4266results about "Carboxylic acid salt preparation" patented technology

The invention provides a fluorinated surfactant having the general formula:

[R_f—(O)_t—CHF—(CF₂)_n—COO—]_iXⁱ⁺  (I)

wherein R_f represents a partially or fully fluorinated aliphatic group optionally interrupted with one or more oxygen atoms, t is 0 or 1 and n is 0 or 1, Xⁱ⁺ represents a cation having a valence i and i is 1, 2 or 3. The surfactant can be used in emulsion polymerization of fluoromonomers to prepare fluoropolymers.

Personal care compositions containing an active selected from the group consisting of phlorogine, phlorgine BG, deoxyArbutin, sucrose dilaurate, bakuchiol, pyrenoine, millet, arlatone dioic acid, cinnamic acid, ferulic acid, achromaxyl, methyl nicotinamide, oil soluble licorice extract, folic acid, undecylenic acid, zinc undecylenate, L-tryptophan, thiamine HCl, hexylresorcinol, lipidami red vine, dragosine, methyl gentisate, inositol, symdiol 68, laminaine, their salts, their derivatives, their precursors, and/or combinations thereof. Methods for regulating the condition of mammalian keratinous tissue by topically applying the personal care compositions are also provided.

The invention aims to provide a preparation method and application of a porous nano metal organic framework material, and is characterized in that the preparation method comprises the steps: adding a metal ion, an organic ligand, a surfactant and a nanocrystalline guide agent or a reagent forming the nanocrystalline guide agent into a growth medium, forming a framework structure through chemical complexation, crystallizing, filtering, washing, drying, and finally obtaining the porous nano metal organic framework material. The addition amount of the surfactant is 0-30% of the molar concentration of the metal ion; the metal ion is one or more of Cu<II>, Al<III>, Mg<II>, Fe<III>, Ni<II>, Co<II> and Zn<II>; the organic ligand has at least one atom independently selected from oxygen, sulfur and nitrogen and can be subjected to coordinated complexation to the metal ion through the atom. The method not only can effectively suppress the size of MOFs materials, but also easily improves size homogeneity and synthetic efficiency of the product.

An overbased magnesium composition deposit control additive for residual fuel oils and turbine fuels is an overbased magnesium sulfonate, carboxylate or phenate or mixtures thereof containing at least 14% and upwards to about 18% by weight of magnesium and containing a succinic anhydride and lower carboxylic acid co-promoter reaction product. The additive when added to fuel oils, such as residual fuel oils containing high asphaltenes, reduces, if not eliminates, magnesium/asphaltene deposits or sediment and the consequential plugging of filters. The additive also reduces, if not eliminates, vanadium caused corrosion in the turbine. The invention is also the process for preparing the overbased composition or deposit control additive, wherein the overbasing reaction incorporates the combination of a lower carboxylic acid, preferably acetic acid and a succinic anhydride, preferably dodecenyl succinic anhydride (DDSA), as the co-promoter.

The invention relates to an environmental-friendly dust-free calcium-zinc composite heat stabilizer for PVC processing, which comprises the following components: 20 to 80 percent of metallic soap of main stabilizer, 10 to 60 percent of auxiliary stabilizer and 5 to 30 percent of lubricant. The invention also provides a preparation method of the heat stabilizer. The environmental-friendly dust-free calcium-zinc composite heat stabilizer has the advantages of meeting the requirements for environmental protection, along with excellent thermal stability, low cost of production and use, high efficiency and innocuity.

Unique methods have been developed to convert saccharides into value-added products such as alkyl lactates, lactic acid, alkyl levulinates, levulinic acid, and optionally alkyl formate esters and/or hydroxymethylfurfural (HMF). Useful catalysts include Lewis acid catalysts and Brønsted acid catalysts including mineral acids, metal halides, immobilized heterogeneous catalysts functionalized with a Brønsted acid group or a Lewis acid group, or combinations thereof. The saccharides are contacted with the catalyst in the presence of various alcohols.

