123 results about "Fenchol" patented technology

The invention relates to a method for preparing biomass modified phenol formaldehyde foamed plastics, which comprises: adding 5 to 10 mass portions of base catalyst aqueous solution and 30 to 60 mass portions of lignin into 100 mass portions of phenol, wherein the mass percent concentration of the base catalyst aqueous solution is between 2 and 10 percent; reacting for 1 to 2 hours at a reflux temperature of between 90 and 150 DEG C; dripping 72 to 39 mass portions of mixed solution again, wherein the mixed solution consists of formaldehyde and furfural, and the mass ratio of the formaldehyde to the furfural is 60-35:40-65; reacting for 2 to 3 hours at the reflux temperature of between 90 and 150 DEG C; using an acid for neutralization after the reaction is over, and obtaining resol of which the solid content of which is between 78 and 83 percent; and uniformly stirring 100 mass portions of the resol, 5 to 15 mass portions of foaming catalyst, 1 to 5 mass portions of surfactant and 6 to 15 mass portions of foaming agent for foaming at a temperature of between 5 and 160 DEG C, and obtaining a low-pollution heat-insulating building material the performance index of which reaches the petrochemical product level.

The present invention relates to double-component carried catalyst PdCl2-Cu(OAc)2 / zeolite for synthesizing diphenyl carbonate and its preparation. The catalyst consists of zeolite in 50-100 weight portions, PdCl2 in 0.1-10 weight portions and Cu(OAc)2 in 0.1-30 weight protions. It is prepared through equi-volume soaking and roasting at 250-750 deg.c. The catalyst system has also metal acetate as inorganic oxidation-reduction assistant, hydroquinone as organic oxidation-reduction assistant, and tetrabutyl ammonium bride as surfactant. The catalyst has very high catalytic activity and excellent selectivity to liquid phenol in synthesizing diphenyl carbonate. The catalyst is easy to separate from product, easy to recover and regenerate and has simple preparation process.

The invention relates to a process and composition-of-matter for the preparation of dimeric and polymeric alkylphenol polysulfides based on paracumyl phenol for use in vulcanizable rubbers in which the additive is a dimeric or polymeric alkylphenol polysulfide non-nitrosamine-releasing additive based on paracumyl phenol.

The invention discloses a carbon build-up cleaning agent and its use in the regeneration process of devitalized catalyst, the carbon build-up cleaning agent comprises the following components: ethanolamine 5-95 v%, ethyl ether 5-95 v%, butanol 0-90 v%, phenol 0-90 v%. The carbon build-up cleaning agent can be used for catalysts with appreciable heat release during regeneration, especially for devitalized hydrogenation catalyst and methane aromatization catalyst requiring oxidation burning-out for carbon build-up cleaning.

The invention relates to a catalyst of preparing benzenediol in a phenol hydroxylation and a preparation technology thereof. The catalyst contains Fe2O3, ferro compound and zero valent ferri. The catalyst can transform phenol into the pyrocatechol and the hydroquinone in water containing oxyful in 0.5h (comprising about 25min of induction period) under the condition that the proportion of H2O2 to phenol is 1:1 and the temperature is 60 DEG C with the result that the transformation ratio of the phenol can reach 28 percent, the yield of the benzenediol reaches 25.5 percent, and the proportion of the pyrocatechol to the hydroquinone is about 1.3. When the proportion of H2O2 to phenol is 1.5:1, the transformation ratio of the phenol can reach 44 percent, and the yield of the benzenediol reaches 38.8 percent. The catalyst has low cost, simple preparation and stable performance. The catalyst is remarkably characterized by achieving the transformation ratio of the phenol from 0 to 28 percent within less than 2min of reaction, having higher activity and effectively reducing the side reaction.

The invention relates to a preparation method for tall oil-modified phenolic resin. The resin comprises the following components according to parts by weight: 90 to 100 shares of phenol, 6 to 9 shares of tert butylphenol, 55 to 65 shares of formaldehyde with 37 percent content, 0.4 to 0.5 shares of oxalic acid, 30 to 40 shares of tall oil, 8 to 10 shares of colophony, and 0.1 to 0.2 shares of hexa (4-aldehyde phenoxy) cyclic triphosphonitrile The invention adopts the brand-new production method of the technology of tall oil-modified phenolic resin, with simple process. The production cost is not increased, compared with the prior product, the product performance is greatly improved (reaching about 20 percent), and the product performance achieves or exceeds the performance of similar foreign products.

