35 results about "Decylene Glycol" patented technology

The invention provides an electrochemical method for synthesizing 1, 10-decanediol, which comprises the steps of 1) mixing epsilon-caprolactone, an alkali electrolyte, an organic solvent and water, heating and stirring to hydrolyze epsilon-caprolactone in the system to generate 6-hydroxyhexanoate; and 2) adding sodium carbonate, sodium formate and water into the system hydrolyzed in the step 1), stirring and dissolving, and then carrying out electrolytic reaction to obtain the 1, 10-decanediol after the reaction is finished. The method provided by the invention can solve the problems of low total product yield, large equipment investment, high operation risk, harsh reaction conditions, prominent three-waste problems and the like in the traditional synthesis process. Meanwhile, the problems of instability, easiness in self-polymerization and the like in the existing electrochemical method can be effectively avoided.

The invention relates to a preparation method of high-flowability positive ion modified copolyester. Binary acid I, dihydric alcohol I and high-flowability branched structure modifiers are uniformly mixed and then subjected to esterification reaction, and isophthalic acid-5-sodium sulfonate and dihydric alcohol II esterification products are led in after esterification reaction and subjected to pre-condensation reaction and final polycondensation reaction to prepare the high-flowability positive ion modified copolyester. The high-flowability branched structure modifiers are more than one of pyromellitic anhydride, cyclopentane tetracarboxylic anhydride, benzophenone tetracarboxylic dianhydride, trimellitic anhydride, mellophanic dianhydride, pyromellitic acid, cyclopentane tetracid, benzophenone tetracid, trimellitic acid and mellophanic acid, and the dihydric alcohol II is more than one of butanediol, pentanediol, hexanediol, heptanediol, octylene glycol, nonanediol and decanediol. Two modified components are introduced, so that flow-activation energy is remarkably reduced, acting force of the copolyester and tube walls in the flowing process is reduced, and melt viscosity loss iseffectively controlled.

The invention discloses a preparation method and application of an antimicrobial composition containing ε-polylysine. It consists of 1-20% of ε-polylysine, 5-35% of other antimicrobial agents, and 60-90% of solvent and synergist. The antimicrobial agent is one of caprylyl hydroxamic acid, levulinic acid, sodium levulinate, p-hydroxyacetophenone, ethyl lauroyl arginate hydrochloride, tropolone, and octenidine one or a mixture of two. Solvents and builders are 1,2-propylene glycol, methyl propylene glycol, 1,3-propylene glycol, 1,3-butanediol, 1,2-hexanediol, 1,2-pentanediol, 1,2 A mixture of one or at least two of ‑caprylyl glycol, 1,2‑decanediol, polyethylene glycol, ethylhexylglycerin, propylene glycol carbonate, and water. The composition is water-soluble, convenient to add and use, and widely used in the fields of cosmetics, wet wipes, facial masks, washing and the like.

The invention discloses a method for synthesizing 1,9-decadiene. The method sequentially comprises the following steps: adding carboxylic acid and 1,10-decadienol into a reaction container, heating the container until the 1,10-decadienol is dissolved, adding a catalyst, carrying out an esterification reaction at 120-200 DEG C, and collecting water evaporated in the esterification reaction; continuously heating the container to 300-350 DEG C after no water is produced in the esterification reaction, carrying out a reaction for 5-8 h, and evaporating and collecting a mixed solution of 1,9-decadiene and carboxylic acid; and respectively post-processing the mixed of 1,9-decadiene and carboxylic acid to obtain carboxylic acid and 1,9-decadiene respectively. The method for preparing 1,9-decadiene is efficient, economical and green, and meets industrial production requirements.

The monoester phosphate containing methyl acrylate structure has also 1, 10-decamethyleneglycol and phosphate structure in its molecule. The preparation process of the monoester phosphate includes preparing monoester with methyl acrylic acid and 1, 10-decamethyleneglycol, preparing monoester phosphate with the monoester and phosphating reagent, saponifying the monoester phosphate to produce salt type monoester phosphate, and other steps. The product has high emulsifying performance and high reaction activity, and may be used as surfactant monomer for preparing micro emulsion paint, assistant, etc. The preparation process has mild reaction condition, high monoester yield and no need of solvent.

