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Optically Transparent Polymer Aerogels Via Controlled Radical Polymerization AITranslate

Stephen M. Meckler; Gabriel Iftime; Asritha Nallapaneni; Quentin Van Overmeere; Barkev Keoshkerian; Eli Bulger; Alec S. Ho; Chenhui Zhu; Jessy B. Rivest; Mahati Chintapalli;
PARC, a Xerox Company;PARC, a Xerox Company; United States|The University of Akron;PARC, a Xerox Company;PARC, a Xerox Company;PARC, a Xerox Company;PARC, a Xerox Company; Lawrence Berkeley National Laboratory;PARC, a Xerox Company;PARC, a Xerox Company
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Publisher: ACS
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Abstract AITranslate

We present a class of porous polymer monoliths with high visible light transmittance and low haze synthesized using nitroxide-mediated stable free radical polymerization (SFRP), a form of controlled radical polymerization, to suppress large pore structures. Such materials can find applications in thermally insulated windows. Aerogels with adjustable optical and pore properties were achieved by modulating the nitroxide radical equilibrium. Controlled radical polymerization resulted in materials with average pore widths <10 nm, porosities of 43%, and high visible transmittance >60% (for 2.8 mm thickness). These results provide general design rules for radical polymerization of clear, colorless porous polymers.

KeyWords AITranslate

aerogels mesoporous materials controlled radical polymerization transparency insulation polymer
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DOI：https://doi.org/10.1021/acsapm.1c01854

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Citation Information:

We present a class of porous polymer monoliths with high visible light transmittance and low haze synthesized using nitroxide-mediated stable free radical polymerization (SFRP), a form of controlled radical polymerization, to suppress large pore structures. Such materials can find applications in thermally insulated windows. Aerogels with adjustable optical and pore properties were achieved by modulating the nitroxide radical equilibrium. Controlled radical polymerization resulted in materials with average pore widths <10 nm, porosities of 43%, and high visible transmittance >60% (for 2.8 mm thickness). These results provide general design rules for radical polymerization of clear, colorless porous polymers.

quote

GB/T 7714-2015 [1] Stephen M. Meckler, Gabriel Iftime, Asritha Nallapaneni, et al. ACS Applied Polymer Materials, 2022(4). DOI:10.1021/acsapm.1c01854.
MLA [1] Stephen M. Meckler, et al., ACS Applied Polymer Materials, no. 4, 2022, https://doi.org/10.1021/acsapm.1c01854.
APA [1] Stephen M. Meckler, Gabriel Iftime, Asritha Nallapaneni, Quentin Van Overmeere, Barkev Keoshkerian, Eli Bulger, Alec S. Ho, Chenhui Zhu, Jessy B. Rivest, & Mahati Chintapalli. (2022). ACS Applied Polymer Materials(4). https://doi.org/10.1021/acsapm.1c01854
IEEE [1] Stephen M. Meckler, Gabriel Iftime, Asritha Nallapaneni, Quentin Van Overmeere, Barkev Keoshkerian, Eli Bulger, Alec S. Ho, Chenhui Zhu, Jessy B. Rivest, and Mahati Chintapalli, ACS Applied Polymer Materials, no. 4, 2022, doi: 10.1021/acsapm.1c01854. keywords: {aerogels;mesoporous materials;controlled radical polymerization;transparency;insulation;polymer}