1,3-Adamantylene-bis-trimellitate dianhydrides
    21.
    发明授权
    1,3-Adamantylene-bis-trimellitate dianhydrides 失效
    1,3-亚麻基 - 双偏苯三酸酯二酐

    公开(公告)号:US3976665A

    公开(公告)日:1976-08-24

    申请号:US597339

    申请日:1975-07-21

    CPC classification number: C07D307/89 C08G73/16

    Abstract: Novel dianhydrides derived from trimellitic anhydride and adamantane diacetates are polymerized with a diamine to produce the corresponding polyamide, which is subsequently converted to the polyesterimide by heat treatment at temperatures above 500.degree.F.

    Abstract translation: 衍生自偏苯三酸酐和金刚烷二乙酸酯的新型二酐与二胺聚合以产生相应的聚酰胺,随后通过在高于500°F的温度下热处理将其转化为聚酯酰亚胺。

    Carbamates of beta-hydroxyethylsulfoxides
    25.
    发明授权
    Carbamates of beta-hydroxyethylsulfoxides 失效
    β-羟乙基亚砜的氨基甲酸酯

    公开(公告)号:US4555350A

    公开(公告)日:1985-11-26

    申请号:US642552

    申请日:1984-08-20

    Inventor: Ellis K. Fields

    CPC classification number: C10M135/08 C10M2219/0406 C10N2240/08 Y10S507/938

    Abstract: Carbamates of beta- hydroxyethylsulfoxides which are useful as cosurfactants in enhanced oil recovery, surfactants and biocides, and as hydraulic fluids when of sufficiently low molecular weight.

    Abstract translation: 可用作增强油采收中的辅助表面活性剂,表面活性剂和杀生物剂的β-羟乙基亚砜的氨基甲酸酯,当分子量足够低时可用作液压油。

    Dianhydrides and polyimides
    26.
    发明授权
    Dianhydrides and polyimides 失效
    酸酐和聚酰亚胺

    公开(公告)号:US4507186A

    公开(公告)日:1985-03-26

    申请号:US387046

    申请日:1982-06-10

    Abstract: Novel polyimides, copolyimides and molding compositions are prepared from novel dianhydrides such as bicyclo[4.2.0]octane-2,5 diphenyl-7,8-dimethyl,3,4,7,8-tetracarboxylic dianhydride and bicyclo[4.2.0] octane-7,8-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride. The novel polyimides are useful as engineering plastics. The novel dianhydrides are useful for the preparation of the polyimides.

    Abstract translation: 新型聚酰亚胺,共聚酰亚胺和成型组合物由新型二酐如双环[4.2.0]辛烷-2,5-二苯基-7,8-二甲基,3,4,7,8-四羧酸二酐和双环[4.2.0] 辛烷-7,8-二甲基-3,4,7,8-四羧酸二酐。 新型聚酰亚胺可用作工程塑料。 新型二酐可用于制备聚酰亚胺。

    Poly sulfoxides from 1,3,4-thiadiazole-2,5-dithiol
    27.
    发明授权
    Poly sulfoxides from 1,3,4-thiadiazole-2,5-dithiol 失效
    来自1,3,4-噻二唑-2,5-二硫醇的聚亚砜

    公开(公告)号:US4432847A

    公开(公告)日:1984-02-21

    申请号:US709780

    申请日:1976-07-29

    Inventor: Ellis K. Fields

    Abstract: Poly sulfoxides of the general formula ##STR1## where each R is a monovalent aliphatic radical bound to a sulfoxy group. Each R is defined as being individually selected from the group consisting of ##STR2## wherein R', R" and R"' are individually selected from the group consisting of alkyl moieties containing 1 to 22 carbon atoms, and aralkyl moieties, alkylated aryl moieties, heterocyclic alkyl moieties, cycloalkyl moieties containing 4 to 40 carbon atoms wherein the said moieties are joined to the sulfoxy group through the alkyl chain, the said moieties being unsubstituted and substituted, said substitutions being individually selected from the group consisting of halogen moieties, nitro moieties, alkoxy moieties, alkyl moieties, and dialkylamino moieties.

    Abstract translation: 具有通式的聚亚砜,其中每个R是与磺氧基结合的一价脂族基团。 每个R定义为分别选自由下列组成的组:其中R',R“和R”'分别选自含有1至22个碳原子的烷基部分, 和芳烷基部分,烷基化芳基部分,杂环烷基部分,含有4至40个碳原子的环烷基部分,其中所述部分通过烷基链连接到磺氧基,所述部分是未取代的和取代的,所述取代分别选自 由卤素部分,硝基部分,烷氧基部分,烷基部分和二烷基氨基部分组成的组。

    Adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins
    29.
    发明授权
    Adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins 失效
    1-环己烯-1,2-二羧酸酐与烯烃的加合物

    公开(公告)号:US4371701A

    公开(公告)日:1983-02-01

    申请号:US330154

    申请日:1981-12-14

    CPC classification number: C10L1/2222 C07C61/13 C07C61/135 Y02P20/582

    Abstract: Disclosed are adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins and preparation thereof by reacting an olefinically unsaturated compound and 1-cyclohexene-1,2-dicarboxylic anhydride using actinic radiation as an energy source at a temperature of from -30.degree. C. to 150.degree. C., preferably at from about 25.degree. C. to 100.degree. C. Derivatives of these compounds are useful as rust inhibitors in gasoline.

    Abstract translation: 公开了1-环己烯-1,2-二羧酸酐与烯烃的加合物,其通过使用光化辐射作为能量源的烯属不饱和化合物和1-环己烯-1,2-二羧酸酐在-30℃的温度下反应 ℃至150℃,优选约25℃至100℃。这些化合物的衍生物可用作汽油中的防锈剂。

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