34 results about "Di-sec-octyl phthalate" patented technology

The invention discloses a flame retardant mine cable sheath material. The flame retardant mine cable sheath material comprises the following raw materials in parts by weight: 32-47 parts of EVA (ethylene vinyl acetate) resin, 25-35 parts of crosslinked insulated polyethylene, 4-5.5 parts of DCP (di-sec-octyl Phthalate), 1.5-3.5 parts of DBP (dibutyl phthalate), 3-5 parts of zinc oxide, 2-3 parts of triallyl cyanurate, 1.7-2.3 parts of triallyl isocyanurate, 1.5-3 parts of HVA-2, 21-25 parts of channel black, 3-6 parts of aluminium hydroxide, 2-5 parts of magnesium hydroxide, 5-6 parts of boron carbide, 0.5-1.5 parts of triethanolamine, 15-30 parts of calcined pottery clay, 0.5-1.5 parts of anti-aging agent ODA and 1-2.5 parts of anti-aging agent 4010NA, wherein the content of vinyl acetate in the EVA resin is 21-30%. The flame retardant mine cable sheath material is resistant to high temperature, has excellent flame retardance, excellent warping and aging resistance effects and is long in service life.

A polyethylene bearing with high load-carrying performance belongs to the technical field of mechanical parts and is modified from ultra-high molecular weight polyethylene, nitrile rubber, self-lubricating agent, zinc oxide, stearic acid, cross-linking agent, antioxidant, and EVA. It is composed of permanent resin, 2-2-octyl phthalate, zinc oxide, foaming agent, lead stearate, carbon fiber and nano-graphite powder. The composition of the invention is novel. While maintaining the advantages of self-lubrication and wear resistance of ultra-high molecular weight polyethylene, the invention further improves its wear resistance by introducing a self-lubricating agent; by introducing rubber components, it improves its water lubrication While the friction performance has also improved the flexibility of the material, impact resistance, vibration damping; It is much smaller than that and is suitable for use as a water-lubricated bearing material.

The invention discloses an oil-resistant and high temperature-resistant high-pressure washer rubber material and a preparation method thereof. The oil-resistant and high temperature-resistant high-pressure washer rubber material is prepared from the following raw materials in parts by weight: 70 to 90 parts of nitrile rubber, 20 to 30 parts of chloroprene rubber, 18 to 22 parts of vinylidene fluoride / chlorotrifluor ethylene copolymer, 5 to 8 parts of epoxidized fatty acid methyl ester, 6 to 8 parts of dicapryl phthalate, 4 to 5 parts of anilmomethyl triethoxy silane, 12 to 16 parts of asphalt oil and the like. The oil-resistant and high temperature-resistant high-pressure washer rubber material has the advantages that by using the nitrile rubber, the chloroprene rubber and the vinylidene fluoride / chlorotrifluor ethylene copolymer as base materials, the good oil-resistant and high temperature-resistant properties are realized; the added dicapryl phthalate and epoxidized soybean oil form a complex plasticizer, and the complex plasticizer is compounded with the epoxidized fatty acid methyl ester, so that the high temperature-resistant property and processing property are improved, and the elasticity and flexibility of the rubber are improved; by adding raw materials of aluminum phosphite, sodium antimonate, basic magnesium chloride whiskers and the like, the flame-retardant property is good; by adding raw materials of silicon boride, precipitated white carbon black, white jade powder and the like, the oil-resistant property of a product is improved, and the abrasion-resistant property of the product is enhanced.

The invention discloses a bearing material with a low friction coefficient, and belongs to the technical field of mechanical materials, wherein the bearing material comprises the following raw materials by weight: 10-30% of ultra-high molecular weight polyethylene, 10-20% of carbon fibers, 10-20% of nitrile butadiene rubber, 1-2% of a plasticizer, 5-10% of a self-lubricating agent, 0.5-5% of zincoxide, 0.1-1% of stearic acid, 0.1-3% of a cross-linking agent, 0.2-3% of an antioxidant, 5-10% of a modified resin, 0.5-1% of di-sec-octyl phthalate, 1-2.5% of a foaming agent and 0.2-0.8% of a flameretardant. According to the invention, the components are novel, the advantages of self-lubrication and wear resistance of the ultra-high molecular weight polyethylene are maintained while the wear resistance is further improved by introducing the self-lubricating agent, the carbon fibers and other components, the heat resistance of the bearing is further improved by adding the flame retardant and the antioxidant so as to prolong the service life of the bearing, so that the high-requirement occasion of the bearing is further met.

