expandable bead是什么意思

用法例句

When the content of AC was 6 phr and the content of SiO_2 was 2 phr,the foaming performances of expanded beads were best and a low d.

以多官能团丙烯酸酯类单体为辐照敏化剂,在氮气氛围中经~(60)Co-γ射线辐照,制备了高熔体强度聚丙烯(HNSPP)并以此为原料,制备了聚丙烯可发性珠粒。