51 results about "Zinc dibutyldithiocarbamate" patented technology

The invention relates to a petroleum-engine oil composition and application thereof, and mainly aims to solve the problem of poor wear resistance of petroleum and engine oil existing in the prior art. The problem is well solved by adopting the technical scheme that the petroleum-engine oil composition comprises the following components in parts by weight: (a) 1-20 pars of a detergent, a dispersant or a mixture thereof, (b) 0.5-15 parts of an anti-oxygen wear-resistant agent, (c) 1-20 parts of a viscosity index modifier, (d) 0.01-5 parts of a pour point depressant, (e) 0.001-3 parts of an anti-foaming agent, and (f) 60-95 parts of base oil, wherein the anti-oxygen wear-resistant agent is selected from at least one of 2,6-di-tert-butyl-4-methylphenol, 2,6-di-tert-butyl mixed phenol, alkylated arylamine, zinc butyl octyl dithiophosphate, base zinc salt of dioctyl thiophosphate, di(octadecyl)-3,3-thiodipropionate, zinc(II)dibutyl dithiocarbamate, thiadiazole, molybdenum dithiocarbamate or molybdenum dialkyldithiophosphat. The petroleum-engine oil composition can be applied to industrial production of the petroleum-engine oil composition.

The invention relates to a formula of an environment-friendly flame retardant hose, which comprises the following compositions and weight portions: 100 portions of ethylene propylene diene rubber, 20 portions to 40 portions of fast extruded carbon black, 40 portions to 60 portions of calcined clay, 120 portions to 160 portions of aluminium hydroxide, 5 portions to 10 portions of zinc borate, 10 portions to 20 portions of antimony trioxide, 0.5 portion to 0.8 portion of thiuram tetrasulfide, 1.5 portions to 2.0 portions of zinc dibutyl dithiocarbamate, 0.5 portion to 0.8 portion of tetramethyl thiuram disulfide, 3 portions to 5 portions of zinc oxide, 1 portion to 3 portions of stearic acid, 1 portion to 3 portions of polyethylene glycol, 1.5 portions to 2.0 portions of morpholine disulfide, 0.3 portion to 0.6 portion of sulfur and 20 portions to 40 portions of paraffin oil. Compared with the traditional product, the invention has the tensile strength of physical and mechanical property of 14MPa, which is higher than the traditional formula by 1.5 times. The invention can obtain FV-0 grade of vertical burn of national standard of flame resistance, namely the requirements of nonflammable material, can achieve the same flame resistant effect with the traditional method and meet the requirements of environment protection and safety of the hose of the modern automobile.

The invention relates to a color rubber and plastic heat-insulating material and a preparation method thereof. The rubber and plastic heat-insulating material is prepared from polrvinyl chloride paste resin, dinitrosopentamethylene tetraamine, an antiager, styrene rubber, protective wax, an antioxidant, chlorosulfonated polyethylene rubber, diphenyl guanidine, mercaptobenzothiazole, zinc dibutyl dithiocarbamate, zinc diethydithiocarbamate and the like. The performance and the color difference of the product are stabilized by adding a coloring material to perform banburying on the finished rubber again and combining a new vulcanizing foaming technology and a super-long water-cooling system; the prepared color rubber and plastic heat-insulating material does not have fibers and dust, prevents dew formation, has a smooth surface and high cleanliness, has the same bright color as equipment, is environmentally-friendly and non-toxic, reduces secondary construction, saves cost, greatly improves the using performance of the product, prolongs the service life and takes full advantage of the product performance.

The invention provides a strong repairing agent for automobile, which can repair the abraded engine cylinder surface quickly and recover the air-tightness and comprises the following components by weight percentage: 60-70% of base oil, 3-5% of thickening agent, 15-25% of antioxidant and corrosion inhibitor, 2-3% of cleaning agent, 1-3% of dispersant, 1-3% of SAP surfactant, 1-3% of zinc dibutyl dithiocaarbamate and 1% of gear oil complexing agent. The strong repairing agent has the beneficial effects of quickly repairing the abraded engine cylinder surface, recovering the air-tightness of the cylinder, obviously improving the power of the engine and quickly eliminating the failures such as blue smoke of the combustion of engine oil, and the like; and simultaneously, the strong repairing agent also has the advantages of obvious oil-saving effect, inhibiting the generation of carbon distribution and oil sludge, protecting the parts from being corroded, reducing friction resistance, reinforcing lubrication performance, reducing noise and prolonging the service life of engine.

