193 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 fluoride-free reinforced wear-resistant polyketone composite material as well as a preparation method and application thereof, and relates to the technical field of polymer composite materials. The fluoride-free reinforced wear-resistant polyketone composite material comprises polyketone resin, glass fibers, modified ultra-high molecular weight polyethylene, an antioxidant and a lubricant, wherein the modified ultra-high molecular weight polyethylene is obtained by modifying branched-chain-free linear polyethylene with the molecular weight of 2 million or more, and the dosage of the modifier is 1%-5% of that of the ultra-high molecular weight polyethylene. The modified ultra-high molecular weight polyethylene, the glass fiber and the polyketone resin are subjected to blending modification, and the characteristics of good wear resistance of the polyketone resin and high strength of the glass fiber are combined; meanwhile, the friction coefficient is low after the ultra-high molecular weight polyethylene is modified, the compatibility with the polyketone resin is enhanced, the dispersion is more uniform, and the heat resistance and friction performance of the polyketone resin are comprehensively improved. In addition, due to the use of fluorine-free, the safety of the polyketone composite material is improved, and meanwhile, the application market of the polyketone composite material is expanded.

The invention belongs to the field of polymer synthesis, and discloses a polymerization method for regulating the molecular weight of polyketone. A nickel catalyst is adopted to catalyze ethylene, CO and propylene ternary polymerization under the action of adding a chain transfer agent and a stabilizer to directly prepare a series of ternary polyketone macromolecules with different molecular weights and adjustable melting points, the synthesis route is simple and convenient to operate, the reaction conditions are relatively mild, the molecular weight range of the obtained polyketone is relatively wide, and the production cost is low. The method is suitable for preparing multi-purpose and multifunctional polyketone high polymer materials through multiple processing ways. The molecular weight of the obtained polyketone is more than 80,000 and less than 200,000, and the polyketone can be processed into engineering plastics in injection molding, extrusion molding and other modes; the molecular weight of the obtained polyketone is as high as more than 9 million, and the application prospect of the polyketone for solution spinning into a polyketone super-strong fiber product can be met.

The invention relates to the technical field of high polymer material injection molding, and particularly provides a spraying-free button preparation method based on a double-shot injection molding process, and the spraying-free button preparation method based on the double-shot injection molding process is characterized in that through the double-shot injection molding process of polyketone (POK) and thermoplastic elastomer (TPE), temperature gradient control, mold rotation and micropore interface interlocking technologies are combined; and spraying-free, high-gloss, wear-resistant and environment-friendly button manufacturing is realized. The POK base body is subjected to high-temperature injection molding in the first injection mode, the TPE surface layer is subjected to low-temperature injection molding in the second injection mode, mechanical interlocking is formed through micropore filling, and the bonding capacity can be improved by 30% or above. According to the method, a traditional paint baking procedure is omitted, the comprehensive cost is reduced by 15%-20%, VOC emission tends to zero, and the method is suitable for production of decoration parts such as clothes and bags.

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.

The invention discloses a polyamide / polyketone alloy material as well as a preparation method and application thereof. The polyamide / polyketone alloy material is prepared from the following raw materials in parts by weight: 10-84.95% of polyamide resin; 5 to 25% of polyketone resin; 0.01%-5% of a compatilizer 1; 0.01 to 5% of a compatilizer 2; 10 to 50% of glass fiber; 0.01%-1% of a nucleating agent A; 0.01%-1% of a nucleating agent B; 0.01 to 1% of an antioxidant; and 0-2% of other additives. The problem of compatibility of polyamide and polyketone is solved through the synergistic effect of the multi-component compatilizers in formula design, the improvement of the compatibility is beneficial to improving the mechanical property of the alloy material, and meanwhile, the difference of the cooling crystallization temperature and rate of polyamide and polyketone is improved through the compounded nucleating agent; the compatibility of the polyamide and the polyketone in the cooling crystallization process is further improved, and the improvement of the compatibility of the polyamide and the polyketone is beneficial to the improvement of the mechanical property of the alloy material. The mechanical property of the prepared polyamide / polyketone alloy material is greatly improved, and the preparation method is simple and suitable for industrial production and application.

