Polyphenols containing mesogenic moieties as lateral substituents
    3.
    发明授权
    Polyphenols containing mesogenic moieties as lateral substituents 失效
    含有介晶部分作为侧向取代基的多酚

    公开(公告)号:US5612479A

    公开(公告)日:1997-03-18

    申请号:US291969

    申请日:1994-08-17

    CPC分类号: C08L79/04 C08G73/0655

    摘要: Novel polycyanate compositions containing one or more mesogenic moieties as lateral substituents are disclosed which provide improved processability relative to polycyanates containing one or more mesogenic moieties in the main chain of the molecule. Molecular level ordering of the resulting thermosets is maintained much similar to that found thermosets of polycyanates which have one or more mesogenic moieties in the main chain.

    摘要翻译: 公开了含有一个或多个介晶部分作为侧向取代基的新型聚氰酸酯组合物,其相对于在分子主链中含有一个或多个介晶部分的聚氰酸酯提供了改进的加工性能。 所得热固性材料的分子水平排列保持非常类似于在主链中具有一个或多个介晶部分的聚氰化物的热固性物质。

    Diamino-alpha-alkylstilbenes
    7.
    发明授权
    Diamino-alpha-alkylstilbenes 失效
    二氨基-α-烷基芪

    公开(公告)号:US5414125A

    公开(公告)日:1995-05-09

    申请号:US97346

    申请日:1993-07-23

    摘要: A diamino-alpha-alkylstilbene useful as an epoxy resin curing agent is represented by the following Formula I: ##STR1## wherein R is independently hydrogen, a C.sub.1 -C.sub.10 hydrocarbyl(oxy) group or a halogen, nitro, nitrile, phenyl or --CO--R.sup.1 group wherein R.sup.1 is independently hydrogen or a C.sub.1 -C.sub.3 hydrocarbyl group; each R.sup.4 is independently hydrogen or a C.sub.1 -C.sub.10 hydrocarbyl group; and Y is a ##STR2## group wherein n=0 or 1.

    摘要翻译: 用作环氧树脂固化剂的二氨基-α-烷基芪可用下式I表示:式Ⅰ其中R独立地是氢,C1-C10烃基(氧基)或卤素,硝基,腈,苯基 或-CO-R 1基团,其中R 1独立地是氢或C 1 -C 3烃基; 每个R 4独立地是氢或C 1 -C 10烃基; 而Y是a

    Nitro group terminated mesogenic epoxy resin adducts
    9.
    发明授权
    Nitro group terminated mesogenic epoxy resin adducts 失效
    硝基组终止介晶环氧树脂加合物

    公开(公告)号:US5298575A

    公开(公告)日:1994-03-29

    申请号:US982804

    申请日:1992-11-30

    摘要: Adducts containing terminating nitro (nitroso) groups and one or more mesogenic moieties are prepared by reacting (A) at least one compound containing an average of more than one vicinal epoxide group per molecule with (B) at least one compound containing one or more nitro (nitroso) groups and an average of one reactive hydrogen atom per molecule; with the proviso that at least one member of components (A) and (B) contains a mesogenic moiety. Reduction of these adducts provides amines which are useful as curing agents for epoxy resins.

    摘要翻译: 含有末端硝基(亚硝基)基团和一个或多个介晶部分的加合物通过使(A)至少一种每分子含有多于一个邻位环氧基团的化合物与(B)至少一种含有一个或多个硝基 (亚硝基)基团,每个分子平均有一个反应性氢原子; 条件是组分(A)和(B)的至少一个成员含有介晶部分。 这些加合物的还原提供了可用作环氧树脂固化剂的胺。