The invention relates to a one-dimensional heterogeneous nano material of manganese sulfide and zinc sulfide, and belongs to the technical field of nano material preparation. The one-dimensional heterogeneous nano material of manganese sulfide and zinc sulfide is dried to be gray powder, the powder particles are in a cotton swab rod shape, namely, the head of a cotton swab is silver sulfide nano particles, a rod part is composed of segmented zinc sulfide and manganese sulfide, and the material serves as a luminescent material to be applied to photoelectric devices, or serves as a magnetic material to be applied to magnetic devices, serves as an electrode material to be applied to an electrochemical energy storage device. The specific preparation method comprises the following steps: adding a silver sulfide nanoparticle catalyst, zinc dibutyl dithiocarbamate or manganese dibutyl dithiocarbamate into a mixed solvent, and uniformly conducting stirring; conducting heating and heat preserving under inert gas protection or a vacuum condition, adding manganese dibutyl dithiocarbamate or zinc dibutyl dithiocarbamate, uniformly conducting stirring, and under inert gas protection or a vacuum condition, conducting heating, heat preserving and cooling to obtain the material.

The invention discloses a latex foaming thermal insulation material, which comprises a basic component and a foaming component, wherein the basis component comprises low protein natural latex, sulphur, zinc dibutyl dithiocarbamate (BZ), and zinc oxide, and the foaming component comprises low protein natural latex, a foaming agent, sulphur, zinc dibutyl dithiocarbamate (BZ), and zinc oxide. The foaming component is subjected to a foaming process and then mixed with the basic component to obtain the thermal insulation material, thus ensuring that the foamed latex has a good thermal insulation effect and a better decompression effect. The thermal insulation material has a good decompression effect during thermal insulation, and can be suitable for using in environments in which thermal insulation is needed and hard objects needed to be contacted.

The invention discloses an environment-friendly oil-resistant rubber sealing piece and a preparation process thereof. The sealing piece is prepared from the following raw materials: natural rubber, nitrile rubber, silicon rubber, butylene succinate, p-t-octylphenol formaldehyde resin, calcium stearate, L-lysine diisocyanate, crylic acid-acrylonitrile copolymer, ethylene-octylene-alkadiene terpolymer, spraying carbon black, copper ammonia fibers, ethylene glycol salicylate, tea-seed oil acid, tetrachlorophthalic acid dioctyl phthalate, tri-n-butyl citrate, an aluminate coupling agent, dicumyl peroxide, 2,4-DCBP, zinc dibutyl dithiocarbamate, zinc oxide, N-octyl N-octadecyl sulfo-amino MoDDC and butyl acetate. The rubber sealing piece provided by the invention is high in oil resistance and comprehensive mechanical property, green and environment-friendly, and is very suitable for being used as the rubber sealing piece widely applied to various fields.

The invention provides an anti-aging sealing rubber strip for building doors and windows and a preparation method thereof, and relates to the field of sealing materials. The anti-aging sealing rubberstrip comprises the following raw materials in parts by weight: 40-60 parts of p-phenylene silicone rubber, 30-40 parts of tin coupling type solution polymerized styrene-butadiene rubber, 30-40 partsof natural rubber, 1-3 parts of zinc methacrylate, 4-8 parts of liquid polyisoprene rubber, 1-1.8 parts of dioctyl sebacate, 10-20 parts of 774 carbon black, 10-20 parts of 550 carbon black, 2- 5 parts of nanometer magnesium hydroxide, 10-15 parts of asphalt-based chopped carbon fibers, 5-10 parts of polyvinylidene chloride, 1-3 parts of microcrystalline wax, 1-3 parts of stearic acid, 0.1-1.2 parts of maleic anhydride grafted ethylene propylene diene monomer, 1-1.5 parts of sulfur, 0.2-0.6 part of dicumyl peroxide, 0.5-1.5 parts of zinc dibutyl dithiocarbamate, 1-2 parts of accelerant, 1-5 parts of reinforcing component and 1.5-2.2 parts of anti-aging agent. The sealing rubber strip has excellent mechanical properties, and the related properties of the sealing rubber strip are slightly changed through a 100 DEG C and 300 h thermo-oxidative aging test and the sealing rubber strip has excellent thermal oxidation resistance and long service life.

