33 results about "Heptyl alcohol" patented technology

The present invention relates to a high-temperature organic acid corrosion inhibitor for inhibiting refinery vacuum tower high-temperature naphthenic acid corrosion environment with 200-400deg.C. Its composition includes (by wt%) 10-60% of corrosion inhibitor intermediate obtained by using boric acid and organic amine according to the mole ratio of 1:0.5-3 through a certain reaction process, 20-80% of monohydric alcohol or dihydric alcohol solvent formed from one kind and two kinds of methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, butyl alcohol, isobutyl alcohol, 1,2-propylene glycol, n-amyl alcohol, n-heptyl alcohol and n-caprylic alcohol or combination of more than two kinds of above-mentioned components and 0.1-20% of corrosion inhibition film-forming component formed from one kind or any two kinds of sulfourea, benzyl chloride, alkylene sulfide, propiolic alcohol, trisodium phosphate, ammonium phosphosulfate, diammonium phosphate, triammonium phosphate and benzotriazole or combination of more than two kind of above-mentioned all the components.

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, and 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 cleaned standard-increasing emulsifier of vehicle carbinol gasoline, which is characterized by the following: loading positive octyl alcohol, positive heptyl alcohol, alcohol isopropylicum, positive butyl alcohol, positive decatyl alcohol, hexadecyl alcohol and spans 80 in the autoclave according certain weight percentage; stirring evenly under the condition of normal temperature without any fire.

The invention discloses a black soybean milk flavor and a preparation method and an application thereof. The flavor comprises isovaleric aldehyde, methyl alcohol, isopentyl alcohol, hexanal, 2-methylpyrazine, furfural, trans-2-hexenal, furfuryl alcohol, hexyl alcohol, 2-heptanone, heptanal, 2-acetylfuran, 2, 5-methylpyrazine, 2, 3-dimethyl pyrazine, trans-2-heptenal, 5-methyl-furfural, benzaldehyde, heptanol, 1-octen-3-alcohol, 2-pentyl-furan, caprylaldehyde, 2-acetyl thiazole, trans-2-octenyl aldehyde, octanol, nonanal, capraldehyde, trans,trans-2,4-nonadienal, trans-2-decenal, 2-undecanone,trans,trans-2,4-heptadienal, trans-2-undecenal and propylene glycol. The method comprises the following steps: evenly mixing the above constituents, stewing and curing for 15 days, subpackaging to obtain the black soybean milk flavor. The flavor has convenient raw materials sources, mild fragrance and high naturalness, and is applied to preparing the beans products, is especially used for preparing black soybean milk beverage, not only can enhance mouthfeel, but also can better cover soil mildewed flavor brought by beans in basic materials.

The invention relates to a marine oil emulsifier composition and application thereof which mainly solve the problem that in the prior art, system oil for a screw shaft cannot form stable emulsifying oil when the system oil encounters water. The marine oil emulsifier composition is prepared from, by weight, 0.1-80 parts of ester compounds, 0.1-50 parts of phenolic ether compounds, 0.1-50 parts of fatty alcohol and 0.1-50 parts of polymers; at least one of sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester and polyethylene glycol fatty acid ester is selected as the ester compounds, at least one of a TX series and an OP series is selected as the phenolic ether compounds, at least one of methyl alcohol, ethyl alcohol, n-propyl alcohol, n-butyl alcohol, n-amyl alcohol, n-hexyl alcohol, n-heptanol, n-caprylic alcohol and isooctyl alcohol is selected as the fatty alcohol, and at least one of polyethylene glycol, polyisobutene and ethylene-propylene copolymers is selected as the polymers. According to the marine oil emulsifier composition and the application thereof, the problem is better solved, and the marine oil emulsifier composition can be applied to industrial production.

The invention relates to a bunker oil emulsifier composition and applications thereof, which are mainly designed for solving the problem that in the prior art, system oil applied to screw shafts, after meeting water, can not form stable emulsified oil. The bunker oil emulsifier composition disclosed by the invention comprises the following components in parts by weight: a) 0.1-80 parts of an ester compound, b) 0.1-50 parts of a phenolic ether compound; c) 0.1-50 parts of fatty alcohol, and d) 0.1-50 parts of a polymer; and a technical scheme that the ester compound is selected from at least one of sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester or poly-ethylene glycol fatty acid ester, the phenolic ether compound is selected from at least one of TX series or OP series, the fatty alcohol is selected from at least one of methanol, ethanol, n-propanol, n-butanol, n-amyl alcohol, n-hexanol, n-heptanol, n-octanol or 2-ethylhexanol, and the polymer is selected from at least one of polyethylene glycol, polyisobutylene or ethylene-propylene copolymer solves the problem well. The bunker oil emulsifier composition can be applied to the industrial production of bunker oil emulsifier compositions.

The invention discloses a synthetic process for DOTP-1. The synthetic process comprises the following steps: (1) taking raw materials at the molar ratio of terephthalic acid: heptyl alcohol=1:(2.7-2.9), and taking 3.3% of the total mass of phthalic acid and heptyl alcohol of a titanium(IV) isopropoxide catalyst; (2) putting all terephthalic acid and one third of the heptyl alcohol into a reaction kettle, heating up to 150-180 DEG C, adding 50% of the total quantity of the catalyst, and adding the catalyst within 4-6 minutes; (3) heating a reaction liquid I obtained in step (2) up to 190-210 DEG C, adding one third of the heptyl alcohol, and adding 25% of the catalyst after 5-10 minutes; (4) conducting heat preservation on a reaction liquid II obtained in step (3), adding surplus heptyl alcohol and catalyst into the reaction liquid II for reacting to obtain a crude product; (5) conducting water washing, dealcoholization, decoloring and filtering on the crude product to obtain a finished product. According to the synthetic process, the reaction time is greatly shortened and the reaction temperature is greatly lowered, so that the product quality is guaranteed and the product grade and yield are also improved, and the energy consumption and manufacturing cost are lowered.

