71 results about "Polyketone" patented technology

In some embodiments, a cable can include an electrically conductive inner core. A first insulation layer can be disposed about the inner core. An electrically conductive layer can be disposed about the first insulation layer. A second insulation layer can be disposed about the electrically conductive layer. A first polymer jacket can be disposed about the second insulation layer. The first polymer jacket can include a first layer of armor strength members disposed therein. A second polymer jacket can be disposed about the first polymer jacket. The second polymer jacket can include a second layer of armor strength members disposed therein. An outer polymer jacket can be disposed about the second polymer jacket. At least one of the first polymer jacket, the second polymer jacket, and the outer polymer jacket can be formed from an aliphatic polyketone polymer, an ethylene-propylene copolymer, a polyolefin elastomer, a polypropylene, or a cross-linkable polyethylene.

The invention discloses a production method of a high-barrier BOPA film. The BOPA film comprises a surface layer, a middle layer and an inner layer, and the surface layer is composed of PA6, MXD12 and polyhedral oligomeric silsesquioxane; the middle layer is prepared from PA6, aliphatic polyketone and graphene oxide nylon master batch; the inner layer is composed of PA6, organically modified vermiculite, POE-g-MAH, an ethylene-vinyl alcohol copolymer and an antioxidant. The BOPA film prepared by the invention has the advantage of high barrier and has better mechanical properties.

Disclosed herein, inter alia, are methods of making polyketide compounds.

Thermoplastic resin composition for a coolant transport line, comprising a matrix containing a thermoplastic resin and a rubber domain dispersed in the matrix, wherein the thermoplastic resin composition has an oxygen permeability coefficient of not greater than 0.02 cm³·mm / (m²·day·mmHg) at a temperature of 21°C and at a relative humidity of 0%, the thermoplastic resin forming the matrix has a melt viscosity of not greater than 300 Pa·s at a temperature of 250°C and a shear rate of 243.2 s⁻¹, the thermoplastic resin comprises a thermoplastic resin with a melting point or glass transition point of not less than 150°C and with an oxygen permeability coefficient of not greater than 0.004 cm³·mm / (m²·day·mmHg) at a temperature of 21°C and at a relative humidity of 0%, the thermoplastic resin at least oneselected from the group consisting of a polyamide, a polyester, an ethylene-vinyl alcohol copolymer, a polycarbonate and a polyketone, the rubber is an isobutylene-based block copolymer comprising a polyisobutylene block and a polystyrene block, and an olefin-based or styrene-based polymer with at least one functional group selected from the group consisting of an epoxy group, an amino group, a hydroxyl group, an acid anhydride group and a carboxyl group, and the thermoplastic resin composition comprises the matrix at a volume ratio of 25 to 50 vol% and the domain at a volume ratio of 50 to 75 vol%.

The application discloses a printing ink for a non-treatment plastic film and a preparation method and application thereof, and belongs to the technical field of polymer materials. The printing ink for the non-treatment plastic film comprises the following raw materials in mass fractions: 40-70 parts of polyamide resin, 5-35 parts of polyketone resin, 1-20 parts of wax, 3-70 parts of an organic solvent, 0.1-2 parts of a dispersing agent and 3-20 parts of a pigment. The polyamide resin and the polyketone resin are combined, so that the adhesion of the printing ink on the film can be effectively improved; the printing film does not need to be subjected to a pre-treatment such as a corona treatment, and good adhesion can be provided; the printing effect is good; the printing ink has good wear resistance; the printed product can withstand the wear in daily use, has good durability and aesthetic degree, and can be widely applied in various fields such as food packaging, cosmetic packaging, medicine packaging and decorative products.

The invention relates to the technical field of sliding materials for seismic mitigation and isolation supports, and particularly discloses a self-lubricating wear-resistant composite material for a building seismic mitigation and isolation support and a preparation method of the self-lubricating wear-resistant composite material. The self-lubricating wear-resistant composite material for the building shock absorption and isolation support comprises the following raw material components: aliphatic polyketone, polytetrafluoroethylene, high polystyrene resin modified methyl vinyl silicone rubber, silicone resin, solid lubricating particles, silicone oil, a compatilizer, an antioxidant, a stabilizer and a coupling agent. The solid lubricating particles comprise the following raw material components: tungsten disulfide and hexagonal boron nitride. The self-lubricating wear-resistant composite material for the building shock absorption and isolation support prepared by the invention can keep a low and stable friction coefficient and excellent wear resistance for a long time, the dependence on external lubricating grease is remarkably reduced, and the technical problems that the self-lubricating performance of an existing support material is quickly attenuated, the maintenance is frequent and the cost is high are solved.

