The Molecular Structure of SEBS Grafted with Maleic Anhydride through Ultrasound Initiation

Xian-long Zhang; Hong Wu; Shao-yun Guo

doi:10.1007/s10118-015-1645-8

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The Molecular Structure of SEBS Grafted with Maleic Anhydride through Ultrasound Initiation

PAPER | Updated：2021-06-21

- The Molecular Structure of SEBS Grafted with Maleic Anhydride through Ultrasound Initiation
- Chinese Journal of Polymer Science Vol. 33, Issue 7, Pages: 988-999(2015)
- Affiliations：
  
  The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
- Author bio：
  
  **Hong Wu (吴宏), E-mail: wh@scu.edu.cn
  Shao-yun Guo (郭少云), E-mail: nic7702@scu.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1645-8
  CLC：
- Received：29 October 2014，
  
  Revised：2014-12-08，
  
  Accepted：10 December 2014，
  
  Published：2015-07
- Accepted：
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Xian-long Zhang, Hong Wu, Shao-yun Guo. The Molecular Structure of SEBS Grafted with Maleic Anhydride through Ultrasound Initiation[J]. Chinese Journal of Polymer Science, 2015, 33(7): 988-999.
DOI：

Xian-long Zhang, Hong Wu, Shao-yun Guo. The Molecular Structure of SEBS Grafted with Maleic Anhydride through Ultrasound Initiation[J]. Chinese Journal of Polymer Science, 2015, 33(7): 988-999. DOI： 10.1007/s10118-015-1645-8.

摘要

Abstract

The molecular structure of SEBS grafted with maleic anhydride (SEBS-

-MAH) through ultrasound initiation was investigated by nuclear magnetic resonance (NMR). It can be confirmed that the grafting groups mainly exist on the terminus of the ultrasound initiated SEBS-

-MAH. However

it was difficult to detailedly confirm the block of the SEBS on which MAH is grafted through characterization of

H-NMR due to the complex structure of the SEBS. Moreover

the temperaturedependent infrared spectra of the ultrasound initiated SEBS-

-MAH were also analyzed by the perturbation correlation moving window 2D (PCMW2D) correlation spectroscopy. It could confirm that the broken point existed at the joint between poly(ethylene-

-1-butene) (EB block) and polystyrene block (S block). Therefore

the grafting groups were attached to not only the S block but also the EB block. In addition

in order to well understand the aggregation structure of the ultrasound initiated SEBS-

-MAH

the possible grafting mechanism and aggregation model of the ultrasound initiated SEBS-

-MAH at room temperature were also proposed.

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