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Magazine articles
Open Access
Progress in foam forming technology, TAPPI JOURNAL August 2019

ABSTRACT: This paper summarizes recent developments in foam forming that were mainly carried out in pilot scale. In addition to improving the efficiency of existing processes and allowing better uniformity in material, a wide variety of raw materials can be utilized in foam forming. The focus of this paper is thin webs—papers, boards and foam-laid nonwovens, along with the pilot scale results obtained at VTT in Finland. For paper and board grades, the most direct advantage of foam forming is the potential to produce very uniform webs from longer and coarser fibers and obtain material savings through that. Another main point is increased solids content after a wet press, which may lead to significant energy savings in thermal drying. Finally, the potential to introduce “difficult” raw materials like long synthetic or manmade fibers into a papermaking process enables the manufacturing of novel products in an existing production line. This paper also briefly discusses other interesting foam-based applications, including insulation and absorbing materials, foam-laid nonwovens, and materials for replacing plastics.

Journal articles
Open Access
Auditing yankee dryer management systems: Theory and practice, TAPPI JOURNAL, November 1998, Vol. 81(11)

Auditing yankee dryer management systems:theory and practice, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
New technology for papermaking: Commercializing biopulping, TAPPI JOURNAL, November 1998, Vol. 81(11)

New technology for papermaking: commercializing biopulping, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Facing the challenge: Mead's Jerry Tatar, TAPPI JOURNAL, November 1998, Vol. 81(11)

Facing the challenge: mead's jerry tatar, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Application suggestions for ac drives, TAPPI JOURNAL, November 1998, Vol. 81(11)

Application suggestions for ac drives, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Project management issues, TAPPI JOURNAL, November 1998, Vol. 81(11)

Project management issues, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Shop talk - handling, circulation, and filtering in metered size press installations, part 1, TAPPI JOURNAL, November 1998, Vol. 81(11)

Shop talk - handling, circulation, and filtering in metered size press installations, part 1, TAPPI JOURNAL, November 1998, Vol. 81(11)

Journal articles
Open Access
Paper science and engineering programs - a comparison of the curricula, TAPPI JOURNAL, October 1998, Vol.81(10)

Paper science and engineering programs - a comparison of the curricula, TAPPI JOURNAL, October 1998, Vol.81(10)

Journal articles
Open Access
Image analysis of ink-jet quality for multi use office paper, TAPPI JOURNAL, October 1998, Vol.81(10)

Image analysis of ink-jet quality for multi use office paper, TAPPI JOURNAL, October 1998, Vol.81(10)

Journal articles
Open Access
Specific perimeter: a statistic for assessing formation and print quality by image analysis, TAPPI JOURNAL, October 1998, Vol.81(10)

Specific perimeter: a statistic for assessing formation and print quality by image analysis, TAPPI JOURNAL, October 1998, Vol.81(10)

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