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    • 5. 发明授权
    • Sulfoxides of alkylthiomethylphenols
    • 烷硫基甲基苯酚的亚砜
    • US5258433A
    • 1993-11-02
    • US747569
    • 1991-08-20
    • Hans-Rudolf MeierPaul Dubs
    • Hans-Rudolf MeierPaul Dubs
    • C07C317/18C07C317/44C08K5/41C09K15/14C10M135/08C10N30/00C10N30/08C10N30/12C10N40/08
    • C08K5/41C07C317/18C09K15/14
    • 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.
    • 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。
    • 10. 发明授权
    • Stabilizers and antiozonants for elastomers
    • 用于弹性体的稳定剂和抗臭氧剂
    • US06797755B1
    • 2004-09-28
    • US10110620
    • 2002-04-15
    • Hans-Rudolf MeierGerrit KnoblochSamuel Evans
    • Hans-Rudolf MeierGerrit KnoblochSamuel Evans
    • C08L541
    • C07C323/25C07C317/28C07C317/44C07C323/52C07C2601/14C08K5/3725C08K5/41C08L21/00
    • 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.
    • 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。