172 results about "Cinnamyl alcohol" patented technology

The invention relates to total glycosides of Rhodiola rosea, medical application and a preparation method thereof. In the invention, the total glycoside extract prepared from the Rhodiola rosea contains flavone glycosides, phenethyl alcohol glycosides, cinnamyl alcohol glycosides and total terpenoid glycosides, and is mainly characterized by containing Rhodiola rosea flavone (1).

The invention provides a nano-gold catalyst supported on combined metal oxide, a preparation method and an application thereof. The preparation method comprises the following steps: preparing layered double hydroxides (LDH) precursor crystal nucleus and dispersing the LDH precursor crystal nucleus into sucrose solution; then adding chloroauric acid solution in the obtained mixture so as to reduce Au3+ in HAuCl4 to Au single substances by using the reduction of glucose and fructose produced by sucrose hydrolysis; in the process of reduction, crystallizing the LDHs so as to obtain solid LDH supported on nano-gold; and carrying out high-temperature roasting on the solid LDH supported on the nano-gold so as to obtain the nano-gold catalyst supported on the combined metal oxide. The combined oxide of the catalyst is taken as a carrier on which the nanosize gold particles is supported, wherein the combined oxide refers to MgO or compound of ZnO and Al2O3, and the mole ratio of the MgO to the compound of ZnO and Al2O3 is 2-6:1; the gold capacity is 0.5 to 3 percent, the size of the gold particle is 8 to 15nm, and the gold particle is ellipsoidal or polyhedral. When the catalyst is used in the catalytic hydrogenation reaction of unsaturated aldehydes, the conversion rate of reactants reaches 60 to 97 percent, and the selectivity of cinnamyl alcohol is 40 to 75 percent.

The invention provides hydrotalcite-loaded nanometer platinum catalyst as well as a preparation method and application thereof. The preparation method of the hydrotalcite-loaded nanometer platinum catalyst comprises the following steps of: preparing magnesium-aluminum hydrotalcite crystal nucleus by utilizing an all-return liquid mixing membrane reactor, dispersing the crystal nucleus in an aqueous solution; adding an chloroplatinic acid aqueous solution and tetradecyl trimethyl ammonium bromide (TTAB) as well as a proper proportion reducing agent of NaBH4; controlling the reducing velocity and the growth of Pt nanometer particles by utilizing the protecting and stabilizing effect of the TTAB to the Pt<4+> ion; and gradually crystallizing the hydrotalcite while reducing the Pt<4+> ion to obtain the hydrotalcite-loaded nanometer platinum catalyst. The catalyst is obtained by loading nanometer particles on a hydrotalcite carrier, wherein the chemical formula of the hydrotalcite is as follows: MgxAly(OH)16CO3 nH2O; the platinum nanometer particle dimension is 2 nm-8nm; the nanometer particles are polyhedral or ellipsoidal in appearance; the loading capacity of the platinum is 0.5%-3%; and the dispersion degree on the carrier is 20%-50%. The hydrotalcite-loaded nanometer platinum catalyst can be used for catalytic hydrogenation reaction of unsaturated aldehyde (cinnamyl aldehyde), wherein water is used as solvent, the conversation rate of the reactant cinnamyl aldehyde is 75%-95% and the selectivity of the product cinnamyl alcohol is 75%-95%.

The invention discloses a hollow metal ball with a meso-pore structure and a preparation method and an application thereof. A ball shell of the hollow metal ball is composed of metal nanoparticles with 2-5nm particle diameter and the meso-pore structure, the outside diameter of the ball shell is 10-500nm and the wall thickness is 2-5nm. The hollow metal ball with the meso-pore structure can be used as a hydrogenation catalyst for alkene, acetylene hydrocarbon, aromatic hydrocarbon, phenols, nitriles, and compounds containing unsaturated groups such as nitro compounds or carbonyl compounds, etc., which particularly has catalytic effect on hydrogenation reactions such as preparing cyclohexanone with liquid phenol, preparing maltitol with liquid maltose and preparing cinnamyl alcohol with liquid cinnamic aldehyde. The hollow metal ball with the meso-pore structure prepared by the invention has better catalytic performance than common solid nano-particles and long service life, which can be repeatedly used and still keep hardly changed catalytic efficiency; in addition, the method of the invention has simple preparation process, easily controlling conditions and low cost.

