55results about How to "Low iodine value" patented technology

A heat activated fabric treatment composition comprises from 3 to 75 wt % of one or more fabric treatment active ingredients, from 10 to 50 wt % of water, from 5 to 40 wt % of an oil and optionally from 2 to 30 wt % of a nonionic surfactant. The composition is provided in a dispensing device which, in use, is attached to the internal panel of a tumble dryer.

The invention relates to a method for preparing colorless hydrogenated rosin ester resin. Rosin ester obtained by esterifying rosin purified through distillation is used as a raw material, catalytic hydrogenation is carried out under the action of a solvent and a high activity catalyst, the solvent is separated through distillation, and the colorless hydrogenated rosin ester resin is obtained. The product comprises the following key indexes of: no more than 100 of Hasson color number, no more than 20 mg / g of acid value, 80 to 110 DEG C of softening point and 0 to 15 gI2 / 100g of iodine value. The product can substitute a colorless hydrogenated petroleum resin product to be applied to the high-end adhesive. The method for preparing the colorless hydrogenated rosin ester resin is simple and easy, and the prepared product has the advantages of shadow color, lower iodine value, higher stability and lower preparation cost when being compared with the traditional products.

A process for prepairng octacosonal and triacontanol from rice bran, especially the rice bran wax includes such steps as refining rice bran wax, ultrasonic hydrolysis for 1 hr to extract emtrol, and molecular distilling for separating octacosanol and triacontanol. Its advantages are ultrasonic hydrolysis time decreased from 12-16 hr to 1 hr, and high purity of products (more than 80%).

The invention relates to a method for producing water-white hydrogenated rosin, which comprises the following steps: using light color refined rosin obtained after purifying the rosin as hydrogenation raw materials, using a solvent for preparing solution, carrying out catalytic hydrogenation, then, separating out the solvent through distillation, and obtaining the water-white hydrogenated rosin. When the method provided by the invention is adopted, the water-white hydrogenated rosin with light color (the Lovibond color number of the yellow color is 0.3 to 1.0, and the Lovibond color number of the red color is 0.2 to 0.3), low iodine value and low abietic acid content can be obtained. Compared with the water-white hydrogenated rosin produced by a traditional method, the water-white hydrogenated rosin produced by the method provided by the invention has the advantages of lighter color, higher hydrogenation degree, better stability and lower cost, and the application value of products can be improved when the water-white hydrogenated rosin is applied to aspects such as electronics, paint, bonding agents, dyestuff and the like.

The invention discloses a method for preparing high-quality fine lacquer wax product, which comprises the following steps of: firstly, microwave drying lacquer seeds, separating skin and cores, and lixiviating the skin and flesh part of the lacquer seeds by using a non-polar solvent to obtain rough lacquer wax; heating and uniformly mixing the lacquer wax and a certain proportion of Pd / C catalyst in a high-temperature high-pressure reactor, charging hydrogen gas and maintaining a certain hydrogen gas pressure for reaction; after the reaction is completed, and filtering and discoloring the product while hot to obtain highly saturated lacquer wax; and detecting the variation of fatty acid content in the lacquer wax, by using gas chromatography. The method is simple and convenient, and the problems of low lacquer wax melting point, easy rancidity and the like caused by high content of unsaturated fatty acid in rough lacquer wax can be effectively solved. The obtained hydrogenated fine lacquer wax product has similar physical and chemical properties to Star Cherry-A white wax processed by Japan Araki Wax Manufacturing Company and can be widely applied to the field of daily chemicals.

The invention relates to an oat and linolenic acid composite beverage, relates to a preparation method of the beverage, and belongs to the technical field of processing of other beverages. The oat and linolenic acid composite beverage is mainly prepared from the following raw materials in percentage by mass: 1-6% of oat, 1-8% of linseed oil, 2-3% of maltose, 0.2-0.6% of fructo-oligosaccharide, 1-3% of xylitol, 1-4% of cane sugar or starch syrup, 2-6% of coconut milk, 0.1-0.3% of a composite emulsion stabilizer, 0.005-0.01% of edible essence and 0.1-1% of sodium ascorbate. According to the oat and linolenic acid composite beverage disclosed by the invention, the oat is used as a main raw material, the linseed oil and the coconut milk are added, the specific composite emulsion stabilizer is matched, and a specific technology is used, so that the oat and linolenic acid composite beverage is prepared. High omega-3 fatty acid content of the oat beverage is guaranteed, and besides, a good stabilizing effect can be achieved. Under normal temperature, after being subjected to standing for 3 months, the oat and linolenic acid composite beverage does not generate precipitates, and is free of a layering phenomenon and the phenomenon that fat floats upwards.

