53 results about "Terpineol" patented technology

The application discloses a preparation method of a low-TCR low-cost ceramic heating tube, and comprises the following steps: (1) preparing an organic carrier: 60 parts by weight of terpineol, 20 parts by weight of ethyl cellulose, 10 parts by weight of a binder and 10 parts by weight of diethylene glycol acetate are placed into a magnetic stirrer and uniformly dissolved and mixed; (2) weighing metal powder: Mo: 50-70 parts by weight; Re: 20-30 parts by weight; Mn: 0-5 parts by weight; Cr: 10-15 parts by weight; by adopting Mo, Re, Mn and Cr in a specific ratio as the metal powder, the traditional mode of adopting metal ruthenium powder or a mixture of metal ruthenium powder and other common metal powder is replaced, the prices of Mo, Re, Mn and Cr are low, so that the preparation cost of the ceramic heating tube is effectively reduced, the purpose of low TCR is achieved, and the scale production is facilitated; meanwhile, the ceramic heating tube prepared by adopting the application has higher overall bending strength, and can better meet the use requirement.

The invention relates to the technical field of non-ferrous metal beneficiation, in particular to a flotation reagent composition for recycling micro-fine particle copper sulfide from copper oxide acid leaching residues and a beneficiation method of the flotation reagent composition. The flotation reagent composition for recovering copper sulfide from copper oxide acid leaching residues is characterized by comprising a collecting agent, a hydrophobic agglomeration agent and a foaming agent, and the collecting agent is ethyl thioacetate; the hydrophobic agglomeration agent is prepared from octadecyl triethoxy silane and kerosene; and the foaming agent is selected from terpilenol, methyl isobutyl carbinol or sec-octanol. The ethyl thioacetate serving as a collecting agent is stable in chemical property in an acid environment, weak in gangue mineral collecting capacity and good in selectivity in the copper sulfide mineral flotation process, and therefore the grade and the recovery rate of obtained copper sulfide concentrate are higher.

The invention provides hansenula polymorpha YC-C-16 capable of producing lactic acid and application of the hansenula polymorpha YC-C-16, and belongs to the technical field of microorganisms and wine brewing. The hansenula polymorpha YC-C-16 is characterized in that the hansenula polymorpha YC-C-16 is named as hanseniaspora uvarum in taxonomy, is preserved in the China Center for Type Culture Collection, has the preservation number of CTCC M 20252302, is preserved in Wuhan University on October 22, 2025, and is named as hanseniaspora uvarum in Wuhan University. The grape juice hansenula polymorpha YC-C-16 disclosed by the invention can be used for fermenting grape wine independently or together with saccharomyces cerevisiae, the content of lactic acid in the grape wine can be increased, and flavor substances such as ethyl butyrate, alpha-terpilenol, ethyl salicylate, ethyl myristate and trans-2-heptenal are added, so that the flavor level of the grape wine is increased. The hansenula polymorpha YC-C-16 provided by the invention can be widely applied to the field of wine fermentation.

1. The name of the design product: packaging box (4-terpineol eye pad). 2. The use of the design product: packaging box for packaging eye pad. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The application relates to the technical field of ammonia gas sensors, and discloses a preparation method of a laser-induced graphene-based ammonia gas sensor, which adopts the following technical scheme: a preparation method of a laser-induced graphene-based ammonia gas sensor, comprising the following steps: S1, laser direct writing is performed on the surface of a polyimide film through a laser engraving device to form a set of interdigital electrode patterns on the surface of the polyimide film; S2, a gas-sensitive material is prepared, the gas-sensitive material is mixed and ground with terpineol and glass beads, and then the mixed gas-sensitive material is coated on the treated polyimide film; and S3, the polyimide film obtained in the step S2 is aged at 60-70 DEG C to obtain a flexible ammonia gas sensor. The flexible substrate with interdigital electrodes can be prepared in a low-cost manner.

