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37 results about "Turpentine" patented technology

Turpentine (also called spirit of turpentine, oil of turpentine, wood turpentine and colloquially turps) is a fluid obtained by the distillation of resin from live trees, mainly pines. It is mainly used as a solvent and as a source of materials for organic synthesis.

Recycling and reusing device for turpentine processing waste

ActiveCN224072274UPlastic recyclingCentrifugesGear wheelTurpentine
The utility model relates to the technical field of turpentine recovery, and discloses a turpentine processing waste recycling device which comprises a recovery cylinder, the lower surface of the recovery cylinder is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a centrifugal cylinder, and the lower end of the left side surface of the recovery cylinder is fixedly connected with a discharging pipe communicated with the interior of the recovery cylinder. Two filter plates are movably connected to the upper surface of the discharge pipe from left to right in a penetrating manner; racks are fixedly connected to the upper ends of the filter plates, and a driving mechanism is arranged at the position, between the two filter plates, of the upper surface of the discharging pipe; according to the turpentine recycling device, the scraping mechanism is arranged, and a spring in the scraping mechanism is stretched under the action of centrifugal force, so that a scraping plate is attached to the inner wall of the recycling barrel, and adhered turpentine is removed; impurities in rosin are filtered through filter plates, a second motor drives a gear to rotate, and staggered lifting of two racks can be realized, so that the two filter plates are quickly switched for use, and blockage caused by long-time use of the same filter plate is avoided.
Owner:JINGGU XINGFA FOREST CHEM CO LTD

Traditional Chinese medicine aromatic penetration enhancer containing plant cell extract and preparation method of traditional Chinese medicine aromatic penetration enhancer

The invention discloses a plant cell extract-containing traditional Chinese medicine aromatic penetration enhancer and a preparation method thereof, and the penetration enhancer comprises the following components in parts by mass: 8-15 parts of storax nano-vesicles, 3-8 parts of agilawood nano-vesicles, 1-5 parts of refined turpentine, 0.5-3 parts of panax notoginseng saponins, 0.5-3 parts of rhododendron dauricum oil and 20-35 parts of grape seed oil, the storax nano-vesicles and the agilawood nano-vesicles are exosome-like nano-vesicles extracted from plant secretion, and the particle size of the vesicles is 50-200 nm. Skin interstices are opened, skin meridians and blood are dredged, and accordingly relieving, inflammation resisting, redness improving and skin barrier repairing are achieved.
Owner:GUANGZHOU LUGUO FANGHUA BIOTECHNOLOGY CO LTD

Extraction device of turpentine

The invention discloses a turpentine oil extraction device, and relates to the technical field of turpentine oil extraction. The turpentine oil extraction device comprises a feed port, a feed port, a residue discharge port and an oil outlet valve which are arranged on an extraction tank, a filter screen is arranged at an inlet of the oil outlet valve, a lifting disc is connected in the extraction tank through a lifting mechanism, a plurality of filter holes arranged in an array are formed in the top of the lifting disc, a rotating cover is rotationally connected to the top of the extraction tank, and the rotating cover is arranged in the extraction tank. A plurality of rectangular pipes are fixedly inserted into the side wall of the rotating cover, a plurality of round pipes are fixedly inserted into the bottom of each rectangular pipe, the round pipes are inserted into the filter holes, and a uniform feeding mechanism is arranged at the bottom of the lifting disc. According to the turpentine oil extraction device, when raw material turpentine is fed into the extraction tank through the feeding port, the turpentine entering the extraction tank is more uniformly dispersed and is prevented from being accumulated, the dissolution efficiency and effect can be improved, and then the turpentine oil extraction efficiency and effect are improved.
Owner:NANJIAN YI AUTONOMOUS COUNTY HELI FOREST PROD CO LTD

Tail gas purification device for turpentine oil processing

The utility model discloses a turpentine processing tail gas purification device, which relates to the technical field of turpentine processing and comprises a device shell, a gas inlet pipe and an exhaust pipe, one end of the gas inlet pipe is connected with an activated carbon purification mechanism, and a gas valve is arranged between the gas inlet pipe and the activated carbon purification mechanism. A fixing assembly is movably arranged at the top end of the activated carbon purification mechanism, an extraction mechanism is arranged on one side of the activated carbon purification mechanism, the activated carbon purification mechanism communicates with the extraction mechanism through an extraction pipe, and a sealing mechanism is arranged at the position where the extraction mechanism is connected with the extraction pipe. According to the utility model, through the cooperative arrangement of the extraction mechanism and the sealing mechanism, when the filter element needs to be replaced after long-term use, the air valve is firstly operated to close the connecting channel, then the extraction mechanism is controlled to extract untreated tail gas, then the fixing assembly is disassembled to start the activated carbon purification mechanism, and the inner filter element is replaced; and untreated harmful tail gas is prevented from leaking.
Owner:FUJIAN NANPING GREEN PINE CHEM CO LTD