A broad-spectrum attractant for the adults of scarab contains proportionally cis-3-hexenol, the aromatic compound chosen from dibutyl phthalate, cinnamic aldehyde, phenylmethanol, phenylethanol, phenyl formaldehyde, phenol and vanillin, and assistant.

The present invention relates to a composition with fungicidal and bactericidal activity, which comprises volatile organic compounds (VOCs) obtained from plants and microorganisms, in which said VOCs are C4-C12 fatty alcohols or cyclic alcohols or phenol-derived compounds, or terpene-derived compounds, and also derivatives and mixtures thereof. Furthermore, the present invention likewise relates to the use of said compositions in the protection of agricultural crops, in post-harvest treatments, in food preservation and in the disinfection of facilities and equipment.

The invention discloses an oil-tea camellia husk polysaccharide which has the following characteristics: a. physicochemical properties: the polysaccharide is brown powder with small odor and is easily-soluble in water and not soluble in organic solvents such as chloroform and ether, the polysaccharide is orange if reacting with phenol-sulfuric acid, shows a negative reaction with Fehling reagent and shows a negative reaction with iodine-potassium iodide; b. composition of the polysaccharide: the content of the polysaccharide is 30 percent to 50 percent; the distribution range of molecular weight is 7,000 to 200,000,0Da; the polysaccharide is prepared by the following six kinds of monosaccharide: glucose, fucose, arabinose, galactose, seminose and rhamnose. The oil-tea camellia husk polysaccharide is used as free radical scavenger or used for preparing medicaments with anti-tumor function for curing tumors.

The invention relates to a method for preparing a modified phenol-formaldehyde resin. The method for preparing the degradable persimmon tannin modified phenol-formaldehyde resin with low free monomer content is characterized by comprising the following steps: firstly, raw materials are selected, namely phenol, a formaldehyde solution, a persimmon tannin solution and a catalyst are selected for standby according to the fact that the dosage of the persimmon tannin solution is 16.7 to 50 weight percent of the phenol, the mol ratio of formaldehyde to the phenol is between 0.6 and 1.5, and the dosage of the catalyst is 2 to 5 weight percent of the phenol; secondly, the phenol and the persimmon tannin solution are added into a reaction container in turn, uniformly stirred and then added with the catalyst, and the temperature is raised to between 80 and 100 DEG C; thirdly, the formaldehyde solution is dripped and the dripping process is finished within 30 and 60 minutes; and fourthly, after the dripping process is over, the mixture is heated to between 95 and 100 DEG C, undergoes reaction for 1 to 2 hours, and then undergoes decompression dehydration, and the degradable persimmon tannin modified phenol-formaldehyde resin with the low free monomer content is prepared through dehydration termination when the viscosity reaches between 100 and 600 cPa.s and temperature reduces to between 20 and 40 DEG C. The persimmon tannin modified phenol-formaldehyde resin has the characteristics of low free monomer content and degradability.

The invention relates to a method for catalytically synthesizing paraethyl phenol, which is characterized by taking diethyl carbonate and phenol as the raw materials and taking the modified microporous molecular sieve MCM-22, ZSM-5 or HY as a catalyst to carry out catalytic reaction under the following conditions: the reaction temperature is 200-350 DEG C, the mole ratio of diethyl carbonate to phenol is 1:2-2:1 and the mass space velocity is 1-12h<-1>. By the method, good raw material conversion rate and target product selectivity can be obtained. Under the best conditions, the conversion rate of phenol can reach 100% and the selectivity of paraethyl phenol can reach 82.2%. The method in which the modified microporous molecular sieve MCM-22, ZSM-5 or HY is taken as the catalyst and diethyl carbonate is taken as the alkylating agent to react with phenol to catalytically synthesize paraethyl phenol has the advantages of high raw material activity, mild reaction conditions, simple process, convenient product separation, good selectivity of the target product paraethyl phenol, etc.

