| 학회 |
한국공업화학회 |
| 학술대회 |
2006년 봄 (05/12 ~ 05/13, 전북대학교) |
| 권호 |
10권 1호 |
| 발표분야 |
고분자 |
| 제목 |
Dispersion Polymerization of Styrene Using Bifunctional Vinylurethane Macromonomers with Structural Difference and Various Molecular Weights |
| 초록 |
Bifunctional cross-type vinyl urethane macromonomers (C-VUM) and linear-type vinyl urethane macromonomers (L-VUM) were successfully synthesized to study effect of the macromonomer as stabilizer in dispersion polymerization of the styrene via ethanol medium. The average size of the C-PS microspheres decreased from 4.4 to 1.36 ㎛and molecular weight increased from 34,129 to 100,487 g/mol with PEG molecular weight. The C-PS molecular weights were characterized higher than L-PS. The XPS result shows that the C-PS were anchored large amount PEG than the L- PS on the particle surface. The Tg of the grafted polystyrene was negligible change around 101 oC, the degradation onset point of the C-PS were higher than L-PS. |
| 저자 |
정혜전, 송기종, 이강석, 최순자
|
| 소속 |
인하대 |
| 키워드 |
dispersion polymerization; reactive stabilizer; macromonomer; polyethylene glycol
|
| E-Mail |
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