672 results about "Octanoic Acids" patented technology

Antimicrobial solutions formed by ozonating a liquid containing organic precursor molecules. The preferred organic precursor molecules include carboxylic acids, most particularly octanoic acid with or without acetic acid, and alcohols, most particularly at least about 70 weight percent ethanol. The ozonating step is preferably performed on the liquid containing the, organic precursors before diluting with water or other solvent to form a use solution for contacting and cleaning a microbially contaminated surface or other medium.

The present invention provides a liquid ester composition which is obtained by esterifying a branched isostearic acid such as 2-(1,3,3-trimethyl)butyl-5,7,7-trimethyl octanoic acid with dipentaerythritol, and said liquid ester composition having a viscosity at 25° C. of 100,000 to 2,000,000 mPa·s; hydroxyl value of 10 to 160; and cloud point of less than 5° C. This liquid ester composition has pigment dispersibility and hydrating ability that polybutene, which is one of the raw materials of oil compositions for cosmetic compositions, does not have, together with their abilities to sustain feeling of cosmetic film and improve gloss and moisture feeling of cosmetic compositions and shape retaining ability of lipsticks and the like equal to those containing polybutene.

A chip module apparatus includes one or more chips electronically connected to a substrate by controlled collapse chip connection (C4) solder joints. A thin cast polymer barrier layer is cast from solution and covers the C4 solder joints. The chips are enclosed within a cavity that includes a gaseous environment. The cast polymer barrier layer is exposed to, and protects the C4 solder joints from, the cavity's gaseous environment. Accordingly, the cast polymer barrier layer is able to protect the C4 solder joints from corrosion caused by corrosion inducing components (e.g., carbon dioxide, moisture, octanoic acid, etc.) present in the cavity's gaseous environment. To provide reworkability, the cast polymer barrier layer is thermally stable at least to the reflow temperature of the C4 solder joints and has a decomposition temperature below that of the substrate, and preferably has a melting point above the reflow temperature of the C4 solder joints.

The invention relates to a non-aqueous coolant for an engine, which is characterized by comprising the following components in percent by weight: 10-80 percent of ethylene glycol, 10-80 percent of propylene glycol, 5-20 percent of polyol, 0.1-0.8 percent of phosphate-molybdate, 0.2-0.9 percent of silicate ester, 0.1-1 percent of 4-methyl 1H-benzotriazole, 0.2-0.8 percent of citric acid, 0.2-1 percent of sebacic acid, 0.1-1 percent of octanoic acid, 0.4-1.2 percent of citrate and 0.01-0.2 percent of cosolvent. The non-aqueous coolant has freezing point of -30--50 DEG C and boiling point of 130-150 DEG C, and ensures that the cold start of the engine is realized in cold weather; meanwhile, the working temperature of the engine is improved to 95-150 DEG C from the original 85-95 DEG C. The non-aqueous coolant belongs to a non-aqueous system, avoids electrochemical corrosion, and is a buffer system with pH of 7.5-9.5; and the added relevant auxiliaries have active corrosion resistance on aluminum and aluminum alloy and copper.

The invention relates to duck plague yolk antibody freeze-dried powder, which comprises the following components in percentage by weight: 87 to 90 percent of duck plague yolk antibody, 0.8 to 1.0 percent of octanoic acid, 0.2 to 0.3 percent of formaldehyde, 0.01 to 0.02 percent of thimerosal, 3 to 4 percent of glucose, 1 to 2 percent of sorbitol, 2 to 3 percent of glycine and 2 to 3 percent of mannitol. The freeze-dried powder has the advantages of long storage time, quick dissolution, high antibody valence and high bioactivity, and the purity of the antibody of the freeze-dried powder is higher than that of the conventional product in market. The invention also discloses a preparation method for the duck plague yolk antibody freeze-dried powder. The preparation method comprises the following steps of: separating strains to prepare vaccines, immunizing healthy ducks to obtain high-immunity eggs, performing sterilization, acidification, octanoic acid treatment, refining, extraction, purification, preparation, freeze drying and the like on the high-immunity eggs, and thus obtaining the duck plague high-immunity yolk antibody freeze-dried powder. According to the preparation method, yolk liquid is heated by using the temperature of pasteurization during acidification and water treatment, so that a sterilization effect is achieved, and the recovery rate of the antibody and the clarity of the solution during acidification can be improved at the same time; and the prepared yolk antibody has the advantages of high bioactivity, long storage time, retarded valence reducing speed and the like.

