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    Volume 46, Issue 4 (March 2018)

    Special Issue Paper

    Seal Strength Evaluation of Flexible Plastic Films by Machine Testing and Human Peeling

    (Received 21 October 2016; accepted 18 July 2017)

    Published Online: 15 March 2018

    CODEN: JTEVAB

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    Abstract

    The seal strength of flexible packaging indicates both functional performance and the ease of opening. This research aims to compare the seal peeling mechanisms evaluated by human participants and standard machine tests. The tests were conducted on flexible films used for typical packaging applications, including low-density polyethylene, linear low-density polyethylene (LLDPE), and nylon/LLDPE. Human peeling was simulated through the use of novel force measurement equipment. The results showed that the maximum machine peel force set by standard test methods was generally lower than the human peel force for most sealing temperatures. In all film types no significant difference was shown between genders, although for people over 65 years of age, peel force was generally lower than for the younger cohort. The results also indicated that peeling speed of human participants was normally higher than the peeling speed set according to the machine test standard.

    Author Information:

    Nilmanee, Somporn
    Department of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, Lat Yao, Chatuchak, Bangkok

    Jinkarn, Tunyarut
    Department of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, Lat Yao, Chatuchak, Bangkok

    Jarupan, Lerpong
    Department of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, Lat Yao, Chatuchak, Bangkok

    Pisuchpen, Supachai
    Department of Material Product Technology, Prince of Songkla University, Songkhla, Amphoe Hat Yai

    Yoxall, Alaster
    Art and Design Research Centre, Sheffield Hallam University, Sheffield S1 1WB,

    Stock #: JTE20160541

    ISSN:0090-3973

    DOI: 10.1520/JTE20160541

    Author
    Title Seal Strength Evaluation of Flexible Plastic Films by Machine Testing and Human Peeling
    Symposium ,
    Committee F02