Multistage chemical recycling of polyurethanes and dicarbamates: A glycolysis–hydrolysis demonstration

P Zahedifar, L Pazdur, CML Vande Velde, P Billen - Sustainability, 2021 - mdpi.com
The use of polyurethanes and, therefore, the quantity of its scrap are increasing.
Considering the thermoset characteristic of most polyurethanes, the most circular recycling …

Biodegradable, flame-retardant, and bio-based rigid polyurethane/polyisocyanurate foams for thermal insulation application

M Borowicz, J Paciorek-Sadowska, J Lubczak… - Polymers, 2019 - mdpi.com
This article raised the issue of studies on the use of new bio-polyol based on white mustard
seed oil and 2, 2'-thiodiethanol (3-thiapentane-1, 5-diol) for the synthesis of rigid …

Synthesis of bio-based polyurethane foam modified with rosin using an environmentally-friendly process

CC Hsieh, YC Chen - Journal of Cleaner Production, 2020 - Elsevier
Rosin is mainly composed of abietic acid, which enhances the properties of materials that
have a high cost and which involve a complicated process. This study produces high …

Natural oil-based rigid polyurethane foam thermal insulation applicable at cryogenic temperatures

K Uram, A Prociak, L Vevere, R Pomilovskis, U Cabulis… - Polymers, 2021 - mdpi.com
This paper presents research into the preparation of rigid polyurethane foams with bio-
polyols from rapeseed and tall oil. Rigid polyurethane foams were designed with a …

[HTML][HTML] Mechanical properties of polyurethane foam for potential application in the prevention and treatment of pressure ulcers

M Abdullah, S Ramtani, N Yagoubi - Results in Engineering, 2023 - Elsevier
The viscoelastic property is a crucial parameter for evaluating the feasibility of the foam to be
used as pressure relief. This work aims to perform experimental measurements to determine …

Hierarchical porous ceramics with 3D reticular architecture and efficient flow-through filtration towards high-temperature particulate matter capture

J Liu, B Ren, Y Wang, Y Lu, L Wang, Y Chen… - Chemical Engineering …, 2019 - Elsevier
Porous ceramics with high porosity and extensive interconnected pores have great
application potential in fields ranging from dye removal to high-temperature particulate …

Cooperative effect of rapeseed oil-based polyol and egg shells on the structure and properties of rigid polyurethane foams

M Leszczyńska, J Ryszkowska, L Szczepkowski… - Polymer Testing, 2020 - Elsevier
Rigid polyurethane foams were manufactured using rapeseed oil-based polyol with hydroxyl
number 270 mg KOH/g (10 wt%-50 wt%) and ground egg shell waste as a natural filler (20 …

Polyurethane foam composites reinforced with renewable fillers for cryogenic insulation

B Sture, L Vevere, M Kirpluks, D Godina, A Fridrihsone… - Polymers, 2021 - mdpi.com
Sawdust, microcellulose and nanocellulose and their silanized forms were used to reinforce
rigid polyurethane (PU) foam composites. The concentration of fillers was varied in the …

Vegetable fillers and rapeseed oil-based polyol as natural raw materials for the production of rigid polyurethane foams

M Leszczyńska, E Malewska, J Ryszkowska… - Materials, 2021 - mdpi.com
The reported study concerns the introduction of renewable raw materials into the formulation
of rigid polyurethane foams in the quest for the sustainable development of polymer …

Variation of mechanical characteristics of polyurethane foam: Effect of test method

KB Park, HT Kim, NY Her, JM Lee - Materials, 2019 - mdpi.com
Polyurethane foam (PUF), a representative insulation material, not only prevents heat
conduction but can also support a load. Particular interest in rigid PUF proliferated over the …