Polyacrylonitrile:
Polyacrylonitrile (PAN), also known as Creslan 61, is a synthetic, semicrystalline organic polymer resin, with the linear formula (C3H3N)n. Though it is thermoplastic, it does not melt under normal conditions.
en.wikipedia.org
聚丙烯腈:
聚丙烯腈，是由单体的丙烯腈经过自由基聚合反应而得到高分子材料。
zh.wikipedia.org
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Polyacrylonitrile聚丙烯腈