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56 条记录 (耗时 0.027 秒)

    Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex
    3.
    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

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

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

    IPC分类号： C08K5134

    CPC分类号： C08K5/134 ,  C08L21/02

    摘要： 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.

    摘要翻译： 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。

    Sulfoxides of alkylthiomethylphenols
    6.
    发明授权
    Sulfoxides of alkylthiomethylphenols 失效
    烷硫基甲基苯酚的亚砜

    公开(公告)号：US5258433A

    公开(公告)日：1993-11-02

    申请号：US747569

    申请日：1991-08-20

    申请人： Hans-Rudolf Meier ,  Paul Dubs

    发明人： Hans-Rudolf Meier ,  Paul Dubs

    IPC分类号： C07C317/18 ,  C07C317/44 ,  C08K5/41 ,  C09K15/14 ,  C10M135/08 ,  C10N30/00 ,  C10N30/08 ,  C10N30/12 ,  C10N40/08

    CPC分类号： C08K5/41 ,  C07C317/18 ,  C09K15/14

    摘要： Sulfoxides of alkylthiomethylphenols of the formula I ##STR1## in which R.sub.1 is hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.18 alkenyl, C.sub.5 -C.sub.7 cycloalkyl, C.sub.5 -C.sub.7 cycloalkenyl, phenyl or C.sub.7 -C.sub.9 phenylalkyl, R.sub.2 is hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.18 alkenyl, C.sub.5 -C.sub.7 cycloalkyl, C.sub.5 -C.sub.7 cycloalkenyl, phenyl, C.sub.7 -C.sub.9 phenylalkyl or a radical --CH.sub.2 --SO--R.sub.5, in which R.sub.5 is C.sub.8 -C.sub.20 alkyl which may be interrupted by --O--, --S-- or --SO-- groups, mono- or dihydroxy-substituted C.sub.2 -C.sub.12 alkyl, phenyl, benzyl, --(CH.sub.2).sub.n COOR.sub.6 or --CH(CH.sub.3)COOR.sub.6, in which R.sub.6 is C.sub.1 -C.sub.20 alkyl and n is 1 or 2, R.sub.3 is hydrogen or a group --CH.sub.2 --SO--R.sub.5, in which R.sub.5 is as defined above, and R.sub.4 has the same meanings as R.sub.2 , with the proviso that only one of the radicals R.sub.2, R.sub.3 or R.sub.4 is the group --CH.sub.2 --SO--R.sub.5 and that, if R.sub.4 is --CH.sub.2 --SO--R.sub.5 and R.sub.1 and R.sub.2 are simultaneously tert-butyl or tert-amyl, R.sub.5 is not C.sub.8 -C.sub.14 alkyl, or mixtures of these compounds with the corresponding non-oxidised compounds are suitable for stabilising organic materials which are sensitive to oxidative, thermal and/or light-induced degradation.

    摘要翻译： 其中R 1是氢，C 1 -C 20烷基，C 2 -C 18烯基，C 5 -C 7环烷基，C 5 -C 7环烯基，苯基或C 7 -C 9苯基烷基，R 2是氢，C 1 -C 20烷基，C 2（C 1 -C 20）烷基硫代甲基苯酚 -C 18烯基，C 5 -C 7环烷基，C 5 -C 7环烯基，苯基，C 7 -C 9苯基烷基或基团-CH 2 -SO 3 -R 5，其中R 5为可被-O - ， - S-或-SO-基团间隔的C 8 -C 20烷基 ，单或二羟基取代的C 2 -C 12烷基，苯基，苄基， - （CH 2）n COOR 6或-CH（CH 3）COOR 6，其中R 6是C 1 -C 20烷基，n是1或2，R 3是氢或基团-CH 2 -SO-R 5，其中R 5如上定义，并且R 4具有与R 2相同的含义，条件是基团R 2，R 3或R 4中只有一个是基团-CH 2 -SO-R 5，并且如果R 4 是-CH2-SO-R5，R1和R2同时是叔丁基或叔戊基，R5不是C8-C14烷基，或这些化合物与相应的非氧化化合物的混合物适用于稳定对 氧化，热和 /或光诱导的降解。

