17.
    发明专利
    未知

    公开(公告)号:DE2309435A1

    公开(公告)日:1974-09-05

    申请号:DE2309435

    申请日:1973-02-24

    Applicant: BASF AG

    Abstract: Procedure for the stabilization of polyamides against oxidative influences and thermal dissociation, characterized in that compounds of formula are added as stabilizers **(See formula)** where X signifies -NH-uO-R1 signifies a carbonyl alkyl or carbaryl group, the alkyl moieties being straight chain or branched hydrocarbon moieties with 1 to 20 carbon atoms and the aryl moieties being phenyl moieties or naphthyl moieties, which may be arbitrarily substituted, Y means **(See formula)** where R means a residue, which is derived from aliphatic, aromatic or mixed aliphatic/aromatic diisocyanates, and R is a residue derived from aliphatic or aromatic dicarboxylic acids. (Machine-translation by Google Translate, not legally binding)

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