usually consisting of aromatic rings linked by sulfone (SO2) groups.

Semi-automatic settling separation device for plasma blood cells

The invention relates to the technical field of chemical and biological separation, and discloses a plasma blood cell semi-automatic settling separation device which comprises a device body, the device body is made of polytetrafluoroethylene, polyvinylidene fluoride or polyphenyl sulfone, the device body is of a fusiform structure, the interior of the device body is hollow, a double-layer magnetic suspension head is arranged in the device body, and the double-layer magnetic suspension head is arranged in the device body. The top end and the bottom end of the device body are respectively provided with an energizable electrode magnetic field for adjusting the position of the double-layer magnetic suspension head, and the device body is composed of an upper-layer main body part and a lower-layer main body part which are detachably connected. According to the semi-automatic settling separation device, blood coagulation activation can be avoided; the double-layer magnetic suspension head is designed to monitor the liquid level in real time and change the height of the floating head in time through an external magnetic field, plasma is rapidly and effectively separated, and manpower and material resource investment is reduced; due to multiple interfaces, the injection and collection efficiency of whole blood, plasma and blood cells is higher; the buffer liquid injection pipeline is inclined, so that mechanical damage to blood cells caused by injection is avoided.
Owner:CHONGQING KANGJU QUANHONG BIOTECHNOLOGY CO

Polyphenyl sulfone / polycarbonate alloy and preparation method thereof

PendingCN120904683APolymer sciencePolycarbonate
The invention discloses a high-flowability and flame-retardant polyphenyl sulfone / polycarbonate alloy and a preparation method thereof. Polyphenyl sulfone is compounded with polycarbonate to reduce the viscosity of the whole product, and then polysulfone resin is utilized to improve the thermodynamic compatibility of the polyphenyl sulfone and the polycarbonate; glass flake filler is ingeniously adopted to improve the flame retardance of the alloy, and finally the high-flowability flame-retardant polyphenyl sulfone polycarbonate alloy material is obtained and can be widely applied to the field of aviation.
Owner:WANHUA CHEM GRP CO LTD

Film and its uses

The present invention provides a film that exhibits better slipperiness, maintains sufficient durability under high temperature and high humidity conditions, and has improved mechanical properties compared to a film made solely of PPSU, and a reinforcing member for the electrolyte membrane of a polymer electrolyte fuel cell or polymer electrolyte water electrolysis using this film. [Solution] A film comprising 6 to 94 parts by mass of polyphenylsulfone and 94 to 6 parts by mass of polysulfone, wherein the arithmetic mean height (Sa) of at least one surface is 6.0 to 17.5 nm.
Owner:TOYOBO CO LTD

Preparation method and application of corrosion-resistant chain plate ring composite material suitable for non-metal chain

PendingCN121293683AFiberFirming agent
The invention relates to the technical field of new materials, in particular to a preparation method and application of a corrosion-resistant chain plate ring composite material suitable for a nonmetal chain, and the corrosion-resistant chain plate ring composite material comprises the following raw materials in parts by weight: 90-100 parts of epoxy resin, 5-10 parts of a diluent, 0.5-1.5 parts of a dispersing agent, 20-25 parts of a curing agent and 20-30 parts of filler. According to the invention, glass flakes in the base material are subjected to activation, sensitization and catalysis treatment, and the fiber material is formed by compounding polymers such as polyvinylidene fluoride, nylon 6 and polyphenyl sulfone with inorganic reinforcing phases such as silicon carbide whiskers, nano aluminum oxide and nano silicon dioxide, so that high dispersion and stable existence of a filler in epoxy resin are ensured; therefore, the permeation path of a corrosive medium is blocked, the corrosion resistance of the composite material is remarkably improved, and the service life of the composite material is remarkably prolonged.
Owner:GEMASUN ENVIRONMENTAL TECH (SHANGHAI) CO LTD

