贸易 来源:互联网 时间:2023-06-24 11:40:46
【资料图】
1、锦纶66。
2、说明它是由己二胺和己二酸缩聚制得;尼龙1010是用蓖麻油做原料。
3、提取癸二胺及癸二酸再缩合而成的。
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