11.
    发明专利
    未知

    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

    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.

    14.
    发明专利
    未知

    公开(公告)号:AT412022T

    公开(公告)日:2008-11-15

    申请号:AT07106925

    申请日:2007-04-25

    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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