37 results about "Hexachlorocyclopentadiene" patented technology

The invention relates to a high-temperature resistant polyphosphazene microsphere and a preparation method thereof and belongs to the organic micro-nanometer filed. The method comprises the following steps: performing reaction among hexachlorocyclopentadiene, phloroglucinol and triethylamine in an ultrasonic water bath environment to obtain a product; and washing the product, thereby obtaining the high-temperature resistant polyphosphazene microsphere. The high-temperature resistant polyphosphazene microsphere has a chemical structural formula shown in the specification. According to the microsphere and the method provided by the invention, the defects of the existing polymer microsphere preparation method and the existing polymer performance are overcome. Therefore, the polymer microsphere with better performance is synthetized by utilizing a simpler method.

The invention discloses a bromine-free flame-retardant nylon which comprises the following raw materials by weight percent: 40-85% of nylon, 12-25% of bis (hexachlorocyclopentadiene) cyclooctane, 3-10% of synergist, 0-35% of enhancer and 0-1% of antioxidant. The bromine-free flame-retardant nylon which is prepared from the specific raw materials has excellent flame retardance and good electrical properties. Because the flame-retardant synergist can be one or more of the zinc oxide, the diantimony trioxide, the zinc borate and the ferric oxide, the complete dependence on the diantimony trioxide is avoided. The problems that high flame retardance and low cost of the existing fire-retardant nylon are difficult to meet at the same time are solved.

The invention discloses flame-retardant and anti-rusting anti-adhesion epoxy paint which is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of E-51 epoxy resin, 12-17 parts of fluorosilicone resin, 8-12 parts of polybutadiene epoxy resin, 3-5 parts of vinyl triamine, 2-3 parts of urotropine, 0.4-0.8 part of bis(P,P-bis-ethylhexyl diphosphato)ethanediolato titanate, 12-15 parts of modified asphalt, 2-4 parts of asbestos, 1-2 parts of sodium silicate, 3-6 parts of modified waste clay sand, 3-4 parts of hexachlorocyclopentadiene, 1-3 parts of p-nitrobenzoic acid, 3-4 parts of single methyl phosphinic acid calcium, 0.5-1.0 part of phenethyl naphthol polyoxyethylene ether, 2-4 parts of nano calcium carbonate, 5-7 parts of diethylene glycol, 7-9 parts of xylene and 9-13 parts of acetic ether. The fluorosilicone resin added into the paint disclosed by the invention is excellent in temperature resistance, adhesion prevention, chemical resistance, antifouling property and rain corrosion resistance; the mutual synergistic effects of pentaerythritol phosphate, single methyl phosphinic acid calcium and hexachlorocyclopentadiene added into the paint are brought into play, so that the flame retardancy of the paint is improved; as the waste clay sand is modified and added into the paint, both the cost of the paint is lowered, the weather resistance and corrosion resistance of the paint are improved, and the environment pollution is also alleviated.

The invention discloses a flame-retardant two-component polychloroprene copolymer cement-based waterproof coating and a preparation method thereof. The coating is prepared from a liquid material A and a powdery material B in a mass ratio of 1: (1-1.5). The liquid material A is prepared from polychloroprene latex, hexachlorocyclopentadiene, dibromotoluene glycidol ether, tributoxyethyl phosphate, sodium dioctyl sulfosuccinate, beta-cyclodextrin, etc.; and the powdery material B is prepared from composite Portland cement, perlite tailings, aluminum phosphate, hydrated magnesium silicate micropowder, sillimanite, yellow phosphorus slag, etc. The two-component EVA copolymer cement-based waterproof coating prepared in the invention has high-efficiency flame retardation effect and an oxygen index of 35% or above; and the two-component EVA copolymer cement-based waterproof coating has the advantages of high mechanical strength, good weatherability, good corrosion resistance, high binding power, excellent impermeability, etc., and is extensively applicable to waterproof exterior walls of high-rise buildings, waterproof roofs, waterproof basements and anticorrosive pools.

The invention provides a strong wear-resistance rubber sealing material for a detector as well as a preparation method of the strong wear-resistance rubber sealing material, and relates to the technical field of detector production. The rubber sealing material is prepared from the following raw materials in parts by weight: 40 to 50 parts of ethylene propylene diene monomer, 15 to 20 parts of isoprene rubber, 10 to 15 parts of acrylic ester rubber, 6 to 10 parts of tripolybutenone sulfide, 1 to 2 parts of neopentyl glycol dioleate sulfide, 0.8 to 1.2 parts of coupling agent, 5 to 7 parts of dibenzyl disulfide, 2 to 4 parts of sulfide terpene, 4 to 6 parts of hexachlorocyclopentadiene, 6 to 8 parts of potassium triborate, 2 to 4 parts of nickelous-nickelic oxide, 4 to 6 parts of calcium fluoride, 2 to 3 parts of silicon carbon fiber, 2 to 4 parts of vulcanizing agent and 2 to 4 parts of dispersing agent. According to the strong wear-resistance rubber sealing material for the detector aswell as the preparation method thereof, the defects in the prior art are overcome; the wear resistance and the cracking resistance of the rubber sealing material can be effectively improved; influence on the normal use of the detector caused by the fact that the rubber sealing material is worn, even is cracked under the action of an external force is avoided; and the rubber sealing material has excellent overall performance and high wear resistance and is suitable for popularizing.

