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：
  
  1.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
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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 33(7):988-999(2015)
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 33(7):988-999(2015) DOI： 10.1007/s10118-015-1645-8.

摘要

Abstract

The molecular structure of SEBS grafted with maleic anhydride (SEBS-,g,-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-,g,-MAH. However, it was difficult to detailedly confirm the block of the SEBS on which MAH is grafted through characterization of ,1,H-NMR due to the complex structure of the SEBS. Moreover, the temperaturedependent infrared spectra of the ultrasound initiated SEBS-,g,-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-,co,-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-,g,-MAH, the possible grafting mechanism and aggregation model of the ultrasound initiated SEBS-,g,-MAH at room temperature were also proposed.

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Keywords

UltrasoundMolecular structureSEBS-g-MAHGrafting

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