115 results about "Iodine value" patented technology

The invention discloses a high-efficiency fluorite collecting agent and a preparation method thereof. The high-efficiency fluorite collecting agent comprises the following raw materials in parts by weight: 20-45 parts of oleic acid with different iodine values, 5-10 parts of an amidate surfactant, 3-5 parts of inorganic alkali or organic alkali and 10-25 parts of a low-carbon-chain alcohol compound. The amidate surfactant is a nonionic surfactant, the structural general formula of the amidate surfactant is R1-C (O) NH (CH2) nCH2-R2, in the formula, R1 is a hydrocarbon chain containing 12-18 carbon atoms, n is equal to 5-6, and in the formula, R2 is a functional group with a hydrogen bond effect. According to the fluorite collecting agent, the efficient recovery rate of fluorite is guaranteed, meanwhile, the grade of fluorite concentrate is improved to a certain degree, the using amount of the collecting agent is reduced, and the problem that the fatty acid fluorite collecting agent is poor in fluorite concentration efficiency is solved.

The present invention provides a hydrogenated nitrile rubber which is excellent in terms of dispersibility and stability of a conductive material dispersion when an electrode for an electrochemical element is produced, which is excellent in terms of peel strength at an electrode and suppression of active material cracking in an electrode after a cycle test, and which is also excellent in terms of output characteristics of an electrochemical element. A hydrogenated nitrile rubber according to the present invention includes a nitrile group-containing monomer unit, and a conjugated diene monomer unit and / or an alkylene structural unit, has a weight average molecular weight (Mw) within the range from 1,000 to 1,000,000 and an iodine value of 100 mg / 100 mg or less, contains a phenolic antioxidant, and has a calcium (Ca) content from 1 ppm to 2,500 ppm, a ruthenium (Ru) content within the range from 0.5 ppm to 50 ppm, a palladium (Pd) content of 200 ppm or less, a magnesium (Mg) content of 50 ppm or less, and a sodium (Na) content of 300 ppm or less.

The utility model discloses a catalytic hydrogenation reactor for treating a biomass raw material with a high acid value and a high iodine value, and belongs to the technical field of oil product hydrogenation. The catalytic hydrogenation reactor comprises a reactor pressure-bearing container, an inner cylinder, an ash discharge port, a feeding assembly, a reaction assembly and a discharging assembly, the inner cylinder is arranged in the reactor pressure-bearing container, the feeding assembly and the reaction assembly are arranged in the inner cylinder, the reaction assembly comprises a ceramic tube bundle internal part, the discharging assembly is arranged above the inner cylinder, and the discharging assembly is arranged above the inner cylinder. The ash discharge port is formed in the center of the bottom of the reactor pressure-bearing container. By arranging the ceramic tube bundle internal part in the catalytic hydrogenation reactor, on one hand, the ceramic tube bundle internal part serves as a reaction assembly and has certain acid corrosion resistance, and on the other hand, the ceramic tube bundle internal part serves as a solid catalyst carrier, selective hydrogenation of high-acid-value and high-iodine-value biomass raw materials is achieved, the iodine value is effectively reduced, and coking of the high-iodine-value biomass raw materials in the reaction process is avoided; in addition, the acid value is maintained as far as possible while the iodine value is reduced, and the solid catalyst and the catalytic hydrogenation reactor are not corroded, so that the stability of the solid catalyst and the yield of the product are improved.

The invention is applicable to the technical field of toothpaste preparation, and particularly relates to mild stain-removing and whitening toothpaste containing diatomite and coconut shell carbon and a preparation method of the mild stain-removing and whitening toothpaste. The mild stain-removing and whitening toothpaste comprises 9-30% of Changbai Mountain diatomite abrasive, 32-38% of sorbitol, 2-4% of sodium lauroyl silicate, 2-3% of polyethylene glycol 400 and 0.5-2% of coconut shell carbon. The toothpaste is prepared from the following components in percentage by weight: 0.6 to 1 percent of polyvinylpyrrolidone, 0.5 to 0.8 percent of honeysuckle flower extract, 0.5 to 0.7 percent of pseudo-ginseng extract, 0.5 to 0.8 percent of xanthan gum, 0.1 to 0.2 percent of 1, 2-hexanediol, 0.5 to 0.8 percent of essence and water. The diatomite and coconut shell carbon used in the invention are refined natural food-grade raw materials, do not contain chemical components, have low hardness, are suitable for children and sensitive people, and do not damage enamel; the selected Changbai Mountain diatomite and coconut shell carbon with the iodine value of 1500-3000 have a synergistic effect, and the Chinese herbal medicine extract is added to assist in degerming; the adsorption, whitening and deodorizing capabilities of the toothpaste are greatly improved, and the toothpaste can quickly remove stains, whiten and remove bad breath.

