Structural packaging foams prepared by uni-directional freezing of paper sludge cellulose nanofibres and poly (vinyl alcohol)
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Authors
Adu, Cynthia
Rahatekar, Sameer S.
Filby, Jyoti
Ayre, David
Jolly, Mark R.
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0167-577X
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Adu C, Rahatekar S, Filby J, et al., (2019) Structural packaging foams prepared by uni-directional freezing of paper sludge cellulose nanofibres and poly (vinyl alcohol). Materials Letters, Volume 253, October 2019, pp. 242-245
Abstract
Porous foams from cellulose nanofibres (CNF) and poly-vinyl alcohol CNF/PVA were prepared by uni-directional freezing to create a homogeneous pore structure. The CNF was derived from paper mills sludge (PMS), a by-product of paper manufacturing waste-water treatment. Sodium tetraborate decahydrate (borax) was used as a crosslinking agent. The density of the CNF/PVA foams were 0.03 g cm−3 with a compressive strength of 116 kPa at 20% strain. The foams were competitive to commercial expanded polystyrene (EPS) foam.
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Github
Keywords
Cellulose nanofibres, Aerogel, Foam, Ice-templating
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Attribution-NonCommercial-NoDerivatives 4.0 International