59 results about "Tall oil" patented technology

The invention provides a CO2 tall oil-resistant imidazoline Mannich base corrosion inhibitor, a preparation method thereof and a composite corrosion inhibitor. The imidazoline Mannich base corrosion inhibitor with a hydrophilic group and a hydrophobic group is obtained by synthesizing an imidazoline ring from tall oil mixed fatty acid and organic polyamine and then condensing arone and trioxymethylene with a terminal amino group of a side chain of the imidazoline ring. According to the CO2-resistant imidazoline corrosion inhibitor, the CO2-resistant performance of the imidazoline Mannich base corrosion inhibitor in CO2 can be improved by utilizing the synergistic adsorption and isolation effects of imidazole rings with different alkyl structures and Mannich base groups in an acid medium. The imidazoline Mannich base is compounded with the surfactant O-20 and the solubilizer PEG20000, so that the corrosion inhibition performance of the corrosion inhibitor can be further improved. The product meets the environmental protection requirements of enterprises and is beneficial to industrial popularization and application.

The utility model discloses a multistage extraction tower for preparing tall oleic acid, which comprises an extraction tower shell, a driving motor is arranged on the bottom surface of the extraction tower shell, a bearing is fixedly embedded on the inner bottom wall of the extraction tower shell, the inner ring of the bearing is fixedly connected with a rotating rod, and the output end of the driving motor is connected with the rotating rod through the bearing. A plurality of groups of stirring rods are fixedly connected to the outer surface of the rotating rod, a flow baffle is fixedly connected to the interior of the extraction tower shell, and a plurality of flow guide openings are formed in the upper surface of the flow baffle. According to the device, the flow baffle is matched with the flow guide opening to limit the flow of liquid, the electric push rod is matched with the flow adjusting plate, and the electric push plate drives the flow adjusting plate to linearly move, so that the flow adjusting plate blocks the flow guide opening to control the flow of the liquid, the extraction rate is controlled, and the extraction efficiency is controlled. The function is single, and the extraction rate cannot be controlled to control the extraction efficiency.

The present invention is directed to tall oil rosin in solid, crystalline form. The tall oil rosin according to the present invention has a very low color, i.e. it is essentially color-less. The present invention is also directed to a process for producing the tall oil rosin and to the use of the tall oil rosin according to the present invention.

The present invention relates to a herbicide formulation based on pine oil. The present invention also relates to a method of reducing unwanted vegetation in a soil environment and a method for reducing seed viability using the herbicide formulation. The herbicide formulation comprises a pine oil, a tall oil, and an alkali. The formulation has improved herbicidal properties, and is less subject to coagulation at low ambient temperatures.

Non-asphaltic coatings for roofing materials, roofing materials made therefrom and methods of preparing such coatings and roofing materials utilize a combination of a crude tall oil-based continuous phase material, a resinous hardening agent, and a polymer.

Blends containing a homogeneous mixture of i) vegetable oil fatty acids from annual crop plants and ii) rosin acid are provided for use in metal cutting fluids and in other products employing tall oil derivatives. The blends may be combined with an emulsifying agent and water under high shear conditions to form metal cutting fluid emulsions, may be used as lubricity additives to improve the performance of non-emulsified metal cutting fluids, and may be used in other products including oilfield additives, detergents, soaps, surfactants, mining fluids, and resins.

The invention provides a preparation method of a multifunctional plant growth promoter, which comprises the following steps: S1, during use, preparing raw materials, mixing 0.5-5% by weight of oleamide and 0.1-0.5% by weight of erucyl amide, putting the mixture and 0.1-0.5% by weight of erucyl amide into a reaction kettle, and stirring; s2, after stirring, 0.4-2% by weight of tall oil is put into the reaction kettle to be stirred and continuously mixed; step S3, after mixing, adding 0.5 to 2.1 percent by weight of oleic acid; s4, adding a mixture of 1-5% by weight of lauryl sodium sulfate and 0.1-3% by weight of tridecanol polyether into the reaction kettle, and continuously stirring; s5, continuously adding a mixture of 0.3-1.5% by weight of sodium gluconate and 0.5-3% by weight of xylitol into the reaction kettle, and testing the temperature of the mixed liquid in the reaction kettle; s6, when the temperature of the liquid in the reaction kettle is reduced to 32-37 DEG C, testing the pH value in the reaction kettle; according to the invention, the absorption performance of plant cells can be improved, and crops can be assisted to quickly absorb sunlight, various nutritional ingredients, drug performance and water retention performance.

