Methyl cellulose와 hydroxypropylated methyl cellulose 필름의 물성

Physical Properties of Methyl Cellulose and Hydroxypropylated Methyl Cellulose Films

  • 한윤정 (가톨릭대학교 식품영양학과) ;
  • 김석신 (가톨릭대학교 식품영양학과)
  • Han, Youn-Jeong (Department of Food Science and Nutrition, The Catholic University of Korea) ;
  • Kim, Suk-Shin (Department of Food Science and Nutrition, The Catholic University of Korea)
  • 발행 : 2007.10.31

초록

본 연구는 MC와 HPMC를 기본 소재로 하여 이에 PEG와 복합인산염을 첨가할 경우 필름의 물성과, stearic acid, AMG 및 sucrose fatty acid ester로 구성된 지질소재를 유화법이나 코팅법으로 가하여 필름으로 제조한 후 물성을 비교하고자 하였다. 우선 연구의 목표 물성을 인장강도 13.0MPa, 신장율 130%, 수증기투과도 $3.47{\times}10^{-2}ng{\cdot}m/m^2{\cdot}s{\cdot}Pa$로 설정하였다. 목표 물성과 비교한 결과 MC나 HPMC에 PEG와 복합인산염으로 기재 필름을 제조하고 여기에 지질소재를 coating법으로 첨가할 경우 수증기 차단성만 조금 더 개선하면 목표물성을 달성할 수 있을 것으로 판단되었고 신장률 면에서 HPMC보다 MC가 더 적합한 것으로 생각되었다.

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