Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Synthesis of Polyurethane Foam with Soybean Oil

콩기름을 이용한 폴리우레탄 포옴의 합성

  • Yang, Do Hyeon (Department of Chemistry, Chungbuk National University) ;
  • Lee, Kwang Young (Department of Chemistry, Chungbuk National University) ;
  • Shin, Jae Sup (Department of Chemistry, Chungbuk National University)
  • 양도현 (충북대학교 자연과학대학 화학과) ;
  • 이광용 (충북대학교 자연과학대학 화학과) ;
  • 신재섭 (충북대학교 자연과학대학 화학과)
  • Received : 1999.04.19
  • Accepted : 1999.07.10
  • Published : 1999.08.10

Abstract

The polyol was synthesized from soybean oil. Soybean oil was epoxized with peracetic acid, and was reacted with methanol in a sulfuric acid catalyst. OH value of synthesized polyol was 186(mg KOH/g). The polyurethane foam was synthesized with silicon type B-8409 as a surfactant, distilled water as a blowing agent, dimethylcyclohexylamine as a catalyst, and polymeric MDI. The density, the compressive strength, the compressive modulus, and the cell structure of the synthesized foam were investigated. The foam was prepared with changing the mole ratio of MDI, and the amount of water, surfactant, and catalyst. As the MDI index was increased, the density and the compressive property of the foam were increased.

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Acknowledgement

Supported by : 과학재단

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