Polyimide resin composition
    2.
    发明授权
    Polyimide resin composition 失效
    聚酰亚胺树脂组合物

    公开(公告)号:US5494996A

    公开(公告)日:1996-02-27

    申请号:US277568

    申请日:1994-07-20

    CPC分类号: C08L79/08 C08L79/04

    摘要: A polyimide resin composition substantially comprising 1 99.9.about.50 parts by weight of polyimide having recurring structural units of the formula ##STR1## and 2 0.1.about.50 parts by weight of a polyimide which improved melt flowability and is prepared by using 1,3-bis(3-aminophenoxy)benzene or 6,6'-bis(3-aminophenoxy)-3,3,3',3'-tetramethyl-1,1'-spirobiindane as essential diamine component, or polyether pyridine having recurring structural units of the formula: ##STR2## is disclosed. Further, a polyimide based resin composition comprising the polyimide resin composition or a polyimide copolymer obtained by using the above diamines and a fibrous reinforcement is disclosed. These compositions have remarkably good processability, excellent heat stability and repeated fatigue characteristics.

    摘要翻译: 一种聚酰亚胺树脂组合物,其基本上包含+ E,crc / 1 / 99.9差异50重量份具有式(1)的重复结构单元的聚酰亚胺和+ E,crc / 2 / 0.1差异50重量份的 通过使用1,3-双(3-氨基苯氧基)苯或6,6'-双(3-氨基苯氧基)-3,3,3',3'-四甲基-1,1' - 螺环丁烷作为必需二胺组分,或具有下式重复结构单元的聚醚吡啶:。 此外,公开了一种聚酰亚胺系树脂组合物,其包含使用上述二胺和纤维增强剂而得到的聚酰亚胺树脂组合物或聚酰亚胺共聚物。 这些组合物具有非常好的加工性能,优异的热稳定性和重复的疲劳特性。

    Aromatic diamine intermediates useful in the preparation of polyimides
    4.
    发明授权
    Aromatic diamine intermediates useful in the preparation of polyimides 失效
    用于制备聚酰亚胺的芳族二胺中间体

    公开(公告)号:US5354890A

    公开(公告)日:1994-10-11

    申请号:US80772

    申请日:1993-06-24

    摘要: A heat-resistant and thermoplastic polyimide which has low dielectric characteristics and recurring structural units of the following formula: ##STR1## wherein R is a tetravalent radical having from 2 to 27 carbon atoms and selected from the group consisting of an aliphatic radical, alicyclic radical, monoaromatic radical, condensed polyaromatic radical and noncondensed aromatic radical connected each other with a direct bond or a bridge member; aromatic diamines which are useful for the raw material monomers of the polyimide and have following formulas: ##STR2## and a process for preparing the polyimide of the above formula by reacting these aromatic diamines with a tetracarboxylic dianhydride in the presence of an aromatic dicarboxylic anhydride or aromatic monoamine, and successively thermally or chemically imidizing the resultant polyamic acid; are disclosed.

    摘要翻译: 具有低介电特性和具有下式的重复结构单元的耐热热塑性聚酰亚胺:其中R是具有2至27个碳原子并且选自脂族基团的四价基团 ,脂环族基团,单芳族基团,稠合多芳族基团和非缩合芳族基团彼此直接连接或桥接成员; 芳族二胺可用于聚酰亚胺的原料单体,具有以下分子式:< IMAGE>(IA)和< IMAGE>(IB)和通过使这些芳族二胺与四羧酸 二酐在芳族二羧酸酐或芳族单胺的存在下,并依次热或化学酰亚胺化所得聚酰胺酸; 被披露。

    Aromatic dinitro and diamino intermediates
    8.
    发明授权
    Aromatic dinitro and diamino intermediates 失效
    芳香二硝基和二氨基中间体