The present application relates to a fragrance composition reproducing the fragrance of white lotus and a skin external composition and a fragrance product containing the fragrance composition reproducing the fragrance of white lotus, and particularly relates to a fragrance composition reproducing the fragrance of white lotus with excellent preference by adding 2-phenylethanol to pentadecane, p-xylene, heptadecane, sabinene, limonene, myrcene, alpha-terpineol, etc. analyzed by SPME method. The fragrance composition provided by the present application contains pentadecane, p-xylene, heptadecane, sabinene, limonene, myrcene, alpha-terpineol, etc. which are main components of the fragrance of white lotus, and also contains 2-phenylethanol, thereby reproducing the fragrance of white lotus and improving the preference of the fragrance.

The invention discloses ohmic contact modified thick-film copper paste adaptive to spinel ceramics and a preparation method of the ohmic contact modified thick-film copper paste. The ohmic contact modified thick-film copper paste comprises 80-85 wt% of high-purity copper powder, 0.5-1 wt% of an interface modifier, 4-7 wt% of a bonding aid, 0.3-0.8 wt% of a grain refiner, 0.2-0.5 wt% of an antioxidant aid and 12-15 wt% of a carrier. The preparation method comprises the following steps: drying in a high-temperature vacuum environment; weighing all the materials except the carrier, adding 4wt% of terpilenol, and stirring and mixing to obtain mixed powder; adding the terpilenol and the ethyl cellulose in the remaining proportion into the mixed powder, stirring and dispersing, and grinding for three times; after grinding is completed, terpilenol is added, and the viscosity of the copper paste is adjusted; the copper slurry is filtered, and large-particle impurities and aggregates are removed; and defoaming the copper paste to obtain the modified thick-film copper paste. The method has the advantages that the interface modifier provides excellent ohmic contact performance; the sintered copper paste is high in density, low in porosity, stable in sheet resistance and large in through-flow density, and is obviously superior to the traditional copper paste; the grain refiner avoids structural failure, and the long-term working reliability is improved; sn powder and copper form an alloy, so that the service life is prolonged.

To provide a beverage in which fresh feeling of fruit and juicy feeling of fruit are enhanced, a method for producing the beverage, and a method for improving flavor of the beverage.SOLUTION: The beverage contains fenchol and 4-terpineol. The method for producing the beverage includes a step of incorporating fenchol and 4-terpineol. A method for improving a flavor of a beverage according to the present invention is a method for improving a flavor of a beverage that enhances a fresh feeling of a fruit and a juicy feeling of a fruit, the method including the step of adding fenchol and 4-terpineol to the beverage.SELECTED DRAWING: None

This application discloses a method for preparing dihydroterpineol, relating to the field of terpene fragrance synthesis technology. The method comprises the following steps: Step 1, material preparation: α-terpineol, solvent, catalyst, hydrogen, and co-catalyst are prepared for use; Step 2, pretreatment: 90-100 parts of α-terpineol are mixed with 75-80 parts of solvent and stirred once until homogeneous, then 0.08-0.1 parts of co-catalyst are added and mixed again until homogeneous to obtain a stock solution; Step 3, continuous hydrogenation: The stock solution is pumped into a fixed-bed reactor filled with catalyst, while hydrogen is introduced and the temperature is controlled at 80-90℃ for continuous feeding and discharging to obtain a reaction solution; Step 4, distillation purification: The reaction solution is distilled to obtain dihydroterpineol; wherein the catalyst is a Pd-Mn-La / modified HZSM-5 catalyst. This application, by controlling the temperature at 80-90℃ for the preparation of dihydroterpineol, effectively improves product purity and yield, reduces preparation difficulty, and lowers production costs.

A new gypenoside based on gypenoside and its preparation and application, namely (4ζ)-α-terpineol 8-O-[β-D-xylopyranosyl-(1→6)-β-D-glucopyranoside], the molecular formula is C 21 H 36 O 10 , the structural formula is as follows: the application is obtained by extraction, purification and separation from gypenoside, has the activity of reducing lipid and reducing cholesterol, has the purpose of being prepared into lipid-lowering and cholesterol-lowering drugs, meanwhile, the application is simple in operation and high in feasibility, the prepared compound is high in purity, and has the prospect of industrial application.

