Process for stabilizing ethylenically unsaturated compounds and
stabilized monomer compositions
    1.
    发明授权
    Process for stabilizing ethylenically unsaturated compounds and stabilized monomer compositions 失效
    用于稳定烯属不饱和化合物和稳定的单体组合物的方法

    公开(公告)号:US5258138A

    公开(公告)日:1993-11-02

    申请号:US956436

    申请日:1992-10-02

    CPC分类号: C07C51/50 C07C67/62 C07C7/20

    摘要: A process for stabilizing an ethylenically unsaturated monomer or oligomer from premature polymerization is disclosed whereby a stabilizing amount of an amine, preferably a substituted hindered amine, in combination with phenothiazine or other related heterocyclic moiety is added to said polymerizable monomer or oligomer. The ethylenically unsaturated monomer or oligomer encompass vinyl monomers or oligomers bearing at least one polymerizable moiety. The combination of substituted hindered amine plus phenothiazine inhibits premature polymerization in the liquid and/or vapor phase.

    摘要翻译: 公开了一种从过早聚合中稳定烯属不饱和单体或低聚物的方法,其中将稳定量的胺,优选取代的受阻胺与吩噻嗪或其它相关杂环部分结合加入到所述可聚合单体或低聚物中。 烯键式不饱和单体或低聚物包含具有至少一个可聚合部分的乙烯基单体或低聚物。 取代的受阻胺加吩噻嗪的组合抑制液体和/或气相中的过早聚合。

    3H-1,3,2-oxazaphospholidines and stabilized compositions
    3.
    发明授权
    3H-1,3,2-oxazaphospholidines and stabilized compositions 失效
    3H-1,3,2-氧杂氮杂吗啉和稳定的组合物

    公开(公告)号:US5075484A

    公开(公告)日:1991-12-24

    申请号:US572747

    申请日:1990-08-23

    IPC分类号: C07F9/6584 C08K5/5399

    CPC分类号: C07F9/65844 C08K5/5399

    摘要: Substituted 3H-1,3,2-oxazaphospholidines of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4 and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.

    摘要翻译: 取代的式I的3H-1,3,2-氧杂氮杂吗啉其中R 1,R 2,R 3和R 4独立地为氢,烷基,环烷基,苯基烷基或芳基,n为1至4,T为正 - 价钱的脂肪族或芳族烃基可有效地稳定有机材料以抵抗氧,热和/或光化辐射的有害影响。

    Compositions stabilized with 3H-1,3,2-oxozaphospholidines
    4.
    发明授权
    Compositions stabilized with 3H-1,3,2-oxozaphospholidines 失效
    用3H-1,3,2-氧杂氮杂环丁烷稳定的组合物

    公开(公告)号:US5147910A

    公开(公告)日:1992-09-15

    申请号:US764262

    申请日:1991-09-23

    IPC分类号: C07F9/6584 C08K5/5399

    CPC分类号: C07F9/65844 C08K5/5399

    摘要: Substituted 3H-1,3,2-oxazaphospholidines of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4 and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.

    摘要翻译: 取代的式I的3H-1,3,2-氧杂氮杂吗啉其中R 1,R 2,R 3和R 4独立地为氢,烷基,环烷基,苯基烷基或芳基,n为1至4,T为正 - 价钱的脂肪族或芳族烃基可有效地稳定有机材料以抵抗氧,热和/或光化辐射的有害影响。

    Decomposing polymers using NOR-HALS compounds
    5.
    发明授权
    Decomposing polymers using NOR-HALS compounds 有权
    使用NOR-HALS化合物分解聚合物

    公开(公告)号:US6133414A

    公开(公告)日:2000-10-17

    申请号:US202357

    申请日:1998-12-14

    摘要: A method is described for the decomposition of polymers, especially waste plastics and used plastics, in which so-called NOR--HALS compounds--that is, for example, compounds comprising the group ##STR1## in which R* is C.sub.1 -C.sub.20 alkyl, OH-substituted C.sub.1 -C.sub.20 alkyl, optionally C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.12 cycloalkyl or O- or S-interrupted C.sub.2 -C.sub.20 alkyl--are added and heating is carried out at temperatures which lie above the customary processing temperatures for polymers (280.degree. C. or more).

    摘要翻译: PCT No.PCT / EP97 / 03133 Sec。 371 1998年12月14日第 102(e)1998年12月14日PCT PCT 1997年6月17日PCT公布。 出版物WO97 / 49737 日期1997年12月31日描述了用于分解聚合物,特别是废塑料和废塑料的方法,其中所谓的NOR-HALS化合物 - 例如包括其中R *是C 1 -C 20烷基的基团的化合物 ,OH取代的C 1 -C 20烷基,任选地C 1 -C 4烷基取代的C 5 -C 12环烷基或O-或S-间断的C 2 -C 20烷基 - 并且在高于常规加工温度的聚合物的温度下进行加热(280℃ 。 或者更多)。