76 results about "Pentyl acetate" patented technology

A photoresist stripper composition is made up of a mixture of an acetic acid ester, gamma-butyrolactone (GBL), and a non-acetate ester or a poly alkyl alcohol derivative. The acetic acid ester may be at least one of n-butyl acetate, amyl acetate, ethyl aceto-acetate, and isopropyl acetate. The non-acetate ester may be at least one of ethyl lactate (EL), ethyl-3-ethoxy propionate (EEP) and methyl-3-methoxy (MMP). The poly alkyl alcohol derivative may be at least one of propylene glycol monomethyl ester (PGME) and propylene glycol monomethyl ester acetate (PGMEA).

The invention discloses a reaction-distillation coupling preparing acetic acid series ester method, which comprises the following steps: using glacial acetic acid and alcohol with lower five carbons (alcohol, optal,alcohol isopropylicum, butanol, isobutanol, amyl alcohol and isoamyl alcohol ) for raw material; adopting modified strong acidic phenylethene series basic ion exchange resin for accelerant; preparing by reaction-distillation coupling; getting acetic acid ethyl ester, propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, amyl acetate and iso-amyl acetate; making glacial acetic acid and alcohol with lower five carbons to carry on esterification reaction by solid acid catalysis in trickle bed reactor; adding reaction product (acetic acid ethyl ester, propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, amyl acetate and iso-amyl acetate), water and cycle still liquor in fractionating tower; getting acetic acid ethyl ester, propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, amyl acetate and iso-amyl acetate by separating at the top of the tower. The conversion rate of alcohol with lower five carbons is more than 96%, the recovery ratio of acetic acid ethyl ester (propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, amyl acetate and iso-amyl acetate) is more than 95%. The invention has high alcohol conversion rate, which simplifies the operation.

The invention discloses a plastic detergent and a preparation method thereof. The plastic detergent comprises alkylphenol ethoxylates, fatty alcohol polyoxyethylene ether sodium sulfate, pentyl acetate, dimethyl siloxane, active agent, glycol monostearate, aid and water. The prepared detergent has an excellent cleaning effect, does not lower the quality of plastic and has little residue after cleaning. The preparation method of the detergent is simple, and the detergent can be widely applied and is worthy of being popularized.

The invention relates to an improved extraction method for tylosin. The invention describes the process of using a cosolvent to extract the tylosin from tylosin fermentation filter liquid. The cosolvent comprises chloroform or methylene dichloride and ethyl acetate or butyl acetate or amyl acetic ester or isoamyl acetate or 4-methyl-2-pentanone or toluene. The method using the cosolvent to extract the the tylosin from the fermentation filter liquid has the advantages that the use quantity of the cosolvent is only 1-8% of the quantity of the fermentation filter liquid; the extraction rate is high and can reach 98.8%; and the cosolvent has a selective extraction function, the impurity content of extraction liquid is very little, product purification is convenient and the product purity is improved.

The invention discloses a polyvinyl alcohol waterproof coating, which is mainly prepared by stirring the following raw materials in part by weight: 100 parts of polyvinyl alcohol, 20 parts of carboxymethylcellulose, 25 parts of sodium potassium silicate, 30 parts of pentyl acetate, 15 parts of triethanolamine, 10 parts of carboxymethylcellulose, 40 parts of magnesium silicate, 85 parts of water, 6 parts of binder, 6 parts of film-forming aid, 6 parts of dispersing agent and 5 parts of defoamer. The polyvinyl alcohol waterproof coating has high workability, cost performance and water repellency, and aquatic organisms are prevented from being precipitated or grown on a hull.

The present invention relates to a micro grating for transmissive electronic microscope and its making process and aims at simplifying its production process, raising production efficiency and heat stability. In the technological scheme, the micro grating is made with acetone, n-pentyl acetate and collodion. The production process includes mixing n-pentyl acetate and collodion and adding acetone to prepare mixed liquid; dropping one drop of the mixed liquid to culture dish and covering the liquid surface with copper net; spreading filter paper on the film formed on the liquid surface and lifting the filter paper with the copper net and film; cutting the film and setting fil mwith copper net into the sample chamber of transmissive electronic microscope; and applying high voltage to the microscope to form the micro grating.

