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    • 2. 发明申请
    • A POLYPROPYLENE COMPOSITION, A METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM
    • 聚丙烯组合物,其制造方法及其制造方法
    • US20100048792A1
    • 2010-02-25
    • US12532346
    • 2008-02-27
    • Malcolm F. FinlaysonBrian W. WaltherTodd A. HoganStephen M. HoenigKim L. Walton
    • Malcolm F. FinlaysonBrian W. WaltherTodd A. HoganStephen M. HoenigKim L. Walton
    • C08K3/26C08L23/12C08L23/08C08K3/34C08F8/34
    • C08L23/10C08K3/013C08K5/0083C08K5/43C08L21/00C08L23/0815C08L2023/44C08L2666/06C08L2666/04
    • The instant invention is a polypropylene composition, a method of producing the same, and articles made therefrom. The polypropylene composition according to instant invention includes the reactive melt blending product of a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, a coupling agent, and optionally a filler. The polypropylene composition according to instant invention has a melt flow rate in the range of less than 1 g/10 minutes measured at 230° C. under a load of 2.16 kg in accordance with ASTM-D 1238. The method of producing a polypropylene composition according to instant invention includes the following steps: (1) reactive melt blending a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, and optionally a filler in the presence of a coupling agent; and (2) thereby producing the polypropylene composition having a melt flow rate in the range of less than 1 g/10 minutes measured at 230° C. under a load of 2.16 kg in accordance with ASTM-D 1238. The articles according to instant invention include the inventive polypropylene composition including the reactive melt blending product of a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, a coupling agent, and optionally a filler.
    • 本发明是聚丙烯组合物,其制造方法和由其制成的制品。 根据本发明的聚丙烯组合物包括具有至少64%的结晶度的高结晶聚丙烯的反应性熔融共混产物,弹性体,偶联剂和任选的填料。 根据本发明的聚丙烯组合物根据ASTM-D 1238,在230℃,2.16kg负荷下测量的熔体流动速率在小于1g / 10分钟的范围内。制备聚丙烯组合物的方法 根据本发明包括以下步骤:(1)在偶联剂存在下,反应性熔体共混结晶度至少为64%的高结晶聚丙烯,弹性体和任选的填料; 根据ASTM-D 1238,在230℃,2.16kg负荷下测定熔体流动速率在小于1g / 10分钟范围内的聚丙烯组合物。 本发明包括本发明的聚丙烯组合物,其包括结晶度至少为64%的高结晶聚丙烯的反应性熔融共混产物,弹性体,偶联剂和任选的填料。
    • 5. 发明授权
    • Thermally stabilized carboxyl-containing ethylene copolymers and
preparation thereof
    • 热稳定的含羧基的乙烯共聚物及其制备
    • US4594382A
    • 1986-06-10
    • US672004
    • 1984-11-16
    • Stephen M. HoenigDavid P. FloresGregory S. O'Connell
    • Stephen M. HoenigDavid P. FloresGregory S. O'Connell
    • C08K5/098C08K5/09
    • C08K5/098
    • A carboxyl-containing ethylene copolymer composition exhibiting thermal stability and method for preparing the same. The composition comprises (a) an ethylene copolymer containing a carboxyl-functional comonomer in an amount ranging from about 0.01 to about 50 weight percent of the copolymer, and (b) a hydrated compound in intimate admixture therewith. The hydrate dehydrates at a temperature between about 100.degree. C. and about 300.degree. C. and is selected from hydrated metallic salts of organic acids, inorganic hydrates, bimetallic hydrates and combinations thereof. The hydrate is present in the composition in at least an amount effective to impart thermal stability thereto up to about 5 weight percent of the composition, preferably 0.01-0.45 weight percent. The composition is prepared by adding the hydrate to the copolymer and intimately mixing the hydrate and the copolymer. The addition and mixing steps are performed either during or subsequent to the manufacture of the copolymer.
    • 表现出热稳定性的含羧基乙烯共聚物组合物及其制备方法。 所述组合物包含(a)含有所述共聚物约0.01至约50重量%的量的羧基官能共聚单体的乙烯共聚物,和(b)与其紧密混合的水合化合物。 水合物在约100℃至约300℃的温度下脱水,并且选自有机酸,无机水合物,双金属水合物及其组合的水合金属盐。 水合物以至少有效量赋予组合物至多约5重量%组合物,优选0.01-0.45重量%的热稳定性的量存在于组合物中。 通过将水合物加入到共聚物中并使水合物和共聚物充分混合来制备组合物。 加入和混合步骤在制备共聚物期间或之后进行。