[EN] METHOD FOR MANUFACTURING 1,4-BIS (4-PHENOXYBENZOYL)BENZENE USING SUBSTANTIALLY NON-HYDROLYZED TEREPHTHALOYL CHLORIDE [FR] PROCÉDÉ DE FABRICATION DE 1,4-BIS(4-PHÉNOXYBENZOYL)BENZÈNE À L'AIDE DE CHLORURE DE TÉRÉPHTALOYLE SENSIBLEMENT NON HYDROLYSÉ
DISSOCIATION OF A 1,4-BIS (4-PHENOXYBENZOYL)BENZENE - LEWIS ACID COMPLEX IN AN AQUEOUS SOLUTION
申请人:ARKEMA FRANCE
公开号:US20180334420A1
公开(公告)日:2018-11-22
A method for manufacturing 1,4-bis(4-phenoxybenzoylbenzene), including: reacting terephthaloyl chloride with diphenyl ether in a reaction solvent and in the presence of a Lewis acid, so as to obtain a product mixture including a 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex; contacting the product mixture with an aqueous solution, so as to obtain an aqueous phase containing the Lewis acid and an organic phase containing 1,4-bis(4-phenoxybenzoylbenzene).
METHOD FOR MANUFACTURING 1,4-BIS (4-PHENOXYBENZOYLBENZENE) AT AN ELEVATED TEMPERATURE
申请人:ARKEMA FRANCE
公开号:US20180334418A1
公开(公告)日:2018-11-22
A method for manufacturing 1,4-bis(4-phenoxybenzoylbenzene), including: providing a reactant mixture including terephthaloyl chloride and diphenyl ether in a solvent; adding a Lewis acid to the reactant mixture, so as to obtain a product mixture; wherein the temperature of the reactant mixture is greater than 5° C. during at least part of the step of adding the Lewis acid to the reactant mixture.
[EN] METHOD FOR MANUFACTURING 1,4-BIS (4-PHENOXYBENZOYLBENZENE) IN SUPERSATURATION CONDITIONS<br/>[FR] PROCÉDÉ DE FABRICATION DE 1,4-BIS (4-PHÉNOXYBENZOYLBENZÈNE) DANS DES CONDITIONS DE SURSATURATION
申请人:ARKEMA FRANCE
公开号:WO2018210959A1
公开(公告)日:2018-11-22
The invention relates to amethod for manufacturing 1,4-bis(4-phenoxybenzoylbenzene), comprising: providing a reactant mixture comprising terephthaloyl chloride, diphenyl ether and a Lewis acid in a solvent; reacting terephthaloyl chloride with diphenyl ether, so as to obtain a product mixture comprising a 1,4-bis(4-phenoxybenzoylbenzene)- Lewis acid complex; wherein the 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex is dissolved in the solvent at a 1,4-bis(4-phenoxybenzoylbenzene) weight concentration in the solvent which is higher than the saturation limit of the 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex during at least part of the step of reacting terephthaloyl chloride with diphenyl ether.
METHOD FOR MANUFACTURING 1,4-BIS (4-PHENOXYBENZOYL)BENZENE USING SUBSTANTIALLY NON-HYDROLYZED TEREPHTHALOYL CHLORIDE
申请人:ARKEMA FRANCE
公开号:US20180334419A1
公开(公告)日:2018-11-22
A method for manufacturing 1,4-bis(4-phenoxybenzoylbenzene), including: providing terephthaloyl chloride, diphenyl ether, a solvent and a Lewis acid, wherein the terephthaloyl chloride is of a purity grade such that, 10 minutes after introducing it at a reference concentration of 6.5 wt. % into said solvent, at a temperature of 20° C., a solution is obtained having a turbidity of less than 500 NTU; mixing the terephthaloyl chloride, the diphenyl ether and the solvent so as to make a reactant mixture; adding the Lewis acid to the reactant mixture so as to effect the reaction of the terephthaloyl chloride with the diphenyl ether; recovering a product mixture comprising a 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex.
[EN] PURIFICATION OF 1,4-BIS (4-PHENOXYBENZOYLBENZENE) BY CENTRIFUGAL FILTRATION<br/>[FR] PURIFICATION DE 1,4-BIS (4-PHÉNOXYBENZOYLBENZÈNE) PAR FILTRATION CENTRIFUGE
申请人:ARKEMA FRANCE
公开号:WO2018211046A1
公开(公告)日:2018-11-22
The invention relates to a method for manufacturing 1,4-bis(4- phenoxybenzoylbenzene), comprising: –reacting terephthaloyl chloride with diphenyl ether in a reaction solvent and in the presence of a Lewis acid, so as to obtain a product mixture comprising a 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex; –putting the product mixture in contact with a protic solvent, so as to obtain a first phase containing the Lewis acid and a second phase containing 1,4-bis(4-phenoxybenzoylbenzene); –subjecting at least the second phase to a solid / liquid separation step by centrifugal filtration, so as to recover solid 1,4-bis(4- phenoxybenzoylbenzene).