The invention relates to a capillipedium parviflorum essential oil, which is separated from capillipedium parviflorum inflorescence. In the separating process, the inflorescence of the capillipedium parviflorum is used as raw materials. The faint yellow oily essential oil concentrated solution is acquired by using the conventional method which includes the steps of collecting, washing, normal-pressure steam distillation, oil-water separation and drying with anhydrous sodium sulfate. The oil yield is 0.8% to 1%. The dried essential oil is determined by using a capillary gas chromatograph-mass spectrometer. The result is that the type number of the compound is 22 which is 92.75% of the whole oil mass, wherein the primary component is 1-nonene-4-alcohol, 4-hendecanone, 4-undecanol, and 2,4-dimethyl-3-pentyl acetate. The essential oil is high-class pure natural essential oil which is fragrant, stable in fragrant, good in inducing property, free from stimulation to skin, non-toxic and safe, and is capable of being used for preparing cosmetics, used as food additives, tobacco essence, washing agent essence and officinal essence.

The invention discloses a preparation method of catalyst H6P2W15Mo3O62/TiO2 and n-pentyl acetate. Dawson H6P2W15Mo3O62 is prepared with a hydrothermal method, then TiO2 loaded Dawson type P-W-Mo-heteropolyacid catalyst H6P2W15Mo3O62/TiO2 is prepared with an impregnation method, the structure of the TiO2 loaded Dawson type P-W-Mo-heteropolyacid catalyst H6P2W15Mo3O62/TiO2 is characterized with FT-IR and XRD methods, and the catalytic activity of catalytic activity on esterification reaction is studied. The optimized conditions for preparing the catalyst are that the activation temperature is 150 DEG C, the calcination time is 4.5 h, and the load of the H6P2W15Mo3O62/TiO2 is 40%. The n-pentyl acetate synthesized by the catalyst of the H6P2W15Mo3O62/TiO2 has the advantages of excellent catalytic activity, mild reaction condition, high product yield, no environmental pollution and better recycling performance. Therefore, the H6P2W15Mo3O62/TiO2 is an excellent catalyst for synthesizing the n-pentyl acetate and has an excellent application prospect.

A long-acting disinfecting detergent is prepared by following raw materials in part by weight: 5-10 parts of potassium citrate, 2-5 parts of ethyl alcohol, 5-13 parts of octadecyl 2-hydroxyethyl amine oxide, 5-9 parts of fatty alcohol-polyoxyethylene ethers, 1-5 parts of triethanolamine, 5-10 parts of menthacamphor, 3-10 parts of glutaraldehyde, 4-10 parts of amido-sulfonic acid, 2-6 parts of chloramines, 5-10 parts of glycerol, 6-10 parts of methyl hydrogen silicone fluid, 2-7 parts of ethylene oxide, 5-11 parts of amyl acetic esters and 55 parts of water. The long-acting disinfecting detergent has the advantages that the washing effect is high, the acting time is long, a certain sterilization and disinfection effect is achieved, and waste on resources can be reduced.

The invention discloses an acetate solvent based diesel oil pour point depressant composition, a preparation method and an application of the acetate solvent based diesel oil pour point depressant. The acetate solvent based diesel oil pour point depressant composition comprises the components by mass percent: 0-10% of ethyl acetate, 0-20% of propyl acetate, 20-40% of butyl acetate, 0-20% of amyl acetate and 10-30% of diesel oil pour point depressant. The preparation method comprises the steps of: mixing all the raw materials and stirring in thermostatic water bath; and controlling the rotating speed to be 120r/min to obtain the acetate solvent based diesel oil pour point depressant 30minutes later. The acetate solvent based diesel oil pour point depressant composition improves the dispersive action of the diesel oil pour point depressant for wax crystals at the low temperature, and improves the low-temperature fluidity of oil products; and the acetate solvent based diesel oil pour point depressant composition can be added into commercially available 0-model diesel oil, so that the cold filter plugging point is reduced by 5-11 DEG C, and the condensation point is reduced by 6-10 DEG C.

