O—CH2CH2O-C 聚对苯二甲酸乙二酯PETP n Hz—CH n 聚丙烯腈PAN CN CH2 CH 聚乙烯醇 College Chemistry of jilin Normal university
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3.“四胶”(合成橡胶) ①丁苯橡胶:丁二烯和苯二烯共聚 H=CH2 「②顺丁橡胶:丁二烯为单体 H2-CH=CH—CH2 College Chemistry of jilin Normal university
College Chemistry of Jilin Normal University 3.“四胶”(合成橡胶) ①丁苯橡胶: 丁二烯和苯二烯共聚 ②顺丁橡胶: 丁二烯为单体