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    • 5. 发明授权
    • Bimolecular nucleation methods for thermoplastics
    • 热塑性塑料的双分子成核方法
    • US07129323B2
    • 2006-10-31
    • US10172338
    • 2002-06-14
    • Darin L. DotsonNathan A. MehlBrian M. BurkhartJiannong Xu
    • Darin L. DotsonNathan A. MehlBrian M. BurkhartJiannong Xu
    • C08K5/098C08K3/22
    • C08K5/0083C08J3/201C08J2323/10C08K5/098
    • Specific methods of inducing high nucleation rates in thermoplastics, such as polyolefins, and particularly, though not necessarily, polypropylenes, through the introduction of two different compounds that are substantially soluble within the target molten thermoplastic resin (such as, as one non-limiting example, an added compound including at least one acid group and an added organic salt) are provided. Such introduced components react to form a nucleating agent in situ within such a target molten thermoplastic resin which is then allowed to cool. Preferably, one compound is an acid, preferably bicyclic (i.e., two cyclic systems sharing at least three carbon atoms) or monocycloaliphatic (i.e., a single, saturated ring system) in nature, such as, without limitation, bicyclo[2.2.1]heptane dicarboxylic acid or hexahydrophthalic acid, and the other compound is an organic salt, such as a carboxylate, sulfonate, phosphate, oxalate, and the like, and more preferably selected from the group consisting of metal C8–C22 esters. Such a production method thus provides a manner of generating in Situ the desired nucleating agent through reaction of such soluble compounds. Kits (e.g., masterbatch methods, for example) comprising such components for easy introduction within target molten polyolefin resins are also contemplated within this invention.
    • 通过引入基本上可溶于目标熔融热塑性树脂的两种不同的化合物(例如作为一个非限制性实例),在热塑性塑料如聚烯烃,特别是但不一定是聚丙烯中诱导高成核速率的具体方法 ,含有至少一个酸基和添加的有机盐的添加化合物)。 这种引入的组分反应以在这样的目标熔融热塑性树脂中就地形成成核剂,然后使其冷却。 优选地,一种化合物在本质上是酸,优选双环(即,共享至少三个碳原子的两个环状体系)或单环脂族(即单个饱和环系),例如但不限于双环[2.2.1] 庚烷二羧酸或六氢邻苯二甲酸,另一种化合物为有机盐,如羧酸盐,磺酸盐,磷酸盐,草酸盐等,更优选选自金属C 8 -C 22酯。 因此,这种制备方法提供了通过这些可溶性化合物的反应原位产生所需成核剂的方式。 在本发明中也考虑了包含这些组分以用于在目标熔融聚烯烃树脂内容易引入的组分(例如,母料方法)。
    • 9. 发明申请
    • LIQUID DISPERSION AND THERMOPLASTIC COMPOSITIONS COMPRISING THE SAME
    • 液体分散体和包含该液体的热塑性组合物
    • US20100224825A1
    • 2010-09-09
    • US12711804
    • 2010-02-24
    • Christopher T. KochanowiczJiannong Xu
    • Christopher T. KochanowiczJiannong Xu
    • C09K3/00
    • C08K5/0083C08K5/01C08K5/1575C08L23/10
    • An additive composition comprises a liquid medium and a clarifying agent. The liquid medium is either a liquid hydrocarbon or a surfactant having an HLB of about 6 or less. The clarifying agent is dispersed in the liquid medium. In certain particular embodiments, the additive composition comprises both the liquid hydrocarbon and the surfactant, with the liquid hydrocarbon providing the medium for the additive composition. A thermoplastic polymer composition comprises a thermoplastic polymer and an additive composition of the invention. A method for producing a thermoplastic polymer composition comprises the steps of providing a thermoplastic polymer, providing an additive composition, and mixing the thermoplastic polymer and the additive composition to produce the thermoplastic polymer composition.
    • 添加剂组合物包含液体介质和澄清剂。 液体介质是液体烃或HLB约为6或更小的表面活性剂。 澄清剂分散在液体介质中。 在某些具体实施方案中,添加剂组合物包含液态烃和表面活性剂,液体烃提供添加剂组合物的介质。 热塑性聚合物组合物包含本发明的热塑性聚合物和添加剂组合物。 一种制备热塑性聚合物组合物的方法包括提供热塑性聚合物,提供添加剂组合物和混合热塑性聚合物和添加剂组合物以制备热塑性聚合物组合物的步骤。