| 학회 |
한국고분자학회 |
| 학술대회 |
2007년 봄 (04/12 ~ 04/13, 제주 ICC) |
| 권호 |
32권 1호 |
| 발표분야 |
고분자 합성 |
| 제목 |
Curing and Mechanical properties of Polyurethane based on Well-defined Novel Poly(EO-co-THF) polyol |
| 초록 |
Novel synthetic routes were proposed for hydroxy-terminated Poly(EO-co-THF) by Cationic ring-opening copolymerization of tetrahydrofuran (THF) and ethylene oxide (EO). It was carried out using boron tirfluoride tetrahydrofuranate(BF3․ THF complex) as catalyst in the presence of 1,4-butanediol as initiator. In this system, molecular weight of poly(EO-co-THF) was merely dependant on the ratio of [monomer]/[butanediol], but not on catalyst. It showed that this cationic copolymerization follow activated monomer mechanism (AMM). The resultant products are well-defined linear polyetherpolyol. Polyurethane(TPU) were prepared using resultant polyetherpolyol with IPDI/N-100 as curing agent and TPB(triphenylbismuth)/MA(maleic anhydride) mixture as cure catalyst. Mechanical properties of TPU prepared from poly(EO-co-THF) polyol were investigated and compared with polyurethane using PEG and PTHF. |
| 저자 |
유호준, 이범재, 강철한, 이정환, 김나리, 김두환, 신범식, 이종섭
|
| 소속 |
충남대 |
| 키워드 |
Hydroxyl-terminated polyether; Cationic ring-opening copolymerization; Polyurethane; borontrifluoride tetrahydrofurante
|
| E-Mail |
|