The invention discloses low-temperature curing high-conductivity copper-silver composite conductive paste and a preparation method thereof. The conductive paste comprises silver-coated copper core-shell powder, epoxy resin, dicyandiamide, a silane coupling agent, alpha-terpilenol, a dispersing agent, hydrophilic fumed silica, glass powder and an organic copper complex. The silver-coated copper core-shell powder is prepared by the following steps: dispersing copper powder in absolute ethyl alcohol, adding a titanate coupling agent for grafting reaction, and centrifuging and drying after the reaction is completed to obtain modified copper powder; the modified copper powder is dispersed in absolute ethyl alcohol, a nitrogen-doped graphdiyne dispersion liquid is added for a composite reaction, separation and drying are conducted after the reaction is completed, and composite layer coated powder is obtained; and dispersing the composite layer coated powder in water, adding a silver ammonia solution and formaldehyde, and performing chemical reduction deposition on the surface of the composite layer coated powder to form a coated silver layer, so that the obtained composite slurry has high conductivity and heat resistance.

The invention provides a blood-sucking midge efficient repellent and a screening and identifying method thereof, and relates to the technical field of biology. According to the invention, an odor receptor gene FtaiOr1 which is highly expressed at the head of a female gnat is obtained through identification, and a transgenic drosophila melanogaster strain Or22ab- / -GAL4 which can be used for screening a blood-sucking midge repellent compound is constructed through heterologous expression of the gene in a drosophila melanogaster ab3A neuron; and UAS-FtaiOr1 (UAS-FtaiOr1). Six blood sucking midge repelling compounds (camphor, eudesmol, (+)-anisone, alpha-terpilenol, (S)-cis-verbenol and isoterpinene) are obtained by screening of the fruit fly strain. The compounds can be used independently or in a compounded manner, are friendly to non-target organisms and environment, can be directly applied to repelling and on-site prevention and control of blood sucking midges, and have important application value in the aspects of reducing midge bites and reducing the propagation risk of entomophilous diseases.

The invention relates to a solid oxide electrolytic cell isolation layer and a preparation method thereof, and belongs to the technical field of solid oxide electrolytic cells. According to the preparation method, a polyvinyl butyral (PVB)-terpilenol system is adopted as an organic carrier, then the organic carrier and SDC powder are subjected to ball milling treatment, slurry is coated on an electrolyte sheet through a screen printing process, and a sintering process is combined, so that the Sm0. 2Ce0. 8O2 (SDC) isolating layer with higher ionic conductivity and lower interface resistance is prepared. The isolation layer obtained by the invention effectively improves the overall electrochemical performance of the solid oxide electrolytic cell.

The invention relates to a method for evaluating the sensory quality of a tea aroma type distilled liquor based on instrumental analysis. The method comprises the following steps: 1) preparing a mixed standard solution containing linalool, alpha-terpineol, methyl salicylate, ethyl acetate, ethyl hexanoate, ethyl caprylate, ethyl caprate, ethyl laurate, isobutanol and isoamyl alcohol by adopting an ethanol aqueous solution; (2) preparing a sec-octanol internal standard solution by adopting absolute ethyl alcohol; 3) mixing the mixed standard solution or the tea aroma type distilled liquor with ultrapure water, sodium chloride and an internal standard solution to prepare a mixed standard substance test solution or a sample test solution; (4) analyzing the standard solution to be tested and the sample solution to be tested through an HS-SPME-GC-MS method, and calculating the content of 10 key flavor substances in the sample solution; and 4) judging the sensory quality of the sample according to a certain standard. According to the method, the sensory quality of the wine body is objectively evaluated according to the contents of the 10 key flavor substances in the tea flavor type distilled wine, and a reliable basis is provided for product quality control and market promotion.

This invention discloses a method for evaluating the quality of honeysuckle dew based on gas chromatographic characteristic spectroscopy, belonging to the field of pharmaceutical quality analysis. Through comparative analysis of a large number of samples, five volatile characteristic components in the GC chromatogram of honeysuckle dew were identified: n-hexanol, phytol, linalool, furfural, and α-terpineol. Based on this, a GC characteristic chromatogram of honeysuckle dew was established. This invention also identified two characteristic components with a strong positive correlation in content. By utilizing the GC characteristic chromatogram and the peak area ratio of the two positively correlated characteristic components, accurate detection of the quality of honeysuckle dew was finally achieved.

