山东化工
山東化工
산동화공
SHANDONG CHEMICAL INDUSTRY
2011年
11期
1-3
,共3页
苯乙烯%丙烯腈%原子转移自由基聚合%收率
苯乙烯%丙烯腈%原子轉移自由基聚閤%收率
분을희%병희정%원자전이자유기취합%수솔
styrene%aerylonitrile%atom transfer radical polymerization%yield
采用四氯化碳为引发剂,三氯化铁与丁二酸复合物为催化剂,在N,N-二甲基甲酰胺溶剂中对苯乙烯、丙烯腈进行原子转移自由基共聚合。研究了苯乙烯和丙烯腈物质的量比、引发剂用量、反应时间、温度等工艺条件对共聚物收率的影响。得到最佳反应条件:原料配比n(苯乙烯):n(丙烯腈)为3:1;引发剂用量为12.5mL,三氯化铁与丁二酸复合催发剂的量分别为0.2865g,0.1180g;反应温度为90%,反应时间48h。
採用四氯化碳為引髮劑,三氯化鐵與丁二痠複閤物為催化劑,在N,N-二甲基甲酰胺溶劑中對苯乙烯、丙烯腈進行原子轉移自由基共聚閤。研究瞭苯乙烯和丙烯腈物質的量比、引髮劑用量、反應時間、溫度等工藝條件對共聚物收率的影響。得到最佳反應條件:原料配比n(苯乙烯):n(丙烯腈)為3:1;引髮劑用量為12.5mL,三氯化鐵與丁二痠複閤催髮劑的量分彆為0.2865g,0.1180g;反應溫度為90%,反應時間48h。
채용사록화탄위인발제,삼록화철여정이산복합물위최화제,재N,N-이갑기갑선알용제중대분을희、병희정진행원자전이자유기공취합。연구료분을희화병희정물질적량비、인발제용량、반응시간、온도등공예조건대공취물수솔적영향。득도최가반응조건:원료배비n(분을희):n(병희정)위3:1;인발제용량위12.5mL,삼록화철여정이산복합최발제적량분별위0.2865g,0.1180g;반응온도위90%,반응시간48h。
The SAN copolymer was synthesized with carbon tetrachloride as initiator, ferric chloride and succinic acid complex as catalyst in DMF. The effects of molar ratio of styrene and acrylonitrile, initiator, reaction time and temperature on copolymer yield were studied. The results showed that the molar ratio of styrene/acrylonitrile was 3:1; the amount of initiator was 12.5 mL, the amounts of ferric chloride and succinic acid complex were 0. 2865 g and 0. 1180 g, respectively, reaction temperature was90 ℃, reaction time was 48 h.