The invention provides electronic cigarette tar which comprises the following components by mass percentage: 90-99% of atomized liquid and 1-10% of coca cola essence, wherein the coca cola essence comprises the following components in parts by weight: 0.1-2 parts of alpha pinene, 0.1-2 parts of beta pinene, 1-30 parts of limonene, 1-10 parts of sweet orange oil, 1-20 parts of lemon oil, 0.1-0.5 parts of myrcene, 0.1-2 parts of cinnamic aldehyde, 0.1-5 parts of cinnamon oil, 0.1-10 parts of citral, 0.1-5 parts of geranial, 1-10 parts of geranyl acetate, 0.1-5 parts of sinensal, 1-10 parts of citronellol, 1-10 parts of geranyl propionate, 0.1-5 parts of eugenol allylguajacol, 0.1-2 parts of ethyl maltol, 0.1-3 parts of furanone, 0.1-5 parts of raspberry ketone, 1-25 parts of cinnamyl alcohol, 1-10 parts of cinnamyl acetate, 1-15 parts of vanillin, 1-15 parts of ethyl vanillin and 0.1-2 parts of coffee extract. The electronic cigarette tar with a coca cola taste is rich and plump in fragrance, and can achieve an effect similar to a pleasant feeling brought by drinking coca cola. The invention further provides a preparation method of the electronic cigarette tar. The method is simple and easy to operate, and is suitable for industrial production.

The invention belongs to the field of daily essence processing, and particularly relates to cigarette essence prepared by utilization of passion fruit and a preparing method thereof. The essence is prepared by mixing following raw material components by weight: 20-30 parts of the passion fruit, 1-3 parts of rose petals, 1-3 parts of sweet osmanthus petals, 5-10 parts of ethyl acetate, 3-8 parts of butyl butyrate, 2-5 parts of ethyl 2-methylbutyrate, 10-15 parts of cinnamyl alcohol and 40-60 parts of ethanol. The essence prepared by the method has advantages of unique fragrance, good effects on smoke, a low cost, a simple preparation process, and the like. In addition, the deep-processing route of the industry of the passion fruit in China is broadened, the value of the passion fruit is increased, and the income of orchard workers is increased.

The invention relates to a method for simultaneously detecting residual amounts of 13 phenolic alcohol sensitization aromatics in a toy. The method realizes simultaneous detection of 13 phenolic alcohol sensitization aromatics such as benzyl alcohol, linalool, 4-methoxyphenol, citronellol, geraniol, 4-ethoxyphenol, anise alcohol, p-tert-butylphenol, cinnamyl alcohol, eugenol, isoeugenol, amylcinnamyl alcohol and farnesol in a toy for the first time by the gas chromatography-ion trap tandem mass spectrometry technology, and fills the technical gap. The method can be used for detecting plush toys, paster toys and plastic toys (prepared from ABS, PVC and PS materials), and has a wide application range and strong applicability. The ion trap tandem mass spectrometry realizes qualification and quantification by two-stage mass spectrometry MS/MS and thus the method has good qualification and quantification effects on a toy sample having a complex matrix.

Biofouling may be prevented or at least mitigated by employing a cinnamaldehyde additive to augment the affect of the conventional biocide. Exemplary cinnamaldehyde additives include, but are not limited to, cinnamaldehyde, cinnamic acid and cinnamyl alcohol. A cinnamaldehyde additive by itself, in some applications, may also inhibit biofouling.