The present invention discloses a method for separating and extracting isostearic acid from monomer acid. The present invention relates to a method for separating and extracting isostearic acid, in particular to a novel method for separating and extracting isostearic acid from monomer acid. The present invention provides a method for separating and extracting isostearic acid from monomer acid, which is suitable for use in commercial production. The method is characterized in: esterify the byproduct (monomer acid) obtain in production of dimer acid through bleaching earth catalytication process under medium pressure without catalyst to obtain monomer acid ester, treat by catalytic hydrogenation under medium pressure, and filter to obtain hydrogenised monomer acid ester; envelope with carbamide, filter, separate, and wash with water to obtain crude product of isostearic acid ester; perform molecular distillation to obtain refined isostearic acid ester, and then perform hydrolysis to obtain isostearic acid. Compared to the separation and extraction technique in the prior art, the present invention has the following advantages: the acidity and viscosity are low during hydrogenisation, and therefore the service life of catalyst is long, no nickel soap will be formed, and the corrosion to equipment is reduced; the product can be enveloped and separated by carbamide more easily; the distillation can be performed at a lower temperature; the iodine value of final product is low, the color is light, and the purity is high.

The invention discloses a refined method of Chinese wax, comprising 1) acid cleaning to removal impurity, which means acidic solution is adopted to removal the phospholipids and micro metal ion in the liquated raw wax; 2) adsorbing to decolor, which means the floridin and the silicon dioxide are adopted to decolor and removal the protein in the liquated raw Chinese wax under vacuum state. The refined method of Chinese wax has the advantages of simple technique and convention operation. The appearance of the made Chinese wax and the physicochemical index can reach the first wax standard set by < trading cooperative standards of P.R.C- Chinese wax [GH011-80] >, and also has the advantages of increasing the productive rate and the purity of the Chinese wax and lowering the productivity energy consumption.

The invention discloses a positive electrode of a lithium-thionyl chloride energy type battery, a preparation method thereof and the lithium-thionyl chloride energy type battery. The carbon positive electrode is composed of acetylene black, a polytetrafluoroethylene emulsion, a novel carbon material and a solvent, the mass ratio of the acetylene black to the polytetrafluoroethylene emulsion to thenovel carbon material to the solvent is 10: (1.8 to 2.1) ): (0.8-1.0): (45.5-48), and the carbon positive electrode is prepared by uniformly mixing the acetylene black, the polytetrafluoroethylene emulsion, the novel carbon material and the solvent through a low-speed and three-dimensional mixer by means of granulation and drying. The carbon positive electrode of the lithium-thionyl chloride energy type battery has improved liquid absorption capacity and liquid retention capacity, effectively solves the problem of capacity difference caused by the difference of electrolyte flow when the battery is arranged transversely and inverted, and improves the environmental adaptability of the battery.

A combination of a container in which is disposed a liquid composition in the form of a beverage or liquid food and a drinking straw comprises a hollow elongate tube through which liquid may be drawn by suction. The tube has an outer surface and an inner surface. The combination includes an iron component and an oxidisable oil. The iron component is disposed inside the drinking straw and the oxidisable oil is in the liquid composition. The straw alone is also an aspect of the invention.

The invention relates to a hydrogenated product of beef tallow, which is obtained after raw material beef tallow is hydrogenated. Compared with the iodine value of the raw material beef tallow, the iodine value of the hydrogenated product is decreased by 5-53. The invention additionally provides a fat composite containing the hydrogenated product. The invention further provides a hydrogenation method for the beef tallow and a method for preventing the fat composite containing the beef tallow from generating particles under an environment with low-temperature and the a storage condition with temperature fluctuation. Through hydrogenating and modifying fat materials containing the beef tallow or the fat composite, the invention can effectively solve the problem that the products are apt to generate particles under the environment with low-temperature and the environment with temperature fluctuation.

