115 results about "Camphene" patented technology

The invention relates to a broad-spectrum attractant for needle leave wood pests, which is characterized by consisting of an active composition and solvent absolute ethyl alcohol. The active composition consists of alpha-pinene, beta-pinene, camphene, limonene, isolongifolenone, trans-carypohyllene, turpentine, terpinolene and beta-phellandrene. The active composition contains alpha-pinene 40%-50%, beta-pinene 20%-25%, camphene 2.5%-3.2%, limonene 11%-13%, isolongifolenone 4.5%-5.2%, trans-carypohyllene 5%-6%, turpentine 2.5%-3.5%, terpinolene 2.5%-3.5% and beta-phellandrene 0.8%-1.2%. The broad-spectrum attractant has extremely strong luring effect to monochamus alternatus adults, has high luring effect to hyposipalus gigas Linnaeus, shirahoshizo patruelis and xyleborus mutilatus blandford, has good luring effect to more than 20 varieties of pests of coleopteran, is few in using amount, remarkable in luring effect, low in cost and broad-spectrum.

The invention is suitable for the technical field of pesticide solvents, provides a plant source green and environment-friendly solvent and simultaneously provides a method for preparing the plant source green and environment-friendly solvent from destructive distillation turpentine. The plant source green and environment-friendly solvent comprises the following components in percentage by mass: 10 to 40 percent of pinene, 10 to 40 percent of D-limonene, 5 to 15 percent of longifolene, 5 to 15 percent of camphene, 3 to 15 percent of dehydroabietic acid, 1 to 10 percent of pinane and 0 to 2 percent of antioxygen. The preparation method comprises the following steps: (1) pulverizing and dehydrating the turpentine; (2) performing dry distillation and collecting lysate; (3) washing the turpentine by alkali liquor, standing the washed turpentine for fractional distillation; (4) performing dehydration; and (5) adding the antioxygen for uniform dissolution to prepare the plant source green and environment-friendly solvent. A raw material adopted by the solvent is the turpentine of pine trees, and is low in cost; the preparation method has simple process, environmental protection and lessenergy consumption; decomposition components give priority to safe and environment-friendly components, such as a terpene compound and the like and can be controlled; and the plant source green and environment-friendly solvent has low production cost, safety and environmental protection, and is beneficial for people.

The invention relates to a method for isomerizing alpha-pinene. The method comprises the following steps of: immobilizing active components such as halide, chloride and bromide on the surface of alumina, silicon oxide, SiO2-Al2O3 or silicon-aluminium molecular sieve by virtue of surface grafting reaction, and catalyzing isomerisation reaction of the alpha-pinene with solid acid, wherein halide can be aluminium, stibium, zinc, iron, titanium, tin and zirconium, and the reaction is performed for 10-240 minutes at the temperature of 5-80 DEG C in the manner of constant-pressure liquid-solid multiphase stirring reaction or fixed bed reaction. The new method for isomerizing the alpha-pinene, provided by the invention, has the advantages that the reaction condition is mild, the selectivity of main products (camphene, limonene and terpinolene) is high, and the catalyst produces no pollution to the equipment and environment, thus the catalysis process is environmentally friendly.

The invention relates to a prepration method of a SO4<2->/ZrO2-MxOy solid superacid catalyst and the application thereof. The preparation method adopts the coprecipitation method for the preparation, thereby obtaining a precursor of a binary mixed hydroxide containing Zr and M (M is equal to Al or Fe), the precursor is carried out the hydrothermal treatment, dilute sulfuric acid is used for soaking, and the solid superacid catalyst with the larger specific surface area is obtained after the high-temperature calcination. The catalyst can obtain good effect, high conversion rate of Alpha-pinene and high selectivity of target products of camphene and limonene by being applied in the Alpha-pinene isomerization reaction.

The invention provides a green plant source environmental protection solvent and a preparation method thereof. The environmental protection solvent is obtained by the microwave cracking of turpentineunder the action of a certain catalyst. The solvent comprises 15wt% to 35wt% of alpha pinene, 15wt% to 40wt% of D-hesperidene, 5wt% to 15wt% of longifolene, 5wt% to 15wt% of camphene, 1wt% to 5wt% ofterpenol and 0 to 2wt% of antioxidant. Compared with the prior art, the raw material of the green plant source environmental protection solvent completely comes from the turpentine of a pine and has low price and simultaneously, a new prospect is supplied to silvichemicals. The solvent as a natural carrier of pesticide replaces an aromatic solvent and a polar solvent with poor safety environmentalprotection, reduces the release of toxic and harmful organic solvents in the environment and has mild and simple preparation condition and low energy consumption.