A turpentine production distillation apparatus

The application discloses a turpentine production distillation device and relates to the technical field of turpentine production. The turpentine production distillation device comprises a pretreatment tank and a cover plate rotating at the bottom of the pretreatment tank, the top of the pretreatment tank is connected with a mounting cover through a lifting mechanism, the mounting cover is rotationally connected with a rotating disc, a plurality of mixing grooves are formed in the top of the rotating disc, L-shaped pipes are fixedly arranged at the bottom of each mixing groove, and a first feeding mechanism for feeding turpentine raw materials into the mixing grooves is arranged at the top of the pretreatment tank. The turpentine production distillation device is convenient for flocculation operation on raw materials before distillation, the mixing efficiency is higher, the mixing effect is better, the flocculation efficiency and effect are improved, after flocculation is completed, the upper turpentine phase, the middle water phase and the lower impurity layer can be separately discharged, the lower impurity layer can be extruded, raw material waste is avoided, and transportation and disposal are facilitated.
Owner:NANJIAN YI AUTONOMOUS COUNTY HELI FOREST PROD CO LTD

Tail gas deodorization device for rosin processing

The utility model discloses a tail gas deodorization device for rosin processing, which belongs to the field of rosin processing and comprises a water spraying tank, a liquid medicine atomizing device is arranged on one side of the water spraying tank, a waste gas inlet is arranged on one side of the water spraying tank, and a dust particle filtering device is arranged on one side of the waste gas inlet. The dust particle filtering device comprises a vent groove connected to the waste gas inlet end and a plurality of HEPA filter screens located in the vent groove. Compared with the prior art, the device has the advantages that the dust particle filtering device is additionally arranged in front of the waste gas inlet, dust and rosin in tail gas are filtered through the multiple layers of HEPA filter screens in the vent groove, the phenomenon that the impurities block the liquid medicine atomization device is avoided, the anti-blocking filter screen is installed above the water storage tank of the water spraying tank, and therefore the dust and rosin in the tail gas can be filtered out. And the impurities easy to block are filtered for the second time, so that smooth operation in the liquid medicine atomization device is ensured.
Owner:JINGDEZHEN FENGLIN FOREST PROD CO LTD

A pine wood nematode disease prevention and treatment agent and a preparation method thereof

The present application relates to nematode disease prevention and treatment agent technical field, especially to a kind of pine wood nematode disease prevention and treatment agent and preparation method thereof, by weight parts, including the following components: sophocarpidine 10-30 parts;Azadirachtin 5-20 parts;Turpentine 40-70 parts;Emulsifier 5-15 parts;Efficiency agent 1-5 parts;Stabilizer 0.5-3 parts, the synergistic effect of sophocarpidine and azadirachtin constitutes the core of the present application;Quinolone ring and pyridine ring structure in sophocarpidine molecule endow it with strong insecticidal activity, mainly by inhibiting acetylcholinesterase to interfere with the nerve conduction of nematode;And the complex triterpenoid structure of azadirachtin can interfere with the hormone system of nematode, inhibit its growth and development and reproduction.The two different mechanisms of action form complementation at molecular level, both can quickly kill nematode, and can long-term inhibit its population growth;Second, turpentine as natural terpene compound, the permeability of other active ingredients is enhanced.
Owner:HUNAN ACAD OF FORESTRY

Larch turpentine emulsion

The present invention relates to an emulsion comprising an aqueous phase A and a nonaqueous phase B emulsified with phase A, wherein phase B comprises larch turpentine as component B1 and at least one emulsifier as component B2. The present invention further relates to a topical spray comprising said emulsion, the use of said emulsion in a method of treatment of wounds of a subject, and a process for producing said emulsion.
Owner:VEREIN FÜR KREBSFORSCHUNG