The invention relates to a process for preparing high-purity 1,10-decanediol by side-line vacuum rectification of crude decanediol products. The intermediate feed of the rectification column is subjected to vacuum distillation, separation and purification, and 1,10-decanediol is separated from the bottom of the rectification column, and the purity of 1,10-decanediol is ≥99.5%. The purity of the decanediol prepared by the process of the invention is greater than or equal to 99.5%, and at the same time, the process not only has low energy consumption, but also the materials from the side line of the rectifying tower can be put into the system for recycling, which improves the product yield and reduces the production cost.

The invention provides synthetic ester lubricating oil base oil with a high viscosity index and a preparation method thereof. The synthetic ester lubricating oil base oil is prepared by taking pyromellitic acid, triethanolamine, dihydroxy polyether, 1,10-decanediol, tetraethylene glycol, n-octanoic acid, cyclohexanecarboxylic acid and an organic solvent as main raw materials and carrying out sub-step esterification reaction. The synthetic ester lubricating oil base oil provided by the invention has a very high viscosity index and a relatively low pour point and the pour point can reach -45 DEGC; in a lubricating oil formula, a viscosity index modifier does not need to be additionally added and the requirements on high-viscosity lubricating oil can be met.

The invention relates to a cosmetic preparation containing a) one or more alkane diols selected from the group of compounds, propylene glycol, butylene glycol, 2-methylpropane-1,3-diol, ethylhexylglycerol, 1,2-pentane diol, 1,2-hexane diol, 1,2-octane diol and / or 1,2-decane diol, and b) sodium chloride in a concentration of 0.25 to 5 % by weight, based on the total weight of the preparation.

The invention discloses a method for co-producing 1,9-decadiene and 9-decene-1-alcohol in a fixed-bed reactor, which comprises the following steps in sequence: esterifying 1,10-decanediol and isobutyric acid reaction to obtain an esterification intermediate product; the esterification intermediate product enters the fixed bed reactor (3) in the form of dropwise to carry out the ester pyrolysis reaction, and adds an aqueous alkali solution to the collected reaction product, mixes it uniformly, and then leaves it to stand for stratification , to obtain an aqueous phase and an organic phase respectively, take the organic phase and carry out vacuum distillation to obtain 1,9-decadiene; mix the still liquid obtained by the above-mentioned vacuum distillation with the water phase, and heat up to reflux for hydrolysis reaction; hydrolysis The post-reaction product is post-treated to obtain by-product 9-decen-1-alcohol. By adopting the method of the present invention, the product ratio of 1,9-decadiene and 9-decene-1-alcohol can be selectively obtained by controlling the temperature of the reactor and the reaction space velocity.

The invention discloses a preparation method of royal jelly acid, which belongs to the field of chemical synthesis. The present invention uses 1,10-decanediol as a raw material in water as a solvent, under the action of potassium persulfate and tetraalkylammonium bromide, to obtain 2-bromodecalactone (II) compound, and the reaction adopts a one-pot Oxidation, lactonization and α-H bromination three-step reaction take place respectively, have higher selectivity and yield; II then carry out hydrolysis and elimination reaction, obtain royal jelly acid target product after final acidification, and the crude product purity can reach 95%, reaching higher than 99% after recrystallization. The invention adopts two steps to prepare royal jelly acid, and the technical route has the characteristics of short route, simple operation and easy industrial production, and is a very economical and convenient method for synthesizing royal jelly acid.