The present invention pertains to the agricultural field, and particularly to the use of tall oil fatty acids as a phytosanitary adjuvant, particularly for preventing spray drift. The present inventors have indeed shown that the introduction of tall oil fatty acids into phytosanitary compositions allows increasing droplet size distribution upon spraying and therefore reducing off-target spraying. The present invention therefore provides methods for generating droplets, treating plants and for preventing spray drift. The invention also relates to phytosanitary compositions comprising tall oil fatty acids.

The invention relates to the technical field of quenching oil, in particular to high-wettability quenching oil and a preparation method thereof. The high-wettability quenching oil comprises the following substances in parts by weight: 40-60 parts of trimethylolpropane; 8-15 parts of tall oil fatty acid; 0.8 to 1.5 parts of a catalyst; and 45 to 55 parts of xylene. The fatty acid methyl ester synthesized by adopting trimethylolpropane and tall oil fatty acid as raw materials has good fluidity and relatively low viscosity, and is beneficial to improving the heat exchange efficiency between metal and quenching oil, so that the cooling effect is improved. On the basis, the molecular structure of the prepared fatty acid methyl ester comprises a long-chain fatty acid part and a short-chain methanol part. The amphiphilic structure enables the fatty acid methyl ester to show good interfacial activity on a water and oil phase interface, so that the wetting ability of the fatty acid methyl ester to a metal surface is enhanced.

This invention relates to the field of tall oil production supervision and management technology, and discloses a tall oil production batch quality traceability management system based on big data. The system includes: a data acquisition module for acquiring time-series flow rate, material level, and temperature data from storage tanks; a batch weight calculation module for converting incoming batches into a mixed weight matrix based on flow rate and material level data, and determining the logical address segment of the flow stagnation zone based on material temperature to implement vector masking, dividing the matrix into suspended and iterative subsets; and a traceability map generation module for calculating the proportion weights and constructing an association model to generate a quality traceability map. This invention translates the physical mixing process into the flow law of data weights through a logical address management mechanism, solving the defect of ambiguous batch boundaries in continuous mixing conditions, and realizing penetrating quality auditing and risk warning from the original raw material source to the finished product.

The disclosure relates to a method for preparing sustainable aviation fuel, wherein the method comprises pretreating tall oil material; hydroprocessing said purified tall oil material using one or more catalysts and recovering an intermediate product; fractionating the intermediate product or a fraction thereof into sustainable aviation fuel boiling in the temperature range of 110 – 300 °C.

The present invention is directed to fractionation of crude tall oil, which originates from the Kraft process black liquor. In the method according to the present invention, at least two strongly basic anion exchange resins are used to efficiently separate fractions from the crude tall oil.

A process for separating iron-bearing impurities from silica sand is described. The process comprises the steps of subjecting a silica sand slurry to froth flotation in the presence of a collector, frother and depressant selected to concentrate the iron-bearing impurities of the silica sand in a flotation froth, thereby producing a silica sand depleted in iron-bearing impurities in a tail product. The collector comprises ≥60 to ≤70 w / w % tall oil acids, ≥10 to ≤30 w / w % poly-α-hydroxyl alkyl ethers and up to 3 w / w % tall oil rosin. The frother comprises a non-ionic surfactant, in particular one or more alkyl polypropoxy CnPm and / or polyethoxy CnEm frothers, wherein n=0-6 and m=1-3. The depressant comprises sodium silicate.