Turpentine recycling device

ActiveCN224077309Uplay the role of injectionIncrease the speed of recyclingEssential-oils/perfumesTurpentineDouble filtration
The utility model discloses a turpentine recycling device, which belongs to the technical field of turpentine treatment, and comprises a bottom plate, a collecting tank is fixedly mounted on the upper surface of the bottom plate, a booster oil pump is fixedly mounted on the upper surface of the bottom plate, the input end of the booster oil pump is fixedly communicated with a liquid pumping pipe, a liquid injection hopper is arranged above the bottom plate, and the liquid injection hopper is fixedly communicated with the liquid pumping pipe. The top end of the liquid pumping pipe penetrates through the liquid injection hopper and extends into the liquid injection hopper, the top end of the liquid pumping pipe is fixedly connected with a filter screen plate, the effect of injecting turpentine oil is achieved through the arranged liquid injection hopper, meanwhile, the turpentine oil in the liquid injection hopper can be pumped through cooperation of a booster oil pump, the liquid pumping pipe and a liquid discharging pipe, and therefore the turpentine oil can be conveniently injected into the liquid injection hopper. The turpentine can be continuously filtered and discharged into the lower filter cover through pressurization, double filtration can be performed through a primary filter plate and a high-efficiency filter plate, and through arrangement of a liquid conveying pipe and a collecting tank, the turpentine subjected to continuous filtration can be collected and treated, and then the turpentine can be continuously pressurized, filtered and collected.
Owner:JINGGU XINGFA FOREST CHEM CO LTD

Natural pharmaceutical composition for treatment of peptic ulcer

PCT designated stageWO2026058034A1Organic active ingredientsDigestive systemSide effectTurpentine
The invention relates to a natural pharmaceutical composition for prevention and treatment of gastric ulcer and a preparation method of the natural pharmaceutical composition. The natural pharmaceutical composition comprises active natural medicinal ingredients. It is composed of turpentine oil, black seed oil, vitamin D and hyaluronic acid. The natural pharmaceutical composition provides a significant synergistic effect, combining anti-inflammatory, antibacterial, and gastroprotective properties, while also ensuring cost-effectiveness and minimal side effects compared to conventional treatments. Beside gastric ulcer is effective in relief of symptoms associated with gastric ulcer. The natural composition has the advantages of accurate curative effects, preparation stability, simplicity and feasibility in process and suitableness for industrial production.
Owner:GHADERI ADEL +2

Reaction device for spin super / micro-gravity-micro-interface synergistic strengthening of rosin catalytic hydrogenation and use method thereof

ActiveCN116159504BChemical/physical/physico-chemical nozzle-type rreactorsNatural resin chemical modificationInterfacial reactionTurpentine
The application discloses a reaction device for spin rotating super / micro gravity-micro interface synergistically reinforced catalytic hydrogenation of turpentine, which comprises a heat exchanger, the connection mode between the heat exchangers is series connection and parallel connection, that is, series connection combined with parallel connection, the material outlet of the first heat exchanger is communicated with the material inlet of the second heat exchanger, and the material outlet of the Nth heat exchanger is communicated with the material inlets of the N+1th and N+2th heat exchangers, a super / micro gravity-micro interface reactor and a fluid conveyor, wherein the material inlet is communicated with the fluid conveyor. The centrifugal force generated by the self-rotating circumferential flow of the reaction material in the reaction device is utilized to overcome the gravity to form a super / micro gravity-micro interface field, so that the heterogeneous reaction material is formed into millimeter or micrometer droplets and small bubbles, the collection scale of the gas-liquid-solid interface is efficiently regulated from the millimeter level to the micrometer level, and the mixing and transfer process of the heterogeneous reaction material are efficiently promoted.
Owner:GUANGXI UNIV

A dsRNA nanoformulation and its application in the control of red turpentine beetle.

PendingCN122503381ADendroctonus valensTurpentine
This invention belongs to the field of forestry biotechnology, specifically relating to a dsRNA nanoparticle formulation and its application in the control of the red turpentine beetle. This invention utilizes RNA interference technology to effectively control the red turpentine beetle by interfering with the expression of its V-ATPase gene. To optimize application methods and improve ease of use, this invention uses carbon quantum dots (CQDs) to encapsulate the dsRNA to prepare a nanoparticle formulation. This nanoparticle formulation can also silence the V-ATPase gene and cause abnormal death in red turpentine beetle larvae. This invention utilizes RNAi technology to specifically target the red turpentine beetle, offering advantages such as strong targeting, environmental friendliness, and low risk of developing resistance. It solves the problems of environmental pollution and increased pest resistance associated with existing chemical pesticide control of the red turpentine beetle, providing a new technical approach and material basis for the green and efficient control of the red turpentine beetle, and has significant application value and economic and ecological benefits.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Oil-water separator for recovering turpentine