The invention discloses a chitosan oligosaccharide-M-cinnamyl alcohol derivative, and a preparation method and application thereof. The preparation method comprises the following steps: chitosan oligosaccharide and cinnamyl bromide are dissolved in an organic solvent and then are mixed, a catalyst is added, stirring is performed, a water bath reaction is conducted for 6 h, dialysis is conducted with water for 48 h after the reaction is completed, and vacuum freeze drying is conducted to obtain the chitosan oligosaccharide-M-cinnamyl alcohol derivative, wherein the molar ratio of the chitosan oligosaccharide to the cinnamyl bromide is 1: (1-3). A cinnamyl group is grafted on an active amino group and a hydroxyl group of the chitosan oligosaccharide through bromine atoms in the cinnamyl group, so that the antibacterial activity of the chitosan oligosaccharide is enhanced, the chitosan oligosaccharide derivative with good solubility and mutual synergy is obtained, and the chitosan oligosaccharide derivative has a good application prospect in the fields of medicines, foods, cosmetics and agriculture.

The invention discloses a safe mothproofing agent comprising trimethyl norborneol, a cinnamyl alcohol analogue, deltamethrin and talcum powder which are mixed. The invention has the advantages of reasonable prescription, convenient preparation, low production cost and good mothproofing effect.

The invention belongs to the chemical technical field, in particular to an amorphous catalyst containing cobalt and boron used in cinnamyl alcohol preparation by virtue of hydrogenation on cinnamic aldehyde and a preparation method thereof. The catalyst is composed of cobalt, boron and metal or metallic oxide modifier Fe. Cobalt is mainly existed in Co-B or Co-Fe-B amorphous alloy form, and the amorphous alloy contains 1 part of cobalt, 0.08-0.20 part of boron and 0-1.15 parts of Fe by weight proportion. The catalyst is made by the steps that Co2+ ion and oxidized Fe are reduced by BH4- ion and foreign ion is removed. Being applied to reaction for preparing cinnamyl alcohol by selective hydrogenation on cinnamic aldehyde, the catalyst has the advantages of simple operation and higher cinnamic aldehyde hydrogenation selectivity.

A photocatalyst comprising silver orthophosphate (Ag₃PO₄) is used for selective and exhaustive conversion of alcohols into their corresponding carbonyl compounds; namely, benzyl alcohol, 4-methoxy benzyl alcohol and/or cinnamyl alcohol with >99% yield. The reactions were carried out in double distilled water at room temperature and pressure under sunlight-type excitation. Oxidation of alcohols is selective and Ag₃PO₄ may be active for a variety of other essential oxidation reactions.

The invention discloses a method for producing cinnamyl alcohol and specifically relates to application of a ZSM-5 molecular sieve loaded cobalt catalyst in preparation of cinnamyl alcohol. Cinnamyl aldehyde is taken as a raw material, and reacts continuously for 6 hours in the presence of the ZSM-5 molecular sieve loaded cobalt catalyst under the hydrogenation condition, thereby generating the cinnamyl alcohol, and ethanol is used as a solvent, and the dosage volume ratio of the cinnamyl aldehyde to the solvent is 1: (10-50); and the reaction conditions are as follows: temperature 100 DEG C and pressure 2 Mpa. According to the invention, the conversion ratio of the cinnamyl alcohol can be effectively improved, the selectivity is high, the reaction conditions are easy to control, and the like.