The invention discloses a method for preparing tea residue activated carbon for efficient adsorption of ciprofloxacin. The method comprises the following steps: a mixed carbonization step, a centrifugal drying step, an activation step and a rinsing and drying step. The specific surface area of ​​the tea residue activated carbon obtained by the preparation method is between 1700-2100m 2 / g, the iodine value is within 1500-1800mg / g, and the tea residue activated carbon obtained by the preparation method can be used in water containing ciprofloxacin antibiotics to adsorb, degrade and remove ciprofloxacin. The tea activated carbon prepared by this scheme uses tea residue as a raw material, and is prepared into an adsorbent by physical and chemical methods. It has low cost, realizes resource recycling, has high environmental protection and economic value, and has a good adsorption effect on ciprofloxacin.

The invention provides nitrile rubber, a binder composition for a positive electrode of an energy storage device and application of the binder composition. The nitrile rubber contains 20 to 80 wt% of an alpha, beta-ethylenically unsaturated nitrile monomer unit, 20 to 80 wt% of a conjugated diene monomer unit, and 0 to 30 wt% of a cationic monomer unit, and the iodine value of the nitrile rubber is 55 mg / 100 mg or more and 150 mg / 100 mg or less. The binder composition contains the nitrile rubber, and the content of the nitrile rubber is 70 wt% or above based on 100 wt% of the solid content of the binder composition. When the binder composition is used for the energy storage device, the prepared positive electrode has excellent flexibility and penetration resistance, and the energy storage device can exert excellent high-temperature storage characteristics.

The object of the present invention is to provide a conjugated diene polymer composition, which can be used to manufacture rubber compounds such as tire treads, can adjust the glass transition temperature and has a high degree of freedom in mixing, and the rubber compound has an excellent balance between fuel efficiency and wet grip performance after being made into a vulcanizate, and has excellent damage characteristics, changes in breaking strength after heating, and changes in damage resistance when the vulcanization time is extended. A conjugated diene polymer composition, which comprises aromatic vinyl monomer units and conjugated diene polymers (A) and (B) with a specific amount of iodine value, (SP value of (A) - SP value of (B)) is 0MPa 1 / 2 Above 0.8MPa 1 / 2 Hereinafter, |iodine value of (A) - iodine value of (B)| is 100 Ig / 100 g or less, and |glass transition temperature of (A) - glass transition temperature of (B)| is 10° C. or more and 60° C. or less.

The present invention concerns an aqueous radiation-curable polyurethane acrylate dispersion comprising: a) a polyurethane acrylate polymer which is the reaction product of: i) from 10 wt.% to 50 wt.% of an isocyanate monomer; ii) from 5 wt.% to 20 wt.% of a polyunsaturated monomer or polyunsaturated oligomer, which has an iodine value of at least 50 g of I2 / 100g of respectively polyunsaturated monomer or polyunsaturated oligomer, and at least one hydroxyl functional group; iii) from 10 wt.% to 55 wt.% of an acrylate functional oligomer which contains at least one (meth)acrylate group and at least one isocyanate-reactive group; and iv) from 1 wt.% to 10 wt. % of a dispersing agent which contains at least one isocyanate-reactive group and at least one group having a hydrophilizing action; dispersed in b) an aqueous continuous phase; and a coating composition and kit-of-parts with a drying agent; and a coated substrate.

The present disclosure provides adsorbents and adsorbents that improve adsorption of perfluoroand polyfluoroalkyl species (PFAS). The adsorbents and adsorbents have a microstructure effective to adsorb PFAS, as shown in a combination of high volume iodine number and high volume molasses number. Methods of manufacture and methods of use are further provided.