The utility model discloses an oil-water separator for recovering turpentine, which belongs to the technical field of turpentine and comprises a bottom plate, two support legs are fixedly connected to the upper surface of the bottom plate, a separation tank is fixedly mounted on one side surfaces, close to each other, of the two support legs, and a through pipe is fixedly communicated with the bottom surface of the separation tank. An electric butterfly valve fixedly communicates with the outer surface of the through pipe, an annular pipe is arranged in the separation tank, a plurality of spray heads fixedly communicate with the outer surface of the annular pipe, and a high-pressure water pump is fixedly installed on the upper surface of the bottom plate. And then cleaning liquid in the water storage tank can be pumped, the cleaning liquid is rapidly sprayed out of the inner wall of the separation tank through a water supply pipe, an annular pipe and a plurality of spray heads for automatic cleaning, workers do not need to clean the inner wall of the separation tank, the subsequent oil-water separation effect on turpentine is improved, and the practicability during use is improved.
Owner:JINGGU XINGFA FOREST CHEM CO LTD

Forest comprehensive protection tree belt based on plant source insect repellant and photo-thermal double response and preparation method and application thereof

The invention discloses a comprehensive forest protection tree belt based on plant source insect repellant and photo-thermal double response and a preparation method and application thereof, and belongs to the technical field of forestry pest control. The photothermal response nursing bed sequentially comprises a nursing layer and a photothermal response layer from bottom to top. The conservation layer is a composite film of chitosan and polylactic acid, and the photo-thermal response layer sequentially comprises an anatase type TiO2 and nitric acid oxidized carbon black composite layer, a polypropylene non-woven fabric loaded insect-repelling gel layer and a siliceous bipyramid layer from bottom to top. The insect-repelling gel comprises the following components: 15% of matrine, 10% of azadirachtin, 5% of turpentine, 70% of carboxymethyl cellulose and gt of humidity; when the expansion rate is 70%, the expansion rate is 3.0 times. Compared with the prior art, the photoelectric property and the stability of the tree belt are remarkably improved, the preparation cost is reduced, and the tree belt is more energy-saving and environment-friendly.
Owner:NORTHWEST A & F UNIV

A bio-based main-chain benzoxide resin and its preparation method

This invention discloses a bio-based main-chain benzoxazine resin and its preparation method. The specific preparation process includes the following steps: ① Reacting natural phenol and terminal hydrogen organosiloxane in the presence of a catalyst, and removing the catalyst to obtain silanized diphenol. ② Reacting the silanized diphenol, alkyl diamine, and formaldehyde, and purifying the mixture to obtain a benzoxazine precursor. ③ Curing the obtained precursor to obtain the bio-based main-chain benzoxazine resin. This invention introduces organosiloxane chains and bulky alkyl rings into the structure of benzoxazine resin, achieving intrinsic toughening and low dielectric properties. Simultaneously, using natural phenols and turpentine-derived amine compounds as raw materials, it possesses characteristics such as low cost, simple operation, and environmental friendliness. The obtained resin is expected to be applied in composite materials, electronic insulation materials, electronic packaging materials, and other fields.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Pharmaceutical formulation for treating breast hyperplasia and preparation method therefor

PCT designated stageWO2026108042A1MicroneedlesMedical devicesFritillaria thunbergiiTurpentine
A pharmaceutical formulation for treating breast hyperplasia and a preparation method therefor. The pharmaceutical formulation comprises a drug-loaded microneedle layer, a backing layer connected to the drug-loaded microneedle layer, and a medical blank adhesive patch adhered to the backing layer. The drug-loaded microneedle layer is prepared from the following raw materials: a traditional Chinese medicine compound clear paste, a microneedle matrix and purified water. The traditional Chinese medicine compound clear paste is prepared from the following raw materials: radix bupleuri chinensis, curcumae radix, rhizoma cyperi, radix paeoniae alba, frankincense, rhizoma pinelliae, bulbus fritillariae thunbergii, spica prunellae, camphor essential oil, turpentine and a 70% ethanol solution. The backing layer is prepared from the following raw materials: a backing layer matrix and purified water.
Owner:GONG RURU

