Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
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Glass Fiber Composite Material with Polyurethane Toughener in Unsaturated Polyester Resin (UPR)

불포화 폴리에스터 (UPR)에 폴리우레탄을 첨가하여 강인성을 부여한 유리섬유 복합소재

  • Baek, Chang Wan (The Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology) ;
  • Jang, Tae Woo (The Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology) ;
  • Kim, Taehee (The Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology) ;
  • Kim, Hye Jin (The Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology) ;
  • Kim, Hyeon-Gook (Fine Chemical And Material Technology Support Department, Ulsan Technopark) ;
  • Kim, Changyoon (The Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology) ;
  • Seo, Bongkuk (The Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology) ;
  • Lim, Choong-Sun (The Research Center for Advanced Specialty Chemicals, Korea Research Institute of Chemical Technology)
  • 백창완 (한국화학연구원 정밀화학융합기술연구센터) ;
  • 장태우 (한국화학연구원 정밀화학융합기술연구센터) ;
  • 김태희 (한국화학연구원 정밀화학융합기술연구센터) ;
  • 김혜진 (한국화학연구원 정밀화학융합기술연구센터) ;
  • 김창윤 (울산테크노파크 정밀화학소재기술지원단) ;
  • 김현국 (한국화학연구원 정밀화학융합기술연구센터) ;
  • 서봉국 (한국화학연구원 정밀화학융합기술연구센터) ;
  • 임충선 (한국화학연구원 정밀화학융합기술연구센터)
  • Received : 2021.05.25
  • Accepted : 2021.06.23
  • Published : 2021.06.30
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Abstract

Unsaturated Polyester Resin (UPR) is in general used as a resin to prepare for composite materials with reinforcing materials such as glass fibers. UPR, a thermosetting resin, is used in industry to prepare for sheet molding compound (SMC) molding prepreg that has excellent productivity and is advantageous for mass production among various molding methods of composite materials. The fiber-reinforced composite material using UPR as a matrix material is light and has the advantage of excellent physical properties, but it is weak against impact and is fragile. Four types of polyurethane were synthesized and added to UPR resin to overcome the shortcomings.

Unsaturated Polyester Resin (UPR)은 유리섬유와 같은 강화제와 함께 사용되어 복합재료로 사용된다. 열경화성 수지인 UPR은 복합재료의 다양한 성형법 중 생산성이 우수하고 대량생산에 유리한 sheet molding compound (SMC) 성형법으로 산업에서 사용되고 있다. UPR을 기지재로 하는 섬유강화복합재료는 가볍고, 물성이 뛰어난 장점이 있지만 충격에 약하여 깨지기 쉽고, 경화 이후에는 부피가 감소하는 단점이 있기 때문에 강인성과 유연성을 부여할 수 있는 폴리올과 캡핑제를 달리하는 폴리우레탄 4종을 합성하여 첨가하여 그 단점을 극복하고자 하였다.

Keywords

Acknowledgement

이 연구는 "2021년도 산업통상자원부 연구비 지원에 의한 소재부품기술개발사업 (과제명: CDM형접착소재 및 해체공정기술 개발, 과제번호: 20011124')"과 한국화학연구원 '미래 모빌리티용 첨단 정밀화학소재 개발(SS2141-10)' 사업의 지원을 받아 수행된 연구결과임.

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