Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex
    1.
    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

    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
    5.
    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

    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。

    Graftable hindered amine light stabilizers
    9.
    发明申请
    Graftable hindered amine light stabilizers 有权
    可接枝的受阻胺光稳定剂

    公开(公告)号:US20060173107A1

    公开(公告)日:2006-08-03

    申请号:US10543428

    申请日:2004-02-02

    IPC分类号: C08K5/34 C07D401/02

    摘要: The invention describes novel compound of the formula (I), wherein the general symbols are as defined in claim 1, as stabilizers for protecting organic materials, in particular synthetic polymers, against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.

    摘要翻译: 本发明描述了式(I)的新型化合物,其中通式为如权利要求1所定义,作为用于保护有机材料,特别是合成聚合物的稳定剂,用于氧化,热,动态,光诱导和/或臭氧 - 诱导退化。

    Stabilizers and antiozonants for elastomers
    10.
    发明授权
    Stabilizers and antiozonants for elastomers 失效
    用于弹性体的稳定剂和抗臭氧剂

    公开(公告)号:US06797755B1

    公开(公告)日:2004-09-28

    申请号:US10110620

    申请日:2002-04-15

    IPC分类号: C08L541

    摘要: Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula (I): [R—S(═O)m—CH2—CH(OH)—CH2]n—N(R1)2−n—R2, in which R is C4-C20alkyl, hydroxyl-substituted C4-C20alkyl; phenyl, benzyl, &agr;-methylbenzyl, &agr;,&agr;-dimethylbenzyl, cyclohexyl or —(CH2)qCOOR3, and, if m is 0, R may additionally be (a); and, if n is 1 and R4 is hydrogen, R may additionally be R2—R1N—CH2—CH(OH)—CH2—S(═O)m—(CH2)x— or R2—R1N—CH2—CH(OH)—CH2—S(═O)m—CH2—CH2—(OCH2—CH2)y—, R1 is hydrogen, cyclohexyl or C3-C12alkyl, R2 is (b), R3 is C1-C18alkyl, R4 is hydrogen or —CH2—CH(OH)—CH2—S(═O)m—R, X is C1-C8alkyl, Y is C1-C8alkyl, m is 0 or 1, n is 1 or 2, q is 1 or 2, x is from 2 to 6, and y is 1 or 2. The compounds of the formula (I) are also suitable as stabilizes for elastomers to prevent contact discoloration of substrates coming into contact with elastomers.

    摘要翻译: 具有优异稳定性以防止氧化,热,动态,光诱导和/或臭氧诱导的降解的弹性体包含作为稳定剂的至少一种式(I)化合物:[RS(= O)m -CH 2 -CH (OH)-CH 2] n N(R 1)2-n R 2,其中R是C 4 -C 20烷基,羟基取代的C 4 -C 20烷基; 苯基,苄基,α-甲基苄基,α,α-二甲基苄基,环己基或 - (CH 2)q COOR 3,如果m为0,则R可另外为(a)。 并且如果n为1且R 4为氢,则R可以另外为R 2 -R 1 N-CH 2 -CH(OH)-CH 2 -S(= O)m - (CH 2)x - 或R 2 -R 1 N-CH 2 -CH(OH)-CH 2 -S(= O)m -CH 2 -CH 2 - (OCH 2 -CH 2)y - ,R 1是氢,环己基或C 3 C 12烷基,R 2是(b),R 3是C 1 -C 18烷基,R 4是氢或-CH 2 -CH(OH)-CH 2 -S(= O)m R,X是C 1 -C 8烷基 ,Y为C1-C8烷基,m为0或1,n为1或2,q为1或2,x为2至6,y为1或2.式(I)化合物也适用 稳定弹性体以防止与弹性体接触的基底的接触变色。