Thermoplastic polyimide, polyamide acid, and thermally fusible laminated
film for covering conductive wires
    1.
    发明授权
    Thermoplastic polyimide, polyamide acid, and thermally fusible laminated film for covering conductive wires 失效
    热塑性聚酰亚胺,聚酰胺酸和用于覆盖导电线的热熔层叠膜

    公开(公告)号:US5668247A

    公开(公告)日:1997-09-16

    申请号:US167024

    申请日:1993-12-16

    摘要: The invention provides novel thermoplastic polyimide featuring solid adhesive property under low temperature, low hygroscopic coefficient, and solid resistivity to radioactive rays. The invention also provides novel polyamide acid which is substantially precursor of the thermoplastic polyimide, and also provides novel thermally fusible laminated film for covering conductive wires, featuring solid adhesive property under low temperature, solid resistivity to radioactive rays, and distinct suitability for covering superconductive wires in particular.The novel thermoplastic polyimide is represented by general formula (1) corresponding to the chemical structure shown below; ##STR1## wherein, Ar.sub.1, Ar.sub.2, Ar.sub.4, and Ar.sub.6, respectively designate divalent organic radical, whereas Ar.sub.3 and Ar.sub.5 respectively designate quadrivalent organic radical, wherein, 1, m, and n, respectively designate positive integer 0 to 1 or more than 1, wherein the sum of 1 and m aggregates 1 or more than 1, and wherein t designates positive integer of 1 or more than 1.

    摘要翻译: 本发明提供了新型热塑性聚酰亚胺,其在低温下具有固体粘合性,低吸湿系数和对放射线的固体电阻率。 本发明还提供了基本上是热塑性聚酰亚胺前体的新型聚酰胺酸,并且还提供了用于覆盖导电线的新型热熔性层压膜,其特征在于在低温下具有固体粘合性,对放射线具有固体电阻率,并且具有明显的适用于覆盖超导线 尤其是。 新型热塑性聚酰亚胺由对应于下述化学结构的通式(1)表示; 其中,Ar1,Ar2,Ar4和Ar6分别表示二价有机基团,Ar3和Ar5分别表示四价有机基团,其中,1,m和n分别表示 正整数0至1或大于1,其中1和m的和聚合1或大于1,其中t表示1或大于1的正整数。

    Polyimide composition and process for producing the same
    7.
    发明授权
    Polyimide composition and process for producing the same 有权
    聚酰亚胺组合物及其制备方法

    公开(公告)号:US06307002B1

    公开(公告)日:2001-10-23

    申请号:US09436359

    申请日:1999-11-09

    IPC分类号: C08G7310

    CPC分类号: G03F7/0387 C08G73/1025

    摘要: A polyimide represented by the following general formula (1); wherein l, m, and n represent not the order of each repeating unit, but the numbers of each repeating unit existing in the molecule, E1 is a photosensitive group, E2 is a group comprising an alkyl group having 2 to 20 carbon atoms, —A(—E1)—, —A(—E2)—, and B each are a divalent organic group, X and Y each are a tetravalent organic group, X, Y, A, B, E1 and E2 may be identical or different among the repeating units, 1 is an integer of 1 or more, m and n each are an integer of 0 or more. The polyimide and polyimide compositions comprising it has thermoreactivity as well as photoreactivity and photosensitivity.

    摘要翻译: 由以下通式(1)表示的聚酰亚胺:其中l,m和n不是每个重复单元的顺序,而是分子中存在的每个重复单元的数目,E1是光敏基团,E2是基团 包括具有2至20个碳原子的烷基,-A(-E1) - , - A(-E2) - 和B各自为二价有机基团,X和Y各自为四价有机基团,X,Y, A,B,E1和E2可以在重复单元中相同或不同,1为1以上的整数,m和n各自为0以上的整数。 包含它的聚酰亚胺和聚酰亚胺组合物具有热反应性以及光反应性和光敏性。

    Surface light emitting device
    9.
    发明授权
    Surface light emitting device 失效
    表面发光装置

    公开(公告)号:US06601962B1

    公开(公告)日:2003-08-05

    申请号:US09567428

    申请日:2000-05-10

    IPC分类号: F21V800

    CPC分类号: G02B6/0016 G02B6/002

    摘要: An surface light emitting device that is capable of emitting light of high luminance with higher uniformity is disclosed. The surface light emitting device comprising; a light guide plate, a reflector on the under surface of the light guide plate and, an LED light source having at least one LED element and provided so that a light emitted by the LED element is incident on at least one end face of the light guide plate, wherein the light guide plate has a light diffusing portion on the one end face so that a light emitted from the LED light source enters the light guide plate while being diffused therein, and the light diffusing portion has the top end being space from the top surface.

    摘要翻译: 公开了能够以更高的均匀性发射高亮度的光的面发光器件。 导光板,导光板的下表面上的反射器和具有至少一个LED元件的LED光源,并且被设置为使得由LED元件发射的光入射到光的至少一个端面上 导光板,其中所述导光板在所述一个端面上具有光漫射部分,使得从所述LED光源发射的光在其中扩散时进入所述导光板,并且所述光扩散部分的顶端与 顶面。

    Epoxy-terminated polyamide, adhesive made therefrom and methods for
producing them
    10.
    发明授权
    Epoxy-terminated polyamide, adhesive made therefrom and methods for producing them 失效
    环氧封端的聚酰胺,由其制成的粘合剂及其制备方法

    公开(公告)号:US5726281A

    公开(公告)日:1998-03-10

    申请号:US315250

    申请日:1994-09-29

    摘要: An epoxy-terminated polyamide having the following structure: ##STR1## where each of R.sub.1, R.sub.2, and R.sub.3 is a divalent organic group, and each of n and m is a natural number, and an adhesive containing the above epoxy-terminated polyamide, an epoxy resin and a curing agent. The epoxy-terminate polyamide is well compatible with epoxy resins and an adhesive containing the same is excellent in adhesiveness and thermal resistance.

    摘要翻译: 具有以下结构的环氧基封端的聚酰胺:其中R 1,R 2和R 3各自为二价有机基团,n和m各自为自然数,并且含有上述的粘合剂 环氧基封端的聚酰胺,环氧树脂和固化剂。 环氧树脂封端的聚酰胺与环氧树脂很好地相容,并且含有它的粘合剂具有优异的粘合性和耐热性。