13 results about "Triallylamine" patented technology

The application relates to the technical field of printing and dyeing fixing agents, and particularly discloses a formaldehyde-free fixing agent and a preparation method thereof. The formaldehyde-free fixing agent is prepared from raw materials in the following proportions by weight: dimethyl diallyl ammonium chloride 81-162 parts; acrylamide 9-18 parts; ammonium persulfate 5-7 parts; epichlorohydrin 55-105 parts; tetraethylenepentamine 9-18 parts; triethylamine 4.5-9 parts; dimethylamine 9-18 parts; water 90-120 parts; triallylamine 0.5-1 part; the dimethyl diallyl ammonium chloride, the acrylamide, the ammonium persulfate and the epichlorohydrin are used for preparing product A; the tetraethylenepentamine, the triethylamine, the dimethylamine and the epichlorohydrin are used for preparing product B; the product A, the product B, the water and the triallylamine are mixed to obtain the formaldehyde-free fixing agent. The formaldehyde-free fixing agent of the application can balance the permeability and the reaction film-forming property after application, and has excellent fixing performance.

The present invention discloses a fiber-type microbial platinum adsorbent and a preparation method thereof, and relates to the technical field of metal adsorbents. The fiber-type microbial platinum adsorbent of the present invention is prepared by firstly combining a glycidyl methacrylate-acrylonitrile multi-polymer and composite porous microspheres, followed by wet spinning to obtain a fiber blank, and then successively immersing the fiber blank in a polyethyleneimine solution, a hydroxylamine hydrochloride solution, and an Escherichia coli solution; the glycidyl methacrylate-acrylonitrile multi-polymer is obtained by copolymerizing acrylonitrile, glycidyl methacrylate, and triallylamine; the composite porous microspheres are obtained by compounding nano-hydroxy calcium phosphate, collagen, and bacterial cellulose; the polyethyleneimine solution is obtained by dissolving polyethyleneimine in dioxane; the fiber-type microbial platinum adsorbent prepared by the present invention has good platinum adsorption effect, good mechanical properties, and a long service life.

This invention discloses a type of concrete for wind turbine towers in frigid regions and its preparation method, relating to the field of concrete technology. This invention discloses a type of concrete for wind turbine towers in frigid regions, comprising the following components by weight: 424-428 parts cement, 106-110 parts mineral powder, 32-36 parts silica fume, 652-656 parts fine aggregate, 1065-1069 parts coarse aggregate, 9-9.2 parts water-reducing agent, 0.11-0.13 parts air-entraining agent, 62-66 parts ultrafine fly ash, 149-153 parts water, and 1-2 parts composite polyacrylonitrile fiber; the composite polyacrylonitrile fiber is obtained by mixing triallylamine, dodecyl acrylate, polyacrylonitrile, and magnesium aluminum silicate; the air-entraining agent is a maleic rosin-based twin air-entraining agent; the mineral powder is P8000 type ultrafine mineral powder produced by Jinan Luxin New Building Materials Co., Ltd.; the silica fume has a content >90% and a specific surface area >15m³. 2 / g silica fume; the concrete prepared by this invention for wind turbine towers in frigid regions has good compressive strength and frost resistance.

The invention relates to antistatic polyurethane foam and a preparation method thereof, and belongs to the technical field of high polymer materials. The antistatic polyurethane foam is prepared by taking polyether polyol and isocyanate as main materials, adding copper nanowires, an antistatic aid and a foaming aid, mixing and foaming, the copper nanowires are taken as an electrostatic conduction network framework, the antistatic aid is prepared into an intermediate a through a click addition reaction of triallylamine and methyl thioglycolate, and the intermediate a is taken as a foaming aid through a reaction of triallylamine and methyl thioglycolate. The preparation method comprises the following steps: preparing an intermediate a from copper nanowires, carrying out amine-ester exchange on a methyl ester structure introduced by n-alkylamine and the intermediate a to prepare an intermediate b, carrying out quaternization on the intermediate b by 3-chloropropanol, and promoting dispersion of the copper nanowires by an antistatic aid through chelation modification to form an organic-inorganic transition electrostatic conduction network so as to improve the antistatic effect. And meanwhile, a polyurethane macromolecule-antistatic auxiliary agent-copper nanowire cross-linked network is formed, so that the antistatic stability is improved.

