25 results about "Camphene" patented technology

The attractant is composed of (1R)-2, 2-dimethyl-3-methylene dicycloheptane, pinene, camphene and other components, 95% ethyl alcohol is used as a solvent, porous silica gel microspheres with the average pore size of 2-5 nm are matched to serve as a slow-release carrier, and the pine tree longicorn attractant is prepared. The preparation method comprises the steps of step-by-step mixing, ultrasonic dispersion, standing reaction and slow-release packaging, and process parameters of each step are accurately controlled. Compared with the prior art, the pine tree longhorn beetle attractant has the remarkable advantages that through precise matching of the components and collaborative optimization of technological parameters, triple breakthrough of the pine tree longhorn beetle attractant in targeting, stability and cost control is achieved, and an efficient and reliable technical scheme is provided for green prevention and control of pine wood nematode diseases.

The present invention belongs to the technical field of pain relief preparations, and particularly relates to a pain relief preparation, a preparation method thereof and an application. The pain relief preparation is composed of (+)-camphene, a propylene glycol extract of Bupleurum chinense DC. and pharmaceutically acceptable excipients. Among them, the mass ratio of (+)-camphene to the propylene glycol extract of Bupleurum chinense DC. is 1-2.5:1. The propylene glycol extract of Bupleurum chinense DC. is prepared by the following method: Bupleurum chinense DC. is ground into powder, mixed with propylene glycol, extracted by ultrasonic treatment, filtered, the filtrate is collected and dried to obtain the propylene glycol extract of Bupleurum chinense DC. The present invention also provides a preparation method of the pain relief preparation, and proves the application of the pain relief preparation in relieving acute pain and postherpetic neuralgia, expanding the types of pain relief preparations.

The invention relates to the technical field of traditional Chinese medicine detection, in particular to a method for determining the content of various components in blumea balsamifera oil. According to the method, a gas chromatography-mass spectrometry (GC-MS) technology is adopted, and chromatographic conditions are as follows: a chromatographic column is an SH-Stabilwax (30m * 0.32 mm, and the film thickness is 0.25 [mu] m) capillary column; the temperature of a sample inlet is 230 DEG C; the split ratio is 10: 1; the sample size is 1 microliter; the mass spectrum conditions are as follows: the ion source temperature is 200 DEG C; the interface temperature is 230 DEG C; the ionization mode is electron impact ion (EI); the detection voltage is 0.2 KV; the solvent is delayed for 2 minutes; the mass number scanning range is 30 to 400 amu; and SIM mode. According to the method disclosed by the invention, the contents of alpha-pinene, camphene, beta-pinene, limonene, p-cymene, camphor, alpha-coumarin, linalool, bornyl acetate, beta-caryophyllene, myrtenal, alpha-caryophyllene, L-borneol, perillaldehyde, caryophyllene oxide, guaiacol, beta-eudesmol and xanthoxylin in the blumea balsamifera oil can be simultaneously determined; the method provided by the invention has good precision, repeatability and stability, and the quality consistency of the blumea balsamifera oil can be quickly, accurately and effectively evaluated through detection of multiple components.

This invention provides a method for preparing a self-supporting electrode sheet. First, an electrode active material, a conductive agent, a solid additive, and a binder are mixed to obtain a mixture. Then, the mixture is fiberized and shaped to obtain the self-supporting electrode sheet. This application also provides a dry-process electrode sheet. Due to the introduction of camphene, the dry-process electrode sheet provided by this application becomes more flexible, cracking is suppressed, and rate performance is significantly improved.

Methods and systems for recovering terpenes and controlling the composition of terpenes collected from wood drying processes are provided. In particular, a sorbent having adsorbed materials, including terpenes, from a wood drying process can be desorbed in a desorber, resulting in a gaseous stream containing terpenes, which can be condensed and collected from the gaseous stream. The conditions of desorption can be controlled to ensure a desirable amount of alpha-pinene and beta-pinene relative to other terpenes, such as dipentene and camphene, in the collected terpenes.