A microporous membrane is provided comprising 1) an organic polymeric matrix and 2) a particulate filler distributed throughout the matrix. The matrix comprises: a polyolefin component comprising ultra-high molecular weight polyethylene present in the organic polymeric matrix in an amount of 1 to 80 wt%; and an aliphatic polyketone polymer present in the organic polymeric matrix in an amount of 1 to 80 wt%. The particulate filler exhibits a total particle size in the range of 5 to 40 microns, is distributed throughout the organic polymeric matrix, and is present in the microporous membrane in an amount of 10 to 90 wt% based on the total weight of the microporous membrane, as determined by use of a laser diffraction particle size instrument.

The invention discloses construction and application of myxobacteria chassis cells. Hu04 modified by a model strain myxococcus flavus DK1622 is used as an original strain, and an MxDIRECT technology is adopted to carry out targeted traceless knockout on an imuB gene in the Hu04 strain and core genes of some polyketone compound biosynthetic gene clusters. Meanwhile, a broad-spectrum multi-drug efflux pump and a non-carboxylation malonyl-coenzyme A synthesis route are introduced into the strain, and a phiC31 integrase recognition site attP is inserted into a genome high expression site. Compared with a wild strain DK1622, the chassis cell has the characteristics of motion gene deletion, exopolysaccharide reduction, hereditary stability improvement and the like, the fermentation process is remarkably optimized, the strain enters the logarithmic phase earlier, the plateau phase is prolonged, the synthesis efficiency of a target product is improved, the metabolism background is simple, precursor supply is sufficient, gene manipulation is facilitated, and the application prospect is broad. The method has efficient and universal application potential in synthesis of polyketone compounds.

The application discloses a polyketone filter membrane containing a composite pore structure and a preparation method thereof, and belongs to the technical field of organic filter membranes. Aliphatic polyketone is used as a main body resin, is uniformly mixed with an additive and a diluent dimethyl sulfoxide at 130-160 DEG C, and a filter membrane is prepared through a composite thermally induced phase separation method. The preparation method is simple, safe and environmentally friendly. The prepared membrane has the membrane structure characteristics of a non-solvent induced phase separation method and a thermally induced phase separation method, has a finger-shaped pore and a double-continuous net-shaped composite structure, and has a low price, good hydrophilicity and good solvent resistance. The aliphatic polyketone has a good application prospect in the field of membrane separation.

The invention relates to the technical field of friction materials, in particular to a friction material for an electromagnetic brake capable of braking stably and quietly and a preparation method of the friction material, and aims at solving the problems of unstable braking, low precision and high noise in the braking process caused by the fact that an existing industrial robot is influenced by the friction material. Comprising 40-50 wt% of friction-increasing filler, 15-30 wt% of a reinforcing material, 8-12 wt% of an adhesive, 8-15 wt% of friction-reducing filler and 0.5-2 wt% of a compounding agent, according to the total mass of the friction material, the reinforcing material comprises 1-2wt% of PI / Al2O3 composite fiber, and the antifriction filler comprises 3-5wt% of polyketone and 3-5wt% of Ti4MoSiB2. According to the invention, through improvement of multiple raw materials and a preparation process thereof, and through a synergistic effect mechanism among the PI / Al2O3 composite fiber, polyketone, Ti4MoSiB2 and other components, the outstanding effects of noise reduction enhancement and the like can be realized on the basis of maintaining good friction performance.

A method for producing oxidized forms of waxes (polar waxes) or polyketones containing oxygen functional groups from polypropylene (PP), polystyrene (PS), and / or polyethylene (PE), which can be used as lubricants, adhesives, coating agents, etc. In one or more examples, hydroperoxides were used as oxidants to cleave C-C and C-H bonds at mild temperatures (e.g., 150°C). C-C bond cleavage reduces the number average molecular weight (M n ) is reduced to 500-5000 g / mol. This method has been successfully applied to the conversion of post-consumer polyolefin waste to produce polar waxes or polyketones.