The invention belongs to the field of propolis soft capsules, and provides a propolis soft capsule and a preparation method thereof.The propolis soft capsule is prepared from, by weight, 30%-50% of propolis extract, 40%-60% of modified egg yolk phospholipid and 5%-15% of cosolvent; wherein the modified egg yolk phospholipid is partially hydrogenated, the sn-2 site of the modified egg yolk phospholipid is substituted by branched chain fatty acid, and the iodine value of the modified egg yolk phospholipid is shown in the specification; according to the invention, specifically modified egg yolk phospholipid is used as a core carrier, and the unique molecular structure of the egg yolk phospholipid can be efficiently self-assembled in an oil phase, so that the egg yolk phospholipid has excellent wrapping and solubilizing capabilities on various active components in propolis. The propolis extract can be stably loaded into an oil phase to form a transparent nano-dispersion with small average particle size and low polydispersity index, so that high-efficiency and high-loading oil dissolution of propolis is realized, and a stable nano-dispersion system is formed.

Non-saccharide sweeteners are used in various types of beverages. However, most of non-saccharide sweeteners are accompanied by an unique, unpleasant sweetness or bitterness, or bad aftertaste, and such non-saccharide sweeteners often have problems in terms of flavor.　Provided is a processed oil and fat that satisfies all of the following requirements (A)-(C) for use in a beverage containing at least a non-saccharide sweetener.　(A) An iodine value is 125 or less. (B) A triglyceride composition is randomized. (C) In the constituent fatty acid composition, the total content of a palmitic acid and a stearic acid is 10 wt% or more.

Provided is a hydrogenated nitrile rubber which has excellent dispersibility and stability of a conductive material dispersion when used to produce an electrode for an electrochemical element, has excellent peel strength of the electrode, has an excellent effect of suppressing cracking of an active material in the electrode after a cycle test, and also has excellent output characteristics of the electrochemical element. This hydrogenated nitrile rubber contains a nitrile group-containing monomer unit, a conjugated diene monomer unit and / or an alkylene structural unit, has a weight-average molecular weight (Mw) in the range of 1,000-1,000,000, and an iodine value of 100 mg / 100 mg or less, contains a phenol-based antioxidant, and has a calcium (Ca) content of 1-2500 ppm, a ruthenium (Ru) content of 0.5-50 ppm, a palladium (Pd) content of 200 ppm or less, and a magnesium (Mg) content of 50 ppm or less. And the sodium (Na) content is 300 ppm or less.

This invention discloses a method for preparing high-performance wood wax oil, belonging to the field of coating technology. The raw materials used in this wood wax oil are soybean oleic acid, maleic anhydride, grafting catalyst, glycerol, phthalic anhydride, esterification catalyst, vanadium drier, zirconium drier, carnauba wax, and beeswax. Compared to wood wax oils based on tung oil and linseed oil, the wood wax oil of this invention uses soybean oleic acid as the main material, utilizing maleic anhydride to perform graft copolymerization at the α-position of the carbon-carbon double bond in soybean oleic acid, thereby increasing the iodine value of the resin system. Increased iodine value leads to increased crosslinking points, thus ensuring drying properties and improving the hardness, drying performance, and yellowing resistance of the wood wax oil; weather resistance is significantly improved, and drying time is accelerated; no heavy metal driers such as cobalt and manganese are added, making it environmentally friendly; the preparation process of the wood wax oil of this invention is simple and easy to operate, with low material costs.

Provided is a fraction of an interesterified fractionated fat blend that has a solid fat content (SFC) at 20 °C of about 35.0% to about 70.0%, a SFC at 30 °C of about 30.0% to about 60.0%, and a SFC at 40 °C of about 20.0% to about 45.0%; wherein the fat blend comprises an interesterification product of a pre-interesterification mixture that includes: 25-75 wt% of an edible liquid fat, and 25-75 wt% of a fully hydrogenated edible fat with an iodine value of at most 4.0 and having SFC of greater than or equal to 85.0% at 40 °C. The fraction may be a stearin fraction, an olein fraction, or any combinations thereof.

