| 학회 |
한국고분자학회 |
| 학술대회 |
2014년 가을 (10/06 ~ 10/08, 제주 ICC) |
| 권호 |
39권 2호 |
| 발표분야 |
고분자합성 |
| 제목 |
Synthesis of PMMA-b-PLLA block copolymer via ATRP and Ring-Opening Polymerization by HPBMP dual initiator |
| 초록 |
Well-defined poly(methyl methacrylate)-b-poly(L-lactide) block copolymers were successfully prepared via ATRP and ROP using 4-(Hydroxymethyl)phenyl 2bromo-2methyl propanoate HPBMP dual initiator. Well-defined poly(methyl methacrylate) (HO-PMMA-Br) is synthesized by ATRP in anisol at 90 oC using HPBMP as initiator and copper (I) chloride (CuCl) with N,N,N,N,N-pentamethyl-diethylenetriamine (PMDETA) used as the catalyst. (PLLA-b-PMMA) block copolymers are synthesized via ROP polymerization in DCM (Dichloromethane) at 35 oC using HO-PMMA-Br as macroinitiator and and 1,8-Diazabicyclo[5.4.0]undec-7-ene [DBU] as catalyst. Synthesized PMMA-b-PLLA block copolymers were characterized by 1H NMR spectroscopy and GPC. The extensive results 2–15 ×104 g/mol molecular weights with 1.05-1.16 PDI of diblock copolymers from GPC, and 1H-NMR are obtained with different molecular composition by changing the molar ratio of monomer/initiator. |
| 저자 |
아브니시1, 빈센트2, 장상신2, 박지철2, 곽종헌2, 이규성2, 김은설2, 김진곤2
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| 소속 |
1POSTECH, 2포항공과대 |
| 키워드 |
ROP; ATRP; dual initiator; block copolymer
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| E-Mail |
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