138results about "Fatty acid oxidation" patented technology

A process for modifying an unsaturated polyol fatty acid ester stock, such as an unsaturated triacylglycerol oil, to enhance its reactivity provided. The method includes reacting the unsaturated polyol fatty acid ester stock with an oxygenating agent, such as an oxygen-containing gas. Tempering oils containing reactive polyol fatty acid esters and methods for their production and use are also provided.

Compositions and methods for forming hydrocarbon products from triglycerides are disclosed. In one aspect, the methods involve the thermal decomposition of fatty acids, which can be derived from the hydrolysis of triglycerides. The thermal decomposition products can be combined with low molecular weight olefins, such as Fischer-Tropsch synthesis products, and subjected to molecular averaging reactions. Alternatively, the products can be subjected to hydrocracking reactions, isomerization reactions, and the like. The products can be isolated in the gasoline, jet and / or diesel fuel ranges. Thus, vegetable oils and / or animal fats can be converted using water, catalysts, and heat, into conventional products in the gasoline, jet and / or diesel fuel ranges. These products are virtually indistinguishable from those derived from their petroleum-based analogs, except that they can have virtually no aromatic, sulfur or nitrogen content, they are derived, in whole or in part, from renewable resources, and can also be derived from domestically available coal and / or natural gas.

Simple, economical preparative processes for the provision of pure hydroxyl functional materials that are derived by converting the alkene groups of the unsaturated molecules found in vegetable oils, into hydroxyl groups.

Processes for producing hydrocarbons in the gasoline and jet fuel range. The processes involve the thermal decarboxylation of fatty acids, which can be derived from the hydrolysis of triglycerides, which triglycerides can be vegetable oils, animal fats, or combinations thereof. The resulting hydrocarbons can be hydrocracked, and, optionally, isomerized and / or hydrotreated, to yield hydrocarbons in the jet fuel or gasoline range. Where the resulting hydrocarbons include olefinic double bonds, they can alternatively be combined with low molecular weight olefins, and subjected to olefin metathesis to yield hydrocarbons in the jet fuel or gasoline range.

This invention is linked to the chemical, pharmaceutical and cosmetic industries, where the bactericidal, virucidal, parasiticidal and fungicidal properties of the ozonized vegetable oils and fats are considered. The emulsified vegetable oil or fat is driven to react with ozone in a bubbling reactor, covered by a jacket that makes possible to control the reaction's temperature. Ozone reacts with the double bonds present in vegetable oil or fat, giving rise to the formation of different peroxidic species, responsible for the biological action of those products. The ozonized vegetable oils and fats in those conditions are applied with satisfactory and advanced results to the treatment of diseases in diverse medical specialties, such as ophthalmology, dentistry, dermatology, gastroenterology, gynecology, parasitology, and others. Likewise, the cosmetic application of the ozonized vegetable oil and fats is described, considering their oxygenating and revitalizing properties of the skin. The results of the toxicological studies previously performed show that the products obtained according to this process do not show any cross or adverse reaction.

The present invention relates generally to polymers and monomers derived from agricultural feedstocks, and more particularly to methods for the production of monomers from renewable agricultural resources such as feedstocks, for example canola, flax and tallow, and polymers, in particular polyurethanes produced from monomers derived from such feedstocks. The present invention also relates to novel processes for the production of short-chain alcohols, as well as hydroxyl wax esters, from renewable feedstocks. An improved apparatus for carrying out ozonolysis reactions is also disclosed.

A method is disclosed for making a polyol comprising: fully-epoxidizing a partially hydrogenated vegetable oil to obtain a fully-epoxidized vegetable oil derivative having an iodine value less than 4 g I2 / 100 gram, an EOC of from 4.0 to 5.7% and a Gardner color value of 2 or less; and then reacting the fully-epoxidized vegetable oil derivative with a ring opener to form a polyol having a hydroxyl number from 40 to 80 mg KOH / gram, a number average molecular weight of at least 1500 Daltons, a dynamic viscosity less than 10 pascal-seconds, and an EOC below 3.0 wt %.

The present invention is directed to methods and systems for processing triglyceride-containing, biologically-derived oils, wherein such processing comprises conversion of triglycerides to free fatty acids and the separation of these fatty acids by saturation type. Such separation by type enables the efficient preparation of both lubricants and transportation fuels from a common source using a single integrated method and / or system.

