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    Non-thermoplastic starch fibers and starch composition for making same
    6.
    发明授权
    Non-thermoplastic starch fibers and starch composition for making same 有权
    非热塑性淀粉纤维和淀粉组合物制成

    公开(公告)号：US06802895B2

    公开(公告)日：2004-10-12

    申请号：US10741254

    申请日：2003-12-19

    申请人： Larry Neil Mackey ,  Gregory Charles Gordon ,  Lora Lee Buchanan ,  Stephen Wayne Heinzman ,  Paul Arlen Forshey

    发明人： Larry Neil Mackey ,  Gregory Charles Gordon ,  Lora Lee Buchanan ,  Stephen Wayne Heinzman ,  Paul Arlen Forshey

    IPC分类号： C08L302

    CPC分类号： D01F9/00 ,  Y10T428/249924 ,  Y10T428/26 ,  Y10T442/614 ,  Y10T442/696

    摘要： Non-thermoplastic starch fibers having no melting point and having apparent peak wet tensile stress greater than about 0.2 MegaPascals (MPa). The fibers can be manufactured from a composition comprising a modified starch and a cross-linking agent. The composition can have a shear viscosity from about 1 Pascal·Seconds to about 80 Pascal·Seconds and an apparent extensional viscosity in the range of from about 150 Pascal·Seconds to about 13,000 Pascal·Seconds. The composition can comprise from about 50% to about 75% by weight of a modified starch; from about 0.1% to about 10% by weight of an aldehyde cross-linking agent; and from about 25% to about 50% by weight of water. Prior to cross-linking, the modified starch can have a weight average molecular weight greater than about 100,000 g/mol.

    摘要翻译： 不具有熔点并具有大于约0.2兆帕（MPa）的明显的湿拉伸应力的非热塑性淀粉纤维。 纤维可以由包含改性淀粉和交联剂的组合物制成。 该组合物可以具有约1帕斯卡的剪切粘度。约80帕斯卡/秒。表观拉伸粘度范围为约150帕斯卡/秒至约13,000帕斯卡。 组合物可以包含约50％至约75％重量的改性淀粉; 约0.1重量％至约10重量％的醛交联剂; 和约25重量％至约50重量％的水。 在交联之前，改性淀粉的重均分子量可以大于约100,000g / mol。