48 results about "Decene" patented technology

Processes for making aviation fuels include a step of forming a C16− olefin stream by oligomerizing a mixture of decenes with a C6− alpha-olefin or by subjecting the mixture of decenes and a C8− alpha-olefin to metathesis. The C16− olefin stream is then hydrogenated to form C16− paraffins, and these C16− paraffins can be used to form an aviation fuel. Particular C11-C16 olefin compositions and paraffin compositions prepared by these processes also are described.

The application discloses a high-efficiency paint-removing liquid, a preparation method thereof and a wet wipe, wherein the high-efficiency paint-removing liquid comprises, in terms of mass fractions, an alcohol ether solvent, N,N-dimethyl-9-decenamide, an emulsifier, a penetrating agent, a humectant, limonene and a preservative; the alcohol ether solvent is used to improve the polarity of the whole system, can soften and swell the paint film well, and reduce the adhesion of the paint film to a base material; the N,N-dimethyl-9-decenamide is used as a main surface-active paint remover, and the penetrating property of the N,N-dimethyl-9-decenamide can make the paint molecular chain break, so that the paint molecular structure is decomposed; the alcohol ether solvent and the N,N-dimethyl-9-decenamide can cooperate to make the paint layer easy to peel off; the penetrating agent is further used to enhance the emulsification and dispersion of the paint, help the softened and decomposed paint particles stably disperse in the solution, prevent the paint particles from being redeposited, and facilitate subsequent cleaning and removal; and the limonene is used as a complexing agent and cooperates with other components to realize the high-efficiency and thorough paint-removing effect.

The application discloses a use method and application of a vegetable bud inhibition agent, and belongs to the technical field of plant body or local preservation and plant growth regulator. The application uses furan sulfide compounds as a bud inhibition agent to perform fumigation treatment on rhizome vegetables, so that the bud inhibition effect of the rhizome vegetables can be effectively delayed. The product has good bud inhibition effect, and the bud inhibition effect is comparable to that of 3-decene-2-butanone and menthol essential oil which are commercially used. The method has low bud inhibition cost, and can be used as a green alternative technology of traditional fumigation agents such as chloranil. The furan sulfide compounds as active ingredients are commonly used as food essence and spices, belong to food additives, and are widely applied in the food industry, are safe to use, simple to operate and low in cost.

The invention relates to a method for catalytically synthesizing 2, 4-disubstituted phthalazine 1-(2H)-ketone from 1, 5, 7-triazabicyclo [4.4. 0] dec-5-ene. According to the method, 3-alkenyl phthalide and hydrazine compounds are taken as initial raw materials, TBD which is low in price and easy to obtain is taken as a catalyst, sodium tert-butoxide is taken as alkali, reaction is carried out at room temperature, and the 2, 4-disubstituted phthalazine 1-(2H)-ketone is obtained at high yield. According to the method, the cheap TBD is adopted as the catalyst, the reaction is carried out under the room temperature condition, and compared with a traditional reaction strategy, the economic cost is greatly reduced, the steps are simple, heating and a transition metal catalyst are not needed, operation is convenient, the yield is high, the cost is low, and good economic benefits are achieved.

Processes for making aviation fuels include a step of forming a C16- olefin stream by oligomerizing a mixture of decenes with a C6- alpha-olefin or by subjecting the mixture of decenes and a C8- alpha-olefin to metathesis. The C16- olefin stream is then hydrogenated to form C16- paraffins, and these C16- paraffins can be used to form an aviation fuel. Particular C11-C16 olefin compositions and paraffin compositions prepared by these processes also are described.

The present invention provides a (6Z)-6-tridecenyl metal compound (1) wherein M1 represents Li or MgZ1, and Z1 represents a halogen atom or a (6Z)-6-tridecenyl group; also provided is a method for preparing a compound (1) comprising the steps of: preparing a (3Z)-3-decenyl metal compound (3) from a 1-halo-(3Z)-3-decenyl compound (2), where X1 represents a halogen atom, where M2 represents Li or MgZ2, and Z2 represents a halogen atom or a (3Z)-3-decenyl group; a coupling reaction of the compound (3) with a 1, 3-dihalopropane compound (4), where X2 and X3 independently of each other represent a halogen atom, to form a 1-halo-(6Z)-6-tridecene compound (5), where X4 represents a halogen atom; and preparing a (6Z)-6-tridecenyl metal compound (1) from the compound (5).