The invention belongs to the technical field of rosemary planting, and particularly relates to a method for increasing the content of volatile components of rosemary, and gibberellin is applied to the rosemary. According to the method, gibberellin is applied to rosemary, so that the content of volatile components in rosemary plants is increased, such as the content of any one of alpha-pinene, o-cymene, camphene, sabinene hydrate, linalool and camphor.

The utility model is applicable to the technical field of reaction kettles, and discloses a preparation device of isobornyl methacrylate, which comprises a reaction kettle, a first stirring mechanism, a spraying pipe and a feeding assembly. According to the reaction kettle disclosed by the utility model, the spraying pipe is arranged in the reaction kettle and is connected with the methacrylic acid feeding assembly, so that the methacrylic acid and the camphene are fed step by step, and the methacrylic acid can drop into the camphene from the spraying hole in a liquid drop form and is fully dispersed in the camphene under the stirring action of the first stirring mechanism; methacrylic acid is added into the reaction kettle and dissolved in camphene, so that the methacrylic acid can be fully and uniformly mixed with the camphene after being completely added into the reaction kettle, and when the methacrylic acid reacts with the camphene, the catalytic reaction speed is higher, the reaction time can be further shortened, and the generation of byproducts can be further reduced; and the yield of the isobornyl methacrylate is improved.

Disclosed is a compound essential oil for improving dull skin, which comprises the following components: oleic acid, linoleic acid, palmitic acid, stearic acid, limonene, α-pinene, linalool, palmitoleic acid, eicosanoic acid, squalene, α-copaene, cis-11-eicosenoic acid, β-pinene, trans-caryophyllene, 3-thujene, camphene, behenic acid, myristic acid, p-cymene, (+)-δ-cadinene, menthol, linolenic acid, caprylic acid, menthone, capric acid, sabinene, and myrcene. The compound essential oil has excellent effects of skin whitening, brightening, and moistening.

The invention relates to a method for separating and purifying camphene and tricyclene, which comprises the following steps: adding a camphene crude product to be treated into a crystallizer, slowly cooling to a cooling end point when the temperature of a jacket is controlled to reach a supersaturated point temperature, and carrying out suction filtration to obtain crystallization mother liquor; slowly raising the temperature by controlling the temperature of the jacket, melting and sweating, and carrying out solid-liquid separation to obtain high-purity camphene; carrying out reduced pressure rectification on the separated crystallization mother liquor to obtain a tricyclene crude product; the method comprises the following steps: adding a tricyclene crude product into a crystallizer, slowly cooling to a cooling end point when a solution reaches a supersaturated point temperature by controlling the temperature of a jacket, and carrying out suction filtration to obtain crystallization mother liquor; and slowly raising the temperature by controlling the temperature of the jacket, melting and sweating, and carrying out solid-liquid separation to obtain the high-purity tricyclene. Compared with the prior art, the method has the advantages of no solvent influence in the purification process, green and environment-friendly purification process, low energy consumption, high product yield and high product quality.

The invention discloses an environment-friendly multifunctional herbicide and a preparation method thereof. The environment-friendly multifunctional herbicide comprises red oil and / or acid water separated during synthesis of 1, 8-terpin from turpentine; the red oil is pinene and isomerization or addition byproducts thereof, and comprises one or more of tricyclene, camphene, carene, limonene, cymene, terpinene, isoterpinene, phellandrene, 1, 4-cineole, 1, 8-cineole, fenchene, fenchol, isoborneol, borneol, 4-terpilenol, beta-terpilenol, alpha-terpilenol and gamma-terpilenol. Compared with turpentine, the herbicide has a broad-spectrum and efficient killing effect and also has killing and repelling effects on pests, and meanwhile, the compounds are easy to naturally degrade in the environment and are non-toxic to human.

