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Ageing of fibre-laden aqueous foams

Cellulose (London), 2017, Vol.24 (1), p.231-239 [Peer Reviewed Journal]

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Title:
Ageing of fibre-laden aqueous foams
Author: Haffner, Benjamin ; Dunne, Friedrich F. ; Burke, Steven R. ; Hutzler, Stefan
Subjects: Acoustic insulation ; Bioorganic Chemistry ; Ceramics ; Chemistry ; Chemistry and Materials Science ; Coarsening ; Composites ; Drainage ; Fibers ; Foams ; Glass ; Gravitation ; Natural Materials ; Organic Chemistry ; Original Paper ; Physical Chemistry ; Polymer Sciences ; Sustainable Development
Is Part Of: Cellulose (London), 2017, Vol.24 (1), p.231-239
Description: Fibre-laden liquid foams are used in the production process of novel non-woven fibrous materials, employed for example for thermal or acoustic insulation. Here we present an experimental investigation of the stability of such foams. We find that on a time-scale of a few minutes the presence of fibres does not alter the drainage properties of the foam. On a longer time-scale fibres slow down drainage, mainly due to their slowing down of coarsening. The drying of our aged samples leads to a fibre network with a fibre concentration profile that appears to be determined by gravity. Our experiments were performed using fibre concentrations of a few percent, as relevant also to the foam-laid forming of paper, where aqueous foam instead of water is used as a carrier medium for fibres .
Publisher: Dordrecht: Springer Netherlands
Language: English
Identifier: ISSN: 0969-0239
EISSN: 1572-882X
DOI: 10.1007/s10570-016-1100-1
Source: ProQuest Central

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