399 results about "Decanedioic acid" patented technology

Elastomers are formed from castor oil and/or ricinoleic acid estolides and a polyester formed from an epoxidized vegetable oil such as ESO and a polycarboxylic acid such as sebacic acid, optionally in the presence of a peroxide initiator, or include crosslinked reaction products derived from ricinoleic acid or castor oil estolides, epoxy group-containing compounds such as epoxy resins and/or epoxidized vegetable oil, epoxy hardeners such as polyamine and polycarboxylic acid hardeners, thermally activated free radical initiators such as peroxides, and optionally but preferably include fillers such as limestone or wood flour. The elastomers can be prepared using a two-step, solvent-less procedure at elevated or ambient temperatures. These predominantly "all-natural" elastomers have physical properties comparable to conventional petroleum-based elastomers and composites and exhibit good flexibility, resiliency, abrasion resistance and inertness to hydrolysis. The resulting elastomers display good mechanical strength and resiliency, are resistant to abrasion and hydrolysis, and can be processed into sheet materials, which makes them attractive as floor covering components.

The method for treating waste water containing phenol which is produced in the course of producing sebacic acid includes five steps: regulation, filtration, extraction, removing phenol and isolating oil. After the phenol-containing waste water is filtered and its insoluble material is removed, in first extraction zone the high carbon alcohol is used as extraction agent to remove the organic material from waste water and effectively reduce content of phenol, the load extraction agent is fed into distillation procedure, the distilled high carbon alcohol can be reextracted and can be circularly used, and the organic material being in the waste water can be recovered in the form of high-boiling material, and the second extraction zone the mixture of phosphate and kerosene is used as extraction agent to make counter-current extraction with the phenol-containing waster water.

Cosmetic or dermatological preparations are comprised of from 0.01 to 5% by weight of a dicarboxylic acid selected from the group consisting of 8-hexadecene-1,16-dicarboxylic acid decanedioic acid nonanedioic acid and combinations thereof and from 0.01 to 5% by weight of ascorbic acid, salts of ascorbic acid, ascorbic acid derivatives and combinations thereof. These preparations provide skin-lightening and/or hair-lightening preparations which inhibit melanin biosynthesis and do not damage hair and/or skin.

The invention discloses a formula of environmental friendly type long-term automobile coolant and a process for preparation, the formulation contains glycol, desalting water, decanedioic acid, sodium benzoate, sodium molybdate, borax, polybenzotriazole, sodium metasilicate, sodium hydroxide, metasilicate, stabilizing agent, defoaming agent and coloring agent, catalyst cases A, B and C are adopted to mix and react under normal temperature and normal pressure, the pH value of the coolant which is generated is controlled within 8-9, the automobile coolant of the invention has the efficiencies of anti-freeze, anti-boiling, anti-corrosion, anti-fouling and can diffuse heat fast, the cooling effect is good, the necessary raw materials can be easily bought on the market, the coolant has non hazardous substances such as sodium nitrite and the like, lowers the harm to environment and human bodies, generates non gelatin during storing periods, can not dilute any inhibitor, and has long-term performance, the manufacturing process of the product is simple, the using equipment is less, the operation is easy, the demanding energy consumption is low, the producing cost is low, the coolant is easy for industrial-scale production and has high promotion and application value and good market prospects.

A detergent for stainless steel contains proportionally nitric acid, hydrochloric acid, ammonium persulfate, water-soluble chloride, catalyst, corrosion inhibitor (the composition of triethanolamide decanedionate, tween and sodium tripolyphosphate), and water.

The invention discloses an ultra-high-pressure steel wire winding composite hose, which comprises an inner rubber pipe, a framework layer, a middle rubber layer and an outer rubber layer, wherein the framework layer is arranged outside the inner rubber pipe, the middle rubber layer and the framework layer are made into a whole, the outer rubber layer is arranged outside the middle rubber layer, inner rubber of the inner rubber pipe is prepared from the following ingredients including nitrile rubber, high styrene rubber, solution polymerized styrene-butadiene rubber, sulphur S, vulcanizing agents DTDM, vulcanization accelerators CZ, accelerators D, nanometer zinc oxides, stearic acid, scorch retarders CTP, flowing exhaust agents SC617, integral anti-aging agents 4020, anti-aging agents BLE, microcrystalline wax, carbon black, nanometer silicon dioxide, bonding agents RC, bonding agents RC-23, tackifying resin SP1068, dioctyl sebacate and polyolefin, and the middle rubber layer and the outer rubber layer are respectively made of different materials. The rubber pipe belongs to the ultra-high-pressure steel wire winding composite hose capable of bearing the pressure as high as 50 to 300 Mpa, and belongs to an ultra-high-pressure hydraulic rubber pipe meeting the requirements of engineering machinery and oil drilling.