The invention provides an antistatic polyketone composite material as well as a preparation method and application thereof. The antistatic polyketone composite material comprises the following components in percentage by mass: 70-90% of polyketone resin; 0.5%-5% of a hydroxylated quaternary ammonium salt antistatic agent; 1%-3% of a surface hydroxyl modified carbon nanotube; 0.5% to 1.5% of graphene nanoplatelets; 3%-6% of fluorinated polyether ketone; 1%-5% of a phosphazene flame retardant; and 0.01%-0.2% of a conductivity regulator. The antistatic polyketone composite material provided by the invention has permanent and stable antistatic property, and has excellent electrolyte resistance, high flame retardance and good ionic conductivity on the basis of keeping high mechanical strength and high heat resistance of polyketone, and a battery test shows that the antistatic polyketone composite material has a good application prospect. And the cycle life (500-time capacity retention ratio is greater than or equal to 92%) and the thermal safety are remarkably improved.

Hoses with a burst pressure of at least 5.5 bar, wherein the hose has a layered structure with an inner barrier layer of a blend of ethylene vinyl alcohol copolymer and an aliphatic polyketone, at least one reinforcement layer and optionally an outer layer formed from a polymeric material. Such high pressure hoses are characterized by a very favorable property profile for use with hydrogen at high pressures. Also provided are methods for manufacturing such hoses, tank filling devices equipped with such hoses, and uses of corresponding high-pressure hoses for transferring hydrogen from a storage container to a tank.

A multilayer polymer pipe including a first tubular layer, the first layer having as main component one or more polyethylene polymers and which layer further includes at least one compatibilizer, preferably a functionalized polyethylene polymer, a second layer surrounding the first layer, the second layer including one or more polyamide polymers and being substantially free of compatibilizer, a third layer surrounding the second layer, the third layer including one or more polyketone polymers and being substantially free of compatibilizer, a fourth layer surrounding the third layer, the fourth layer including one or more polyamide polymers and being substantially free of compatibilizer, a fifth layer surrounding the fourth layer, the fifth layer including as main component one or more polyethylene polymers and which further includes at least one compatibilizer, preferably a functionalized polyethylene polymer.

The application discloses a method for preparing a polyketone separation membrane by a low-temperature thermally induced phase separation method and belongs to the technical field of organic separation membranes. A deep eutectic solvent is prepared by mixing a hydrogen bond acceptor and a hydrogen bond donor with a proper molar ratio, and the deep eutectic solvent is used as a diluent of the polyketone, mixed with the polyketone and a hydrophilic additive, and then a flat membrane and a tubular membrane are prepared by a thermally induced phase separation method. The deep eutectic solvent as the diluent significantly reduces the membrane preparation temperature, reduces the requirement for equipment and reduces energy consumption.

The application belongs to the field of polymer synthesis, and discloses a nickel complex for synthesizing polyketone resin, a preparation method and application. The method directly prepares high-value-added and excellent-performance polyketone polymer materials by using cheap and easily-obtained ethylene and carbon monoxide as raw materials; the catalyst synthesis method is simple, the price is low, the polymerization reaction temperature is close to the industrial temperature of about 50 DEG C, the polymer post-treatment separation process is simple, and the conversion number of the reaction reaches 10 4 g PK(g of Ni) ‑1 The mild reaction condition reduces the requirements for technical parameters and safety factors of the reaction device; the number average molecular weight of the polyketone resin is between 0.5-7*10 5 g / mol, the molecular weight distribution is in the range of 1.0-2.1, and the molecular weight requirement of the polyketone engineering plastic is met. Under the total pressure of 4.0 MPa of ethylene / CO, the stability lasts for 3 hours, and the method has industrial application prospect.

The invention relates to the technical field of composite films, and particularly discloses a high-adhesion colored high-brightness composite film packaging material which structurally comprises a bottom film layer and a colored layer compounded on the surface of the bottom film layer, the colored layer is formed by coating and drying a colored coating containing a modified carbon black / crystalline flake graphite compound, polyketone resin, an oily acrylic acid-organic silicon composite resin solution and the like, the modified compound has a composite coating structure of a titanium hydroxyl compound and a silane coupling agent, and the bottom film layer is selected from a specific film and is subjected to corona treatment. The compatibility and the interface bonding force of a compound and resin are enhanced through a composite coating structure, all the components synergistically improve the color development, the brightness and the stability, and an optimized preparation process is matched, so that the material has high glossiness, excellent adhesive force and wear resistance and is suitable for the field of cigarette packaging.