The invention belongs to the technical field of V-belts, and particularly relates to an anti-aging V-belt and a production device thereof; wherein the V-belt is made of the following raw materials in parts by weight: 15 to 42 parts of acrylate rubber; 15 to 62 parts of chlorinated polyethylene rubber; 15 to 41 parts of ethylene propylene diene monomer rubber; 0.6 to 1.3 parts of sulfur; 3 to 6 parts of magnesium oxide; 1.5 to 2.2 parts of vulcanization accelerator, 1.8 to 3.2 parts of zinc oxide; 52 to 62 parts of reinforcing agent; 15 to 20 parts of softener; 3 to 5 parts of tackifying resin; 1.5 to 2 parts of antioxidant; 2-10 parts of colorant; wherein the vulcanization accelerator can be 2,2'-dibenzothiazole disulfide accelerator and triazine as the vulcanization accelerator, and the softener can be pine tar, tall oil or poly(butylene adipate); by adding the chlorinated polyethylene rubber, the compatibility of the acrylate rubber and the ethylene propylene diene monomer rubber is improved, thereby ensuring the overall use performance of the produced V-belt.

Fuel mixture comprising: (a) from 80% by weight to 99.99% by weight, preferably from 85% by weight to 99.95% by weight, of marine fuel; (b) from 0.01% by weight to 20% by weight, preferably from 0.05% by weight to 15% by weight, of tall oil; the sum of (a) + (b) being equal to 100; wherein said marine fuel has the following characteristics: - a density, at 15°C, comprised between 890 kg / nr and 1010 kg / m3, preferably comprised between 910 kg / m3 and 991 kg / m3; - a kinematic viscosity, at 50°C, comprised between 6 mm2 / s and 700 mm2 / s, preferably comprised between 20 mm2 / s and 500 mm2 / s; - a total quantity of post-hot filtration sediments (TSA - "Total Sediment Aged") less than or equal to 0.1% m / m; - an acidity (TAN - "Total Acid Number") less than or equal to 2.5 mg KOH / g, preferably comprised between 0.05 mg KOH / g and 2.4 mg KOH / g; - a Conradson carbon residue (CCR) less than or equal to 20% m / m. Said fuel mixture can advantageously be used, as such, or in a mixture with other renewable or fossil marine fuels, in combustion engines for ships.

In tall oil production process, water is separated from a CO2 pre-acidified tall oil soap before the soap cooking phase. Method for improving a water separation from a CO2 pre-acidified tall oil soap comprises adding a synthetic polymer additive obtained by copolymerization of (meth)acrylamide and at least cationic monomers, to the CO2 pre-acidified tall oil soap prior to a water separation phase and / or in a water separation phase. The synthetic polymer additive is a net cationic at pH 7 and has a weight average molecular weight of 1 500 000 – 10 000 000 g / mol.

The invention discloses a foaming agent for reducing the water absorption rate of foamed mixed light soil and a preparation method and application thereof.The foaming agent is formed by mixing 50-80 parts of tall oil-based surfactant and 20-50 parts of modified ammonium stearate emulsion. The preparation method comprises the following steps: putting the tall oil-based surfactant and the modified ammonium stearate emulsion into a reaction kettle according to the mass ratio of (50-80): (20-50), mixing at the temperature of 30-50 DEG C, and stirring at the stirring speed of 300-600 r / min for 20-30 minutes to obtain the foaming agent for reducing the water absorption of the foam mixed light soil. The foaming agent for reducing the water absorption of the foam mixed light soil is used for manufacturing the low-water-absorption foam mixed light soil. The tall oil-based surfactant and the modified ammonium stearate have good compatibility and can be superposed to play a role, so that the foaming agent has good foamability and foam stability at the same time, and the waterproof performance of the foamed light soil can be improved; the main raw material tall oil is wide in source and low in price, and has the cost advantage compared with an existing mainstream foaming agent.

