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    PREPARATION OF (PHOSPHONYL) AROMATIC DIESTERS AND ACIDS
    10.
    发明公开
    PREPARATION OF (PHOSPHONYL) AROMATIC DIESTERS AND ACIDS 有权
    制造（膦）芳香此TERN和酸

    公开(公告)号：EP2788366A1

    公开(公告)日：2014-10-15

    申请号：EP12855025.8

    申请日：2012-10-12

    申请人： E. I. Du Pont de Nemours and Company

    发明人： DRYSDALE, Neville Everton ,  NEDERBERG, Fredrik

    IPC分类号： C07F9/12 ,  C07B45/04 ,  C07B61/00

    CPC分类号： C07F9/5304 ,  C07F9/5325

    摘要： The composition of a (phosphonyl) aromatic compound represented by (I) is provided. In this composition, R
    1 (a) and R
    1 (b) are each independently H, C
    n H
    2n+1 , phenyl or benzyl; R
    2 (a) and R
    2 (b) are each independently H, C
    n H
    2n+1 , phenyl or benzyl with the proviso that no more than one R
    2(a) and no more than one R
    2(b) can be phenyl or benzyl; R
    3 (a) and R
    3 (b) are each independently C
    n H
    2n+1 , phenyl or benzyl; and, n is an integer of 1 - 10; and p is an integer of 1 - 10. The disclosed composition can find utility in improving flame retardancy of polyesters, aramids and nylons.