464 results about "Tert butyl phenol" patented technology

The invention provides a preparation method of a polymer flooding produced fluid demulsifier, which mainly comprises the following steps: condensing p-tert-butyl phenol, polyethylene polyamine and formaldehyde to obtain a thermoplastic phenol amine resin of which the molecular weights are within a certain range; sequentially and proportionally carrying out ring-opening polymerization on the resin, epoxyethane and propylene oxide; mixing the synthesized products with different molecular weights in a certain mass ratio, and regulating the pH value with acetic acid; and finally, cross-linking with dicarboxylic acid to obtain the final product. The invention aims to solve the problems of severe oil/water emulsification, greater difficulty in oil-water separation, high oil content in dehydrated water and the like in the polymer flooding produced fluid, and the problem that the dehydration effect of the conventional demulsifier on the produced fluid is not ideal.

The invention discloses a regenerative energy saving material by using waste raw material, setting the mass percent at 42-52% regenerating particle mixed with waste polyvinyl chloride, waste polyethylene and waste propane polymer, 42-52% waste tailings ore, 0.5-0.8% silane cross linker, 0.2-0.5% antioxidant phosphorous acid bisphenol A or 2, 4, 6-tri- tertiary butyl phenol, 2-3% epoxide modified phenol resin or oil resin, 0.5-1% cadmium zinc heating stabilizer and 1-2% waste machine oil, the surplus is industrial alcohol. This material can be used to produce inspection cub, well cover, sewer well grate, curb, dustbin, railway sleeper or environmental material.

The invention discloses a preparation method of a styrenated hindered phenol or styrenated phenol antioxidant product, belonging to the field of preparation process methods of polymer antioxidant products. The preparation method is characterized in that: o-tert-butyl phenol or phenol, p-cresol, o-cresol and m-cresol are used as raw materials, styrene is used as an alkylation reagent, an organic acid compound is used as a catalyst, a small amount of polymerization inhibitor is added, and the styrenated hindered phenol product or styrenated phenol product is prepared through catalytic alkylation reaction; a neutralizing and decolorizing agent is added to the styrenated product to deactivate the acidic catalyst and remove the coloring source material, thus obtaining a white-like or light yellow viscous liquid namely the styrenated phenol antioxidant product which has clear and transparent appearance, pH value of 6.5-7.5, storage stability and high use efficiency; and the styrenated phenol antioxidant product is free of water-soluble pollutants such as free phenol or methyl phenol, thereby solving the problem of environmental pollution caused by the use of the product in styrene butadiene rubber latex.

The invention discloses a method for preparing antioxidant 1,3,5-trimethyl-2,4,6-tri(3,5-di-tert-butyl-4-hydroxybenzyl)benzene by using solid superacid as catalyst, wherein 1,3,5-trihalo methyl-2,4,6-trimethyl benzene and 2,6-do-tert-butylphenol, as raw materials, are subject to alkylation in inert solvent under the action of solid superacid-type catalyst SO42-/MXOY, so as to prepare target products. The method simplifies operating process, achieves mild reaction conditions, has the characteristics of easy separation of products, good reusability of the catalyst, small environmental pollutionand the like, and is suitable for industrial production.

The invention discloses an environment-friendly high-elasticity rubber material which is prepared from the following raw materials in parts by weight: 30-40 parts of powder nitrile-butadiene rubber, 10-18 parts of polyvinyl chloride thermoplastic elastomer, 10-20 parts of ABS (acrylonitrile-butadiene-styrene) resin, 3-5 parts of p-tert-butyl phenol-formaldehyde resin, 1.5-2 parts of sulfur, 1.2-1.8 parts of accelerator TMTD (tetramethyl thiuram disulfide), 2-4 parts of magnesium oxide, 1-3 parts of zinc oxide, 5-8 parts of epoxy soybean oil, 0.5-1 part of paraffin, 1-3 parts of zinc-barium stabilizer, 2-3 parts of organophosphate, 20-30 parts of modified kaolin, 15-20 parts of silica white, 1.5-3 parts of carbon master batch and 0.5-1.5 parts of novel rubber reinforcing agent XRE. The rubber material has the advantages of excellent elasticity, wear resistance, favorable tear resistance and low cost, and reduces the hazard to the environment.

The invention relates to a bisphenol monomer containing a bi-tert-butyl and fluorenyl structure. The bisphenol monomer is 9, 9-bi(4-hydroxyl-3-tert-butyl phenyl) fluorine. The monomer is simple in a synthetic route, high in yield, easy to purify, stable at the room temperature and can be used for preparing fluorine-contained polyarylether. The bisphenol monomer containing the bi-tert-butyl and fluorenyl structure is prepared by the following steps of: reacting reactants 2-tert butyl phenol and 9-fluorenone in the presence of an acid catalyst, transferring a product into a mixed solvent of ethanol and water, carrying out suction filtering, and further recrystallizing to obtain the target product. The bisphenol monomer containing the bi-tert-butyl and fluorenyl structure is used for preparing the fluorine-contained polyarylether. The prepared polyarylether has good dissolving film forming property, excellent thermal property and low dielectric constant.