The invention discloses a nanofiber reinforced polyformaldehyde composite material and a preparation method thereof. The nanofiber reinforced polyformaldehyde composite material comprises the following raw material components in percentage by mass: 55-74% of a polyformaldehyde matrix; 11%-19% of polyketone resin; 5%-10% of a sulfur-free vulcanized elastomer; 8%-15% of a modified compound; 1%-3% of a silver nanowire; the invention relates to the technical field of composite materials. According to the nanofiber reinforced polyformaldehyde composite material and the preparation method thereof, the compound fibers provide an adhesion carrier for the boron nitride nanosheets, the strength of the composite material is improved, a heat conduction network is formed, the composite material has good flame retardance and heat conductivity, the continuity of the heat conduction network is guaranteed in cooperation with the silver nanowires, and the heat dissipation capacity of the composite material is improved; by combining the sulfur-free vulcanized elastomer and the polyketone resin, the elasticity and toughness of the composite material are improved, the notch impact strength is improved, the nanofibers are oriented in an electric field orientation mode, and the tensile strength and bending strength of the composite material are further improved.

The present invention relates to the field of electrolytes for lithium-ion batteries. In a first aspect, the present invention concerns a lithium-ion battery comprising a composite polymer electrolyte, wherein the composite polymer electrolyte comprises a lithium salt, a polymer, and γ- LiAlO2 particles, wherein the average particle size of the γ-LiAlO2 particles is at least 2 μm, and wherein the polymer is selected from a polyether, polycarbonate, polyketone, polyester, polynitrile, copolymers thereof and / or a combination thereof. In a second aspect, the present invention concerns a solution comprising a solvent, a lithium salt, a polymer, and γ-LiAlO2 particles; wherein the average particle size of the γ-LiAlO2 particles is at least 2 μm, and wherein the polymer is selected from a polyether, polycarbonate, polyketone, polyester, polynitrile, copolymers thereof and / or a combination thereof.

The invention relates to a preparation method for producing a polyketone compound by using a recombinant strain Streptomyces coelicola A3 (2) / p15A-KOspiH3 (the preservation number is CCTCC NO: M 20241470), and also relates to an application of the polyketone compound in tumor resistance, and the structural formula of the polyketone compound is # imgabs0 #, the structural formula of the polyketone compound is as shown in the specification, the structural formula of the polyketone compound is as shown in the specification, and the structural formula of the polyketone compound is as shown in the specification. A fermentation product containing the compound can be obtained through fermentation culture of Streptomyces coelicola A3 (2) / p15A-KOspiH3, and then the compound is obtained through separation and purification of methods such as VLC normal-phase column chromatography separation, C-18 ODS reversed-phase column chromatography separation and semi-preparative HPLC. The invention aims to obtain a novel compound with an anti-tumor effect in a gene cluster of a heterologous expression actinomycete source, and the novel compound has a good application prospect.

A multilayer permeation resistant article, such as a fuel transfer hose, includes an elastomeric layer and a polyketone (PK) barrier layer. The elastomeric layer may be directly bonded to the PK barrier layer without an intervening adhesive layer. To facilitate such direct bonding, the elastomeric layer may be formed from a composition including one or more ethylene vinyl acetate elastomer(s). The elastomeric composition may include additional elastomer(s), such as chlorinated polyethylene (CPE), acrylonitrile butadiene rubber (NBR), hydrogenated nitrile rubber (HNBR), or chlorosulfonated polyethylene (CSM). The barrier layer may exhibit a permeation rate of less than 10 g / m2 / day. The bonding performance of the elastomeric layer to the PK barrier layer may be characterized by an average load per width of 10 lbf / in or greater.

