105 results about "Di-n-octyl phthalate" patented technology

Disclosed is a functional type wallpaper material having the air purification function, belonging to the interior decoration material technique field, and containing the components, in weight percentage: 1.5 percent to 2.5 percent of titanium dioxide nano-sized powder, 1 percent to 2.5 percent of silicon dioxide nano-sized powder, 0.5 percent to 1.5 percent of zinc oxide powder, 2 percent to 3.5 percent of negative ion powder, 0.5 percent to 1.5 percent of inorganic antibacterial powder, 0.5 percent to 1 percent of iron trioxide, 4 percent to 6 percent of conductive powder, 2.5 percent to 5 percent of polyaniline, 25 percent to 31 percent of polyvinyl chloride, 5 percent to 5.5 percent of titanium pigment, 15 percent to 18.5 percent of di-n-octyl phthalate dioctyl phthalate, 12.5 percent to 18 percent of calcium carbonate, and 3 percent to 30 percent of auxiliary agent. The wallpaper prepared by the materials can remove formaldehyde and peculiar smell, and is antibacterial and mildew-proof, and can release negative ions and resist electromagnetic radiation, as well as greatly improving the indoor air quality for people and solving the indoor air pollution.

The invention discloses a method for detecting six phthalates in drinking water through liquid chromatography-mass spectrometry, and belongs to the technical field of drinking water detection. The method comprises the following steps: (1) additionally arranging a protection column; (2) measuring conditions and a mode; (3) establishing a standard working curve; (4) detecting to-be-detected drinking water. According to the detection method, a sample is not required to be pretreated and can be directly fed, so that the six phthalates (DMP (Dimethyl Phthalate), DEP (Diethyl Phthalate), DBP (Dibutyl Phthalate), BBP (Benzyl Butyl Phthalate), DEHP (Di 2-Ethyl Hexyl Phthalate) and DNOP (Di N Octyl Phthalate)) in the drinking water are qualitatively and quantitatively analyzed at high speed; the method has the advantages of easiness and convenience in operation, less sampling quantity, low cost, good reproducibility, high stability and the like, is not only suitable for daily environment monitoring and is also suitable for quick screening of pollutants in emergency accidents.

The invention provides an ablative heat-insulating coating and a preparation method thereof. The ablative heat-insulating coating comprises a base material, a filler and an auxiliary material based on weight percent. The base material is room temperature vulcanization block methyl silicone rubber and accounts for 68 to 73 weight percent; the filler comprises 13 to 14 weight percent of quartz powder and 8 to 15 weight percent of cork powder; and the auxiliary material is a plasticizer and an antioxidant and accounts for 4 to 5 weight percent. The auxiliary material is a mixture of the following components in percentage by weight: 0.3 to 0.5 percent of triphenylmethane, 0.3 to 0.5 percent of benzophenone, 0.4 to 0.6 percent of di-tert-butyl- p-cresol, 1.5 to 1.7 percent of dibutyl phthalate, and 1.5 to 1.7 percent of di-n-octyl ortho-phthalate. The quartz powder has the granularity of 200 meshes and has the purity of 99.8 percent; and the cork powder has the granularity of more than 80 meshes and has the moisture content of less than 10 percent. The ablative heat-insulating coating is coated on the surface of a device after being diluted by gasoline, and a layer of aluminum powder is sprayed on the outer surface of the coating. The ablative heat-insulating coating has the characteristics of low cost, convenient construction, good heat-insulating performance, strong adhesive force, and long service life.

The invention provides a carbon paste electrode. The carbon paste electrode comprises an electrode tube shell, a carbon paste filled in the electrode tube shell, and an electrode lead contacted with the carbon paste and led out from the electrode tube shell, wherein the carbon paste comprises graphite and a DNOP (di-n-octyl phthalate). The carbon paste electrode provided by the invention is low in residue current, simple in preparation method, non-toxic, easy to update the surface, low in price and wide in potential use range; the hydrogen overpotential is 200 mV higher than the carbon paste mixed by silicone oil and graphite powder and the reproducibility is good. The invention further provides a preparation method of the carbon paste electrode.

