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    • 4. 发明授权
    • Piperidine compounds containing silane groups as stabilizers for organic
materials
    • 含有硅烷基的哌啶化合物作为有机材料的稳定剂
    • US5561179A
    • 1996-10-01
    • US560263
    • 1995-11-21
    • Valerio BorzattaPrimo Carrozza
    • Valerio BorzattaPrimo Carrozza
    • C08G77/14C08G77/22C08G77/26C08G77/28C08G77/388C08K5/5419C08L83/04C08L83/08C09K15/32C08K5/3492C07D211/48C07D211/58C07D401/02C07D401/14C08K5/3435
    • C09K15/32C08G77/26C08G77/388
    • Compounds of the formula (I) ##STR1## in which m and n are numbers from 1 to 50; A is --O-- or >N--R.sub.6 where R.sub.6 is e.g. hydrogen or C.sub.1 -C.sub.18 alkyl; R.sub.1 and R.sub.4, which may be identical or different, are C.sub.1 -C.sub.18 alkyl, phenyl, C.sub.1 -C.sub.8 alkoxy, OH, ONa or OK; R.sub.2 is e.g. C.sub.2 -C.sub.12 alkylene; R.sub.3 is e.g. hydrogen or C.sub.1 -C.sub.8 alkyl; R.sub.5 is e.g. a group of the formula ##STR2## in which R.sub.9 is e.g. 2,2,6,6-tetramethyl-4-piperidyl; A' has one of the meanings of A; p is e.g. 1 and R.sub.10 is e.g. C.sub.2 -C.sub.18 alkylene; X.sub.1 has one of the meanings of R.sub.1 or is a group (R.sub.27).sub.3 SiO-- where R.sub.27 is C.sub.1 -C.sub.18 alkyl; X.sub.2 is hydrogen, Na, K, C.sub.1 -C.sub.8 alkyl or a group (R.sub.27).sub.3 Si-- with R.sub.27 as defined above and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.2 together can also represent a direct linkage; are useful as stabilizers for organic materials against degradation induced by light, heat or oxidation.
    • 式(I)的化合物其中m和n是1至50的数字; A是-O-或> N-R6,其中R6是例如。 氢或C 1 -C 18烷基; 可以相同或不同的R 1和R 4是C 1 -C 18烷基,苯基,C 1 -C 8烷氧基,OH,ONa或OK; R2是例如 C2-C12亚烷基; R3是例如 氢或C 1 -C 8烷基; R5是例如 其中R9为例如式的组。 2,2,6,6-四甲基-4-哌啶基; A'具有A的含义之一; p是例如。 1和R10是例如 C2-C18亚烷基; X1具有R 1的含义之一,或为R 27为C 1 -C 18烷基的基团(R 27)3 SiO - X 2是氢,Na,K,C 1 -C 8烷基或具有如上定义的R 27的基团(R 27)3 Si-,当m + n是3至10的数时,X 1和X 2也可以表示直接键; 可用作有机材料的稳定剂,以防止由光,热或氧化引起的降解。