The invention discloses a method for separating and extracting butane diacid by nano-filtration from a butane diacid zymotic fluid. The method comprises the following steps that: the butane diacid zymotic fluid is subjected to prefiltration, and hyperfiltration under an acidity condition; an hyperfiltration permeate liquid is subjected to nano-filtration under an acidity condition, a nano-filtration permeate liquid is subjected to re-nano-filtration under a neutrality condition; a nano-filtration trapped fluid is subjected to reduced pressure evaporation concentration; and a concentrated solution is subjected to cooling crystallization under an alkalinity condition to prepare succinic acid disodium salt or under an acidity condition to prepare the butane diacid. The method does not use any organic solvent or active carbon in the processes of separation and extraction of the butane diacid or the succinic acid disodium salt, and completes decolorization, purification, desalinization, preconcentration and other processes of the butane diacid in the same nano-filtration separation device. The method has the advantages of mild condition, convenient operation, good selectivity, low cost of raw materials, high product quality, small pollution, and the like, can recover unconsumed substrate of the zymotic fluid, and has wide social and economic benefits.

Disclosed is a process for preparing a treprostinil salt. The process involves the step of dissolving treprostinil in a water-miscible organic solvent to form a treprostinil solution. The treprostinil solution is reacted with an aqueous basic solution containing an alkali metal cation to form treprostinil salt. Allowing crystallization of the treprostinil salt to take place, and then collecting the treprostinil salt formed.

The invention discloses a polymerizable deep eutectic solvent. The polymerizable deep eutectic solvent is obtained by mixing a hydrogen bond acceptor and a hydrogen bond donor at 60 DEG C to 100 DEG C; the mol ratio of the hydrogen bond donor to the hydrogen bond acceptor is not less than 1 to 3. The polymerizable deep eutectic solvent disclosed by the invention can be subjected to polymerization reaction to prepare a macromolecular substance, and a new turn of technical innovation can be brought to the deep eutectic solvent; the knowledge of people that the deep eutectic solvent only has a dissolving effect in processes of preparing and purifying the compound and the like is changed, and an application field of the deep eutectic solvent is greatly expanded.

The invention provides a method of efficiently producing branched, cyclic glycerol-based polyols with a co-product as anti-biodegrading agent from inexpensive readily available glycerol monomer. The method involves polymerizing glycerol or glycerol with at least another monomer to multiple other monomers in the presence of particular amount of a strong base as the catalyst under a particular distillation environment. The polyol produced by the inventive method is beneficial of reducing scales in Bayer liquid for aluminum production process and improving brightness of coated paper substrates without greening effect.

A zinc acrylate particle composition which is substantially fine and, even when kneaded with a rubber composition, is capable of being uniformly dispersed and kneaded in a state very rarely inducing fast adhesion or agglomeration, a method for the production thereof, and a golf ball using the composition are provided. The zinc acrylate particle composition contemplated by this invention comprises zinc acrylate satisfying the conditions that the proportion accounted for by the zinc acrylate particles measuring not less than 300 μm in particle size as determined by the dry type method be not more than 20% by mass of all the particles, that the median of particle sizes as determined by the dry type method be in the range of 10-300 μm, and that the ratio of the median (A) of particle sizes as determined by the dry type method to the median (B) of particle sizes as determined by the wet type method exceed 2, and an anionic surfactant.

The invention relates to a compound represented by formula (I), that is, dimethylamino sphaelactone fumarate, and a use thereof. The compound of formula (I) has the advantages of high stability and low hygroscopicity.