It has been discovered that solid, particulate dicarboxylic acids are useful as diverting agents in methods for acidizing subterranean formations to improve the uniformity of the acid treatments (acid displacement) by diverting acid to intervals of relatively less permeability. Particularly suitable solid, particulate dicarboxylic acids include, but are not necessarily limited to, those insoluble in both aqueous and hydrocarbon liquids, but which are soluble in mutual solvents or alcohol blends. These acids may have melting points of from about 180 to about 300° F. (about 82 to about 149° C.), formula molecular weights of from 146 to 400, and mesh sizes of from about 20 mesh to about 400 mesh (about 841 to about 38 microns). Particular dicarboxylic acids that fit this description include, but are not necessarily limited to, dodecanedioic acid, undecanedioic acid, decanedioic acid, azelaic acid, suberic acid, and mixtures thereof.

The invention provides an antifreezing cooling liquid which comprises glycol, water, decanedioic acid, sodium silicate and a foam killer; wherein, the cooling liquid also contains cinnamic acid and mannite. The invention also provides a preparation method of the antifreezing cooling liquid; wherein, the method includes the step of uniformly mixing the glycol, the water, the decanedioic acid, the sodium silicate and the foam killer. The storage stability of the antifreezing cooling liquid provided by the invention is better; besides, the antifreezing cooling liquid provided by the invention extensively improves the restraining effect to aluminum corrosion.

The invention discloses an irradiation resistant non-halogen low smoke flame-retardant sheathing material applied to nuclear power stations and a preparation method. The raw materials comprises ethane-vinyl acetate rubber, maleic anhydride stem grafting ethane-vinyl acetate rubber, magnesium hydroxide fire retardant, organic silicon fire retardant, nano cerium oxide, FEF, zinc stearate, stearic acid, vinyl trisilane, Aflux A-16, Aflux A-25, polycarbonate diimine(PCD-50), 2, 2, 4-trimethyl-1, 2-dihydride quinoline, antiager DDA, di-tert-butyl peroxide cumene, triene propylcyanide uric acid ester and decanedioic acid dioctyl, which are heated and mixed to obtain the materials of the invention. The invention features scientific and reasonable formula and proportion, and the process is advanced. The sheathing material features fine irradiation resistance, excellent mechanical properties and long service life, thus being a good irradiation resistant non-halogen low smoke and flame-retardant sheathing material applied to nuclear power stations.

The invention relates to an anti-cancer sustained release injection containing epothilone derivative, consisting of sustained microspheres and menstruum. The sustained microspheres comprise anti-cancer drugs selected from taxane, alkylating agent and/or plant alkaloid and the like, the epothilone derivative and sustained release auxiliary material. The menstruum is a special menstruum containing suspending agent. The epothilone derivative is selected from epothilone B, epothilone D, iso-epothilone D, BMS-247550, azaepothilone B, furan epothilone D or BMS-310705. The sustained release auxiliary material is selected from poly-dl-lactide, the glycolic acid copolymer of the poly-dl-lactide, polyethyleneglycol, the polylactide copolymer of the polyethyleneglycol, carboxyl terminated polylactide copolymer, fatty acid and decanedioic acid copolymer, etc. The suspending agent is selected from carboxymethyl cellulose and the like with the viscosity of 100cp to 3000cp (under the temperature of 25 DEG C to 30 DEG C). The sustained release microsphere can also be made into a sustained release implant. The sustained release injection is injected or arranged in or around the tumour and can release drug at partial position for 40 days approximately, therefore, the sustained release injection improves the local drug concentration selectively and enhances the treatment effect of non-operative treatments, such as radiotherapy, chemotherapy and the like at the same time.

The invention relates to an anti-cancer sustained release injection containing epothilone derivative, consisting of sustained microspheres and menstruum. The sustained microspheres comprise anti-cancer drugs selected from taxane, alkylating agent and/or plant alkaloid and the like, the epothilone derivative and sustained release auxiliary material. The menstruum is a special menstruum containing suspending agent. The epothilone derivative is selected from epothilone B, epothilone D, iso-epothilone D, BMS-247550, azaepothilone B, furan epothilone D or BMS-310705. The sustained release auxiliary material is selected from poly-dl-lactide, the glycolic acid copolymer of the poly-dl-lactide, polyethyleneglycol, the polylactide copolymer of the polyethyleneglycol, carboxyl terminated polylactide copolymer, fatty acid and decanedioic acid copolymer, etc. The suspending agent is selected from carboxymethyl cellulose and the like with the viscosity of 100cp to 3000cp (under the temperature of 25 DEG C to 30 DEG C). The sustained release microsphere can also be made into a sustained release implant. The sustained release injection is injected or arranged in or around the tumour and can release drug at partial position for 40 days approximately, therefore, the sustained release injection improves the local drug concentration selectively and enhances the treatment effect of non-operative treatments, such as radiotherapy, chemotherapy and the like at the same time.