The invention provides an esterification method of pentaerythritol, which comprises the following step: under the action of a tin catalyst, carrying out esterification reaction on pentaerythritol and saturated fatty acid to obtain pentaerythritol ester, wherein the saturated fatty acid is one or more of butyric acid, valeric acid, hexanoic acid, heptylic acid, octanoic acid, pelargonic acid and capric acid. The esterification method provided by the invention has the advantages of higher product yield, higher product quality, simple esterification after-treatment and low pollution. The experimental result indicates that the conversion rate of the esterification reaction is greater than 99.5%, and the hydroxyl value in the reaction product is lower than 1mg KOH/g.

The invention discloses a preparation method for thermoset high temperature resistant methyl phenyl silicone resin, which relates to the technical field of resin preparation and comprises the steps of utilizing toluene or dimethylbenzene or mixed solution of the toluene and dimethylbenzene to serve as a solvent, utilizing methyl trichlorosilane, dichlorodimethylsilane and methylphenyldichloros as monomer raw materials, dropping mixed solution of acetone and water into the raw materials under the condition of ice-water bath, ensuring that the dropping is finished within 3-5 hours, obtaining a prepolymer of the methyl phenyl silicone resin, performing condensation and curing on the obtained prepolymer above 150 DEG C after pressure of the prepolymer is reduced and the prepolyme is concentrated, the adopted condensation catalyst is caprylate or naphthenate, particularly is stannous octoate, zinc isoocatanoate, cobalt naphthenate and dibutyltin dilaurate. The resin is semi-transparent hard or elastic solid, can not be dissolved or fused, and can be resistant to high temperature above 200 DEG C, and can be used as silicon rubber or a plastic filler.

A high-molecular mPEG-PLGA-mPEG (PELGE) used as the axcessory of injection, oral-applied medicine, and the water-soluble medicine or the medicine difficult to dissolve in water is an amphipathic three-block copolymer, which is prepared from stannous octoate as catalyst, diisocyanate as coupling agent, polyethene glycol with single terminated end, glycollide, and lactide or polylactic acid-glycollic acid copolymer.

The invention discloses a method for preparing sodium, 8-(2-hydroxybenzamido)octanoate which is a drug intermediate. The method comprises the following steps of reacting salicylamide, which serves as a raw material, with ethyl chloroformate to produce an intermediate 2H-benzo[e][1,3]oxazine-2,4(3H)-dione, reacting the intermediate with 8-bromooctanoic acid ethyl ester, carrying out hydrolysis so as to obtain 8-(2-hydroxybenzamido)octanoic acid, and then, reacting 8-(2-hydroxybenzamido)octanoic acid with sodium hydroxide so as to obtain the final product, namely sodium, 8-(2-hydroxybenzamido)octanoate. According to the method, the raw material reacts with ethyl chloroformate to produce the intermediate 2H-benzo[e][1,3]oxazin-2,4(3H)-dione, so that the yield of the reaction is greatly increased, the selectivity of reaction is greatly improved, the production cost is reduced, the production of byproducts is lowered, industrial production is facilitated; and the method is environment-friendly.

A lubricant composition useful for high temperature applications is provided comprising at least one polyol polyester derived from the reaction product of a neopentyl polyol with 5,7,7-trimethyl-2-(1,3,3-trimethylbutyl)-octanoic acid. The lubricants have low evaporation loss, high resistance to oxidation, and provide reduced deposits when utilized alone or in combination with other materials.