The invention belongs to the field of archaeological and cultural relics protection, and relates to a temporary reinforcing material and application of a material to archaeological fragile remain extraction. The temporary reinforcing material comprises any one of camphene, camphor, naphthalene and menthyl lactate or comprises any two or three or four of camphene, camphor, naphthalene and menthyl lactate; in the process of applying the temporary reinforcing material to the archaeological excavation process, the unearthed fragile remain is subject to temporary reinforcing firstly, then, extracting or uncovering is carried out, then, the remain is transported or moved to an indoor portion, then, the temporary reinforcing material is manually removed, finally, a permanent reinforcing agent isapplied. The selection range of the temporary reinforcing material is expanded, the problem that at present, the menthol material is single in removal speed is solved, meanwhile, the temporary reinforcing material has the gradient sublimation speed, the actual needs of different archaeological sites or cultural relic repair sites to the keeping time of the temporary reinforcing effect are met, andthe aim of adjusting the removal speed of the temporary reinforcing material manually is achieved.

The invention provides a plant source pesticide solvent containing 15-40 percent by mass of pinene, 15-35 percent by mass of D-limonene, 2-15 percent by mass of camphene, 1-15 percent by mass of longifolene and 0-30 percent by mass of other components such as plant essential oil and/or self extract. Compared with the prior art, the plant source pesticide solvent is a vegetative solvent, and thereby the solvent is friendly to environment, can be degraded and has no pollution to the environment.

The invention belongs to the technical field of catalysts, and particularly relates to a preparation method and application of a WO3/ZrO2 solid super acidic catalyst. The preparation method comprises the following steps of: preparing a zirconium hydroxide precursor by adopting a precipitation method, carrying out hydro-thermal treatment on the precursor, soaking the precursor in ammonium meta-tungstate and roasting at high temperature to obtain the solid super acidic catalyst with larger specific surface. When applying the catalyst to Alpha-pinene isomerization reaction, a favorable effect can be obtained, Alpha-pinene conversion ratio and selectivity to target products of camphene and limonene are high and the catalyst still keeps high activity and high selectivity after multiple regeneration and repeated use.

The invention discloses rosemary extract and application thereof in cigarettes and relates to the field of tobacco additives. The tobacco additive is extracted and prepared from Rosmarinus officinalis L. by supercritical CO2 extraction technology and molecular distillation technology. The natural plant extract mainly comprises pinene, cineole, camphene, limonene, linalool, camphor, borneol, terpilenol, bornyl acetate and the like. The extract added into the cigarettes has the effects of increasing fragrance amount and quality, improving fineness, reducing stimulus, covering peculiar odors, and improving comfort.

The invention relates to a renewable energy source, and in particular relates to an alcohol-based liquid fuel for civil use, and the alcohol-based liquid fuel for civil use is low in cost, high in heat value and environment-friendly. The alcohol-based liquid fuel for civil use is formed by mixing a main fuel, an auxiliary fuel, a cosolvent and an oxidizing agent together; specifically, the alcohol-based liquid fuel for civil use is prepared from 70%-75% of main fuel methanol, 8%-15% of auxiliary fuel hydrocarbon, 5%-10% of acetone, 0.5%-1% of cosolvent petroleum ether, 1.5%-4% of sodium salicylate, 0.5%-1% of oxidizing agent polyoxyethylene ester and 3%-8% of hydrogen peroxide. Besides, 1wt%-3wt% of deodorant camphene also can be added. Furthermore, an appropriate amount of sodium carbonate or sodium hydroxide also can be added to adjust the pH value of the alcohol-based liquid fuel to the range from 6 to 8. The production process of the alcohol-based liquid fuel for civil use is simple in process and does not need large-scale equipment; the production process is safe without environmental pollution; the raw materials are wide in source; the product is safe to store and transport, sufficient to burn and high in effective heat value; as a result, air pollution can be reduced and energy pinch can be effectively relieved; the alcohol-based liquid fuel for civil use has important social and economic benefits.

