偷看
乙醚
回转半径
维里系数
凝胶渗透色谱法
酮
芳基
聚合物
高分子化学
溶剂
摩尔质量分布
水动力半径
化学
苯酚
有机化学
热力学
共聚物
物理
烷基
作者
Jacques Devaux,D Delimoy,Daniel Daoust,Roger Legras,Jean‐Pierre Mercier,C. Strazielle,E. Nield
出处
期刊:Polymer
[Elsevier]
日期:1985-12-01
卷期号:26 (13): 1994-2000
被引量:141
标识
DOI:10.1016/0032-3861(85)90179-x
摘要
Attempts have been made to determine the weight average molecular weight (M̄W), the radius of gyration (R̄G) and the second virial coefficient (A2) of five samples of poly(ether-ether-ketone) (PEEK) by light scattering (LS) in concentrated sulphuric acid. Account has been taken of the sulphonation of the polymer. Correlations between LS-molecular weights, melt viscosities and intrinsic viscosities in sulphuric acid or in a 5050 phenol-trichlorobenzene mixture have been established. Gel permeation chromatography (g.p.c.) analyses at 115°C have been performed in this latter solvent and two calibration methods were compared.
科研通智能强力驱动
Strongly Powered by AbleSci AI