Earticle

초록

영어

In this work, the effects of nano TiO2 on functionality and stability of low density polyethylene (LDPE) composite films were investigated for food packaging application. LDPE-nano TiO2 composite films were prepared with various TiO2 contents (0, 0.5, 1.0, 3.0 and 5.0wt%) by melt-extrusion and their basic properties such as crystallinity, chemical bonds and surface morphology were examined by XRD, FTIR and SEM. Ultraviolet (UV) light barrier property of asprepared LDPE-nano TiO2 composite films was also studied and the presence of nano TiO2 resulted in significant improvement of UV light barrier compared to the pure LDPE film. To evaluate influence of nano TiO2 on LDPE properties required as packaging material, thermal, mechanical, gas barrier and optical properties of LDPE-nano TiO2 composite films were characterized with various analytical techniques including TGA, UTM, OTR, WVTR and UV-vis spectroscopy. As a result, except optical property of LDPE, no significant effects were found in other properties. Opacity of pure LDPE was greatly increased with increasing concentration of nano TiO2.

목차

Abstract
 서론
 재료 및 방법
  1. 실험 재료
  2. LDPE-나노 TiO2 복합 필름 제작
  3. 분석 방법
 결과 및 고찰
  1. LDPE-나노 TiO2 복합 필름의 기초 분석
  2. LDPE-나노 TiO2 복합 필름의 자외선 차단 기능성
  3. 나노 TiO2 첨가에 따른 LDPE 재질 특성 평가
 결론
 감사의 글
 참고문헌

키워드

저자

• 이우석 [ Wooseok Lee | 연세대학교 패키징학과 ]
• 고성혁 [ Seonghyuk Ko | 연세대학교 패키징학과 ] Corresponding author

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  한국포장학회지 [Journal of Korea Society of Packaging Science & Technology]

• 간기

  연3회

• pISSN

  1226-0207

• 수록기간

  1994~2025

• 등재여부

  KCI 등재

• 십진분류

  KDC 530 DDC 620