High-pressure electroosmotic pumps based on porous polymer monoliths
Electroosmotic pumps have been prepared using macroporous polymer monoliths with their pore surface grafted with the ionizable monomers 2-acrylamido-2-methyl-1-propanesulfonic acid and [2-(methacryloyloxy)ethyl]trimethyl ammonium chloride, respectively. The effects of critical parameters such as por...
Saved in:
Published in | Sensors and actuators. B, Chemical Vol. 99; no. 1; pp. 66 - 73 |
---|---|
Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
15.04.2004
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | Electroosmotic pumps have been prepared using macroporous polymer monoliths with their pore surface grafted with the ionizable monomers 2-acrylamido-2-methyl-1-propanesulfonic acid and [2-(methacryloyloxy)ethyl]trimethyl ammonium chloride, respectively. The effects of critical parameters such as pore size of the monolith, percentage of ionizable moieties in the grafted layer, crosslinking density, and driving voltage on both flow rate and pressure have been quantified. Electroosmotic pumps fabricated from the grafted monoliths afforded pressures as high as 0.38
MPa and electric-field-specific flow rates of up to 0.41
ml/min, both at an applied potential of 50
V. |
---|---|
Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0925-4005 1873-3077 |
DOI: | 10.1016/j.snb.2003.10.031 |