The present invention relates to a composition, which is useful for producing coatings for metal sheet substrates of metal cans for storing and/or transporting food or beverages or a lid thereof, and which comprises the following components:

• (a) 30 to 90 wt. % of a polyvinylchloride-(PVC)-polymer,
• (b) 7 to 25 wt. % of an acrylic resin,
• (c) 3 to 40 wt. % of a crosslinking agent, which is produced from phenol, para-tert.-butylphenol, xylenol or a mixture thereof, and formaldehyde,
• (d) 0 to 8 wt. % additive,
• (e) 0 to 50 wt. % pigment and
• (f) a solvent-component,

where all weight percentages are on the basis of the total dry weight of the coating composition (without solvents) and the composition is substantially free of bisphenol-A-diglycidyl-ether (“BADGE”) and also substantially free of bisphenol-A-resins. The composition provides metal can coatings that have suitable flexibility, scratch resistance, adherence and sterilization resistance when processed in contact with food. The coatings are suitable for three-piece cans as well as deep-drawn metal cans. In particular they are, however, useful for lids that are to be torn open due to their extraordinary flexibility and sterilization resistance.

The present invention relates to the preparation process of 2,2'-mehtylene bis(4-methyl-6-tert-butyl phenol). The present invention adopts macroporous strong acid cationic exchange resin, zeolite with SiO2/Al2O3 molar ratio of 15-100, or heteropolyacid or other solid acid as catalyst; and formal and 2-tert-butyl-4-cresol as material, with the catalyst amount being 10-80 wt% of 2-tert-butyl-4-cresol. The reaction is performed at the temperature of 40-100 deg.c for 1-5 hr, and the reaction resultant is filtered, distilled and refined to obtain the product. The process of the present invention has the features of simple post-reaction treatment, high product yield, high product quality, no corrosion to the apparatus and high catalyst stability.

The invention provides a rubber anti-aging agent, a preparation method thereof, and rubber. The rubber anti-aging agent comprises tris(2,4-di-tert-butylphenyl)phosphite, dilauryl dithiodipropionate, and 4,4'-thiobis-(3-methyl-6-tert-butyl phenol) and/or 2,2'-methylenebis-(4-methyl-6-tert-butyl-phenol). The rubber anti-aging agent preparation method comprises the step that the tris(2,4-di-tert-butylphenyl)phosphite, dilauryl dithiodipropionate, and 4,4'-thiobis-(3-methyl-6-tert-butyl phenol) and/or 2,2'-methylenebis-(4-methyl-6-tert-butyl-phenol) are well mixed. With the rubber anti-aging agent provided by the invention, prepared rubber has excellent aging resistance and high strength.

The invention discloses a preparation method of a high-temperature anti-oxidant for lubricating oil. 2,6-di-tert-butyl phenol and substituted diphenylamine are taken as raw materials, and n-decane is taken as a high-boiling-point solvent. The materials above are reacted at 120-170 DEG C for 2-4 h under the action of a catalyst and in the presence of a noble gas to obtain a product, and the product is treated to obtain the target product. Anti-oxidants, of 2,6-di-tert-butyl phenol and substituted diphenylamine, with excellent antioxidant performance are used in the invention. The use temperature of the anti-oxidant is increased, and the working time of lubricating oil is greatly prolonged. The high-temperature anti-oxidant for lubricating oil has advantages of high temperature resistance, good anti-oxidant performance, and good solubility in lubricating oil. It is proved through a high-temperature antioxidant experiment that the high-temperature anti-oxidant has excellent properties and a bright application prospect.

The invention discloses a room temperature/low temperature vulcanized chloroprene rubber sizing material, which relates to rubber. The rubber sizing material is obtained by mixing and processing the following components in parts by mass: 100-30 parts of chloroprene rubber, 0-70 parts of natural rubber, 0-1 part of sulfur S, 4-7 parts of T-ZnO crystal whiskers, 1-6 parts of magnesium oxide, 0-3 parts of TM808, 0.5-1.5 parts of accelerating agent TMTD (Tetramethylthiuram Disulfide), 20-50 parts of tert-butyl phenol formaldehyde resin, 1-6 parts of stearic acid and the balance of compound anti-ageing system consisting of 4010Na and D, carbon black and a paraffin aid, wherein the sulfur S, the T-ZnO crystal whiskers and the magnesium oxide jointly serve as a dual vulcanizing agent, and the TM808 and the accelerating agent TMTD jointly serve as a compound accelerating agent. The chloroprene rubber sizing material obtained by the invention can be vulcanized at room temperature/low temperature, has high scorching property, high adhesion on a framework material and the advantages of ageing resistance, high physical and mechanical performance, high ozone resistance, high oxidation resistance, combustion resistance and the like, and is particularly suitable for the production of large-sized rubber products or the construction of field vulcanization.