The application discloses a sorghum aphid repellent, wherein the efficacy component is trans-2-decenal, and the trans-2-decenal can be configured into a liquid paraffin solution of trans-2-decenal for use, preferably a liquid paraffin solution of 0.1 mu g / mu L-0.5 mu g / mu L trans-2-decenal. The sorghum aphid repellent is prepared from existing chemical products, the components are stable, the preparation method is simple, the repellent effect on the sorghum aphid is obvious, and the sorghum aphid repellent is expected to be used in the prevention and control of the sorghum aphid. The repellent can be used for preventing the harm of the sorghum aphid, the compound in the application is an industrial raw material, the preparation method is simple, the price is low, the compound is safe for human and livestock, and the environment is not polluted, so the application has a wide application prospect.

The application discloses a method for synthesizing N-(hetero) aryl sulfonamide compounds. The method uses bipyridine as a ligand, nickel acetate or nickel chloride as a catalyst, low-cost low-activity (hetero) aryl chloride and different types of sulfonamides as substrates, 1,8-diazabicycloundec-7-ene, tetramethyl guanidine, 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene and the like as organic bases, and tetra-n-butylammonium iodide as an additive. The C-N coupling reaction of (hetero) aryl chloride and sulfonamide is realized by light-induced nickel catalysis in an argon atmosphere, so as to realize the synthesis of various (hetero) aryl sulfonamide compounds. The reaction system is simple, the operation is simple, the reaction condition is mild, the post-treatment is simple, the yield is good, the substrate range is wide, the use of traditional expensive metal catalysts and inorganic bases is avoided, the problems of complex catalytic system reaction and poor functional group compatibility are solved, and the method is a simple and efficient method for synthesizing (hetero) aryl sulfonamide compounds. The method has good application prospect.

This invention relates to the field of micro / nano manufacturing technology, and in particular to a high-refractive-index fluidized nanoparticle, a hybrid photoresist, a patterned coating, and methods for preparing the respective. The high-refractive-index fluidized nanoparticle comprises a core, the core being modified with a first ligand and a second ligand; the first ligand is one or more selected from methacrylic acid, 4-pentenoic acid, methacryloxypropyltrimethoxysilane, and sodium methacrylate sulfonate; the second ligand is one or more selected from piperidine, N,N-diisopropylethylamine, 1,5,7-triazabicyclo[4.4.0]decene-5-ene, tetramethylguanidine, triethylamine, and tetrahydropyrrole. This invention, through the design of ultra-small metal oxide nanoparticles and innovative organic ligands, successfully solves the technical contradiction of traditional photoresist materials in achieving high resolution, high refractive index, and low curing shrinkage.

The present invention provides a repellent composition for mites which is excellent in mite-repelling effect against indoor mites even after a long period of time and is also excellent in safety to humans and animals. The present invention relates to a repellent composition for mites, which contains: (a) 1,8-cineol and / or 1,4-cineol and (b) a perfume ingredient, wherein the perfume ingredient contains one or two or more kinds of perfume compounds having a logP value of 2.0 to 5.5. The mixing ratio (a) / (b) of the (a) ingredient to the perfume compounds contained in the (b) ingredient is set to 5 to 100 on a mass basis. The perfume compounds contained in the (b) ingredient are at least one selected from the group consisting of ethyl cinnamate, allyl caproate, 3-methyl-5-phenyl-1-pentanol, citronellol, δ-dodecalactone, β-ionone, benzyl benzoate, linalyl acetate, geranyl acetate, tricyclo decenyl propionate, benzyl salicylate, limonene, and amyl salicylate.

The present invention specifies an unpleasant odor, which is a semi-dry odor generated by a fibrous product such as clothing, towels, bedding, and the like, and provides a perfume composition, a common consumer product, and the like, which are capable of reducing the unpleasant odor. The perfume composition according to the present invention can exert a deodorizing (masking) effect on unpleasant odors, which are half-dry odors, by containing, as a masking active ingredient, one or more compounds selected from the group consisting of 3-(4-tert-butylphenyl) propionaldehyde, 3-tricyclo [5.2. 1.02, 6] deca-3-alkenyl acetate, 3-(4-ethylphenyl)-2, 2-dimethylpropionaldehyde, ethyl 2-cyclohexyl propionate, and the like.

