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Language: korean

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received December 22, 2011
Accepted September 11, 2012

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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식물성 오일 기반 Poly(β-amino ester) 합성

Synthesis of Vegetable Oil-Based Poly(β-amino ester)

장나리 김범수^†

Na-Ri Jang Beom Soo Kim^†

충북대학교 화학공학과, 361-763 충북 청주시 흥덕구 내수동로 52

Department of Chemical Engineering, College of Engineering, Chungbuk National University, 52 Naesudong-ro, Heungduk-gu, Cheongju, Chungbuk 361-763, Korea

bskim@chungbuk.ac.kr

Korean Chemical Engineering Research, December 2012, 50(6), 1064-1067(4), 10.9713/kcer.2012.50.6.1064 Epub 29 November 2012

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Abstract

최근 저가의 풍부한 재생 가능 천연자원인 식물성 오일에 대한 관심이 증가되고 있다. 식물성 오일은 친환경적인 생분해성 고분자 물질들의 원료로서 사용될 수 있다. 본 연구에서는 acrylated epoxidized soybean oil (AESO)과 2-aminoethanol의 중합 반응에 의해 poly(β-amino ester)를 합성하였다. AESO와 2-aminoethanol의 몰비를 변화시켜 다양한 비율의 고분자 필름을 제조하였다. FT-IR을 이용하여 poly(β-amino ester) 내의 C-N 결합의 생성을 확인하였으며, 98% 이상의 겔함량으로부터 가교 고분자 네트웍이 합성되었음을 확인하였다. 고분자 필름의 인장강도와 신장률은 각각 0.3~1.3 MPa, 32~55%였다. 고분자 필름은 lipase 효소가 첨가된 pH 7.2 완충용액에서 35일 경과 후 2~7%의 질량_x000D_ 감소를 보였다.

Recently, there is a growing interest in vegetable oils, cheap and abundant renewable natural resources. Vegetable oils can be used as raw materials for ecofriendly biodegradable polymer materials. In this study, poly(β-amino esters) were synthesized by polymerization reaction of acrylated epoxidized soybean oil (AESO) and 2-aminoethanol. Various polymer films were prepared by changing the molar ratio of AESO to 2-aminoethanol. The formation of C-N bonds in poly(β-amino ester) was confirmed using FT-IR. Gel contents higher than 98% confirmed the synthesis of crosslinked polymer networks. Tensile strengths and elongation at breaks of polymer films ranged from 0.3 to 1.3 MPa and 32 to 55%, respectively. Polymer films degraded 2 to 7% of the initial weight in 35 days in phosphate buffer solution (pH 7.2) containing lipase enzyme.

Keywords

Poly(β-amino ester) Vegetable Oil Acrylated Epoxidized Soybean Oil 2-aminoethanol

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