There is disclosed a process for hydroxylating vegetable oils to create polyols suitable for use in polymer processes, particularly polyurethane processes. The process includes contacting a vegetable oil with hydrogen peroxide and an organic acid having 1-3 carbon atoms under conditions sufficient to oxidize carbon to carbon double bonds found in the vegetable oil. There is also disclosed a vegetable oil based polyol having an acid number of 2.0 mg KOH / g or less. The polyol contains 0.1% w / w or less water, 0.1% w / w or less of the organic acid used to prepare the polyol, and triglyceride groups having fatty acid moieties ranging from C16 to C18. The fatty acid moieties contain pendant carboxylate groups having from 1 to 3 carbon atoms.

The present invention is directed to methods and systems for processing triglyceride-containing, biologically-derived oils, wherein such processing comprises conversion of triglycerides to free fatty acids and the separation of these fatty acids by saturation type. Such separation by type enables the efficient preparation of both lubricants and transportation fuels from a common source using a single integrated method and / or system.

Simple, economical preparative processes for the provision of pure hydroxyl functional materials that are derived by converting the alkene groups of the unsaturated molecules found in vegetable oils, into hydroxyl groups.

A process for the preparation of new polyols from a natural oil is described. The process involves ozone cleavage of double bonds in the fatty acid chains of the oils along with coupling of a di or polyol to the cleaved ends of the molecules resulting from the cleavage with a base. The resulting polyols are as intermediates for polymers.

The present invention refers to a process for modifying epoxidized or non-modified vegetable oils. More specifically, it refers to the process through which vegetable oils and alcohols are converted into fatty acid alkyl esters through transesterification. The present invention also refers to the products obtained through the process disclosed herein.

A polyol includes the reaction product of an epoxidized oil and an organic acid. The epoxidized oil and the organic acid are reacted in the presence of a Lewis base catalyst including at least one of a phosphorous atom or a nitrogen atom. The polyol is formed by a method that includes the step of reacting the epoxidized oil with the organic acid in the presence of the Lewis base catalyst.

Methods to convert biobased oils, oil derivatives, and modified oils to highly functionalized esters, ester polyols, amides, and amide polyols. The products can be used to make polyurethane and polyester films and foams.

Certain embodiments of the present invention are configured to produce boiler and transportation fuels. A first phase of the method may include oxidation and / or hyper-acidification of bio-oil to produce an intermediate product. A second phase of the method may include catalytic deoxygenation, esterification, or olefination / esterification of the intermediate product under pressurized syngas. The composition of the resulting product—e.g., a boiler fuel—produced by these methods may be used directly or further upgraded to a transportation fuel. Certain embodiments of the present invention also include catalytic compositions configured for use in the method embodiments.

The present invention relates generally to polymers and monomers derived from agricultural feedstocks, and more particularly to methods for the production of monomers from renewable agricultural resources such as feedstocks, for example canola, flax and tallow, and polymers, in particular polyurethanes produced from monomers derived from such feedstocks. The present invention also relates to novel processes for the production of short-chain alcohols, as well as hydroxyl wax esters, from renewable feedstocks. An improved apparatus for carrying out ozonolysis reactions is also disclosed.

Ester polyol esters are a unique class of lubricants that have adjustable molecular weights, viscosities, and pour points based on the character of their reaction materials and relative ratios. There is provided a method for preparing at least one ester polyol ester, the method comprising esterifying an ester polyol reaction mixture to produce ester polyol, the reaction mixture comprising an ozone acid mixture and at least one primary polyol, wherein the ozone acid mixture comprises at least one dicarboxylic acid and at least one monocarboxylic acid; and capping the ester polyol with at least one capping carboxylic acid to produce ester polyol ester.

The purpose of the present invention is to provide a body taste improver comprising a small amount of fat and oil, but significantly showing body taste, i.e., a body taste improver with a high titer. The high titer of the improver will reduce an amount of the fat and oil to be added and calorie as well, and will enable to use the body taste improver in foods that originally contain little fat and oil, such as Japanese-style clear soup and soybean soup. Thus, the present invention is related to a body taste improver comprising decomposed substances of a long-chain highly unsaturated fatty acid and / or an ester thereof, to a body taste improver comprising an extract of decomposed substances of a long-chain highly unsaturated fatty acid and / or an ester thereof, and to a food comprising said body taste improver.