The application provides a cable sheath material, which is made of the following components in parts by weight: a thermoplastic elastomer matrix 40-60 parts, a polyketone resin 5-15 parts, a flame retardant 25-40 parts, a compatibilizer 2-5 parts, a synergist 2-5 parts, and an antioxidant 0.2-0.8 parts; wherein the thermoplastic elastomer matrix is made of 15-25 parts of SEBS, 10-20 parts of white oil and 10-15 parts of polyolefin in parts by weight. The application also provides a preparation method of the cable sheath material. The cable sheath material provided by the application improves the wear resistance, oil resistance, tensile strength and flame retardant effect of the thermoplastic elastomer matrix through optimization of the polyketone resin and raw materials, and does not need to add additional wear-resistant fillers.

This invention relates to the field of sliding materials for seismic isolation bearings, specifically disclosing a high-temperature resistant and wear-resistant composite material for building seismic isolation bearings and its preparation method. The high-temperature resistant and wear-resistant composite material for building seismic isolation bearings comprises the following raw material components in parts by weight: aliphatic polyketone, high-styrene resin-modified methyl vinyl silicone rubber, silicone resin, fluorosilicone rubber, polytetrafluoroethylene, high-temperature resistant filler, lubricant, compatibilizer, and coupling agent; the high-temperature resistant filler comprises the following raw material components: chopped basalt fiber, titanium diboride, silicon nitride, and ceramic powder. The high-temperature resistant and wear-resistant composite material for building seismic isolation bearings prepared by this invention synergistically improves the material's wear performance, thermal stability, and compressive modulus through mechanisms such as hard embedding of filler, elastic energy absorption of rubber and plastic, and self-lubricating interface construction, thus overcoming the shortcomings of existing technologies.

Disclosed is a polyketone resin composition containing 29 to 34 wt % of a polyketone resin, 10 to 50 wt % of glass fiber, 10 to 50 wt % of a fire retardant, and 5 to 8 wt % of a flame retardant.The polyketone resin composition significantly improves the flame retardancy and high fire resistance of polyketone and thus is applicable to all industries including eco-friendly automobiles, energy storage devices, and other industries using lithium batteries.

This invention relates to the field of sliding materials for seismic isolation bearings, specifically disclosing a self-lubricating wear-resistant composite material for building seismic isolation bearings and its preparation method. The self-lubricating wear-resistant composite material for building seismic isolation bearings comprises the following raw material components: aliphatic polyketone, polytetrafluoroethylene, high-styrene resin modified methyl vinyl silicone rubber, silicone resin, solid lubricating particles, silicone oil, compatibilizer, antioxidant, stabilizer, and coupling agent; the raw material components of the solid lubricating particles include tungsten disulfide and hexagonal boron nitride. The self-lubricating wear-resistant composite material for building seismic isolation bearings prepared by this invention can maintain a low and stable coefficient of friction and excellent wear resistance over a long period, significantly reducing dependence on external lubricating grease, and solving the technical problems of rapid decay of self-lubricating performance, frequent maintenance, and high cost of existing bearing materials.

The method for producing a polyketone hollow fiber separation membrane according to the present invention includes the steps of: heating a mixture of polyketone and a diluent to melt the polyketone to prepare a dope solution; removing air bubbles present in the dope solution; spraying the dope solution from which air bubbles have been removed through a hollow fiber nozzle to obtain polyketone hollow fibers; immersing the polyketone hollow fibers in a cooling water tank to extract the diluent from the polyketone hollow fibers; and winding up the polyketone hollow fibers immersed in the cooling water tank to obtain a polyketone hollow fiber separation membrane.

There is a composite material for an acoustic transducer diaphragm comprising: a thermoplastic polymer resin, a graphite-based filler, and optionally a coupling agent. The thermoplastic polymer resin is selected from the group consisting of polypropylene, polyethylene, poly(methyl methacrylate), polycarbonate, polyoxymethylene, cyclic olefin copolymer, polyethylene terephthalate, acrylonitrile-butadiene-styrene copolymer, polybutylene terephthalate, polyamide, poly(ADP-ribose)polymerase, poly(ethyleneimine), polyamide-imide, poly(ether ether ketone), polyolefin, polyester, polycarbonate, polysulfone, polyacetal, polyvinyl acetal, polyketone, polyamide, cyclic olefin copolymer, thermoplastic thermotropic liquid crystalline polymer, polyphenylene sulfide, polyimide, and mixtures thereof. The graphite-based filler is selected from the group consisting of graphene oxide, reduced graphene oxide, graphite, graphene, and carbon nanotubes, and mixtures thereof. The coupling agent or mixture thereof is selected from the group consisting of titanium organometallic compounds, aluminum organometallic compounds, zirconium organometallic compounds, and silicon organometallic compounds.

