Bio-inspired reinforcement of cyclosiloxane hybrid polymer via ‘molecular stitching’

Yujie Song; Xuelong Chen; Yen Nan Liang; Liying Zhang; Ming Liu; Xiao Hu

doi:10.1016/j.cej.2019.02.184

Bio-inspired reinforcement of cyclosiloxane hybrid polymer via ‘molecular stitching’

Yujie Song, Xuelong Chen, Yen Nan Liang, Liying Zhang, Ming Liu^*, Xiao Hu

^*Corresponding author for this work

Nanyang Technological University

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

Cyclosiloxane hybrid polymer (CHP) was identified as a nacre-like structure, and was reinforced in a bio-inspired way through the incorporation of soft PDMS segment. Simultaneous improvement in both toughness and strength was observed, and the corresponding reinforcing mechanism was proposed to explain this phenomenon. It is believed that PDMS exited as two phases in the CHP. The homogeneously dispersed PDMS chains contribute positively to both the toughness and the strength via ‘molecular stitching', the phase separated PDMS particles improve the toughness but deteriorate the strength. Other types of siloxane-based additives were incorporated to prove the mechanism proposed.

Original language	English
Pages (from-to)	573-576
Number of pages	4
Journal	Chemical Engineering Journal
Volume	368
DOIs	https://doi.org/10.1016/j.cej.2019.02.184
Publication status	Published - Jul 15 2019
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2019

ASJC Scopus Subject Areas

General Chemistry
Environmental Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

Keywords

Bio-inspired
Hybrid polymer
Polysiloxane
Simultaneous reinforcement

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10.1016/j.cej.2019.02.184

Cite this

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title = "Bio-inspired reinforcement of cyclosiloxane hybrid polymer via {\textquoteleft}molecular stitching{\textquoteright}",

abstract = "Cyclosiloxane hybrid polymer (CHP) was identified as a nacre-like structure, and was reinforced in a bio-inspired way through the incorporation of soft PDMS segment. Simultaneous improvement in both toughness and strength was observed, and the corresponding reinforcing mechanism was proposed to explain this phenomenon. It is believed that PDMS exited as two phases in the CHP. The homogeneously dispersed PDMS chains contribute positively to both the toughness and the strength via {\textquoteleft}molecular stitching', the phase separated PDMS particles improve the toughness but deteriorate the strength. Other types of siloxane-based additives were incorporated to prove the mechanism proposed.",

keywords = "Bio-inspired, Hybrid polymer, Polysiloxane, Simultaneous reinforcement",

author = "Yujie Song and Xuelong Chen and Liang, \{Yen Nan\} and Liying Zhang and Ming Liu and Xiao Hu",

note = "Publisher Copyright: {\textcopyright} 2019",

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doi = "10.1016/j.cej.2019.02.184",

language = "English",

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T1 - Bio-inspired reinforcement of cyclosiloxane hybrid polymer via ‘molecular stitching’

AU - Song, Yujie

AU - Chen, Xuelong

AU - Liang, Yen Nan

AU - Zhang, Liying

AU - Liu, Ming

AU - Hu, Xiao

PY - 2019/7/15

Y1 - 2019/7/15

N2 - Cyclosiloxane hybrid polymer (CHP) was identified as a nacre-like structure, and was reinforced in a bio-inspired way through the incorporation of soft PDMS segment. Simultaneous improvement in both toughness and strength was observed, and the corresponding reinforcing mechanism was proposed to explain this phenomenon. It is believed that PDMS exited as two phases in the CHP. The homogeneously dispersed PDMS chains contribute positively to both the toughness and the strength via ‘molecular stitching', the phase separated PDMS particles improve the toughness but deteriorate the strength. Other types of siloxane-based additives were incorporated to prove the mechanism proposed.

AB - Cyclosiloxane hybrid polymer (CHP) was identified as a nacre-like structure, and was reinforced in a bio-inspired way through the incorporation of soft PDMS segment. Simultaneous improvement in both toughness and strength was observed, and the corresponding reinforcing mechanism was proposed to explain this phenomenon. It is believed that PDMS exited as two phases in the CHP. The homogeneously dispersed PDMS chains contribute positively to both the toughness and the strength via ‘molecular stitching', the phase separated PDMS particles improve the toughness but deteriorate the strength. Other types of siloxane-based additives were incorporated to prove the mechanism proposed.

KW - Bio-inspired

KW - Hybrid polymer

KW - Polysiloxane

KW - Simultaneous reinforcement

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SP - 573

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JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

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Bio-inspired reinforcement of cyclosiloxane hybrid polymer via ‘molecular stitching’

Abstract

Bibliographical note

ASJC Scopus Subject Areas

Keywords

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