86 results about "Carbon black" patented technology

The invention provides a rubber composite used for rubber framework oil seal and a preparation method thereof. The rubber composite contains(based on weight portions) 100 portions of fluorubber26, 5-6 portions of acid absorber magnesia, 5-6 portions of calcium hydroxide, 9-1 portions of strengthening agent black carbon, 19-20 portions of barium sulphate, 17-19 portions of iron oxide red, 2-3 portions of process additive, 1.5-2 portions of curing ingredient bisphenol AF, and 0.6-0.8 portions of accelerant BPP. The rubber composite improves the tension strength, extensibility, tear resistance, self-lubricating effect, compressive deformation resistance and thermal aging resistance of the rubber framework, makes the rubber framework good in medium resistance and prolongs the service life of the rubber framework oil seal. Meanwhile, the method is simple in process, reasonable in mixture ratio and reduces preparation cost and defective index.

The invention discloses an antistatic polyfluortetraethylene film and a preparation method thereof, the method comprises the steps of: at first, utilizing 100 parts of polyfluortetraethylene powders and 1-20 parts of an antistatic agent to be admixed in a high-speed agitator, wherein, such an antistatic agent is a composite antistatic agent consisting of acetylene carbon black, graphite, metal conductive powders and the like; then preparing an antistatic polyfluortetraethylene film by means of mixing raw materials, prepressing and performing, sintering at high temperature, film forming by turning, trimming, winding and the like. The antistatic polyfluortetraethylene film prepared according to the invention has a permanent antistatic effect and can sufficiently dissipate the charges accumulated on the surface thereof owing to friction, the added antistatic agent powders can also cooperate and reinforce therewith to a certain extent, thus overcoming the characteristics of inferior abrasive resistance and low hardness, and improving the mechanical performance of the polyfluortetraethylene.

A water-based ink for inkjet printing, including (A) an aqueous dispersion A of vinyl polymer particles prepared by including an oil-soluble black dye or carbon black in a water-insoluble vinyl polymer prepared by copolymerizing a salt-forming group-containing monomer (a), a monomer (b) represented by the formula (I):wherein R<1 >is hydrogen atom or a lower alkyl group; R<2 >is a divalent hydrocarbon group which may have a hetero-atom; R<3 >is a monovalent hydrocarbon group which may have a hetero-atom; p is a number of 1 to 60, a macromer (c), a monomer (d) copolymerizable with these monomers; and (B) an aqueous dispersion B of carbon black having the same ionicity as the aqueous dispersion A, wherein the weight ratio of the solid content of the aqueous dispersion A to the solid content of the aqueous dispersion B (the solid content of the aqueous dispersion A/the solid content of the aqueous dispersion B) is 5/95 to 95/5.

The present invention discloses negative electrode for zinc nickel secondary batteries and the fabrication methods. These negative electrodes contain hydrophobic porous conductive granules such as carbon black granules with a hydrophobic material adsorbed. The fabrication methods for these negative electrodes include the following steps: adding a hydrophobic material to conductive porous granules such as granules in an aqueous solution; stirring said aqueous solution with said conductive porous granules and said hydrophobic material; fabricating the active material with said aqueous solution with said conductive porous granules and said hydrophobic material; and forming said negative electrode with said active material. Batteries with negative electrodes that are embodiments of this invention or are fabricated by the method of this invention are efficient in the recombination of oxygen at the electrodes during charging have low internal pressure, and are not subjected to electrolyte leakage.

The invention discloses color concrete. The color concrete comprises 420-480 parts of cement, 650-800 parts of sand, 980-1,150 parts of cobblestones, 150-180 parts of limestone powder, 100-150 parts of white carbon black, 165-175 parts of water, 30-45 parts of a pigment, 2.0-3.5 parts of acrylic acid emulsion powder and 4.5-6.2 parts of an admixture. A preparation method comprises the following steps: (1) the raw materials are weighed in a predetermined ratio; (2), the pigment, the white carbon black and the acrylic acid emulsion powder are placed into water and stirred uniformly, and color water is formed; (3) the sand, the cobblestones and the limestone powder are fed to a stirrer for stirring, then the cement is fed, stirring continues, the color water and the admixture well weighed in the step (1) are added to the stirrer jointly and slowly during stirring, and the materials are stirred continuously after addition until uniform stirring is realized. The color concrete is higher in strength, is not prone to cracking and is uniform in color, and the preparation method has the advantages of simple production process and convenience in construction.

Thermal transfer ribbons that contain mixtures of carbon black and/or other non-melting solids within the thermal transfer layer provide high density images and reduced melt viscosities for the thermal transfer layer where the mixtures contain at least three different sized particles or mixtures of particles and each of the different sized particles comprise 20 to less than 80 volume % of the total volume of the overall particle mixture. Each of the different sized particles also have particle size values which differ from each by a factor of at least 1.5.