The invention discloses a high-temperature resistant and highly flame-retardant polyimide film and a preparation method thereof, which is prepared from the following raw materials in parts by weight: o-phenylenediamine 50-55, pyromellitic anhydride 105-115, N, N-dimethylacetamide 25-30, furfural resin 28-34, nano-silicon nitride 8-14, colemanite 5-10, tris(2-chloropropyl) phosphate 13-17, dioxygen trioxide Antimony 6‑9, Hexachlorocyclopentadiene 10‑15, Aluminum Hypophosphite 7‑11, Melamine Formaldehyde Resin 12‑18, N‑Phenylmaleimide 3‑6, Dimethylbiphenyl Diisocyanate 2 ‑5, ammonium chloride 1‑2, p-hydroxybenzenesulfonic acid 1‑2. Inorganic raw materials such as colemanite added in the present invention cooperate with organic raw materials such as furfural resin to act as heat-resistant modifiers in polyimide films, which can improve the high temperature resistance, chemical resistance and impact resistance of materials The added inorganic raw materials such as aluminum hypophosphite and organic raw materials such as hexachlorocyclopentadiene cooperate with each other, and are used as flame retardant modifiers in polyimide films, so that the prepared materials have high flame retardancy and Self-extinguishing.

The invention relates to an injection molding machine joint lubricating oil, which is prepared from the following raw materials by weight: 85-95 parts of mineral base oil, 15-25 parts of nonylphenol polyoxyethylene ether, and 3-5 parts of hexachlorocyclopentadiene 3-5 parts of ethanedithiol, 5-10 parts of propolis extract, 5-10 parts of seaweed extract, 10-15 parts of graphene, 5-10 parts of modified zircon powder, 1-1 methyl carbamate 3 parts and 2-4 parts of benzimidazole. The lubricating oil of the present invention has good anti-wear properties, corrosion resistance, thermal stability, anti-foaming properties, good sealing adaptability, high cleanliness, and can meet the requirements of the hydraulic system of the injection molding machine for lubricating oil. The lubricating oil itself has strong adhesion so that the oil is not easily lost quickly. The preparation method of the invention is simple, convenient for industrial production and low in cost.

The invention discloses a preparation method of chlorendic anhydride. The chlorendic anhydride is prepared through a reaction of maleic anhydride and hexachlorocyclopentadiene. According to the invention, maleic anhydride is added into hexachlorocyclopentadiene, wherein a molecular ratio of maleic anhydride to hexachlorocyclopentadiene is (1-1.05):(1-1.05). A diluting agent should be added before or during the reaction. The reaction temperature is 150-180 DEG C, and a reaction time is 2-5h. According to the invention, maleic anhydride is added into hexachlorocyclopentadiene, and a reaction is carried for 2-5h under a temperature of 150-180 DEG C, such that high-quality chlorendic anhydride is successfully produced, and a yield reaches 96%. The chlorendic anhydride can be directly used in polyester production. The method has the advantages such as easy-to-obtain raw materials, short reaction time, simple operation, low investment, and high yield.

The invention relates to the field of fire fighting, in particular to a composition for a flame-retardant floating cover, a flame-retardant floating cover material and a preparation method of the flame-retardant floating cover material. The composition for the flame-retardant floating cover contains polyamide and a flame retardant, the flame retardant comprises a first component and a second component, the first component is selected from expanded graphite, and the second component is selected from at least one of bis (hexachlorocyclopentadiene) cyclooctane, decabromodiphenyl ethane, brominated polystyrene, antimony trioxide, aluminum hydroxide and magnesium hydroxide; the weight ratio of the first component to the second component is 1: (0.1-5). The composition for the flame-retardant floating cover can play a role in reducing the volatilization rate of the liquid level of an oil product, the composition is thrown in when a fire accident occurs, the flame intensity can be reduced, and the purpose of rapidly extinguishing fire is achieved.

The invention discloses a method for preparing high-quality DRCP, which is characterized in that hexachlorocyclopentadiene and cyclooctadiene are insulated and react for 3-10h in a solvent under 140-180 DEG C, wherein the molar ratio of hexachlorocyclopentadiene to cyclooctadiene is 2.0-2.5:1; the solvent is single and is alkane or halohydrocarbon; and the mass of the solvent is 30-60% of the total mass of hexachlorocyclopentadiene and cyclooctadiene. The method is simple and practicable and easy for industrialization, and the single solvent is convenient for recycling the subsequent solvent,thus reducing the load of subsequent processing. The high-quality DRCP obtained by the method of the invention has chromaticity being more than 98 and yield up to 98.5%.

The invention relates to an injection molding machine lubricating oil, which is prepared from the following raw materials by weight: 85-95 parts of mineral base oil, 15-25 parts of nonylphenol polyoxyethylene ether, and 3-5 parts of hexachlorocyclopentadiene , 3-5 parts of ethanedithiol, 5-10 parts of alkylated diphenylamine, 10-15 parts of graphene, 5-10 parts of modified zircon powder, 1-3 parts of methyl carbamate and 2 parts of benzimidazole -4 parts. The lubricating oil of the present invention has good anti-wear properties, corrosion resistance, thermal stability, anti-foaming properties, good sealing adaptability, high cleanliness, and can meet the requirements of the hydraulic system of the injection molding machine for lubricating oil. The lubricating oil itself has strong adhesion so that the oil is not easily lost quickly. The preparation method of the invention is simple, convenient for industrial production and low in cost.