A thermal spray coating sealant and method of making the same

PendingCN122326115APROPYLENE GLYCOL BUTYL ETHERZinc phosphate
This invention discloses a sealing agent for thermal spray coatings and its preparation method. The sealing agent comprises the following components: 6-10 parts terpene resin, 10-25 parts turpentine oil, 1-5 parts zinc phosphate, 3-16 parts organic solvent, and 5-15 parts propylene glycol butyl ether. The preparation method is as follows: under continuous heating, turpentine oil is added to the organic solvent and stirred for the first time to obtain a first solution; then, terpene resin and zinc phosphate are added to the first solution, and stirred for the second time to obtain a second solution; finally, propylene glycol butyl ether is added to the second solution, and stirred for the third time to obtain the sealing agent. The sealing agent can be used to seal thermal spray coatings. This invention introduces terpene resin, zinc phosphate, and turpentine oil as raw materials for the sealing agent, significantly improving the long-term corrosion resistance of thermal spray coatings in high-salt and high-humidity environments.
Owner:NANTONG RUISHENG NEW MATERIAL TECHNOLOGY CO LTD +1

Formulation of transparent nanoemulsion biopesticide from citronella oil and its manufacturing process

PCT designated stageWO2026133315A1BiocideFungicidesPhytophthora sp.Capsicum annuum
This invention reveals a transparent nanoemulsion biopesticide formulation of citronella oil with a particle size of less than 50 nm that functions as a biopesticide. A nano-biopesticide formulation based on citronella oil consisting of (1) citronella oil 5-8%, (2) emulsifier tween 1-2.4%, (3) turpentine oil 0.5-1%, (4) wetting agent Ethylan@SP25 8-10%, (5) glycerol 1-1.6%, and the remainder is distilled water, the total percentage of the ingredients being 100%, which is characterized by a clear / transparent mixture with a particle size of less than 50 nm. This invention functions as a biopesticide to control the fungus Phytophthora capsici and pests of aphids, thrips, and mites on chili plants.
Owner:BADAN RISET DAN INOVASI NASIONAL (BRIN)

Recovery device for rosin purification

PendingCN122006311Aavoid taking awayGuaranteed separation effectPlastic recyclingNatural resin purificationTurpentineStructural engineering
The invention belongs to the technical field of turpentine purification, and relates to a turpentine purification recovery device which comprises a rack and a recovery module obliquely arranged on the rack. The recycling module comprises a feeding frame and a treatment frame communicated with the feeding frame, an arc-shaped filter plate is arranged in the treatment frame, a discharging frame is connected to one side of the treatment frame, a spiral auger is rotationally arranged between the discharging frame and the feeding frame, a transmission frame is connected to the first end of the arc-shaped filter plate, and two rollers are rotationally arranged on the transmission frame; the end part of the spiral auger is connected with an inclined turntable; and the edge of the turntable is positioned between the two rollers on the transmission frame. The spiral auger conveys the solid impurities reserved on the arc-shaped filter plate to the direction of a higher position, and liquid attached to the solid impurities continuously falls off by utilizing gravity; and when the spiral auger rotates, the arc-shaped filter plate is automatically and synchronously driven to shake back and forth along the spiral auger, so that liquid attached to the solid impurities is shaken off, the attached liquid is prevented from being taken away by the solid impurities, and the separation effect is guaranteed.
Owner:ANYUAN COUNTY SONGYUAN FORESTRY CHEM CO LTD

A cleaving system for extracting turpentine from rosin

The application discloses a cracking system for extracting turpentine from rosin, which comprises a steam tank, a distillation tank, a dissolving tank and a cooling device, and is characterized in that the steam tank, the distillation tank, the dissolving tank and the cooling device are connected through pipelines, and the top of the dissolving tank is fixedly connected with a feeding pipe. The application is characterized in that the storage tank is arranged to store the dissolved fat liquid, the overlapping hole one and the overlapping hole two are intermittently overlapped by the rotating sealing plate, the bottom overflow groove is filled, the top plate in the overflow groove slowly moves to make a small amount of fat liquid enter the multi-component flow pipe, the fat liquid flow duration is prolonged by the guide rod, the heat exchange area is increased, the steam is uniformly sprayed into the distillation tank through the multiple rotating air pipes after entering the shunt box, and thus the carbonization of rosin can be prevented, the heat exchange area of the fat liquid is further increased, and the distillation efficiency is improved.
Owner:JIANGXI JIREN LINHUA IND CO LTD

