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原子转移自由基合法制备PMMA-g-PSt接枝共聚物和四臂星型聚苯乙烯.pdf81页
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原子转移自由基合法制备PMMA-g-PSt接枝共聚物和四臂星型聚苯乙烯.pdf
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3 9 Y8269 北京化工大学硕士学位论文 原子转移自由基聚合制备PMMA．g．PSt 接技共聚物和四臂星型聚苯乙烯 摘要 首先用甲基内烯酸r-j：r酯与甲基丙烯酸羟乙酯进行原子转移自由
基』E聚合，得到牛基丙烯酸甲酯／甲基丙烯酸羟乙酯共聚物。然后用
2一澳异J‘酰溴与该爻聚物的侧羟基反应，使侧羟基转变为2一澳异丁酰
俄化F，加入苯乙：筛单体进行原子转移自山基接枝聚合，行到了以
o㈦叫j烯陵Im钏i基内烯酸陉乙髑☆≥∈聚物作为接饮．1i链、糍苯乙弼
11yJj安 、芝f_j!_j链fI',J-1立i支』L聚物，J1]1 I NMP．、GPC年¨化。、：i分 』jj上对印i
缁的拨搜j￡聚物的结构进行』’农征。为j’进一步验证接枝浆合，：盔
及』￡分雨j。 ， …苯，』㈨j 以引发苯乙烯的戍、：甜0膨fjdI J主聚合，所得聚苯乙烯的数均分子曼 作，jl绂剂进行苯乙，’剖j0原于转移自山丛聚合时，所得聚苯乙烯的分 I
JN；烈_J 北京化工大学硕士学位论文 种引发剂分别引发的苯乙烯原子转移自由基聚合的聚合速率，进一 步证明j7 C【，O【，C【’，旺’一四氯对二甲苯是苯乙烯原子转移自由基聚合的ILLl 官能引发剂。b一 关键词原子转移自由基聚合，接忮共聚物，星形聚合物，引发剂
翟苯乙烯，Ip基丙烯酸甲酯
—～． 北京化工大学硕士学位论文
～～—————————L二∑—二二 ： 二二～ s、’NTHESIS 0F GRAF rl、COPOL、7MER PO[。V MEI，1t、L 眦rllAcRYIJAmc。ⅢDIIOX、’ETHYL POLYSTYRENE AND STAll-SHAPED AR、IS BY ATOM TRANSFER AljSTRACT I”IhJs di 1 ssmlatioll‘pol 3 meth 3 y “1。lh“。1’ l“t。 一g—Pol a11d styrell。graft cop。lynler stal_shaped p 1]yst relle
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