The invention belongs to the technical field of microbial engineering, and particularly relates to a polyketone compound extracted from a Trichoderma sp.QTYC44 liquid fermentation product as well as a preparation method and application of the polyketone compound. Specifically, the invention discloses a polyketone compound, the chemical structural formula of the polyketone compound is # imgabs0, and the polyketone compound can be used for inhibiting the growth of rice bacterial streak pathogen, staphylococcus aureus, tetracoccus and kiwi fruit canker pathogen.

The invention belongs to the field of polymer synthesis, chemical engineering and polymer processing, and provides non-alternating polyketone with a quasi-multi-block structure, a preparation method and application, the carbonyl content of the non-alternating polyketone is 0.5-48%, the number-average molecular weight is 1-500 kg / mol, the molecular weight distribution is 1.01-4.00, and the melting point is 80-240 DEG C. The invention further provides a preparation method and application of the non-alternating polyketone with the quasi-multi-block structure. A non-alternating polyketone chain is of a quasi-multi-block structure with a disordered long range and an ordered short range, a polar and non-polar chain structure is shown in a molecular chain, and the carbonyl content is uniformly distributed in the whole macromolecular chain. The non-alternating polyketone is prepared by adopting gas supply operation, and the uniform distribution of carbonyl in a main chain is ensured by maintaining and supplementing the gas with the carbon monoxide content consistent with the carbonyl content of the generated polymer. The non-alternating polyketone prepared by the invention is applied to efficient compatibilization of nylon and polyethylene.

The invention belongs to the field of polymer synthesis, and discloses a preparation method of low-melting-point polyketone resin, which adopts a cheap nickel system to catalyze copolymerization of ethylene, propylene and carbon monoxide, and obtains the low-melting-point polyketone resin through precise selection of a catalyst structure and assisted optimization of a polymerization process. A series of high-performance ternary polyketone resin materials with higher propylene insertion rate and lower melting point are simply and efficiently prepared, and the application range of polyketone is widened, so that different use requirements are met. Besides, the synthesis process is friendly, the reaction temperature and pressure are moderate, other expensive cocatalysts do not need to be added, and the overall activity is kept at a higher level of 105g mol <-1 > h <-1 >.

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 application relates to the technical field of synthetic chemistry, and provides a preparation method of alpha-pyrone-polyketone, which comprises the following steps: coupling reaction of compound 3 and compound 2 to obtain compound 26; secondary alcohol group of the compound 26 is removed to obtain compound 27; the compound 27 is removed from a protection group to obtain the alpha-pyrone-polyketone shown in compound 1; wherein the structural formula of the compound is as follows: the preparation method of the alpha-pyrone-polyketone provided in the application is based on the instability of the bis-bisolefin, and is constructed by using an alkenyl tin intermediate and an alkenyl iodine intermediate through a coupling reaction, so that the operation is simple, the yield of each step is high, and the method can be widely popularized and applied.

The present invention provides a food colouring composition, in particular, the present invention provides a composition or colouring composition comprising at least one polyketone compound pigment (i) and one or more of the following compounds (ii) carotenoid (e.g., lycopene, annatto and / or norannatto), rosmarinic acid, chlorogenic acid, rutin glucoside, and gamma-cyclodextrin and / or tocopherol.

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.

An impact-resistant, wear-resistant self-lubricating material and a composite plate based on polyketone and a preparation method thereof. The impact-resistant, wear-resistant self-lubricating composite plate comprises a substrate, a sintered layer, and an impact-resistant, wear-resistant self-lubricating layer. The impact-resistant, wear-resistant self-lubricating material based on polyketone consists of polyketone, anhydride grafted modified polyethylene, glass fiber, inorganic filler, lubricant, and antioxidant. The weight percentage of the polyketone is 45% to 79.8%, the weight percentage of the anhydride grafted modified polyethylene is 5% to 15%, the weight percentage of the glass fiber is 5% to 20%, the weight percentage of the inorganic filler is 5% to 15%, the weight percentage of the lubricant is 0.1-5%, and the weight percentage of the antioxidant is 0.1% to 3%. The glass fiber treated by vacuum sintering is mixed with the inorganic filler, polyketone, anhydride grafted modified polyethylene, and lubricant. The sintered layer has a plurality of regular or irregular pores penetrating the sintered layer, and the pores account for 15-25%. Since the friction reduction performance of the polyketone is improved, its excellent wear resistance is fully utilized, thereby producing a self-lubricating composite plate with better performance.