The invention discloses a method for preparing decanediol dicarboxylate and a derivative thereof. The furfural is used as a raw material and can be obtained by hydrolyzing hemicellulose, and the furfural is efficiently converted into decanediol dicarboxylic ester, carboxylic acid n-decyl ester and corresponding alcohol through two steps of condensation and hydrogenolysis. The method is characterized in that a compound shown as a formula (I) is used as a raw material, and under the dual action of trifluoromethanesulfonate and a hydrogenation catalyst, decanediol dicarboxylate and carboxylic acid n-decyl ester are obtained through selective hydrodeoxygenation in an acid solvent. A saponification reaction is carried out on the product to obtain 1, 10-decanediol and n-decanol. The method has the advantages of cheap and accessible raw materials, high product yield, high product purity, low environmental pollution and simple process route, and is suitable for industrial production.

The invention relates to an essence lotion with effects of removing acnes and acne marks and a preparation method of the essence lotion. The essence lotion is prepared from vitex agnus linnaeus extract microcapsules, cetostearyl alcohol / coco-glucoside, caprylic acid / capric triglyceride, polydimethylsiloxane, cetostearyl alcohol, carbomer, glycerol, butanediol, xanthan gum, disodium EDTA, sodium hydroxide and phenoxyethanol / caprylyl glycol / decanediol, wherein the vitex agnus linnaeus extract microcapsules comprise a vitex agnus linnaeus extract, a wall material and an auxiliary additive. Experiments prove that the essence lotion disclosed by the invention can be used for remarkably increasing the water content of skin and enhancing the barrier function of the skin, and has remarkable effects of removing acnes, removing acne marks and controlling oil.

A synthetic method of compound E10, E12-hiago dienal in maruca testulalis geyer sex pheromone is characterized in that the compound adopts trans-2-hexenol and 1, 10-decanediol as the substrate; after halogenating reaction, bromide can be obtained from the trans-2-hexenol which is then reacted with triphenylphosphine to obtain 2-hexene base triphenyl phosphonium bromide; after the esterification reaction of the 1, 10-decanediol, the 1, 10-decanediol protected by acetic ester can be obtained, and then after oxidation reaction, 10-oxo decyl acetate can be obtained; after Witting reaction and then quenching reaction of the 2-hexene base triphenyl phosphonium bromide and the 10-oxo decyl acetate, 10, 12-hiago dienal can obtained by separation; after the process of recrystal, trans 10, 12-hiago dienal with transverse structure can be obtained, and then after the oxidation reaction, E10, E12-hiago dienal is obtained. The method of the invention adopts materials which are cheap and easy to be obtained and uses simpleand reasonable syntheticroute, the operation is simple and safe, the utilization rate of the materials is high and the main ingredient compound of the maruca testulalils geyer sex pheromone can be synthesized with low cost in a short time.

The invention discloses a method used for synthesizing 1, 9-decadiene using a fixed bed reactor. The method comprises following steps: 1, 10-decanediol and a higher fatty acid are mixed and are subjected to esterification reaction; an obtained esterification intermediate is introduced into the fixed bed reactor drop by drop for esterification cracking, wherein a filling material is introduced intothe fixed bed reactor, the temperature in the fixed bed reactor is controlled to be 330 to 370 DEG C, and the standing time of the esterification intermediate in the fixed bed reactor is controlled to be 2.5 to 4h; a 1, 9-decadiene crude product obtained through reaction is discharged through the top of the fixed bed reactor in gas form, is subjected to condensation, and is collected in liquid form; the collected liquid product is introduced into a reaction container through flowing for collection; the 1, 9-decadiene crude product is subjected to underpressure distillation so as to obtain 1,9-decadiene. The reaction selectivity is as high as 95%, and the yield is as high as 90%.

The invention relates to a process for preparing high-purity 1,10-decanediol from a decanediol crude product through side line vacuum distillation, which comprises the following steps: pumping the 1,10-decanediol crude product into a rectifying tower through a feeding unit, feeding a material flow from the middle of the rectifying tower, carrying out vacuum distillation separation and purification, and separating out the 1,10-decanediol from the bottom of the rectifying tower, the purity of the 1,10-decanediol being greater than or equal to 99.5%. The purity of the decanediol prepared by adopting the process is greater than or equal to 99.5%, meanwhile, the process is low in energy consumption, and the materials discharged from the side line of the rectifying tower can be put into a system to be recycled, so that the product yield is increased, and the production cost is reduced.

