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Volume 13
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10.3390/technologies13020049
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Communication

A New Bundling and Packaging Method Using Nonwoven Polylactide Based on Polymer Shrinkage by Carbon Dioxide

by
Takafumi Aizawa
Research Institute for Chemical Process Technology, National Institute of Advanced Industrial Science and Technology, 4-2-1 Nigatake, Miyagino-ku, Sendai 983-8551, Japan
Technologies 2025, 13(2), 49; https://doi.org/10.3390/technologies13020049
Submission received: 24 December 2024 / Revised: 24 January 2025 / Accepted: 27 January 2025 / Published: 28 January 2025
(This article belongs to the Section Innovations in Materials Science and Materials Processing)
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Abstract

This study proposes the exposure of nonwoven fabrics to carbon dioxide for bundling and packaging purposes. The proposed process, which utilizes the shrinking property of the nonwoven fabric during carbon dioxide exposure, is demonstrated on a polylactic acid (PLA) nonwoven fabric produced by the melt-blown method. Evaluating the shrinkage induced by carbon dioxide in PLA nonwoven fabrics with varying degrees of crystallinity, it was found that increasing the crystallinity decreases both the speed and amount of shrinkage. This process is potentially applicable as a simple, inexpensive, and environmentally friendly approach for packaging food and drug products.
Keywords: shrinkage; carbon dioxide; polylactic acid; packaging; crystallinity shrinkage; carbon dioxide; polylactic acid; packaging; crystallinity
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MDPI and ACS Style

Aizawa, T. A New Bundling and Packaging Method Using Nonwoven Polylactide Based on Polymer Shrinkage by Carbon Dioxide. Technologies 2025, 13, 49. https://doi.org/10.3390/technologies13020049

AMA Style

Aizawa T. A New Bundling and Packaging Method Using Nonwoven Polylactide Based on Polymer Shrinkage by Carbon Dioxide. Technologies. 2025; 13(2):49. https://doi.org/10.3390/technologies13020049

Chicago/Turabian Style

Aizawa, Takafumi. 2025. "A New Bundling and Packaging Method Using Nonwoven Polylactide Based on Polymer Shrinkage by Carbon Dioxide" Technologies 13, no. 2: 49. https://doi.org/10.3390/technologies13020049

APA Style

Aizawa, T. (2025). A New Bundling and Packaging Method Using Nonwoven Polylactide Based on Polymer Shrinkage by Carbon Dioxide. Technologies, 13(2), 49. https://doi.org/10.3390/technologies13020049

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