STUDY OF EXTRACTABLE SUBSTANCES AND MICROBIAL PENETRATION OF POLYMERIC PACKAGING MATERIALS TO DEVELOP FLEXIBLE PLASTIC CONTAINERS FOR RADIATION STERILIZED FOODS

Abstract

Flexible packaging laminates were developed and evaluated for use with prepackaged radiation-sterilized ham, bacon and chicken. Laminate structures comprised PET as the ply, and a heat sealable inside ply, namely film of polyolefin, polyamide or polyester. These laminates were evaluated for food compativility, low-temperature resistance, and resistance to microbial and insect penetration. The flexible laminate with the polyamide as the food- contacting film was found satisfactory for use with prepackaged meat in various test environments over a one year storage period. A flexing apparatus, developed to induce bacterial penetration through defects in flexible packages, detected leaks not visible to the naked eye. The three types of laminate tested showed no negligible weight loss and no package rupture in shipping vibration tests performed at temperature as low as -180.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1969
Accession Number
AD0685831

Entities

People

  • C. H. Spiegl
  • F. E. Long
  • G. O. Payne Jr.

Tags

Communities of Interest

  • Human Systems
  • Sensors

DTIC Thesaurus Topics

  • Barometric Pressure
  • Birds
  • Drop Tests
  • Fungi
  • Low Temperature
  • Material Degradation Processes
  • Materials
  • Materials Laboratories
  • Materials Processing
  • Materials Science
  • Materials Testing
  • Measurement
  • Plastic Explosives
  • Plastics
  • Polymeric Films
  • Test And Evaluation
  • Test Methods

Fields of Study

  • Agricultural and Food sciences

Readers

  • Gender and Food Studies
  • Materials Science
  • Polymer Science and Engineering.

Technology Areas

  • Biotechnology