The invention discloses a polyketone compound japondiene A as well as a preparation method and application thereof, and belongs to the technical field of microbial metabolites. According to the present invention, the Aspergillus japonicus TE-739D is found, the polyketone compound japondiene A is successfully separated, extracted and prepared from the metabolic fermentation product of the Aspergillus japonicus TE-739D, and through the SciFindern database retrieval and compared with the currently reported compound, the polyketone compound japondiene A is the new structure compound reported for the first time, and can be used for preparing the new structure compound. Functional studies find that the polyketone compound japondiene A has insecticidal activity on spodoptera frugiperda, and technical support is provided for further development of biopesticides.

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.

The invention relates to the technical field of novel functional chemical materials, in particular to a high-temperature-resistant aerosol for isolating adhesion of welding slag and a preparation method of the high-temperature-resistant aerosol. The aerosol is composed of a functional film-forming liquid and a propellant, wherein the functional film-forming liquid comprises the following components in parts by weight: 15-20 parts of polyketone resin, 70-75 parts of ethanol, 3-5 parts of a stripping agent, 0.2-0.3 part of a dispersing agent, 0.1-0.3 part of a flatting agent, 0.01-0.03 part of a corrosion inhibitor and a proper amount of a viscosity modifier; the stripping agent is obtained by mechanically grinding and modifying spherical inorganic powder and stearate. The high-temperature-resistant polyketone resin and the spherical stripping agent are used in the aerosol, so that after the aerosol is sprayed to form a film, instant high-temperature welding slag drop points can be prevented from being adhered to ablate the surface of a metal part, and the quality of a welding part is effectively protected. And meanwhile, the peelability on the surface of a welding piece is considered. After welding is completed, the spraying film layer can be easily stripped and torn off, and cleaning with acid, alkali and detergent is not needed.

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.

One embodiment of the present invention relates to a laminate or a method for manufacturing a laminate, the laminate includes a layer (A) including at least one resin selected from the group consisting of a fluororesin, LCP, an ABS-based resin, and a polyketone-based resin and an adhesive layer (B) including an adhesive composition, at least a part of the adhesive layer (B) is in contact with the layer (A), the adhesive composition contains a graft-modified product of at least one base polymer selected from polyolefins by a carbodiimide monomer having a carbodiimide group and a polymerizable double bond and contains 0.1 to 50 mmol of the carbodiimide group per 100 g of the adhesive composition, and the density of the adhesive composition is 0.870 to 0.940 g / cm3.

The invention belongs to the technical field of fine chemical synthesis, and discloses a method for synthesizing methyl ketone by using an alkynediol byproduct. The method comprises the following steps: mixing the alkynediol byproduct polyketone polymer with a catalyst; introducing the mixed solution from the middle part of a tubular reactor, introducing N2 from the bottom of a tower reactor, entering the tubular reactor, and carrying out cracking reaction on the mixed solution in a bubbling manner to prepare methyl ketone; the catalyst is a solid acid catalyst and / or a solid base catalyst. According to the method, methyl ketone is prepared from the byproduct polyketone polymer of the alkyne diol, so that waste is turned into wealth, the raw material of the alkyne diol is synthesized again, and material waste is avoided; and the preparation process is simple, the reaction temperature is easy to control, the required equipment is simple, the production process is safe and reliable, and industrial production is easy. When the method is used for synthesizing methyl ketone, the polymer conversion rate is as high as 97.4%, and the methyl ketone yield is as high as 91.9%.

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.