2044 results about "Ferrocene" patented technology

Ionic hydrophilic high molecular weight redox polymers for use in enzymatic electrochemical-based sensors include a hydrophilic polymer (such as a hydrophilic polymer backbone) with ionic portions (e.g., cationic monomers incorporated in the hydrophilic polymer backbone) and a plurality of attached redox mediators. The redox mediators can be, for example, covalently attached to the hydrophilic polymer in a pendant manner. An exemplary cationic hydrophilic high molecular weight redox polymer is synthesized by co-polymerization of a hydrophilic acrylamide monomer, [2-(acryloyloxy)ethyl]trimethyl ammonium chloride and vinyl ferrocene.

The invention is a polymerization process for ethylene copolymers having a density less than 0.915 comprising contacting ethylene, one or more alpha-olefin monomer, and optionally one or more diene monomer, with a catalyst composition comprising the reaction product of at least one organometallic Group 4 metallocene compound derived from a bridged, fused-ring ligand containing biscyclopentadienyl hafnocene, said bridge being a substituted or unsubstituted carbon or silicon atom connecting the biscyclopentadienyl ligands, and a salt of a Group 13 element anionic complex having halogenated aromatic ligands in an essentially tetrahedral structure wherein the aromatic groups are polycyclic fused or pendant aromatic rings. The process is particularly suitable for the preparation of high comonomer content and high molecular weight ethylene-alpha-olefin plastomers and ethylene-propylene or ethylene-propylene-diene monomer elastomers.

A novel continuous process is used for production of carbon nanotubes (CNTs) by catalytic chemical vapor deposition (CCVD) of methane on iron floating catalyst in-situ deposited on MgO in a fluidized bed reactor. In the hot zone of the reactor, sublimed ferrocene vapors were contacted with MgO powder fluidized by methane feed to produce Fe / MgO catalyst in-situ. An annular tube was used to enhance the ferrocene and MgO contacting efficiency. Multi-wall as well as single-wall CNTs were grown on the Fe / MgO catalyst while falling down the reactor. The CNTs were continuously collected at the bottom of the reactor, only when MgO powder was used. The annular tube enhanced the contacting efficiency and improved both the quality and quantity of CNTs. The SEM and TEM micrographs of the products reveal that the CNTs are mostly entangled bundles with diameters of about 20 nm. Raman spectra show that the CNTs have low amount of amorphous carbon with IG / ID ratios as high as 10.2 for synthesis at 900° C. The RBM Raman peaks indicate formation of single-walled carbon nanotubes (SWNTs) of 1.0-1.2 nm diameter.

The invention relates to redox-switchable material comprising a redox-active moiety adsorbed, bonded or both, to a semiconductor material. Among the preferred redox-active moieties disclosed herein are ferrocenes, acridines, and quinones though any such moiety may be employed. The redox-switchable material of this invention may be used to selectively remove one or more selected solutes from an aqueous solution wherein adsorption / complexation of the solute is influenced by the oxidation state of the redox-active moiety. In an alternative embodiment, inclusion moieties that are covalently bound to the redox-active moiety are employed to achieve selective complexation of the desired solute. Other possible applications of the disclosed materials are photoerasable writing media, electrochromic or photochromic materials, catalysis, and solar energy storage.

The present invention discloses an organic phase dual flow battery, which comprises at least a battery monomer, wherein the battery monomer comprises a positive electrode and a negative electrode, the positive electrode and the negative electrode are respectively connected with a positive electrode terminal and a negative electrode terminal, a separation membrane is arranged between the positive electrode and the negative electrode, a positive electrode flow channel is arranged between the separation membrane and the positive electrode, a negative electrode flow channel is arranged between the separation membrane and the negative electrode, the positive electrode flow channel is filled with a positive electrode electrolyte liquid, the negative electrode flow channel is filled with a negative electrode electrolyte liquid, both ends of the positive electrode flow channel are respectively communicated with a positive electrode electrolyte liquid storage tank, both ends of the negative electrode flow channel are respectively communicated with a negative electrode electrolyte liquid storage tank, an active substance of the positive electrode electrolyte liquid is ferrocene or a derivative thereof, and an active substance of the negative electrode electrolyte liquid is anthraquinone or a derivative thereof. The organic phase dual flow battery of the anthraquinone or the derivative thereof / the ferrocene or the derivative thereof has advantages of simple manufacturing process, low cost, high cycle life and the like, has characteristics of high energy density, high power density and high energy utilization efficiency, and can be widely used in electric power, transportation, electronics and other industries.

