38 results about "Iodine value" patented technology

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 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.

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.

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.

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.

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.

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 invention relates to the technical field of water treatment, and discloses a water purification method for removing micro-plastics in water through photocatalysis-activated carbon synergism, which comprises the following steps: S1, preparation of functional composite particles: raw materials: activated carbon particles (the particle size is 0.5-2mm, the specific surface area is greater than or equal to 800m < 2 > / g, and the particle size is 0.5-2mm); the iodine value is greater than or equal to 1000mg / g), the photocatalyst precursor is selected from one or more of graphite phase carbon nitride g-C3N4, bismuth vanadate BiVO4 and titanium dioxide TiO2, and the transition metal salt is selected from one or more of ferric nitrate Fe (NO3) 3, copper sulfate CuSO4 and ferrous chloride FeCl2. A photocatalyst is directionally loaded on the surface of activated carbon through a silane coupling agent, a space coupling structure of'activated carbon adsorption of microplastics-photocatalyst in-situ degradation 'is formed, the microplastics are directly contacted with the photocatalyst (the contact distance is less than 10 microns) after being enriched by the activated carbon, and the problem of separation of the microplastics and the photocatalyst in a traditional mixed system is avoided.

The purpose of the present invention is to provide a method for suppressing an increase in the acid value of an oil and fat composition for cooking, wherein the increase is associated with deterioration of oil or fat in the composition. An oil and fat composition for cooking is provided, the composition comprises: an edible oil and / or an edible fat; and an emulsifier. The emulsifier is a polyglycerol fatty acid ester, and has an acid value of 7 or less. The polyglycerol constituting the polyglycerol fatty acid ester has an average degree of polymerization of 2 or more. The emulsifier has an iodine value of 70 or more, and an alkali metal content of 500 ppm or more. The oil and fat composition comprises the emulsifier in an amount of 0.01-5 mass%.

The utility model discloses a waste gas treater for advanced treatment, which comprises a treatment main machine, an activated carbon box is arranged at an air outlet of the treatment main machine, and columnar activated carbon with the iodine value of 200-800 is arranged in the activated carbon box; and the length of the columnar activated carbon is 6 to 10 mm. According to the utility model, the activated carbon box is additionally arranged at the rear part of the air outlet of the treatment main machine, and columnar activated carbon is filled in the activated carbon box, so that residual pollutants can be deeply adsorbed, and VOCs (Volatile Organic Compounds) can be efficiently removed; the porous structure of the activated carbon can adsorb volatile organic compounds (such as benzene, methylbenzene, formaldehyde and the like), and particularly has a remarkable effect on low-concentration or refractory organic matters; fine particles can be captured, aerosol, heavy metal (such as mercury vapor) and the like can be adsorbed, and the defects of front-stage treatment (such as dust removal and washing) are overcome; and the activated carbon has strong adsorption capacity on foul gases (such as hydrogen sulfide and ammonia gas) containing sulfur, nitrogen and the like, so that the quality of surrounding air is obviously improved.

The present invention provides a rubber composition, containing 10 parts by mass or more and 90 parts by mass or less of a rubber-like polymer having an iodine value of 10 to 200 (g / 100 g), a content of an ethylene structure of 3% by mass or more, a content of an aromatic vinyl monomer block of less than 10% by mass, and a content of a conjugated diene monomer unit of 2% by mass or more; 10 parts by mass or more and 90 parts by mass or less of a natural rubber; and 20 parts by mass or more and 80 parts by mass or less of a silica-based inorganic filler and a carbon black, with respect to 100 parts by mass of a total amount of a rubber component.

This invention relates to an online monitoring and closed-loop control system for trans fatty acid content in hydrogenated oils, applied in the field of oil hydrogenation processing technology. The system includes a sampling pretreatment unit, a spectral detection unit, a control unit, and a hydrogenation execution unit. The sampling pretreatment unit processes high-temperature, high-pressure solid-containing materials, outputting uninterrupted test data. The spectral detection unit incorporates a quantitative prediction model for trans fatty acids and iodine value, outputting content data in real time. The control unit constructs a multi-parameter coupled collaborative control model with trans fatty acids as the first priority and iodine value as the second priority, outputting control commands. The hydrogenation execution unit adjusts hydrogen flow rate, stirring rate, and reaction temperature, forming a fully closed-loop feedback control chain. This invention achieves online real-time monitoring and precise closed-loop control of trans fatty acids, overcoming the industry bottleneck of traditional offline detection's lag and inability to suppress trans fatty acid formation, significantly improving product safety and process stability.