    公开(公告)号:US5710334A

    公开(公告)日:1998-01-20

    申请号:US453073

    申请日:1995-05-26

    摘要: This invention relates to a novel thermoplastic and amorphous polyimide which is readily soluble in organic solvent, a novel aromatic diamino compound used for the polyimide, a preparation process thereof, a polyimide-based resin composition comprising the thermoplastic polyimide and a fibrous reinforcement, a process for preparing the resin composition, an injection molded article of the resin composition, a polyimide-based composite obtained by molding the above soluble and thermoplastic polyimide in combination with a fibrous reinforcement, and a fibrous reinforcement having a surface modified with the above polyimide. The polyimide comprise a requisite structural unit having one or more recurring structural units of the formula: ##STR1## wherein m and n are individually an integer of 0 or 1, and R is ##STR2## The polyimide of the invention is essentially amorphous, excellent in melt flow stability in the decreased temperature as compared with conventionally known polyimide and has greatly improved processability. The polyimide of the invention obtained by using a novel aromatic diamino compound as a monomer can control various properties such as melt flow ability and solubility in solvents by side chains and not by principal chain of polyimide. Thus, excellent melt flow property and solubility in solvents can be obtained while maintaining high heat resistance and adhesive property which are derived from benzophenone structure of the diamino compound of the the invention.

    摘要翻译: 本发明涉及易溶于有机溶剂的新型热塑性和无定形聚酰亚胺,用于聚酰亚胺的新型芳族二氨基化合物及其制备方法,包含热塑性聚酰亚胺和纤维增强剂的聚酰亚胺基树脂组合物, 用于制备树脂组合物的树脂组合物的注塑制品,通过将上述可溶性和热塑性聚酰亚胺与纤维增强剂组合成型而获得的聚酰亚胺类复合材料和具有用上述聚酰亚胺改性的表面的纤维增强剂。 聚酰亚胺包含必需的结构单元,其具有一个或多个下式的重复结构单元:其中m和n分别为0或1的整数,且R为“无定形”,优异的 与传统已知的聚酰亚胺相比在降低的温度下的熔体流动稳定性,并且具有极大的改进的加工性能。 通过使用新颖的芳族二氨基化合物作为单体获得的本发明的聚酰亚胺可以通过侧链而不是聚酰亚胺的主链来控制各种性能如熔体流动性和在溶剂中的溶解度。 因此,在保持由本发明的二氨基化合物的二苯甲酮结构得到的高耐热性和粘合性的同时,可以获得优异的熔体流动性和溶剂中的溶解性。

    Production process for making aromatic amine resins
    9.
    发明授权
    Production process for making aromatic amine resins 失效
    制备芳香胺树脂的生产工艺

    公开(公告)号:US5145949A

    公开(公告)日:1992-09-08

    申请号:US823478

    申请日:1992-01-22

    IPC分类号: C07C211/50 C08G73/12

    CPC分类号: C08G73/121 C07C211/50

    摘要: Disclosed herein is an aromatic amine resin formed of a mixture of aromatic amine compounds represented by the following general formula (a): ##STR1## wherein A means a phenylene, alkyl-substituted phenylene, diphenylene, diphenyl ether or naphthylenyl group, R.sup.1 denotes a halogen atom or a hydroxyl, C.sub.1-4 alkoxy or C.sub.1-5 alkyl group, l stands for 1 or 2, m is an integer of 0-3, when m is 2 or 3, R.sup.1 s may be the same or different and two of R.sup.1 s may join together into a 5- to 6-membered alicyclic moiety which may optionally contain one or more side chains, and n stands for an integer of 0-300.

    摘要翻译: 本文公开了由以下通式(a)表示的芳族胺化合物的混合物形成的芳香族胺树脂:其中A表示亚苯基,烷基取代的亚苯基,二亚苯基,二苯基醚或萘基, R1表示卤素原子或羟基,C1-4烷氧基或C1-5烷基,l表示1或2,m表示0-3的整数,当m为2或3时,R 1可以相同或不同 并且R 1中的两个可以连接在一起可以任选地含有一个或多个侧链的5-至6-元脂环部分,n表示0-300的整数。