136 results about "Lacquer tree" patented technology

The invention discloses an intelligent lacquer tree cutting collecting device comprising a collector and a cutter; the top end of the collector is provided with a plug guide slot; the top of the plug guide slot connected with the top of the collector is connected with the cutter; the cutter and the collector are connected through a shaft; the collector is in a barrel shape; the inner side of the collector is a cone shape; the upper portion of the outer surface of the collector is provided with an upper fixed belt; the lower portion of the outer surface of the collector is provided with a lower fixed belt; an electronic monitoring controller is arranged in the collector; the cutter comprises a knife rail, a telescopic connecting rod, a telescopic fixed connecting rod and a blade; the blade is arranged in the knife rail, and slides on the knife rail; the center outside the knife rail is connected with the telescopic connecting rod; two ends outside the knife rail are respectively connected with the telescopic fixed connecting rod; the other ends of the telescopic connecting rod and the telescopic fixed connecting rod are respectively connected with the collector through a rotary shaft.

The invention discloses a lacquer wax sizing agent and a preparation method of the lacquer wax sizing agent. The lacquer wax sizing agent belongs to the field of sizing agents in papermaking. The lacquer wax sizing agent is produced by taking lacquer wax extracted from lacquer tree seeds, starch/modified starch, an enhancer, chitosan, acetic acid, citric acid or hydrochloric acid as raw materials and taking an emulsifying tank, a rosin cooking tank and a mixing and stirring tank as production equipment; the production method is simple in process, nontoxic, free of chemical pollution and mild in reaction condition, and the lacquer wax sizing agent is high in quality, good in service effect and purely natural in raw materials and can be used as an internal sizing agent or a surface sizing agent; by using the lacquer wax sizing agent, performances such as the water resistance, oil resistance, printing ink resistance and the like of a paper product can be effectively improved, and meanwhile, the smoothness, stiffness, barrier property, antibacterial property and printability of paper can be improved.

The invention discloses urushiol phosphorous-series flame retardant resin. The resin consists of the following raw materials in percentage by mass: 20 to 40 percent of urushiol, 0 to 20 percent of amine compound, 4 to 10 percent of aldehyde compound, 0.5 to 6 percent of phosphorous-series compound, 0 to 5 percent of epoxy resin, 0.5 to 3 percent of catalyst and 40 to 55 percent of solvent. A method for preparing the urushiol phosphorous-series flame retardant resin comprises the following steps of: obtaining raw lacquer from a lacquer tree; separating and extracting the urushiol from the raw lacquer, heating the urushiol and reacting the heated urushiol with the amine compound, the aldehyde compound, the solvent and the catalyst for synthesizing; and adding the epoxy resin, the phosphorous-series compound and the solvent into the complex, heating and reacting for synthesizing, stopping heating and cooling to room temperature after reaction is finished. The resin has high flame retardant property, water resistance and chemical resistance and is suitable for fields such as public fire safety, chemical industry, light industry, building materials, electronic apparatuses, mining and the like.

The invention discloses a method for refining kernel oil of lacquer tree seeds. The method comprises the steps of: lacquer tree seed freezing, peel-nucleus separation, screening, pressing, leaching, desolvation, extraction and merging, desolvation is conducted through a membrane evaporator by using a high-vacuum membrane evaporation mode, and extraction is conducted through supercritical carbon dioxide extraction. The invention also provides the lacquer tree seed kernel oil prepared by using the method, and the method for refining the kernel oil of lacquer tree seeds has a simple and convenient process; the lacquer tree seed kernel oil extracted by using the method has high purity, and denaturation of free urushiol is avoided, so that the color, quality and use performance of the oil are good, the production cost is greatly reduced, and the refining loss rate of the lacquer tree seed kernel oil is reduced; and therefore, the method is suitable for large-scale industrial production.

It has now been found that N-L-alpha-aspartyl-L-phenylalanine 1-methyl ester (APM) and/or one of its lower alkyl derivatives can be used to treat allergic contact dermatitis associated with irritating oils such as catechol-containing plant-derived antigens such as poison ivy, poison oak, poison sumac and Asian lacquer tree and oils containing capsaicin. Topical application of APM and/or derivative can reduce or alleviate the symptoms associated with irritation of the skin and/or mucous membranes caused by contact or inhalation of these oils or fumes from burning vegetation containing these oils.