The present invention is the preparation process of fatty alcohol acetate with methyl acetate and fatty alcohol as material. In the presence of catalyst, methyl acetate and fatty alcohol are made to produce ester exchange reaction at the reaction temperature of 70-180 deg.c and the reaction pressure of 0.15-2.0 MPa for 2-6 hr before the reaction material is rectified and separated to obtain product fatty alcohol acetate. The fatty alcohol may one of ethanol, propyl alcohol, isopropyl alcohol, butyl alcohol, isobutyl alcohol, amyl alcohol, isoamyl alcohol, hexyl alcohol, isohexyl alcohol, heptyl alcohol, isoheptyl alcohol, capryl alcohol and isocapryl alcohol. The present invention solves the technological problem that methyl acetate has boiling point lower than that of other matter in the ester exchange system and thus can not produce ester exchange reaction with other fatty alcohol.

The invention belongs to the technical field of smoke component detection, and particularly relates to a method for determining floral components in mainstream smoke of cigarettes. The method comprises the following steps: extracting collected cigarette mainstream smoke particulate matters by using acetone to obtain an extracting solution; analyzing the extracting solution by adopting gas chromatography-mass spectrometry, and detecting the content of the floral components by adopting an internal standard method, wherein an internal standard substance used in the internal standard method is storax propionate, and the floral component is composed of heptanol, sec-octyl alcohol, p-toluenemethyl ether, 2-ethylhexanol, ocimene, phenylacetaldehyde and other components with floral fragrance. Themethod disclosed by the invention can be used for simultaneously detecting the contents of the 45 floral components in the cigarette smoke, and has the advantages of rapid detection, high sensitivity,good selectivity and high accuracy.

The invention relates to a stable fuel additive, which is prepared from the following raw materials in parts by weight: 6-11 parts of ethylene glycol methyl ether, 6-8 parts of isobutyl alcohol, 7-10 parts of a nanoparticle magnetic solution, 3-9 parts of sorbitan monooleate, 4-7 parts of normal propyl alcohol, 6-9 parts of dibutyl hydroxytoluene, 3-8 parts of dicyclohexylamine nitrite, 5-7 parts of n-heptanol, 2-6 parts of n-butyl alcohol, 2-5 parts of OP-15, 1-5 parts of a dispersing agent, 3-5 parts of methylsilicone oil and 3-7 parts of linoleic acid. The stable fuel additive provided by the invention has the beneficial effects of being stable in chemical property and not easy to go bad; meanwhile, the use ratio of the fuel is improved; the resource waste is reduced; the stable fuel additive has an excellent economic value.

The invention includes a diester exhibiting improved hydrolytic stability that is an esterification product of a 1-methylheptyl alcohol and a dicarboxylic acid. In some embodiments, the diester is bis(1-methyl heptyl) butanedioate, bis(1-methyl heptyl) nonanedioate and/or bis(1-methyl heptyl) decanedioate. The diester may be natural and/or not sourced from palm. Also contemplated within the scope of the invention are diesters exhibiting improved hydrolytic stability represented by Formula (I):

wherein R¹ is chosen from a linear alkyl group containing four to ten carbon atoms. Also included are personal care compositions comprising any of these diesters and methods of preparing a personal care composition using the inventive diesters, and/or methods of altering the tactile impression and/or skinfeel provided to a user by a personal care composition by combining any of the diesters of the invention and at least one personal care component to form a personal care composition; and topically applying the personal care composition to the hair, skin, and/or nails of a user.

Provided is a low-temperature cosolvent of a polyoxymethylene dimethyl ether and diesel oil mixed fuel and a preparation method of the low-temperature cosolvent, wherein the cosolvent comprises the components in parts by volume: 10 to 20 parts of castor oil, 5 to 10 parts of n-amyl alcohol, 10 to 15 parts of n-hexyl alcohol, 15 to 25 parts of n-heptanol, 25 to 45 parts of n-octyl alcohol and 5 to15 parts of an ethylene-vinyl acetate copolymer. The preparation method comprises the steps: adding n-amyl alcohol into castor oil at room temperature to form a mixed solution, adding n-hexyl alcohol,n-heptanol and n-octanol into the mixed solution in the stirring process, and uniformly mixing, and gradually adding the ethylene-vinyl acetate copolymer in batches in the adding process. According to the low-temperature cosolvent, the mixed fuel can be mutually dissolved in any proportion in low-temperature environments such as high and cold environments and winter environments and can stably coexist for a long time.

The pretreatment solution for electroless plating of the present invention is composed of noble metal colloidal nanoparticles, a sugar alcohol, and water. The colloidal nanoparticles are gold, platinum, or palladium, have an average particle diameter of 5 to 80 nm, and are contained in the pretreatment solution in an amount of 0.01 to 10 g/L as metal mass. The sugar alcohol is at least one selected from the group consisting of tritol, tetritol, pentitol, hexitol, heptitol, octitol, inositol, quercitol, or pentaerythritol and is contained in the pretreatment solution in an amount of 0.01 to 200 g/L in total. The electroless plating method of the present invention uses the pretreatment solution and performs the electroless plating in an electroless plating bath.