Exploring Fully Biobased Adhesives: Sustainable Kraft Lignin and 5-HMF Adhesive for Particleboards

Dorn, Liam Calvin Hilton; Thirion, Arthur Xavier Julien Michel; Ghorbani, Masoumeh; Olaechea von Sonnenberg, Luis Miguel; Mayer, Ingo (2023). Exploring Fully Biobased Adhesives: Sustainable Kraft Lignin and 5-HMF Adhesive for Particleboards Polymers, 15(12), p. 2668. MDPI 10.3390/polym15122668

[img]
Preview
Text
polymers-15-02668-v2.pdf - Published Version
Available under License Creative Commons: Attribution (CC-BY).

Download (3MB) | Preview

Most adhesives used in the wood-based panel (WBP) industry are petroleum-based and are associated with environmental impact and price fluctuations. Furthermore, most have potential adverse health impacts, such as formaldehyde emissions. This has led to interest from the WBP industry in developing adhesives with bio-based and/or non-hazardous components. This research focuses on the replacement of phenol-formaldehyde resins by Kraft lignin for phenol substitution and 5-hydroxymethylfurfural (5-HMF) for formaldehyde substitution. Resin development and optimization was carried out regarding varying parameters such as molar ratio, temperature or pH. The adhesive properties were analyzed using a rheometer, gel timer and a differential scanning calorimeter (DSC). The bonding performances were evaluated using an Automated Bonding Evaluation System (ABES). Particleboards were produced using a hot press, and their internal bond strength (IB) was evaluated according to SN EN 319. Hardening of the adhesive could be achieved at low temperatures by increasing or decreasing the pH. The most promising results were obtained at pH 13.7. The adhesive performances were improved by adding filler and extender (up to 28.6% based on dry resin) and several boards were produced reaching P1 requirements. A particleboard achieved a mean IB of 0.29 N/mm2, almost reaching almost P2 requirements. However, adhesive reactivity and strength must be improved for industrial use.

Item Type:

Journal Article (Original Article)

Division/Institute:

School of Architecture, Wood and Civil Engineering
School of Architecture, Wood and Civil Engineering > Institute for Materials and Wood Technology
School of Architecture, Wood and Civil Engineering > Institute for Materials and Wood Technology > Wood Chemistry
School of Architecture, Wood and Civil Engineering > Institute for Materials and Wood Technology > Polymer Chemistry
School of Architecture, Wood and Civil Engineering > Institut for Building Materials and Biobased Products IBBM
School of Architecture, Wood and Civil Engineering > Institut for Building Materials and Biobased Products IBBM > Biopolymers and Wood Chemistry group FGBH

Name:

Dorn, Liam Calvin Hilton;
Thirion, Arthur Xavier Julien Michel;
Ghorbani, Masoumeh;
Olaechea von Sonnenberg, Luis Miguel and
Mayer, Ingo

Subjects:

T Technology > TH Building construction
T Technology > TP Chemical technology

ISSN:

2073-4360

Publisher:

MDPI

Language:

English

Submitter:

Corinne Amstutz Hugi

Date Deposited:

15 Dec 2023 11:29

Last Modified:

15 Dec 2023 11:29

Publisher DOI:

10.3390/polym15122668

Uncontrolled Keywords:

bio-based adhesive; Kraft lignin; 5-HMF; wood-based panels; particleboards; wood-based composites

ARBOR DOI:

10.24451/arbor.20673

URI:

https://arbor.bfh.ch/id/eprint/20673

Actions (login required)

View Item View Item
Provide Feedback