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    • 83. 发明申请
    • Thermoplastic resin composition and shaped article
    • 热塑性树脂组合物和成型制品
    • US20050032961A1
    • 2005-02-10
    • US10896282
    • 2004-07-22
    • Toshio OguniHiroshi Sagane
    • Toshio OguniHiroshi Sagane
    • C08L101/00B29C39/00C08F8/00C08K3/34C08K5/49C08K7/10C08L67/00C08L69/00C08L77/00
    • C08F8/00
    • A resin composition comprises 1 to 60 parts by weight of a wollastonite fiber (in which the number-average fiber length is 1 to 30 μm, the number-average fiber diameter is 0.1 to 10 μm, and the proportion of the number of a fiber having a fiber length of 5 to 25 μm relative to the total number of the fiber is 20 to 75%) and 0.1 to 20 parts by weight of an acid- or epoxy-modified olefinic resin having a melting point of 100 to 170° C., relative to 100 parts by weight of a thermoplastic resin (e.g., a polycarbonate-series resin). The weight-average molecular weight of the modified olefinic resin may be about 2.5×104 to 30×104. The resin composition may comprise a flame retardant. The combination use of the wollastonite fiber and the modified olefinic resin improves heat resistance, impact resistance and weld strength, even in the case of using a wollastonite fiber having a number-average fiber diameter of about 4 to 7 μm and an average aspect ratio of about 1.5 to 3. The present invention provides a thermoplastic resin composition for improving the impact resistance, weld strength and surface property without deteriorating the heat resistance.
    • 树脂组合物包含1〜60重量份的硅灰石纤维(数均纤维长度为1〜30μm,数均纤维直径为0.1〜10μm,纤维数的比例 相对于纤维总数为5〜25μm的纤维长度为20〜75%)和0.1〜20重量份的熔点为100〜170℃的酸性或环氧改性的烯烃树脂 相对于100重量份的热塑性树脂(例如,聚碳酸酯系树脂)。 改性烯烃树脂的重均分子量可以为约2.5×10 4至30×10 4。 树脂组合物可以包含阻燃剂。 硅灰石纤维和改性烯烃树脂的组合使用提高耐热性,耐冲击性和焊接强度,即使使用数均纤维直径为约4〜7μm的硅灰石纤维,平均长径比为 约1.5至3.本发明提供一种用于在不降低耐热性的情况下提高耐冲击性,焊接强度和表面性能的热塑性树脂组合物。
    • 84. 发明授权
    • Preparation of thermoplastic nanocomposite
    • 热塑性纳米复合材料的制备
    • US06136908A
    • 2000-10-24
    • US334681
    • 1999-06-17
    • Chien-Shiun LiaoWen-Faa KuoLi Kuei Lin
    • Chien-Shiun LiaoWen-Faa KuoLi Kuei Lin
    • C08K7/10C08K9/04C08K3/36
    • C08K9/04C08K7/10
    • A method for producing a thermoplastic nanocomposite is disclosed. The method comprises the steps of: (a) contacting a swellable layered silicate with a polymerizable aminoaryl lactam monomer to achieve intercalation of said lactam monomer between adjacent layers of said layered silicate; and (b) admixing the intercalated layered silicate with a thermoplastic polymer, and heating the admixture to provide for flow of said polymer and polymerization of the intercalated lactam monomer to cause exfoliation of said layered silicate, thereby forming a thermoplastic nanocomposite having exfoliated silicate layers dispersed in a thermoplastic polymer matrix.
    • 公开了一种生产热塑性纳米复合材料的方法。 该方法包括以下步骤:(a)使可溶胀的层状硅酸盐与可聚合的氨基芳基内酰胺单体接触,以实现所述层状硅酸盐的相邻层之间所述内酰胺单体的嵌入; 和(b)将嵌入的层状硅酸盐与热塑性聚合物混合,加热混合物以提供所述聚合物的流动并插入的内酰胺单体的聚合以引起所述层状硅酸盐的剥离,由此形成具有分散的硅酸盐层的热塑性纳米复合材料 在热塑性聚合物基质中。