The invention discloses a synthesis and purification method of allylamine, and relates to the technical field of organic synthesis. The specific method comprises the following steps: taking CuCl and Nb2O5 as raw materials to react to prepare a CuCl / Nb2O5 catalyst; the preparation method comprises the following steps: by taking 3-chloropropene and ammonia water as raw materials, carrying out ammonolysis reaction under the action of a CuCl / Nb2O5 catalyst and 2, 5-dihydroxy-1, 4-benzoquinone and hydroquinone as polymerization inhibitors, and carrying out deamination coarse distillation, dehydration and rectification treatment after the reaction to obtain the target product allylamine. The synthesis and purification method provided by the invention can improve the selectivity of ammonolysis reaction, inhibit the generation of triallylamine and improve the yield of allylamine. Specifically, the yield of the allylamine prepared by the method disclosed by the invention is 74.9%, and the selectivity of the allylamine is 77.5%.

The present invention relates to a high-wear-resistant lubricating oil composition and a preparation method thereof, and belongs to the technical field of lubricating oils. The lubricating oil composition comprises, by weight, 100 parts of base oil, 1.7-2.3 parts of wear-resistant additives, 1.25-1.4 parts of detergents, 1.8-2.1 parts of dispersants, 0.35-0.45 parts of antioxidants, 0.14-0.18 parts of rust inhibitors, and 3.7-4.2 parts of viscosity index improvers; the wear-resistant additive is prepared by adding triallylamine to 1-thioglycerol to form an intermediate having a multi-branched hydroxyl structure, and then ethylene chlorophosphite reacts with the hydroxyl groups grafted on the intermediate molecules to form a phosphate compound, i.e., a modified matrix; and then, in a liquid phase environment, molybdenum disulfide is in situ deposited on the modified matrix molecules by chelation to form an organic-inorganic aggregate, which has good compatibility with traditional lubricating oil systems and significantly improves the wear resistance of the lubricating oil under heavy-load impact conditions.

The application relates to a polyanion sodium ion battery positive electrode composite material, and belongs to the technical field of sodium ion batteries. The chemical expression of the positive electrode composite material is sintered by compounding and sintering of specific design carbon-doped potassium pyrophosphate iron powder and a sodium pyrophosphate iron phosphate matrix. The carbon-doped potassium pyrophosphate iron is prepared by a vacuum calcination process by using a structure control agent synthesized by p-ethylphenylthiophenol and triallylamine, and the unique space symmetry structure can chelate iron and potassium ions at the molecular level, form a uniform precursor, and produce an ultra-microstructure wrapped by an edge brittle carbide after calcination. The composite material constructs a continuous three-dimensional electron conductive network and a long-range ion channel in the NFPP matrix, forms an ion conductivity transition zone at the phase interface, significantly improves the ion migration efficiency, and effectively solves the technical bottleneck of poor high-rate performance of the NFPP material.

The present invention discloses a claw-shaped UCST responsive polymer, which is a claw-shaped polymer obtained by prepolymerizing an amphoteric betaine monomer or an amphoteric betaine monomer and an N-vinyl pyrrolidone monomer and then crosslinking with a crosslinking agent triallylamine. The amphoteric betaine monomer is a sulfobetaine monomer represented by formula (I) or a phosphobetaine monomer represented by formula (II). In formulas (I) and (II), m=1 or 2; R is (CH2) n , the (CH2) n wherein n=2 or 3. The present invention also discloses a method for preparing a claw-shaped UCST-responsive polymer and a method for recovering cellulase at room temperature. The UCST-responsive polymer of the present invention has increased molecular weight, improved structure, significantly increased hydrophobicity, increased enzyme recovery rate, improved enzymatic hydrolysis efficiency, and reduced enzyme usage.

