15 results about "Camphene" patented technology

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 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 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 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 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.