The invention discloses a catalyst for the preparation of phenol by catalytic rectification and a phenol preparation method thereof, relating to the preparation of a compound. The invention provides a non-porous solid catalyst used to catalyze phenol preparation by catalytic rectification, as well as a phenol preparation method integrated with catalytic reaction and rectification separation by reaction rectification. The catalyst is a resin polysiloxanes metal complex, and the compostion is SiMR, wherein, M indicates metal complex, R indicates organic carbon chain. The process of phenol preparation by catalytic rectification includes: firstly, double helix ring high-efficient filler is filled in the stripping section and the rectification section of the rectifying tower; proper catalyst is filled in the catalytic rectification section and diluted with the same filler at the ratio of 4:1; the main feed CHP inlet is arranged between the rectification section and the reaction section, and the feed CHP is diluted with acetone at the ratio of 1:1; the auxiliary feed acetone inlet is arranged between the stripping section and the reaction section, the feed quantity covers 50-100 percent of the main feed quantity, and the product is collected at the tower top and the tower bottom. The heat of reaction can be applied to rectifying separation.

This invention provides a process for purifying to a high degree of purity aromatic hydrocarbons containing impurities which are difficult to separate by distillation such as sulfur compounds and nitrogen compounds. The process of this invention for purifying aromatic hydrocarbons comprises treating crude aromatic hydrocarbons with a formaldehyde or with a formaldehyde and a phenol in the presence of an acid catalyst to form oligomers, distilling or evaporating the reaction mixture thereby separating the unreacted aromatic hydrocarbons from the oligomers, and crystallizing or washing with an organic solvent the separated aromatic hydrocarbons. In case the target hydrocarbon is naphthalene, it is possible to prepare naphthalene which has a purity of 99.9999 wt % or more, emits little odor, and can be readily flavored by perfumes. Naphthalene of this quality is used to prepare an insecticide of excellent fragrance.

The invention discloses a method for synthesizing high-purity 3,3',5,5'-tetramethyl-4,4'-biphenyl diquinone through Cu-BTC catalysis. According to the method, trimesic acid and copper nitrate hydrateare hydrothermally synthesized into a Cu-BTC catalyst; under the alkaline emulsion reaction condition, hydrogen peroxide is utilized as an oxidizing agent, and 2,6-xylenol is oxidized and coupled intothe high-purity 3,3',5,5'-tetramethyl-4,4'-biphenyl diquinone; product quality yield of the high-purity 3,3',5,5'-tetramethyl-4,4'-biphenyl diquinone is 90 to 95%, and a product purity mass percent of the high-purity 3,3',5,5'-tetramethyl-4,4'-biphenyl diquinone is 98%; reaction temperature is 70 to 85 DEG C, and reaction time is 4 to 8h; the catalyst is easy to separate and recycle; after beingrepeatedly used for four times, quality yield of the 3,3',5,5'-tetramethyl-4,4'-biphenyl diquinone still reaches 87.5%, and purity of the 3,3',5,5'-tetramethyl-4,4'-biphenyl diquinone is 97.8%; alkaliemulsified filtrate and washing liquor can be recycled and deployed to be used repeatedly; a reaction condition is moderate, and a synthesizing technology has the advantages of greenness and environmental friendliness.

The invention relates to a vegetable tannin extract modified phenol formaldehyde foam and a preparation method thereof. The vegetable tannin extract modified phenol formaldehyde foam is prepared from the following raw materials in parts by weight: 100 parts of vegetable tannin extract modified phenol formaldehyde resin, 5-8 parts of surfactant, 3-9 parts of foaming agent and 15-20 parts of curing agent, wherein the vegetable tannin extract modified phenol formaldehyde resin is prepared from the following raw materials in parts by weight: 100 parts of phenol, 30-50 parts of vegetable tannin extract degradation liquid, 61-73 parts of polyformaldehyde, 5-7 parts of urea, 1-3 parts of melamine and 8-12 parts of ethylene glycol; and the vegetable tannin extract degradation liquid is degraded vegetable tannin extract obtained by performing degradation pretreatment on vegetable tannin extract with oxydol under alkaline conditions. According to the invention, on the premise of not influencing the own flame retardancy and heat-insulating property of the phenol formaldehyde foam, the pull strength and bending failure force of the phenol formaldehyde foam are obviously improved, and the free formaldehyde content in the phenol formaldehyde foam is obviously reduced. The phenol formaldehyde foam can be used as a heat isolation, heat insulation and fireproofing material for buildings, and is a product having favorable market prospects.

