| 학회 |
한국고분자학회 |
| 학술대회 |
2010년 봄 (04/08 ~ 04/09, 대전컨벤션센터) |
| 권호 |
35권 1호 |
| 발표분야 |
친환경 바이오소재 |
| 제목 |
Synthesis of Lignin-Based Thermoplastic Copolyester Using Kraft Lignin as a Macromonomer |
| 초록 |
Lignin-based thermoplastic copolyester was synthesized for eco-friendly polymers and composite applications using lignin as a macromonomer to form a high molecular weight polymer. Kraft lignin was polymerized with sebacoyl chloride in the presence of triethylamine in N,N-dimethylacetamide (DMAc), and the molecular weight of the synthesized polymer was controlled by the polymerization temperatures and [COCl]/[OH] ratios providing up to 39 000 corresponding to 45 repeating units of lignin macromonomers. Therefore, the complex electric modulus (CEM) technique was used to determine the glass transition of the synthesized polymer to give around 70C measured by the peak of the imaginary part of CME.Although the molecular weight should further be increased in the future, the developed methodology may help to exploit new applications for eco-friendly sustainable materials in various fields. |
| 저자 |
Nguyen Thi Thanh Binh1, Nguyen Dang Luong2, Dong Ouk Kim3, Seong Hun Lee1, Baek Jin Kim2, Jae-Do Nam3
|
| 소속 |
1Department of Polymer Science and Engineering, 2WCU, 3Sungkyunkwan Univ. |
| 키워드 |
lignin; polyesterification; biopolymer; biodegradation
|
| E-Mail |
|
