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Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization
[Image: see text] While ∼75% of commercially utilized polymers are semicrystalline, the generally low mechanical modulus of these materials, especially for those possessing a glass transition temperature below room temperature, restricts their use for structural applications. Our focus in this paper...
Autores principales: | , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2017
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5532707/ https://www.ncbi.nlm.nih.gov/pubmed/28776017 http://dx.doi.org/10.1021/acscentsci.7b00157 |
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author | Zhao, Dan Gimenez-Pinto, Vianney Jimenez, Andrew M. Zhao, Longxi Jestin, Jacques Kumar, Sanat K. Kuei, Brooke Gomez, Enrique D. Prasad, Aditya Shanker Schadler, Linda S. Khani, Mohammad M. Benicewicz, Brian C. |
author_facet | Zhao, Dan Gimenez-Pinto, Vianney Jimenez, Andrew M. Zhao, Longxi Jestin, Jacques Kumar, Sanat K. Kuei, Brooke Gomez, Enrique D. Prasad, Aditya Shanker Schadler, Linda S. Khani, Mohammad M. Benicewicz, Brian C. |
author_sort | Zhao, Dan |
collection | PubMed |
description | [Image: see text] While ∼75% of commercially utilized polymers are semicrystalline, the generally low mechanical modulus of these materials, especially for those possessing a glass transition temperature below room temperature, restricts their use for structural applications. Our focus in this paper is to address this deficiency through the controlled, multiscale assembly of nanoparticles (NPs), in particular by leveraging the kinetics of polymer crystallization. This process yields a multiscale NP structure that is templated by the lamellar semicrystalline polymer morphology and spans NPs engulfed by the growing crystals, NPs ordered into layers in the interlamellar zone [spacing of [Image: see text] (10–100 nm)], and NPs assembled into fractal objects at the interfibrillar scale, [Image: see text] (1–10 μm). The relative fraction of NPs in this hierarchy is readily manipulated by the crystallization speed. Adding NPs usually increases the Young’s modulus of the polymer, but the effects of multiscale ordering are nearly an order of magnitude larger than those for a state where the NPs are not ordered, i.e., randomly dispersed in the matrix. Since the material’s fracture toughness remains practically unaffected in this process, this assembly strategy allows us to create high modulus materials that retain the attractive high toughness and low density of polymers. |
format | Online Article Text |
id | pubmed-5532707 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-55327072017-08-03 Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization Zhao, Dan Gimenez-Pinto, Vianney Jimenez, Andrew M. Zhao, Longxi Jestin, Jacques Kumar, Sanat K. Kuei, Brooke Gomez, Enrique D. Prasad, Aditya Shanker Schadler, Linda S. Khani, Mohammad M. Benicewicz, Brian C. ACS Cent Sci [Image: see text] While ∼75% of commercially utilized polymers are semicrystalline, the generally low mechanical modulus of these materials, especially for those possessing a glass transition temperature below room temperature, restricts their use for structural applications. Our focus in this paper is to address this deficiency through the controlled, multiscale assembly of nanoparticles (NPs), in particular by leveraging the kinetics of polymer crystallization. This process yields a multiscale NP structure that is templated by the lamellar semicrystalline polymer morphology and spans NPs engulfed by the growing crystals, NPs ordered into layers in the interlamellar zone [spacing of [Image: see text] (10–100 nm)], and NPs assembled into fractal objects at the interfibrillar scale, [Image: see text] (1–10 μm). The relative fraction of NPs in this hierarchy is readily manipulated by the crystallization speed. Adding NPs usually increases the Young’s modulus of the polymer, but the effects of multiscale ordering are nearly an order of magnitude larger than those for a state where the NPs are not ordered, i.e., randomly dispersed in the matrix. Since the material’s fracture toughness remains practically unaffected in this process, this assembly strategy allows us to create high modulus materials that retain the attractive high toughness and low density of polymers. American Chemical Society 2017-06-07 2017-07-26 /pmc/articles/PMC5532707/ /pubmed/28776017 http://dx.doi.org/10.1021/acscentsci.7b00157 Text en Copyright © 2017 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes. |
spellingShingle | Zhao, Dan Gimenez-Pinto, Vianney Jimenez, Andrew M. Zhao, Longxi Jestin, Jacques Kumar, Sanat K. Kuei, Brooke Gomez, Enrique D. Prasad, Aditya Shanker Schadler, Linda S. Khani, Mohammad M. Benicewicz, Brian C. Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization |
title | Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization |
title_full | Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization |
title_fullStr | Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization |
title_full_unstemmed | Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization |
title_short | Tunable Multiscale Nanoparticle Ordering by Polymer Crystallization |
title_sort | tunable multiscale nanoparticle ordering by polymer crystallization |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5532707/ https://www.ncbi.nlm.nih.gov/pubmed/28776017 http://dx.doi.org/10.1021/acscentsci.7b00157 |
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