Recently the use of sub/supercritical CO2 has received much
attention as a green alternative to organic solvents for chemical
processes because of its pressure-tunable physicochemical
properties and economic advantages. But, the advantages are
diminished because of a narrow range of CO2-soluble materials. The
goal of this work is to identify and design oxygenated
hydrocarbon-based CO2-soluble polymers that are able to serve as
construction blocks for CO2 soluble materials. Without concerning
on the cost and the environmental persistence like fluorinated
materials, the inexpensive and environmentally benign materials
would significantly enhance the viability of CO2-based technology.
We proposed specific new polymer structures: poly (3-acetoxy
oxetane), poly (vinyl methoxymethyl ether), and cellulose
triacetate oligomers. Phase behavior studies were also performed
with CO2-philic compounds containing vinyl acetate, propylene
glycol, or tert- butyl groups. New non-fluorous CO2-soluble
materials were identified, which were acetate-rich with flexible
chains, weak self-interactions, and multidentate interaction
between CO2 and the functional groups.
General
Imprint: |
VDM Verlag
|
Country of origin: |
Germany |
Release date: |
December 2008 |
First published: |
December 2008 |
Authors: |
Lei Hong
|
Dimensions: |
229 x 152 x 9mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
168 |
ISBN-13: |
978-3-639-10800-2 |
Categories: |
Books >
Science & Mathematics >
Chemistry >
General
|
LSN: |
3-639-10800-0 |
Barcode: |
9783639108002 |
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