The invention relates to a precured resin coated propping agent and a preparation method thereof. The precured resin coated propping agent comprises an aggregate and a resin membrane which coats resin outside the aggregate; the resin membrane includes a resin membrane comprising an antistatic agent and is characterized in that the antistatic agent comprises acetylene black and one or variety selected from the group formed by isocaprylic acid, octanoic acid or naphthenic acid of the metals like Fe, Co, Cu, V, Cr and Sn with a plurality of valence states. The precured resin coated propping agent has excellent antistatic conduction performance and the water resistance thereof is greatly improved; the percentage of damage of the propping agent after being dipped into water is greatly reduced; the consumption of the resin is less and the intensity of the coated propping agent is high.

The invention relates to a gas phase antirust coating, the components of the combination account according to parts by weight, and the scope is as follows: 8 to 25 parts of acrylate modified alkyd resin, 5 to 20 parts of 2402 phenolic resin, 0 to 15 parts of petroleum sulfonate barium, 0 to 25 parts of oxidized malthenes magnesium soap, 0 to 5 parts of dodecatylene base succinic acid imidazoline, 0 to 6 parts of sebacic acid morpholine, 0 to 6 parts of octanoic acid two cyclohexylamines, 0 to 6 parts of octanoic acid tributyl amine, 0 to 6 parts of capric acid tributyl amine, 0 to 15 parts of benzoic acid monoethanolamine, 0.1 to 1.0 part of drier, 0 to 5 parts of thixotropic agent, 1 to 5 parts of dibutyl phthalate, 0 to 5 parts of black paste, and the rest of xylene/200 model solvent (1:1). The gas phase antirust coating of the invention has the advantages of fast table-drying speed, long antirust time, high rigidity, high brightness, good temperature resistance, etc., and can satisfy the requirements of the automatic pipeline production and long time open storage antirust need of oil steel pipes and other large pipes or profiles.

PCT No. PCT/GB96/03219 Sec. 371 Date Sep. 11, 1998 Sec. 102(e) Date Sep. 11, 1998 PCT Filed Dec. 23, 1996 PCT Pub. No. WO97/24409 PCT Pub. Date Jul. 10, 1997A predominantly aqueous composition for plasticising or softening paint, varnish and similar coatings prior to stripping the coating from a surface includes preferably a combination of the active agents triethylphosphate and a co-agent selected from dimethyl adipate, 1,2,3-propanetriol triacetate, tri-n-butyl citrate, n-octyl acetate, methyl octanoate and 2-ethyl-l-butanol, as an emulsified hydrophobic phase in which the actives are partitioned between the hydrophobic and aqueous phases. The emulsion is preferably stabilized using a non-ionic water-soluble block copolymer surfactant, being a copolymer of more than one alkaline oxide. The composition may be thickened using a rheology control agent. Synthetic smectic clays are particularly suitable. The composition is non-toxic and consists predominantly of water, and yet exhibits effective paint, varnish and lacquer plasticising/softening characteristics.

The invention provides a water-milk bilayer essence emulsion. The water-milk bilayer essence emulsion is composed of decamethyl cyclopentasiloxane, lubrajel, isododecane, pentaerythritol tetraester (ethylhexoic acid), butanediol, propanediol, glycerin polyether-26, glycerin, oat beta-glucosan, hamamalis water, phenyl trimethicone, phenoxyethanol, PEG-6 octanoic acid/capric acid glyceride, thickener, caprylyl glycol/ethylhexylglycerin, methylparaben, butylated hydroxytoluene, sodium hyaluronate, pigment and water. The water-milk bilayer essence emulsion is novel and beautiful in appearance, capable of realizing quick layering, stable in property and high in moisture retention performance.

The invention provides a method for preparing human immunoglobulin. The method comprises the following steps of: dissolving Cohn components I, II and III and Cohn components II and III, precipitating by using octanoic acid, performing anion-exchange chromatography for the first time, precipitating IgM, performing anion-exchange chromatography for the second time, performing ultrafiltration or dialyzing, preparing, inactivating virus and the like to obtain the high-purity human immunoglobulin. The invention also provides the human immunoglobulin prepared by the method and a medicinal composition. The method for preparing the human immunoglobulin is simple, and low in cost and has good industrial application prospect.