The invention discloses a 1,2-propanediol antifreezing cooling liquid which comprises the following components in percentage by mass: 0.5-3.0% of decanedioic acid, 0.25-1.5% of succinic acid, 0.1-0.9% of benzotriazole, 0.05-0.3% of hydroxypropyl methacrylate, 0.0004-0.005% of defoaming agent and the balance of 1,2-propanediol. The 1,2-propanediol antifreezing cooling liquid composite formula system disclosed by the invention has the characteristics of no water, persistent effect, environmental protection and durable corrosion resistance; the antifreezing agent is the non-toxic 1,2-propanediol capable of being naturally degraded; the formula technology mainly uses the organic acids; the 1,2-propanediol antifreezing cooling liquid can provide long-acting protection for the cooling system, and implement temperature rise of the antifreezing cooling liquid without pressurized conditions; and the 1,2-propanediol antifreezing cooling liquid can almost completely eliminate liner pitting corrosion, aluminum pump cavitation corrosion and other technical problems when being used in heavy-load engines, and can widely use automobiles, ships, large-size cooling towers, solar energy and the like as the heat-conducting media of the cooling system.

The invention provides a special fertilizer for single cropping rice. The special fertilizer is prepared by the following raw materials by weight: 10-20 parts of cottonseed meal, 8-10 parts of coated nitrogen-phosphorus-potassium mixed fertilizer, 25-40 parts of calcium superphosphate, 8-10 parts of coated potassium chloride, 20-30 parts of plant ash, 1-2 parts of ferrous sulfate, 1-2 parts of zinc sulfate, 0.1-0.3 parts of borax, 10-12 parts of medical stone, 5-7 parts of peat, 3-4 parts of celastrus orbiculatus powder, 3-4 parts of oleander powder, 10-15 parts of bagasse, 10-15 parts of dolomite, 18-22 parts of chicken manure, 3-4 parts of carboxymethylcellulose, 15-20 parts of 30% of sulfuric acid, 5-10 parts of lime, 10-15 parts of chicken feather and 4-6 parts of propanediol sebacate polyester. A preparation method of the single cropping rice comprises the steps as follows: carrying out acidolysis on hairs to obtain amino acid; generating an amino acid chelated micro or medium fertilizer solution; sintering the dolomite to prepare a fertilizer carrier; fermenting an organic fertilizer; mixing the nitrogen-phosphorus-potassium mixed fertilizer and the carrier with the organic fertilizer and a plant insecticide; spraying the amino acid chelated micro or medium fertilizer solution; granulating; and finally coating with the propanediol sebacate polyester. According to the special fertilizer, the utilization rate of fertilizer efficiency can be remarkably increased, the slow release effect is achieved, the fertilizing amount is reduced, and the pesticide residues are reduced, so that the yield and the quality of the rice are improved.

The invention provides a base material of a PTC (Positive Temperature Coefficient) thermistor, a PTC thermistor and a preparation method thereof. The base material of a PTC themistor comprise the following components in parts by weight: 100 parts of polyamide resin, 80-150 parts of conducting particles, 20-100 parts of inert filter, 0.5-3 parts of cross-linking agent, 0-1 part of nucleating agent, 0.5-5 parts of sensitizing agent, 0.5-3 parts of antioxidant, 0.5-2 parts of lubricant, 0-2 parts of coupling agent; wherein the polyamide resin can be one of or a mixture of several of polyamide11, polyamide12, polycaprolactam, polycaprylamide, polypelargonamide, polyhexamethylene sebacamide, polydecamethylene sebacamide and polyhexamethylene adipamide; the conducting particle is carbon black, graphite, metal particle or conductive ceramics; the sensitizing agent is a polyfunctional acrylic ester reactive monitor. The PTC thermistor disclosed by the invention is mainly applied to overcurrent protection of an electrical motor in the automobile field in a harsh environment condition, as also can be applied to other special fields with higher ambient temperature.