The invention belongs to the technical field of biological treatment of environmental organic pollutant and discloses a fungus for degrading phthalate ester and an application thereof in biological treatment of polluted soil and in environmental pollution remediation. The fungus for degrading phthalate ester is bundle pullulan (Isaria sp.) F3 with a preservation number of CCTCC No. M 2011299. The bundle pullulan (Isaria sp.) F3 has a total degrading rate of 52.7-66.2% in the mixed system of DMP (dimethyl phthalate), DEP (diethyl phthalate) and DOP (dinoctyl orthophthalate) within 7 days under a culturing condition; wherein the degrading rate of DMP is 61.5-78.4%, the degrading rate of DEP is 53.7-68.1%, and the degrading rate of DOP is 29.5-53.7%. The 300 mg/kg of PAEs in the sterilized soil is degraded to 69.0% within 30 days; the efficiency for soil phytoremediation polluted by DMP, DEP and DOP can be obviously improved. Compared to other strains, the fungus has efficient phthalate ester degradation capacity.

The invention provides a two-step separation-purification column and use thereof, relating to separation-purification column and the use of separating and purifying Reomol in food safety testing. The column is made by activated carbon particle filled column at the upper end and Rory silica filled column at the lower end. The two-step separation-purification column is used for separating and purifying Reomol. The invention combines the activated carbon particle column and Rory silica column to purify and enrich di-n-octyl phthalate (DNOP) and di-n-butyl phthalate (DBP), which can reduce the detection limit of the detection limit coarse extract. The detection limit of the DNOP and DBP in the membrane coarse extract is ten times that that purified and enriched by the activated carbon particle column and Rory silica column; the detection limit of the DNOP and DBP in the apple coarse extract is 8.3 times and ten times than that purified and enriched by the activated carbon particle column and Rory silica column. The invention is easy for detecting a large number of samples in large scale.

The invention discloses a preparation method of ethylene glycol gemini di-sec-octyl phthalate sodium sulfosuccinate. The preparation method of ethylene glycol gemini di-n-octyl phthalate sodium sulfosuccinate comprises the following steps: carrying out a mono-esterification reaction for combining maleic anhydride with two hydroxyls on ethylene glycol, so as to generate ethylene glycol di-maleic acid monoester, then carrying out a double-esterification reaction on ethylene glycol di-maleic acid monoester and sec-octyl alcohol to obtain ethylene glycol di-maleic anhydride di-sec-octyl phthalate, and finally carrying out a conjugate addition sulfonation reaction on ethylene glycol di-maleic anhydride di-sec-octyl phthalate and sodium hydrogen sulfite to obtain the ethylene glycol gemini di-sec-octyl phthalate sodium sulfosuccinate product, wherein a catalyst used in the mono-esterification reaction is carbon-based solid acid, and the carbon-based solid acid after the mono-esterification reaction is carried out is directly taken as a catalyst of the double-esterification reaction. The preparation method of ethylene glycol gemini di-sec-octyl phthalate sodium sulfosuccinate is simple, easy to operate and good in environmental protection property.

The invention relates to a silicone-acrylic low surface energy marine anti-fouling paint and the process for preparation, which relates to a marine anti-fouling paint. The invention provides a silicone-acrylic low surface energy marine anti-fouling paint with lower surface energy which can keep environmental protection property, economy and excellent dust-proof effect, can be permanently used, and utilizes a novel multi-component silicone-acrylic block polymer to be base material and the process for preparation. The silicone-acrylic low surface energy marine anti-fouling paint is remixed by base material, pigments, additives and paint solvent, wherein the base material is dimethyl silicone polymer-b-polymethyl methacryate-b-poly butyl methacrylate ternary silicone-acrylic block copolymer, and the additive is methyl silicone oil and di-n-octyl phthalate. Methyl silicone oil and di-n-octyl phthalate are mixed to get coating auxiliary A, dimethyl silicone polymer-b-polymethyl methacryate-b-poly butyl methacrylate ternary silicone-acrylic block copolymer and pigments are mixed to get a mixture B, the coating auxiliary A is added in the mixture B to get a mixture C, and the mixture C is dissolved in solvent solvent to get a mixture D, and products are got after stewing.

