Transport and structural characteristics of crosslinked poly(ethylene oxide) rubbers

Haiqing Lin; Elizabeth Van Wagner; John S. Swinnea; Benny D. Freeman; Steven J. Pas; Anita J. Hill; Sumod Kalakkunnath; Douglass S. Kalika

doi:10.1016/j.memsci.2005.09.040

Transport and structural characteristics of crosslinked poly(ethylene oxide) rubbers

Haiqing Lin
, Elizabeth Van Wagner
, John S. Swinnea
, Benny D. Freeman
, Steven J. Pas
, Anita J. Hill
, Sumod Kalakkunnath
, Douglass S. Kalika

Producción científica: Article › revisión exhaustiva

309 Citas (Scopus)

Resumen

Three series of crosslinked poly(ethylene oxide) rubbers have been prepared by photopolymerization of prepolymer solutions containing: (1) poly(ethylene glycol) diacrylate (PEGDA) and H₂O, (2) PEGDA and poly(ethylene glycol) methyl ether acrylate (PEGMEA), and (3) PEGDA and poly(ethylene glycol) acrylate (PEGA). All of these polymers have similar chemical composition (approximately 82 wt.% ethylene oxide), but the crosslink density and the content and chemistry of chain end groups are different. The effect of chain end groups and crosslink density on mass density, glass transition temperature (T_g), free volume, and H₂, N₂, CH₄ and CO₂ transport properties of the polymers was determined. The effect of temperature on gas permeability and solubility was also investigated. Many of the samples were amorphous. However, samples with high concentrations of PEGMEA could crystallize, and the formation of crystalline regions significantly decreased permeability. A generalized free volume model was used to interpret the effect of crosslink density and chain end groups on gas permeability and diffusivity, where free volume was characterized using two techniques: (1) density and group contribution theory, and (2) positron annihilation lifetime spectroscopy. Finally, the potential application of these materials for CO₂/light gas separations was explored.

Idioma original	English
Páginas (desde-hasta)	145-161
Número de páginas	17
Publicación	Journal of Membrane Science
Volumen	276
N.º	1-2
DOI	https://doi.org/10.1016/j.memsci.2005.09.040
Estado	Published - may 1 2006

Nota bibliográfica

Funding Information:
We gratefully acknowledge use of the facilities in the Department of Chemistry and Biochemistry at The University of Texas at Austin. Mr. Steven Sorey conducted the 1 H NMR measurements, and Dr. Mehdi Moini performed the FAB-MS studies. We gratefully acknowledge partial support of this work by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy (Grant No. DE-FG03-02ER15362). This research was also partially supported by the United States Department of Energy's National Energy Technology Laboratory under a subcontract from Research Triangle Institute through their Prime Contract No.: DE-AC26-99FT40675. This work was prepared with the partial support of the U.S. Department of Energy, under Award No. DE-FG26-01NT41280. However, any opinions, findings, conclusions, or recommendations expressed herein are those of the authors and do not necessarily reflect the views of the DOE. Partial support from the National Science Foundation under grant number CTS-0515425 is also acknowledged.

Funding Information:
Activities at the University of Kentucky were supported by a grant from the Kentucky Science and Engineering Foundation as per Grant Agreement KSEF-148-502-05-130 with the Kentucky Science and Technology Corporation. We are also pleased to acknowledge support provided through a Kentucky Opportunity Fellowship administered by the University of Kentucky Graduate School (SK).

Funding Information:
PALS experiments were performed with funding from the Australian Research Council within the framework of the ARC Centers of Excellence program through the Centre for Nanostructured Electromaterials.

Financiación

We gratefully acknowledge use of the facilities in the Department of Chemistry and Biochemistry at The University of Texas at Austin. Mr. Steven Sorey conducted the 1 H NMR measurements, and Dr. Mehdi Moini performed the FAB-MS studies. We gratefully acknowledge partial support of this work by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy (Grant No. DE-FG03-02ER15362). This research was also partially supported by the United States Department of Energy's National Energy Technology Laboratory under a subcontract from Research Triangle Institute through their Prime Contract No.: DE-AC26-99FT40675. This work was prepared with the partial support of the U.S. Department of Energy, under Award No. DE-FG26-01NT41280. However, any opinions, findings, conclusions, or recommendations expressed herein are those of the authors and do not necessarily reflect the views of the DOE. Partial support from the National Science Foundation under grant number CTS-0515425 is also acknowledged. Activities at the University of Kentucky were supported by a grant from the Kentucky Science and Engineering Foundation as per Grant Agreement KSEF-148-502-05-130 with the Kentucky Science and Technology Corporation. We are also pleased to acknowledge support provided through a Kentucky Opportunity Fellowship administered by the University of Kentucky Graduate School (SK). PALS experiments were performed with funding from the Australian Research Council within the framework of the ARC Centers of Excellence program through the Centre for Nanostructured Electromaterials.