Vertically aligned carbon nanotubes (VACNTs) of increased length are produced in a method that introduces ferrocene into an acetylene / hydrogen / inert gas stream during a chemical vapor deposition process. The ferrocene is supplied from a controllable thermal sublimation source. Independent and precise control of the ferrocene into the feedstock gas facilitates the growth of thick films comprising long carbon nanotubes on conductive substrates. An order of magnitude increase in the length of CNTs, from a few hundred microns to several mm is achieved.

This invention provides a new procedure for attaching molecules to semiconductor surfaces, in particular silicon. The molecules, which include, but are not limited to porphyrins and ferrocenes, have been previously shown to be attractive candidates for molecular-based information storage. The new attachment procedure is simple, can be completed in short times, requires minimal amounts of material, is compatible with diverse molecular functional groups, and in some instances affords unprecedented attachment motifs. These features greatly enhance the integration of the molecular materials into the processing steps that are needed to create hybrid molecular / semiconductor information storage devices.

This invention provides a new procedure for attaching molecules to semiconductor surfaces, in particular silicon. The molecules, which include, but are not limited to porphyrins and ferrocenes, have been previously shown to be attractive candidates for molecular-based information storage. The new attachment procedure is simple, can be completed in short times, requires minimal amounts of material, is compatible with diverse molecular functional groups, and in some instances affords unprecedented attachment motifs. These features greatly enhance the integration of the molecular materials into the processing steps that are needed to create hybrid molecular / semiconductor information storage devices.

The invention discloses a method for preparing carbon-coated superparamagnetic ferroferric oxide gel, which comprises: dissolving ferrocene and surfactant in an acetone solvent; adding solution of hydrogen peroxide into the solution to directly oxidize the ferrocene to synthesize polycrystal uniform magnetic nano balls under a low-temperature (180 to 240 DEG C) solvothermal condition; and allowing the polycrystal uniform magnetic nano balls to react in a magnetic field to prepare a magnetic linear nano material. The polycrystal uniform magnetic nano balls and nano chains are characterized in that: the particle size of the polycrystal uniform magnetic nano balls is limited to a narrow range and controllable; and the nano chains consist of uniform spherical particles and have high stability, and the inter-chain distance is controllable. The superparamagnetic polycrystal uniform nano ball and linear nano chain materials have high superparamagnetism and high chemical stability and gel stability and have promising application prospect in the field of biomedicine, nano self-assembly and the like; the nano balls are grafted by medicaments and can be used as medicament carriers; under the action of the magnetic field, the nano balls can be used as magnetic control photonic crystal; and the nano chains have a promising application prospect in the field of Bragg reflectors, magnetic probes, biomedicine and the like.

The present invention provides a composite material in which an organic compound and an inorganic compound are composited, which is superior in conductivity, a composite material which is superior in a property of injecting carriers to an organic compound, and a composite material having low resistance with metal. Further, the present invention provides a light emitting element operating at a low drive voltage by applying the composite material to a current excitation type light emitting element, and a light emitting device consuming low power by manufacturing a light emitting device using the light emitting element. The present invention provides a composite material including metal oxide and an organic compound having an oxidation peak potential with respect to an oxidation-reduction potential of ferrocene in dimethylformamide (DMF) at room temperature within the range of 0 V and 1.5 V (vs. Fc / Fc+), preferably within the range of 0.1 V and 1.0 V (vs. Fc / Fc+).

