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本体原位法制备高抗冲聚苯乙烯Ⅰ.引发剂的影响
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Indexed by:Journal Article

Date of Publication:2012-01-25

Journal:合成树脂及塑料

Included Journals:ISTIC、PKU、Scopus

Volume:29

Issue:1

Page Number:6-10

ISSN:1002-1396

Key Words:高抗冲聚苯乙烯;本体原位法聚合;多官能度引发剂;稀土催化剂

Abstract:以稀土催化体系磷酸酯钕盐/氢化二异丁基铝/一氯二乙基铝在苯乙烯中选择性地使丁二烯聚合,并且以自由基引发剂过氧化苯甲酰、1,1-二(叔丁基过氧基)环己烷、3,6,9-三甲基-3,6,9-三乙基-1,4,7-三过氧烷(TETMTPA)或2,2-二(4,4-二叔丁基过氧环己基)丙烷引发聚丁二烯和苯乙烯聚合制备高抗冲聚苯乙烯(HIPS).在相同的官能团浓度下,TETMTPA引发的聚合反应速率最快,制备的HIPS冲击强度最高.随着TETMTPA用量从0.01 phr提高至0.05 phr,聚合反应速率增加,HIPS的悬臂梁缺口冲击强度从120.6 J/m降至72.4 J/m.

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Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:化学系

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