A method for improving a separation of tall oil soap from black liquor in a tall oil soap separation phase, which comprises adding of a polymer additive comprising cationic epichlorohydrin-dimethylamine based polymer into black liquor. The cationic epichlorohydrin-dimethylamine based polymer has a weight average molecular weight in the range of 1 500 – 500 000 g / mol. The cationic epichlorohydrin- dimethylamine based polymer may be further crosslinked with ethylenediamine (EDA). The polymer additive can be added to black liquor from pulping process prior to tall oil soap separation, and / or to a tall oil soap solution, which is achieved from separating tall oil soap from black liquor.

The present invention is directed to a method for recycling solvent and drying sodium salts of fatty acids and rosin acids obtained from crude tall oil. In the method according to the present invention, a mixture comprising sodium salts of fatty acids and rosin acids and an alcohol selected from methanol, ethanol and / or iso-propanol is subjected to a drying step wherein the alcohol is evaporated from the mixture and the salts are dried and recovered. The salts are useful for example for removal of extractives in pulp production or can be acidulated to produce high acid number tall oil.

The present disclosure relates to a process for producing rosinol from renewable materials comprising abietic acid, such as raw materials comprising crude tall oil. According to the method, abietic acid present in the renewable material is separated (101) and a stream comprising at least partially separated abietic acid is subjected to a thermal decarboxylation reaction (102) to produce a stream comprising formed rosin oil and rosin oil is recovered (103) from the stream. The present disclosure also relates to a system for carrying out the method, and the use of rosinol obtainable by the method as a renewable feedstock co-processed with fossil feedstock to increase the renewable content of fossil transport fuels and / or chemicals, and the use of co-processing with other renewable feedstocks to produce renewable fuels and / or chemicals or components thereof. The present disclosure also relates to a rosin oil product obtainable by the process.

The invention relates to the technical field of road paving materials, and discloses aminated PET (polyethylene terephthalate) and desulfurized rubber powder composite modified asphalt and a preparation method thereof, the aminated PET and desulfurized rubber powder composite modified asphalt is prepared from matrix asphalt, desulfurized rubber powder, tall oil fatty acid, epoxidized soybean oil, zinc isoocatanoate, aminated PET and styrene-maleic anhydride copolymer, coating the desulfurized rubber powder with tall oil fatty acid, and carrying out esterification ring-opening reaction on the tall oil fatty acid and the epoxidized soybean oil to generate an anti-migration structure; the terminal amino of the aminated PET and the epoxidized soybean oil are subjected to addition to form a bridging prepolymerization micro-area; and the styrene-maleic anhydride copolymer is subjected to dehydration ring-closure reaction, so that the pre-polymerized micro-area is grafted into the matrix asphalt in situ. According to the invention, a homogeneous three-dimensional interpenetrating network is constructed in an asphalt system through a chemical reaction, so that the interfacial compatibility of a modifier and matrix asphalt is improved, the unidirectional migration of light components and the segregation of polymers are inhibited, and the long-term storage stability and rutting deformation resistance of the composite modified asphalt are improved.

The present invention relates to a low-temperature resistant spodumene flotation collector, a preparation method, and applications thereof. The collector comprises oleic acid, tall oil, sodium alkylbenzene sulfonate, and an emulsifier. The preparation method of the flotation collector comprises: heating the oleic acid, mixing it into the tall oil, stirring and mixing uniformly, then adding the sodium alkylbenzene sulfonate and mixing uniformly to obtain a mixture, then adding the emulsifier to the mixture, and stirring until the reaction is complete. The collector of the present invention has a wide material source and is low in price. The combination of oleic acid, tall oil, and sodium alkylbenzene sulfonate solves the problem of the spodumene collector dispersing in the ore pulp. The collector has excellent collection capacity and selectivity in low-temperature ore pulp, is beneficial for improving the grade and recovery rate of spodumene concentrate, and reduces fluctuations in flotation indicators caused by temperature changes. The collector has good adaptability to various types of spodumene ores in different altitudes. The collector is also beneficial for improving the grade and recovery rate of spodumene and stabilizing the flotation indicators of the mineral processing plant.

