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    Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex
    2.
    发明授权
    Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex 失效
    乳化乳胶，合成胶乳和天然橡胶胶乳的稳定剂

    公开(公告)号：US06596796B1

    公开(公告)日：2003-07-22

    申请号：US09688417

    申请日：2000-10-16

    Applicant: Hans-Rudolf Meier ,  Gerrit Knobloch ,  Paul Dubs ,  Samuel Evans

    Inventor： Hans-Rudolf Meier ,  Gerrit Knobloch ,  Paul Dubs ,  Samuel Evans

    IPC: C08K5134

    CPC classification number: C08K5/134 ,  C08L21/02

    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, and b) as stabilizer at least one compound of formula I wherein R1 is C8-C20alkyl; and optionally c) as further stabilizer at least one compound of formula II wherein R2 is C8-C12alkyl, R3 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, &agr;-methylbenzyl, &agr;,&agr;-dimethylbenzyl or —CH2—S—R2, R4 is C1-C12alkyl, benzyl, &agr;-methylbenzyl, 60 ,&agr;-dimethylbenzyl or —CH2—S—R2, and R5 is hydrogen or methyl.

    Abstract translation: 描述的组合物包括：a）经受氧化，热，动态和/或光诱导降解的乳液粗橡胶，合成胶乳或天然橡胶胶乳，和b）作为稳定剂的至少一种式I化合物，其中R1是C8-C20烷基;和 任选地，c）作为其它稳定剂的至少一种式II化合物，其中R2是C8-C12烷基，R3是氢，C1-C12烷基，环己基，1-甲基环己基，苄基，α-甲基苄基，α，α-二甲基苄基或-CH2-S-R2 R 4是C 1 -C 12烷基，苄基，α-甲基苄基，60，α-二甲基苄基或-CH 2 -S-R 2，R 5是氢或甲基。

    Liquid antioxidants as stabilizers
    4.
    发明授权
    Liquid antioxidants as stabilizers 失效
    液体抗氧化剂作为稳定剂

    公开(公告)号：US6046263A

    公开(公告)日：2000-04-04

    申请号：US81432

    申请日：1998-05-19

    Applicant: Michael Rasberger ,  Samuel Evans ,  Paul Dubs ,  Stephan Allenbach

    Inventor： Michael Rasberger ,  Samuel Evans ,  Paul Dubs ,  Stephan Allenbach

    IPC: C08K5/134 ,  C08K5/20 ,  C08K5/372 ,  C08K5/09 ,  C08K15/04

    CPC classification number: C08K5/1345 ,  C08K5/20 ,  C08K5/372

    Abstract: Products are described which are obtainable by reacting compounds of formula I with compounds of formula IIa or/and IIb and IIIa or/and IIIb and additionally, where appropriate, IV ##STR1## wherein the general symbols are as defined in claim 1, the compound of formula I being, for example, methyl 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate, the compound of formula IIa being, for example, diethanolamine, the compound of formula IIIa being, for example, methyl oleate, and the compound of formula IV being, for example, sulfur. The cited products can be used as liquid antioxidants in organic materials.

    Abstract translation: 描述了可通过使式I化合物与式IIa或/和IIb和IIIa或/和IIIb化合物反应而得到的产物，另外在适当情况下使其中通式如权利要求1所定义，式I化合物 作为例如3-（3'，5'-二叔丁基-4'-羟基苯基）丙酸甲酯，式IIa的化合物是例如二乙醇胺，式IIIa的化合物是例如， 油酸甲酯，式Ⅳ化合物为例如硫。 所引用的产品可用作有机材料中的液体抗氧化剂。

    Liquid antioxidants as stabilizers
    5.
    发明授权
    Liquid antioxidants as stabilizers 失效
    液体抗氧化剂作为稳定剂

    公开(公告)号：US5668206A

    公开(公告)日：1997-09-16

    申请号：US466520

    申请日：1995-06-06

    Applicant: Paul Dubs ,  Roger Martin ,  Samuel Evans

    Inventor： Paul Dubs ,  Roger Martin ,  Samuel Evans

    IPC: C07C69/28 ,  C07C67/62 ,  C07C69/30 ,  C07C69/732 ,  C07C215/08 ,  C07C323/12 ,  C08K5/00 ,  C08K5/134 ,  C08K5/3435 ,  C09K15/08 ,  C08K5/04 ,  C08K5/06 ,  C08K5/10

    CPC classification number: C08K5/3435 ,  C07C215/08 ,  C07C323/12 ,  C07C67/62 ,  C07C69/732 ,  C08K5/005 ,  C08K5/134 ,  C09K15/08

    Abstract: Products are described which can be obtained by reacting components a), b) and c), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II and component c) is a compound of the formula III or a mixture of compounds of the formula III, ##STR1## in which the general symbols are as defined in claim 1, the compound of the formula I being, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,4-propanediol, diethylene glycol, triethylene glycol, diethanolamine or glycerol, the compound of the formula II being, for example, sunflower oil or coconut fat, and the compound of the formula III being, for example, methyl 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate. The abovementioned products can be used as liquid antioxidants in polymers and lubricants.

    Abstract translation: 描述了通过使组分a），b）和c）反应得到的产物，其中组分a）是式I化合物或式I化合物的混合物，组分b）是式II化合物 或式II化合物和组分c）的化合物的混合物是式III的化合物或式III化合物，X（Y）a，（I），（II） 权利要求1中，式I化合物为例如季戊四醇，硫代二甘醇，1,4-丁二醇，1,4-丙二醇，二甘醇，三甘醇，二乙醇胺或甘油，式II化合物为 例如向日葵油或椰子脂肪，式III化合物为例如3-（3'，5'-二叔丁基-4'-羟基苯基）丙酸甲酯。 上述产品可用作聚合物和润滑剂中的液体抗氧化剂。

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