The invention discloses a production process of high-purity camphorsulfonic acid, which comprises the following steps of: isomerizing alpha-pinene serving as a raw material into camphene under the catalysis of zirconium dioxide modified composite carbon-based solid acid, esterifying the camphene with anhydrous oxalic acid to generate oxalic acid dibornyl ester, and converting the oxalic acid dibornyl ester into isoborneol through alcoholysis. Carrying out hydrodeoxygenation on the isoborneol under the action of a Pd / C catalyst to generate camphor, and sulfonating the camphor to obtain a crude product; and continuously splitting through a simulated moving bed chromatography technology to obtain high-purity L-camphorsulfonic acid and D-camphorsulfonic acid finished products. According to the invention, waste eucalyptus powder and bamboo sawdust powder are taken as raw materials, alkali treatment and microwave activation are carried out to prepare a composite carbon carrier with a high specific surface area, zirconium dioxide nanoparticles are loaded, a solid acid catalyst with bifunctional catalytic sites is constructed, and efficient catalysis and cyclic utilization are realized. The continuous and high-purity separation of the chiral enantiomers is realized by utilizing the simulated moving bed chromatography technology, and the production efficiency and the product quality are remarkably improved.

This invention discloses the application of an artemisia annua compound as the sole active ingredient in the preparation of topical formulations for the prevention or improvement of blackheads and acne. Based on 100% of the total mass of the topical formulation, the artemisia annua compound accounts for 0.1% to 0.22%, and is composed of the following raw materials in parts by mass: camphene 4 to 10 parts, artemisinin 1 part. This invention also discloses a topical formulation for the prevention or improvement of blackheads and acne, the sole active ingredient of which is an artemisia annua compound. Based on 100% of the total mass of the topical formulation, the artemisia annua compound accounts for 0.1% to 0.22%, and is composed of the following raw materials in parts by mass: camphene 4 to 10 parts, artemisinin 1 part. The artemisia annua compound of this invention can significantly reduce the formation of squalene peroxide in a UVA-induced squalene photo-oxidation model, and shows stronger inhibition against Malassezia and less impact on Staphylococcus epidermidis in a Malassezia vs. symbiotic bacteria comparison model.

The utility model is applicable to the field of methacrylate production equipment, and discloses an isobornyl methacrylate fractionating and purifying device which comprises a first heating box, a first fractionating tower, a first condenser, a second heating box, a second fractionating tower, a second condenser, a circulating oil inlet pipeline, a circulating oil outlet pipeline, a raw material storage tank and an oil cooler. According to the utility model, the raw material storage tank with the first jacket is used for storing camphene, so that when the heated cooling medium is conveyed into the first jacket, the heat carried by the cooling medium can be transferred into the raw material storage tank and can be used for melting camphene, thereby realizing the recycling of the heat carried by the cooling medium; according to the technical scheme, the heat energy waste condition is improved, the energy consumption of the oil cooling machine can be reduced, the camphene can be easily conveyed into the reaction kettle, the camphene can be uniformly mixed with methacrylic acid in the reaction kettle, the reaction time of the camphene and the methacrylic acid can be shortened, and the amount of byproducts can be reduced.

The application relates to the field of organic synthesis and discloses a method for continuously producing camphene aldehyde from pinene by one-step method and application of the method, which comprises the following steps: continuously feeding an organic solution of alpha-pinene and neutral organic peroxide into a reactor in the presence of a main catalyst A and an auxiliary catalyst B to perform continuous contact reaction, wherein the main catalyst A is an oxidation catalyst, and the auxiliary catalyst B contains alkali metal and / or alkaline earth metal. According to the method, camphene aldehyde can be directly produced from pinene by one-step method of epoxidation and isomerization rearrangement reaction, and the selectivity and yield of the camphene aldehyde product are relatively high. The method avoids complicated operation steps such as rectification purification required by a two-segment reaction process, reduces the reaction process, and simultaneously adopts a continuous production process, so that production is efficient, convenient and stable.

This invention discloses a poly(4-methyl-1-pentene) aerogel, its preparation method, and its applications. By using camphene as a solvent for poly(4-methyl-1-pentene), a thermally induced phase separation process is initiated by controlling the cooling rate, followed by conventional drying to obtain a white aerogel with good self-supporting properties. The preparation method is simple and mild, requiring no complex processes or expensive equipment, and can be produced on a large scale. The aerogel possesses a rich microporous structure and extremely high solar reflectivity, making it suitable for radiative cooling for passive cooling. Furthermore, the aerogel prepared by this method exhibits excellent superhydrophobicity and thermal insulation properties, enhancing its potential for outdoor applications.