On substrate of electrode made from organic insulating material, conducting material is printed through spraying method so as to form working electrode and basal body, and a layer of polycarbonate insulator is coated on surfaces of intermediate part between them. Lower part of basal body of working electrode is coated a conversion zone formed through integrated application including techniques of high polymer built up film or ferrocene covering, embedding enzyme, nano technique, and diffusing astriction so as to fabricate biologic enzyme electrode. The invention raises each performance of biologic sensor and practicability integrally.

The invention discloses a clean alcohol ether-base gasoline, prepared of alcohol-base fuel mixed solution, naphtana etherified liquid, C-5 and cleaning agent; and its components in weight percent (wt%): alcohol-base fuel mixed solution 40-50, C-5 10-20, naphtana etherified liquid 30-45, cleaning agent 0.1. The alcohol-base fuel mixed solution is composed of methanol, acetone, hydrogen peroxide, ferrocene-benzene solution and camphor powder. The naphtana etherified liquid is prepared by etherifying naphtana, methyl-tert-butyl ether and isopropyl ether. The finished oil has rich HO molecular groups, high oxygen content and can fully burn. After it is used, the indexes of various harmful matters in the discharged tail gas from engines are obviously lower than those of ordinary gasoline and environmental protection.

The invention discloses high-pressure self-packing leather cup rubber for a packer. The high-pressure self-packing leather cup rubber is prepared from the following raw materials in parts by weight: 30-40 parts of nitrile rubber, 20-30 parts of isoprene rubber, 20-40 parts of ethylene propylene terpolymer 5962 (LANXESS Deutschland), 10-15 parts of fluorosilicone rubber, 3-5 parts of natural rubber, 30-40 parts of high abrasion furnace black N330, 10-15 parts of modified white carbon black, 3-4 parts of antimony trioxide, 8-10 parts of modified wood ash, 4-6 parts of attapulgite, 4-6 parts of meerschaum, 9-11 parts of modified iron tailing slag powder, 0.5-1 part of stearic acid, 0.5-1 part of isocyanate, 0.2-0.4 part of accelerant DM, 0.3-0.6 part of accelerant BZ, 1-2 parts of calcium stearate, 2-4 parts of zinc oxide, 0.2-0.4 part of ferrocene, 1-2 parts of polyethylene wax, 1-2 parts of antioxidant DSTP, 1-2 parts of anti-aging agent, 2-3 parts of coupling agent DL-151 and 16-18 parts of epoxy linseed oil. The rubber disclosed by the invention has excellent ozone resistance, excellent low temperature resistance and heat resistance and is large in operating temperature range and environment-friendly in process, so that the rubber can be used for preparing various packing materials.

The invention discloses a carbon nanotube cotton and a preparation method thereof, belonging to the technical field of synthesis and application of carbon nanomaterials. The carbon nanotube cotton in the invention is a macro-body material with a disorderly network-like porous structure, and the carbon nanotube cotton is formed by mutually winding and lapping a plurality of carbon nanotubes. The carbon nanotube cotton has the advantages of super-low density, super-hydrophobicity, good absorption, good cycle compressibility, good shape memory function and good thermal insulation. The carbon nanotube cotton can be used as the material for energy absorption, shock absorption, thermal insulation, sound absorption, toxic organic solvent absorption, oil-water separation, filtration and the like. The carbon nanotube cotton is directly produced by the catalytic cracking method, dichlorobenzene is taken as a carbon source, and ferrocene is taken as a catalyst. The preparation method has simple process and simple operation and is applicable to mass production.