The invention discloses a method for preparing rice bran active substances octacosanol and triacontanol, which belongs to the comprehensive utilization of rice bran, especially the comprehensive utilization of rice bran wax. The present invention uses crude bran wax as a raw material, and after refining the crude bran wax, adopts ultrasonic hydrolysis of rice bran wax, extraction of fatty alcohol, and separation of octacosanol and triacontanol by molecular distillation technology, a product with a purity greater than 80% is prepared. . The invention uses ultrasonic hydrolysis of rice bran wax and molecular distillation technology to separate octacosanol and triacontanol, which belongs to pioneering research, and establishes a complete set of technology for extracting octacosanol and triacontanol from rice bran wax. The hydrolysis reaction is shortened by more than 10 hours compared with the general method, shortened from 12-16 hours to less than 1 hour, and the hydrolysis rate has been increased by 2 times; the pilot test of molecular distillation has been carried out, and the preparation of high-purity biologically active substances octacosanol, Triacontanol breakthrough. The product has high purity, low iodine value, and heavy metal and microbial content meet the requirements of food additives, creating conditions for the development and utilization of high-carbon alcohols in the future.

The invention relates to the technical field of synthesis and processing of glyceride, and specifically relates to a preparation method of reducing iodine value of glyceride. The preparation method ofreducing iodine value of glyceride includes catalytic reaction of glyceride, saturated fatty acid and alkali under the action of lipase to prepare the glyceride with low iodine value; the iodine value of glyceride is effectively reduced by sufficient amount of saturated fatty acid residues provided by salts of saturated fatty acids that are produced by corresponding saturated fatty acid and alkali in-situ and by catalytic action of non-directed lipase to allow milder reaction conditions with less side reactions.

The invention discloses a preparation method of hydrogenated dimer acid. The preparation method comprises the following steps: adding cottonseed oil fatty acid, dimethyl formamide, deionized water, sodium carbonate and a catalyst into a reaction still, introducing nitrogen, carrying out heating and pressurization, stirring for 3 to 4 h, adding a phosphoric acid solution, stirring, then warming, gradually reducing pressure inside the reaction still, discharging water vapor, when the pressure is decreased to be 1 atm, stopping heating, and standing for cooling; then adding the solution into a molecular still, adjusting the vacuum degree, and collecting residual liquid inside the molecular still 1 to 2 h later; adding the residual liquid into a high pressure still, adding the solvent and thecatalyst in sequence, introducing hydrogen, adjusting pressure and temperature, and stirring until the iodine value is smaller than or equal to 8 g per 100 g so as to obtain the hydrogenated dimer acid. The hydrogenated dimer acid prepared by the method has the character high dimer content, low in color and luster, low in iodine value, high in flash pint, high ignition point and high heat stability, and can be widely applied to mineral oil additives, surface active agents, waterproof agents, rocket propellants and the like.

The invention relates to a method for producing water-white hydrogenated rosin, which comprises the following steps: using light color refined rosin obtained after purifying the rosin as hydrogenation raw materials, using a solvent for preparing solution, carrying out catalytic hydrogenation, then, separating out the solvent through distillation, and obtaining the water-white hydrogenated rosin. When the method provided by the invention is adopted, the water-white hydrogenated rosin with light color (the Lovibond color number of the yellow color is 0.3 to 1.0, and the Lovibond color number of the red color is 0.2 to 0.3), low iodine value and low abietic acid content can be obtained. Compared with the water-white hydrogenated rosin produced by a traditional method, the water-white hydrogenated rosin produced by the method provided by the invention has the advantages of lighter color, higher hydrogenation degree, better stability and lower cost, and the application value of products can be improved when the water-white hydrogenated rosin is applied to aspects such as electronics, paint, bonding agents, dyestuff and the like.

The invention relates to a method for preparing an oil-fat hydrogenation nano catalyst by using nano calcium carbonate. The method is mainly characterized by breaking through the use of a conventional catalyst carrier and adopting nano calcium carbonate which is economical and easily available as a catalyst carrier. The catalyst preparation is simple in operation, the performance of the catalyst is stable, and the hydrogenation effect can reach an industrial requirement level. The catalyst prepared by loading an active ingredient, namely nickel and one or more than one of auxiliary agents, namely aluminum, cobalt, zinc, iron and the like to a carrier namely nano calcium carbonate can be used for hydrogenation reaction of unsaturated fatty acid including branched chain unsaturated fatty acid in natural oil and fat.