The present application relates to a kind of high-efficiency oil sludge separating agent, preparation method and its application in oil sludge cleaning.The high-efficiency oil sludge separating agent includes the following weight parts of component, coconut oil diethanolamide 25-45 parts, sulfonated succinic acid dioctyl ester sodium salt 15-25 parts, sodium dodecyl sulfate 3-10 parts, propylene glycol 1-5 parts, alpha-pinene or limonene 3-10 parts, alpha-terpineol or menthol 3-10 parts, acetyl linaloe 3-8 parts, citral 1-5 parts, water 15-25 parts.The application of the high-efficiency oil sludge separating agent in oil sludge cleaning includes the following steps, S1, oil sludge and agent are loaded into first container;S2, add cleaning water, keep the temperature of mixed solution at 50-70 DEG C, use stirrer to carry out high-speed shearing stirring, stirring speed is above 3000r / min;S3, after stirring, mixed solution is transferred to second container, continue to add cleaning water;S4, continue to stir, stirring speed is above 100r / min.The present application has good oil sludge separation efficiency.

The invention discloses a preparation method of a low-TCR low-cost ceramic heating tube. The preparation method comprises the following steps: (1) preparing an organic carrier: putting 60 parts by weight of terpilenol, 20 parts by weight of ethyl cellulose, 10 parts by weight of an adhesive and 10 parts by weight of diethylene glycol acetate into a magnetic stirrer, dissolving and uniformly mixing; (2) weighing metal powder: 50-70 parts by weight of Mo; 20 to 30 parts by weight of Re; mn: 0-5 parts by weight; 10 to 15 parts by weight of Cr; mo, Re, Mn and Cr in a specific proportion are adopted as metal powder, a traditional mode that metal ruthenium powder or a mixture of the metal ruthenium powder and other common metal powder is adopted is replaced, and Mo, Re, Mn and Cr are low in price, so that the preparation cost of the ceramic heating tube is effectively reduced, the purpose of low TCR can be achieved, large-scale mass production is conveniently achieved, and the production cost is reduced. And meanwhile, the ceramic heating tube prepared by the method is higher in overall breaking strength and can better meet the use requirements.

The present invention relates to a metal paste for forming a metal wiring containing a solid content of a silver particle and kneaded with a solvent. The solid content of the metal paste contains a silver particle having prescribed particle size distribution and average particle size, and using an amine compound as a protective agent. The solvent is a mixed solvent in which two organic solvents of a solvent A and a solvent B are mixed. The solvent A is dihydroterpineol or terpineol, and the solvent B is at least one organic solvent having a boiling point of 240° C. or more. The mixed solvent has a Hansen solubility parameter distance Ra from dihydroterpineol of 3.0 MPa1 / 2 or less. The metal paste further contains a high molecular weight ethyl cellulose as a first additive, and a polyvinyl acetal resin as a second additive.

This product provides a citrus-flavored alcoholic beverage that reduces the papery taste caused by dietary fiber while suppressing a decrease in crispness. [Solution] The citrus-flavored alcoholic beverage has a sugar content of less than 0.5g / 100ml and contains dietary fiber, α-terpineol, nerol, linalool, and geraniol.

The invention discloses a method for performing targeted molecular modification on bacteriostatic active ingredients in cinnamomum longepaniculatum essential oil to enhance the antibacterial property, and belongs to the technical field of natural product modification and agricultural antibacterial agents. According to the method, cinnamomum longepaniculatum essential oil is taken as a raw material, and targeted modification is realized through esterification-amination two-step reaction: step 1, butanedioic anhydride is adopted to esterify hydroxyl groups of 1, 8-cineole and alpha-terpilenol in the essential oil under the catalysis of DMAP, and carboxyl groups are introduced; in the second step, carboxyl is converted into acyl chloride through thionyl chloride, the acyl chloride reacts with ethylenediamine to introduce amino, and an ester group-amino group bifunctional structure is formed; the thermal decomposition temperature of the modified essential oil is increased by 43 DEG C, and the MIC value of the modified essential oil to four pathogenic bacteria such as fusarium oxysporum and rhizoctonia solani is reduced to 0.3% v / v to the minimum. Mechanism research shows that the modified essential oil can enhance the bacteriostatic activity by destroying cell membranes of pathogenic bacteria, inhibiting cell metabolism and regulating and controlling expression of key genes. The method is simple in process, high in yield and excellent in performance, and a new thought is provided for development of efficient natural-source antibacterial agents.

