31.
    发明专利
    未知

    公开(公告)号:BR9812464A

    公开(公告)日:2000-09-19

    申请号:BR9812464

    申请日:1998-09-17

    Applicant: BASF AG

    Abstract: A process is described for effectively reducing the residual monomer content of an aqueous polymer dispersion by aftertreatment at atmospheric pressure or above with an initiator system comprising a) a hydroperoxide, hydrogen peroxide or a peracid, and b) an alpha-hydroxy carboxylic acid, such as tartaric acid, or with a salt thereof.

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