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公开(公告)号:BRPI0702534A
公开(公告)日:2008-01-15
申请号:BRPI0702534
申请日:2007-05-14
Applicant: DEGUSSA
Inventor: RICHTER ALEXANDER , SCHIEMANN VERA , GUENZEL BERND , JILG BORIS , UHLICH WILFRIED
IPC: C08G65/40
Abstract: Preparation of polyarylene ether ketones (A), comprises reacting an aromatic dihalo compound with a bisphenol and/or halogen phenols in the presence of alkali and/or alkaline earth carbonate in a high boiling aprotic solvent, to obtain the polyarylene etherketone; wet crushing the hardened reaction mixture in present of water; washing the mixture with an organic solvent and water; and drying the washed product, where the reaction mixture with a moisture content of less than 1 wt.% is fed for two-stage washing.
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公开(公告)号:BRPI0816067A2
公开(公告)日:2015-03-31
申请号:BRPI0816067
申请日:2008-08-13
Applicant: EVONIK DEGUSSA GMBH
Inventor: BOLLMANN SONJA , GÖRING RAINER , BAUMANN FRANZ-ERICH , DOWE ANDREAS , SCHIEMANN VERA
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公开(公告)号:ES2358003T3
公开(公告)日:2011-05-04
申请号:ES08787169
申请日:2008-08-13
Applicant: EVONIK DEGUSSA GMBH
Inventor: BOLLMANN SONJA , GOERING RAINER , BAUMANN FRANZ-ERICH , DOWE ANDREAS , SCHIEMANN VERA
Abstract: Utilización de una masa de moldeo para el ensamble de dos piezas moldeadas hechas en cada caso a base de una masa de moldeo de una PA11 y de una masa de moldeo de una PA12, conteniendo la masa de moldeo en por lo menos un 50 % en peso un componente poliamídico y siendo escogido el componente poliamídico 5 de tal manera que él se puede producir a partir de diaminas y ácidos dicarboxílicos alifáticas/os lineales o respectivamente de lactamas o de ácidos ω-aminocarboxílicos, estando presentes en las unidades repetidas de 11 a 12 átomos de carbono por cada grupo de carboxamida, y conteniendo además este componente poliamídico en como máximo un 80 % en peso en cada caso de una de las poliamidas PA11 y PA12.
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公开(公告)号:AT412022T
公开(公告)日:2008-11-15
申请号:AT07106925
申请日:2007-04-25
Applicant: EVONIK DEGUSSA GMBH
Inventor: RICHTER ALEXANDER , SCHIEMANN VERA , GUENZEL BERND , JILG BORIS , UHLICH WILFRIED
Abstract: Preparation of polyarylene ether ketones (A), comprises reacting an aromatic dihalo compound with a bisphenol and/or halogen phenols in the presence of alkali and/or alkaline earth carbonate in a high boiling aprotic solvent, to obtain the polyarylene etherketone; wet crushing the hardened reaction mixture in present of water; washing the mixture with an organic solvent and water; and drying the washed product, where the reaction mixture with a moisture content of less than 1 wt.% is fed for two-stage washing.
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