22.
    发明专利
    未知

    公开(公告)号:DE3872304D1

    公开(公告)日:1992-07-30

    申请号:DE3872304

    申请日:1988-04-28

    Applicant: HOECHST AG

    Abstract: New stabiliser mixt. comprises 10-90 (wt.)% N,N'-di-substd. p-phenylenediamine cpd(s). R3-S-R4 (I) and 10-90% thioether cpd(s). (II) of the formula (II): R1 and R2 independently = 1-12 C alkyl, 5-8 C cycloalkyl or a phenyl or naphthyl gp. opt. with 1-10 C alkyl substit(s).; R3 and R4 independently = 6-18 C alkyl, -CH2(CH2)m-CO-OR5 or a phenyl or p-hydroxyphenyl gp., opt. with 1-10 C alkyl substit(s). and R4 can also = H; R5 = 1-18 C alkyl; m = 0, 1 or 2. There is no reference to the prepn. of (I) and (II).

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