    Cyclohexyl substituted hydroxybenyzlphosphonates
    8.
    发明授权
    Cyclohexyl substituted hydroxybenyzlphosphonates 失效
    环己基取代的羟基苯甲基膦酸酯

    公开(公告)号：US5258540A

    公开(公告)日：1993-11-02

    申请号：US916930

    申请日：1992-07-20

    申请人： Paul Dubs ,  Werner Stegmann ,  Reto Luisoli ,  Roger Martin

    发明人： Paul Dubs ,  Werner Stegmann ,  Reto Luisoli ,  Roger Martin

    IPC分类号： C07F9/40

    CPC分类号： C07F9/4056

    摘要： Compounds of formula Ia ##STR1## in which R.sub.1 is hydrogen, R.sub.2 is methyl, tert-butyl or cyclohexyl, and R.sub.7 and R.sub.8 independently of one another are C.sub.1 -C.sub.18 alkyl, phenyl or C.sub.7 -C.sub.18 alkylphenyl are novel compounds having utility as stabilizers.

    摘要翻译： 式Ia的化合物其中R 1是氢，R 2是甲基，叔丁基或环己基，且R 7和R 8彼此独立地是C 1 -C 18烷基，苯基或C 7 -C 18烷基苯基是具有用作稳定剂的新化合物。

    Process for the preparation of hydroxybenzylphosphonates
    9.
    发明授权
    Process for the preparation of hydroxybenzylphosphonates 失效
    制备羟基苯甲酰磷酸酯的方法

    公开(公告)号：US5157141A

    公开(公告)日：1992-10-20

    申请号：US616549

    申请日：1990-11-21

    申请人： Paul Dubs ,  Werner Stegmann ,  Reto Luisoli ,  Roger Martin

    发明人： Paul Dubs ,  Werner Stegmann ,  Reto Luisoli ,  Roger Martin

    IPC分类号： C07F9/40

    CPC分类号： C07F9/4056

    摘要： A process for the preparation of compounds of the general formula I ##STR1## in which R.sub.1 is hydrogen or methyl, R.sub.2 and R.sub.3 independently of one another are C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.8 cycloalkyl, phenyl, C.sub.7 -C.sub.9 phenylalkyl or halogen, R.sub.2 is additionally hydrogen and R.sub.7 and R.sub.8 independently of one another are C.sub.1 -C.sub.18 alkyl, phenyl or C.sub.7 -C.sub.18 alkylphenyl, which comprises reacting a phenol of the formula II ##STR2## in which R.sub.1 to R.sub.3 have the meaning described above, with formaldehyde or paraformaldehyde, an amine of the formula IIINR.sub.4 R.sub.5 R.sub.6 IIIin which R.sub.4 is C.sub.1 -C.sub.4 alkyl and R.sub.5 and R.sub.6 independently of one another are hydrogen or C.sub.1 -C.sub.4 alkyl, and a phosphite of the formula IV ##STR3## in which R.sub.7 and R.sub.8 have the meaning described above and R.sub.9 has the meaning given for R.sub.7 and R.sub.8, at a temperature of 0.degree.-200.degree. C.Some compounds of the formula I are novel.

    摘要翻译： 其中R 1是氢或甲基，R 2和R 3彼此独立地是C 1 -C 18烷基，C 5 -C 8环烷基，苯基，C 7 -C 9苯基烷基或卤素的通式I的化合物的方法，R 2是 另外氢和R 7和R 8彼此独立地是C 1 -C 18烷基，苯基或C 7 -C 18烷基苯基，其包括使式II的苯酚（其中R 1至R 3具有上述含义）与甲醛或多聚甲醛反应， 其中R 4为C 1 -C 4烷基且R 5和R 6彼此独立地为氢或C 1 -C 4烷基的式III的NR 4 R 5 R 6 III的胺，和其中R 7和R 8具有所述含义的式IV的亚磷酸酯 R9和R7具有对于R 7和R 8的含义，在0℃-200℃的温度下。式I的一些化合物是新的。