The invention discloses a preparation method for acrylonitrile-butadiene rubber and phenolic resin blended foamed sponge. According to the method, acrylonitrile-butadiene rubber with medium/high acrylonitrile content and linear phenolic resin are blended, and phenolic resin is used to modify acrylonitrile-butadiene rubber; semi-reinforcing carbon black N550 is employed for reinforcing the blended rubber, a plasticizer employs di-n-octyl phthalate and liquid coumarone resin, a curing agent of phenolic resin employs hexamethylene tetramine, a filling agent employs aluminium hydroxide and talcum powder, and thus cost is reduced and the flame resistance of the blended rubber is improved. A sulfuration system employs a sulfur sulfuration system, and a foaming agent employs azodicarbonamide (ADC). A sulfuration and foaming synchronous technology is employed for production.

The invention discloses a formula of modified polymethyl methacrylate. The formula includes polymethyl methacrylate and additives, wherein the additive include a flexibilizer, an anti-impact modifier, a filling agent, a plasticizer, and a nucleating agent, the flexibilizer is carboxylated nitrile rubber, the anti-impact modifier is polymethyl methacrylate-butadiene-styrene, the filling agent is kaolin, the plasticizer is di-n-octyl phthalate, and the nucleating agent is titanium oxide. The prepared modified polymethyl methacrylate has the effects of being good in mechanical property, large in mechanical strength, good in flexibility and the like.

The invention discloses a low-hardness polyurethane elastomer material which is prepared from the following materials in parts by weight: 1-3 parts of hydroxypropyl methyl cellulose, 2 parts of fatty alcohol-polyoxyethylene ether, 45 parts of diethylene glycol dibenzoate, 2 parts of trimethylolpropane, 180 parts of polyester polyol, 0.2 part of stannous octoate, 8 parts of triisopropanolamine, 7 parts of dibutyl phthalate, 31 parts of butyl benzyl phthalate, 18 parts of dipropylene glycol dibenzoate, 3 parts of glycerol, 68 parts of toluene diisocynate, 0.4 part of tin dibutyl dicaprylate, 11 parts of di-n-octyl phthalate, 5 parts of triethanolamine, 0.3 part of bismuth isocaprylate, 40 parts of filler, 0.1 part of bismuth carboxylate, 23 parts of dimethoxyethyl phthalate, 13 parts of diethyl phthalate, 7 parts of diethanol amine, 2 parts of an organic silicon de-foaming agent, 0.5 part of dibutyltin dilaurate and 4 parts of trimethylol ethane. The low-hardness polyurethane elastomer material disclosed by the invention has good mechanical performance, good solvent resistance and good cutting processing performance.

The invention discloses a flame-retardant polyvinyl chloride friction material. The flame-retardant polyvinyl chloride friction material is prepared from the following raw materials in parts by weight: 0.3-0.5 part of alkylphenol polyoxyethylene, 3-4 parts of dodecyl mercaptan, 0.7-1 part of alkanolamide, 5-6 parts of multi-walled carbon nanotube, 2-3 parts of ammonium polyphosphate, 5-7 parts of di-n-octyl phthalate, 1-2 parts of magnesium fluoride, 3-5 parts of polyvinylpyrrolidone, 140-170 parts of polyvinyl chloride, 6-8 parts of ethyl orthosilicate, 0.01-0.02 part of 1,3,5-trimethylbenzene, 37-40 parts of melamine, 50-60 parts of 37-40% formalin, 0.2-0.3 part of triethanolamine, 2-3 parts of dialkyl pentasulfide RC2540, 1-2 parts of potassium hexatitanate crystal whisker, 0.3-1 part of titanate coupling agent kt105, 1-2 parts of stearic acid, 0.1-0.2 part of stannous octoate and 1-2 parts of sodium carboxymethyl cellulose. The flame-retardant polyvinyl chloride friction material is high-temperature-resistant and friction-resistant, and has favorable comprehensive properties and high stability.