The invention relates to an ultraviolet-resistant three-proofing finishing agent and belongs to the technical field of textile auxiliaries. The ultraviolet-resistant three-proofing finishing agent comprises the following components in parts by weight: 12-16 parts of fluorocarbon emulsion, 8-12 parts of trifluoropropylmethylcyclotrisiloxane, 2-5 parts of a coupling agent, 1-3 parts of citric acid, 4-7 parts of 2-hydroxyl-4-methoxybenzophenone, 2-5 parts of bis-(2,2,6,6-tetramethyl-4-piperidyl)sebate, 3-5 parts of fat acid polyethenoxy ester and 120-150 parts of deionized water. The system of the ultraviolet-resistant three-proofing finishing agent provided by the invention is stable, and the ultraviolet-resistant three-proofing finishing agent not only has good water-proofing, oil-proofing and fouling-proofing functions, but also has a good ultraviolet-resisting function, and is easy to popularize and apply; a fabric finished by the ultraviolet-resistant three-proofing finishing agent touches better.

The invention provides a reusable method of decanedioic acid phenol-containing wastewater, which comprises the following steps: providing decanedioic acid mother liquid which is prepared by neutralizing and acidating and crystallizing a sebacate solution; carrying out solid-liquid separation to the mother liquid to obtain a decanedioic acid solid and first wastewater, reusing the first wastewater, for example, part of the first wastewater is recycled to be used in a neutralization step; neutralizing and extracting balance of the first wastewater, removing phenol, performing pervaporation and removing by-product which is sodium sulfate to obtain third wastewater that is recycled to be used in the neutralization step or as flushing water in a centrifugal filtration step or is biologically treated to obtain fourth wastewater satisfying the discharge standard; or laminating the decanedioic acid mother liquid to obtain lower layer dope (part A) which contains crystallized decanedioic acid and upper clear solution (part B); carrying out solid-liquid separation to the lower layer dope (part A) which contains crystallized decanedioic acid to obtain the decanedioic acid solid and the first wastewater; carrying out solid-liquid separation to the upper clear solution (part B) to obtain the decanedioic acid solid and second wastewater; and reusing the first wastewater and the second wastewater.

The invention discloses a high-performance modified carboxylated nitrile rubber material. The material comprises the following raw materials by weight: 90 to 130 parts of modified carboxylated nitrile rubber, 15 to 30 parts of natural rubber, 20 to 40 parts of carbon black N-774, 5 to 10 parts of carbon black N-990, 5 to 10 parts of antimony trioxide, 3 to 5 parts of zinc oxide, 1 to 3 parts of stearic acid, 1 to 3 parts of sulfur, 0.5 to 3 parts of tetrabenzylthiuramdisulfide, 1 to 3 parts of N-tert-butyl-2-benzothiazole sulfonamide, 2 to 6 parts of dioctyl sebacate and 4 to 8 parts of an auxiliary. The modified carboxylated nitrile rubber blending material provided by the invention has higher comprehensive mechanical property, and heat and ageing resistant properties, high-temperature and oil resistant properties and low-compression and permanent-deformation properties.

The invention discloses a polyamide resin, which is composed of the following repeated unit components: a component A which is 80-99mol/% of a 10T unit formed by decamethylene diamine and terephthalic acid; and a component B which is 1-20mol/% of a 1010 unit formed by decamethylene diamine and sebacic acid, wherein the sebacic acid is substituted by m-phthalic acid or other aliphatic dicarboxylic acid containing 2-14 carbon atoms. A polyamide composition containing the polyamide resin comprises the following components in percentage by weight: 30-99.9% of polyamide resin, 0-60% of reinforcing filler, 0-50% of flame retardant, and 0.1 to 10% of other auxiliary agents. The polyamide resin and the composition composed thereof disclosed by the invention have the advantages that with the water saturated absorptivity lower than 0.8wt%, and the resin and the composition can be applied to situations in which the requirement on water saturated absorptivity is high, such as being applied to an engine oil pipe; with the melting point higher than 260 DEG C, and strong heat resistance, and the resin and the compositions can be applied to situations in which the reflow soldering temperature exceeds 260 DEG C; with the breaking elongation of 14-45%, and the notch impact strength of 6.9-12.0kJ/m2 (23 DEG C), the resin and the composition have high tenacity and can be applied to situations in which the requirement on water saturated absorptivity is high, such as being applied to an engine oil pipe.

The invention relates to an energy-saving cooling fluid which takes glycol as a base material, and has the following components according to mass percentage: 92 to 95 of the glycol, 1 to 3 of deionized water, 0.5 to 1.5 of decanedioic acid, 0.6 to 2 of n-octanoic acid, 0.4 to 1.5 of potassium hydroxide, and 0.3 to 0.8 of methenamine. The cooling fluid has low freezing point, wide boiling spread, excellent heat conductivility at high temperature, and energy-saving efficiency, prevents frozen injury and occurrence of steam blocking layer when the engine works, improves the thermal equilibrium temperature when the engine works, with the fuel completely combusted, reduces tail gas discharge, and obviously promotes the power.