Preparation method of camphene product

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.
Owner:FUJIAN NANPING GREEN PINE CHEM CO LTD

Cleaning agent and preparation method thereof

PendingCN121825666ANon-ionic surface-active compoundsFoam regulating compositionsTurpentineGlycerol
The invention relates to the technical field of environment-friendly cleaning agents, in particular to a cleaning agent and a preparation method thereof.According to the cleaning agent, lactic acid, propylene glycol monomethyl ether and tea seed oil serve as main active ingredients, and ethyl alcohol, turpentine, glycerin, glycerin monostearate, xanthan gum, sodium gluconate and other components are matched; a composite cleaning system is formed through an optimized proportion and a graded preparation process, the rationality of the proportion is ensured, in the preparation process, propylene glycol monomethyl ether and deionized water are mixed and dissolved at the controlled temperature, then other components are added according to a specific sequence, process parameters are accurately regulated and controlled, and finally a concentrated stock solution is obtained through curing and filtering. The cleaning agent has an excellent cleaning effect on saline-alkaline dirt on the surface of an offshore photovoltaic panel at the temperature of between normal temperature and 40 DEG C, and has the advantages of high biodegradation rate, low emission of volatile organic compounds, small corrosion to photovoltaic materials and the like.
Owner:JIANGSU KEXING NEW MATERIALS CO LTD

Preparation and application of terpene copolymer

PendingCN121758673AThermoplasticFiber
The invention relates to a preparation method and application of a terpene copolymer, which comprises the following steps: mixing turpentine and glycidyl methacrylate in a molar ratio of 1: 1, adding azodiisobutyronitrile (1.5 wt%) as an initiator, carrying out reflux reaction at 80 DEG C for 14 hours, and drying the obtained solid product at 70 DEG C for 2 hours to obtain the terpene copolymer; and further adding the terpene copolymer into a certain amount of starch and glycerol, and extruding by using an extruder to obtain the terpene copolymer modified thermoplastic starch plastic. The copolymer of natural turpentine and glycidyl methacrylate is prepared based on a bulk polymerization method for the first time, and the polymerization process is simple and controllable; meanwhile, the thermoplastic starch plastic prepared after the terpene copolymer is added is excellent in hydrophobicity, the surface water contact angle can reach 90 degrees or above, the mechanical property is obviously improved, and especially on the premise that the tensile strength is improved, the fracture toughness can be effectively improved at the same time. The terpene copolymer prepared by the method also has wide application prospects in the fields of other plastics, rubber, fibers and composite materials.
Owner:NANJING FORESTRY UNIV

DsRNA (double-stranded ribonucleic acid) designed based on Orco gene of dendroctonus valerionus as well as preparation and application of dsRNA

ActiveCN121896225ABiocideAnimal repellantsBiotechnologyDendroctonus valens
The invention discloses dsRNA (double-stranded RNA) designed on the basis of Orco genes of dendroctonus comosus and preparation and application of the dsRNA, and belongs to the technical field of forestry biological genetic engineering, the dsRNA designed on the basis of the Orco genes is double-stranded RNA composed of a nucleotide sequence as shown in SEQ ID NO: 1 serving as a sense strand and a nucleotide sequence as shown in SEQ ID NO: 2 serving as an antisense strand. According to the application, a new choice is provided for preventing and treating the dendroctonus repens, the dsRNA is introduced into the dendroctonus repens body to interfere with the olfactory recognition capability of the dendroctonus repens or destroy the chemical communication function of the dendroctonus repens, and the application has great application value for preventing and treating the dendroctonus repens.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Botanical repellent for dendroctonus valerieus as well as preparation method and application of botanical repellent

PendingCN121795421ABiocidePest repellentsDendroctonus valensPesticide residue
The invention belongs to the technical field of biological prevention and control, and particularly discloses a botanical repellent for dendroctonus valerieus as well as a preparation method and application of the botanical repellent. The botanical repellent comprises a solvent and an effective component, and the effective component is selected from one or more of 1-octylene-3-ol, cis-3-hexenol and trans-2-hexenal. The invention discloses a botanical repellent for dendroctonus valerieus as well as a preparation method and application of the botanical repellent. The repellent does not generate pesticide residues, is long in lasting period, can cover the main harm period of dendroctonus valerieus, and can effectively prevent and treat dendroctonus valerieus.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Turpentine recovery system of pulping and paper-making factory