The invention belongs to the technical field of organic chemical engineering, and particularly relates to a fully continuous flow preparation method of 3-chloro-4-amyl oxoacetate. The method comprises the following steps of simultaneously conveying chlorine and a reaction solution of acetyl butyrolactone into a micro-channel reactor, and carrying out continuous chlorination reaction to obtain alpha-acetyl-alpha-chloro-gamma-butyrolactone, then continuously conveying the reaction liquid and a mixed solution of glacial acetic acid, hydrochloric acid and water to a micro-reaction system consisting of a next micro-mixer and a micro-channel reactor at the same time, and carrying out continuous acylation reaction to obtain 3-chloro-4-amyl oxoacetate finally, acquiring a final product in a micro-channel system of continuous quenching and continuous extraction separation. Compared with a traditional intermittent kettle type synthesis method, the method disclosed by the invention is short in reaction time, high in product yield, high in automation degree, high in process continuous efficiency, high in space-time yield, low in energy consumption and easy to industrially amplify and apply.

The invention relates to an environmentally friendly acrylic resin and a preparation method thereof, especially suitable for processing nail polish, and belongs to the technical field of polymer materials. The raw materials of the acrylic resin include, by weight, a kettle bed material, a mixed dropping material, an initiator 1, an initiator 2 and a diluent; the kettle bed material includes E10P,amyl acetate and n-butyl acetate; the mixed dropping material includes methacrylic acid, methyl methacrylate, styrene, tert-butyl acrylate, hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, butyl methacrylate, butyl acrylate, dicumyl peroxide, 1,1-di(tert-butylperoxy)cyclohexane and the n-butyl acetate; the initiator 1 includes the 1,1-di(tert-butylperoxy)cyclohexane and the n-butyl acetate; the initiator 2 includes the 1,1-di(tert-butylperoxy)cyclohexane and the n-butyl acetate; and the diluent includes the n-butyl acetate. The acrylic resin is high in environmental protection, so that theexistence of substances harmful to human bodies can be completely solved, and the use amount of solvents can be greatly reduced.

The present invention discloses an anti-aging composite waterproof coating material, which is prepared from the following raw materials by weight: 3.5-7.5 parts of an oligoester polyol, 1.5-2.8 parts of carboxy cellulose, 2.5-5.6 parts of a polycarboxylate type dispersant, 5-10 parts of ethylene glycol, 3.5-4.9 parts of amyl acetate, 1.5-2.8 parts of alkyl phenol polyoxyethylene ether polyoxypropylene ether, 1.2-2.4 parts of a castor oil ethylene oxide adduct and a derivative thereof, and 2.3-2.8 parts of dibutylnaphthalene sodium sulfonate. Compared with the existing waterproofing coating material, the anti-aging composite waterproof coating material of the present invention has characteristics of excellent high temperature resistance, excellent low temperature resistance and excellent sudden cold and heat change resistance, is suitable for polymer waterproof coating materials in the building industry, has good ductility and elongation at break in a wide temperature range, further has characteristics of strong adhesion, corrosion resistance, aging resistance, safety and environmental protection, and is suitable for coating on the surface of a variety of substrates.

Electrolyte formulations including a high salt concentration. The electrolyte formulation includes an organic solvent and a lithium salt, wherein the lithium salt is mixed with the organic solvent at a concentration of at least 20 Mole %, or at least 40 Mole %, or at least 50 Mole %. The organic solvent includes N-methyl-2-pyrrolidone, butylene carbonate, butyl propionate, pentyl acetate, γ-caprolactone, propylene glycol sulfite, ethyl methyl sulfone, butyl sulfoxide or combinations thereof. The lithium salt includes lithium bis(trifluoromethane sulfonyl) imide, lithium tetrafluoroborate, or lithium hexafluorophosphate.