The invention relates to a composite underwater sound transmission rubber material and a preparation method thereof. A component A is prepared through steps of plasticating natural rubber, then adding into an internal mixer for mixing, adding metallic oxide, inorganic filler, active agent and accelerator for mixing, and discharging sheets by an open mill and testing; a component B is prepared through steps of plasticating chloroprene rubber, then adding into the internal mixer for mixing, then sequentially adding stearic acid, antiager, carbon black, inorganic filler and softener for mixing, adding sulphur for mixing, discharging sheets and cooling down; the composite underwater sound transmission rubber material is prepared through steps of mixing the component A and component B according to proportion of 1:1, packaging into triangle, thinning, discharging sheets, sampling for sulfuration test, and sulfurizing at relatively low temperature. The acoustic impedence of the material and acoustic characteristic impedence of water are well matched, the sound attenuation coefficient of sound wave transmitting in sizing material is low, the material has good hydrolytic resistance and silicone oil resistance; the material can be stored for long time, is safe to operate, has high underwater sound transmission performance, and can be sulfurized at low temperature so that the contradiction between low temperature sulfurization and normal temperature storage is relieved.

The invention belongs to the chemical technical filed, relating to production formula of an anti-aging rubber belt, which is composed of neoprene adhesive, natural adhesive, sulfur, vulcanizing agent DTDM, zinc oxide, antioxidant 4010Na, antioxidant ODA, stearic acid, paraffin, high wear-resistance carbon black, accelerator DM, accelerator Na-22 and engine oil. The preparation method is that the materials are face smelted in a face smelting machine. Then certain weight of the face smelted rubber compound is put into a vulcanizer to be vulcanized. The product is obtained after the vulcanization. The product has the advantages of low cost, anti-aging, long service life and no blooming on the surface.

The invention provides a composite passivator for reducing the heavy metal content of a pig manure organic fertilizer and application of the composite passivator, and belongs to the field of organic fertilizers. The composite passivator for reducing the heavy metal content of the pig manure organic fertilizer comprises the following components by weight: 50-70 parts of thiourea modified peanut shell charcoal, 30-50 parts of a heavy metal passivating fungicide, 20-30 parts of crab shell powder, 10-20 parts of fulvic acid, and 3-5 parts of nanometer carbon black; every 100 mg of an auxiliary material of the heavy metal passivating fungicide contains 2.25*10<7> to 2.5*10<8> CFU of rhodotorula mucilaginosa strain OP11; and the preservation number of the rhodotorula mucilaginosa strain OP11 isCGMCC No.13540. The invention also discloses the application of the composite passivator to reducing the heavy metal content of the pig manure organic fertilizer.

The invention discloses a high-specific-energy flexible integrated electrode and a preparation method therefor. The electrode is prepared from the following components based on mass percentage: 20-80% of graphene, 0-10% of conductive carbon black, and 10-80% of sulfur-containing material, wherein the content of the conductive carbon black is not zero; the graphene and the conductive carbon black form a flexible graphene/conductive carbon black self-supporting thin film; and the sulfur-containing material is elementary sulfur or -S<m->-structured polysulfide, wherein m is greater than 2. By virtue of the high-specific-energy flexible integrated electrode prepared by the invention, the utilization rate of sulfur in the electrode is improved; in addition, the high-specific-energy flexible integrated electrode is high in conductivity and mechanical performance, capable of effectively relieving volume expansion of an active material in the charge-discharge process, and capable of improving the cycle performance and high specific energy characteristic of a battery.

The invention relates to seam allowance abrasion resisting glue containing short fiber and a preparation method thereof. The seam allowance abrasion resisting glue containing the short fiber is characterized by comprising the first step of primary mother mixing, wherein natural rubber, butadiene rubber, carbon black N375 nylon short fiber, an anti-aging agent 4020, zinc oxide, stearic acid and aromatic hydrocarbon oil are sequentially added into an internal mixer to be subjected to banburying, and primary mother glue is obtained; the second step of secondary mother mixing, wherein the primary mother glue is added into the internal mixer to be subjected to banburying, and secondary mother glue is obtained; the third step of final mixing, wherein the secondary mother glue, insoluble sulfur and accelerant DZ are added into the internal mixer to be subjected to final mixing, and the seam allowance abrasion resisting glue is obtained. The seam allowance abrasion resisting glue containing the short fiber and the preparation method are suitable for full-steel radial tire seam allowance glue protection parts, a traditional mixing technology is adopted to a formula for mixing, the nylon short fiber is subjected to phenolic resin latex immersion treatment, and the adhesive strength of the nylon short fiber with rubber is improved.