Financiadores	Número del financiador
Centre for Nanostructured Electromaterials
Kentucky Science and Technology Corporation
Office of Basic Energy Sciences
United States Department of Energy
University of Kentucky Graduate School
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China	CTS-0515425
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China
U.S. Department of Energy Oak Ridge National Laboratory U.S. Department of Energy National Science Foundation National Energy Research Scientific Computing Center
National Science Foundation Office of International Science and Engineering
Chemical Sciences, Geosciences, and Biosciences Division
National Energy Technology Laboratory	DE-AC26-99FT40675
National Energy Technology Laboratory
Kentucky Science and Engineering Foundation	KSEF-148-502-05-130
Kentucky Science and Engineering Foundation
Australian Research Council

ASJC Scopus subject areas

Biochemistry
General Materials Science
Physical and Theoretical Chemistry
Filtration and Separation

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10.1016/j.memsci.2005.09.040

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title = "Transport and structural characteristics of crosslinked poly(ethylene oxide) rubbers",

abstract = "Three series of crosslinked poly(ethylene oxide) rubbers have been prepared by photopolymerization of prepolymer solutions containing: (1) poly(ethylene glycol) diacrylate (PEGDA) and H2O, (2) PEGDA and poly(ethylene glycol) methyl ether acrylate (PEGMEA), and (3) PEGDA and poly(ethylene glycol) acrylate (PEGA). All of these polymers have similar chemical composition (approximately 82 wt.\% ethylene oxide), but the crosslink density and the content and chemistry of chain end groups are different. The effect of chain end groups and crosslink density on mass density, glass transition temperature (Tg), free volume, and H2, N2, CH4 and CO2 transport properties of the polymers was determined. The effect of temperature on gas permeability and solubility was also investigated. Many of the samples were amorphous. However, samples with high concentrations of PEGMEA could crystallize, and the formation of crystalline regions significantly decreased permeability. A generalized free volume model was used to interpret the effect of crosslink density and chain end groups on gas permeability and diffusivity, where free volume was characterized using two techniques: (1) density and group contribution theory, and (2) positron annihilation lifetime spectroscopy. Finally, the potential application of these materials for CO2/light gas separations was explored.",

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author = "Haiqing Lin and Wagner, \{Elizabeth Van\} and Swinnea, \{John S.\} and Freeman, \{Benny D.\} and Pas, \{Steven J.\} and Hill, \{Anita J.\} and Sumod Kalakkunnath and Kalika, \{Douglass S.\}",

note = "Funding Information: We gratefully acknowledge use of the facilities in the Department of Chemistry and Biochemistry at The University of Texas at Austin. Mr. Steven Sorey conducted the 1 H NMR measurements, and Dr. Mehdi Moini performed the FAB-MS studies. We gratefully acknowledge partial support of this work by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy (Grant No. DE-FG03-02ER15362). This research was also partially supported by the United States Department of Energy's National Energy Technology Laboratory under a subcontract from Research Triangle Institute through their Prime Contract No.: DE-AC26-99FT40675. This work was prepared with the partial support of the U.S. Department of Energy, under Award No. DE-FG26-01NT41280. However, any opinions, findings, conclusions, or recommendations expressed herein are those of the authors and do not necessarily reflect the views of the DOE. Partial support from the National Science Foundation under grant number CTS-0515425 is also acknowledged. Funding Information: Activities at the University of Kentucky were supported by a grant from the Kentucky Science and Engineering Foundation as per Grant Agreement KSEF-148-502-05-130 with the Kentucky Science and Technology Corporation. We are also pleased to acknowledge support provided through a Kentucky Opportunity Fellowship administered by the University of Kentucky Graduate School (SK). Funding Information: PALS experiments were performed with funding from the Australian Research Council within the framework of the ARC Centers of Excellence program through the Centre for Nanostructured Electromaterials. ",

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AU - Wagner, Elizabeth Van

AU - Swinnea, John S.

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AU - Pas, Steven J.

AU - Hill, Anita J.

AU - Kalakkunnath, Sumod

AU - Kalika, Douglass S.

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N2 - Three series of crosslinked poly(ethylene oxide) rubbers have been prepared by photopolymerization of prepolymer solutions containing: (1) poly(ethylene glycol) diacrylate (PEGDA) and H2O, (2) PEGDA and poly(ethylene glycol) methyl ether acrylate (PEGMEA), and (3) PEGDA and poly(ethylene glycol) acrylate (PEGA). All of these polymers have similar chemical composition (approximately 82 wt.% ethylene oxide), but the crosslink density and the content and chemistry of chain end groups are different. The effect of chain end groups and crosslink density on mass density, glass transition temperature (Tg), free volume, and H2, N2, CH4 and CO2 transport properties of the polymers was determined. The effect of temperature on gas permeability and solubility was also investigated. Many of the samples were amorphous. However, samples with high concentrations of PEGMEA could crystallize, and the formation of crystalline regions significantly decreased permeability. A generalized free volume model was used to interpret the effect of crosslink density and chain end groups on gas permeability and diffusivity, where free volume was characterized using two techniques: (1) density and group contribution theory, and (2) positron annihilation lifetime spectroscopy. Finally, the potential application of these materials for CO2/light gas separations was explored.

AB - Three series of crosslinked poly(ethylene oxide) rubbers have been prepared by photopolymerization of prepolymer solutions containing: (1) poly(ethylene glycol) diacrylate (PEGDA) and H2O, (2) PEGDA and poly(ethylene glycol) methyl ether acrylate (PEGMEA), and (3) PEGDA and poly(ethylene glycol) acrylate (PEGA). All of these polymers have similar chemical composition (approximately 82 wt.% ethylene oxide), but the crosslink density and the content and chemistry of chain end groups are different. The effect of chain end groups and crosslink density on mass density, glass transition temperature (Tg), free volume, and H2, N2, CH4 and CO2 transport properties of the polymers was determined. The effect of temperature on gas permeability and solubility was also investigated. Many of the samples were amorphous. However, samples with high concentrations of PEGMEA could crystallize, and the formation of crystalline regions significantly decreased permeability. A generalized free volume model was used to interpret the effect of crosslink density and chain end groups on gas permeability and diffusivity, where free volume was characterized using two techniques: (1) density and group contribution theory, and (2) positron annihilation lifetime spectroscopy. Finally, the potential application of these materials for CO2/light gas separations was explored.

KW - Carbon dioxide

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Transport and structural characteristics of crosslinked poly(ethylene oxide) rubbers

Resumen

Nota bibliográfica

Financiación

ASJC Scopus subject areas

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