Multifunctional hydroxy compounds
    1.
    发明授权
    Multifunctional hydroxy compounds 失效
    多功能羟基化合物

    公开(公告)号:US3906042A

    公开(公告)日:1975-09-16

    申请号:US40345873

    申请日:1973-10-04

    CPC classification number: B03D1/012 B01J45/00 C08K5/3725 C08L21/00

    Abstract: N-alkylated derivatives of 2-amino-2-hydrocarbylthiomethyl-1,3propanediols useful as flotation agents, rubber modifiers, and chelating agents in the separation of metals are produced by reacting 2-amino-2-hydrocarbylthiomethyl-1,3-propanediols with organic halides. Thiols can be produced by reacting arylmethylated or alkarylmethylated derivatives of the above compounds with an alkali metal in the presence of ammonia.

    Abstract translation: 可用作浮选剂的2-氨基-2-烃基硫甲基-1,3-丙二醇的N-烷基化衍生物,金属分离中的橡胶改性剂和螯合剂通过2-氨基-2-烃基硫代甲基-1,3-丙二醇, 丙二醇与有机卤化物。 可以通过在氨的存在下使上述化合物的芳基甲基化或烷芳基甲基化的衍生物与碱金属反应来制备硫醇。

    Ternary stabilizer system for polyolefins
    6.
    发明授权
    Ternary stabilizer system for polyolefins 失效
    用于聚烯烃的三元稳定剂体系

    公开(公告)号:US3644282A

    公开(公告)日:1972-02-22

    申请号:US3644282D

    申请日:1969-02-24

    CPC classification number: C08K5/372 C08L23/02

    Abstract: A POLYMER STABILIZER COMPRISING MIXTURES OF DIESTERS OF THIODICAROXYLIC ACIDS. IN ANOTHER EMBODIMENT, SAID POLYMER STABILIZER FURTHER COMPRISES AT LEAST ONE HINDERED MONO OR POLYPHENOLIC COMPOUND. IN ANTOHER EMBODIMENT, SAID DIESTERS OF THIODICARBOXYLIC ACIDS ARE PRODUCED BY REACTING A MIXTURE OF ALCOHOLS CHARACTERIZED BY THE FORMULAS ROH AND R''OH WHEREIN R AND R'' ARE THE SAME OR DIFFERENT AND ARE HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL OR CYCLOALKYL-SUBSTITUTED ALKYL IN THE RANGE OF FROM 10 TO 20 CARBON ATOMS PER R AND R'' GROUP WITH AT LEAST ONE THIODICARBOXYLIC ACID OF THE FORMULA S-(CNH2NCOOH)2 WHEREIN N IS AN INTEGER FROM 1 TO 6.

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