The invention discloses a capacitor thin film containing modified nano-titanium dioxide and a preparation method thereof. The capacitor thin film comprises the following raw materials in parts by weight: 57-65 of metallocene polypropylene resin, 25-30 of LLDPE (Linear low density polyethylene) resin, 10-15 of low-density polyethylene, 10-15 of homo-polypropylene, 3-5 of epoxy linseed oil, 2-3 of polyvinyl alcohol, 1-2 of aluminum hydroxide, 1-2 of polyisobutylene, 8-12 of diatomite, 1-2 of ferrocene, 0.5-1.5 of poly-4-methyl-1-amylene, 7-9 of modified nano-titanium dioxide, 1.5-2.5 of cross-linking agent TAC, 0.2-0.4 of expoxy butyl oleate, 0.8-1.2 of epoxidation triglyceride, 3-5 of calcium stearate and 0.5-0.7 of modified trees ash. The preparation method disclosed by the invention is simple; and simultaneously, the diatomite, the modified nano-titanium dioxide and the modified trees ash are added to the raw materials so that the barrier property and air tightness of the thin film are improved, and the thin film has good resistance to pressure and impact resistance and simultaneously has the characteristics of high heat-seal strength and good heat sealing property.

The invention discloses metal rust-preventive oil comprising butyl acrylate. The oil is prepared from the raw materials of: No.120 solvent oil, paraffin, methyl diethanolamine, epoxy octyl stearate, magnesium naphthenate, a silane coupling agent KH560, a silane coupling agent A171, microcrystalline wax, aluminum stearate, magnesium lanolin soap, monoethanolamine, barium petroleum sulfonate, sodium lauryl sulfate, trioctyl trimellitate, benzotriazole, 2-aminoethyl heptadecenyl imidazoline, zinc stearate, an antioxidant BHT, an antioxidant 1010, dipropylene glycol, phytic acid, butyl acrylate, modified nano-grade dolomite powder, a composite film-forming material, and ferrocene. The rust-preventive oil provided by the invention has excellent contact rust resistance and good gas-phase rust resistance. The rust-preventive oil provided by the invention provides good gas-phase rust resistance and contact rust resistance for steel and brass.

The invention belongs to a preparation method of a nano composite material and particularly relates to the field of a microwave preparation method for a grapheme-based composite material. A preparation method for carbon nano tube-graphene composite foam comprises the following steps: firstly, loading ferrocene on graphene foam; and then carrying out microwave treatment on the graphene foam loaded with the ferrocene and decomposing the ferrocene on the graphene foam by a high temperature which is instantly generated, so as to generate a catalyst and a carbon source to realize carbon nano tube in-situ growth and obtain the carbon nano tube-graphene composite foam. A carbon nano tube in the composite material vertically and epitaxially grows on the surface of a hole wall of the graphene foam; the super-hydrophobic and super-lipophilic surface chemical characteristics are represented; the preparation method has a wide application prospect in the aspects of adsorption, oil-water separation and the like; the method has the characteristics that operation is simple and convenient, cost is low, and industrial production is easily realized, and is an important preparation method for nano carbon materials.

The invention relates to a nanometer porous metal-organic framework compound composite material, in particular to a ferrocene-porous metal-organic framework compound composite material, and a preparation method and an application thereof. The mass ratio of ferrocene and porous metal-organic framework compound is 50-200 percent. The ferrocene-porous metal-organic framework compound composite material is prepared by the following steps: firstly, preparing the nanometer porous metal-organic framework compound; and secondly, loading the ferrocene on the porous material through a gaseous diffusion method. The invention adopts the nanometer porous metal-organic framework compound to fix the ferrocene of electronic media with electrochemical activity to be used as the electrode modification material so as to realize the detection of peroxide without enzyme. Because the nanometer material has large specific surface area, the invention improves the detection sensitivity and can be used for other electrochemical biological sensors based on the detection of peroxide.

The invention discloses a device and method for preparing continuous carbon nanotube fiber through liquid seal gas phase flow catalytic reaction, wherein, the device is used in completing the following steps: a liquid tank is connected with the quartz tube arranged inside a tube furnace through a flange; the aqueous solution which contain H2O, 10 percent of HCl and 10 percent of PVA is adopted as seal liquid; the mixed solution of ethanol, ferrocene, thiophene and water is injected into 500 ml / minH2 to 1,000 ml / minH2 carrier gas flow through a micro-injection pump and is channeled into the quartz tube through a jet nozzle; reaction is completed under 900 DEG C to 1,200 DEG C high-temperature conditions and tubular continuous carbon nanotube fiber is generated at a reaction zone; finally, the generated carbon nanotube fiber is treated through the seal liquid medium or is directly operated at the reaction zone. The invention realizes direct operation of carbon nanotube fiber at the reaction zone and treatment for the generated fiber so as to obtain continuous carbon nanotube fiber with high purity and high strength; moreover, with moderate reaction conditions, the invention is suitable for large scale production of the carbon nanotube fiber and has wide application range.