Provided is an asphalt composition for repairing asphalt pavement, the asphalt composition comprising an asphalt and a lubricative solidification material, wherein the lubricative solidification material contains a tall oil fatty acid and / or a tall oil fatty acid ester, and a C6-C30 branched saturated fatty acid.

The present invention relates to the fractionation of crude tall oil derived from sulfate process black liquor. In the process according to the invention, fractions are effectively separated from crude tall oil using at least two (two) strongly basic anion exchange resins.

A method for the purification of impurities from tall oil feed, and a corresponding liquid product obtained by the method, is provided includes mixing the tall oil feed with an added solvent, removing impurities that precipitate when the solvent is added, and then recovering a liquid product as a tall oil feed with a reduced impurity content.

The invention discloses a bio-based odor removing agent for road asphalt as well as a preparation method and application thereof, and relates to the technical field of preparation of odor removing agents for asphalt and modified asphalt. The odor removing agent is prepared from the following raw materials in percentage by mass: 50 to 75 percent of modified biological base oil, 10 to 30 percent of mixture of tall oil and tall oil acid, 3 to 10 percent of polyether monomer, 4 to 8 percent of SBS (Styrene Butadiene Styrene) additive, 1 to 3 percent of basic catalyst and 2 to 5 percent of glyceryl trilaurate. The composition is used for preparing the odor removing agent for the road asphalt, the odor removing agent adopts a targeted chemical reaction, the emission amount of non-methane hydrocarbon NMHC and volatile organic compounds VOCs can be reduced by 70% or above, odor return is avoided after odor removing treatment, the problems of irritant peculiar smell of asphalt and excessive emission of asphalt smoke are solved from the source, and the odor removing agent is green, environmentally friendly, good in natural compatibility with asphalt and low in cost. The anti-aging performance and the low-temperature performance are excellent.

The invention relates to the technical field of pipeline repair, and discloses a pipeline trenchless repair material and a preparation method thereof, the repair material is a bi-component solvent-free thixotropic fluid, and is composed of a component A and a component B, wherein the component A takes bisphenol A type and bisphenol F type liquid epoxy resin as a matrix, and is matched with hydrophilic fumed silica and quartz powder to construct a thixotropic network; the component B comprises a reaction product of tall oil fatty acid and triethylene tetramine, benzyl alcohol, an alicyclic amine curing agent, an aromatic amine curing agent and a tertiary amine accelerator. Through compounding of an amine curing system and thixotropic adjustment, the problems that an existing material is prone to sagging during construction on a vertical plane and the bonding strength of a wet base plane is low are effectively solved. The material has excellent thixotropy, wet surface bonding strength and chemical corrosion resistance, is compact in curing, low in shrinkage rate and free of solvent residues, and is particularly suitable for non-excavation in-situ repair construction of underground drainage pipelines.

This invention discloses a thick-film solvent-free epoxy fire-retardant coating and its application. The thick-film solvent-free epoxy fire-retardant coating comprises component A and component B. Component A includes the following components: polyester-modified epoxy resin, tall oil fatty acid, glass fiber filaments, thixotropic thickener, rheology modifier, and flame retardant. Component B includes the following components: curing agent, curing accelerator, modifier, glass fiber filaments, thixotropic thickener, rheology modifier, and melamine. The coating formed by applying the above coating to a substrate exhibits excellent adhesion, good wind resistance, water resistance, weather resistance, and durability, and there is no fire risk at the joints.

Blends containing a homogeneous mixture of i) vegetable oil fatty acids from annual crop plants and ii) rosin acid are provided for use in metal cutting fluids and in other products employing tall oil derivatives. The blends may be combined with an emulsifying agent and water under high shear conditions to form metal cutting fluid emulsions, may be used as lubricity additives to improve the performance of non-emulsified metal cutting fluids, and may be used in other products including oilfield additives, detergents, soaps, surfactants, mining fluids, and resins.