The invention discloses a continuous esterification production method of di-sec-octyl phthalate. The method comprises the following steps: using phthalic anhydride and 2-octanol to perform an esterification reaction under the existence of catalyst and obtain raw ester, and post-processing raw ester to obtain the product di-sec-octyl phthalate, wherein the esterification reaction is a multistage esterification reaction that phthalic anhydride and 2-octanol perform a plurality of esterification continuously. The esterification reaction of the invention adopts the production method of continuous esterification, the esterification reaction is complete, the conversion rate is high, the acid value of the product is low and the purity is high; and the time of esterification is short, the energy consumption is low, the product quality is stable, and the quality and production efficiency of di-sec-octyl phthalate can be effectively increased.

The invention discloses an integrated novel double-sided PVC trough plate, which comprises the following raw materials by weight: 15-25 parts of modified polypropylene, 20-30 parts of polyvinyl chloride, 25-45 parts of fluorosilicone rubber, 10-18 parts of mica powder, 45-65 parts of halloysite, 25-45 parts of lignin, 15-25 parts of graphene nanosheet, 0.3-0.9 part of benzoyl peroxide, 1.5-2.5 parts of tert-butyl hydrogen phthalate, 1-1.4 parts of polyethylene oxide, 1.5-2.5 parts of peroxysuccinic acid, 2-3 parts of stearic acid, 2-4 parts of polyvinyl butyral, 0.5-1.5 parts of dicapryl phthalate, 1.6-2.2 parts of polyethylene wax, and 1-2 parts of a foaming agent. The integrated novel double-sided PVC trough plate provided by the invention has the advantages of good toughness, tear resistance, high hardness and good thermal stability.

The invention discloses an antioxidant and flame-retardant optical cable material, which is composed of the following raw materials in parts by weight: 1 to 2 parts of antioxidant 168, 1 to 2 parts of anhydrous calcium chloride, 0.6 to 1 part of maleic rosin, 4 to 7 parts of di-sec-octyl phthalate, 100 to 130 parts of polyvinyl chloride, 3 to 4 parts of polystyrene 20-2 sodium hypophosphite monohydrate, 2 to 3 parts of paraformaldehyde, 0.2 to 0.3 part of hydrochloric acid (35-37%), 4 to 6 parts of chlorinated spiro-phosphate, 5 to 7 parts of aluminum chloride hexahydrate, 0.3 to 1 part of polybenzimidazole, 0.2 to 0.4 part of zinc butyl tricaprylate, 1.7 to 2 parts of polyvinyl butyral, 0.1 to 0.2 part of triethylamine, and 0.5 to 1 part of diacetone acrylamide. The provided optical cable material can dilute the flame and reduce the temperature of combustion area; at the same time, phosphor and oxygen free radicals generated during the cracking process can capture free radicals that are generated by cracking polystyrene chain segments, thus the thermal stability of the optical cable material is improved, and the heat release value of the material is reduced.

The invention relates to elastic grouting water-stop glue. The invention relates to a polyurethane hot melt adhesive which comprises the following components in percentage by weight: 40%-41% of polyether polyol, 7.3%-7.7% of polyphenyl polymethylene polyisocyanate, 26%-28.5% of plasticizer, 23.5%-24.5% of filler, 0.2%-0.4% of pigment and 0.2%-0.6% of antioxidant. The plasticizer is prepared by mixing four of dioctyl phthalate, diisooctyl terephthalate, dinonyl phthalate, butyl benzyl phthalate, di-sec-octyl phthalate, fatty acid methyl ester, acetyl tributyl citrate, tributyl citrate and chlorinated paraffin; the plasticizer is prepared by mixing four of dioctyl phthalate, diisooctyl terephthalate, dinonyl phthalate, butyl benzyl phthalate, di-sec-octyl phthalate, fatty acid methyl ester, acetyl tributyl citrate, tributyl citrate and chlorinated paraffin; the antioxidant is formed by mixing one or two of octadecanol propionate, bis (stearoyl) thiodipropionate, bis (cinnamoyl) thiodipropionate and polysiloxane; the antioxidant is formed by mixing one or two of octadecanol propionate, bis (stearoyl) thiodipropionate, bis (cinnamoyl) thiodipropionate and polysiloxane; the filler is formed by mixing one or two of calcium carbonate, diatomite, talcum powder and carbon fiber; the pigment is formed by mixing one or two of carbon black and graphite.