It relates to a process for production of a fat composition comprising OPO, comprising: i) provision of a deodorized palm oil having an iodine value (IV) of between 51 and 54; ii) random interesterification of the deodorized palm oil to produce IE palm oil, wherein the proportion of palmitic acid at the Sn-2 position out of total palmitic acid of the IE palm oil is at least 25 wt.%; iii) fractionation of the IE palm oil to obtain a stearin fraction having an iodine value (IV) of less than 48, and wherein the proportion of palmitic acid in the Sn-2 position out of total palmitic acid of the stearin fraction is at least 45 wt.%, and iv) acidolysis of the stearin fraction with oleic acid or derivative thereof in presence of lipase to produce the fat composition.

To provide a hydrogenated unsaturated dibasic acid composition exhibiting superior thermal stability, a production method thereof, and a polyester composition and a polyamide composition obtained by reaction of the hydrogenated unsaturated dibasic acid composition.SOLUTION: The present invention provides a hydrogenated unsaturated dibasic acid composition satisfying the following (A) and (B). (A) An iodine value is 55 or more. (B) In a 1H-NMR measurement, a ratio (Olefin Hα / ArHα) of an integral value (Olefin Hα) of a peak corresponding to olefin protons to an integral value (ArHα) of a peak corresponding to aromatic protons is 0.10 or more and 0.80 or less.SELECTED DRAWING: None

The application discloses a high-efficiency fluorite collecting agent and a preparation method thereof, and comprises the following raw materials in parts by weight: 20-45 parts of oleic acid with different iodine values, 5-10 parts of amide surfactant, 3-5 parts of inorganic alkali or organic alkali, and 10-25 parts of low-carbon-chain alcohol compounds; the amide surfactant is a non-ionic surfactant, and a general structure of the amide surfactant is R1-C(O)NH(CH2) n CH2-R2, wherein R1 is a carbon-hydrogen chain with 12-18 carbon atoms, n=5-6, and R2 is a functional group with hydrogen bond effect. The fluorite collecting agent can ensure high fluorite recovery rate, improve the grade of fluorite concentrate to a certain extent, reduce the amount of the collecting agent, and solve the problem of low fluorite concentration efficiency of the fatty acid fluorite collecting agent.

The invention provides a method for preparing industrial stearic acid by using an OPO distillation byproduct. The invention relates to a method for preparing industrial stearic acid by using an OPO distillation byproduct, which comprises the following steps: carrying out vacuum degassing on the OPO distillation byproduct, and filtering to obtain a byproduct liquid; performing catalytic hydrogenation reaction on the by-product liquid by using a catalyst to obtain a first material, wherein the iodine value of the first material is less than or equal to 0.5 g / 100g; wherein the mass ratio of the catalyst to the byproduct liquid is (0.01-0.05)%: 1; adding metered C18 fatty acid or C16 fatty acid according to the composition proportion of the fatty acid in the first material until the mass ratio of the C18 fatty acid to the C16 fatty acid in the obtained second material is (1-3): (1-3); and decolorizing the second material to obtain the industrial stearic acid. With the adoption of the method, the industrial stearic acid with relatively high purity can be prepared; the yield of the industrial stearic acid prepared by the method is relatively high; by the adoption of the method, resource recycling can be achieved, and meanwhile discharge of solid waste and waste liquid is reduced.

The utility model discloses a portable activated carbon iodine value detection device, which belongs to the technical field of detection instruments and comprises an iodine solution container, a smashing and stirring container is in threaded connection with the lower portion of the iodine solution container, a titration container is in threaded connection with the lower portion of the smashing and stirring container, and a handle is fixedly connected with the upper portion of the iodine solution container. The iodine solution container, the crushing and stirring container and the titration container are connected together through threads, so that the device integrates multiple functions, the detection process is simplified, the miniaturization of detection equipment is realized, the detection device has portability, detection personnel can conveniently carry out field detection, a sample does not need to be taken back to a laboratory for detection, and the detection efficiency is improved. The detection time is shortened, the iodine solution switch capable of controlling the outflow dosage of the solution and the baffle are arranged in the iodine solution container, accurate control over the adding amount of the iodine solution is achieved, compared with traditional adding through a dropper, operation is more convenient and faster, and meanwhile waste of the iodine solution is avoided.

