Synthesis and Characteristics of Unsaturated Polyester Modified with Rosin Containing 2-Hydroxyethylmethacrylate

2-Hydroxyethylmethacrylate가 도입된 로진 변성 불포화 폴리에스테르의 합성과 그 특성

  • Kang, D.W. (Department of Polymer Science & Engineering, College of Engineering, Dankook University) ;
  • Yoon, D.K. (Department of Polymer Science & Engineering, College of Engineering, Dankook University) ;
  • Kweon, D.K.. (Institute of Biotechnology, Korea University)
  • 강두환 (단국대학교 공과대학 고분자공학과) ;
  • 윤동국 (단국대학교 공과대학 고분자공학과) ;
  • 권동건 (고려대학교 생명공학원)
  • Received : 1999.02.03
  • Accepted : 1999.03.26
  • Published : 1999.05.10


Unsaturated diol (UD) was prepared from the esterification of maleic anhydride with diethylene glycol (DEG). Unsaturated polyesters modified with rosin (UPMR) or with rosin maleic anhydride adduct (RMA) from 2-hydroxyethylmethacrylate (HEMA) and rosin (UPMRH) were prepared by the reaction of UD with RMA or RMA-HEMA. After crosslinking of UPMR and UPMRH with styrene and methylmethacrylate (MMA), respectively, solvent resistance, tensile strength, and adhesion property of the resins were measured. UPMR crosslinked with styrene or MMA shows an excellent resistance to water and acid. Solvents resistance and tensile strength of UPMR using styrene as crosslinking agent were increased compared with those of UPMR using MMA as crosslinking agent. UPMRH showed better solvents resistance and tensile strength than UPMR. Adhesion strengths of UPMR crosslinked with styrene and MMA were 1.61 and 3.02 MPa, and those of UPMRH were 2.32 and 3.89 MPa, respectively.


Supported by : 한국과학재단


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