The invention relates to a method for liquefying bamboo wood, which comprises the following steps: a mixed liquefying agent, polymerization inhibitor and acidic catalyst are mixed uniformly, heated to 100 DEG C by heating a reactor, added with bamboo powders, and heated while being stirred to 120-170 DEG C to perform liquefying reaction of bamboo wood. The mixed liquefying agent comprises phenol and a mixture of polyethylene glycol and glycerol. In the liquefying system, the mass ratio of phenol to the mixture of polyethylene glycol and glycerol to the polymerization inhibitor to the acidic catalyst to the bamboo powders is 5-95:95-5:1-4:1-6:20-50. The method for liquefying the bamboo wood has the beneficial effects that the method can be used for liquefying the bamboo wood; the liquefying ratio of the bamboo wood is relatively high; the liquefied product can be widely used, for example for substituting phenol to prepare biobased phenolic resin, for substituting partial polyether or polyester polyol to prepare polyurethane foam, and for preparing a plurality of novel polymer materials such as fiber and carbon fiber, so that the utilization ratio of the bamboo wood is up to 100%.

The invention discloses a catalyst for removing chlorophenol compounds through catalytic hydrogenation. The catalyst is mainly composed of a phosphoric acid modified aluminum oxide carrier and a metal palladium loaded by the phosphoric acid modified aluminum oxide carrier. Nitrogen used as a reducing agent is introduced into a reactor, and the chlorophenol compounds are finally transformed into cyclohexanone and phenol without secondary pollution under the conditions of low temperature or room temperature and normal pressure or low pressure. The catalyst disclosed by the invention is high in catalytic activity, mild in reaction conditions, and convenient to operate, and is especially suitable for removing chlorophenol compounds in water thruogh catalytic hydrogenation.

The invention relates to an antioxidant for a thermoplastic butylbenzene segmented copolymer. The antioxidant comprises the following components in parts by weight: 1.0 part of 4-hydroxy-3,5-di-tert-butyl propanoic acid C7-C9 mixed alcohol ester, 1.8-2.2 parts of 2-methyl-4,6-di(methyl octyl sulfide) phenol and 0.8-1.2 parts of reaction products of N-aminobiphenyl and 2,4,4-trimethylpentene. The compound antioxidant system disclosed by the invention is added in a production process of SBS (Styrene Butadiene Styrene), and the addition amount of the compound antioxidant system accounts for 0.2%-0.6% of the weight of SBS crude rubber. The antioxidant disclosed by the invention is a liquid product, has 100% oxidation resisting function, can be dissolved into a cyclohexane solvent at high concentration, can not be precipitated at usage temperature, can not block a conveying pipeline, and achieves the convenience for use.

The present invention is asafetida extract and its pharmaceutical use, and aims at eliminating offensive odor of asafetida and providing one new use. The asafetida extract contains alpha-terpinene, 2-borneol, terpine tetraol, D-fenchol, pinocarveol, etc. and is extracted via conventional process. The asafetida extract is used in preparing drug addiction stopping medicine, and the medicine may be injection, capsule, tablet or granule.

The invention discloses herba epimedii antibacterial essential oil which is prepared from the following components in percentage by weight: 0.1-0.2% of compounded essential oil, 0.1-0.5% of eucalyptusglobulus oil, 0.5-2% of ginger root oil, 0.3-1.0% of rosemary leaf oil, 0.1-0.5% of cinnamon oil, 0.5-1.5% of basil oil, 0.5-1% of crocus sativus, 1.4-2.5% of pelargonium roseum ait oil, 1-3% of camellia-seed oil, 0.5-1.0% of clove oil, 0.1-0.3% of borneol, 50% of sweet almond oil, 0.1-0.3% of p-chloro-dimethylphenol, 0.01-0.2% of butylated hydroxytoluene and the balance of olive oil, wherein thecompounded essential oil is prepared by the following steps: respectively weighing truffle, centella asiatica, herba epimedii and honeysuckle according to a weight ratio of 1:3:3:3, crushing into granules of which the diameter is 3-8mm, adding 10 times of water, and soaking for 30-60 minutes at a normal temperature. The invention relates to the technical field of medicine preparations. The herbaepimedii antibacterial essential oil has inhibition functions on various fungi, mold, tritirachium album, staphylococcus aureus, escherichia coli, various viruses and common pathogenic bacteria.