In the present invention, an object is to provide a hydrogenated unsaturated dibasic acid composition having excellent thermal stability, a method for producing the same, and a polyester composition and a polyamide composition obtained by reacting the hydrogenated unsaturated dibasic acid composition. 【Means for Solving the Problem】 The present invention is a hydrogenated unsaturated dibasic acid composition satisfying the following (A) and (B). (A) The iodine value is 55 or more. (B) 1 In 1H-NMR measurement, the ratio (Olefin Hα / ArHα) of the integral value (Olefin Hα) of the peak corresponding to the olefin proton to the integral value (ArHα) of the peak corresponding to the aromatic proton is 0.10 or more and 0.80 or less.

To provide an active energy ray-curable composition using a bio-based organic wax having excellent curability, leveling properties, and small environmental load.SOLUTION: There is provided an active energy ray-curable composition which comprises a bio-based organic wax and a (meth)acrylate compound, wherein the bio-based organic wax has a melting point of 40°C or more, the bio-based organic wax has an iodine value of 1 or more, and when the specific gravity of the methacrylate compound is defined as A and the specific gravity of the bio-based organic wax is defined as B, A-B>0.11.SELECTED DRAWING: None

The invention discloses a preparation and research method of Qinghai characteristic blend oil, which comprises the following steps: step 1: by taking rapeseed oil, yak ghee and linseed oil as raw materials, carrying out function optimization to obtain animal and plant blend oil according to the blending proportions of 65.83% of rapeseed oil, 33.06% of linseed oil and 1.11% of yak ghee; and step 2, after optimization, blending to obtain an oleic acid value, a peroxide value, an iodine value, a saturated fatty acid content value and a ratio of monounsaturated fatty acid to polyunsaturated fatty acid of the animal and plant blend. The blend oil prepared by the invention has good thermal stability, can regulate fatty acid synthesis, fatty acid oxidative catabolism and cholesterol metabolic pathways through a regulation mechanism to reduce the fatty acid content in mice, improve the liver fat deposition of high fat diet mice, and improve the immunity of the mice. Theoretical basis and data support are provided for blending the animal and plant blend oil with balanced nutrition, and reference is provided for research and development of the animal and plant blend oil in the future.

The object of the invention is to provide a treatment agent for synthetic fibers that can achieve both a reduction in the amount of thermally degraded material and suppression of tension fluctuations. A method for producing a synthetic fiber treatment agent that contains a nonionic surfactant (B) having a polyoxyalkylene skeleton without ester bonds and an ester component (A), and satisfies specific conditions 1 and 2, wherein the ester component (A) comprises at least one selected from an ester compound represented by general formula (1) and a compound having a structure in which polyoxyalkylene glycol and a fatty acid are ester-bonded, the nonionic surfactant (B) comprises a nonionic surfactant (B1) having an alkyl group having 12 to 15 carbon atoms, and the proportion of the nonionic surfactant (B) in the nonvolatile content of the treatment agent, the strong acid value, saponification value, iodine value, content of Zr and Ti elements, content of K and Na elements, and content of Si element are within specific ranges.

Provided is a water permeability-imparting agent which imparts excellent stability of water permeability over time to fibers and has excellent handleability.　Provided is a water permeability-imparting agent includes a nonionic surfactant (N) and at least one selected from an anionic surfactant (S) having elemental S and an anionic surfactant (P) elemental P, a nonvolatile component of the water permeability-imparting agent having an iodine value of 0.5-100 g I2 / 100 g and an acid value of 0.5-100 mgKOH / g. The water permeability-imparting agent includes an active agent (P), and the active agent (P) preferably includes necessarily a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), and includes optionally a compound (C) represented by general formula (3).

The invention provides a frozen confection product comprising oil bodies and from 2 to 35 wt% total fat; at most 15 wt % protein; and from 5 to 40 wt% sugars; wherein at least 25 wt% of the fat is present as oil bodies; and wherein the oil in the oil bodies has an iodine value of less than 100 and comprises at least 45% C18:1 fatty acids.