This invention relates to a continuous production process for the preparation of sandalwood 803. The preparation method of the phosphate catalyst includes the following steps: dissolving Zr(NO3)4·5H2O and Ce(NO3)3·6H2O in water to prepare a Zr-Ce nitrate mixture; dissolving phosphoric acid and / or its acidic salt in water to obtain a phosphoric acid and / or its acidic salt solution; adding the phosphoric acid and / or its acidic salt solution to the Zr-Ce nitrate mixture, adjusting the pH, stirring, allowing it to settle, filtering, washing, drying, and calcining to obtain the phosphate catalyst, thus completing the reaction. Compared with the prior art, this invention provides a phosphate catalyst with high safety, high activity, high stability, and strong acidity, achieving a high-yield conversion of phenol camphene, increasing the content of meta-terpene phenols, and thus increasing the content of terpene cyclohexanol in sandalwood 803. It can also be used stably and for a long time in a fixed-bed gas-phase reaction process.

The application discloses a kind of composition for identifying mussel freshness and application thereof, belong to aquatic product preservation technical field.A kind of composition for identifying mussel freshness, including Camphene (camphene), 1-Penten-3-ol (1-pentene-3-alcohol), (E)-2-pentenal ((E)-2-pentenal), 1-penten-3-one (1-penten-3-ketone), Methyl butanoate (methyl butanoate), 5-Methylfurfural (5-methylfurfural).The composition can be applied in the freshness detection of fresh mussel production, transportation and sales process.The application uses flavoring substance to identify the freshness of mussel, to guide the packaging form of mussel transportation process, and lays a foundation for long-distance transportation of mussel.

The application relates to a method for preparing a polyurethane catalyst for rubber rolls by using camphene as a starting material, and relates to a method for preparing a polyurethane catalyst for rubber rolls, wherein the polyurethane catalyst for rubber rolls is chemical formula 1, which is obtained by carbon-nitrogen coupling reaction of chemical formula 3 and chemical formula 4 prepared from camphene (chemical formula 2), wherein chemical formula 1, chemical formula 2 and chemical formula 3 (X is I, Br or Cl) are shown as follows; R1 and R2 are the same or different substituted aryl or heteroaryl.

The invention relates to a preparation method of a camphene product. Specifically, the invention provides a preparation method of camphene and tricyclene, and the method comprises the following steps: separating turpentine through a rectifying tower, enabling a light component gas phase pinene with a lower boiling point to enter a reaction bed filled with a catalyst for reaction, enabling a gas phase after the reaction through the reaction bed filled with the catalyst to enter a separating tower, and separating to obtain camphene and tricyclene, wherein the catalyst is prepared by the following steps: mixing metatitanic acid, clay and ferric trichloride, adding water, uniformly mixing, carrying out compression molding, and drying to obtain the catalyst. The camphene product prepared by the method disclosed by the invention has excellent high-purity camphene and tricyclene, so that the application value of the camphene product is improved.

The present invention relates to an alcoholization method for enhancing the flavor and quality of reconstituted tobacco leaves. The method comprises grinding Luoping small yellow ginger into a powder with a mesh size of greater than 400; mixing the Luoping small yellow ginger powder with 95% alcohol at a mass ratio of 1 to 1.5:30 to 60 to prepare a ginger solution; cutting the reconstituted tobacco leaves into shredded tobacco, cutting the shredded tobacco leaves into short pieces, and evenly spraying the shredded tobacco leaves with the ginger solution at a ratio of 1.0 to 1.5:10, and sealing the shredded tobacco leaves with a bag; and placing the treated reconstituted tobacco leaves in a constant temperature and humidity chamber at a humidity of 65 to 70% and a temperature of 22 to 25° C. for alcoholization for 45 to 60 days. Compared with conventional reconstituted tobacco leaves, the reconstituted tobacco leaves provided by the present invention have increased aroma components such as camphene, geraniol, geranial, and eugenol, thereby increasing the spicy aroma. Furthermore, the content of neophytadiene is significantly increased, resulting in a richer aroma, a reduced burning sensation, and better overall sensory quality.