A small-pore high-flux ultrafiltration membrane, a preparation method and application thereof

The application belongs to the technical field of membrane separation, and particularly relates to a small-aperture high-flux ultrafiltration membrane and a preparation method and application thereof. Polymer material, an additive and an organic solvent are mixed, constant-temperature stirring and standing defoaming are performed to obtain a casting solution, and then a non-solvent phase separation method is used to prepare the ultrafiltration membrane. The polymer material comprises polyethersulfone and sulfonated polyphenylsulfone with a mass ratio of 95:5-80:20, and the additive is polyethylene glycol. The rejection rate of the ultrafiltration membrane to bovine serum albumin (BSA) is above 99%, the rejection rate of direct red 23 and coomassie brilliant blue and other dyes can be above 96%, and the pure water permeability is 310 L·m ‑2 ·h ‑1 ·bar ‑1 , which has a wide application prospect in the fields of antibody protein purification and concentration, dye desalination and nanoscale pollutant treatment in wastewater.
Owner:TIANJIN POLYTECHNIC UNIV

Film and use thereof

The present invention provides a film having good slipperiness, sufficiently maintained durability under high temperature and high humidity, and improved mechanical characteristics as compared with a film of PPSU alone, and provides a reinforcing member that is for electrolyte membranes for solid polymer electrolyte fuel cells or solid polymer electrolyte water electrolysis and that uses said film. The present invention relates to a film containing 6-94 mass parts of polyphenylsulfone and 94-6 mass parts of polysulfone, the arithmetic average height (Sa) of at least one surface being 6.0-17.5 nm.
Owner:TOYOBO CO LTD

A polycarbonate composition, a method for preparing the same and use thereof

The application discloses a polycarbonate composition and a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polycarbonate composition has good resistance to gamma-ray irradiation, and is prepared from alkyl phenol-terminated polycarbonate with good resistance to gamma-ray irradiation as a base resin and polyphenylsulfone with good resistance to irradiation, and has better resistance to gamma-ray irradiation, and also has good mechanical properties, and is suitable for preparing medical devices.
Owner:WUHAN JINFA TECH CO LTD +1

Modified engineering plastic and preparation method thereof

The invention relates to the technical field of engineering plastics, and discloses a modified engineering plastic and a preparation method thereof.The preparation method comprises the steps that S1, polyphenyl sulfone resin and functional filler are sequentially added into double-screw melt blending equipment, mixing is conducted under preset conditions, and premixed master batches are obtained, the functional filler comprises an interface bonding strength enhancing unit, a crosslinking unit and a thermal expansion coefficient adjusting unit; and S2, spraying a dilute solution containing a functional auxiliary agent on the premixed master batch at a preset temperature, drying and curing the dilute solution on the surface of the premixed master batch through hot air, stretching in a stretching machine head, and annealing to obtain the functional aggregate with interfacial activity and a surface oriented structure. According to the modified engineering plastic and the preparation method thereof, the bonding strength, the use stability and the environment durability and reliability of the molten modified engineering plastic and an aluminum alloy material are improved by reducing the thermal cycling stress and the mechanical interlocking performance and keeping the consistency of the modified engineering plastic.
Owner:DONGGUAN WEIFENG NEW MATERIALS TECH CO LTD

Bone cement injection device

PCT designated stageWO2026049470A1Infusion syringesSurgical needlesXylyleneCarcinogen
The present invention relates to a bone cement injection device and, more specifically, to a bone cement injection device comprising: a bone cement injection tool; and a syringe for injecting bone cement. The syringe for bone cement injection of the present invention uses polyphenylsulfone as a main component such that even when filled with bone cement used in bone-related surgery, the syringe does not undergo deformation and does not release carcinogens, thereby enabling safer use. In addition, the scale of the syringe for bone cement injection of the present invention is displayed as an engraved marking rather than with conventional xylene dye, such that the scale is not erased by organic solvents that dissolve bone cement and does not cause carcinogens, thereby providing a safe syringe for bone cement injection.
Owner:CHO CHUL MIN

