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Title: Accessing siloxane functionalized polynorbornenes via vinyl-addition polymerization for CO2 separation membranes

Abstract

Here, the vinyl addition polymerization of norbornylbased monomers bearing polar functional groups is often problematic, leading to low molecular weight polymers in poor yield. Herein, we provide proof-of-principle evidence that addition-type homopolymers of siloxane substituted norbornyl-based monomers may be readily synthesized using the catalyst trans-[Ni(C6F5)2(SbPh3)2]. Polymerizations using this catalyst reached moderate to high conversion in just 5 min of polymerization and produced siloxanesubstituted polymers with molecular weights exceeding 100 kg/mol. These polymers showed excellent thermal stability (Td ≥ 362 °C) and were cast into membranes that displayed high CO2 permeability and enhanced CO2/N2 selectivity as compared to related materials.

Authors:
 [1];  [2];  [1];  [3];  [3];  [3];  [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1279443
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
ACS Macro Letters
Additional Journal Information:
Journal Volume: 5; Journal Issue: 7; Journal ID: ISSN 2161-1653
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Mahurin, Shannon Mark, Sokolov, Alexei P., Saito, Tomonori, Long, Brian K., Gmernicki, Kevin R., Hong, Eunice, and Maroon, Christopher R.. Accessing siloxane functionalized polynorbornenes via vinyl-addition polymerization for CO2 separation membranes. United States: N. p., 2016. Web. https://doi.org/10.1021/acsmacrolett.6b00435.
Mahurin, Shannon Mark, Sokolov, Alexei P., Saito, Tomonori, Long, Brian K., Gmernicki, Kevin R., Hong, Eunice, & Maroon, Christopher R.. Accessing siloxane functionalized polynorbornenes via vinyl-addition polymerization for CO2 separation membranes. United States. https://doi.org/10.1021/acsmacrolett.6b00435
Mahurin, Shannon Mark, Sokolov, Alexei P., Saito, Tomonori, Long, Brian K., Gmernicki, Kevin R., Hong, Eunice, and Maroon, Christopher R.. Wed . "Accessing siloxane functionalized polynorbornenes via vinyl-addition polymerization for CO2 separation membranes". United States. https://doi.org/10.1021/acsmacrolett.6b00435. https://www.osti.gov/servlets/purl/1279443.
@article{osti_1279443,
title = {Accessing siloxane functionalized polynorbornenes via vinyl-addition polymerization for CO2 separation membranes},
author = {Mahurin, Shannon Mark and Sokolov, Alexei P. and Saito, Tomonori and Long, Brian K. and Gmernicki, Kevin R. and Hong, Eunice and Maroon, Christopher R.},
abstractNote = {Here, the vinyl addition polymerization of norbornylbased monomers bearing polar functional groups is often problematic, leading to low molecular weight polymers in poor yield. Herein, we provide proof-of-principle evidence that addition-type homopolymers of siloxane substituted norbornyl-based monomers may be readily synthesized using the catalyst trans-[Ni(C6F5)2(SbPh3)2]. Polymerizations using this catalyst reached moderate to high conversion in just 5 min of polymerization and produced siloxanesubstituted polymers with molecular weights exceeding 100 kg/mol. These polymers showed excellent thermal stability (Td ≥ 362 °C) and were cast into membranes that displayed high CO2 permeability and enhanced CO2/N2 selectivity as compared to related materials.},
doi = {10.1021/acsmacrolett.6b00435},
journal = {ACS Macro Letters},
number = 7,
volume = 5,
place = {United States},
year = {2016},
month = {7}
}

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