A method for dedusting a fibrous insulation product using a fatty acid ring-opened and fatty acid esterified epoxidized vegetable oil, having an iodine value less than 50 cg I2 per gram and an oxidation exotherm by pressure differential scanning calorimeter of less than 1000 joules / gram at an oven temperature of 130ºC and an oxygen inlet pressure of 500 PSIG. The fibrous insulation product typically is made with a binder composition that is applied to mineral fibers in addition to the fatty acid ring-opened and fatty acid esterified epoxidized vegetable oil prior to the binder composition being cured. The starting epoxidized vegetable oils comprise epoxidized soybean oil and epoxidized corn oil.

The invention relates to the technical field of diesel oil preparation, in particular to a preparation method of environment-friendly diesel oil with an ultralow condensation point. Comprising the following steps: step 1: raw material pretreatment: S1.1, raw material component screening and proportion determination (in percentage by mass): a basic component: hydrofined diesel oil fraction (straight-run diesel oil is subjected to hydrodesulfurization / dearomatization, the distillation range is 180-360 DEG C, the sulfur content is less than or equal to 5 ppm, the aromatic hydrocarbon content is less than or equal to 10%, and the cetane number is more than or equal to 50), and the proportion is 60-70 wt%; the bio-based pour point depressing component comprises 10-15 wt% of rapeseed oil methyl ester biodiesel (the acid value is less than or equal to 0.5 mgKOH / g, the moisture is less than or equal to 0.05 wt%, and the iodine value is 100-120 gI / 100 g); the modified synthetic ester pour point depressant is a pentaerythritol fatty acid ester-polymethacrylate grafted copolymer (the number-average molecular weight is 8000-12000, and the ester content is 40-50 wt%); the condensation point of the finished diesel oil is less than or equal to-45 DEG C, the cold filter plugging point is less than or equal to-38 DEG C, the low-temperature fluidity is excellent, the finished diesel oil is suitable for all-weather use in-45 DEG C alpine regions, the sulfur content is less than or equal to 5ppm, the aromatic hydrocarbon content is less than or equal to 15%, the cetane number is greater than or equal to 52, the national VII diesel oil standard is completely met, and the particulate matter emission after combustion is reduced by 18%

The present disclosure provides adsorbents and adsorbents that improve the adsorption of per- and polyfluoroalkyl substances (PFAS). The adsorbents and adsorbents have a microstructure that effectively adsorbs PFAS, as shown by a combination of a high volumetric iodine number and a high volumetric molasses number. Further provided are methods of manufacture and methods of use.

To provide a hair cosmetic composition that can realize a finish having both moist weight and softness of hair.SOLUTION: A hair cosmetic composition of the present invention contains components (A) oily component, (B) polyhydric alcohol and (C) cationic surfactant, where the component (A) is a combination of an oily component (A1) having an iodine value 35 or more and an oily component (A2) having an iodine value of less than 35, where a content mass ratio [(A2) / (A1)] of the component (A2) for the component (A1) may be 0.2 to 12, and this constitution can realize a finish having both moist weight and softness of hair.SELECTED DRAWING: None

The invention provides a fried fish block and a preparation method thereof. According to the preparation method of the fried fish blocks, the antioxidant capacity of a sample is remarkably enhanced by the spice extract; the peroxide value and the thiobarbituric acid value of the clove extract group are reduced to the maximum extent and are 63.55% and 86.67% respectively; the iodine value of the rosemary extract group is the highest and is 29.22 g / 100g; and the clove extract and the rosemary extract have obvious inhibition effects on lipid oxidation of the fried fish blocks. The content of olefin and heterocyclic compounds is increased by the spice extract, and the content of saturated aldehyde and acid compounds contributing to generation of bad flavor is remarkably reduced; wherein the clove extract endows the fried fish blocks with more faint scent and baking fragrance, and the total sensory acceptance is relatively high. The deep-fried fish blocks added with the 1% clove extract have the best sensory score, and the deep-fried fish blocks and the spices are relatively harmonious in flavor. The invention provides a theoretical basis for the application of the spice extract in grease hot-processed aquatic products.