The invention discloses a laser direct structuring polycarbonate blend composition as well as preparation and application thereof, and the laser direct structuring polycarbonate blend composition mainly comprises the following components in percentage by weight: 40-70% of a polycarbonate blend and 0.5-5% of an organic silicon modifier, 5 to 20% of a polycarbonate-polysiloxane copolymer; 1 to 5% of polyketone; 1-10% of a flame retardant; 2-10% of an additive that can be activated by laser; 5-40% of an inorganic filler; and 0.5-5% of other additives. According to the invention, the problem that the laser direct structuring polycarbonate blend can simultaneously reach UL94 V0 vertical combustion and needle flame test S2 grade under the thin-wall condition is solved, and meanwhile, the material has excellent mechanical properties and good chemical plating effect.

The application discloses a kind of aliphatic polyketone filter membranes containing fibrous hole and preparation method thereof, belong to membrane separation technical field.A kind of aliphatic polyketone filter membranes containing fibrous hole, aliphatic polyketone is used as main body resin, F-127 and the like are used as hydrophilic modifier, high melting point adipic acid, phthalic anhydride and the like are used as diluent, dispersed uniformly at 160-200 DEG C, after defoaming, form certain shape, obtain the aliphatic polyketone filter membranes containing fibrous hole.The special fibrous hole structure of the aliphatic polyketone filter membranes is different from the classic finger hole and sponge hole structure, has the performance advantage of combining the advantages of both, and POK is low in price, good in hydrophilicity, good in solvent resistance, has good application prospect in membrane filtration field.

The invention provides a bidentate organic phosphine ligand and a preparation method thereof, a novel polyketone catalyst and a use method and application thereof, and belongs to the technical field of catalysts. The structure of the bidentate organic phosphine ligand is as shown in a formula I. The ligand has a rigid annular bridging group, is higher in symmetry and moderate in steric hindrance, and can enhance the coordination stability of a subsequent ligand and palladium, so that the catalytic efficiency and the thermal stability are improved. In the invention, the polyketone polymerization catalyst obtained by the coordination reaction of the ligand and the palladium compound has a novel structure, and tests show that the catalyst has high catalytic efficiency (up to 37.2 kg / (gPd.h)), can tolerate repeated heating and can be repeatedly used for at least four times without obvious activity reduction, thereby solving the problems that the existing polyketone catalyst has low efficiency, poor stability and poor catalytic activity. And repeated utilization is difficult.

The invention relates to the technical field of batteries, in particular to a modified polyketone material, a conductive connecting piece, a preparation method of the conductive connecting piece, a battery and a power utilization device. The modified polyketone material comprises a polyketone material, a toughening agent, a compatilizer and an antioxidant, wherein the compatilizer is selected from at least one of an ethylene-acrylic acid copolymer and maleic anhydride grafted polypropylene. The modified polyketone material is high in elongation at break, good in adhesion with metal and suitable for forming an insulating layer on the surface of the metal, and the insulating layer is not prone to falling off, cracking and pulverization.

The utility model relates to the high polymer material production technical field with gas as raw material, concretely is a kind of production polyketone with stirring mechanism and reaction kettle. Including main shaft and with the main shaft connection a group of upper stirring rod, at least upper hollow tube in main shaft, with the lower end of upper hollow tube corresponding place is provided with the hollow crossbeam that is communicated with upper hollow tube, at least part upper stirring rod is connected with hollow crossbeam, and upper stirring rod is provided with the vent line that is communicated with hollow crossbeam, vent line is provided with gas outlet hole;Upper hollow tube is in and is provided with the first air inlet pipe of the first check valve of lower end with first. The utility model passes through the upper and lower passage of main shaft in reaction kettle and makes the air inlet pipe and stirring assembly combination, and the gas to be reacted can be directly passed into the bottom of the liquid to be reacted, so that it is fully contacted, and then the cooperation of upper stirring rod and lower stirring rod, thereby the effect of gas-liquid mass transfer is improved, the reaction efficiency is improved, and the polyketone product is effectively prevented from walling and caking in kettle.