Piezoelectric composite material is a kind of functional materials composed by piezoelectric ceramic phase and polymer m......

以十一碳二元酸和十一碳二元胺为原料合成了尼龙（PA）1111，采用傅立叶变换红外光谱和核磁氢谱对其结构进行了表征。测定了PA1111的各种......