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Water-free bonding of corrugated board
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.ORCID iD: 0000-0002-4239-3987
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.
Swedish patent- and registration office, Sweden.
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.
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2018 (English)In: Packaging: Driving a sustainable future / [ed] Wang S-W, 2018, p. 608-616Conference paper, Published paper (Refereed)
Abstract [en]

The "water-free bonding of corrugated board" concept focuses on thedevelopment, waste management and market potential of a new corrugated board production method. It has earlier been shown that by integrating PLA into paper, certain mechanical properties of corrugated board papers can be enhanced. These enhanced papers have been used for producing corrugated board. Corrugated board is usually produced by gluing the corrugated board paper layers with a starch suspension. This process is reducing the mechanical paper strength and is also energy consuming, as the water added by the starch suspension in the process has to be evaporated. In this study, two new water-free joining techniques for corrugated board have been investigated: PLA-welding, which melts the inherent PLA of the paper to create a bond and using PLA as an adhesive. Both techniques have shown promising results and are recommended for further investigation, however, replacing starch glue with PLA seems to be a solution closer to the market. For the material to fit in a future circular economy it is important that the waste is managed in a way that is sustainable for the environment and the society. Repulp ability testing in combination with literature studies indicate that the new material would be possible to recycle, and that the new material could function in every step described in the EU Waste Framework Directive.

Place, publisher, year, edition, pages
2018. p. 608-616
Keywords [en]
corrugated board, PLA, gluing, circular economy
National Category
Manufacturing, Surface and Joining Technology Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-36526OAI: oai:DiVA.org:ri-36526DiVA, id: diva2:1265867
Conference
The 21st IAPRI World conference on packaging, June 19-22, 2018, Zhuhai, China
Available from: 2018-11-26 Created: 2018-11-26 Last updated: 2018-11-26Bibliographically approved

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Odeberg Glasenapp, AstridAlfthan, Johan

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