The interplay between structure formation and segmental dynamics constraining in semicrystalline polymers

摘要：

The effect of conformational restrictions in the relaxation dynamics of confined amorphous domains of a semicrystalline polymer is analyzed by means of a statistical mechanical model. It is shown that confinement affects both the readjustment free energy barrier height and the frequency broadening of segmental relaxation, which are intrinsically connected. Analysis of dielectric relaxation data shows that the relaxation dynamics carries information about the thermodynamic state of the embedding crystals. The number of monomers participating in a cooperatively rearranging region can be estimated.

作者: PIERUCCINI Marco

作者单位: C.N.R.Istituto per i Processi Chimico-Fisici, Salita Sperone, C.da Papardo, sn.98158 Faro Superiore, Messina, Italy

会议类型: 国际会议

会议名称: 2009 International Conference on Advanced Fibers and Polymer Materials(2009年先进纤维与聚合物材料国际学术会议)

会议地点: 上海

会议语种:英文

页码: 10-13

在线出版日期: 2009-10-21（万方平台首次上网日期，不代表论文的发表时间）