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100 results about "Organofluorine compounds" patented technology

Organofluorine chemistry describes the chemistry of the organofluorines, organic compounds that contain the carbon–fluorine bond. Organofluorine compounds find diverse applications ranging from oil and water repellents to pharmaceuticals, refrigerants, and reagents in catalysis.

Alkaline zinc-manganese dioxide cell and preparation method thereof

The invention belongs to the field of electrochemistry and relates to an alkaline zinc-manganese dioxide cell and a preparation method thereof. In the alkaline zinc-manganese dioxide cell, cathode and anode materials of the cell are modified by an organofluorine compound, polytetrafluoroethylene wax particles are doped in the anode to serve as an adhesive of electrolytic manganese and graphite powder, so that the stability of a cathode ring of the cell is greatly enhanced through high chemical stability of the node. Sodium p-perfluorous nonenoxybenzenesulfonate-containing electrolyte solution is dispersed in cathode zinc powder to form a protective film, electrochemical corrosion reaction of the zinc powder can be suppressed, and the zinc powder corrosion is avoided under the condition that the cell does not discharge. Therefore, the self discharge and gas evolution volume of the cell are effectively reduced. The alkaline zinc-manganese dioxide cell has the characteristics of stable heavy-current discharge, long storage period, and low gas evolution volume, and solves the problems that the conventional alkaline zinc-manganese dioxide cell has poor high-rate discharge performance, severe self discharge phenomenon of a zinc-nickel cell, short storage period, and the like.
Owner:ZHENGJIANG MUSTANG BATTERY CO LTD

Diffluent side-chain fluorine-containing copolymerization ether glycol prepared by copolymerizing perfluoroalkyl glycidyl ether and polybasic cyclic ether

The invention discloses a diffluent side-chain fluorine-containing copolymerization ether glycol prepared by copolymerizing perfluoroalkyl glycidyl ether and polybasic cyclic ether. The perfluoroalkyl glycidyl ether, substitution propylene epoxide and oxetane or butylene oxide react in a copolymerized manner to prepare into the diffluent side-chain fluorine-containing copolymerization ether glycol. According to the diffluent side-chain fluorine-containing copolymerization ether glycol, the side-chain fluorine-containing copolymerization ether glycol with different fluorine contents can be synthesized by changing the proportion of raw materials, fluorine raw materials are sufficiently utilized, substituted oxirane of different substituent groups can be selected according to subsequent reacting purposes of the side-chain fluorine-containing copolymerization ether glycol, the diffluent side-chain fluorine-containing copolymerization ether glycol solves the problem that split phases are inconveniently processed in the processing process of organic fluorine compounds, the side-chain fluorine-containing copolymerization ether glycol is easily dissolved into industrial, universal, cheap and nontoxic or low-toxic solvents, processing cost can be largely reduced, processing environmental pollution is reduced, the side-chain fluorine-containing copolymerization ether glycol is subsequently and conveniently used, and the used space of the copolymerization ether glycol is substantially expanded.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Diffluent side-chain fluorine-containing polyether diol prepared from perfluorinated ethylene oxide and multicomponent cyclic ether through copolymerization

The invention discloses diffluent side-chain fluorine-containing polyether diol prepared from perfluorinated ethylene oxide and multicomponent cyclic ether through copolymerization. The diffluent side-chain fluorine-containing polyether diol is prepared from perfluoroalkyl substituted ethylene oxide, substituted epoxy propane and oxetane or tetrahydrofuran through copolymerization reaction. The side-chain fluorine-containing copolyether diol with different fluorine contents can be synthesized through changing the raw material proportion; the fluorine raw materials are sufficiently utilized; meanwhile, substituted epoxy propane with different substituent groups can be selected according to the subsequent reaction purposes of the side-chain fluorine-containing polyether diol; the defects of serious phase splitting and processing inconvenience in the organic fluorine compound processing process are overcome; then, the side-chain fluorine-containing polyether diol can be easily dissolved into low-price non-toxicity and low-toxicity solvents in general use in industry; the processing cost can be reduced to a great degree; the processing environment pollution is reduced. Generally, the side-chain fluorine-containing polyether diol provided by the invention is very convenient in various kinds of subsequent use; the use space of the polyether diol is expanded to a great degree.
Owner:孔庆刚
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