会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 74. 发明授权
    • Compositions containing n-heterocyclic phosphonates which contain 6 ring
members
    • 含有6个环成员的n-杂环膦酸酯的组合物
    • US5328623A
    • 1994-07-12
    • US928245
    • 1992-08-10
    • Peter Nesvadba
    • Peter Nesvadba
    • C07F9/40C07F9/58C08K5/53C08K5/5317C08K5/5373C08L101/00C09K15/30C10M137/12
    • C08K5/5373
    • There are disclosed compositions comprising: A) an organic material which is susceptible to thermal, oxidative and/or light-induced degradation, and B) at least one compound of formula I and/or II, ##STR1## wherein R.sub.0 is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.2 -C.sub.12 alkenyl, phenyl-C.sub.1 -C.sub.4 alkyl, --CO--R.sub.5 or --CO--OR.sub.5, R.sub.1 is hydrogen, methyl, ethyl or R.sub.1 together with R.sub.2 are ##STR2## R.sub.2 is hydrogen, methyl, ethyl or R.sub.2 together with R.sub.1 are ##STR3## R.sub.3 is hydrogen, methyl, ethyl or R.sub.3 together with R.sub.4 are ##STR4## R.sub.4 is hydrogen, methyl, ethyl or R.sub.4 together with R.sub.3 are ##STR5## R.sub.5 is C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl-C.sub.1 -C.sub.4 alkyl or phenyl, R.sub.6 and R.sub.7 are each independently of the other hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl or phenyl-C.sub.1 -C.sub.4 alkyl, R.sub.8 is C.sub.1 -C.sub.4 alkyl, and n is 0, 1 or 2, with the proviso that, in formula II, R.sub.3 is not hydrogen. The compounds of formula I and/or II are particularly effective antioxidants as well as processing stabilisers for synthetic polymers.
    • 公开的组合物包括:A)易受热,氧化和/或光诱导降解的有机材料,和B)至少一种式I和/或II的化合物,其中R 0是氢,C 1 -C 12烷基,C 5 -C 12环烷基,C 2 -C 12烯基,苯基-C 1 -C 4烷基,-CO-R 5或-CO-OR 5,R 1是氢,甲基,乙基或R 1与R 2一起是R 2是氢,甲基,乙基 或R 2与R 1一起为R 3为氢,甲基,乙基或R 3与R 4一起为R 4为氢,甲基,乙基或R 4与R 3一起为R 1为C 1 -C 18烷基,C 5 -C 12环烷基 苯基-C 1 -C 4烷基或苯基,R 6和R 7各自独立地为氢,C 1 -C 12烷基,C 5 -C 12环烷基,苯基或苯基-C 1 -C 4烷基,R 8为C 1 -C 4烷基,n为0,1或2 条件是在式II中,R 3不是氢。 式I和/或II的化合物是特别有效的抗氧化剂以及合成聚合物的加工稳定剂。