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    • 6. 发明授权
    • Multiphase fiber materials and compositions, methods of manufacture and uses thereof
    • 多相纤维材料及组合物,制造方法及其应用
    • US07258920B2
    • 2007-08-21
    • US10717048
    • 2003-11-18
    • John B. BoyleJames A. KweederDale A. HangeySamir Abdalla
    • John B. BoyleJames A. KweederDale A. HangeySamir Abdalla
    • D02G3/00
    • D01F6/90C08K5/3412Y10T428/2913C08L77/00
    • A pre-fiber composition is disclosed herein that includes: a) a first fiber constituent having a first melting point; b) a second fiber constituent having a second melting point; and c) a gelling agent that solvates at least one of the first fiber constituent or the second fiber constituent, wherein the gelling agent significantly reduces co-polymerization of either of the constituents in the composition. A fiber is also disclosed herein that includes: a) at least two amide-based polymers, each having a melting point, wherein the melting point of one amide-based polymer is dissimilar to the melting point of a second amide-based polymer; and b) a gelling agent that is compatible with at least one of the amide-based polymers, wherein the fiber comprises two differentiatable melting points that are substantially similar to the melting points of each of the amide-based polymers. A method of producing a pre-fiber composition is disclosed herein that includes: a) providing a first fiber constituent having a first melting point; b) providing a second fiber constituent having a second melting point, wherein the first melting point and the second melting point are dissimilar; c) providing at least one gelling agent; and d) mixing the first constituent, the second constituent and the at least one gelling agent such that there is sufficient viscosity and sufficient melt strength in the composition so that it can be spun into a fiber and such that the first melting point and the second melting point in the fiber are substantially similar to their original values before mixing.
    • 本文公开了一种预纤维组合物,其包括:a)具有第一熔点的第一纤维组分; b)具有第二熔点的第二纤维成分; 和c)溶剂化第一纤维组分或第二纤维组分中的至少一种的胶凝剂,其中胶凝剂显着降低组合物中任一组分的共聚。 本文还公开了一种纤维,其包括:a)至少两种各自具有熔点的酰胺类聚合物,其中一种酰胺类聚合物的熔点不同于第二种酰胺类聚合物的熔点; 和b)与至少一种酰胺类聚合物相容的胶凝剂,其中纤维包含基本上类似于每种酰胺类聚合物的熔点的两个可分离的熔点。 本文公开了一种生产预纤维组合物的方法,其包括:a)提供具有第一熔点的第一纤维成分; b)提供具有第二熔点的第二纤维成分,其中所述第一熔点和所述第二熔点不相似; c)提供至少一种胶凝剂; 和d)混合第一组分,第二组分和至少一种胶凝剂,使得在组合物中具有足够的粘度和足够的熔体强度,使得其可以纺成纤维,使得第一熔点和第二熔点 纤维中的熔点基本上与混合前的原始值相似。