The invention relates to the field of macromolecules, in particular to hydrogenated dimer decene as well as a preparation method and application thereof. The invention provides hydrogenated decene with lower kinematic viscosity required in the field of cosmetics, a preparation method of the hydrogenated decene and application of the hydrogenated decene in preparation of cosmetics, a catalyst and a step process which are completely different from those in the prior art are adopted, the preparation method is more specific to quality control of dimers, generation of polymers is reduced, and the production cost is reduced. The yield of the dimer is increased, the effect of reducing the kinematic viscosity of the product is achieved, and industrial production is easier to realize.

The present application relates to a kind of compound 2-[(full-E)3,7,11,15,19,23,27,31,35,39-decamethyl-2,6,10,14,18,22,26,30,34,38-tetracosaalkyl]-5,6-dimethoxy-3-methyl-p-benzoquinone crystal form and its preparation method and application, belong to chemical engineering crystallization field.The technical problem to be solved is to provide a crystal form with significantly improved stability, significantly improve the light stability of the compound, and further more conducive to storage and transportation, better ensure the consistency of therapeutic effect, reduce the effect fluctuation or adverse reaction caused by dissolution difference.Characteristic diffraction peak of X-ray powder diffraction pattern expressed by 2θ value ± 0.2° using Cu-Kα radiation includes 4.70, 6.25, 15.65, 17.22, 19.18, 20.45, 27.39.

The invention relates to the technical field of plastic particles, in particular to toughened high-barrier plastic particles. The plastic particles prepared by the invention overcome the problems of insufficient mechanical properties and poor vapor, oxygen and ultraviolet ray barrier properties of plastic particles in the prior art. The anti-aging agent, alkenyl-terminated polysiloxane modified polyvinyl alcohol and acrylic emulsion modified epoxy resin prepared by using perfluorooctyl ethyl acrylate as a functional monomer are used, nano silicon dioxide is modified by using dodecafluoro-9-decenetrimethoxysilane, and the flexibilizer and related auxiliaries are added, so that the anti-aging and anti-aging composite material is prepared. The toughened high-barrier plastic particles are prepared through melt extrusion; polysiloxane is used for modification, so that the tensile property of the plastic particles is improved; the flexibilizer is added, so that the impact strength of the plastic particles is improved; the modified nano inorganic matter is used for improving the oxygen barrier property of the particles; by introducing the fluorine-containing compound, the water vapor barrier property of the plastic particles is improved; by controlling the dosage of the anti-aging agent, the ultraviolet barrier property of the plastic is improved.

The present invention relates to a process for the preparation of aromatic carboxyamides of formula I, which can be obtained by a palladium-catalyzed carbonylation reaction of aromatic chlorides of formula II, amines of formula III and carbon monoxide in the presence of 1,5,7-triazabi-cyclo[4.4.0]dec-5-ene. The invention further relates to a process for the preparation of aryl-5-trifluoromethyl-1,2,4-oxadiazoles, which are known for controlling phytopathogenic fungi.

Process for making sustainable aviation fuel (SAF) from specific bio-ethylene oligomerization reactions producing a C4-C8 alpha-olefin and a by-product mixture of C10 olefins. This mixed decene stream is upgraded by further oligomerizing with at least one C4-C6 alpha-olefin to provide a C16− olefin stream, which is hydrogenated to C16− paraffins which is used to form a SAF. Employing bio-ethylene to produce the mixed decene stream, which is relatively low-value due in part to its non-selectivity, leverages that non-selectivity into a desirable sustainable aviation fuel product where the low selectivity is preferable. These and other embodiments and aspects are described herein.

This invention belongs to the field of cosmetic technology, specifically relating to a composition containing 10-hydroxy-2-decenoic acid and its application. The composition is obtained by compounding probiotic-fermented brown algae, pterostilbene, and 10-hydroxy-2-decenoic acid in a certain proportion. Experiments have shown that the components of the above composition can produce a synergistic effect, significantly inhibiting the production of inflammatory factors, resisting inflammatory aging, and inhibiting lipid peroxidation. Furthermore, this invention unexpectedly discovered that compounding probiotic-fermented brown algae, 10-hydroxy-2-decenoic acid, and pterostilbene can significantly improve the light and heat stability of pterostilbene, thus possessing good practical application value.