The invention discloses a weather-resistant impact-resistant waterproof plugging material with stable quality. The material comprises the following raw materials by weight: 1-2 parts of a water reducing agent, 15-25 parts of polyvinyl alcohol, 10-20 parts of a tackifying promoter, 30-40 parts of a polyurethane prepolymer, 20-30 parts of a magnesium acrylate emulsion, 10-16 parts of ore filling, 3-5 parts of white carbon black, 2-4 parts of a nanometer additive, 5-9 parts of dispersible adhesive powder, 3-7 parts of a weather-resistant aid, 10-14 parts of reinforced fibers and 10-12 parts of water. The waterproof material provided by the invention has the characteristics of stable performance, resistance to cold and heat impact, aging resistance, no cracking, no deformation and superior waterproof performance and impermeability; the material has excellent impact fatigue resistance in outdoor usage and can effectively resist high-frequency repeated impact by heavy rain and hail; the raw materials of the material are safe, reliable, friendly to environment, easily available and cheap; the preparation method for the material is simple; so the material provided by the invention has high practical value and good application prospects.

Compositions comprising a thermoplastic elastomer, e.g., a polyurethane, a nitrogen and/or phosphorus-based, intumescent flame retardant, e.g., a polyphosphate, a non-phosphorus-based burn synergist, e.g., carbon black or a metal oxide, and an optional olefin polymer, EVA are provided. Color-stable, halogen-free, flame retardant compositions comprising a thermoplastic elastomer polymer, a phosphorus-based flame retardant, at least 3 weight percent TiO2 and a UV stabilizer are also provided.

The invention discloses a preparation method of a heat-conducting, electricity-conducting and electromagnetic-shielding multifunctional composite material, and belongs to the field of preparation methods of multifunctional composite materials. According to the preparation method of the heat-conducting, electricity-conducting and electromagnetic-shielding multifunctional composite material, nanometer ferrite, graphene, copper powder, carbon black, nanometer silicon carbide and a high polymer material are added in a formula. By means of the preparation method of the heat-conducting, electricity-conducting and electromagnetic-shielding multifunctional composite material, the electromagnetic-shielding effect of the composite material can be improved, and the tensile strength, the compressive strength and other material performance of the composite material can be improved.

A method used for manufacturing an asbestos-free or non-asbestos latex copying-board comprises the following steps: firstly, dispersing a non-asbestos fibre into water, adding a filler thereto, adding carbon black, latex curing agents and antioxidant thereto in turn after a pulp beating process, and then mixing them uniformly to obtain a raw material; then, carrying the raw material mixed uniformly to a paper machine headnet approach flow system (passing through a fan pump and a pressure screen and arriving at a head box), wherein trivalent metal compounds can be added at any working procedure before the head box; finally, processing forming, drying and calendering at a paper machine to produce an asbestos-free latex copying-board. In accordance with the present invention, by adding trivalent metal compounds before the head box of a paper machine, the net part drainage property of paper machine is remarkably improved, then a raw material is capable of being dehydrated and forming excellently at the net part to continuously produce asbestos-free or non-asbestos latex copying-boards.

The invention discloses oil-resistant cold-resistant rubber. The oil-resistant cold-resistant rubber consists of the following components in parts by weight: 30 parts of silicone rubber, 45 parts of epichlorohydrin rubber, 25 parts of nitrile rubber, 50 parts of carbon black, 15 parts of white carbon black, 3.8 parts of plasticizer DOP (dioctyl phthalate), 1.2 parts of anti-ageing agent 4010NA, 1.2 parts of anti-ageing agent RD, 4.5 parts of zinc oxide, 1.2 parts of sulfur, 1.5 parts of accelerant CZ, 2 parts of stearic acid, 18 parts of calcium carbonate and 2.7 parts of coumarone. The oil-resistant cold-resistant rubber disclosed by the invention selects the silicone rubber, the nitrile rubber and the epichlorohydrin rubber as main body raw rubbers, the three rubbers are combined for use, advantages of various rubbers are retained, and defects of the three rubbers are overcome, so that the prepared rubber has excellent cold resistance and oil resistance, smaller compression permanent deformation and good mechanical performance.

The invention discloses a rubber tube and a preparation method thereof, belonging to the technical field of paints. The rubber tube is prepared from the following raw materials in parts by weight: 60-70 parts of epichlorohydrin rubber, 15-20 parts of fast-extruding carbon black, 1-2 parts of 2,2,4-trimethyl-1,2-dihydroquinoline polymer, 2-4 parts of N,N'-diphenyl-p-phenylenediamine, 3-5 parts of titanium white, 5-8 parts of antimony trioxide, 4-5 parts of decabromodiphenylethane, 5-10 parts of calcium hydroxide, 0.5-1 part of stearic acid, 8-12 parts of talcum powder, 8-12 parts of silicon dioxide and 1-5 parts of magnesium oxide. Compared with the rubber tube in the prior art, the rubber tube disclosed in the invention has the advantages of favorable high temperature resistance, favorable low temperature resistance, favorable wear resistance, favorable aging resistance and the like, and is environment-friendly.