Provided are: a curable resin having excellent adhesion to a metal foil and good electrical characteristics and heat resistance; a method for producing the curable resin; a curable resin composition containing the curable resin; a prepreg; the curable resin has at least an alpha-olefin structure represented by formula (1), and has an iodine value of 70 or more and a weight-average molecular weight Mw of 2500 or more. In formula (1), R1 each independently represents a C1-10 hydrocarbon group or haloalkyl group, p1 represents a real number of 0-4, and * each represents a bonding position.

A method for dedusting a fibrous insulation product using an epoxidized vegetable oil, such as epoxidized soybean oil, having a iodine value less than 10 cg I2 per gram and an oxidation exotherm by pressure differential scanning calorimeter of less than 500 joules / gram at an oven temperature of 130° C. 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 epoxidized vegetable oil prior to the binder composition being cured.

The invention relates to the technical field of catalysts, in particular to a monomer acid hydrogenation catalyst (Pd-Co bimetallic supported catalyst) as well as a preparation method and application thereof. The catalyst takes activated carbon and a molecular sieve as a composite carrier, and palladium and cobalt bimetals as active components; wherein the loading capacity of Co is 5%-10%, and the loading capacity of Pd is 0.25%-0.5%. Compared with the prior art, the bimetallic catalyst has the advantages that the catalytic activity can be remarkably improved, the iodine value of a monomer acid hydrogenation product is reduced, and meanwhile, the molecular sieve carrier structure of the bimetallic catalyst can convert and remove stearic acid lactone which is difficult to remove in the monomer acid in the hydrogenation reaction process.

The invention is applicable to the technical field of food quality safety nondestructive testing, and relates to a crude fish oil quality nondestructive testing method based on a fusion spectrum technology, which comprises the following steps: collecting crude fish oil with different qualities and oxidation degrees, and testing indexes such as acid value, peroxide value and iodine value of the crude fish oil with different qualities; collecting Raman spectrum information of different wavelengths of the crude fish oil by using a visible light band laser and a near-infrared band laser respectively; the method comprises the following steps: carrying out smoothing, baseline reduction, normalization and other processing on a multiband Raman spectrum, carrying out data fusion of a data level, carrying out spectral signal correction by adopting derivative preprocessing on the basis, and respectively establishing PLSR prediction models aiming at an acid value, a peroxide value and an iodine value for the processed data; the detection method provided by the invention improves the accuracy of nondestructive detection of the quality of the crude fish oil in production and storage, and is of great significance to rapid evaluation of the quality of the crude fish oil.

Solid laundry fabric softening compositions for laundry applications of use are disclosed. In particular, solid laundry fabric softening compositions combining quaternary dialkyl actives with low iodine values and silicone provide softness without causing any significant yellowing or loss of water absorption or wicking to the treated linen. The solid laundry fabric softening compositions can be provided as a multi-use block having uniform dispensing rates and without block sloughing. Beneficially, the combination of processing aids for solidification comprising one or more of (A) polyethylene glycol and an acidulant, (B) a surfactant and an acidulant, or (C) polyethylene glycol, a surfactant and an acidulant, are combined with the quaternary ammonium compounds and silicone to provide the stable solid composition.

This invention provides a composite filter media and oil removal method for removing oil from an extraction system. The composite filter media comprises a layered quartz sand filter layer and an activated carbon filter layer, with the activated carbon filter layer located at the bottom of the quartz sand filter layer. The volume ratio of the quartz sand filter layer to the activated carbon filter layer is (1-3):1. The quartz sand filter layer contains quartz sand material with a SiO2 content ≥98wt%. The activated carbon filter layer contains activated carbon material with an iodine value ≥800mg / g. This invention's composite filter media, by employing a layered structure of upper quartz sand and lower activated carbon, and by controlling the filter layer volume ratio, the SiO2 content in the quartz sand material, and the iodine value of the activated carbon material, achieves graded interception and deep adsorption of floating oil, emulsified oil, and dissolved oil in the extraction system.

