Asymmetric epoxides, their synthesis and use
    2.
    发明授权
    Asymmetric epoxides, their synthesis and use 失效
    不对称环氧化物,它们的合成和用途

    公开(公告)号:US06228955B1

    公开(公告)日:2001-05-08

    申请号:US08953946

    申请日:1997-10-20

    IPC分类号: C08F28304

    摘要: A process for preparing an optically-enriched chiral epoxide of formula I wherein R1, R2 and R3 are each independently selected from H, R, R—CO— and R—O—CO—, each R independently being substantially a hydrocarbon group of up to 20 carbon atoms, and X is an alkyl or cycloalkyl group of up to 10 carbon atoms, provided that —CO—X is not enolisable, which comprises the asymmetric epoxidation of a corresponding prochiral alkene of formula II R1R2C═CR3—CO—X  (II) by reaction with an oxidant in the presence of a chiral catalyst. Many optically-enriched epoxides (I) are novel.

    摘要翻译: 制备式I的光学富集手性环氧化物的方法,其中R1,R2和R3各自独立地选自H,R,R-CO-和RO-CO-,每个R独立地基本上是至多20个碳的烃基 原子,X是至多10个碳原子的烷基或环烷基,条件是-CO-X不是可烯化的,其包括在手性存在下与氧化剂反应的相应的式II的前手性烯的不对称环氧化 催化剂。 许多光学富集的环氧化物(I)是新颖的。

    Photoimageable, aqueous acid soluble polyimide polymers

    公开(公告)号:US06559245B2

    公开(公告)日:2003-05-06

    申请号:US10038270

    申请日:2002-01-03

    IPC分类号: C08F28304

    摘要: A photoimageable, aqueous acid soluble polyimide polymer comprising an anhydride, including a substituted benzophenone nucleus, a diamine reacted with the anhydride to form a photosensitive polymer intermediate, and at least 60 Mole % of solubilizing amine reacted with the photosensitive polymer intermediate to form the photoimageable, aqueous acid soluble polyimide polymer. An emulsion for electrophoretic deposition of a coating of a photoimageable, aqueous acid soluble polyimide polymer comprises a dispersed phase, including the photoimageable aqueous acid soluble polyimide polymer, dissolved in an organic solvent and a dispersion phase including a coalescence promoter and water. The emulsion may be applied, by electrophoretic deposition, to a conductive structure to provide a photoimageable coating on the conductive structure. After exposing the coating to a pattern of radiation for photocrosslinking exposed parts of the photoimageable aqueous acid soluble polyimide polymer, an aqueous acid developer solution removes unexposed photoimageable aqueous acid soluble polyimide polymer to reveal a crosslinked polyimide polymer image of the radiation pattern.

    Polymide/polyarylate resin composition and molded product thereof
    5.
    发明授权
    Polymide/polyarylate resin composition and molded product thereof 失效
    聚酰亚胺/聚芳酯树脂组合物及其模塑制品

    公开(公告)号:US06610794B1

    公开(公告)日:2003-08-26

    申请号:US09857430

    申请日:2001-09-20

    IPC分类号: C08F28304

    摘要: A resin composition comprising: a polyimide comprising a recurring unit represented by the following formula (1):  wherein Ar0 is an aromatic hydrocarbon group having 6 to 15 carbon atoms, and R1 is at least one group selected from the group consisting of the divalent residual group obtained by removing two amino groups from an aliphatic diamine having 2 to 30 carbon atoms and the divalent residual group obtained by removing two amino groups from an alicyclic diamine having 4 to 30 carbon atoms, and a polyarylate or polyester carbonate. This resin composition has excellent heat resistance, dimensional stability and transparency. Particularly, the resin composition having excellent transparency is advantageously used as a molded product such as a flexible printed board.

    摘要翻译: 1.一种树脂组合物,其含有:含有下述式(1)所示的重复单元的聚酰亚胺:其中,Ar 0为碳原子数为6〜15的芳香族烃基,R 1为选自二价残基 通过从具有2至30个碳原子的脂族二胺除去两个氨基而获得的基团和通过从具有4至30个碳原子的脂环族二胺除去两个氨基获得的二价残基,以及多芳基化合物或聚酯碳酸酯。该树脂组合物具有 优异的耐热性,尺寸稳定性和透明度。 特别地,具有优异透明性的树脂组合物有利地用作诸如柔性印刷板的模制产品。

    Composites from blends of advanced oligomers
    7.
    发明授权
    Composites from blends of advanced oligomers 失效
    先进低聚物的混合物的复合材料