The invention discloses a method for preparing high-purity borneol from a lauraceae extract or a blumea balsamifera extract. The method comprises the following steps: the extracts and secondary alcohol-secondary alcohol aluminum with low boiling point or tertiary alcohol-tertiary alcohol aluminum are heated in a closed environment to evaporate low boiling point secondary alcohol or tertiary alcohol, camphor in the extracts is reduced into borneol or isoborneol, continuous heating is performed in the closed environment to generate borneol aluminum and isoborneol aluminum, continuous heating is performed in the closed environment to dehydrate the isoborneol aluminum, and rearrangement is performed to generate camphene, distilling is performed by using vapor to evaporate camphene and borneol, and camphene and borneol are separated by using one or more of an extraction method adopting saturated hydrocarbon such as petroleum ether and polar solvents such as DMSO, a column chromatography method using saturated hydrocarbon such as petroleum ether and silica gel, and a distillation-sublimation method, and the like. By using the method, the high-purity dextroborneol can be prepared from the auraceae extract, and high-purity levogyration borneol can be prepared from the blumea balsamifera extract. The whole process is continuous, smooth, simple to operate, low in cost, environment-friendly, and high in both purity and yield of the borneol, and facilitates industrial production. The lauraceae extract comprises natural camphor, reduzate, plant borneol camphor, cinnamomum longepaniculatum and cinnamomum burmanni extract.

The invention discloses a sweetsop flower essence. The sweetsop flower essence mainly comprises the following constituents: pinene, myrcene, ocimene, linalool, caryophyllene, camphene, phellandrene, terpinene, nonanal and the like. The invention further discloses application of the sweetsop flower essence in preparation of tropical flavor food, low-sugar health food and beverage products. The sweetsop flower essence is rich in floral fragrance and sweet taste, and can enhance the final flavor of food and beverage, and achieve the mouthfeel of a natural sweetsop fruit. As the sweetsop flower essence is rich in the sweet taste, the sweetsop flower essence is particularly suitable for low-sugar food and beverage; the mouthfeel cannot be influenced while the intake of sugar is reduced; furthermore, the product has the obvious characteristic of health care.

The embodiments herein relate to a method of preparing a terpene profile replication blend. The method comprises determining a combination of terpene for a predetermined application and blending a predetermined quantity of the terpene in a blender for a predetermined time. The combination of terpenes is selected from the group consisting of limonene, linalool, alpha humulene, alpha perpineole, pinene, bergatomene, a-bisbolol, borneol, camphene, d3-carene, a-caryophyllene, caryophyllene, citronellal, citronellol, elemene, eugenol, fenchol, myrcene, phellandrene, or terpinyl acetate.

The invention discloses lisea cubeba essential oil and a preparation method thereof as well as a vehicle-mounted aromatic device comprising the same. The lisea cubeba essential oil comprises the following components in parts by weight: 1.01-1.43 parts of alpha-pinene, 0.24-0.68 part of camphene, 0.95-1.42 parts of beta-pinene, 0.55-1.66 parts of beta-myrcene, 0.17-2.50 parts of methyl heptenone, 0.11-0.19 part of p-cymene, 11.04-22.65 parts of limonene, 1.21-2.90 parts of linalool, 0.15-1.23 parts of citronellal, 0.33-0.81 part of alpha-terpilenol, 0.19-0.21 part of nerol, 35.22-38.86 parts of alpha-citral, 27.17-31.58 parts of beta-citral and 0.14-0.34 part of beta-caryophyllene. The vehicle-mounted aromatic device comprises a glass or crystal container which stores the lisea cubeba essential oil and a wooden cover sealed on the glass or crystal container. The preparation method comprises the steps as follows: cleaning lisea cubeba; carrying out steam distillation; condensing; and carrying out oil-water separation to obtain a finished product. The lisea cubeba essential oil is green, healthy and environment-friendly.

The invention discloses a repellent used for frankliniella occidentalis and an application of active ingredients of the repellent, and relates to the technical field of agriculture. The active ingredients of the repellent used for the frankliniella occidentalis comprise at least one selected from the group consisting of alpha-pinene, cineole, camphene, (-)-borneol, beta-pinene, D(+)-camphor, beta-myrcene and bornyl acetate. The active ingredients of the repellent provided by the invention are green and pollution-free chemicals, and have an obvious repellent effect on the frankliniella occidentalis.

