AQUEOUS FORMULATIONS CONTAINING POLYAROMATIC COMPOUNDS WITH ACID GROUPS

    公开(公告)号:CA2613190A1

    公开(公告)日:2007-01-11

    申请号:CA2613190

    申请日:2006-06-29

    Applicant: BASF AG

    Abstract: The invention relates to the following: a method for production of aqueous formulations (A) containing at least one polyaromatic particularly sulphonat ed compound with acid groups and aqueous formulations (A), produced by said method; a method for production of dried formulations (B) by removal of the water from aqueous formulations (A) and the dried formulation (B) itself; a formulation (C), comprising said dried formulation (B) and water or the formulation (A) and a water-containing formulation (D) containing the aqueou s formulation (A) or the formulation (C) and in addition at least 2 wt. % of a n organic solvent; a dry formulation (E), obtained by removal of water and solvent from the aqueous formulation (D); the use of aqueous formulation (D) and the dry formulation (E) obtained therefrom for the production of a polym er electrolyte membrane itself and a membrane/electrode unit (MEA) and a fuel cell comprising said polymer electrolyte membrane.

    15.
    发明专利
    未知

    公开(公告)号:DE102005044035A1

    公开(公告)日:2007-03-15

    申请号:DE102005044035

    申请日:2005-09-14

    Applicant: BASF AG

    Abstract: In a process for dropletizing a liquid by means of a dropletizer plate at least the underside of the dropletizer plate has at least in part a contact angle of at least 60° with regard to the liquid to be dropletized.

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