The invention discloses high-speed rail turnout rust-preventative oil which is composed of the following raw materials, by weight, 52-60 parts of machine oil, 4-6 parts of p-tert-butylphenol formaldehyde resin, 1-2 parts of vaseline, 4-6 parts of dinonyl-naphthalenesulfonic acid barium salt, 2-4 parts of neutral dinonyl-naphthalenesulfonic acid barium salt, 3-4 parts of petroleum sodium sulfonate, 1-2 parts of lauric diethanolamide, 0.7-1 part of aluminium isopropoxide, 0.2-0.4 part of 2,2'-methylene-bis(4-methyl-6-tert-butyl phenol), and 4-6 parts of an antirust auxiliary agent. The rust-preventative oil has stable film, can completely cover a rust layer and a metal surface, can saturate the rust layer within a short time to form a hard film, has good kinematic viscosity and is especially suitable for outdoor steel rails and turnouts.

The present invention relates to the production process of 2, 2'-methylene-bis(4-methyl-6-tert butyl phenol). The materials including formal and 2-tert-butyl-4-cresol are made to react inside two serially connected fixed bed reactors with solid acid catalyst, which is macroporous strong acid cationic exchange resin or zeolite catalyst, and in the reaction temperature of 30-150 deg.c. The zeolite catalyst contains zeolite in 60-80 wt% and adhesive in 20-40 wt%, and the zeolite is ZSM-5 zeolite and/or flokite with SiO2/Al2O3 molar ratio of 15-100. The present invention realizes continuous production, has simple post-reaction treatment, high product yield, high product quality and high catalyst stability.

The invention relates to a modified geogrid processed by using waste cross-linked polyethylene cable material. The modified geogrid is obtained by processing the following component raw materials in parts by weight: 30-40 parts of a waste cross-linked polyethylene cable material, 30-40 parts of styrene-maleic anhydride copolymer, 5-8 parts of a phosphate coupling agent, 30-40 parts of high-density polyethylene, 0.2-0.3 part of an anti-aging agent 168, 0.2-0.3 part of 2,4,6-tristertbutylphenol, 5-10 parts of a plasticizer DOP (Dioctyl-Phthalate), 1-2 parts of straw ashes, 8-10 parts of carbon black, 1-2 parts of sodium carboxymethyl cellulose, 6-10 parts of palygorskite clay and 15-20 parts of a modified filler. The modified geogrid is processed by using the waste cross-linked polyethylene cable material by virtue of the steps of mixing the materials in the formula, extruding, molding the melt through a three-roller calender to obtain a plate, punching the plate by a punching machine, heating the punched plate and then stretching to obtain the geogrid. The geogrid processed by the preparation method disclosed by the invention is low in cost of raw materials and has the effects that the waste is recycled and resources are saved and meanwhile, the product has the characteristics of high impact strength, large toughness and strong corrosion resistance.

The invention discloses a novel EVA (Ethylene-Vinyl Acetate) glue film for a solar battery; the EVA glue film has excellent characteristics of ultraviolet adsorption and anti-ultraviolet aging; when the EVA glue film is applied to a solar component, a solar backplane is protected from being damaged by ultraviolet lights, and the service life of the backplane material of the component with the EVA glue film is greatly prolonged. The EVA in the EVA glue film mainly comprises the following components: 90-100 parts of ethylene-vinyl acetate, 0.05-5 parts of superoxide crosslinking agent, 5-10 parts of lipid antioxidant, 5-10 parts of hindered amine light stablizer and 0.005-5 parts of thickening agent. The EVA glue film has strong intense light energy to absorb ultraviolet by adding a novel ultraviolet light absorbing agent 2-(2'-hydroxy-3', 5'- di-tert-butyl phenol) and greatly prolongs the service life of packaging material.

The invention discloses a synthesis method of bis (2, 4-dibutylbenzene) pentaerythritol diphosphite, which comprises 1, synthesizing dichloropentaerythritol diphosphite: using xylene as solvent, adding pentaerythritol and catalyst, feeding nitrogen gas, adding phosphorous trichloride and absorbing generated hydrogen chloride gas via sodium hydroxide solution, and purifying reaction product to obtain the dichloropentaerythritol diphosphite, 2, synthesizing bis (2, 4-dibutylbenzene) pentaerythritol diphosphite: adding 2, 4-bis-tert-butylphenol into the reaction product of step 1, feeding nitrogen gas and mixing, absorbing generated hydrogen chloride gas via sodium hydroxide solution, and purifying the reaction product to obtain final product. The invention uses 2, 4-bis-tert-butylphenol, pentaerythritol and phosphorous trichloride as main materials, with low cost, easily processed reaction and high reaction yield.