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 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.

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 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.

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 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 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 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.

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.