The application relates to a distiller's grains extract with anti-aging efficacy, a preparation method thereof and a cosmetic. The method comprises the following steps: extracting the fat-soluble components from distiller's grains powder to obtain a first extract and first distiller's grains; extracting the alcohol-soluble components from the first distiller's grains to obtain a second extract and second distiller's grains; and extracting the water-soluble components from the second distiller's grains to obtain a third extract. In the technical scheme, the fat-soluble components in the distiller's grains are extracted first, and then the alcohol extraction and water extraction are sequentially adopted, so that various active substances in the distiller's grains are greatly extracted, the characteristic components of the distiller's grains extract are enriched, and the resource utilization of the distiller's grains is greatly expanded. The distiller's grains extract contains the characteristic components of the distiller's grains extract, such as linoleic acid, oleic acid, maltol, eugenol, alpha-caryophyllene, alpha-terpineol, gamma-aminobutyric acid, goose myo-peptide, plant sphingosine, dihydrosphingosine, lactic acid and glycolic acid, so that the efficacy of the distiller's grains extract is greatly enriched.

This utility model relates to the field of extraction device technology, specifically a terpineol extraction device, including a processing tank and a filter tank. A connecting pipe is connected to the center of the bottom of the processing tank, and the filter tank is connected to the bottom of the processing tank via the connecting pipe. A rinsing assembly is installed inside the filter tank to rinse the terpineol crystals trapped on the filter screen. This utility model uses the rinsing assembly to rinse the filter screen. Cleaning water enters the interior of the U-shaped fixed pipe through the inlet pipe and then rinses the filter screen through a high-pressure nozzle. This not only cleans the terpineol crystals trapped on the filter screen but also uses high-pressure fluid to impact and flush out small particles adhering to the filter screen surface, maintaining the filter screen's permeability.

An aerosol generating material comprising at least two non-tobacco botanical materials, the aerosol generating material produces an aerosol when heated, the aerosol comprising: a first compound selected from the list consisting of: 2-methoxy- phenol, 2-methoxy-4-vinylphenol, vanillin, benzeneacetic acid, phenylethyl alcohol, maltol, and combinations thereof; and a second compound selected from the list consisting of: D-limonene, alpha-terpineol, levomenthol, menthol, 3-methyl butanoic acid, 2-methoxy phenol, terpinene-4-ol, 6-methyl-5-hepten-2-one, 1H-pyrrole-2- carboxaldehyde, alpha-methyl-benzenemethanol, theobromine, octadecanoic acid, n- hexadecanoic acid, methyl-ester-hexadecanoic acid, butyrolactone, caffeine, 9- octadecenoic acid, furfural, 2-methyl butanoic acid, 2,3-dihydrobenzofuran, 2- heptadecanone, and combinations thereof.

The invention discloses a method for synthesizing beta-terpilenol, which comprises the following steps: firstly, synthesizing hydrated 1, 8-terpin (terpin hydrate) from turpentine, separating out terpin hydrate crystals, washing with water until the crystals are neutral, and drying at 85-100 DEG C for 10-12 hours to remove free water; and controlling the reaction conditions to directionally dehydrate the terpin hydrate to generate the beta-terpilenol. According to the method, the zircon salt is used as the catalyst, the ester solvent is used as the reaction medium, the terpin hydrate is dehydrated to directionally generate the beta-terpilenol, and the content of the beta-terpilenol in the product can reach 54.5%. The fragrance of the dehydrated product of the terpinol hydrate is different from the lilac fragrance of the traditional terpinol, a beta-terpinol product can be singly separated by a rectification method, and the residual terpinol can still be sold as the traditional terpinol product.