The invention provides a method for catalyzing metathesis reaction of aluminum oleate based on a ruthenium-based catalyst, and belongs to the field of olefin metathesis and the technical field of olefin synthesis. The method for catalyzing the metathesis reaction of the aluminum oleate based on the ruthenium-based catalyst comprises the following steps: in the presence of an organic solvent, carrying out acid-base reaction on oleic acid and an aluminum alkyl reagent to obtain an aluminum oleate homogeneous solution; adding a ruthenium-based catalyst and a cocatalyst into the aluminum oleate homogeneous solution, and catalyzing the aluminum oleate and ethylene to generate a metathesis reaction in the presence of ethylene to obtain a metathesis product; wherein the metathesis product comprises a cross metathesis product of 9-decenoic acid aluminum salt and 1-decene, and the cross metathesis product is obtained by carrying out cross metathesis reaction on aluminum oleate and ethylene. The method disclosed by the invention has the effects of relatively mild reaction conditions, relatively high oleic acid conversion efficiency and relatively high product selectivity.

Processes for making aviation fuels include a step of forming a C16− olefin stream by oligomerizing a mixture of decenes with a C6− alpha-olefin or by subjecting the mixture of decenes and a C8− alpha-olefin to metathesis. The C16− olefin stream is then hydrogenated to form C16− paraffins, and these C16− paraffins can be used to form an aviation fuel. Particular C11-C16 olefin compositions and paraffin compositions prepared by these processes also are described.

The invention provides a method of microbial control in water comprising adding to the water one or more bromine-based biocide(s) and cis-2-decenoic acid or a salt thereof. Compositions in the form of liquid concentrates comprising bromine-based biocides and cis-2-decenoic acid or a salt thereof are also described.

The present invention provides a related substance of (3S)-3-(4-(3-(1,4-dioxaspiro[4,5]dec-7-en-8-yl)benzyloxy)phenyl)hex-4-inoic acid, and a method for evaluating the quality of (3S)-3-(4-(3-(1,4-dioxaspiro[4,5]dec-7-en yl)benzyloxy)phenyl)hex-4-inoic acid using the same. According to the present invention, it is possible to evaluate the quality, stability and the like of a pharmaceutical composition comprising (3S)-3-(4-(3-(1,4-dioxaspiro[4,5]dec-7-en-8-yl)benzyloxy)phenyl)hex-4-inoic acid using a compound of Chemical Formula 2 or a salt thereof as a reference standard.

The invention belongs to the field of food additive essence. The invention discloses pot gas essence and a preparation method and application thereof, and the pot gas essence comprises the following components: caprylic / capric triglyceride, benzyl alcohol, black pepper oil, 2-acetylpyrazine, methylcyclopentenolone, ethyl maltol, 4-hydroxy-2, 5-dimethyl-3 (2H) furanone, 2-tridecanone, acetic acid, 2, 5-dimethylpyrazine, furfuryl mercaptan, 1, 3, 4-trimethyl-1, 3-pentanediol, 1, 3, 4-trimethyl-1, 3-pentanediol, 1, 3, 4-trimethyl-1, 3-pentanediol, 1, 3, 4-trimethyl-1, 3-pentanediol, 1, 3, 4-trimethyl-1, 3-pentanediol, 1, 3, 4-trimethyl-1, 3- The invention relates to an anti-rust oil which is prepared from 1, 8-cineole, 3-(methylthio) propionaldehyde, oleic acid, phenethyl alcohol, sesame oil, 2-decenal, 2, 4-undecadienal, phenylacetaldehyde, 3-(methylthio) butyraldehyde, 3-(methylthio) propanol, bis (2-methyl-3-furyl) disulfide, 2-methyl-3-mercaptofuran and 2, 3-pentanedione. The pot gas essence can simulate real pot gas flavor, and prepared food is good in temperature resistance, high in verisimilitude, lasting and stable in flavor, small in dosage and low in cost and has high application value.

Processes for making aviation fuels include a step of forming a C16− olefin stream by oligomerizing a mixture of decenes with a C6− alpha-olefin or by subjecting the mixture of decenes and a C8− alpha-olefin to metathesis. The C16− olefin stream is then hydrogenated to form C16− paraffins, and these C16− paraffins can be used to form an aviation fuel. Particular C11-C16 olefin compositions and paraffin compositions prepared by these processes also are described.

An alpha olefin synthesis process comprising (i) subjecting a first normal alpha olefin to hydroformylation in the presence of carbon monoxide and hydrogen to form a first linear aldehyde, (ii) subjecting the first linear aldehyde to decarbalkenolation to form a linear internal olefin, (iii) subjecting the linear internal olefin to isomerization-hydroformylation in the presence of carbon monoxide and hydrogen to form a second linear aldehyde, and (iv) subjecting the second linear aldehyde to hydrogenation to form a linear alcohol followed by dehydration to form a second normal alpha olefin, or subjecting the second linear aldehyde to combined hydrogenation-dehydration in a single step to form a second normal alpha olefin. Using this process, for example, ethylene can be converted to 1-hexene, and 1-butene can be converted to 1-decene.