The invention belongs to the field of functional polymer materials and discloses a shape-memory polyester material. The shape-memory polyester material is formed by polymerization of dihydric alcoholand citric acid. The dihydric alcohol is 1,10-decamethylene glycol or a mixture of the 1,10- decamethylene glycol and 1,4-butanediol. The prepared shape-memory polyester material is high in biodegradability and excellent in shape memory performance. The invention further discloses a preparation method of the shape-memory polyester material. The preparation method includes: (1) melt blending certain amounts of dihydric alcohol and citric acid, and stirring to polymerize to obtain a precursor; (2) placing the precursor in a vacuum oven, and enabling to crosslink for 20 hours at the temperature of 75-85 DEG C to obtain the shape-memory polyester material. The preparation method is simple and short in period.

The present invention provides a polyurethane resin that exhibits excellent adhesive performance especially to biomass plastic substrates, has excellent dispersibility of pigments contained in a high concentration, is useful as a binder for printing inks, and has high biomass. Its printing ink. A biourethane resin obtained by reacting a biopolyol (A) with an isocyanate (B), wherein (A) is a mixture of a plant-derived diol component (a) and a dicarboxylic acid component (b) The polymer is biopolyester polyol, (a) comprising ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,4-butanediol, 1,10-decanediol and di One or more kinds of polyglycols, (b) containing plant-derived succinic acid and other dicarboxylic acids, plant-derived succinic acid / other carboxylic acids = 98 / 2 to 5 / 95, relative to 100% by mass of biourethane resin , having a plant-derived ingredient content of 35% or more; and a printing ink.

The invention discloses a polymerizable acid-sensitive amphiphilic compound, which is divided into two parts by using substance C, glycol and diethylene glycol monovinyl ether as raw materials, using p-toluenesulfonic acid as a catalyst, and dichloromethane as a solvent. The reaction is carried out in one step; wherein the substance C is any one of acryloyl chloride, methacryloyl chloride, and 2-ethacryloyl chloride; the dibasic alcohol is ethylene glycol, 1,3-propylene glycol, 1,4-butanediol, Any one of 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol and 1,10-decanediol Acid-sensitive amphiphilic compound, one end is a lipophilic group, the other end is a hydrophilic group, has amphiphilicity, has good solubility in aqueous solution and oily solution, and can self-assemble in water Nano-micelle; can degrade under acidic conditions; can be used as a drug carrier, especially suitable as a targeting carrier for some anti-cancer drugs; one end is a double bond, which is prone to polymerization and generates new substances, which can be used as medical materials.

