| 학회 | 한국화학공학회 |
| 학술대회 | 2020년 가을 (10/14 ~ 10/16, e-컨퍼런스) |
| 권호 | 26권 1호, p.28 |
| 발표분야 | 고분자 |
| 제목 | A New Sustainable Approach Toward Super-tough Polyglycolide-based A-B-A-Type Triblock Copolymer |
| 초록 | A super-tough polyglycolide-b-poly(L-)lactide-b-polyglycolide (b-PLLGA) triblock copolymer was prepared without sacrificing the excellent intrinsic mechanical strength of b-PLLGA. The material was fabricated in a sustainable manner using a simple one-pot conventional ring-opening (ROP) technique with 30 mol% glycolide and (L-)-lactide. The thermal, microstructural, and mechanical properties of the copolymer were characterized and subsequently compared with those of homo-PLLA and random poly(L-)lactide-co-glycolide (r-PLLGA) with a similar molar ratio. The obtained results confirmed that b-PLLGA exhibits higher thermal stability and mechanical strength than homo-PLLA and r-PLLGA. Compared to r-PLLGA, b-PLLGA shows a block-type microstructure as well as two glass transitions (Tg) and two melt transitions (Tm) attributed to blocks of polyglycolide and polylactide, respectively. Acknowledgments This work was supported by the Technology Innovation Program, (10077004) |
| 저자 | Sang Soo Yun1, Muhammad Ayyoob2, Young Jun Kim3 |
| 소속 | 1Polymer Chemistry Lab, 2Department of Chemical Engineering, 3Sungkyunkwan Univ. 2066 |
| 키워드 | 고분자 |
| 원문파일 | 초록 보기 |