The invention relates to a polyanion sodium ion battery positive electrode composite material, and belongs to the technical field of sodium ion batteries. The chemical expression of the positive electrode composite material is as follows: the positive electrode composite material is formed by compounding and sintering specifically designed carbon-doped potassium ferric pyrophosphate superfine powder and a ferric sodium pyrophosphate matrix. Wherein the carbon-doped potassium ferric pyrophosphate is prepared by adopting a structure control agent synthesized by p-ethyl thiophenol and triallylamine through a vacuum calcination process, the unique space symmetric structure of the carbon-doped potassium ferric pyrophosphate can be chelated with iron and potassium ions on a molecular level to form a uniform precursor, and an ultrastructure wrapped by edge brittle carbides is generated after calcination. According to the composite material, a continuous three-dimensional electronic conductive network and a long-range ion channel are constructed in an NFPP matrix, and an ion conductivity transition region is formed on a phase interface, so that the ion migration efficiency is remarkably improved, and the technical bottleneck of poor high-rate performance of the NFPP material is effectively solved.

The present invention provides a plugging material, a preparation method thereof, and an application thereof. The raw materials for preparing the plugging material include a combination of alkenylamide, alkenylsulfonic acid, modified sepiolite, and a cross-linking agent; the cross-linking agent includes a combination of triallylamine and divinylbenzene; and the molecular structure of the modified sepiolite contains a carbon-carbon double bond. The present invention introduces modified sepiolite into the network skeleton of the plugging material to form a modified sepiolite-doped plugging material, which can not only improve the temperature resistance of the plugging material, but also play a supporting role through the sepiolite, effectively improving the pressure bearing capacity of the plugging layer; in addition, the present invention uses triallylamine and divinylbenzene together as cross-linking agents, and through mutual cooperation with other raw materials for preparation, the plugging material has excellent temperature and salt resistance, and can effectively plug microcracks and pores as an additive in drilling fluid.

The application discloses a slow-release bactericidal foam drainage agent and a preparation method thereof, and belongs to the technical field of foam drainage agent preparation. The slow-release bactericidal foam drainage agent is composed of the following components in parts by weight: 30-50 parts of distilled water, 6-12 parts of a surfactant, 4-10 parts of a slow-release bactericide, 3-11 parts of a protective agent, 1-4 parts of a stabilizer and 0.4-2 parts of a pH regulator. The slow-release bactericide is prepared from 3-chloropropionic acid, dipentaerythritol, triallylamine, cetyltrimethylammonium bromide, tetraethyl orthosilicate and gamma-aminoethylaminopropyltrimethoxysilane; and the protective agent is prepared from p-cycloaromatic hydrocarbon, 1,1-dichlorodimethyl ether, p-toluenesulfonamide, diethylamine and p-toluenesulfisothiocyanate. The foam drainage agent prepared by the method has excellent bactericidal effect and can well protect the pipeline from corrosion.

The invention relates to an antioxidant lubricating oil composition and a preparation method thereof, and belongs to the technical field of lubricating oil. The composition is prepared from the following components in percentage by weight: 3.8 to 4.4 percent of an extreme pressure anti-wear agent, 2.5 to 3.0 percent of a clearing agent, 2.2 to 2.8 percent of an oily additive, 0.75 to 0.92 percent of a modified antioxidant, 1.7 to 2.1 percent of an ashless dispersant, 0.4 to 0.5 percent of an anti-rust agent, 3.5 to 4.2 percent of a viscosity index improver and the balance of polyol ester base oil, the modified antioxidant is a compound with a three-branch naphthylamine structure and a central quaternary ammonium structure formed by click addition of triallylamine and 4-chlorobenzyl mercaptan, quaternization of iodoethane and substitution of 2-naphthylamine, the modified antioxidant has good antioxidant capacity at high temperature, and meanwhile, the oil sludge amount of the lubricating oil at high temperature is effectively reduced.

The application relates to the technical field of iron-making pellet, and discloses a red ore composite soil for pellets, which is prepared from triallylamine and 3-chloropropene as raw materials, through a quaternary amination reaction to obtain a tetraallyl quaternary ammonium salt, through catalytic oxidation of sodium periodate and ruthenium trichloride to obtain a tetracarboxy quaternary ammonium salt, through an amidation reaction of the tetracarboxy quaternary ammonium salt and aminotri-sodium phosphate under catalysis of EDC and NHS to obtain a tetra(tri-sodium phosphate) quaternary ammonium salt, and finally adding bentonite into the red soil nickel ore and mixing to prepare the red ore composite soil. The prepared red ore composite soil is applied to the pellets, can improve the pelletizing performance of the pellets, improves the green ball falling strength and green ball compressive strength, and has good pellet grade.