The invention discloses a stone-wood-plastic material which is prepared from heavy calcium carbonate powder, polyhexylene plastic, poplar powder, an adhesive, fatty acid amide, silica gel, a flame retardant, a smoke inhibitor, an aerosol generator, a titanate coupling agent, a PP-g-MAH (polypropylene graft maleic anhydride) compatilizer, a WINGSTAYL antioxidant, a JINHASS regulator, a reinforcer, polyaluminum ferric chloride, di-n-octyl phthalate, potassium stearate and styrene. The stone-wood-plastic material has the advantages of favorable flame-retardant effect, high impact resistance, high toughness and low water absorptivity, obtains excellent flame retardancy on the premise of keeping favorable mechanical properties of the stone-wood-plastic material, is a stone-wood-plastic material with favorable properties, can be widely used for decorating hotels, restaurants and buildings, and has obvious economic and social benefits.

The invention discloses a conductive antistatic light-aging-resistant cable material which is characterized by being prepared from the following raw materials in parts by weight: 13-15 parts of carbon nanotubes, 0.02-0.04 part of benzoyl peroxide, 12-14 parts of ethyl acrylate, 1-1.5 parts of a titanate coupling agent TC-101, 5-6 parts of melamine sodium phosphate, 68-70 parts of PVC resin, 2-4 parts of rosin, 10-12 parts of conductive carbon black, 1-2 parts of magnesium stearate, 8.5-10 parts of dioctyl phthalate, 1-2 parts of an ultraviolet light absorber 3030, and 7-9 parts of an auxiliary agent. With addition of the carbon nanotubes and conductive carbon black, the cable material has excellent electrical conductivity, thereby timely dredging revealed surface static electricity and avoiding potential safety hazard; with addition of the auxiliary agent, the lubricity and processing liquidity of the product are increased, and the glossiness of the product is improved; and with addition of the ultraviolet light absorber 3030, the anti-UV-light ability is increased, the light aging resistance is good, and the service life is prolonged.

The invention discloses a rubber sheath rubber matrix, relating to the technical field of sealing materials. The rubber sheath rubber matrix is prepared from the following raw materials in parts by weight: 30-40 parts of silicon rubber, 25-40 parts of epichlorohydrin rubber, 5-13 parts of stearic acid, 10-15 parts of paraffin oil, 1-6 parts of nano titanium dioxide, 3-12 parts of anti-aging agent, 1-10 parts of accelerator, 2-9 parts of di-n-octyl phthalate and 5-10 parts of carbon black. The rubber sheath rubber matrix uses the silicon rubber and epichlorohydrin rubber as the base raw materials and uses the stearic acid, paraffin oil, nano titanium dioxide, anti-aging agent and other assistants as the auxiliary materials; and the rubber sheath rubber matrix product has the advantages of low production cost, favorable elasticity, favorable aging resistance, favorable oil resistance, favorable bonding property and longer service life.

The invention discloses high-strength impact-resistance acrylate adhesive and a preparation method thereof. The high-strength impact-resistance acrylate adhesive is prepared from raw materials of methyl methacrylate, tetrahydrofuran metacrylic acid ester, polyoxytertramethylene glycol, diphenyl-methane-diisocyanate, cumene hydroperoxide, 2,6-di-tert-butyl-p-cresol, tetramethylthiourea, butadiene-acrylonitrile rubber, diethylaminoethanol, isophorone diamine, di-n-octyl phthalate, hydrogenated rosin resin, ethylene vinyl-acetate copolymer, lead sulfate tribasic, polyacrylic acid, nano-calcium titanate and the like. According to the high-strength impact-resistance acrylate adhesive and the preparation method thereof, provided by the invention, a flexibilizer, namely the butadiene-acrylonitrile rubber and chlorinated polyethylene are modified, so that the impact resistance and fatigue resistance of an adhesive layer are greatly strengthened, filler such as fumed silica is added so as to reduce the shrinking percentage of a curing process and improve impact-resistant toughness and other mechanical strength of the adhesive layer, and can form a hydrogen bond chain-bridged effect by being dispersed into the adhesive to generate a reversible three-dimensional network structure, so that the adhesive is endowed with the optimum flowing deformation effect.