The invention relates to osmanthus flower essence for water-based ink. The osmanthus flower essence for the water-based ink consists of the following ingredients in percentage by weight: 1 to 30 percent of osmanthus flower essence, 5 to 55 percent of composite modified oligosaccharide and deionized water, wherein the osmanthus flower essence consists of beta-ionone, dihydro-beta-ionone, linalool, alpha-jasminolene, alpha-amyl cinnamic aldehyde, isoamyl salicylate, benzyl salicylate, benzyl benzoate, galaxolide, citronellol, geraniol, cinnamyl alcohol, cognac oil, tetradecyl aldehyde, para-mentha-8-thiolone with the mass percent concentration being 1 percent, terpilenol, methyl anthranilate, osmanthus flower extracts and ethyl alcohol. The invention also provides a preparing method of the osmanthus flower essence for the water-based ink. The composite modified oligosaccharide is used as a wall material; the osmanthus flower essence is coated to form nanocapsule slow-release essence, so that the fragrance retention and the water solubility of the essence are improved; the preparing method is applicable to the perfuming of the water-based ink. The osmanthus flower essence for the water-based ink has the advantages that the fragrance is exquisite; the natural feeling is high; the fragrance retention is durable.

The invention discloses a high-temperature-resistant bearing lubricant additive. The high-temperature-resistant bearing lubricant additive is prepared from, by weight, 6-12 parts of sodium dodecyl benzene sulfonate, 4-8 parts of fatty alcohol polyoxyethylene ether carboxylate, 5-9 parts of triphenyl phosphorothioate, 3-9 parts of zinc dialkyl dithiophosphate, 4-6 parts of para aminobenzoic acid, 6-9 parts of octyl phenol, 3-5 parts of calcium alkyl salicylate, 2-3 parts of a fluorinated surfactant, 2-5 parts of a fluorinated surfactant, 2-4 parts of cinnamyl alcohol, 5-12 parts of diisocyanate, 8-15 parts of dodecencylsuccinic acid, 3-6 parts of inositol hexaphosphoric acid, 4-8 parts of modified aluminium triphosphate, 4-8 parts of a viscosity index improver, 4-8 parts of an oxidation and corrosion inhibitor and 4-8 parts of an extreme pressure antiwear agent. Compared with the prior art, the lubricant additive has the advantages that the additive properties can be optimized through the compounding effect of multiple auxiliaries, the good lubricant property enhancing effect can be achieved through a little amount of the additive, the high temperature resistance, the viscosity property and the wear resistance of a lubricant can be promoted, and the quality of the lubricant is greatly promoted.

The invention relates to the field of cosmetics, and in particular relates to natural moisturizing and hydrating cream containing a grifola frondosa extract. The natural moisturizing and hydrating cream containing the grifola frondosa extract is prepared from the following raw materials in parts by weight: 20-30 parts of a grifola frondosa extract, 5-10 parts of an imperata koenigii extract, 10-20 parts of a natural extract, 5-10 parts of aloe gel juice, 10-15 parts of deionized water, 10-20 parts of glycerin, 20-30 parts of cinnamyl alcohol and 2-5 parts of a natural essence. Various physical and chemical indexes of the hydrating cream provided by the invention can reach or exceed national standards; and the hydrating cream adopts the same production process as that of conventional hydrating cream, adopts all natural ingredients, ensures that all the sensory indexes and physical and chemical indexes meet the specified requirements, is good in use effect, and cannot cause adverse effects to a human body.

The invention relates to strawberry essence for oil-based ink. The strawberry essence consists of strawberry essence, maltodextrin and starch sodium octenylsuccinate, wherein the strawberry essence consists of ethyl acetate, isoamyl acetate, ethyl caproate, ethyl butyrate, allyl hexanoate, leaf alcohol, cis-3-hexenyl acetate, decalactone, peach aldehyde, ethyl benzoate, geranyl acetate, citronellyl acetate, dihydrojasmonic acid methyl ester, hexyl salicylate, linalool oxide, trans-2-hexenol, eugenol, cinnamyl alcohol, cinnamyl acetate, beta-Ionone, vanillin, methyl cyclopentenolone, furanone, raspberry ketone, ethyl methylphenylglycidate, ethyl palmitate, benzyl benzoate and glycerol triacetate. The invention also provides a preparation method of the strawberry essence for the oil-based ink. The strawberry essence, the maltodextrin, the starch sodium octenylsuccinate and water are mixed; homogenizing and emulsification are performed; then, spray drying is carried out; particular strawberry essence is formed, so that the aroma retaining effect and the oil solubility of the essence are improved; the strawberry essence is applicable to perfuming of the oil-based ink.

