The SG copolymer can react efficiently with the amide and carboxyl group of PA6 as well as the hydroxyl group of PPO in blending process, resulting into graft copolymer.

• SG共聚物能够有效地与尼龙6分子链端的胺基、羧基和聚苯醚分子链端的羟基发生反应，生成接枝共聚物。