The invention discloses a method for preparing camphene through isomerization of alpha-pinene. The method comprises the following operation steps: 1, placing the reaction raw materials of alpha-pinenein a reaction distillation tower, heating the tower kettle of the reaction distillation tower, and carrying out a reaction to obtain a camphene mother liquor, wherein a catalyst is poured into the distillation tower, the alpha-pinene is subjected to catalytic isomerization under the action of the catalyst to form camphene, and a molecular sieve synthesis catalyst is arranged at the top portion ofthe formed alpha-pinene liquid surface; 2, pouring the obtained camphene mother liquor into a first distillation tower, and carrying out distillation separation on the tricyclic alkene in the camphene mother liquor at the tower top of the first distillation tower; and 3, pouring the camphene mother liquor treated in the step 2 into a second distillation tower, and carrying out distillation separation on the camphene at the tower top of the second distillation tower to obtain the high purity camphene. According to the present invention, with the method, the problems of low camphene content inthe final product and slow reaction rate in the existing camphene preparation method can be solved.

The invention discloses a Salvia officinalis fermented extract and a preparation method and application thereof. The Salvia officinalis fermented extract is prepared from Salvia officinalis, which serves as a raw material, through fermenting with Lodderomyces elongisporus and extracting aroma components from a fermented solution. The Lodderomyces elongisporus is collected in the China General Microbiological Culture Collection Center (CGMCC); the collection number is CGMCC No. 6645; the collection date is October 08, 2012. The product contains a variety of aroma substances, such as phenylethyl alcohol, alpha-thujone, beta-thujone, camphor, alpha-pinene, camphene, limonene, bornyl acetate and the like. Shown by results of flavored smoking assessment tests, the product can be harmonized with cigarette flavors, can obviously promote the cigarette flavors, make smoke gas delicate and mellow, lower irritation, conceal impurity gases and improve the smoking flavor of cigarettes, and can generate a fresh and special aroma.

The invention discloses a method for preparing borneol diene. The method comprises the following steps of: taking alpha-pinene and liquid bromine as reaction raw materials, controlling the temperature at -70 to 10 DEG C, dripping a bromine solution at constant speed when stirring, reacting for 8 to 28h and preparing crude 2,6-dibromo alkyl camphene; and taking the crude 2,6-dibromo alkyl camphene as a raw material, adding a proper solvent and a proper elimination reagent, controlling the temperature at 60 to 120 DEG C, stirring, reacting for 1 to 6h, cooling to room temperature and carrying out water washing, petroleum ether extraction and liquid division operation on reaction liquid sequentially so as to prepare the borneol diene after circulating for many times. The preparation method of the borneol diene adopts a liquid-liquid homogeneous reaction system, reduces the processes and the devices of gas generation, introduction, tail gas absorption and the like, lowers the production cost, reduces the pollution and is more beneficial to industrialized operation; and the yield of the 2,6-dibromo alkyl camphene is enhanced to 28.3 percent, the highest conversion rate of converting the 2,6-dibromo alkyl camphene to the borneol diene is 99.1 percent, and the invention has obvious economic benefit.

The invention relates to a pesticide solvent. The pesticide solvent is prepared from the following raw materials in parts by weight: 2-30 parts of jatropha curcas oil, 1-30 parts of jatropha curcas oil methyl ester, 5-20 parts of isopropanol, 5-10 parts of glycol, 3-13 parts of azone, 1-23 parts of camphene, 5-20 parts of longifolene, 2-27 parts of castor oil, 4-10 parts of palm oil and 0.4-2 parts of tert-butylhydroquinone. The solvent is environment-friendly and degradable, free from pollution on the environment and low in cost, and can be widely applied to various pesticide preparations or prepared into a pesticide mixing auxiliary.

The invention discloses a flue-cured tobacco planting method for improving tobacco leaf quality by using rosmarinus officinalis. The rosmarinus officinalis and the flue-cured tobacco are inter-planted, and a single flue-cured tobacco planting mode is changed to form a one-plus-one planting mode that a row of flue-cured tobaccos and a row of rosmarinus officinalis are interplanted. An application effect shows that the flue-cured tobacco which grows in the interplanting mode is obviously superior to monocultured flue-cured tobacco in data of plant height, steam diameter, leaf area, effective leaf number, single leaf weight and single plant yield. A plurality of components such as camphene, cineole, terpineol, verbenone, nerol, 1, 7, 7-trimethyl-bicyclo [2.2.1] heptyl-2-taraxeryl acetate and caryophyllene are detected in the fresh interplanted flue-cured tobacco leaves, and related components are not detected in the monocultured cigarette. Through sensory evaluation, the sensory quality of the interplanted flue-cured tobacco is superior to that of the monocultured flue-cured tobacco. Thus, the quality of the flue-cured tobacco can be effectively improved by applying the flue-cured tobacco planting method; and meanwhile, the land utilization rate is improved and a higher ornamental value is realized by using interplanting of the rosmarinus officinalis and the flue-cured tobacco.