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Two Gel States of a PEO-PPO-PEO Triblock Copolymer Formed by Different Mechanisms
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Park, Moon Jeong | - |
| dc.contributor.author | Char, Kookheon | - |
| dc.date.accessioned | 2009-07-27T04:58:17Z | - |
| dc.date.available | 2009-07-27T04:58:17Z | - |
| dc.date.issued | 2002-08-02 | - |
| dc.identifier.citation | Macromol. Rapid Commun. 2002, 23, 688-692 | en |
| dc.identifier.issn | 1022-1336 (print) | - |
| dc.identifier.issn | 1521-3927 (online) | - |
| dc.identifier.uri | https://hdl.handle.net/10371/5846 | - |
| dc.description.abstract | Two gel states of a PEO-PPO-PEO (Pluronic P103) triblock copolymer in water are investigated using small-angle X-ray scattering, rheology and differential scanning calorimetry. The first gel state turns out to be the hexagonal microphase while the second gel state, showing turbidity change with four distinct regions, is somewhat disrupted. The second gel is moreover not thermoreversible as evidenced by rheology. Based upon the present study, two different gelation mechanisms for aqueous PEO-PPO-PEO solutions are proposed. | en |
| dc.description.sponsorship | We are very grateful to the financial support
from the National Research Laboratory Fund (Grant M1- 0104-00-0191) by the Ministry of Science and Technology of Korea, the Brain Korea 21 Program endorsed by the Ministry of Education of Korea, and the Seoul National University Nanoelectronics Institute. Experiments performed at Pohang Light Source (PLS) were supported by MOST. | en |
| dc.language.iso | en | - |
| dc.publisher | John Wiley & Sons | en |
| dc.subject | gels | en |
| dc.subject | Pluronic P103 | en |
| dc.subject | rheology | en |
| dc.subject | turbidity | en |
| dc.title | Two Gel States of a PEO-PPO-PEO Triblock Copolymer Formed by Different Mechanisms | en |
| dc.type | Article | en |
| dc.contributor.AlternativeAuthor | 박문정 | - |
| dc.contributor.AlternativeAuthor | 차국헌 | - |
| dc.identifier.doi | 10.1002/1521-3927(20020801)23:12<688::AID-MARC688>3.0.CO;2-R | - |
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