The invention provides a non-o-benzene-type medical flexible polyvinyl chloride plastic and a process for preparation, and the components and the parts by weight are that polyvinyl chloride resin 100 parts, plasticizing agent 10-90 parts, stabilizing agent 1-10 parts, auxiliary stabilizing agent 1-10 parts, lubricating agent 0.2-5.0 parts and anti-oxidant 0-2 parts. The plasticizing agent is one and several of adipic acid propanediol ester, adipic acid diglycol ester, decanedioic acid butanediol ester, decanedioic acid propanediol ester, or adipic acid butanediol ester. The invention solves the bad effect which is caused by the dissolving out of phthalandione (2- ethylhexyl acrylate). The invention has the advantages that the invention not only keeps rich source of PVC material, but also the invention is easy to be processed and modified, and the products which are modified have excellent bioavailability, and the invention is applied in one time use, which can avoid cross-infection and the like. And the invention lowers the effects to environment, which belongs to environment-friendly-type products, and the performance of the products meets the existing standard requirements.

The invention provides environment-friendly engine trying liquid. One liter of the environment-friendly engine trying liquid comprises 120 to 200g of ethylene glycol, 6 to 15g of polycarboxylate (TH-361), 0 to 2.5g of sodium cinnamate, 10 to 20g of p-hydroxybenzoic acid monosodium salt, 3 to 6g of sebacic acid, 0.5 to 1.5g of sodium phytate, 3.5 to 8.5g of sodium gluconate, 0.5 to 2g of H-benzotriazole, 0.2 to 1g of 2-mercaptobenzothiazole, 2 to 6g of sodium metasilicate, 0.5 to 1g of water soluble pigment, and the balance of deionized water. The environment-friendly engine trying liquid is used for trying an automobile engine before the automobile engine leaves a factory, testing the factory performance, and early-stage preliminary grinding-in; various metals of an automobile engine system have heat and cold alternating gas-liquid phase rust prevention capacity, and are high in recycling stability; and a product does not have nitrite, amine salt, phosphate and other substances, is non-toxic and innocent, does not pollute environment and can be used safely and is environment-friendly.

The invention discloses a preparation method of a hot-melt reaction type adhesive for a composite material, belonging to the field of adhesive preparation. The method comprises the following steps of: preparing polyester polyol: esterifying and poly-condensing dimethyl terephthalate, glycol, hexane diacid, decanedioic acid and 1,4-butanediol under a certain condition to obtain polyester polyol; and mixing the prepared polyester polyol and polyether glycol, heating and formulating the prepared polyester polyol and polyether glycol by using MDI (diphenyl-methane-diisocyanate), tackifying resin and organosilicon coupling agent in proportion to obtain the hot-melt reaction type adhesive. Through the structural design of polyester segmer and the introduction of a polyether glycol segmer unit, the produced adhesive has very high combined strength and wide technical applicability for various composite base materials; and various composite materials can be produced through the adhesive. The composite materials made of the adhesive have excellent weather-resistant performance and excellent outdoor applicability.

The invention discloses a polylactic acid-polyethylene glycol sebacate-polyethylene glycol succinate ternary block copolyester, the structural general formula of which is shown as the specification. Specifically, m is the polymerization degree of the polyethylene glycol sebacate structural unit, n is the polymerization degree of the polyethylene glycol succinate structural unit, p is the polymerization degree of the polylactic acid structural unit; and m, n, p are same or different, and are all positive integers greater than 5. In accordance with the GB/T 1040.2-2006 standard, the measured tensile strength is 20-40MPa, and the elongation at break is 100-300%. Based on the 100wt% of the copolyester, the weight percentage of the polylactic acid structural unit is 20%-60%, the weight percentage of the polyethylene glycol sebacate structural unit is 10%-40%, and the weight percentage of the polyethylene glycol succinate structural unit is 20%-50%. The copolyester is biodegradable, and also has good rigidity and toughness. The invention also discloses a preparation method of the polylactic acid ternary block copolyester.

A screw grease with high friction coeffieint for high-torque drill of petroleum of gas well is composite Li-base grease No.0 (38-48 wt.%) and solid powder (52-62 wt.%). Said Li-base grease is prepared from 12-hydroxystearic acid, decanedioic acid, boric acid, lithium hydroxide and basic oil. Said solid powder contains alpha-Al2O3, gamma-Al2O3, kaolinite, calcium, chromium oxide, flaky graphite, white mica and rare-earth fluoride.