The invention discloses a preparation method and application of gum rosin acid copper. The method for preparing the gum rosin acid copper comprises the following steeps: evenly mixing copper salt with alkali liquor; mixing the obtained mixture into a uniform suspension; then slowly dropping the uniform suspension into a solution consisting of rosin and solvent, wherein in the dropping process, the color of the solution is gradually changed from blue to green, and the exothermic phenomenon is produced, then timely cooling is carried out in time, and the dropping process is completed within 20 to 40 minutes; after the dropping process is completed, raising the temperature of the obtained solution to 70 to 90 DEG C, and then carrying out atmospheric dehydration reaction on the obtained solution by using a water separator (100L); and after the dehydration reaction is completed, filtering the obtained object by using standard filter papers so as to obtain a gum rosin acid copper solution of which the concentration is 20 to 50 percent, then analyzing and detecting the content of the obtained product. The application of the gum rosin acid copper is as follows: the gum rosin acid copper prepared in the invention is used together with medicaments for preventing crop diseases and pests. The invention solves the problems that the existing method for preparing the gum rosin acid copper is complicated, hard to implement and not environmental-friendly, and the application scope of the current gum rosin acid copper is narrow.

The present invention discloses a method for recycling and processing epoxy-ester sewage, relating to a technical method that resources are reclaimed from industrial wastewater to produce chemical products. The technical proposal of the invention is: formic acid sewage generated during the process of epoxy-ester production is treated by oil separating, and then formic acid solution is achieved by reaction with calcium carbonate; and the formic acid solution is further neutralized with calcium carbonate for a plurality of times after sedimentation; coagulant and precipitator are added into the solution to further remove heavy metal and solid impurities, and then is filtered, decolored, evaporated and dried to achieve formic acid powder. The process is applicable to the production of fodder-grade, industrial-grade and other grades of formic acids; besides, the process is characterized in less investment and high yield; and in addition, byproducts such as waste gas and waste water can be reclaimed for reuse. As a result, the reduction of waste water is realized and economic efficiency is improved.

The invention discloses a berberine electrostatic composite and a preparation method of the berberine electrostatic composite, which are applied to medical and health industries. The berberine electrostatic composite is prepared from anionic surfactant and berberine or berberine salt by compositing; the molar ratio of the anionic surfactant to the berberine or berberine salt is 1 to 0.5-10; the molar ratio of anion to the berberine salt is 1 to 1; the anionic surfactant is one or more of alkyl sulfate or alkyl sulfonate or fatty acid salt; the alkyl sulfate is one or more of sodium cholesteryl sulfate, lauryl sodium sulfate and deoxysodium cholate; the alkyl sulfonate is one or more of sodium heptanesulfonate and sodium dodecyl sulfate; the fatty acid salt is one or more of sodium caprate and sodium enanthate, and the berberine and berberine salt are obtained by chemical synthesis or by extracting traditional Chinese medicine. The berberine is prepared into the berberine electrostatic composite to increase the biological membrane penetrating ability of the berberine and improve the oral bioavailability of the berberine, and the berberine electrostatic composite plays a significant treatment role on important chronic metabolic disorder diseases such as diabetes mellitus, complication of the diabetes mellitus, hyperlipidemia and the like.

This invention involves a new kind of compound-the chromate L-threonate which molecular formula is Crn(C4H8-nO5)3 (n=1, 2 or 3). The chromate L-thronate can be applied to a high performance supplement of chromium(III) as well as effective hypoglycemic treatment for those diabetes patients and health care.

A compound of ferrous L-threonate with structure (I), its compostions and methods useful for iron supplementation for mammals, particularly for human body to improve and treat nutritional iron-deficiency anemia, blood loss anemia and hemolytic anemia.

Low melting point organic liquid compounds with high boiling points are prepared by a preferred process having the J^+xQ_y(R—COO⁻)_x-y where x is 1 to 8, preferably 1-3, y is 0 to x−1, where R—COO⁻ is an anion selected from the group consisting of 2-ethyl hexanoate, pivalate, neodecanoate, and mixtures thereof, Q is another anion or mixture of other anions, and J^+x is a cation selected from cations of Groups IA, IIA, IB, IIB, IIIB, IVB, VB, VIB, VIIB, VIII and lanthanide metals, cations selected from cations of B, Si, Ge, As, Sb, Te and Po metalloids, an ammonium cation derived from ammonia or an organic amine, an organic phosphonium cation, and mixtures thereof the organic liquid compounds being substantially free of volatile organic compounds. These compounds, as liquids, are useful as low volatile organic solvents, e.g., solvents in which a variety of chemical reactions may be carried out.