The invention discloses a method for preparing modified graphene applicable to epoxy resin. According to the method, green renewable Chinese lacquer tree extract urushiol or cashew nut shell extract cardanol is used as a main raw material, and unsaturated double bonds on the long side chain of the main raw material and fatty acid are enabled to be subjected to an epoxidation reaction, so that urushiol glycidyl ether or cardanol glycidyl ether with a phenolic hydroxyl group can be obtained; the urushiol glycidyl ether or the cardanol glycidyl ether is used as a reducing agent and a modifier forgraphene oxide, so that the modified graphene which contains a large amount of long carbon chains and epoxy groups on the surface and has good dispersity in epoxy resin can be obtained. The method provided by the invention adopts the natural renewable compounds, i.e., the urushiol and the cardanol as the main raw materials, and has the characteristics of being environment-friendly, simple in process, low in production cost and the like, thus being easy to popularize and use. The modified graphene prepared by the method has good compatibility in the epoxy resin, improves the interfacial adhesion of a graphene/epoxy resin composite material, and can significantly improve the mechanical properties and corrosion resistance of the epoxy resin.

The present invention relates to a method for tray dyeing of objects to be dyed and products produced thereby, the method is that secretion extracted from a lacuqer tree is processed into clear lacquer, secretion extracted from a Chinese wood-oil tree is machined into transparent tail oil, the clear lacquer and the tail oil are added into stone powder formed by crushing mineral matter with specific colors to mix so as to prepare mineral matter natural coloring matter, the coloring matter is dissolved in a dilution solvent extracted from a pine tree or a camphor tree to obtain the dye liquor where the objects to be dyed are of tray dyeing. The mineral natural coloring matter has the following effects: if cloth is dipped in the dilution dye liquor for a finite time, the clear lacquer and the tail oil as well as coloring matter pigment may be soaked into fibers of the objects to be dyed to absorb, the dyeing object has corrosion resistance, insect protection, bacteria repellancy and disinfection by means of the clear lacquer so as to protect the dyeing object to protect the human body; furthermore, the tail oil contain elastic coating film to protect the surface of the fiber, the color is sharp, the fiber surface has brightness, and the object will not be discolored and fade to improve durability and service life of the dyeing object.

The invention discloses whitening and spot-fading cosmetic and a preparation method thereof. By taking various plant compositions as primary raw materials, the whitening and spot-fading cosmetic mainly contains mirabilis jalapa extract, thanakha extract, dandelion extract, lacquer tree seed extract and Chinese honeylocust fruit kernels. In addition, the whitening and spot-fading cosmetic also contains a small amount of glycerinum, carbomer, triethanolamine, nicotinamide, dipotassium glycyrrhizinate, an antibacterial agent and glutathione. The composition can be used in a whitening and spot-fading formula and has the functions of whitening skin, moisturizing, preventing bacteria and diminishing inflammation, eliminating free radicals, resisting dull yellow and ageing of skin, inhibiting melanin formation and inhibiting hallachrome interconvertible enzyme and activity of tyrosinase.

The invention relates to the technical field of forestry machinery, in particular to intelligent raw lacquer cutting equipment. The intelligent raw lacquer cutting equipment comprises a tool cutting device, a tool path control device, a lifting device, a walking device and a control system; wherein the tool cutting device comprises a cutting tool, a tool tail end steering mechanism and a spring telescopic rod panel; the tool path control device comprises an upper semicircular rail body, a lower semicircular rail body and a screw sliding table between the upper semicircular rail body and the lower semicircular rail body, the sliding table is driven by a stepping motor through a screw, a walking mechanism is arranged between the upper and lower rail bodies and the screw sliding table; the lifting device comprises an overall lacquer cutting rack, the overall lacquer cutting rack is provided with lifting wheels which are vertically and laterally symmetrical, the counterclockwise inclined angle between each lifting wheel shaft and a vertical direction is 30 degrees, and the lifting wheels are driven by motors to be spirally lifted. The intelligent raw lacquer cutting equipment can achieve mechanized cutting of raw lacquer, and maximally solves the problem of high labor intensity and high difficulty in a raw lacquer cutting technology in the process of raw lacquer cutting. The intelligent raw lacquer cutting equipment has the advantages of simple structure and convenient operation, and can be applied to lacquer trees of different breast diameters.