The invention relates to self-degradable environment-friendly pet deodorization particles as well as a preparation method and application thereof, and relates to the technical field of pet deodorization. The deodorization particles for the pets are prepared from the following raw materials in parts by weight: 3 to 10 parts of chitosan-starch based modified materials, 1 to 3.5 parts of yucca plant extracts, 0.3 to 1.2 parts of gallocatechin, 0.45 to 2.4 parts of ellagic acid, 0.02 to 0.08 part of imine type COFs (Covalent Organic Frameworks) TpPa-1 and 0.02 to 0.05 part of gamma-terpineol. The self-degradable environment-friendly pet deodorization particle has good degradability and excellent deodorization and bacteriostasis effects, and the performance is improved through the synergistic effect of all the raw materials.

The invention belongs to the technical field of aquatic product processing, and discloses a method for preparing instant-cooking jewfish products by combining subacid electrolyzed water with an ultrahigh pressure technology. According to the invention, a subacid electrolyzed water process, a pickling and fishy smell removal process, a seasoning process and an ultrahigh pressure sterilization treatment process are successfully optimized. The SAEW treatment can maintain the color and texture stability of the fish meat. The content of fishy smell substances such as hexanal, heptanal and dimethyl trisulfide is remarkably reduced through pickling and cooking, aromatic substances such as limonene and alpha-terpilenol are generated, and the finished product is more harmonious in flavor and distinct in layer. The ultrahigh-pressure treatment can prolong the storage period and maintain the texture and taste of the fish meat. Results show that the process flow can significantly improve the product quality, prolong the shelf life and maintain good sensory quality, and a scientific basis is provided for industrial production of instant-cooking weever products.

The present invention provides a vehicle composition that exhibits little change in viscosity due to temperature, and that makes it possible to produce a conductive paste in which there is little variation in viscosity. The present invention also provides a slurry composition that comprises said vehicle composition and an electronic component that is obtained using said slurry composition. The present invention is a vehicle composition comprising a binder resin and a vehicle solvent, wherein: the binder resin contains a (meth)acrylic resin or a polyvinyl acetal resin; the vehicle solvent contains an organic solvent A and a bornyl-based compound B; the organic solvent A contains at least one substance selected from the group consisting of terpineol, terpineol acetate, dihydroterpineol, and dihydroterpineol acetate; and the bornyl-based compound B contains at least one substance selected from the group consisting of borneol, isoborneol, bornyl acetate, and isobornyl acetate.

The present disclosure relates to the field of antimicrobial compositions. More particularly, it concerns the use of a composition as an antimicrobial agent, the composition comprising ingredients selected from the group consisting of: (i) nona-2,6-dien-1-ol in combination with at least one ingredient selected from the group consisting of 3-neopentylpyridine, 2-methylhexan-3-one oxime, terpineol and 2-isopropyl-5-methylphenol; (ii) gamma-dodecalactone in combination with at least one ingredient selected from the group consisting of 1-Methyl-4-(1-methylethenyl)-cyclohexene, 4-Methoxybenzaldehyde, and 1,3-Benzodioxole-5-carbaldehyde; (iii) (Z)-3,7-Dimethyl-2,6-octadien-1-ol and gamma-dodecalactone; (iv) cis-4(Isopropyl)cyclohexanemethanol and 4-Methoxybenzaldehyde; and (v) 1,3-Benzodioxole-5-carbaldehyde and 4-Methoxybenzaldehyde, wherein the ingredients are present in an amount sufficient to provide an antimicrobial effect. The composition and its use for the preparation of antimicrobially active perfuming compositions and consumer products are also objects of the disclosure.

A citrus-flavored alcoholic-taste beverage comprising an emulsifier and α-terpineol.

The present invention provides a beverage having a new value in terms of flavor, that is, a beverage in which the intensity of an ink-like aroma is reduced and the complexity of the flavor is enhanced, by utilizing p-cymene that increases in the beverage over time, and a method for producing the same.SOLUTION: The citrus-flavored beverage packed in a container has a p-cymene concentration of ≥ 125 μ g / L and an α - terpineol concentration of ≥ 12 times the p-cymene concentration.SELECTED DRAWING: None