The present invention provides an initiator system including an infrared-absorbing compound that exhibits an electronic transition band in the near-infrared region, an initiator, and a metallocene compound. Upon exposure to infrared radiation, the initiator system is capable of producing radicals sufficient to initiate a photopolymerization reaction. Suitable infrared-absorbing compounds include indocyanine dyes, for example. Trihalomethyl triazine compounds and onium compounds are suitable initiators. Suitable metallocene compounds include ferrocenes and titanocenes. The present invention also provides an infrared-sensitive composition including an ethylenically unsaturated polymerizable component, an infrared-absorbing compound that exhibits an electronic transition band in the near-infrared region, an initiator, and a metallocene compound. The infrared-sensitive composition provides improved photospeed and sensitivity in some embodiments. A printing plate precursor including an infrared-sensitive coating is also provided. The printing plate precursor exhibits enhanced shelf life in some embodiments. A method of making a printing plate precursor and a method for making a printable lithographic printing plate are further provided by the invention.

The invention relates to a technical method for synthesizing continuous carbon nanometer tube film, which comprises the following step of: with glycol, ethanol, acetone, hexane, benzene, toluene or xylene as a carbon source, ferrocene as catalyst, sulphur and thiophene as accelerators and with hydrogen, argon gas, nitrogen, helium or the mixed gas of hydrogen and inert gas as carrier gas, preparing a continuous carbon nanometer tube film at flow rate of carrier gas from 50 to 6000 ml / mi at temperature of 1000 to 1300 DEG C by use of a horizontal reaction furnace device, wherein the carbon nanometer tube mainly consists of a single-wall carbon nanometer tube and a double-wall carbon nanometer tube. The invention has the advantages that carbon nanometer tubes can be continuously synthesized, and scale production of carbon nanometer tubes is facilitated.

The method provides a method for in-situ growing carbon nanotubes on fiber surfaces, namely a method for directly growing carbon nanotubes on surfaces of fibers (carbon fibers, glass fibers, silicon carbide fibers, alumina fibers, high silica fibers, mullite fibers and the like). In the method, normal hexane, hexane, benzene, toluene, dimethylbenzene, ethanol or acetone is used as a carbon source, ferrocene is used as a catalyst, a sulfur compound such as sulfur, thiophene and the like are used as an accelerator, and hydrogen, argon, nitrogen, helium or the mixture of hydrogen, inert gas and the like is used as carrier gas, a horizontal reacting furnace device is used to direct grow the carbon nanotubes on the fiber surfaces under the conditions that the temperature ranges from 600 DEG C to 1000 DEG C and the carrier gas flow velocity is 10-2000ml / min. The method has the following advantage: the carbon nanotubes are directly grown on the fiber surfaces without depositing catalyst particles on the fiber surfaces in advance, which is beneficial to the large-scale growth of the carbon nanotubes on the surfaces of the fiber fabrics.

The invention discloses leather cup rubber for a laundry machine. The leather cup rubber is prepared from the following raw materials in parts by weight: 30-40 parts of nitrile rubber, 20-30 parts of chlorosulfonated polyethylene rubber, 20-40 parts of ethylene propylene terpolymer 5962 (LANXESS Deutschland), 10-15 parts of fluorine rubber, 3-5 parts of natural rubber, 20-30 parts of high abrasion furnace black N330, 10-15 parts of modified white carbon black, 3-4 parts of zirconia, 8-10 parts of modified wood ash, 4-6 parts of attapulgite, 4-6 parts of meerschaum, 9-11 parts of modified iron tailing slag powder, 0.5-1 part of stearic acid, 0.5-1 part of isocyanate, 0.2-0.4 part of accelerant DM, 0.3-0.6 part of accelerant BZ, 1-2 parts of stearic acid, 2-4 parts of zinc oxide, 0.2-0.4 part of ferrocene, 1-2 parts of polyethylene wax, 1-2 parts of antioxidant DSTP, 1-2 parts of anti-aging agent NBC, 2-3 parts of gamma-methacryloxypropyl trimethoxysilane and 16-18 parts of triethyl citrate. The rubber disclosed by the invention has excellent ozone resistance, excellent low temperature resistance and heat resistance and is large in operating temperature range and environment-friendly in process, so that the rubber can be used for preparing various packing materials.