Polyphenylsulfone sulfoxide fiber-based composite insulation paper and preparation method thereof

PendingCN121976426ASpecial paperWaste product additionFiberModified carbon
The invention discloses a polyphenyl sulfone sulfoxide fiber-based composite insulation paper and a preparation method thereof, and the polyphenyl sulfone sulfoxide fiber-based composite insulation paper is prepared by taking polyphenyl sulfone sulfoxide fibers and various fiber pulps as main raw materials and adopting a wet molding combined hot pressing process. According to the invention, a polydopamine coating is formed on the surface of the fiber through dopamine modification, so that a hydrogen bond binding mechanism is introduced into the modified polyphenylsulfone sulfoxide chopped fiber, the mechanical property of the composite insulation paper is enhanced, and the modified carbon nitride nanoparticles are introduced as a filler to improve the compactness of the composite material and enhance the electrical insulation property of the composite insulation paper. The polyphenyl sulfone sulfoxide fiber-based composite insulation paper prepared by the invention has the characteristics of excellent mechanical property, high electrical insulation, high temperature resistance, corrosion resistance, flame retardance and the like. Meanwhile, the preparation method is low in raw material cost, short in technological process and easy and convenient to operate, the industrial production cost can be effectively reduced, and industrial production and practical application of the insulation paper are promoted.
Owner:FUZHOU UNIV +1

A sulfonated polyphenylsulfone impregnated self-lubricating fabric composite and method of making the same

The present application relates to the field of self-lubricating fabric, disclose a kind of sulfonated polyphenyl sulfone impregnated self-lubricating fabric composite and its preparation method, by PTFE / aramid fabric as matrix fiber, with sulfonated polyphenyl sulfone as matrix reinforcing resin, with evenly dispersed carbon shell microcapsule, graphite powder, whisker carbon tube as performance enhancement phase, significantly enhance the mechanical properties of gasket composite, thermodynamic properties, improve the tribological properties of composite under high load, high temperature and other environments.The preparation method uses two-step method, first by impregnating fabric to increase the mechanical properties of fiber, second by adding reinforcing additive to improve the tribological properties of fabric under high temperature, heavy load environment.
Owner:JIHUA LAB

Polyarylene sulfide fiber

This makes it possible to obtain polyarylene sulfide fibers that have excellent hydrophilicity while maintaining excellent heat resistance and chemical resistance. [Solution] A fiber characterized in that it is made from polyphenylene sulfide and at least one thermoplastic resin selected from polyphenylene ether resin, polycarbonate resin, polyethersulfone resin, polyphenylene sulfone resin, polyetherimide resin, and polysulfone resin, and at least a portion of the thermoplastic resin is exposed on the surface.
Owner:TORAY INDUSTRIES INC

Temperature-resistant and durable wafer loader material and preparation method and application thereof

The invention discloses a temperature-resistant and durable wafer loader material and a preparation method and application thereof, and belongs to the technical field of semiconductor equipment materials. The temperature-resistant and durable wafer loader material is prepared from the following components in parts by weight: 100 to 120 parts of polyvinylidene fluoride, 30 to 60 parts of polyether-ether-ketone, 15 to 20 parts of modifier, 10 to 20 parts of compatilizer, 1 to 3 parts of antioxidant, 6 to 10 parts of conductive filler and 3 to 5 parts of lubricant, the modifier is a polyvinylidene fluoride-polyethylene sulfone block polymer, and the mass ratio of a polyethylene sulfone block to a polyvinylidene fluoride block in the block polymer is (1.2-1.8): 1. By limiting the components of the material of the wafer loader, the wafer loader still has good temperature resistance and durable usability under the condition of ensuring corrosion resistance and static electricity resistance, and is beneficial to reducing the equipment cost of semiconductor production and improving the production efficiency and production safety.
Owner:QINGDAO BESLAN SEMICONDUCTOR TECHNOLOGY CO LTD

