Abstract: The present invention provides a process for producing a fluoroalkyl iodide represented by the general formula (II): Rf—CH2CH2I??(II) wherein Rf is a perfluoroalkyl or polyfluoroalkyl group comprising 1 to 20 carbons, the process comprising reacting hydrogen iodide gas with a fluoroalkene in the presence of a catalyst. The present invention also provides a process for producing a fluoroester by reacting the fluoroalkyl iodide with a carboxylate.

Abstract: A catalyst for preparing a fluorine-containing alcohol compounds, the catalyst is obtained by supporting an ammine complex containing at least one component selected from the group consisting of the elements in Group 1B, Group 2B, Group 6A, Group 7A and Group 8 of the periodic table on at least one complex oxide selected from the group consisting of Si—Al complex oxide, Al—P complex oxides and Si—Al—P complex oxides.

Abstract: A solid catalyst used in, for example, production of a perfluoroalkyl iodide telomer is effectively and continuously recovered and the recovered catalyst is continuously recycled to the reactor for reuse. A slurry containing a reaction product and the catalyst is drawn from the reaction system, and the catalyst in the drawn slurry is classified by means of a hydrocyclone, whereby a high-concentration slurry whose catalyst concentration is higher than that of the drawn slurry and a low-concentration slurry whose catalyst concentration is lower than that of the drawn slurry are obtained, and the high-concentration slurry is recycled to the reaction system.

Abstract: The present invention relates to a process for continuously producing a perfluoroalkyl iodide represented by the general formula Rf(CF2CF2)nI, wherein Rf is a C1-6 perfluoroalkyl and n is an integer from 1 to 4, the method comprising continuously supplying a perfluoroalkyl iodide as a telogen represented by the general formula RfI, wherein Rf is as defined above, and tetrafluoroethylene as a taxogen to a tubular reactor packed with a metal catalyst comprising a powdery spherical metal or a sintered metal; and conducting telomerization at a temperature of 60 to 160° C. under a pressure of 0.1 to 5 MPa (gauge pressure).

Abstract: The present invention provides a catalyst for preparing a fluorine-containing alcohol compound, the catalyst having at least one component selected from elements in Group 1B, Group 2B, Group 6A, Group 7A and Group 8 of the periodic table, ions of these elements, oxides containing these elements, hydroxides containing these elements and salts containing these elements, said component being supported on at least one complex oxide selected from Si—Al complex oxides, Al—P complex oxides and Si—Al—P complex oxides; and a method for preparing a fluorine-containing alcohol compound, the method comprising reacting a halogenated fluorine compound with water in the presence of the catalyst. According to the present invention, a fluorine-containing alcohol compound can be prepared at a relatively low reaction temperature and in a high yield.

Abstract: A process for preparing a perfluoroalkadiene compound of formula (I) CF2═CF—(CF2)n-4—CF═CF2  (I) (wherein n is an integer from 4 to 20) by the deiodofluorination of a compound of formula (II) I—(CF2)n—I  (II) (wherein n is as defined above), characterised in that said deiodofluorination is conducted in the presence of metallic zinc and a nitrogen-containing organic compound.

Abstract: A process for preparing a fluorine-containing alcohol compound, the process comprising the step of reacting water with a halogenated fluorine compound in the presence of a catalyst for preparing a fluorine-containing alcohol compound, the catalyst obtained by supporting an ammine complex containing at least one component selected from the group consisting of the elements in Group 1B, Group 2B, Group 6A, Group 7A and Group 8 of the periodic table on at least one complex oxide selected from the group consisting of Si—Al complex oxides, Al—P complex oxides and Si—Al—P complex oxides.

Abstract: A process for preparing a perfluoroalkadiene compound of formula (I)

Abstract: A catalyst for producing phenols consists essentially of;an iron oxide;a nickel oxide;at least one first oxide selected from the group consisting of a vanadium oxide and a molybdenum oxide; andat least one second oxide selected from the group consisting of an alkali metal oxide and an alkaline earth metal oxide.The catalyst is used to produce phenols from benzoic acid or an alkyl benzoic acid.

Abstract: A catalyst for producing phenol consisting essentially of a nickel compound supported on a metal oxide carrier, or a catalyst for producing phenol consisting essentially of iron oxide and nickel oxide, and processes for producing phenol using either of the above catalyst. The catalysts of the invention exercise a high conversion of benzoic acid and a high selectivity to phenol, and phenol can be produced in a high yield, particularly in a high space time yield through the processes of the invention using the above catalysts. The above conversion, selectivity and space time yield can be improved by calcining the catalyst at 600.degree. to 900.degree. C.

Abstract: A dye solvent useful as a material for microcapsules necessary for the manufacture of pressure-sensitive manifold paper. This solvent essentially consists of a hydroaromatic compound for pressure-sensitive manifold paper. The compound is a polycyclic aromatic compound with three or more aromatic rings, some of which rings have been hydrogenated and exhibits solvency, particularly, for a black pigment and a blue pigment of leuco dye.

Abstract: A process for the preparation of naphthalene mono or polycarboxylic acids, such as 2,6-naphthalene dicarboxylic acid, is disclosed which includes oxidizing a naphthalene compound such as 2,6-diisopropylnaphthalene in a specific solvent with molecular oxygen in the presence of a catalyst containing a heavy metal compound and a bromine compound. The solvent is an aliphatic monocarboxylic acid and may further contain benzene and/or water. By controlling the ratio of the amount of catalyst metal to the feed rate of the raw material naphthalene compound, the yield of desired product can be controlled.