The invention discloses a butyl rubber modified SIS hot-melt pressure-sensitive adhesive, including the following raw materials by weight: 50 portions of styrene-isoprene-styrene block copolymer SIS, 50 portions of butyl rubber, 50 portions of C5 petroleum resin, 50 portions of terpene resin, 30 portions of naphthenic oil and 3 portions ofzinc dibutyl dithiocarbamate. The butyl rubber modified SIS hot-melt pressure-sensitive adhesive provided by the invention does not contain organic solvent, is non-toxic, harmless and pollution-free, and has the advantages of higher cohesive strength than a solvent-type pressure sensitive adhesive, fast curing, wide bonding plane, simpleness to manufacture, convenience to use, and a wide range of usage.

The invention discloses an environment-friendly low-smoke flame-retardant rubber composition and a preparation method thereof, and the rubber composition comprises the following raw materials: 30-50 parts of natural rubber, 40-50 parts of butadiene styrene rubber, 1-6 parts of a flame retardant, 2-7 parts of a vulcanizing agent, 1-9 parts of an accelerant, 1-5 parts of an anti-aging agent, 2-7 parts of a stabilizer and 4-6 parts of a flexibilizer. The flame retardant is prepared by mixing magnesium hydroxide, tributyl phosphate and tricresyl phosphate according to a ratio of (1-7): (2-6): (1-5), and the vulcanizing agent is prepared by mixing sulfur powder, dicumyl peroxide and dicumyl peroxide according to a ratio of (4-8): (1-5): (6-12). The accelerant is prepared by mixing tetramethyl thiuram disulfide, tetramethyl thiuram monosulfide and zinc dibutyldithiocarbamate according to the ratio of (2-6): (1-8): (1-6), carbon black ash added in a traditional rubber composition is removed, and then the flexibilizer is used for reinforcement, so smoke generated in the combustion process of rubber can be greatly reduced, and the service life of the rubber composition is prolonged. Meanwhile, the flame retardant is added, so that the flame retardant property of the rubber composition can be greatly improved.

The invention discloses modified nanometer LDHs low-smoke zero-halogen flame-retardation EPDM (ethylene propylene diene monomer) rubber and a preparation method thereof. The preparation method comprises successively performing raw rubber mixing, addition and mixing, rubber compound forming, sulfuration and obtaining of a finished product. The modified nanometer LDHs low-smoke zero-halogen flame-retardation EPDM rubber is low in smoke, free of halogen, resistant to flame, and good in mechanical properties and electrical performances, and comprises the following compositions in parts by mass: 100 parts of EPDM rubber and a maleic-acid-grafted EPDM rubber copolymer elastomer, or EPDM rubber and an ethylene-octene copolymer elastomer, 40-70 parts of nanometer LDHs complexing agent, 30-60 parts of a coupling agent, 5-15 parts of microcapsule red phosphorus,30-50 parts of 50nm carbon black,3-6 parts of zinc oxide,30-50 parts of paraffin oil,2-5 parts of stearic acid,1-3 parts of sulphur,0.5-2 parts of 2-mercaptobenzothiazyl disulfide,0.5-2 parts of (dibutyldithiocarbamato)zinc(II), and 0.5-3 parts of tetramethylthiuram disulfide.

The invention relates to the technical field of rubber, in particular to EPDM flame-retardant rubber. The EPDM flame-retardant rubber is prepared from 35.1 parts by weight of ethylene-propylene-diene monomer rubber, 52.6 parts of an efficient composite flame retardant, 2 parts of carbon black, 4.8 parts of paraffin oil, 1.8 parts of zinc oxide, 0.55 part of stearic acid, 0.55 part of an internal release agent, 0.55 part of sulfur, 0.73 part of tetramethylthiuram disulfide, 0.18 part of zinc dibutyldithiocarbamate, and 1.14 part of a composite accelerant. According to the invention, a halogen-containing flame retardant does not need to be added.

The invention discloses a graphene-ZDBC composite pre-dispersed rubber master batch which includes, by weight, 40-48% of graphene, 25-35% of zinc dibutyldithiocarbamate, 3-7% of a coupling agent, 1-3% of saturated fatty acid, 1-3% of fatty acid alcohol ester, 1-3% of triethanolamine, 1-3% of zinc stearate, 6-14% of a rubber substrate, and 6-16% of paraffin oil, the sum of weight percentages of the components is 100%. The rubber master batch contains two active components, graphene and zinc dibutyldithiocarbamate (ZDBC), and has synergistic acceleration effect. When being used for producing vulcanized rubber in subsequent steps, the rubber master batch can promote vulcanization of rubber and improve tensile strength, tear strength, wear resistance and aging resistance of rubber. The graphene-ZDBC composite pre-dispersed rubber master batch has low Mooney viscosity and maintains the original activities of the graphene and ZDBC, so that the graphene and ZDBC are uniformly dispersed in the rubber master batch.