Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9566739 | Applied Surface Science | 2005 | 7 Pages |
Abstract
The pore structure of nine polymers of different origin initial and treated in water and acetone for 24Â h and then frozen by liquid nitrogen for 2Â h was studied using low-temperature nitrogen adsorption. An average increase in pore volume and surface area is approximately 16 and 8%, respectively, after freezing with water and 19 and 8%, respectively, after treatment with acetone. However, for some samples, this effect is negative but for others, structural changes are significantly greater (up to 106%) than the average one. Certain treated polymers are characterized by shifted pore size distribution which is also accompanied by displacement of nitrogen adsorption energy distribution.
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Physical Sciences and Engineering
Chemistry
Physical and Theoretical Chemistry
Authors
V.M. Gun'ko, R. Leboda, J. Skubiszewska-ZiÄba, B. Gawdzik, B. Charmas,