Translucent magazine for a firearm

A translucent magazine for a firearm may be formed from a mixture of Polyetherimide (PEI) and at least one of the following: Polyphenylsulfone (PPSU), Polyethersulfone (PES) and Polysulfone (PSU). The translucent magazine including a follower, floor plate, and a follower spring. The follower being opaque. The follower residing within a casing.
Owner:MAGPUL INDUSTRIES

A small-pore high-flux ultrafiltration membrane, a preparation method and application thereof

The application belongs to the technical field of membrane separation, and particularly relates to a small-aperture high-flux ultrafiltration membrane and a preparation method and application thereof. Polymer material, an additive and an organic solvent are mixed, constant-temperature stirring and standing defoaming are performed to obtain a casting solution, and then a non-solvent phase separation method is used to prepare the ultrafiltration membrane. The polymer material comprises polyethersulfone and sulfonated polyphenylsulfone with a mass ratio of 95:5-80:20, and the additive is polyethylene glycol. The rejection rate of the ultrafiltration membrane to bovine serum albumin (BSA) is above 99%, the rejection rate of direct red 23 and coomassie brilliant blue and other dyes can be above 96%, and the pure water permeability is 310 L·m ‑2 ·h ‑1 ·bar ‑1 , which has a wide application prospect in the fields of antibody protein purification and concentration, dye desalination and nanoscale pollutant treatment in wastewater.
Owner:TIANJIN POLYTECHNIC UNIV

Activated carbon adsorption device for tail gas generated in production of polyphenyl sulfone resin

ActiveCN224180575UImplement partial replacementAvoid replacing togetherDispersed particle separationActivated carbonSulfone
The utility model discloses a polyethylene sulfone resin production tail gas activated carbon adsorption device which comprises an activated carbon adsorption box, the activated carbon adsorption box is rotatably installed on a support, one end of the activated carbon adsorption box is provided with a tail gas inlet pipe, and the other end of the activated carbon adsorption box is provided with a tail gas exhaust pipe. An activated carbon adding opening and an activated carbon discharging opening are formed in the top end and the bottom end of the activated carbon adsorption box correspondingly, the activated carbon discharging opening is located in the side, close to the tail gas inlet pipe, of the activated carbon adsorption box, and a plurality of baffles are rotationally installed in the activated carbon adsorption box through rotating shafts. According to the activated carbon adsorption device for the tail gas generated in the production of the polyphenyl sulfone resin, partial replacement of the activated carbon is realized through a unique structural design. In the process of replacing the activated carbon, only the part of the activated carbon which is close to the tail gas inlet pipe and has higher saturation is discharged, so that all the activated carbon is prevented from being replaced together, the use amount of the activated carbon is greatly saved, and the production cost is reduced.
Owner:ANHUI ZHUOREN NEW MATERIAL TECH CO LTD

A large-diameter polyphenylsulfone monofilament and a method of making the same

This invention provides a method for preparing large-diameter polyphenylsulfone (PPS) monofilaments, comprising the following steps: mixing PPS and a lubricant and then performing melt extrusion to obtain a melt; extruding the melt through a spinneret to obtain nascent monofilaments; sequentially subjecting the nascent monofilaments to oil bath cooling, drawing, and winding to obtain cooled and shaped nascent monofilaments; and sequentially subjecting the cooled and shaped nascent monofilaments to slow drawing and heat setting to obtain large-diameter PPS monofilaments; the slow drawing speed is 3–5 m / min. The addition of a lubricant in this invention improves the flowability and extrusion stability of PPS, preventing melt fracture during extrusion. The subsequent oil bath cooling improves the surface smoothness of the cooled nascent monofilaments, which is beneficial for subsequent drawing. The slow drawing speed allows for slow cold drawing of the nascent monofilaments, which not only enables molecular chain orientation but also prevents filament breakage, thereby obtaining large-diameter PPS monofilaments.
Owner:厦门厦迪亚斯过滤材料技术股份有限公司