The invention relates to the technical field of leather working, and discloses a performance additive used in leather working. A rare earth compound and a plant synthesized tanning agent are added in a tanning agent; the mass percentage of the rare earth compound accounts for 1.0-1.5% of the mass percentage of the tanning agent, the rare earth compound comprises lanthanum oxide, praseodymium oxide, holmium oxide and europium oxide, and the adding ratio is 4-6: 2-3: 1-2: 0.3-0.5; the tanning agent which contains the rare earth compound can remarkably improve the tensile strength, the water resistance and the wear resistance of leather products, and further has a dyeing assisting effect, and obvious color fixation and color burn can be achieved; and the mass percentage of the plant synthesized tanning agent accounts for 4.5-5.5% of the mass percentage of the tanning agent, and extracted plants of the plant synthesized tanning agent comprise stenoloma chusana, Chinese parasol trees, Chinese ilex, Chinese galls, lacquer trees and tea trees. By the used plant synthesized tanning agent, leather forming tisseus can be compact, thick and plump, the surface is processed densely, and the softness and elongation percentage are remarkably improved.

The invention provides an environment-friendly coating which comprises the following components in percentage by mass: 8-12% of mandarin oil, 10-12% of lemon oil, 25-35% of glutinous rice, 30-40% of hydrated lime, 5-8% of carbon black, 1-3% of titanium dioxide, 2-5% of organic silicon, 2-5% of lacquer tree branches, 2-5% of trigonella foenum-graecum seed straws and 2-5% of aluminum hydroxide. The environmental-friendly coating is prepared by using pure natural raw materials, so that the characteristics of being green, environmental-friendly, free of pollution and the like are achieved.

The invention discloses a paint for a housing of a magnetic drive pump. The paint comprises the following components: diethyl phthalate, hollow glass spheres, teflon resin, a lacquer tree branch extract product, silicon carbide micropowder, carboxymethyl cellulose, alumina micropowder, melamine, aluminum paste-modified epoxy resin, and amino-silane. After the paint forms a film, the film has the advantages that the hardness is high, wear resistance is good, hard drying time is short, corrosion resisting performance is good, adhesive force is good, cost is low, the dispersibility of the components is good, and the film is uniform and stable. The paint greatly increases the service life of the film through cooperation of the components.

The invention discloses a preparation method for an urushiol compound (Z)-3-(pentadec-8-en-l-yl)benzene-1,2-diol. The preparation method comprises the steps as follows: dissolving a raw lacquer from a lacquer tree by ethyl acetate, carrying out silica-gel column chromatography, eluting by a petroleum ether-ethyl acetate system, carrying out HPLC (High Performance Liquid Chromatography) detection, collecting the fractions containing the compound, combining the eluents and decompressing and recovering the solvent to obtain oily matters after concentration; carrying out RP-18 reversed-phase column chromatography, eluting by methanol-water, and collecting the fractions with the compound; and carrying out Sephadex LH-20 column chromatography on the oily matters after concentration, decolorizing and removing part of impurities. The preparation method is convenient to operate, and the pure urushiol compound with high purity and high yield can be obtained from the raw lacquer through the column chromatography in the three steps. Both the reverse phase silica gel and the gel used in the preparation method can be repeatedly used, the eluting solvent is cheaper and can be circularly used, and the preparation method is suitable for industrial production.

The invention discloses a food package film containing a lacquer tree seed extract. The food package film is prepared by the following steps of respectively dissolving a certain amount of polysaccharides, mixing, and adding an enhancer, the lacquer tree seed extract and other additives; performing heat preservation, homogenizing, degassing, and quantitatively demolding; finally, drying, so as to obtain the food package film with certain strength and water solubility. The food package film has the advantages that the technology is simple, the industrialization is easy, the cost is low, the film forming property is good, the strength is high, and the formed film has certain wet blocking, oxygen blocking, oil blocking and solute blocking properties; the prepared food package film can be applied into the fresh-keeping of fruits and vegetables, processing and fresh-keeping of meats and aquatic products, internal package of instant foods or fast foods, and storage and package of sugars and baking foods.