The present invention refers to a process for modifying epoxidized or non-modified vegetable oils. More specifically, it refers to the process through which vegetable oils and alcohols are converted into fatty acid alkyl esters through transesterification. The present invention also refers to the products obtained through the process disclosed herein.

A method for producing an ester polyol, comprising transesterifying a first ester polyol with a primary polyol to produce a second ester polyol, wherein the second ester polyol has a higher hydroxyl value than the first ester polyol.

[Problem] An oil or fat composition capable of suppressing a cooked odor without the use of an additive such as an emulsifier is provided. [Solution] This oil or fat composition is characterized in comprising an edible oil or fat and an oil or fat in which new oil or fat has been oxidized so that the difference in anisidine values after oxidation treatment is 0.5-350, wherein the added anisidine value is 0.07-350 as calculated using the formula: added anisidine value = ((anisidine value after oxidation treatment) - (anisidine value prior to oxidation treatment)) × added amount (wt%).

Bio-based wax compositions contain at least one of the following components: epoxides of non-hydrogenated vegetable oils, epoxides of fatty acid esters. epoxides of tall oil fatty acid esters, chemically modified epoxides of non-hydrogenated vegetable oils, chemically modified epoxides of fatty acid esters, and chemically modified epoxides of tall oil fatty acid esters. The wax compositions can be used to produce candle sticks, container candles and / or composite materials.

A method for preparing polyols from fatty acid substrates such as free fatty acids, alkyl esters of fatty acids, mono-glycerides, diglycerides, and triglycerides. The method comprises the steps of (a) epoxidizing an unsaturated fatty acid substrate and (b) hydroxylating the epoxidized fatty acid substrate with at least one diol to produce a polyol or a blend of polyols. The method may be varied to produce polyols with desired functionality, molecular weights, or viscosity.

Alkyl esters (butyl, hexyl, or other) of full composition palm fatty acids, palm fatty acid distillates (PFAD), and palm kernel fatty acid distillates (PKFAD) can be used to generate polyurethane and lubricant products. The alkyl esters of the present invention can be produced via ozonolysis. The improved method for producing alkyl esters includes reacting at least one substance having at least one carbon-to-carbon double bond with ozone in the presence of least one monoalcohol that azeotropes with water. In particular, the method may comprise reacting with at least one first mole of ozone and at least one second mole of ozone, and further comprises refluxing before addition of the second mole of ozone.

The invention discloses anti-rust oil free of heavy metals. The anti-rust oil is prepared from, by weight, 1%-15% of a first anti-rust agent, 1%-10% of a second anti-rust agent, 5%-15% of a film-forming agent, 0.1%-5% of an antioxidant, 0.1%-5% of a preservative, 0.01%-2% of a defoaming agent, 0.01%-2% of essence and the balance modified vegetable oil. Components of the anti-rust oil do not contain heavy metals, the modified vegetable oil replaces mineral oil to serve as base oil, the modified vegetable oil is biodegradable and environment-friendly, the modified vegetable oil is not easy to oxidize, the antirust oil is good in stability and long in service life, and the first anti-rust agent and the second anti-rust agent have a synergistic effect, so that the antirust performance is good.

Disclosed is a method for the reduction of residual peroxides in vegetable oils, preferably epoxidized vegetable oils using a phosphorous compound preferably alkyl / aryl substituted phosphite compounds or hypophosphorous acid and its derivatives.

The disclosure provides bio-asphalt, bio-asphalt compositions and a method for preparing them. It belongs to the technical field of asphalt material. The method of the disclosure uses bio-oil as the raw material, adopts a combination of extraction process and oxidation process to prepare bio-asphalt, and modifies the product obtained from bio-oil by extraction process or bio-asphalt with ordinary petroleum asphalt and / or aromatic hydrocarbon oil and a macromolecular material to obtain a bio-asphalt composition.

The invention discloses a preparation method for medical ozonized oil. By taking vegetable oil as an initial raw material, ozone is introduced by an ozone generator continuously to carry out an ozonizing reaction to obtain the ozonized oil. The reactant meets the demand on the medical ozonized oil. The method is easily available in raw material, relatively low in cost, simple to operate, green andenvironment-friendly and suitable for scaled production.