The invention discloses a method for producing anisole from phenol and methanol. According to the method, a fixed bed reactor is adopted, a molecular sieve modified by sodium nitrate, potassium nitrate, cesium nitrate or magnesium nitrate is loaded with silver nitrate, palladium chloride, lanthanum nitrate, cerium nitrate and and other active components to serve as a catalyst, the efficient synthesis of the anisole is realized, the phenol conversion rate is high, and the selectivity of the anisole is high, the preparation process of the catalyst is simple, the cost is low, the stability is high, the service life is long, and the application requirements of the industrial catalyst are met.

The invention discloses a method for recovering 1,8-eucalyptol from eucalyptus oil by products; the eucalyptus oil by products are subject to two-step rectification, wherein in the first step, phenol is added into the eucalyptus oil by products, and then reduced-pressure rectification is performed to obtain kettle bottom liquid; in the second step, water is added into the kettle bottom liquid, then normal pressure rectification is performed to obtain an azeotrope of 1,8-eucalyptol and water; a water layer of the azeotrope is removed by layering; the azeotrope is dried to obtain the 1,8-eucalyptol product. The method of the invention provides a 1,8-eucalyptol recovery rate of more than 70% and a purity of more than 98%, and has the advantages of simple operation, short rectification time, high recovery rate, green and environmental protection, and suitability for industrial application.

The invention relates to a 2-cyclohexyl-5-(1,1-dimethyl octyl) phenol and a synthesizing method thereof. 2-benzyloxy-1-bromine-4-(1,1-dimethyl octyl) benzene carries out addition reaction to obtain 2-benzyloxy-1-(cyclohexyl or 3'-alkoxy cyclohexyl)-4-(1,1-dimethyl octyl) benzene, and the 2-benzyloxy-1-(cyclohexyl or 3'-alkoxy cyclohexyl)-4-(1,1-dimethyl octyl) benzene is hydrogenated to carry outbenzyl removing reaction to obtain the 2-cyclohexyl-5-(1,1-dimethyl octyl) phenol. The invention has short synthesizing route, simple method and higher yield and is easy for industrialized production. The 2-cyclohexyl-5-(1,1-dimethyl octyl) phenol has liquid crystal performance and excellent antibiosis inflammation eliminating effect, can be used as one of liquid crystal composition components ofa liquid crystal display, has the inhibiting effect on porphyromonas gingialis, streptococcus, spider-shaped selenomonas, and the like and can be used for preparing a mouth cleaning agent and a medicament for preparing oral cavity diseases.

This invention involves a naphthol modified phenolic resin and its preparation. The ratio of the components : Phenol 100, solid paraform 40 - 45, polyphenylene oxide ether10- 15, modifier X 10-15, fiberglass 55 - 60, polysulfone 10 - 20, while sodium pentachlorophenate 2 -5, solvents 94 -100. Through the stir conditions adding modifier X into phenol, adding certain proportion of the solid paraform and polysulfone. In reactor adding solvents, resin diluted, and joined the sodium pentachlorophenate; fiberglass couple treated then uniform impregnation, after drying, postbaking, processing pelletizing and molding.

The invention provides a separation method of m-ethylphenol and paraethyl phenol, and particularly relates to a method using the steps that composite ion liquid is used as a catalyst and a solvent; under a certain condition, m-ethylphenol and paraethyl phenol are subjected to tert-butylation and rectification so that the two isomers are separated; then, tertiary butyl removal is performed to obtain m-ethylphenol products and paraethyl phenol products.

Bio-derived bisphenol A is made by combining bio-derived phenol and / or bio-derived acetone in the presence of a catalyst, The phenol or the acetone or both contain at least 0.5%, for example at least 1 weight % of bio-derived impurities. In the case of bio-derived phenol, these impurities may include one or more of 2-methylbenzofuran, 2-methoxyphenol, 2-methylphenol, 4-methylphenol (para-cresol) or 2-methoxy-4-methylphenol. In the case of acetone, the impurity may be ethanol, mesityl acetone and / or diacetone alcohol. This bio-derived BPA can be used in the production of polycarbonates with less fossil fuel-based carbon content.

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.

A process for preparing polyphenylether / styrene polymer alloy by polymerizing in reactor includes such steps as oxidizing-polymerizing reaction between phenol compound and oxidant in water under existence of styrene, catalyst, surfactant and alkaline compound, adding trigger or thermal triggering, free radical polymerizing reaction of styrene, centrifugal filter or shearing coagulation, centrifugal filter and drying. It features no environmental pollution.