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US08822029B2 Polyacrylonitrile polymer, method of producing the same, method of producing precursor fiber used for producing carbon fiber, carbon fiber and method of producing the same 有权
聚丙烯腈聚合物，其制造方法，制造碳纤维用前体纤维的方法，碳纤维及其制造方法

Polyacrylonitrile polymer, method of producing the same, method of producing precursor fiber used for producing carbon fiber, carbon fiber and method of producing the same
Abstract:
A polyacrylonitrile-based polymer which satisfies at least one of [a] to [d]:[a] Z-average molecular weight (Mz) determined by gel-permeation chromatograph is 800,000 to 6,000,000 and degree of polydispersity (Mz/Mw) (Mw denotes weight average molecular weight) is 3.0 to 10.0;[b] Z+1-average molecular weight (Mz+1) determined by GPC method is 3,000,000 to 10,000,000 and degree of polydispersity (Mz+1/Mw) is 6.0 to 25.0;[c] Mzm determined by gel-permeation chromatograph multi-angle laserlight scattering photometry is 400,000 to 1,000,000 and degree of polydispersity (Mzm/Mwm) is 3.0 to 10.0; and[d] Z-average radius of gyration (Rz) determined by gel-permeation chromatograph multi-angle laserlight scattering photometry is 25 to 45 nm and its ratio to weight average radius of gyration (Rz/Rw) is 1.3 to 2.5.
Abstract(Chinese):

满足[a]〜[d]中至少一个的聚丙烯腈类聚合物：通过凝胶渗透色谱法测定的[a] Z平均分子量（Mz）为80万〜6,000,000，多分散度（Mz / Mw） Mw表示重均分子量）为3.0〜10.0; [b]通过GPC法测定的Z + 1平均分子量（Mz + 1）为3,000,000〜10,000,000，多分散度（Mz + 1 / Mw）为6.0〜25.0; [c]通过凝胶渗透色谱多角度激光散射光度法测定的Mzm为40万〜100万，多分散度（Mzm / Mwm）为3.0〜10.0; 和通过凝胶渗透色谱多角度激光散射光度法测定的[d] Z-平均回转半径（Rz）为25〜45nm，其与重均平均回转半径（Rz / Rw）的比值为1.3〜2.5。

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