| 학회 |
한국고분자학회 |
| 학술대회 |
2013년 가을 (10/11 ~ 10/12, 창원컨벤션센터) |
| 권호 |
38권 2호 |
| 발표분야 |
고분자합성 |
| 제목 |
Polyesterfication between poly(oxyethylene) and adipic acid: Effect of molecular weight of poly(oxyethylene) |
| 초록 |
We investigate the effect of molecular size of poly(oxyethylene) on the rate and degree of the polymerization between adipic acid and poly(oxyethylene). To make the poly(oxyethylene-co-adipate) product have -OH group at the both ends, two equivalent of poly(oxyethylene) to adipic acid was maintained. Stannous 2-ethylhexanoate catalyst was used at the concentration of 0.016 mol catalyst/one mol adipic acid and at 0.48 wt.% of total reactant mixture. The polyesterification rate was interpreted with the acid value data of the reactant-product mixture. The degree of polymerization was calculated using the acid value and hydroxy value of the produced poly(oxyethylene-co-adipate)diol. In the case of using 0.016 mol stannous 2-ethylhexanoate per an adipic acid mol, the polyesterification rate decreased with increasing molecular length of poly(oxyethylene). At 0.48 wt% the catalyst, the reaction rate also exhibited decreasing tendency with increasing molecular length of poly(oxyethylene). |
| 저자 |
정용송, 이상호
|
| 소속 |
동아대 |
| 키워드 |
Polyesterification; molecular weight effect; poly(oxyethylene-co-adipate)diol
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| E-Mail |
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