The invention relates to a preparation containing: (i) a composition containing (a) one, two or a plurality of compounds selected from the group consisting of (a1) alcohol monoterpenes of formula (I) in which R1 is H or methyl, R2 is H or C2-alkenyl, und R3 is a linear or branched, saturated or unsaturated hydrocarbon radical with 4 to 10 carbon atoms, and the enantiomers, diastereomers, racemates, solvates and physiologically compatible salts thereof, and / or (a2) bicyclic epoxy-monoterpenes, (b) at least two lactones of formula (II) in which R4 is H or methyl, R5 is a linear or branched, saturated or unsaturated hydrocarbon radical with 2 to 10 hydrocarbon atoms and n is the number 1 or 2, and the enantiomers, diastereomers and racemates thereof, (c) one, two or a plurality of solvents selected from the group consisting of ethanol, water, dipropylene glycol (DPG), diethyl phtalate (DEP), propylene glycol (PG), isopropyl myristate (IPM), isopropyl palmitate (IPP), triethyl citrate (TEC), triacetin (TRI), 1,2-Propanediol, 1,3-Propanediol, Propanethiol, Pentanediol, Hexanediol, Octanediol, Decanediol (SymClariol®), Dodecanol, 4-hydroxy-acetophenone (SymSave® H), glycerine, butylene glycol, pentylene glycol, hexylene glycol, decylene glycol, propylene carbonate, butylene carbonate, glycerine carbonate, 2-5 benzyl heptanol, lauryl alcohol, trimethyl-hydroxypentyl-isobutyrate, glyceryl-caprylate, ethylhexyl glycerine, benzyl benzoate (BB), and optionally (d) other flavouring agents or aromatic substances selected from the group consisting of 3-phenylbutanal (Trifernal), acetyl methyl carbinol, anethole, anisyl acetate, dihydroeugenol, linalyl formate, 2-methyldecanal, 2-benzyl-2-methylbut-3-ene nitrile (Ci-Trowanil® B), 3-hexenyl acetate, styrallyl acetate, belanis, citronellal, cinnamyl acetate, rhubafuran, beta-ions, anther, prenyl acetate, 2-phenyl propanal, 4-(4-hydroxyphenyl)butan-2-one (Frambinon®), ethyl phenoxyacetate, isoralderine, gamma-terpinene, limonene, neocyclocitral, methyl lavender ketone, styrallyl propionate, phenyl ethyl propionate, limonenal, 4-isopentylcyclohexanol (Symrose®), 4-methyl-2-phenyl-3,6-dihydro-2H-pyran / 4-methylene-2-phenyl-tetrahydropyrane (Rosyrane super), hydrocitronitril, phenoxanol, isoamyl phenylacetate, damascone, silvial, nectaryl, ambroxide, acetyl pyrazine, trimethyl pyrazine, isoamyl acetate, para-cresyl methyl ether, filbertone, cyclohexyl acetate, heliotropin, acetophenone, anisaldehyde, para-methyl acetophenone, veratraldehyde, methyl anisate and vertoprenal; (ii) aldehydes of formula (III) in which R6 is a saturated or non-saturated, linear hydrocarbon radical; and / or (iii) free fatty acids of formula (IV), in which R7 is a linear or branched, saturated hydrocarbon radical.

The invention discloses a method for preparing decanediol dicarboxylate and derivatives thereof. The raw material used in the present invention is furfural, which can be obtained by hydrolysis of hemicellulose, and the furfural is efficiently converted into decanediol dicarboxylate, n-decyl carboxylate and corresponding alcohols through two steps of condensation and hydrogenolysis. It is characterized in that: using the compound of formula (I) as raw material, under the double action of trifluoromethanesulfonate and hydrogenation catalyst, selectively hydrodeoxygenating in acidic solvent to obtain decanediol dicarboxylate and carboxylate N-decyl acid. The above product was saponified to obtain 1,10-decanediol and n-decyl alcohol. The raw materials used in the invention are cheap and easy to obtain, the yield of the product is high, the purity is high, the pollution to the environment is small, the process route is simple, and it is suitable for industrialized production.

The present invention relates to a preparation method of 1,10-decanediol. The method is characterized by using 9-decenoic acid ester as a raw material, adopting a two-step epoxidation-transfer hydrogenation reaction to obtain 1,10-decanediol, and the epoxidation step uses a molybdenum catalyst and an organic peroxide, and 9 , The yield of 10-epoxidized methyl decanoate is greater than 95%; the hydrogen donor is used in the transfer hydrogenation reaction to replace hydrogen, and a reducing additive is introduced to reduce the epoxy group and the ester group to a hydroxyl group in one step under normal pressure. The method does not need to use high-pressure hydrogen, which not only reduces the investment of the reaction device, reduces the complexity of the operation, but also increases the safety of the reaction, improves the yield of the target product, and solves the difficulty of product separation and a large number of difficulties in the traditional production technology. To deal with problems such as industrial waste water, the raw material 9-decenoate is cheap and easy to obtain, the preparation process is simple, the equipment requirements are not high, and it is suitable for industrial production.