Cited by 62Polymer composites and self-healingAdvanced Materials and MechanicsPhotopolymerization techniques and applications

Waterborne polyurethane nanocomposites having shape memory effects

Lee, Soo Kyung, Yoon, Sung Ho, Chung, Ildoo, Hartwig, Andreas, Kim, Byung Kyu·2011·Journal of Polymer Science Part A: Polymer Chemistry

Abstract

UV curable waterborne polyurethane/silica nanocomposites were designed and synthesized with functionalized silicas, where the functionalization was made with allyl isocyanate. The incorporated silica particles gave triple effects of multifunctional chemical cross‐links, reinforcing fillers, and stress relaxation retarders. Consequently, functionalized silica incorporated into the polymer chains showed significantly improved mechanical and thermal properties than the simple addition of unmodified silica. Notably, over 99% shape fixity and shape recovery with minimum cyclic hysteresis were obtained for the repeated cycles at 1% loading of the modified silica. © 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011

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Crossref · 10.1002/pola.24473

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40 of 40 references verified0 citation errors · 0 not checkable

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  • Functionalized silica particles had the function of both reinforcing fillers and stress relaxation retarders.

    “It was demonstrated that the functionalized silica particles had the function of both reinforcing fillers and stress relaxation retarders.”

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Authors
Lee, S. K., Yoon, S. H., Chung, I., Hartwig, A., & Kim, B. K.
Affiliations
  • Pusan National University (KR)
  • Fraunhofer Institute for Manufacturing Technology and Advanced Materials (DE)
Corresponding author
Kim, Byung Kyu
Venue
Journal of Polymer Science Part A: Polymer Chemistry
Publisher
Wiley
Published
2010-12-02
Volume
49
Issue
3
Pages
634-641
ISSN
  • 0887-624X (ISSN-L)
  • 1099-0518
OpenAlex
W2030757812
Cited by
62
References
40
Citations by year
2024: 1 · 2023: 1 · 2022: 2 · 2021: 4 · 2020: 2 · 2019: 6 · 2018: 3 · 2017: 3 · 2016: 9 · 2015: 4 · 2014: 11 · 2013: 9 · 2012: 4
FWCI
4.23
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Polymer Science Part A Polymer Chemistry (publishedVersion)
  • Fraunhofer-Publica (Fraunhofer-Gesellschaft) (submittedVersion)
Funders
National Research Foundation of Korea, and organized at PNU
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Physical Sciences › Chemistry › Organic Chemistry › Photopolymerization techniques and applications
Keywords
waterborne polyurethane, silica nanocomposites, shape memory effect, UV-curable polymers, functionalized silica, crosslinking, shape fixity, shape recovery, cyclic hysteresis, mechanical properties, thermal properties

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