Sulfonated polyphenyl sulfone impregnated self-lubricating fabric composite material and preparation method thereof

The invention relates to the field of self-lubricating fabrics, and discloses a sulfonated polyphenyl sulfone impregnated self-lubricating fabric composite material and a preparation method thereof.The sulfonated polyphenyl sulfone impregnated self-lubricating fabric composite material is prepared by taking PTFE / aramid fiber fabrics as matrix fibers, taking sulfonated polyphenyl sulfone as matrix reinforced resin and taking uniformly dispersed carbon shell microcapsules, graphite powder and whisker carbon tubes as performance reinforced phases; the mechanical property and thermodynamic property of the liner composite material are remarkably enhanced, and the tribological property of the composite material in high-load, high-temperature and other environments is improved. The preparation method adopts a two-step method, for the first time, the mechanical property of the fiber is improved by infiltrating the fabric, and for the second time, the tribological property of the fabric in a high-temperature and heavy-load environment is improved by adding a reinforcing additive.
Owner:JIHUA LAB

Flame-retardant PPS-based composition and molded article using the same

A flame-retardant PPS-based composition comprising A) at least one polyphenylene sulfide polymer, B) at least one polyphenylsulfone polymer, C) at least one epoxy functional group-containing thermoplastic elastomer, and D) epoxy-modified polysiloxane. The PPS-based composition has a V-0 rating when using UL94V (2013) standard (thickness 0.8 mm). Articles containing or manufactured from such a flame-retardant PPS-based composition. Use of articles as components of electric vehicles. A method for cooling and / or operating a battery, comprising passing a heat transfer fluid through a flame-retardant heat transfer tube containing or manufactured from a flame-retardant PPS-based composition.
Owner:SYENSQO SPECIALTY POLYMERS USA LLC

An aminated graphene oxide-based bipolar film and its preparation method

This invention discloses an aminated graphene oxide-based bipolar membrane and its preparation method, belonging to the field of bipolar membrane technology. The bipolar membrane is composed of a sulfonated polyphenylene sulfone cation layer, an aminated graphene oxide interlayer, and a quaternized polyphenylene ether anion layer stacked sequentially. This invention utilizes the aminated graphene oxide as the interlayer, taking advantage of its two-dimensional sheet-like morphology, abundant catalytic groups, and cross-linking effect to achieve a bipolar membrane with low water dissociation voltage, good interlayer compatibility, and structural stability. When applied to electrodialysis, it improves alkali concentration and current efficiency compared to commercially available membranes, while reducing energy consumption, showing promising application prospects in acid and alkali preparation, resource recovery, and other fields.
Owner:HEFEI UNIV OF TECH +1

High-temperature-resistant polyphenylsulfone composite material and preparation method thereof

The application discloses a kind of high-temperature-resistant polyphenyl sulfone composite and preparation method thereof, belong to polyphenyl sulfone composite technical field, first by ultrasonic dispersion and complexation reaction preparation tannic acid-iron complex modified molybdenum disulfide, iron-containing carbon-coated molybdenum disulfide is obtained by high-temperature carbonization, so it has good stability and lubricity, then using 6-hydroxy-2-naphthoic acid, 4,4'-diphenyl ether dicarboxylic acid and 4,4'-dihydroxy diphenyl sulfone and other monomers in acetic anhydride system are prepared by melt polycondensation and solid phase condensation reaction, modified aromatic liquid crystal polyester is prepared, and fiber network is formed, finally, iron-containing carbon-coated molybdenum disulfide and modified aromatic liquid crystal polyester and polyphenyl sulfone resin are melt blended in double-screw extruder, and high-temperature-resistant polyphenyl sulfone composite is obtained, effectively solve the problem that the lubricating property of polyphenyl sulfone material is reduced under high temperature and high humidity environment, and the mechanical toughness is attenuated, suitable for high-end medical instrument application needing long-term tolerance multiple sterilization cycle.
Owner:ANHUI JUFANG NEW MATERIAL TECHNOLOGY CO LTD