The utility model relates to the technical field of pulping and paper-making factory equipment, and particularly discloses a turpentine recovery system of a pulping and paper-making factory, which comprises an evaporation heavy-dirt condensate water tank, the lower part of the evaporation heavy-dirt condensate water tank is connected with a heavy-dirt water pump through a pipeline, and the heavy-dirt water pump is connected with a condensate water cooler through a pipeline. The condensate water cooler is connected with the bottom of the turpentine separator through a pipeline, an overflow pipe is arranged at the top of the turpentine separator, a regulating valve is arranged on the overflow pipe, and the overflow pipe is connected with the turpentine tank through a pipeline; the bottom of the turpentine separator is connected with a U-shaped pipe, the liquid outlet end of the U-shaped pipe is connected with the heavy-pollution condensate water tank, and a U-shaped elbow of the U-shaped pipe is higher than the ground relative to the liquid inlet end and the liquid outlet end of the U-shaped pipe, so that turpentine can be separated through an overflow pipe at the top of the turpentine separator, but water cannot reach the top of the tank. According to the utility model, turpentine in the evaporation heavy sewage tank can be separated, and the evaporation efficiency of the evaporation system is improved.
Owner:WUHAN KAIBIS POWER EQUIP CO LTD

Beauveria sp. Bp-01 and recombinant strain thereof and application

PendingCN122303049ABiotechnologyDendroctonus valens
This invention belongs to the field of microbial technology, specifically disclosing a strain of *Beauveria bassiana* Bp-01, its recombinant strain, and its applications. The *Beauveria bassiana* Bp-01 provided by this invention, with the preservation number CGMCC No. 42442, exhibits strong pathogenicity against the red turpentine beetle and can be used as an excellent biocontrol strain. To further enhance its insecticidal virulence and infection rate, this invention utilizes genetic engineering techniques to successfully construct a recombinant strain Bp, with the preservation number CGMCC No. 42333, by overexpressing the venom protein SERCA in *Beauveria bassiana* Bp-01. Verification showed that compared to the wild-type strain, this recombinant strain infects *Red turpentine beetle* larvae faster, has a higher lethality, and significantly enhanced virulence, further demonstrating stronger infection and colonization capabilities. This invention can be applied to the preparation of biocontrol agents to achieve efficient control of the forest pest, the red turpentine beetle.
Owner:HEBEI UNIVERSITY

Processing method for improving rosin product quality

The invention discloses a processing method for improving the quality of a rosin product, and relates to the field of rosin processing. The method comprises the steps of pretreatment, dissolution, ultrasonic water washing, gradient clarification, distillation modification co-treatment and segmented recovery, wherein low-oxygen sterile water preparation parameters are optimized through a response surface method, and efficient clean water supply is achieved in combination with an enhanced mass transfer technology; the washing impurity removal effect is improved through double-frequency ultrasonic cooperation and intelligent regulation and control, and the problems of distillation high-temperature component decomposition, high energy consumption and rosin moisture absorption and caking are synchronously solved through the microwave steam coupling heating and modifier atomization spraying technology. The method is beneficial to shortening the production cycle, reducing the energy consumption and the risk of secondary pollution, and greatly improving the high-grade rate of turpentine, the special-grade rate of rosin and the storage stability.
Owner:LONGYAN XUSONG NEW MATERIALS CO LTD

Non-petroleum sourced aviation fuel blends including blending components directly sourced from turpentine having enhanced seal swell, reduced sooting, and enhanced density

PCT designated stageWO2026059612A3Liquid carbonaceous fuelsHydrocarbonsAviationTurpentine
Materials and methods for forming a non-petroleum sourced aviation fuel blend are described. A non-petroleum sourced base fuel is combined with aromatic and / or cyclic molecules sourced from turpentine as a blending component that provides a non-petroleum sourced aviation fuel blend meeting applicable standards for an aviation fuel. The aromatic and cyclic molecules sourced from turpentine may be directly sourced from the turpentine, through distillation, fractionation, vapor recovery, and the like from wood or wood products, or by hydrogen-alteration of molecules directly sourced from the turpentine. The aromatic and cyclic molecules sourced from the turpentine used in the blending component have from 6 to 14 carbon atoms, preferably 9 to 11 carbon atoms, and more preferably 10 carbon atoms.
Owner:CAPTIS AIRE LLC +1