Entanglement structure in the solution viscosity system of ultra high molecular weight polyacrylonitrile(UHMW PAN) solution was distroyed after high speed stirring and shearing.

• 通过高速搅拌剪切，使超高相对分子质量聚丙烯腈（PAN）冻胶体系中缠结网络结构破坏，粘度降低，提高溶液浓度，以满足纺制高性能冻胶纺PAN纤维的需要。