Refrigerant pipe for cryogenic refrigerants

To provide a lighter refrigerant pipe for flowing a cryogenic refrigerant (120 Kelvin or less). [Solution] By constructing at least one pipe material that constitutes a refrigerant pipe, in part or in whole, from an amorphous thermoplastic, the weight of the refrigerant pipe can be reduced compared to conventional refrigerant pipes that are constructed from metal members. Amorphous thermoplastics that can be used include polyethersulfone (PESU), polysulfone (PSU), polyphenylsulfone (PPSU), and other materials that have excellent cold resistance. Furthermore, because the pipe material is transparent or translucent, the status of the refrigerant flowing through it can be visually confirmed.
Owner:SWCC CORP KAWASAKI CITY +1

A polyphenylsulfone resin and a method for its preparation

ActiveCN119241842BPolymer scienceSulfone
This invention discloses a polyphenylene sulfone resin and its preparation method, relating to the field of high-temperature resistant polymer materials. The invention employs a method of adding solvent first and then monomer, while simultaneously adding an external circulation pipeline to the equipment to reduce monomer by-decomposition, further increasing the mixing of raw materials and intermediate products during the reaction process, and improving the reaction rate. In the GPC chromatogram obtained by gel permeation chromatography, the sum of the percentages of lg(Mw1)>5.3 and lg(Mw2)<3.6 is less than 1.2% of the total, indicating that the obtained polyphenylene sulfone exhibits excellent dimensional stability.
Owner:WANHUA CHEM GRP CO LTD

PPS-based flame retardant composition and molded article using same

A flame retardant composition based on PPS comprising: A) at least one polyphenylene sulfide polymer; b) at least one polyphenylsulfone polymer, C) at least one thermoplastic elastomer containing epoxy functional groups, and D) an epoxy-modified polysiloxane. The PPS-based composition has a V-0 rating using the UL 94 V (2013) standard (0.8 mm thickness). An article of manufacture comprising or made from such a PPS-based flame retardant composition. Use of the article as a component of an electric vehicle. A method of cooling and / or operating a battery, the method comprising passing a heat transfer fluid in a flame retardant heat transfer tube comprising or made from the PPS-based flame retardant composition.
Owner:SOLVAY SPECIALTY POLYMERS USA LLC

High-elasticity textile fiber and preparation process thereof

The invention discloses a high-elasticity textile fiber and a preparation process thereof, and belongs to the technical field of textile fibers. The fiber is formed by compounding a reinforcing phase containing at least two high-performance polymers soluble in N, N-dimethylformamide and a thermoplastic polyurethane elastomer matrix through wet spinning; the at least two high performance polymers include polysulfone and / or polyphenylsulfone and exist in the fiber in a microphase separation structure. The preparation method comprises the following steps: dissolving the components in DMF to prepare a homogeneous spinning solution, and carrying out wet spinning, multi-stage stretching and post-treatment to obtain the fiber. By selecting a specific soluble polymer combination and utilizing controllable phase separation in the wet spinning process, on the premise of ensuring good spinnability and avoiding spinneret plate blockage, the technical contradictions that elasticity is damaged by traditional melt blending and a reinforced phase is difficult to introduce in conventional wet spinning are effectively solved; the strength, the modulus and the elastic recovery rate of the fiber are synergistically improved, and the performance can be further improved through optimal processes such as coagulating bath and a cross-linking agent.
Owner:WUJIANG YAXIMA TEXTILE CO LTD

System for delivering ultrapure water (UPW)