Waxes prepared from hydrogenated plant oils, such as castor and soybean, are formulated into aqueous ink and paper coating compositions. Ink compositions comprising these waxes and evaluated for their resistance to mar and abrasion achieved rub resistance and slip performance comparable to compositions utilizing conventional wax additives, which are generally derived from petroleum. The waxes in the inventive compositions have a low iodine value (ranging from approximately 2 to approximately 5), and a melting point between approximately 120 degrees to approximately 190 degrees F. (Mettler Drop Point). These naturally derived waxes are used as an alternative to petroleum and synthetically derived waxes in the manufacture of inks and coatings for paper and cellulosic products.

The invention discloses a preparation method of biodegradable drawing oil, and belongs to the technical field of drawing oil preparation. According to the preparation method, with catalysis of sodiumhydroxide, lard oil and palm oil are mixed and react with methanol to generate palm oil fatty acid methyl ester; the content of double bonds in the mixed oil is reduced, and the oxidation stability ofthe drawing oil is improved; since the ester synthesized oil has relatively high biodegradability, carbon dioxide and water are generated during biodegradation process, thus the biodegradability of the drawing oil is enhanced; by implementing acetylation modification on the group-OH at the terminal of polylactic acid by use of acetic anhydride and pyridine, the thermal stability or oxidation stability of polylactic acid is improved, and the inside of the drawing oil is effectively filled with the polylactic acid, thereby further improving the biodegradability and oxidation stability of the drawing oil; an anti-foaming agent, an antioxidant, a viscous agent and a stabilizer are added to form a layer of oxidation-stable protective film at high temperature, thereby improving the oxidation stability of the drawing oil and realizing a broad application prospect.

The invention relates to an oatmeal compound linolenic acid beverage and a preparation method of the beverage, which belongs to the technical field of other beverage processing. The oat compound linolenic acid beverage is mainly prepared from raw materials including the following mass percentages: oat 1-6%, linseed oil 1-8%, maltose 2-3%, fructooligosaccharide 0.2-0.6%, xylitol 1 ‑3%, sucrose or starch syrup 1‑4%, coconut milk 2‑6%, compound emulsion stabilizer 0.1‑0.3%, food flavor 0.005‑0.01%, sodium ascorbate 0.1‑1%. The present invention uses oats as the main raw material, adds linseed oil and coconut milk, cooperates with a specific compound emulsification stabilizer, and adopts a specific process to prepare, while ensuring a high content of omega-3 fatty acids in the oat beverage, it can achieve a good The stable effect, standing at room temperature for 3 months without precipitation, stratification, fat floating phenomenon.

The invention discloses a hydrogenation reaction vessel. The hydrogenation reaction vessel comprises a reaction vessel main body; the reaction vessel main body is provided with a feeding pipeline anda discharge pipeline; the feeding pipeline is used for introduction of palm oil, and the discharge pipeline is used for discharging of hydrogenated oil; the upper end of the reaction vessel main bodyis provided with a stirring motor; the stirring motor is provided with a stirring shaft; the stirring shaft is designed to stretch to the bottom of the reaction vessel main body, and is of a hollow structure; the upper end of the stirring shaft is provided with a gas inlet hole; the stirring shaft is provided with hollow vane wheels which are communicated with the internal part of the stirring shaft; the hollow vane wheels are provided with gas outlets; the bottom of the stirring shaft is provided with a distributor; the distributor is communicated with the internal part of the stirring shaft;the lower end of the stirring shaft is connected with a hydrogen gas pipeline; and the hydrogen gas pipeline does not rotate with the stirring shaft. According to the hydrogenation reaction vessel, hydrogen gas is introduced into the stirring shaft through the bottom, and is distributed in oil phase using the distributor, at the same time, high speed rotation of the vane wheels is driven, upper hydrogen gas is inhalated through the gas inlets of the stirring shaft, and is distributed in oil phase through gas outlets of the vane wheels, so that reaction effect is ensured.

