7种常见塑料的结构式和简写
①聚氯乙烯，简写为PE，结构简式为: —[CH₂—CH₂]n—; ②脲醛塑料，简写为UF,结构简式为: —[NH-CO-NH-CH₂]n—; ③聚四氟乙烯，简写为PTFE,结构简式为: —[CF₂—CF₂]n—; ④聚氯乙烯，简写为PVC,结构简式为: —[CH(Cl)CH₂]n—; ⑤聚丙烯，简写为PP,结构简式为: —[CH(CH₃)CH₂]n—; ⑥聚苯乙烯，简写为PS,结构简式为: —[CH(C₆H₅)CH₂]n—; ⑦聚甲基丙烯酸甲酯，简写为PMMA,结构简式为...