Effects of multi-functional additives during foam extrusion of wheat gluten materials

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Fältnamn	Indikatorer	Metadata
000		03007naa a2200361 4500
001		oai:DiVA.org:kth-345714
003		SwePub
008		240418s2024 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3457142 URI
024	7	a https://doi.org/10.1038/s42004-024-01150-12 DOI
040		a (SwePub)kth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Bettelli, Mercedes A.u KTH,Polymera material4 aut0 (Swepub:kth)u1npa4iw
245	1 0	a Effects of multi-functional additives during foam extrusion of wheat gluten materials
264	1	b Springer Nature,c 2024
338		a print2 rdacarrier
500		a QC 20240418
520		a To broaden the range in structures and properties, and therefore the applicability of sustainable foams based on wheat gluten expanded with ammonium-bicarbonate, we show here how three naturally ocurring multifunctional additives affect their properties. Citric acid yields foams with the lowest density (porosity of ~50%) with mainly closed cells. Gallic acid acts as a radical scavenger, yielding the least crosslinked/ aggregated foam. The use of a low amount of this acid yields foams with the highest uptake of the body-fluid model substance (saline, ~130% after 24 hours). However, foams with genipin show a large and rapid capillary uptake (50% in one second), due to their high content of open cells. The most dense and stiff foam is obtained with one weight percent genipin, which is also the most crosslinked. Overall, the foams show a high energy loss-rate under cyclic compression (84-92% at 50% strain), indicating promising cushioning behaviour. They also show a low compression set, indicating promising sealability. Overall, the work here provides a step towards using protein biofoams as a sustainable alternative to fossil-based plastic/rubber foams in applications where absorbent and/or mechanical properties play a key role.
650	7	a TEKNIK OCH TEKNOLOGIERx Kemiteknikx Polymerteknologi0 (SwePub)204032 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Chemical Engineeringx Polymer Technologies0 (SwePub)204032 hsv//eng
700	1	a Hu, Qisongu KTH,Polymera material4 aut0 (Swepub:kth)u1jfieg8
700	1	a Capezza, Antonio Joseu KTH,Polymera material4 aut0 (Swepub:kth)u1fmvhux
700	1	a Johansson, Evau Department of Plant Breeding, The Swedish University of Agricultural Sciences, Box 190, SE-234 22, Lomma, Sweden4 aut
700	1	a Olsson, Richardu KTH,Polymera material4 aut0 (Swepub:kth)u1ob386f
700	1	a Hedenqvist, Mikael S.u KTH,Polymera material4 aut0 (Swepub:kth)u10rkaxe
710	2	a KTHb Polymera material4 org
773	0	t Communications Chemistryd : Springer Natureg 7:1q 7:1x 2399-3669
856	4	u https://doi.org/10.1038/s42004-024-01150-1y Fulltext
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-345714
856	4 8	u https://doi.org/10.1038/s42004-024-01150-1

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Av författaren/redakt...: Bettelli, Merced ...; Hu, Qisong; Capezza, Antonio ...; Johansson, Eva; Olsson, Richard; Hedenqvist, Mika ...

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