The invention relates to a preparation method of aminopyridine modified resin, which comprises the steps of allowing high polymer resin to swell in an organic solvent under backflow, adding an aminopyridine compound with a charge ratio of (1-7):1 to the high polymer resin, and an acid-binding agent at a mole ratio of (1-5):1 to the aminopyridine compound, allowing a mixed reaction system to react for 2-24h at 45-70 DEG C under a stirring condition to form the aminopyridine modified resin, separating, washing sequentially with water, alcohol, acetone and ether, and airing to form the aminopyridine modified resin of which a functional group content is 2.9-4.0mmol FG/g. The method is simple to operate, short in reaction time and convenient in preparation, and the modified resin can be independently used or filled as an adsorbing column, has good adsorbability for metal, particularly rhodium octanoate dimer in industrial waste water, and metal ions, particularly noble metal ions, and has important applications in environmental protection, analytical chemistry, metal ion extraction from waste liquid and the like.

The invention relates to acne cream capable of effectively removing acnes and lightening acne marks. The acne cream comprises water, glycerinum, butanediol, a hamamelis virginiana extract, an aloe vera extract, neopentyl glycol diheptanoate, octanoic acid/capric acid triglyceride, meadowfoam seed oil, squalane, macadimia nut oil, butyrospermum parkii kotschy grease, nicotinamide polydimethylsiloxane, cetostearyl alcohol, cetearyl glucoside, sorbitan olivate, cetearyl olivate, sodium hyaluronate, dipotassium glycyrrhizinate, oligopeptides-1, arbutin, L-ascorbyl dipalmitate, a calendula extract,a lavender extract, an acroloyl-dimethyl taurine amino/VP copolymer, a sodium acrylate/acroloyl-dimethyl taurine sodium copolymer, isohexadecane, polysorbate-80, fullerene, an angelica sinensis extract, p-hydroxyacetophenone, 1,2-hexanediol, sweet orange flower oil and EDTA (Ethylene Diamine Tetraacetic Acid). The acne cream is prepared through a series of procedures and has the characteristics of good acne treatment effect, no acne mark, no side effect, and the like.

The invention relates to a method for synthesizing an imidazoline intermediate and a cationic derivative thereof. The method comprises the following process steps of: putting fatty acid, polyamine and water into a reaction kettle in a mole ratio of 1:1.1-2:1-5, heating to the temperature of between 100 and 180 DEG C to distill over the water added before and the water generated in the reaction, removing redundant polyamine and water under a pressure of between -0.04 and -0.1MPa and performing a reaction at a temperature of between 180 and 240 DEG C for 3 to 8 hours to synthesize the imidazoline intermediate; and reducing the temperature of the imidazoline intermediate to be below 80 DEG C, adding a solvent of which the mass is 30 to 100 percent of the imidazoline intermediate into the imidazoline intermediate, then adding 1 to 2mol of sulfate into the mixture and performing heat preservation reaction at the temperature of between 50 and 80 DEG C for 2 to 4 hours to synthesize cationic imidazoline. The fatty acid is oleic acid, linoleic acid, stearic acid, palmitic acid, lauric acid, coconut oil acid, capric acid and octanoic acid; the polyamine is ethylenediamine, diethylenetriamine, triethylene tetramine and tetraethylene pentamine; the solvent is isopropanol, absolute ethyl alcohol or 95 percent ethanol; and the sulfate is dithyl sulfate and dimethyl sulfate.

A toxicological friendly antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze composition comprises from 5 to 80 wt. % of an aqueous freezing point depressant selected from alkali metal salts of acetates, formates, proprionates, adipiates, and succinates, and mixtures thereof; 0.1 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.1 to 10 wt. % of at least one of octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, benzoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water.

A process for the preparation of (2R)-2-propyloctanoic acid which is characterized by subjecting (2S)-2-(2-propynyl)octanoic acid or (2S)-2-(2-propenyl)octanoic acid to reduction using platinum on carbon. This process gives (2R)-2-propyloctanoic acid having high optical purity without isomerization.