Provided is a process for depolymerization of a poly(C2-C4 alkylene terephthalate), which comprises contacting a poly(C2-C4 alkylene terephthalate) with methanol and a catalyst chosen from potassium carbonate, sodium carbonate, magnesium methoxide, 1,8-diazabicyclo[5.4.0]undec-7-ene, and triazabicyclodecene, at a temperature sufficient to effect said depolymerization. The process of the invention can be carried out a substantially lower temperature and requires less methanol than necessary for zinc acetate-catalyzed reactions, and is sufficiently robust to tolerate lower-quality poly(C2-C4 alkylene terephthalate) scrap feeds.

The invention provides a catalyst for green synthesis of cloquintocet-mexyl and a preparation method thereof, and belongs to the technical field of catalysts, the catalyst comprises a polymer skeleton carrier and an active component loaded on the carrier; the polymer skeleton carrier is a super-crosslinked polystyrene-based porous network; the active component is 1, 5, 7-triazabicyclo [4.4. 0] dec-5-ene; 1, 5, 7-triazabicyclo [4.4. 0] dec-5-ene is immobilized on the polymer skeleton carrier through a covalent bond. According to the present invention, the organic strong base 1, 5, 7-triazabicyclo [4.4. 0] dec-5-ene is immobilized on the super-crosslinked polystyrene skeleton having the rigid pore channel by using the covalent bond so as to construct the heterogeneous catalyst having the reaction activity and the structure stability;

The invention relates to the technical field of cosmetics, in particular to moisturizing glaze cream with modifying, repairing and brightening effects and a preparation method of the moisturizing glaze cream. The moisturizing glaze paste is prepared from the following raw materials: a phase A1, a phase A, a phase B, a phase C, a phase D and a phase E, the phase A1 comprises a hydrogenated (styrene / isoprene) copolymer, pentaerythritol tetra (bis-tert-butyl hydroxy hydrocinnamic acid) ester, octyldodecanol and hydrogenated polyisobutene; and the phase B comprises the following raw materials: castor seed oil, hydrogenated castor oil, butyrospermum parkii butter, hydrogenated decene dimer, an ethylene / propylene / styrene copolymer and polyisobutene. The moisturizing glaze cream prepared by the invention can realize 8-hour long-acting moisturizing, has the effects of'glaze 'bright gloss and natural modification, is smooth and easy to smear, regular in forming, stable in performance and high in safety, is suitable for most skin types, and meets the comprehensive requirements of consumers on'modification-moisturizing-repairing-gloss' of beauty makeup products.

The invention relates to the technical field of green prevention and control of Cannidosa dunaliella, in particular to a composition for luring Cannidosa dunaliella and application thereof. The composition for inducing the yellow thorn moth comprises (7Z)-7-decene-1-alcohol acetate, trans-12-tetradecene-1-alcohol and cis-3-hexene-1-alcohol, and the composition for inducing the yellow thorn moth comprises (7Z)-7-decene-1-alcohol acetate and the trans-12-tetradecene-1-alcohol. The invention aims to solve the problems of high probability of outbreak, high harm and serious loss of the yellow thorn moth in the forest and fruit planting area in Xinjiang and the problems of enhanced drug resistance and serious environmental pollution caused by long-term dependence on chemical prevention and treatment.

This invention discloses an alkaline ionic liquid catalyst, its preparation method, and its application. The alkaline ionic liquid catalyst has the structural formulas [DBUH]phy, [TBDH]phy, and [DBUH]tbd. The calculated amounts of 1,8-diazabicycloundec-7-ene (DBU), 1,5,7-triazidobicyclo(4,4,0)dec-5-ene (TBD), and phenol (phy) are reacted to obtain the alkaline ionic liquid catalyst. It is used to synergistically catalyze a series of reactions between aliphatic diols and CO2 to synthesize cyclic carbonates with H2SO4, exhibiting high selectivity and wide applicability. Compared with existing cyclic carbonate synthesis processes, the synthesis of cyclic carbonates via alkaline ionic liquid catalysts from aliphatic diols and CO2 is safer, pollution-free, and features good catalyst stability, low dosage, high selectivity, and no byproducts.