Multi-crosslinkable self-healing polysilsesquioxanes for the smart recovery of anti-scratch properties

Young Yeol Jo; Albert S. Lee; Kyung Youl Baek; Heon Lee; Seung Sang Hwang

doi:10.1016/j.polymer.2017.06.076

Multi-crosslinkable self-healing polysilsesquioxanes for the smart recovery of anti-scratch properties

Young Yeol Jo, Albert S. Lee, Kyung Youl Baek, Heon Lee, Seung Sang Hwang

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

21 Citations (Scopus)

Abstract

A series of multi-crosslinkable, self-healing, ladder-structured polysilsesquioxane inorganic-organic hybrid materials were developed to enhance the mechanical properties through tandem UV-curing and Diels-Alder chemistry. The introduction of UV-curable acryl- or epoxy groups allowed for a higher degree of crosslink density while bringing the inorganic backbones closer together for highly efficient self-healing properties, all with a singular material as the ternary organic functional groups consisting of UV-curable function, diene, and dienophile were tethered to the well-defined inorganic backbone. Exceptional thermal stability (>400 °C), optical transparency (>95%), solution processability, as well as robust surface mechanical properties in both bulk (pencil hardness 6H) and nanoscale (elastic modulus > 9 GPa), properties which can be adroitly recovered through mild and rapid thermal treatment hold great promise for next generation hybrid smart coating materials for application in optoelectronic devices.

Original language	English
Pages (from-to)	78-87
Number of pages	10
Journal	Polymer
Volume	124
DOIs	https://doi.org/10.1016/j.polymer.2017.06.076
Publication status	Published - 2017 Aug 25

Bibliographical note

Funding Information:
This work was supported by the Technology Innovation Industrial funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea) [10050814, Development of low Dk/low Df PCB materals for a high speed above 1GHz]. Partial funding was given by the Materials Architecturing Research Center of Korea Institute of Science and Technology (KIST) and the Korea Research Fellowship Program funded by the Ministry of Science, ICT, and Future Planning through the National Research Foundation of Korea.

Publisher Copyright:
© 2017 Elsevier Ltd

Keywords

Anti-scratch
Polysilsesquioxane
Self-healing

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/j.polymer.2017.06.076

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title = "Multi-crosslinkable self-healing polysilsesquioxanes for the smart recovery of anti-scratch properties",

abstract = "A series of multi-crosslinkable, self-healing, ladder-structured polysilsesquioxane inorganic-organic hybrid materials were developed to enhance the mechanical properties through tandem UV-curing and Diels-Alder chemistry. The introduction of UV-curable acryl- or epoxy groups allowed for a higher degree of crosslink density while bringing the inorganic backbones closer together for highly efficient self-healing properties, all with a singular material as the ternary organic functional groups consisting of UV-curable function, diene, and dienophile were tethered to the well-defined inorganic backbone. Exceptional thermal stability (>400 °C), optical transparency (>95%), solution processability, as well as robust surface mechanical properties in both bulk (pencil hardness 6H) and nanoscale (elastic modulus > 9 GPa), properties which can be adroitly recovered through mild and rapid thermal treatment hold great promise for next generation hybrid smart coating materials for application in optoelectronic devices.",

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author = "Jo, {Young Yeol} and Lee, {Albert S.} and Baek, {Kyung Youl} and Heon Lee and Hwang, {Seung Sang}",

note = "Funding Information: This work was supported by the Technology Innovation Industrial funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea) [10050814, Development of low Dk/low Df PCB materals for a high speed above 1GHz]. Partial funding was given by the Materials Architecturing Research Center of Korea Institute of Science and Technology (KIST) and the Korea Research Fellowship Program funded by the Ministry of Science, ICT, and Future Planning through the National Research Foundation of Korea. Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",

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AU - Jo, Young Yeol

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AU - Baek, Kyung Youl

AU - Lee, Heon

AU - Hwang, Seung Sang

N1 - Funding Information: This work was supported by the Technology Innovation Industrial funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea) [10050814, Development of low Dk/low Df PCB materals for a high speed above 1GHz]. Partial funding was given by the Materials Architecturing Research Center of Korea Institute of Science and Technology (KIST) and the Korea Research Fellowship Program funded by the Ministry of Science, ICT, and Future Planning through the National Research Foundation of Korea. Publisher Copyright: © 2017 Elsevier Ltd

PY - 2017/8/25

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N2 - A series of multi-crosslinkable, self-healing, ladder-structured polysilsesquioxane inorganic-organic hybrid materials were developed to enhance the mechanical properties through tandem UV-curing and Diels-Alder chemistry. The introduction of UV-curable acryl- or epoxy groups allowed for a higher degree of crosslink density while bringing the inorganic backbones closer together for highly efficient self-healing properties, all with a singular material as the ternary organic functional groups consisting of UV-curable function, diene, and dienophile were tethered to the well-defined inorganic backbone. Exceptional thermal stability (>400 °C), optical transparency (>95%), solution processability, as well as robust surface mechanical properties in both bulk (pencil hardness 6H) and nanoscale (elastic modulus > 9 GPa), properties which can be adroitly recovered through mild and rapid thermal treatment hold great promise for next generation hybrid smart coating materials for application in optoelectronic devices.

AB - A series of multi-crosslinkable, self-healing, ladder-structured polysilsesquioxane inorganic-organic hybrid materials were developed to enhance the mechanical properties through tandem UV-curing and Diels-Alder chemistry. The introduction of UV-curable acryl- or epoxy groups allowed for a higher degree of crosslink density while bringing the inorganic backbones closer together for highly efficient self-healing properties, all with a singular material as the ternary organic functional groups consisting of UV-curable function, diene, and dienophile were tethered to the well-defined inorganic backbone. Exceptional thermal stability (>400 °C), optical transparency (>95%), solution processability, as well as robust surface mechanical properties in both bulk (pencil hardness 6H) and nanoscale (elastic modulus > 9 GPa), properties which can be adroitly recovered through mild and rapid thermal treatment hold great promise for next generation hybrid smart coating materials for application in optoelectronic devices.

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Multi-crosslinkable self-healing polysilsesquioxanes for the smart recovery of anti-scratch properties

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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