摘要
尝试引入成核剂改变结晶PA1010的聚集态结构,讨论结晶-非晶界面对辐射效应的影响。用ESR、DSC、WAXD和凝胶含量测定的方法表征辐照结晶度相近但微晶尺寸(晶粒大小)不同的PA1010。结果表明,辐照的直接作用结果由于结晶表面积的差异而不同;但经退火消除自由基后,辐照的最终结果是相同的,说明辐射后效应主要来源于结晶表面,即结晶表面是俘陷自由基产生后效应的主要贡献者。
Radiation effects on PA1010 and PA1010 containing heterogeneous nuclei were studied. In particular, amorphouscrystalline interface impacts on radiation effects were discussed by ESR, DSC, WAXD and determination of gel fraction. The results show that the direct radiation effects are different, because of the difference in the amount of the fold surface of the lamellae of PA1010; while the final radiation effects on both of them radiated after being heated are the same.
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
1998年第3期55-58,共4页
Polymer Materials Science & Engineering
关键词
结晶
辐射交联
成核剂
聚酰胺
改性
crystalline PA1010
radiation effects
amorphouscrystalline interface
radiation crosslinks
postradiation effects