To provide an oil and fat composition capable of imparting crunchy texture and melt-in-the-mouth feeling like when butter is used for a bakery product, and improving the texture and flavor of the bakery product.SOLUTION: The fat or oil composition of the present invention contains triacylglycerol in which three fatty acid molecules are ester-bonded to one glycerol molecule, and satisfies the following formulae (1) to (5). 25 ≤ [iodine value] ≤ 45 Formula (1): 10.0 mass% ≤ [lauric acid content (mass%) in constituent fatty acids] ≤ 30.0 mass% Formula (2): 5.0 mass% ≤ [POP, total content (mass%) of POS and SOS ≤ 10.0 mass% Formula (4): 0.8 ≤ [(content (mass%) of triacylglycerol in which total number of carbon atoms of fatty acids constituting triacylglycerol molecule is 34 to 38) / (content (mass%) of triacylglycerol in which total number of carbon atoms of fatty acids constituting triacylglycerol molecule is 40 to 42)] ≤ 1.5 Formula (5): 1.5 ≤ [(total content (mass%) of POP, POS, and SOS) / (total content (mass%) of PPO, PSO, SPO, and SSO)] ≤ 3.0 SELECTED DRAWING: None

Clear, stable concentrated liquid compositions are disclosed that comprise from 30% to 90% by weight of an esterquat active, and from 10% to 50% by weight of a particular solvent system. The esterquat active is the quaternized reaction product of a fatty acyl source having an Iodine Value of 40 to 130 reacted with an alkanolamine at a fatty acyl to alkanolamine molar ratio of 1.0:1 to 2.2:1. The concentrated liquid compositions have a VOC content of less than 5%, a Biorenewable Carbon Index (BCI) of at least 20 and a viscosity of less than 5000 cP at 25° C. The concentrated liquid compositions can be easily diluted in water to form stable aqueous dispersions.

The utility model relates to a device for pre-removing an organic phase from a cobalt chloride solution by using activated carbon, belonging to the technical field of hydrometallurgy. The bottom of the solution tank is of a conical structure, a supporting screen for supporting activated carbon is installed at the bottom of the solution tank, the activated carbon is filled at the bottom in the solution tank, the activated carbon is 8-50-mesh irregular granular coconut shell granular activated carbon, the moisture content is smaller than or equal to 10%, and the new standard iodine value is larger than or equal to 900; a grating plate is transversely installed in the middle of the solution tank and used for delaying the downward flowing speed of liquid and reducing the speed that granular activated carbon escapes upwards. The stirring device is transversely installed on the side wall of the solution tank and located between the grating plate and the activated carbon filling layer, the heating coil is installed on the conical curved surface of the bottom of the solution tank, a liquid inlet pipe is arranged at the top of the solution tank, a liquid outlet pipe is arranged at the bottom of the solution tank, and the bag filter is installed on the liquid outlet pipe. The activated carbon penetrating through the blocking screen is prevented from being mixed into the solution, so that the filtering and blocking effects are ensured.

The present invention relates to an oil and fat composition that contains a sucrose fatty acid ester having a hydrophilic lipophilic balance (HLB) value of 1 to 9, a dairy component, a saccharide, and an oil and fat, wherein the content ratio of the dairy component is 10 mass% or more, and the iodine value of the oil and fat is 50 or more.

Provided is a process oil for rubber, said process oil containing at least 25 mass% of an ester compound (A), wherein the ester compound (A) has a dynamic viscosity of 5.0 mm2 / s or higher at 100°C and a hydroxyl value of 5.0 mgKOH / g or less. The ester compound (A) preferably has an iodine value of less than 2.5 g I2 / 100g. Furthermore, the ester compound (A) preferably has a (poly)glycerin skeleton.

This invention discloses a functional oil wax for cosmetics, its preparation method, and its application, relating to the field of cosmetic technology. By weight percentage, it comprises: solid or semi-solid plant oils at 25°C; liquid plant oils with an iodine value greater than 100gI2 / 100g; liquid plant oils at 25°C; natural waxes with a melting point of 60-85°C; phytosterols and / or ceramides; oil-soluble antioxidants; natural emulsifiers with an HLB value less than 7; and liquid plant oils at 25°C with a peroxide value less than 5mmol / kg. Through the synergistic compounding of multiple components, a comprehensive balance is achieved in the oil wax in terms of structural strength, oxidative stability, skin feel, and barrier repair function. Furthermore, the preparation process, through stepwise mixing and temperature-controlled crystallization, regulates the microstructure, resulting in a product with a delicate texture and stable performance, suitable for various high-end skin care cosmetics.

