314 results about "N-Octyl Alcohol" patented technology

The invention provides an extracting method of synthetic peach aldehyde and relates to the industrial field. The extracting method comprises the following steps that 1, octanol, crylic acid and peroxides are placed in a container, and a stirrer is used for full stirring so that the octanol, the crylic acid and the peroxides are uniformly mixed; 2, octanol and cocatalysts are added into a reactor provided with a stirrer, a backflow condensing device and a dropping device; the stirrer is started, materials are heated to a preset temperature, and mixtures of the octanol, the crylic acid and the peroxides are dropped into the reactor within 4 to 10 hours; and under the stirring effect, the backflow reaction is carried out until no moistures or the like are distilled off from a by-product collector, the reaction is finished, and reaction mixtures containing the peach aldehyde are obtained; 3, the reaction mixtures are transferred into a vacuum distillation device, and unreacted octanol is recovered through distillation at 133.3 Pa; 4, the reaction mixtures after the octanol recovery are transferred into the vacuum distillation device, reaction products are extracted through fractionation, and peach aldehyde is obtained; and 5, the peach aldehyde is placed into a special fragrance processing device, and peach aldehyde finished products are obtained. The extracting method has the advantages that the process is simple, the equipment requirement is lower, the treatment condition is mild, the treatment cost is low, the energy consumption is low, in addition, no harmful emission is generated, and the extracting method is suitable for mass production; and the prepared peach aldehyde is colorless clear liquid, has intense peach and amygdaloid fragrance and has no miscellaneous odor.

The invention discloses an O / W type conjugated linoleic acid micro emulsion carrier and a preparation method thereof, belonging to the field of food technology. The micro emulsion carrier comprises the following components in percentage by weight: 1%-30% of mixture, 1-13% of conjugated linoleic acid and 57-98% of water, wherein, the mixture is composed of the following components according to the mass ratio of 1:1:1:1: Tween 80, EL35, alcohol and n-caprylic alcohol. The preparation method of the micro emulsion carrier comprises the following steps: under the condition of continuously stirring, the mixture composed of Tween 80, EL35, alcohol and n-caprylic alcohol is added in a mixed kettle in percentage by weight firstly; then the conjugated linoleic acid is added; and finally, water is added to obtain a clear, transparent and even system, namely the required micro emulsion carrier. The invention not only solves the difficulty of low solubility of conjugated linoleic acid in water, but also greatly improves the stability of the conjugated linoleic acid.

The invention discloses a method of extracting m-phthalic acid-5-sodium sulfonate from trimonomer production wastewater. The method sequentially comprises the following steps: preparing an extraction agent; adjusting the pH value; extracting; re-extracting; concentrating re-extracting liquid; acidifying; concentrating and crystallizing; and drying. In the extraction agent, double components (trioctylamine and ditertiary amine 2, 4-di(N, N-dihexyl) amino dodecylbenzene) are used as complexing agents, 2-heptyl undecyl alcohol is used as a cosolvent and double components (sulfonated kerosene and n-octyl alcohol) are used as diluents. According to the method provided by the invention, a complexing and extracting process is adopted for extracting m-phthalic acid-5-sodium sulfonate from liquid waste at the bottom of a tower after methanol is recovered from trimonomer and the best extraction system and reasonable extraction conditions are selected, so that the extraction rate of m-phthalic acid-5-sodium sulfonate is over 99%, the economic benefit of the trimonomer product is greatly improved, and comprehensive utilization of resources is realized.

The invention discloses a preparation technology of nanometer aluminum hydroxide adjuvant, comprising the following steps: taking benzalkonium bromide, n-caprylic alcohol and cyclohexane at equal ratio; stirring mixture at high speed, and pouring the mixture into a triangular flask; putting in a stir bar; putting the triangular flask on a magnetic stirrer, adding a proper quantity of AlCl3 solution, and stirring; slowing dropwise adding ammonia water into a separating funnel to regulate dripping rate; causing a reaction system to react for 2 hours at the pH of 10; after the reaction ends, adding acetone for demulsification and centrifugation; abandoning supernatant; respectively adding absolute ethyl alcohol and deionized water; evenly stirring by a glass rod; washing for three times, and decentralizing; collecting decentralized sediment into a beaker; drying for 12 hours in a drying oven to obtain fluffy Al(OH)3 adjuvant. The prepared nanometer aluminum hydroxide adjuvant has small grain diameter, good dispersibility and stability and favourable biocompatibility. In an animal experiment, the anti-tumor effect of nanometer aluminium adjuvant adsorption autovaccine is obviously superior to the curative effect obtained by using common aluminium adjuvant adsorption autovaccine.

The invention discloses a method for treating 2,4-diaminotoluene (TDA) wastewater through complexing extraction. The method is characterized by mainly comprising the steps of pH value adjustment, extraction and an extraction agent recycling treatment process. The method adopts one or two of 2-ethylhexyl 2-ethylhexyl phosphonate, di(2,4,4-trimethyl amyl) phosphonic acid as a complexing agent, one or more of n-octyl alcohol, isooctanol and sec-octyl alcohol as a cosolvent, and kerosene or cyclohexane as a diluent for preparing a complexing exaction agent for separating TDA compounds which are hard to be biochemically treated in the wastewater, and the extraction agent is regenerated by using inorganic acid and is subsequently repeatedly used. The method is simple and reasonable in process, high in operability, convenient to operate and low in treatment cost. The TDA concentration of the wastewater treated by using the process is greatly reduced, the primary extraction removal rate of TDA is 95-99%, and a wide application prospect is achieved.

An aqueous composition for plasticizing or softening paint, varnish and similar coatings prior to stripping the coating from a surface includes a combination of the active agents, e.g., 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 stabilized using a non-ionic water-soluble block copolymer surfactant, being a copolymer of more than one alkylene oxide. The composition may be thickened using 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 plasticizing / softening.