论文成果
Toward Sustainable and Strong ABA-Type Thermoplastic Elastomers with Poly(epsilon-Caprolactone-co-4-Methyl-epsilon-Caprolactone) Soft Midblock and Polystyrene Hard End Blocks
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关键字:atom transfer radical polymerizationimproved mechanical propertiesring-opening copolymerizationthermoplastic elastomers
摘要:An array of ABA-type thermoplastic elastomers (TPEs), that is, poly(styrene-b-(epsilon-caprolactone-co-4-methyl-epsilon-caprolactone)-b-styrene) (SCSs), with controlled molecular weights and narrow distributions, are synthesized by ring opening copolymerization of 4-methyl-epsilon-caprolactone and epsilon-caprolactone and subsequent atom transfer radical polymerization of styrene. Thermal and mechanical analyses indicate that the molecular weights of middle and end blocks have significant effect on both the thermal and mechanical performances. It is worth noting that the target polymer SCS(155, 0.33) shows tensile strength of up to approximate to 42 MPa and impressive ultimate elongations of up to 1100% which is much higher than common styrenic TPEs. Additionally, SCS(155, 0.33) also displays an elastic recovery value of 91.5% after 19 stress-strain cycles, suggesting that a good elastic recovery property therein.
卷号:222
期号:4
是否译文:

张春雨

教授 博士生导师 硕士生导师

教师拼音名称:zhangchunyu

出生日期:1978-11-30

电子邮箱:

入职时间:2019-11-28

所在单位:先进橡胶材料教育部重点实验室

学历:博士研究生

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性别:男

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学位:理学博士

毕业院校:吉林大学

所属院系:先进橡胶材料教育部重点实验室

学科:材料科学与工程其他专业
高分子化学与物理

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