The invention discloses a wood wax oil preparation method. The wood wax oil preparation method is characterized in that lacquer tree seeds are screened and washed, and then crushing, skin-core separation, seed-skin pretreatment, solvent extraction, filtration and separation are performed so as to finally obtain the lacquer tree seed wood wax oil. The preparation method for the lacquer tree seed wood wax oil enables the preparation, the extraction and the separation of the lacquer tree seed wood wax oil to realize continuous production, improves production efficiency, a raw material utilizationrate, wood wax purity and quality and wood wax market competitiveness. The method is used, so that lacquer tree seed skin-core separating efficiency reaches 97% or above, the lacquer tree seed core perfectness ratio reaches 94% or above, and effective utilization of byproducts is facilitated.

The invention relates to a method for extracting sulphuretin and butein with inhibitory activity from wood powder of a lacquer tree, belonging to the field of development and application of natural pharmaceutical chemistry and cosmetics. High-content sulphuretin and butein compounds can be rapidly and effectively prepared from the wood powder of the lacquer tree through abstraction, extraction, silica gel column chromatography and low-and-medium pressure chromatography. Sulphuretin and butein monomers prepared in the invention have low-concentration tyrosinase inhibitory activity and pose no toxic and harmful effect to human beings; the tyrosinase inhibition rates of the monomers are greater than 95% when the concentrations of the monomers are 50 [mu]g/mL; preparation process is simple and fast; the monomers are good sources for development of potential natural tyrosinase inhibitors, can be applied to preparation of whitening cosmetics and for prevention and treatment of hyperpigmentation diseases caused by excess melanin in the human body, and have good commercial prospects.

The invention provides an adjustable cutting knife. The adjustable cutting knife comprises a knife handle and a knife body arranged at the end part of the knife handle, wherein a knife edge is arranged at the bottom edge of the knife body. The adjustable cutting knife is characterized in that a vertical through groove is formed in the knife body above the knife edge; a limiting assembly with an adjustable height is arranged in the vertical through groove; an auxiliary knife assembly with an adjustable angle is arranged on the knife body on the back side of the knife edge. The cutting depth of the knife edge can be controlled through the limiting assembly arranged on the knife body, the cutting width of the knife edge is controlled through the auxiliary knife assembly arranged on the back side of the knife body, the knife is fed conveniently and easily through a sliding block or a pulley, and the cutting is completed in an equal-depth manner, so that the raw lacquer cutting rate is furthest improved, and regular notches remain for next cutting. Lacquer trunks and barks are effectively protected while the lacquer cutting efficiency is improved, and the maximum economic benefits of lacquer trees are obtained.

The invention discloses a weariness-resistant anoxia-resistant health-care product composition. The weariness-resistant anoxia-resistant health-care product composition comprises hemicellulose, lacquer tree seed oil, soy protein isolate powder, a herbal rhodiola resea extract or herbal rhodiola sacra extract, spirulina, a panax notoginseng root extract, Chinese caterpillar fungus mycelium powder and a ginseng extract. The composition can increase the aerobic metabolism level of organisms, improve the oxygen utilization efficiency of cells, strengthen the altitude acclimatization capacity, and improve operation capacity under high altitude anoxia conditions; besides, the composition can also quickly complement sugar, fat, protein and other nutrients required by the organisms, promote nutrition absorption, rapidly fill carbohydrate and lost nutrients, which are consumed by profuse sweating during movement and particularly high-intensity movement training and exercising, and contribute to alleviating weariness of center and skeleton muscles, besides, is free from any toxic and side effects, and has significant efficacy of resisting weariness, resisting anoxia and adjusting immunity.

The invention discloses a method for rapidly extracting flavone and a phenolic acid compound from lacquer trees at normal temperature. The method comprises the following steps that lacquer tree bark or lacquer tree wood part are dried at low temperature to constant weight, crushed, mixed with a dispersion matrix, uniformly ground, leached and extracted by using an extraction solvent, and concentrated to finally obtain the lacquer tree flavone and the phenolic acid compound. Compared with a conventional extraction method, the method has the advantages that heating is not needed, damage to raw material components is little, the operation process is simple, the product yield is high, and the obtained lacquer tree flavone and the phenolic acid compound has good color and luster and can be applied to the fields of oxidation resistance, fatigue resistance and the like.

The invention herein disclosed provides for compositions, methods for synthesizing said compositions, and methods for using said compositions, wherein the compositions and methods may be used to bind to and/or deactivate a poison oak oil, such as urushiol. The compositions and methods can be used to treat and/or reduce an inflammatory reaction and/or hypersensitivity to natural compounds found in poison oak, poison ivy, poison sumac, mango, lac tree, and cashew nut.