The present invention relates to a whippable liquid milk cream composition containing 13 to 28 wt.% milk fat, said composition comprising: 35 to 60 wt.% milk cream, preferably having a milk fat content of between 38 to 46 wt.% of the milk cream by weight; 0.05 to 0.40 wt.% of a first emulsifier comprising a monoglyceride and / or a diglyceride of a fatty acid having an iodine value of less than 10; 0.1 to 0.35 wt.% of a second emulsifier comprising a monoglyceride and / or a diglyceride of a fatty acid having an iodine value of 40 to 80; 0.05 to 0.15 wt.% of a third emulsifier comprising a monoglyceride and / or a diglyceride of a fatty acid having an iodine value of 85 to 150; 0.4-1.2 wt.% of a fourth emulsifier selected from the group consisting of lactic acid esters of monoglycerides and / or diglycerides of fatty acids, acetic acid esters of monoglycerides and / or diglycerides of fatty acids, and mixtures thereof; 20-58 wt.% of water, milk or a mixture thereof; and wherein the first, second, third and fourth emulsifiers are different from each other wherein the weight percentages are based on the total weight of the whippable liquid dairy cream composition.

Provided is a binder for positive electrodes, which, when used to produce an electrode for an electrochemical element, is capable of providing a conductive material dispersion liquid with excellent viscosity characteristics (dispersibility) and stability. The peel strength of the manufactured electrode, the output characteristics and cycle characteristics of the electrochemical element, and the crack suppression effect of the electrode active material after the cycle test can be improved. This binder for positive electrodes is obtained by dissolving or dispersing a hydrogenated nitrile rubber in N-methylpyrrolidone (NMP), said hydrogenated nitrile rubber containing nitrile group-containing monomer units, conjugated diene monomer units and / or alkylene structural units, having a weight-average molecular weight (Mw) of 1,000-1,000,000, an iodine value in the range of 0.1-100 mg / 100 mg, containing a phenolic antioxidant, and having a palladium (Pd) content of 50 ppm or less. The content of calcium (Ca) ranges from 1 ppm to 2000 ppm.

The present invention provides a briquette of a rubber-like block copolymer satisfying the following conditions 1 to 6: Condition 1: the content of a vinyl aromatic monomer unit is 9 mass% or more and 50 mass% or less; Condition 2: the proportion of a vinyl aromatic monomer block is 3 mass% or more and less than 30 mass%; Condition 3: the iodine value is 3 to 250; Condition 4: the proportion of an ethylene structure is 3 mass% or more; Condition 5: the weight average molecular weight is in the range of 80,000 to 1,000,000; and Condition 6: at least one block at the molecular terminal is a specific block I or a block II.

The present application provides a rubber composition containing: 10 to 90 parts by mass of a rubbery polymer having an iodine value of 10 to 200 (g / 100g), a content of ethylene structure of 3% by mass or more, a content of aromatic vinyl monomer block of less than 10% by mass, and a content of conjugated diene monomer unit of 2% by mass or more; and 10 to 90 parts by mass of a natural rubber, relative to 100 parts by mass of the total amount of rubber components including the above rubbery polymer and the above natural rubber, containing 20 to 80 parts by mass of a silica-based inorganic filler and carbon black, the content of the above silica-based inorganic filler being 60 parts by mass or less, and the content of the above carbon black being 60 parts by mass or less.

The present application provides a composition for the production of a polymer, the composition comprising (i) an epoxidized oil with an iodine value of at least 100; and (ii) a polymer with multiple epoxide-reactive groups. The composition may further comprise a filler, such as spent coffee grounds. The components are available from renewable or waste 5 feedstocks. Also provided are processes for the production of polymers from the composition, and polymers produced therefrom. Polymer, which may be vitrimer type dynamic thermosets in particular, contain a highly crosslinked polymer network with excellent mechanical properties, while allowing for reversible cross-linking and subsequent thermo-reforming and re-use multiple times. The polymers may be fully plant-derived and 0 compostable, addressing an unmet need for biocompatible and sustainable plastics.