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    • 4. 发明授权
    • Process for preparing compositions based on a starchy component and on a synthetic polymer
    • 用于制备基于淀粉组分和合成聚合物的组合物的方法
    • US08809424B2
    • 2014-08-19
    • US13003802
    • 2009-07-17
    • Thierry FeronRene Saint LoupJerome GimenezDidier LagneauxHenri Sautel
    • Thierry FeronRene Saint LoupJerome GimenezDidier LagneauxHenri Sautel
    • C08L3/00C08L89/00D21H19/54
    • C08J3/18C08J2303/02C08J2323/02C08L3/02C08L23/12C08L51/06C08L2205/03C08L2666/02
    • Process for preparing a composition based on a synthetic polymer includes: introducing, into a reactor containing a softened or molten synthetic polymer, a non-plasticized starchy component and a plasticizer of the latter; and kneading the mixture obtained under conditions sufficient to obtain the plasticization of the starchy component by the plasticizer, and a homogeneous mixture of the synthetic polymer and of the plasticized starchy component. The reactor may especially be a co-rotating or counter-rotating single-screw or twin-screw extruder, for example a co-rotating twin-screw extruder. The synthetic polymer may advantageously be chosen from the group including polyethylenes (PE) and polypropylenes (PP), which are functionalized or unfunctionalized, polyamides (PA), thermoplastic polyurethanes (TPU), styrene-ethylene-butylene-styrene (SEBS) copolymers, preferably that are functionalized, amorphous polyethylene terephthalates (PETG) and blends thereof. The resulting compositions have improved characteristics, especially in terms of coloration and of mechanical properties, for example in terms of elongation at break.
    • 制备基于合成聚合物的组合物的方法包括:向包含软化或熔融的合成聚合物的反应器中引入未增塑的淀粉组分和后者的增塑剂; 并在足以获得由增塑剂增塑淀粉组分的塑化条件下得到的混合物,以及合成聚合物和增塑淀粉组分的均匀混合物。 反应器可以特别地是同向旋转或反向旋转的单螺杆或双螺杆挤出机,例如同向旋转双螺杆挤出机。 合成聚合物可有利地选自聚乙烯(PE)和聚丙烯(PP),其为官能化或未官能化的聚酰胺(PA),热塑性聚氨酯(TPU),苯乙烯 - 乙烯 - 丁烯 - 苯乙烯(SEBS)共聚物, 优选为官能化的无定形聚对苯二甲酸乙二醇酯(PETG)及其共混物。 所得组合物具有改进的特性,特别是在着色和机械性能方面,例如在断裂伸长率方面。
    • 5. 发明申请
    • PROCESS FOR PREPARING COMPOSITIONS BASED ON A STARCHY COMPONENT AND ON A SYNTHETIC POLYMER
    • 基于淀粉组分和合成聚合物制备组合物的方法
    • US20110118390A1
    • 2011-05-19
    • US13003802
    • 2009-07-17
    • Thierry FeronRene Saint LoupJerome GimenezDidier LagneauxHenri Sautel
    • Thierry FeronRene Saint LoupJerome GimenezDidier LagneauxHenri Sautel
    • C08L3/04
    • C08J3/18C08J2303/02C08J2323/02C08L3/02C08L23/12C08L51/06C08L2205/03C08L2666/02
    • Process for preparing a composition based on a synthetic polymer includes: introducing, into a reactor containing a softened or molten synthetic polymer, a non-plasticized starchy component and a plasticizer of the latter; and kneading the mixture obtained under conditions sufficient to obtain the plasticization of the starchy component by the plasticizer, and a homogeneous mixture of the synthetic polymer and of the plasticized starchy component. The reactor may especially be a co-rotating or counter-rotating single-screw or twin-screw extruder, for example a co-rotating twin-screw extruder. The synthetic polymer may advantageously be chosen from the group including polyethylenes (PE) and polypropylenes (PP), which are functionalized or unfunctionalized, polyamides (PA), thermoplastic polyurethanes (TPU), styrene-ethylene-butylene-styrene (SEBS) copolymers, preferably that are functionalized, amorphous polyethylene terephthalates (PETG) and blends thereof. The resulting compositions have improved characteristics, especially in terms of coloration and of mechanical properties, for example in terms of elongation at break.
    • 制备基于合成聚合物的组合物的方法包括:向包含软化或熔融的合成聚合物的反应器中引入未增塑的淀粉组分和后者的增塑剂; 并在足以获得由增塑剂增塑淀粉组分的塑化条件下得到的混合物,以及合成聚合物和增塑淀粉组分的均匀混合物。 反应器可以特别地是同向旋转或反向旋转的单螺杆或双螺杆挤出机,例如同向旋转双螺杆挤出机。 合成聚合物可有利地选自聚乙烯(PE)和聚丙烯(PP),其为官能化或未官能化的聚酰胺(PA),热塑性聚氨酯(TPU),苯乙烯 - 乙烯 - 丁烯 - 苯乙烯(SEBS)共聚物, 优选为官能化的无定形聚对苯二甲酸乙二醇酯(PETG)及其共混物。 所得组合物具有改进的特性,特别是在着色和机械性能方面,例如在断裂伸长率方面。