A process for synthesizing dual-wall carbon nanotubes uses n-hexane as carbon source, ferrocene as catalyst procursor, the mixture of argon gas and hydrogen gas as carrier, and sulfur instead of thiophene as additive. Said dual-wall carbon nanotubes are synthesized in horizontal resistance furnace by gas-phase chemical deposition method with higher flow of said gas mixture of argon and hydrogen. Its advantages are simple process and high stability.

The invention discloses a capacitor film with low density polyethylene as substrate and a preparation method thereof. The capacitor film comprises the following raw materials by weight: 50-55 parts of LDPE (low density polyethylene), 20-25 parts of LLDPE (linear low density polyethylene), 10-15 parts of homo-polymer, 3-5 parts of epoxy linseed oil, 2-3 parts of polyvinyl alcohol, 1-2 parts of aluminum hydroxide, 1-2 parts of polyisobutylene, 8-12 parts of diatomite, 1-2 parts of ferrocene, 0.8-1.2 parts of poly-4-methyl-1-pentene, 5-10 parts of calcium carbonate, 2-4 parts of hydrotalcite, 1.3-1.8 parts of zinc dialkyl dithiophosphate, 0.4-0.6 part of phthalic acid ester, 0.4-0.7 part of smoke sheet rubber, 1-3 parts of zinc stearate and 0.9-1.3 parts of modified wood ash. The invention mainly adopts low density polyethylene assisted with linear low density polyethylene; and various accessories and additives are subjected to mixing and extrusion, blown film sizing and cutting to prepare the capacitor film. The preparation method is simple; and diatomite, hydrotalcite and modified wood ash are added into the raw materials at the same time to enhance barrier property and air tightness of the film; besides, the capacitor film has characteristics of good pressure resistance, impact resistance, high heat sealing strength, and good heat sealing performance.

The invention relates to a catalyst which uses the phosphor-phosphamide as ligand, which is the phosphor-phosphamide ligand metallic complex of chiral ferrocenyl bone, wherein, the metal is rhodium, ruthenium, iridium, platinum or palladium; and the mol rate between the ligand and the metal precursor is 1.1:1-2.2:1. The ligand is compounded from chiral ferrocenyl to intermediate compound via several reaction steps, to be processed condensation with phosphite ester chloridate to attain the phosphor-phosphamide ligand with different chiral centers. Said ligand has new structure, stable property, simple compounding method, and wider application to the catalyst, which has higher catalysis activity (TON reaches 10000) and higher spatial selectivity (ee reaches more than 99%) in catalyzing asymmetry hydrogenization of itaconic acid, etc.

The invention discloses packing leather cup rubber for hydraulic mount. The packing leather cup rubber is prepared from the following raw materials in parts by weight: 30-40 parts of nitrile rubber, 20-30 parts of isoprene rubber, 20-40 parts of ethylene propylene terpolymer 5962 (LANXESS Deutschland), 10-15 parts of fluorosilicone rubber, 3-5 parts of natural rubber, 20-30 parts of high abrasion furnace black N330, 10-15 parts of modified white carbon black, 3-4 parts of antimony trioxide, 8-10 parts of modified wood ash, 4-6 parts of attapulgite, 4-6 parts of meerschaum, 9-11 parts of modified iron tailing slag powder, 0.5-1 part of stearic acid, 0.5-1 part of vulcanizing agent TMT, 0.2-0.4 part of accelerant DM, 0.3-0.6 part of accelerant BZ, 1-2 parts of calcium stearate, 2-4 parts of zinc oxide, 0.2-0.4 part of ferrocene, 1-2 parts of polyethylene wax, 1-2 parts of triphenyl phosphite, 1-2 parts of anti-aging agent RD, 2-3 parts of vinyl-tris(beta-methoxyethoxy)silane and 16-18 parts of butyl epoxy oleate. The rubber disclosed by the invention has excellent ozone resistance, excellent low temperature resistance and heat resistance and is large in operating temperature range and environment-friendly in process, so that the rubber can be used for preparing various packing materials.

