[ n ]‐Oligourea‐Based Green Sorbents with Enhanced CO 2 Sorption Capacity
A new series of [ n ]‐oligoureas ( [ n ]‐OU s, n = 4 , 7 , 10 , and 12 ) green solid sorbents was prepared following a base‐catalyzed, microwave‐assisted oligomerization reaction. The materials were characterized by NMR and IR spectroscopy, elemental analysis, thermogravimetric analysis, differentia...
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| Veröffentlicht in: | ChemSusChem 2015-05, Vol.8 (9), p.1618-1626 |
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| creator | Qaroush, Abdussalam K. Castillo‐Molina, Dante A. Troll, Carsten Abu‐Daabes, Malyuba A. Alsyouri, Hatem M. Abu‐Surrah, Adnan S. Rieger, Bernhard |
| description | A new series of [
n
]‐oligoureas (
[
n
]‐OU
s,
n
=
4
,
7
,
10
, and
12
) green solid sorbents was prepared following a base‐catalyzed, microwave‐assisted oligomerization reaction. The materials were characterized by NMR and IR spectroscopy, elemental analysis, thermogravimetric analysis, differential scanning calorimetry, and XRD. Decomposition temperatures at 50 % weight loss (
T
d50
) were ca. 350 °C for all oligomers. Urea and urethane functional groups indicated by IR spectroscopy confirmed the formation of the sorbent. The CO
2
capturing capacities were determined at 35 °C and 1.0 bar (gravimetric method). Accordingly,
[10]‐OU
had the highest CO
2
sorption capacity among the others (18.90 and 22.70 mg
g
sorbent
−1
) at two different activation temperatures (60 or 100 °C, respectively). Chemisorption was the principal mechanism for CO
2
capture. Cyclic CO
2
sorption/desorption measurements were carried out to test the recyclability of
[10]‐OU
. Activating the sample at 60 °C, three stable CO
2
sorption cycles were achieved after running the first cycle. |
| doi_str_mv | 10.1002/cssc.201402828 |
| format | Article |
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n
]‐oligoureas (
[
n
]‐OU
s,
n
=
4
,
7
,
10
, and
12
) green solid sorbents was prepared following a base‐catalyzed, microwave‐assisted oligomerization reaction. The materials were characterized by NMR and IR spectroscopy, elemental analysis, thermogravimetric analysis, differential scanning calorimetry, and XRD. Decomposition temperatures at 50 % weight loss (
T
d50
) were ca. 350 °C for all oligomers. Urea and urethane functional groups indicated by IR spectroscopy confirmed the formation of the sorbent. The CO
2
capturing capacities were determined at 35 °C and 1.0 bar (gravimetric method). Accordingly,
[10]‐OU
had the highest CO
2
sorption capacity among the others (18.90 and 22.70 mg
g
sorbent
−1
) at two different activation temperatures (60 or 100 °C, respectively). Chemisorption was the principal mechanism for CO
2
capture. Cyclic CO
2
sorption/desorption measurements were carried out to test the recyclability of
[10]‐OU
. Activating the sample at 60 °C, three stable CO
2
sorption cycles were achieved after running the first cycle.</description><identifier>ISSN: 1864-5631</identifier><identifier>EISSN: 1864-564X</identifier><identifier>DOI: 10.1002/cssc.201402828</identifier><language>eng</language><ispartof>ChemSusChem, 2015-05, Vol.8 (9), p.1618-1626</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c848-f96d0e103ada639a65356d8317fd9be170c62c02a20affee4806b4546232f34a3</citedby><cites>FETCH-LOGICAL-c848-f96d0e103ada639a65356d8317fd9be170c62c02a20affee4806b4546232f34a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Qaroush, Abdussalam K.</creatorcontrib><creatorcontrib>Castillo‐Molina, Dante A.</creatorcontrib><creatorcontrib>Troll, Carsten</creatorcontrib><creatorcontrib>Abu‐Daabes, Malyuba A.</creatorcontrib><creatorcontrib>Alsyouri, Hatem M.</creatorcontrib><creatorcontrib>Abu‐Surrah, Adnan S.</creatorcontrib><creatorcontrib>Rieger, Bernhard</creatorcontrib><title>[ n ]‐Oligourea‐Based Green Sorbents with Enhanced CO 2 Sorption Capacity</title><title>ChemSusChem</title><description>A new series of [
n
]‐oligoureas (
[
n
]‐OU
s,
n
=
4
,
7
,
10
, and
12
) green solid sorbents was prepared following a base‐catalyzed, microwave‐assisted oligomerization reaction. The materials were characterized by NMR and IR spectroscopy, elemental analysis, thermogravimetric analysis, differential scanning calorimetry, and XRD. Decomposition temperatures at 50 % weight loss (
T
d50
) were ca. 350 °C for all oligomers. Urea and urethane functional groups indicated by IR spectroscopy confirmed the formation of the sorbent. The CO