The invention provides a method for preparing a lithium-ion battery anode material through iron-containing solid waste from electroflocculation printing-dyeing wastewater; the method comprises: filtering printing-dyeing wastewater, adding electrolyte sodium sulfate, electrolyzing through a metal iron electrode under the voltage of 0.5-10 V, settling by flocculating until the color of the solution fades, centrifuging, collecting solid precipitate, drying, and grinding into solid powder; mixing the solid powder with carbon black and polyvinylidene fluoride, adding N-methylpyrrolidone, grinding well to obtain slurry, applying the slurry to a copper plate, and drying to obtain the lithium-ion battery anode material. The method according to the invention is simple, has good performance, and has promising marketing application prospect; the concept of waste recycling, energy conservation and emission reduction, and environmental friendliness is embodied, and the requirement for social development is met.

The invention discloses a white carbon black based blue-green algae inhibitor and a preparation method and application thereof. The blue-green algae inhibitor is prepared by mixing a white carbon black crystal substance and a p-hydroxybenzoic acid water solution, wherein the white carbon black crystal substance is obtained by mixing white carbon black and water and performing ultrasonic dispersion and vacuum filtration, the inhibitor forms a compound component based on certain processing and reasonable proportioning of the white carbon black and p-hydroxybenzoic acid, no side effect is produced in the algae removing process, the operating process is simple and easy, an algae removing effect is good, and the required time is short.

The invention provides mining graphene, carbon black and polystyrene composite particles, comprising, by weight, 100 parts of high-density polyethylene, 0.1-2 parts of graphene, 1-10 parts of carbon black, 4-15 parts of a flame retardant, 0.5-3 parts of a dispersion, 0.5-4 parts of a nucleating agent, 2-10 parts of a toughener, and 0.5-4 parts of an antioxidant. The invention also provides a preparation method and application of the mining graphene, carbon black and polystyrene composite particles. The graphene/polystyrene prepared herein may reach 25 MPa in tensile strength and 402% in elongation at break; the mechanical properties may fully meet Tensile Property Measurement for Thermoplastic Plastic Pipes GB/T8804-2003 in the coal mine industry standard MT558.1-2005, to be specific, tensile strength of >/=9 Mpa and elongation at break of >/=300%.

The invention discloses tire inner liner rubber and a preparation method thereof. The inner tire liner rubber comprises 70-90 parts of brominated butyl rubber, 10-15 parts of natural rubber, 5-10 parts of silane-terminated polyether resin, 50-70 parts of carbon black, 3-6 parts of diatomite, 2-4 parts of calcium oxide, 2-4 parts of zinc borate, 1-3 parts of stearic acid, 3-6 parts of naphthenic oil, 3-6 parts of aromatic hydrocarbon oil, 2-5 parts of anti-aging agent, 1-2 parts of accelerant and 0.2-0.8 part of insoluble sulfur, wherein the main chain of the silane-terminated polyether resin is polypropylene oxide, and dimethoxy methyl silane or trimethoxy silane are used for terminating; the natural rubber is SMR20 or SMR10; the accelerant is accelerant DM or accelerant DPG; the anti-aging agent is anti-aging 4020, anti-aging agent RD or anti-aging agent 3100. The tire inner liner rubber and the preparation method thereof have the advantages that the silane-terminated polyether resin is added into the tire inner liner rubber; by the preparation method, the problem that the carbon black and small materials are uneven in dispersion can be solved, the service life of the tire inner liner rubber is prolonged, and the safety performance of the tire inner liner rubber is increased.

The invention discloses a high-temperature-resistant and corrosion-resistant waterproof board for tunnels and a production process of the high-temperature-resistant and corrosion-resistant waterproof board, and relates to the technical field of waterproof materials. The high-temperature-resistant and corrosion-resistant waterproof board adopts high-density polyethylene (HDPE) as main raw materials, adopts polypropylene random copolymer (PPR) and carbon black containing antioxidant as auxiliary materials, and is of a combined structure with an upper layer and a lower layer, the upper layer adopts the HDPE, the PPR and the carbon black containing the antioxidant, the lower layer adopts the HDPE, the PPR and the carbon black, and the waterproof board is manufactured through processes of parallel material-mixing extrusion, double-flow flat die co-extrusion and three-roller press polish in an attaching mode. The corrosion-resistant performance, the high-temperature-resistant performance and the ageing-resistant performance of the waterproof board are effectively improved, and therefore the waterproof board is suitable for the environment of the tunnels with high ground temperature. The waterproof board is of the combined structure with the upper layer and the lower layer, when the waterproof board is laid on site, the upper layer is tightly attached to hole walls and the lower layer faces outwards, and therefore convenience is brought to construction of the tunnels and other waterproof underground engineering.