The invention belongs to the field of feed and relates to a sow milk bionic feed flavor and a use method thereof. The sow milk bionic feed flavor is a fennel-type sow milk bionic flavor and is prepared by mixing 49.7 to 67 parts by weight of benzyl alcohol, 30 to 45.2 parts by weight of gamma-nonalactone, 8.3 to 27.8 parts by weight of gamma-octalactone, 8.4 to 16.7 parts by weight of benzyl butyrate, 5 to 10 parts by weight of anethole, 6.7 to 13.4 parts by weight of benzaldehyde, 6.7 to 16.6 parts by weight of vanillin, 1 to 5 parts by weight of ethyl butyrate, 1 to 5 parts by weight of isoamyl isovalerate, 0.5 to 3.3 parts by weight of amyl acetate, 0.4 to 5 parts by weight of ethyl hexanoate, 1.6 to 5 parts by weight of dimethyl methyl butyrate and 833 parts by weight of silica gel as a carrier. The sow milk bionic feed flavor can promote ingestion of piglets and improve daily gain. The fennel-type sow milk bionic flavor has better effects.

A cleanser for small advertisement is prepared from, by weight, 5-18 parts of n-butyl alcohol, 30-45 parts of anhydrous ethanol, 50-65 parts of ethyl acetate, butyl acetate or pentyl acetate, 10-30 parts of methanol, and 5-15 parts of isocetanol. The cleanser has good scrubbing effect to remove illegally painted "city psoriasis" on surfaces of buildings, and especially has excellent scrubbing effect for removing the graffiti painted by polyester paint and auto-painting. The cleanser can effective remove the trace of graffiti without damage on the surfaces of buildings, is convenient to prepare and use, and is low in cost.

The invention discloses a phenylacetic emulsion-vinyl acetate/acrylic emulsion heat preservation coating which is mainly prepared by stirring the following materials according to weight proportion: 60 parts of phenylacetic emulsion, 70 parts of vinyl acetate/acrylic emulsion, 40 parts of closed cell perlite, 26 parts of sodium silicate, 12 parts of kieselguhr, 10 parts of bamboo short fiber, 12 parts of silver nitrate, 5 parts of triethanolamine, 10 parts of potassium silicate, 10 parts of pentyl acetate, 6 parts of adhesion agents, 55 parts of water, 5 parts of preservative, 15 parts of kaolin, 7 parts of thickener and 6 parts of film additives. The phenylacetic emulsion-vinyl acetate/acrylic emulsion heat preservation coating has good heat insulation and heat preservation effects, and the flexible coating can shield tiny fissures on a base layer and is fine and smooth.

Paint for artificial pearl and its production are disclosed. The paint consists of celluloid 1.5-6wt%, camphor 0.1-0.6wt%, fat solvent 86-95wt% and pigment 1-8wt%, and fat solvent comprises mixture of methyl acetyl or acetic ether and mixture of butyrin acetate and/or banana oil or acetic ether and butyrin acetate. It is cheap, non-toxic and harmless, has short dyeing and drying time and higher production efficiency.

The invention belongs to the field of production of perfumes, and particularly relates to a long-acting slow-release perfume and a production method thereof. The perfume is produced from the components of bergamot essential oil, geranium essential oil, patchouli essential oil, linalool, amyl acetate, sodium alginate, citric acid, ethanol, glycerol and the like. The production method is simple andeasy to implement, the cost is low, and the produced perfume has good refreshing and relaxing efficacy, and has the effects of long fragrance lasting, long acting and slow release at the same time.

The invention relates to a crystal adhesive material and a preparation method thereof. The blue translucent crystal adhesive material is prepared through the following steps: mixing, emulsifying and stirring PVA (polyvinyl acetate) powder, water, borax, Carbomer resins, propylene glycol or glycerin, vanillin, clove oil, amyl acetate, gardenia blue, propionic acid, benzoic acid, sodium dodecyl benzene sulfonate and an acrylamide-acrylate copoly-crosslink; and finally adding borax water and solidifying. The translucent crystal adhesive material has the following advantages: the translucent crystal adhesive material has a good moisturizing effect, is not easy to crack in the air, has bright color, is not easy to discolor and has stable hue, good transparency above 50% and service life longerthan 18 months.