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- Title
Applicability of biaxially oriented poly(trimethylene terephthalate) films using bio‐based 1,3‐propanediol in retort pouches.
- Authors
Kim, Jung Min; Lee, Ilwoo; Park, Jun Young; Hwang, Kwon Tack; Bae, Hojae; Park, Hyun Jin
- Abstract
ABSTRACT: Poly(trimethylene terephthalate) (PTT) is a material that has intermediate properties between poly(ethylene terephthalate) (PET) and nylon, and produced by polymerizing bio‐based 1,3‐propanediol and terephthalic acid. In this study, the possibility of replacing existing biaxially oriented PET (OPET) and nylon 6 (ONylon) film with biaxially oriented PTT (OPTT) film is investigated to develop a more environmentally friendly retort pouch. In order to define actual problems in the retort pouch manufacturing process, food process, and distribution process, extensive examinations are conducted to study the degradation of physical properties after the in‐processing and sterilization process, the testing of pinhole resistance caused by stress, and the box level drop test. The results show OPTT film to be a promising alternative for OPET and ONylon film, to a limited extent. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. <bold>2018</bold>, <italic>135</italic>, 46251.
- Subjects
RETORT pouches; CYCLOPROPANE; BIOPOLYMERS; ALUMINUM in packaging; TEREPHTHALIC acid
- Publication
Journal of Applied Polymer Science, 2018, Vol 135, Issue 19, p1
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.46251