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连续微波辐射法合成聚D,L-乳酸
张英民; 王鹏; 韩宁; 雷海芬
2009
Source Publication石油化工
Issue08Pages:861-865
Abstract采用微波辐射法,以D,L-丙交酯(DLLA)为单体开环聚合合成了聚D,L-乳酸(PDLLA)。考察了催化剂种类和用量、微波辐射功率和时间对PDLLA相对分子质量的影响;用多角度激光散射仪、傅里叶变换红外光谱和核磁共振等技术对PDLLA进行了表征;并测定了反应过程中体系温度的变化。实验结果表明,以连续发射微波的改装微波炉为反应器,在Sn(Oct)2催化剂用量0.56%(以DLLA单体质量计)、辐射功率90W、辐射时间10min的条件下,合成的PDLLA的黏均相对分子质量为159.2kg/mol,收率为81.8%。改装的微波炉可连续发射微波,体系升温迅速,温升过程平稳。
Keyword连续微波辐射 开环聚合 d L-丙交酯 聚d L-乳酸 聚乳酸
Indexed ByCSCD
CSCD IDCSCD:3692609
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/10791
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
张英民,王鹏,韩宁,等. 连续微波辐射法合成聚D,L-乳酸[J]. 石油化工,2009(08):861-865.
APA 张英民,王鹏,韩宁,&雷海芬.(2009).连续微波辐射法合成聚D,L-乳酸.石油化工(08),861-865.
MLA 张英民,et al."连续微波辐射法合成聚D,L-乳酸".石油化工 .08(2009):861-865.
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