    公开(公告)号:US06569954B1

    公开(公告)日:2003-05-27

    申请号:US08477560

    申请日:1995-06-07

    IPC分类号: C08F28304

    摘要: The physical properties of high performance composites can be tailored by using blends to make the composites. The resulting composites are relatively easy to make and have long-term, high performance capabilities even in harsh service conditions. The blends of the present invention include at least one oligomer having an aromatic, aliphatic, or mixed aromatic and aliphatic backbone from one chemical family and an unsaturated hydrocarbon end cap and at least one polymer from a different chemical family. Upon curing, the oligomer in the blend addition polymerize to form composites possessing advanced properties with respect to those exhibited by the pure oligomer or the pure polymer. Coreactive oligomer blends can be used instead of a pure oligomer to form composites that include addition polymers, block copolymers, and the compatible polymer, thereby further achieving a tailoring of properties in the cured composite. The blends can be prepregged and cured to form composites.

    摘要翻译: 高性能复合材料的物理性能可以通过使用混合物来制作复合材料。 所得到的复合材料相对容易制造,并且即使在苛刻的使用条件下也具有长期,高性能的能力。 本发明的共混物包括至少一种低聚物,其具有来自一个化学族和不饱和烃端帽的芳族,脂族或混合芳族和脂族主链和至少一种不同化学族的聚合物。 固化后,混合物中的低聚物加成聚合形成复合材料,其具有与纯低聚物或纯聚合物所显示的相似的先进性能。 可以使用核心低聚物共混物来代替纯低聚物以形成包括加成聚合物,嵌段共聚物和相容性聚合物的复合材料,从而进一步实现固化复合材料中的性能的定制。 可以预混合并固化共混物以形成复合材料。

    Highly branched oligomers, process for their preparation and applications thereof
    8.
    发明授权
    Highly branched oligomers, process for their preparation and applications thereof 失效
    高支化低聚物,其制备方法和应用

    公开(公告)号:US06288208B1

    公开(公告)日:2001-09-11

    申请号:US09295320

    申请日:1999-04-20

    申请人: Leonid Moshinsky

    发明人: Leonid Moshinsky

    IPC分类号: C08F28304

    摘要: The present invention relates to a highly branched polyamide oligomer of the general formula (I) as hereinabove defined, to the process for preparing and branched oligomers and to different uses thereof. As well known to the man skilled in the art, the implementations and efficacy of the different polyamide oligomers may vary, depending on their structure and valency (reactive groups composition). Polyamide oligomers may be used, for example, as epoxy hardeners in the preparation of thermosetting compositions, as thermoplastic hot melt adhesives, as adhesion promoters and many other suitable applications. The highly branched oligomers disclosed have been shown to be highly efficient, for example, as epoxy hardeners, inter alia, in the formation of glue, lacquer, enamel or sealant mixtures.

    摘要翻译: 本发明涉及如上定义的通式(I)的高支化聚酰胺低聚物,其制备方法和支链低聚物及其不同用途。 如本领域技术人员所熟知的,不同聚酰胺低聚物的实施方案和功效可根据其结构和化合价(反应性组成)而变化。 聚酰胺低聚物可用作例如热固性组合物的环氧硬化剂,作为热塑性热熔粘合剂,作为粘合促进剂和许多其它合适的应用。 所公开的高支化低聚物已被证明是高效的,例如,作为环氧硬化剂,尤其是形成胶,漆,搪瓷或密封剂混合物。

    Coating composition
    9.
    发明授权
    Coating composition 失效
    涂料组成

    公开(公告)号:US06703452B2

    公开(公告)日:2004-03-09

    申请号:US10007353

    申请日:2001-11-09

    申请人: Gia Huynh-Ba

    发明人: Gia Huynh-Ba

    IPC分类号: C08F28304

    摘要: The present invention relates to coating compositions which can be used as the clear coat for automotive finishing or refinishing, the coating composition containing a film-forming binder which contains (A) hydroxyl-containing acrylic polymer and polyhydroxyl-tertiary amine, (B) organic polyisocyanate, and (C) catalyst, to provide a coating film which is quick to cure at ambient temperature.

    摘要翻译: 本发明涉及可用作汽车整理或修补的透明涂层的涂料组合物,该涂料组合物含有含有(A)含羟基的丙烯酸聚合物和多羟基叔胺的成膜粘合剂,(B)有机 多异氰酸酯和(C)催化剂,以提供在环境温度下快速固化的涂膜。