Foam forming of fiber products: A review

T Hjelt, JA Ketoja, H Kiiskinen, AI Koponen… - Journal of Dispersion …, 2022 - Taylor & Francis
Aqueous foam can be used as a transfer medium to form lightweight materials from natural
and man-made fibers together with other types of raw materials. This review discusses …

Scalable method for bio-based solid foams that mimic wood

M Reichler, S Rabensteiner, L Törnblom, S Coffeng… - Scientific Reports, 2021 - nature.com
Mimicking natural structures allows the exploitation of proven design concepts for advanced
material solutions. Here, our inspiration comes from the anisotropic closed cell structure of …

A simple approach to produce hydrophobic biobased coatings using methylcellulose and organosolv lignin

K Mobredi, IY Miranda-Valdez, T Mäkinen, J Koivisto… - Soft Matter, 2024 - pubs.rsc.org
Substituting plastics with circular and sustainable alternatives has increasingly become a
priority. Protective coatings, crucial components in numerous industries, are now in demand …

On the strength improvement of lightweight fibre networks by polymers, fibrils and fines

T Pöhler, JA Ketoja, T Lappalainen, VM Luukkainen… - Cellulose, 2020 - Springer
Novel lightweight cellulose fibre materials containing various strength enhancing polymeric
and fibrillar components were formed with the help of foam technology. Increasing inter-fibre …

Changing the Structural and Mechanical Anisotropy of Foam-Formed Cellulose Materials by Affecting Bubble–Fiber Interaction with Surfactant

AE Ketola, W Song, T Lappalainen… - ACS Applied Polymer …, 2022 - ACS Publications
Cellulose fiber materials suitable for filtering, insulation, protective, and hygiene applications
can be formed using aqueous foam as a carrier phase. The subtle fiber–bubble interaction …

Bio‐Based Foams to Function as Future Plastic Substitutes by Biomimicry: Inducing Hydrophobicity with Lignin

IY Miranda‐Valdez, T Mäkinen, X Hu… - Advanced …, 2024 - Wiley Online Library
To replace common plastics, bio‐based alternatives are needed. Cellulose foams, as plant‐
based materials, are the most attractive solution, being often biodegradable and …

Energy absorption and resilience in quasi-static loading of foam-formed cellulose fibre materials

E Pääkkönen, JA Ketoja, J Paltakari - Cellulose, 2024 - Springer
To avoid microplastic pollution, there is an urgent need to replace fossil-based cushioning
materials in packaging with easily recyclable alternatives. Here, we investigated the …

Wood compression in four-dimensional in situ tomography

T Mäkinen, A Halonen, J Koivisto, MJ Alava - Physical Review Materials, 2022 - APS
Wood deformation, in particular when subject to compression, exhibits scale-free avalanche-
like behavior as well as structure-dependent localization of deformation. We have taken …

History effects in the creep of a disordered brittle material

T Mäkinen, J Weiss, D Amitrano, P Roux - Physical Review Materials, 2023 - APS
We study the creep behavior of a disordered brittle material (concrete) under successive
loading steps, using acoustic emission and ultrasonic sensing to track internal damage. The …

Strength and thermal insulation properties of foam-formed ceramic fiber paper with different reinforcement methods

F Hou, N Ding, H Yang, M Huang… - Nordic Pulp & Paper …, 2024 - degruyter.com
Foam-forming technique imparts ceramic fiber paper with excellent uniformity, low density,
and high porosity, but its strength loss must be compensated. Herein, a flexible and rigid …