CPDB为链转移试剂的脱氢枞酸基单体的RAFT聚合研究  

RAFT Polymerization of Dehydroabietic Acid Monomer with CPDB Chain Transfer Reagent

作　　者：郭腾飞[1,2,3,4] 王春鹏 GUO Tengfei;WANG Chunpeng(Institute of Chemical Industry of Forest Products,CAF;National Engineering Lab.for Biomass Chemical Utilization;Key and Open Lab.on Forest Chemical Engineering,SFA,Nanjing 210042,China)

机构地区：[1]中国林业科学研究院林产化学工业研究所 [2]生物质化学利用国家工程实验室 [3]国家林业局林产化学工程重点开放性实验室 [4]江苏省生物质能源与材料重点实验室,江苏南京210042

出　　处：《生物质化学工程》2018年第6期62-66,共5页Biomass Chemical Engineering

摘　　要：以脱氢枞酸(β-甲基丙烯酰氧基丙基)酯(DAHPMA)为单体,偶氮二异丁腈(AIBN)为引发剂,2-氰基-2-丙基苯并二硫(CPDB)为链转移试剂,在四氢呋喃溶液中进行可逆加成-断裂转移自由基聚合反应(RAFT)制备得到脱氢枞酸基酯均聚物。动力学研究表明了脱氢枞酸基单体可以在RAFT聚合下具有活性可控的特征,同时探讨了CPDB的浓度对松香基单体的RAFT聚合的影响,发现CPDB的浓度对聚合过程的速率和可控性以及相对分子量和相对分子质量分布都有一定的影响。通过核磁证实了该松香基均聚物的成功合成,接触角测试表明该聚合物具有高疏水性。Using(β-methylacryloyloxy)propyl ester of dehydroabietic acid(DAHPMA)as monomer,azobisisobutyronitrile(AIBN)as initiator and 2-cyano-2-propyl benzodithioate(CPDB)as chain transfer reagent,dehydroabietic acid ester homopolymer was prepared by reversible addition-fragmentation transfer radical polymerization(RAFT)in tetrahydrofuran solution.The successful synthesis of the rosin homopolymer was confirmed by nuclear magnetics,and the contact angle test showed high hydrophobicity of the polymer.The kinetic study showed that the dehydroabietic acid monomer could be active and controlled under RAFT polymerization.The concentration of CPDB was found to be related to the polymerization process.Rate and controllability as well as molecular weight and molecular weight distribution had a certain impact.

关 键 词：松香基单体 可逆加成-断裂转移自由基聚合 动力学 

分 类 号：TQ35[化学工程]