The invention relates to snake abdomen scale lower fat and an extraction method and application thereof.The extraction method includes following steps: mincing abdomen skin of a scaled snake to obtain a scaled snake abdomen skin minced product; adding the scaled snake abdomen skin minced product into water, and protease for enzymolysis to obtain a scaled snake abdomen skin enzymolysis product; centrifuging the scaled snake abdomen skin enzymolysis product, and taking supernate for oil-water separation to obtain a snake abdomen scale lower fat crude product; adding the snake abdomen scale lower fat crude product into an ether solvent, and performing microwave extraction and concentration to obtain the snake abdomen scale lower fat.The snake abdomen scale lower fat obtained by the method is high in saturated fatty acid content and low in unsaturated fatty acid content, iodine value, acid value and saponification value, friction coefficient of human hand back skin is increased remarkably, water content of the human hand back skin is increased remarkably, and the snake abdomen scale lower fat has a moisturizing function; the snake abdomen scale lower fat has efficacy of protecting skin, improving skin elasticity, nourishing skin and improving skin smoothness when being used for preparing products having skin protecting effect.

The purpose of the present invention is to provide a method for producing the solid oil or fat having a specified iodine value. Specifically provided is a method for producing the solid oil or fat, characterized by comprising the steps of: (1) mixing a lauric oil or fat with a fatty acid having 14 to 22 carbon atoms and then heating / melting the resultant mixture, wherein the amount of the fatty acid is 0.5 to 15 mass% relative to the total mass of the lauric oil or fat and the fatty acid; (2) cooling the heated / melted product produced by the above-mentioned heating / melting procedure to produce a crystallized product; (3) subjecting the crystallized product to a solid / liquid separation procedure to separate the crystallized product into a solid matter and a liquid matter; and (4) removing the fatty acid from the solid matter to produce the solid oil or fat.

The invention is directed to liquid vegetable unsaturated alcohol mixture having an iodine value of 88 to 100 and a cloud point less than 7° C., the unsaturated alcohol mixture being prepared by reduction of a vegetable unsaturated fatty acid mixture and / or an alkyl ester thereof in the presence of a zinc-type catalyst having a copper content of 30 ppm or less, the vegetable unsaturated fatty acid mixture being prepared from at least one vegetable oil selected from the group consisting of palm oil, coconut oil and palm kernel oil. The invention also concerns a liquid vegetable unsaturated alcohol mixture having an iodine value of 88 to 100, a cloud point less than 7° C. or lower and a conjugated diene content of 1 wt. % or less.

The invention discloses an oil for quick-frozen food. The composition of the oil includes: lard, palm oil, rapeseed oil, olive oil, wheat flour, starch, glyceryl stearate, sesame oil and water. The oil for quick-frozen food of the invention has good quality and is beneficial to safeguard human health.

The invention relates to a method for preparing sulfated methyl ester by an ionic liquid catalysis method, and relates to the technical field of preparation of sulfated methyl ester by ionic liquid catalysis. The method comprises the following steps that: fatty acid methyl ester is used as a raw material, and a sulfated fatty acid methyl ester is prepared by an alkyl sulfonic acid pyridine ionic liquid catalyst under atmospheric pressure at a reaction temperature of 20 to 40 DEG C; the ionic liquid catalyst is added to the fatty acid methyl ester to be stirred, and the titration speed of sulfuric acid is controlled, so that the sulfuric acid is subjected to a sulphation reaction at a specified temperature in a water bath with a constant temperature; the reaction liquid in the steps is poured out, is placed in a separatory funnel, and is washed with 10wt% salt water until the reaction liquid is neutral. The method had the following advantages that: the iodine value of a product is small and can reach to 42.45 (the iodine value of the fatty acid methyl ester is about 110); the viscosity of biodiesel as a raw material is small, so that the mobility of the product is better, and the proportion of concentrated sulfuric acid is increased. The catalyst has good activity, the used amount of the catalyst is few, the carbonation can be reduced, the color of the product is lighter; the reaction conditions are mild, and the reaction time is short.

