From the measured glass transition temperature,apparent volume fractions of PVC and PSf components in the PVC-rich phase and PSf-rich phase of PVC/PSf blends were calculated by Wood relation,and Flory-Higgins polymer-polymer interaction parameter were determined.
以Flory-Huggins的高分子溶液理论为基础,通过Wood方程,计算出了不同共混比的PVC/PSf共混体系两相中二组分的表观体积分率,进而计算出体系的聚合物-聚合物相互作用参数X1,2对PVC/PSf共混体系的相容性进行了校验。
The temperature-induced apparent strain of four common engineering plastic materials has been evaluated at three bridge excitation voltages in half and quarter-bridge arrangements with five strain gauge sizes.
本文采用了五种不同尺寸的应变片,在不同的测试电压下,利用四分之一桥电路和半桥电路,用system 4000应变仪测定了四种常见的工程塑料的静态表观应变。
Themodified effects of HTPB--ITPU blends are characterized by apparentcrosslinking density and other factors, and the interfacial interactionof the polyphase system is discussed with the help of SEM, DSC andIR modern analysis methods.
通过表观交联度等参数表征HTPB-ITPU共混体系的改性效果,并用SEM、DSC和IR等现代分析手段对多相体系的界面相互作用进行了探讨。