The application provides a detoxification and repair medical dressing for treating and relieving stubborn vulvar leukoplakia and a preparation method thereof, and relates to the technical field of gel dressings. The medical dressing is composed of a gel component and a composite antibacterial repair component, and the composite antibacterial repair component is composed of modified corn starch, anise camphene, eugenol, algal polysaccharide and Gynura japonica fermented inactivated extract. The Gynura japonica fermented inactivated extract is obtained by fermenting Gynura japonica with Bacillus subtilis and lactic acid bacteria and then inactivating. The application overcomes the shortcomings of the prior art, can effectively relieve itching during the treatment of vulvar leukoplakia under the premise of having an antibacterial effect, shortens the overall treatment cycle, and improves the comfort of treatment.

The invention discloses a hollow NiCO2O4 nanofiber supercapacitor electrode material with camphene as a pore-forming agent and a preparation method thereof, and relates to the technical field of supercapacitor nanoelectrode materials, and the preparation method comprises the following steps: dissolving cobalt nitrate hexahydrate, nickel nitrate hexahydrate, polyvinylpyrrolidone (PVP), glacial acetic acid and camphene (0g, 3g, 5g and 7g) in absolute ethyl alcohol, and stirring for 6 hours to obtain an electrospinning solution; transferring the electrospinning solution into a 10mL injector with a No.20 needle, and carrying out electrospinning at the flow rate of 1.0 mL / h, the voltage of 20kV and the tip-collection distance of 20cm to obtain an original nanofiber film; stabilizing the original nanofiber film in the air at 140 DEG C for 12 hours to obtain a stable fiber film; the stable fiber film is subjected to annealing treatment for 5 h at the temperature of 350 DEG C and the temperature of 600 DEG C respectively, the hollow NiCo2O4 nanofiber supercapacitor electrode material is obtained, the preparation method of the NiCo2O4 nanofiber electrode material is simple, the hollow structure is uniform and obvious, and the electrochemical performance is excellent.

The invention belongs to the technical field of biological control, and provides a gaultheria yunnanensis insecticidal aerosol and a preparation method thereof, the gaultheria yunnanensis insecticidal aerosol is prepared from the following raw materials by mass: 1-2 parts of an effective component, 50-60 parts of deodorized kerosene, 3-4 parts of a synergist, 15-20 parts of a propellant, 0.5-3.5 parts of a stabilizer, 1-2 parts of a corrosion inhibitor, and 7-18 parts of an active agent; wherein the mass ratio of the tetramethrin to the gaultheria yunnanensis essential oil in the effective components is 1: (5-7). According to the invention, the gaultheria yunnanensis essential oil is used as an insecticidal active component and a synergistic component, the gaultheria yunnanensis essential oil contains methyl salicylate, ethyl salicylate, trans-caryophyllene, linalool, camphene and other active components, and the gaultheria yunnanensis essential oil is added, so that the effects of food refusal, repelling, antibiosis, growth and development inhibition and direct poisoning on pests are achieved; therefore, the purpose of rapid and long-acting disinfection and killing is achieved.

The present absorbent article (1) includes a plurality of components, and a deodorant (40) is disposed therein. The absorbent article (1) is characterized in that at least a part of the plurality of components is bonded by a hot melt adhesive (IA) containing a tackifier having a deodorizing component, the tackifier having a deodorizing component containing at least one of alpha-pinene, beta-pinene, and camphene.

The application provides an enzyme for synthesizing white camphene or a derivative thereof and an application thereof, and first proposes a white camphene synthesis enzyme in bacteria, an amino acid sequence of which is shown as SEQ ID NO:1, which can be used for biosynthesizing white camphene in vitro or in bacteria, and has the advantages of being more economical and environmentally friendly compared with synthesizing white camphene by chemical synthesis or extracting white camphene from plants in the prior art.