The invention relates to a system for delivering a UPW, comprising at least one component wherein said at least one component comprises a surface intended to be in contact with the UPW and made of or comprising a polymer composition (PC), the invention relates to a polymer composition (PC) comprising, consisting essentially of, or consisting of:-at least 50.0 wt% (> = 50.0 wt%) of at least one semi-crystalline polymer (P), with respect to the total weight of the polymer composition (PC); -optionally at least one additional polymer blended with the polymer (P) and selected from the group consisting of a polyaryletherketone (PAEK) different from the semi-crystalline polymer (P), a polysulfone (PSU), a polyphenylsulfone (PPSU), and combinations thereof; wherein the semi-crystalline polymer (P) comprises the following repeating units in the following proportion:-between 65.0 and 95.0 mol% of units having the formula (RPEEK); -between 5.0 and 35.0 mol% of units (RP) selected from the group consisting of units (RPEDEK), units (RPEoEK) and combinations thereof (RPEDEK) (RPEoEK), these proportions being given relative to the total amount of repeating units in the polymer (P); wherein UPW represents water exhibiting a resistivity of at least 18.0 M [Omega]. Cm at 25 DEG C and a total organic carbon (TOC) of at most 10.0 g / L.
Owner:SOLVAY SPECIALTY POLYMERS USA LLC

A polyetherimide composite material, and a method of making and using the same

PendingCN122255729APolyesterImide
The application discloses a polyetherimide composite material and a preparation method and application thereof, and belongs to the field of high polymer material special engineering plastics. The polyetherimide composite material is prepared by mixing polyetherimide, polyphenylsulfone and polyester, and on the basis of improving the flowability of the polyetherimide, the basic performance of the polyetherimide can also be maintained, the light transmittance of the polyetherimide is relatively improved, the heat distortion temperature is relatively improved, meanwhile, the polyetherimide composite material has the flame retardance, and can adapt to the application of the polyetherimide material in various fields.
Owner:SHANDONG DAWN POLYMER CO LTD +1

High performance polyphenylsulfone and method for its synthesis

The application relates to the technical field of high polymer material synthesis, and discloses high-performance polyphenyl sulfone and a synthesis method thereof, wherein the synthesis method is as follows: 4,4'-diphenol, 4,4'-dichlorodiphenyl sulfone, modified 2,6-difluorobenzene hydrazine and a polar aprotic solvent are mixed and dissolved, a salting agent and a water-carrying agent are added, a salting reaction and a polymerization reaction are carried out under an inert gas atmosphere, after the reaction is completed, precipitation, washing and drying are carried out, and high-performance polyphenyl sulfone is obtained. The high-performance polyphenyl sulfone has good impact resistance and high-temperature stability.
Owner:LUAN YIYONG TECHNOLOGY PARTNERSHIP (LLP)

Polymer-ceramic core-shell particle powders, and processes for making and articles comprising such powders

Methods of forming a ceramic-polymer composite powders comprise: superheating a mixture of polymer, solvent, and ceramic, to dissolve the polymer in the solvent; agitating the superheated mixture while substantially maintaining the mixture at an elevated temperature and pressure; and cooling the mixture to cause the polymer to precipitate on the particles of the ceramic and thereby form a plurality of the present polymer-ceramic core-shell particles. Methods of molding a part comprise subjecting a powder of the present polymer-ceramic core-shell particles that substantially fills a mold to a first pressure while the powder is at or above a first temperature above a melting temperature (Tm) of the polymer. The ceramic can be selected from the group of ceramics consisting of: Al2O3, Fe2O3, ZnO, ZrO2, and SiO2. The polymer can be selected from the group of polymers consisting of: PC copolymers, polyetherimide (PEI), polyetherimide (PEI) copolymers, polyphenylsulfone (PPSU), polyarylethersulfone (PAES), and polyether sulfones (PES).
Owner:SHPP GLOBAL TECH BV