2
capturing capacities were determined at 35 °C and 1.0 bar (gravimetric method). Accordingly,
[10]‐OU
had the highest CO
2
sorption capacity among the others (18.90 and 22.70 mg
g
sorbent
−1
) at two different activation temperatures (60 or 100 °C, respectively). Chemisorption was the principal mechanism for CO
2
capture. Cyclic CO
2
sorption/desorption measurements were carried out to test the recyclability of
[10]‐OU
. Activating the sample at 60 °C, three stable CO
2
sorption cycles were achieved after running the first cycle.</description><issn>1864-5631</issn><issn>1864-564X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo9kM1Kw0AURgdRsFa3rucFUu_85Hay1FCrUMnCLgSRcDOZsZGahJmIdOcj-Iw-iQ1KV9-BA9_iMHYpYCYA5JWN0c4kCA3SSHPEJsKgTlLUT8cHVuKUncX4BoCQIU7YwzNv-cvP13exbV67j-BozzcUXc2XwbmWP3ahcu0Q-WczbPii3VBr9zIvuBxdPzRdy3PqyTbD7pydeNpGd_G_U7a-Xazzu2RVLO_z61VijTaJz7AGJ0BRTagywlSlWBsl5r7OKifmYFFakCSBvHdOG8BKpxqlkl5pUlM2-7u1oYsxOF_2oXmnsCsFlGOLcmxRHlqoX49_U1Y</recordid><startdate>20150511</startdate><enddate>20150511</enddate><creator>Qaroush, Abdussalam K.</creator><creator>Castillo‐Molina, Dante A.</creator><creator>Troll, Carsten</creator><creator>Abu‐Daabes, Malyuba A.</creator><creator>Alsyouri, Hatem M.</creator><creator>Abu‐Surrah, Adnan S.</creator><creator>Rieger, Bernhard</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20150511</creationdate><title>[ n ]‐Oligourea‐Based Green Sorbents with Enhanced CO 2 Sorption Capacity</title><author>Qaroush, Abdussalam K. ; Castillo‐Molina, Dante A. ; Troll, Carsten ; Abu‐Daabes, Malyuba A. ; Alsyouri, Hatem M. ; Abu‐Surrah, Adnan S. ; Rieger, Bernhard</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c848-f96d0e103ada639a65356d8317fd9be170c62c02a20affee4806b4546232f34a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qaroush, Abdussalam K.</creatorcontrib><creatorcontrib>Castillo‐Molina, Dante A.</creatorcontrib><creatorcontrib>Troll, Carsten</creatorcontrib><creatorcontrib>Abu‐Daabes, Malyuba A.</creatorcontrib><creatorcontrib>Alsyouri, Hatem M.</creatorcontrib><creatorcontrib>Abu‐Surrah, Adnan S.</creatorcontrib><creatorcontrib>Rieger, Bernhard</creatorcontrib><collection>CrossRef</collection><jtitle>ChemSusChem</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qaroush, Abdussalam K.</au><au>Castillo‐Molina, Dante A.</au><au>Troll, Carsten</au><au>Abu‐Daabes, Malyuba A.</au><au>Alsyouri, Hatem M.</au><au>Abu‐Surrah, Adnan S.</au><au>Rieger, Bernhard</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>[ n ]‐Oligourea‐Based Green Sorbents with Enhanced CO 2 Sorption Capacity</atitle><jtitle>ChemSusChem</jtitle><date>2015-05-11</date><risdate>2015</risdate><volume>8</volume><issue>9</issue><spage>1618</spage><epage>1626</epage><pages>1618-1626</pages><issn>1864-5631</issn><eissn>1864-564X</eissn><abstract>A new series of [
n
]‐oligoureas (
[
n
]‐OU
s,
n
=
4
,
7
,
10
, and
12
) green solid sorbents was prepared following a base‐catalyzed, microwave‐assisted oligomerization reaction. The materials were characterized by NMR and IR spectroscopy, elemental analysis, thermogravimetric analysis, differential scanning calorimetry, and XRD. Decomposition temperatures at 50 % weight loss (
T
d50
) were ca. 350 °C for all oligomers. Urea and urethane functional groups indicated by IR spectroscopy confirmed the formation of the sorbent. The CO
2
capturing capacities were determined at 35 °C and 1.0 bar (gravimetric method). Accordingly,
[10]‐OU
had the highest CO
2
sorption capacity among the others (18.90 and 22.70 mg
g
sorbent
−1
) at two different activation temperatures (60 or 100 °C, respectively). Chemisorption was the principal mechanism for CO
2
capture. Cyclic CO
2
sorption/desorption measurements were carried out to test the recyclability of
[10]‐OU
. Activating the sample at 60 °C, three stable CO
2
sorption cycles were achieved after running the first cycle.</abstract><doi>10.1002/cssc.201402828</doi><tpages>9</tpages></addata></record> |
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| ispartof | ChemSusChem, 2015-05, Vol.8 (9), p.1618-1626 |
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| language | eng |
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| source | Access via Wiley Online Library |
| title | [ n ]‐Oligourea‐Based Green Sorbents with Enhanced CO 2 Sorption Capacity |
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