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| Presentation | 2011-07-28 11:05 Skin formation in the drying process of a polymer solution Yuji Shimokawa (Tokyo Univ.), Tadashi Kajiya (Paris Diderot Univ.), Tohru Okuzono (Nagoya City Univ.), Keiji Sakai, Masao Doi (Tokyo Univ.)  US2011-23 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | When a polymer solution is dried in air, a polymer-concentrated region, called “skin” layer, often appears near the surface. In this study, an experimental method was developed for detecting the initial process of the formation of the skin-layer. An electric field is applied on the surface of polymer solutions by a wedge type “electric field tweezers”, and the dynamic response of the surface profile is measured by an optical lever technique. Our experiments and theory indicate that when a skin-layer is formed, (i) the slow relaxation process appears in the time domain, and (ii) the long-persisting dip region appears in the surface profile. A parameter to quantify these singular behaviors of the surface response is proposed in this presentation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | polymer solution / drying / skin layer / electric field tweezers / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 158, US2011-23, pp. 5-7, July 2011. | |
| Paper # | US2011-23 | |
| Date of Issue | 2011-07-21 (US) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | US2011-23 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2011-07-28 - 2011-07-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto Electronics Manufacturing Co., Ltd. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Material Proparty, General |
| Paper Information | |
| Registration To | US |
| Conference Code | 2011-07-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Skin formation in the drying process of a polymer solution |
| Sub Title (in English) | |
| Keyword(1) | polymer solution |
| Keyword(2) | drying |
| Keyword(3) | skin layer |
| Keyword(4) | electric field tweezers |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuji Shimokawa |
| 1st Author's Affiliation | The University of Tokyo (Tokyo Univ.) |
| 2nd Author's Name | Tadashi Kajiya |
| 2nd Author's Affiliation | Paris Diderot University (Paris Diderot Univ.) |
| 3rd Author's Name | Tohru Okuzono |
| 3rd Author's Affiliation | Nagoya City University (Nagoya City Univ.) |
| 4th Author's Name | Keiji Sakai |
| 4th Author's Affiliation | The University of Tokyo (Tokyo Univ.) |
| 5th Author's Name | Masao Doi |
| 5th Author's Affiliation | The University of Tokyo (Tokyo Univ.) |
| 6th Author's Name | |
| 6th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2011-07-28 11:05:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2011-23 |
| Volume (vol) | vol.111 |
| Number (no) | no.158 |
| Page | pp.5-7 |
| #Pages | 3 |
| Date of Issue | 2011-07-21 (US) |
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