The invention discloses a capacitor film with biaxially oriented polypropylene as a base body and a preparation method thereof. The capacitor film comprises the raw materials in parts by weight: 68-72 parts of biaxially oriented polypropylene, 23-28 parts of LDPE (low-density polyethylene), 10-15 parts of homo-polypropylene, 3-5 parts of epoxy linseed oil, 2-3 parts of polyving akohol, 1-2 parts of aluminium hydroxide, 1-2 parts of polyisobutene, 8-12 parts of diatomite, 1-2 parts of ferrocene, 0.7-0.9 part of poly-4-methyl-1-amylene, 10-12 parts of K-feldspar powder, 1-3 parts of nanosilicon dioxide, 0.9-1.1 parts of 2,6-di tert butyl phenol-alpha-dimethylamino phenol, 1-3 parts of calcium stearate, 1.4-1.6 parts of phenyltriethoxysilane, and 1.7-2.3 parts of modified tree ash. The biaxially oriented polypropylene serving as a primary material, low-density polyethylene serving as an auxiliary material and a plurality of auxiliary materials are mixed, extruded and subjected to film blowing, shaping and cutting to prepare the capacitor film. The capacitor film is simple in preparation method; and the diatomite, the K-feldspar powder, the nanosilicon dioxide and the modified tree ash are added to the materials at the same time. Therefore, the barrier property and the gas tightness of the film are increased; and the capacitor film has good resistance to pressure and shock resistance, and has the characteristics of high heat sealing strength and good heat sealing property at the same time.

This invention provides a new procedure for attaching molecules to semiconductor surfaces, in particular silicon. The molecules, which include, but are not limited to porphyrins and ferrocenes, have been previously shown to be attractive candidates for molecular-based information storage. The new attachment procedure is simple, can be completed in short times, requires minimal amounts of material, is compatible with diverse molecular functional groups, and in some instances affords unprecedented attachment motifs. These features greatly enhance the integration of the molecular materials into the processing steps that are needed to create hybrid molecular / semiconductor information storage devices.

The invention discloses a low-smoke flame-retardant PVC (polyvinyl chloride) cable material which comprises the following components in parts by mass: 100 parts of PVC, 2-80 parts of a plasticizer, 0.3-15 parts of a heat stabilizer, 0.25-25 parts of a lubricant, 4-60 parts of a flame retardant, 0.5-60 parts of a toughener, 1-5 parts of dicyclopentadienyl iron, 0.5-1.5 parts of magnesia, 0.5-1.5 parts of copper oxalate and 10-20 parts of pottery clay. The oxygen index of the product is up to 55% which is greatly improved compared with the oxygen index (41%) of a product which is obtained in the prior art, the flame-retardant effect is more excellent, and the maximum smoke density is 280; the dielectric strength is up to 30KV / mm which is higher than the dielectric strength (27KV / mm) of the existing product; the tensile strength is 20MPa, the elongation at break is 330-350%, and the brittle temperature is -50 DEG C; the volume resistivity at 20 DEG C is 4*10<14> Ohms.cm, and the volume resistivity at 0 DEG C is 2*10<13> Ohms.cm; and the product is excellent in flame-retardant effect, less in smoke generation, resistant to ultraviolet aging and good in insulation effect and tenacity, does not generate molten drops, can be produced in a large scale, and can be used for replacing the existing material continuously.