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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
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
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
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
Magazine articles
Slotted headbx screening for fine, publication, and newsprint grades, TAPPI JOURNAL, April 1990, Vol. 73(4)
Slotted headbx screening for fine, publication, and newsprint grades, TAPPI JOURNAL, April 1990, Vol. 73(4)
Magazine articles
Chemically structured kaolin: a new coating pigment, TAPPI JOURNAL, February 1990, Vol. 73(2)
Chemically structured kaolin: a new coating pigment, TAPPI JOURNAL, February 1990, Vol. 73(2)
Magazine articles
Highly alloyed stainless steels to cope with corrosion, TAPPI JOURNAL, December 1990, Vol. 73(12)
Highly alloyed stainless steels to cope with corrosion, TAPPI JOURNAL, December 1990, Vol. 73(12)
Magazine articles
Pump bearings: a new bearing system to improve reliability, TAPPI JOURNAL, March 1990, Vol. 73(3)
Pump bearings: a new bearing system to improve reliability, TAPPI JOURNAL, March 1990, Vol. 73(3)
Magazine articles
Steam cycle passivation and corrosion protection, TAPPI JOURNAL, March 1990, Vol. 73(3)
Steam cycle passivation and corrosion protection, TAPPI JOURNAL, March 1990, Vol. 73(3)
Magazine articles
Measuring customer perception of print quality, TAPPI JOURNAL, March 1990, Vol. 73(3)
Measuring customer perception of print quality, TAPPI JOURNAL, March 1990, Vol. 73(3)