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    • 6. 发明授权
    • Method for making a conductive thermoplastic composition
    • 制备导电热塑性组合物的方法
    • US07241403B2
    • 2007-07-10
    • US10250023
    • 2003-05-29
    • Robert HossanSai-Pei Ting
    • Robert HossanSai-Pei Ting
    • C08J3/22C08K3/04C08L71/00C08G69/26H01B1/24
    • C08L77/06C08J3/226C08J2371/12C08J2477/00C08K3/04C08L71/12C08L71/123C08L77/00C08L77/02C08L2205/02C08L2205/03C08L2666/20C08L2666/22C08L2666/14
    • PROBLEM TO BE SOLVED: To provide a production method for a thermoplastic resin composition, composed of a polyphenylene ether and a polyamide, having an electric conductivity, and excellent in balance of fluidity and impact strength, by producing with a specific process, and to provide the thermoplastic resin composition obtained thereby.SOLUTION: The thermoplastic resin composition is composed of the following component (A)-(E), wherein a weight ratio of (A)/(B) is 5/95-70/30, an amount of (C) is effective to phase-solvate (A) and (B), the amount of (D) is 0.8-10 pts.wt. per the total 100 pts.wt. of (A) and (B), and the amount of component (E) is 5-40 pts.wt. per the total 100 pts.wt. of (A) and (B). The production method for the thermoplastic resin composition is provided. (A): a polyphenylene ether, (B): a polyamide. (C): a phase-solvating agent, (D): an electrically conductive carbon black and/or a fine fibrous carbon, and (E) an improving agent for shock resistance.
    • 要解决的问题:为了提供具有导电性,流动性和冲击强度平衡优异的聚苯醚和聚酰胺的热塑性树脂组合物的制造方法,通过特定方法的制造,提供 由此得到的热塑性树脂组合物。 解决方案:热塑性树脂组合物由以下组分(A) - (E)组成,其中(A)/(B)的重量比为5 / 95-70 / 30,(C)的量对 相溶剂(A)和(B),(D)的量为0.8-10重量份。 总共100 pts.wt。 (A)和(B)的组分(E)的量为5-40重量份。 总共100 pts.wt。 (A)和(B)。 提供了热塑性树脂组合物的制造方法。 (A):聚苯醚,(B):聚酰胺。 (C):相溶剂,(D):导电性炭黑和/或细纤维状碳,(E)耐冲击性改善剂。
    • 8. 发明授权
    • Steam purification of polyimide resins
    • 聚酰亚胺树脂的蒸汽净化
    • US08357773B1
    • 2013-01-22
    • US13286161
    • 2011-10-31
    • Robert R. GallucciRobert HossanDaniel F. Lowery
    • Robert R. GallucciRobert HossanDaniel F. Lowery
    • C08G64/00C08G63/02
    • C08G73/1046C08G73/1003C08G73/1064
    • The disclosure relates to a steam stripping process for producing purified polyimides, e.g., polyetherimide homopolymers and polyetherimide copolymers. The process can include contacting an initial polyimide with steam to remove a volatile species from the initial polyimide to produce a purified polyimide. The purified polyimide can have a weight average molecular weight of from 5,000 to 80,000 Daltons. The weight average molecular weight of the purified polyimide can be greater than or equal to 90% of the weight average molecular weight of the initial polyimide. The purified polyimide can have less than 44 ppm of a volatile species, having a molecular weight of less than 250 Daltons. The polyimide can have less than 10 ppm of a metal cation.
    • 本公开涉及用于生产纯化的聚酰亚胺的蒸汽汽提方法,例如聚醚酰亚胺均聚物和聚醚酰亚胺共聚物。 该方法可以包括使初始聚酰亚胺与蒸汽接触以从初始聚酰亚胺中除去挥发性物质以产生纯化的聚酰亚胺。 纯化的聚酰亚胺可以具有5,000至80,000道尔顿的重均分子量。 纯化的聚酰亚胺的重均分子量可以大于或等于初始聚酰亚胺的重均分子量的90%。 纯化的聚酰亚胺可以具有小于44ppm的分子量小于250道尔顿的挥发性物质。 聚酰亚胺可以具有小于10ppm的金属阳离子。