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SUMMARY:Improved fibre product properties using foam-based forming process
  - Hjelt\, T (VTT)
DTSTART:20140224T145500Z
DTEND:20140224T151500Z
UID:TALK51039@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:In the traditional paper making\, foam is found typically to c
 ause problems. However\, in the 1970s foam-laid technology has been demons
 trated in a pilot scale based on Radfoam process [1]. Aqueous foam contain
 ing small spherical air bubbles is excellent material to transport particl
 es in the dispersed state and this kind of foam is used instead of water a
 s a process fluid and flowing medium in foam-laid technology. \n\nFoam for
 ming is found to improve many product properties including more homogenous
  mass distribution\, reduced density\, improved retention of polymers and 
 small particles\, and enhanced water removal [2]. In this presentation I w
 ill go through these improved properties and using our current knowledge t
 o try to explain why these improvements are obtained in foam forming proce
 ss. \n\n[1].Kidner T.L.W.\, The Radfoam process for fine papers\, Paper Te
 chnology\, December 1974. [2].Lehmonen J.\, Jetsu P\, Kinnunen K. and Hjel
 t T. (2013): Potential of foam-laid forming technology for paper applicati
 ons\, NPPRJ 28(3)\, 392-398. \n
LOCATION:Seminar Room 1\, Newton Institute
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