• Preparation and Properties of Polyurethane Using Methoxylated Vegetable Oil as Chain Extender
  • Hyung Woo Koo, Young Jun Kim , and Eun-Soo Park*,†

  • Department of Food & Biotechnology, Korea University Sejong Campus, 2511, Sejong-ro, Jochiwon-eup, Sejong-si 30019, Korea
    *Intechnology Co., Ltd., 861-46, Poseungjangan-ro, Jang-an-ri, Jangan-myeon, Hwaseong-si, Gyeonggi-do 18586, Korea

  • 사슬연장제로 메톡실화 식물성 오일을 이용한 폴리우레탄의 제조 및 물성
  • 구형우 · 김영준 · 박은수*,†

  • 고려대학교 세종캠퍼스, *(주)인테크놀로지

  • Reproduction, stored in a retrieval system, or transmitted in any form of any part of this publication is permitted only by written permission from the Polymer Society of Korea.

Abstract

A series of polyurethane (PU) elastomers were synthesized using methoxylated vegetable oils as chain extenders to investigate the effects of their content on the mechanical properties and biodegradability of the resulting PUs. The tensile strength of the chain-extended PU exhibited a maximum at 15 wt% of the methoxylated vegetable oil content, followed by a significant decrease. Conversely, the hardness gradually decreased with increasing content of the methoxylated vegetable oil. Biodegradation tests using Pseudomonas aeruginosa E7 revealed that the chain-extended PU with 15 wt% of methoxylated sunflower oil (MSR), methoxylated corn oil (MCN), methoxylated castor oil (MCR), and methoxylated canola oil (MCA) exhibited biodegradation rates of 16.1, 15.2, 14.2, and 13.6%, respectively, without any initial lag phase.


메톡실화된 식물성 기름을 사슬연장제로 사용하여 일련의 폴리우레탄(PU) 엘라스토머를 합성하고, 이들의 함량이 PU의 기계적 성질 및 생분해성에 미치는 영향을 조사하였다. 사슬연장된 PU의 인장강도는 메톡실화된 식물성 기름의 함량이 15 wt%일 때 최대치를 나타낸 후, 현저히 감소하였다. 반대로, 경도는 메톡실화된 식물성 기름의 함량이 증가함에 따라 점진적으로 감소하였다. 녹농균 E7을 이용한 생분해 시험 결과, methoxylated sunflower oil(MSR), methoxylated corn oil(MCN), methoxylated castor oil(MCR) 및 methoxylated canola oil(MCA)를 15 wt% 함유하는 사슬연장된 PU는 초기 지연 없이 각각 16.1, 15.2, 14.2 및 13.6%의 생분해율을 나타내었다.


Keywords: chain extender, biodegradation, elastomer, epoxidation, polyurethane.

  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2025; 49(3): 285-295

    Published online May 25, 2025

  • 10.7317/pk.2025.49.3.285
  • Received on Oct 12, 2024
  • Revised on Dec 20, 2024
  • Accepted on Jan 7, 2025

Correspondence to

  • Young Jun Kim , and Eun-Soo Park*
  • Department of Food & Biotechnology, Korea University Sejong Campus, 2511, Sejong-ro, Jochiwon-eup, Sejong-si 30019, Korea
    *Intechnology Co., Ltd., 861-46, Poseungjangan-ro, Jang-an-ri, Jangan-myeon, Hwaseong-si, Gyeonggi-do 18586, Korea

  • E-mail: yk46@korea.ac.kr, t2phage@hitel.net