The present invention discloses a method for separating and extracting isostearic acid from monomer acid. The present invention relates to a method for separating and extracting isostearic acid, in particular to a novel method for separating and extracting isostearic acid from monomer acid. The present invention provides a method for separating and extracting isostearic acid from monomer acid, which is suitable for use in commercial production. The method is characterized in: esterify the byproduct (monomer acid) obtain in production of dimer acid through bleaching earth catalytication process under medium pressure without catalyst to obtain monomer acid ester, treat by catalytic hydrogenation under medium pressure, and filter to obtain hydrogenised monomer acid ester; envelope with carbamide, filter, separate, and wash with water to obtain crude product of isostearic acid ester; perform molecular distillation to obtain refined isostearic acid ester, and then perform hydrolysis to obtain isostearic acid. Compared to the separation and extraction technique in the prior art, the present invention has the following advantages: the acidity and viscosity are low during hydrogenisation, and therefore the service life of catalyst is long, no nickel soap will be formed, and the corrosion to equipment is reduced; the product can be enveloped and separated by carbamide more easily; the distillation can be performed at a lower temperature; the iodine value of final product is low, the color is light, and the purity is high.

The invention discloses a method for preparing silkworm pupa oil for auxiliarily reducing blood lipid, wherein the method includes the steps: a) mixing a silkworm pupa powder and water according to the weight and volume ratio of (5-7):100 evenly, to obtain a silkworm pupa solution; b) adding the obtained silkworm pupa solution into immobilized alkaline protease EC 3.4.21.62, carrying out enzymolysis, inactivating enzymes for 5-7 min with boiling water bath, and allowing to stand for liquid separation, to obtain an upper-layer crude silkworm pupa oil; and c) carrying out degumming, deacidifyingand decoloring treatment on the obtained upper-layer crude silkworm pupa oil, to obtain the silkworm pupa oil. The specific immobilized alkaline protease EC 3.4.21.62 is adopted for enzymolysis; compared with traditional methods for extracting silkworm pupa oil, the method can significantly improve the alpha-linolenic acid content in the silkworm pupa oil, and has higher nutritional value of thesilkworm pupa oil (lower acid value, lower saponification value and higher iodine value), so that the prepared silkworm pupa oil is proved to have a significant effect for auxiliarily reducing blood lipid.

The invention discloses a preparation method of an oil hydrogenation nano-catalyst for improving catalytic activity and belongs to the technical field of nano-catalysts. The preparation method of the oil hydrogenation nano-catalyst disclosed by the invention comprises the following steps: taking nano calcium carbonate as a carrier, enabling an alkaline precipitant to react with a metal salt of a catalytic activity component, and supporting the catalytic activity component onto a carrier. Moreover, a surfactant is added in the preparation process, and an adsorption behavior of reactive metals is influenced due to competitive adsorption between the surfactant and the activated metal ions during a precipitation reaction. Meanwhile, due to the wetting and spreading characteristics of the surfactant, the wetting and penetrating properties of the activated metal salt solution on the carrier are promoted, and the dispersion property of the catalytic activity component on the carrier is excellent, so that the activity of the prepared catalyst is improved.

The invention discloses a preparation process of an ink cartridge and relates to the field of chemical processes. The preparation process comprises the steps of separating the ink cartridge, preparing a cleaning agent and preparing printing ink, wherein the preparation of the printing ink comprises the steps of adding 20% by weight of a colorless fluorescent agent into tea seed oil at the temperature of 30-50 DEG C, uniformly stirring and mixing, adding epoxy resin into a reaction kettle, filling oxygen of 1-2MPa into the reaction kettle, rapidly heating the reaction kettle to 300 DEG C while continuously stirring, reacting for 10min, not introducing the oxygen any more, adding Fischer-Tropsch wax and organic siloxane, scattering a pigment with particle size of 10-100nm into an epoxy resin molten solution in 1-3 times, mixing for 20-30min, reducing the temperature to be 80-100 DEG C, adding a dye, a colorless fluorescent agent solution, flaxseed oil, paraben and corn starch, uniformly mixing, adding a vitamin c saturated water solution and butyl alcohol and stirring at 1000r / min for 20min. According to the preparation process disclosed by the invention, the ink cartridge is divided into two parts, namely an ink cartridge box and a cleaning box, and after the printing ink is used up, the ink cartridge can be cleaned, so that the quality of the filled printing ink is ensured and the waste ink cartridge can be prevented from polluting an environment.