一种环境自适应降温膨胀粒子及其制备方法和应用
本发明提供了一种环境自适应降温膨胀粒子及其制备方法和应用。所述环境自适应降温膨胀粒子的制备方法包括:对直纤维束进行多次加捻处理,以形成具有多级螺旋结构的超螺旋纤维;对所述超螺旋纤维进行热处理定型;将所述超螺旋纤维分割成多个环境自适应降温膨胀粒子。本发明提供的环境自适应降温膨胀粒子的螺距能够随温度的降低而增大,填充有所述环境自适应降温膨胀粒子的织物在低温环境中具有良好的保温性能。
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