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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
Magazine articles
Open Access
Effect of conductivity on paper and board machine performanc

Effect of conductivity on paper and board machine performance— a review and new experiences, TAPPI JOURNAL October 2017

Journal articles
Magazine articles
Open Access
Three-dimensional pore structure visualization and character

Three-dimensional pore structure visualization and characterization of paper using X-ray computed tomography, TAPPI JOURNAL September 2017

Journal articles
Magazine articles
Open Access
On the nominal transverse shear strai to characterize the severity of creasing, TAPPI JOURNAL April 2018

On the nominal transverse shear strai to characterize the severity of creasing, TAPPI JOURNAL April 2018

Journal articles
Open Access
Changes in forests and their relationship to air quality, TAPPI JOURNAL April 1988 88APR103

Changes in forests and their relationship to air quality, TAPPI JOURNAL April 1988

Journal articles
Open Access
Nonwovens: the state of the art, TAPPI JOURNAL April 1988 88APR115

Nonwovens: the state of the art, TAPPI JOURNAL April 1988

Journal articles
Open Access
The state of the art of microfiltration-Current and future applications, TAPPI JOURNAL April 1988 88APR123

The state of the art of microfiltration-Current and future applications, TAPPI JOURNAL April 1988

Journal articles
Open Access
Recent developments in pressure-sensitive adhesives, TAPPI JOURNAL April 1988 88APR129

Recent developments in pressure-sensitive adhesives, TAPPI JOURNAL April 1988

Journal articles
Open Access
Computational model for water drainage in fourdrinier paper machines, TAPPI JOURNAL April 1988 88APR133

Computational model for water drainage in fourdrinier paper machines, TAPPI JOURNAL April 1988

Journal articles
Open Access
Automotive nonwoven filter medial: their constructions and filter mechanisms, TAPPI JOURNAL April 1988 88APR161

Automotive nonwoven filter medial: their constructions and filter mechanisms, TAPPI JOURNAL April 1988

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