A method for recovering carbon fibers from composite waste includes coating a water-soluble catalyst powder on a surface of composite waste having carbon fibers and a resin matrix and pyrolyzing the resin matrix of the coated composite waste.

A method for recovering carbon fibers from composite waste includes coating a water-soluble catalyst powder on a surface of composite waste having carbon fibers and a resin matrix and pyrolyzing the resin matrix of the coated composite waste.

A method for producing 1,2-dichloro-3,3,3-trifluoropropene according to the present invention includes the step of reacting 1,1,2,3,3-pentachloropropene with a fluorinating agent where hydrogen fluoride is used as the fluorinating agent.

A method for producing 1,2-dichloro-3,3,3-trifluoropropene according to the present invention includes the step of reacting 1,1,2,3,3-pentachloropropene with a fluorinating agent where hydrogen fluoride is used as the fluorinating agent.

There is provided a method for producing bromofluoromethane capable of selectively synthesizing at least one of tribromofluoromethane and dibromodifluoromethane. The method for producing bromofluoromethane includes: a fluorination step of reacting a fluorinating agent with a raw-material compound which is at least one of carbon tetrabromide and tribromofluoromethane for fluorination in the presence of a simple substance or a salt of a metal belonging to the third period or the fourth period and belonging to any of Group III to Group XIII of the periodic table to synthesize a target compound which is at least one of tribromofluoromethane and dibromodifluoromethane. The raw-material compound and the target compound are not the same.

There is provided a method for producing bromofluoromethane capable of selectively synthesizing at least one of tribromofluoromethane and dibromodifluoromethane. The method for producing bromofluoromethane includes: a fluorination step of reacting a fluorinating agent with a raw-material compound which is at least one of carbon tetrabromide and tribromofluoromethane for fluorination in the presence of a simple substance or a salt of a metal belonging to the third period or the fourth period and belonging to any of Group III to Group XIII of the periodic table to synthesize a target compound which is at least one of tribromofluoromethane and dibromodifluoromethane. The raw-material compound and the target compound are not the same.

Described herein are magnetic particle-ionic liquid composite materials, and methods of making and use thereof. The magnetic particle-ionic liquid composite materials can comprise an ionic liquid conjugated to a magnetic particle, wherein the ionic liquid comprises at least one cation and at least one metal halide anion; and wherein the ionic liquid is not covalently bound to the magnetic particle.

Described herein are magnetic particle-ionic liquid composite materials, and methods of making and use thereof. The magnetic particle-ionic liquid composite materials can comprise an ionic liquid conjugated to a magnetic particle, wherein the ionic liquid comprises at least one cation and at least one metal halide anion; and wherein the ionic liquid is not covalently bound to the magnetic particle.

The invention relates to a method for producing 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) from at least one compound A selected from the group consisting of halopropane of formulae CX.sub.3CHClCH.sub.2X or CX.sub.3CFClCH.sub.3, or halopropenes of formula CQX.sub.2CCNCH.sub.2 and CX.sub.2CClCH.sub.2X where X independently represents a fluorine or chlorine atom, characterised in that it comprises bringing said at least one compound A into contact with HF in a gaseous phase in the presence of a fluorination catalyst AlF.sub.3 or fluorine-bearing alumina in order to form a gaseous flow B comprising 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) et 3,3,3-trifluoropropene (HFO-1243zf).

The invention relates to a method for producing 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) from at least one compound A selected from the group consisting of halopropane of formulae CX.sub.3CHClCH.sub.2X or CX.sub.3CFClCH.sub.3, or halopropenes of formula CQX.sub.2CCNCH.sub.2 and CX.sub.2CClCH.sub.2X where X independently represents a fluorine or chlorine atom, characterised in that it comprises bringing said at least one compound A into contact with HF in a gaseous phase in the presence of a fluorination catalyst AlF.sub.3 or fluorine-bearing alumina in order to form a gaseous flow B comprising 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) et 3,3,3-trifluoropropene (HFO-1243zf).