The invention relates to the field of cosmetics, and in particular relates to natural moisturizing and hydrating cream containing a chestnut tree extract. The natural moisturizing and hydrating cream containing the chestnut tree extract is prepared from the following raw materials in parts by weight: 20-30 parts of the chestnut tree extract, 10-20 parts of a natural extract, 5-10 parts of aloe gel juice, 10-15 parts of deionized water, 10-20 parts of glycerin, 20-30 parts of cinnamyl alcohol and 2-5 parts of a natural essence. Various physical and chemical indexes of the hydrating cream provided by the invention can reach or exceed national standards; and the hydrating cream adopts the same production process as that of conventional hydrating cream, adopts all natural ingredients, ensures that all the sensory indexes and physical and chemical indexes meet the specified requirements, is good in use effect, and cannot cause adverse effects to a human body.

The invention relates to an emulsion, and a processing system and a processing method thereof. The emulsion comprises 12-20 wt% of an aloe liquid, 2 wt% of an essence, 2-3 wt% of cactus extract, 10-18wt% of a plant perfume, 4-6 wt% of cinnamyl alcohol ether, and the balance of deionized water. The processing method comprises the following steps: 1, the telescopic ends of a plurality of telescopicmechanisms II are set to be at different horizontal heights according to the adding sequence of different raw materials, and a plurality of pushing bottom plates are pushed to different horizontal heights by the telescopic ends of the plurality of telescopic mechanisms II correspondingly; 2, a plurality of injection pipelines are connected with different raw material pipelines respectively, and amotor I and a motor II are turned on; 3, the motor II drives the plurality of pushing bottom plates to push height conical wheels to ascend and descend by different horizontal heights through the lower ends of sliding columns II; and 4, the height conical wheels push sliding columns I with different horizontal heights to open corresponding outlet pipelines correspondingly, and the different raw materials are injected into a storage barrel.

The invention relates to the technical field of chemical industry, specifically to lubricating oil. The lubricating oil is composed of the following raw materials in parts by weight: 65 to 85 parts ofbase lubricating oil, 4 to 10 parts of polyurethane, 2 to 8 parts of carbon fiber, 6 to 15 parts of tetraethyl orthosilicate, 4 to 9 parts of 4-carboxybenzaldehyde, 2 to 6 parts of diisocyanate, 1 to8 parts of glycerol monostearate, 1 to 6 parts of benzotriazole, 3 to 10 parts of sulfurized calcium alkyl phenolate, 5 to 10 parts of sodium salicylate, 6 to 12 parts of graphite, 5 to 11 parts of magnesium chloride, 1 to 5 parts of cinnamyl alcohol and 11 to 17 parts of silicon carbide. The lubricating oil provided by the invention has the advantages of stable components, cheap and easily-available raw materials, low production cost, good high-temperature performance and wear resistance, excellent freezing resistance and viscosity, and long service life.

The invention relates to the field of cosmetics and particularly relates to chestnut tree extract-containing natural aftershave. The chestnut tree extract-containing natural aftershave is prepared from the following raw materials in parts by weight: 10-20 parts of chestnut tree extract, 5-10 parts of natural extract, 5-10 parts of aloe gel juice, 150-200 parts of deionized water, 2-5 parts of marine alga extract, 2-5 parts of citric acid, 2-5 parts of marine salt, 3-5 parts of hydroxyethyl cellulose, 10-15 parts of cinnamyl alcohol and 0-3 parts of natural essence. According to the aftershave provided by the invention, various physical and chemical indices reach or exceed the national standards, the production process of the aftershave is the same as that of the traditional aftershave, fully-natural ingredients are adopted, sensory indices and the physical and chemical indices meet specified requirements, the use effect is good, and no adverse reaction on human bodies exists.