The chemistry of soft tissue

As urbanisation increases, so does demand for more varied and sophisticated tissue products. The tissue giant tells TWM why it has growing confidence in its Thai and Asian tissue operations. The exact recipe for soft tissue is often a well-guarded trade secret. While the recipe or SOP to manufacture soft tissue can be different from corporation...

Widening the operating window to improve competitiveness in today’s environment

Tissue makers have to face consumer demands every day — demands for softer, stronger and more absorbent products at an efficient cost. Whether producing premium brands or value brands for consumers or the away-from-home market, the need to improve product quality and machine productivity never ends. Market trends towards sustainable fibre usage and...

Discussing eco-friendly and effective repulping aids in response to new regulatory challenges

     By  Kemira Chemicals Germany’s Vladimir Grigoriev, senior manager, applications and marketing, Pulp&Paper EMEA, and Tea Hannuksela, group leader Abstract Wet-strengthened paper grades often require a use of oxidative repulping aids. Traditional hypochlorite is undesirable due to its hazardous nature and a contribution to AOX. New...

High efficiency wet strength resin technology breakthrough

  Mark Zempel, Georgia-Pacific Paper Chemicals business manager, describes the path to a wet strength resin with step-change performance claims. A TWM report. For many years, wet strength resins have allowed paper producers to take paper where it normally could not be used – as a replacement for cloth (paper towels), a replacement for plastic...

Tissue and towel sustainability: how next-generation chemicals can enhance sustainable development

By Richard Cho, global marketing director, Solenis. A TWM report. Sustainability is often defined as a requirement of the current generation to manage resources effectively so that future generations can enjoy a similar quality of life. For tissue and towel manufacturers, the three most vital resources to manage are fibre, energy and water. In recent...

Meeting the WSR challenge head on

Wet strength resins are the most expensive chemical application in tissue production. Hence the urgent need for economically effective solutions to reduce consumption. Kemira’s Vladimir Grigoriev and Eric Padovani discuss. A TWM report.     Wet strength in tissue and towel products is traditionally achieved by using relatively high dosages of a...

Chemical technology breakthrough targets significant Yankee Dryer performance improvement

Thomas L. Wright, technical director, Georgia-Pacific Chemicals, explains how the NAVIGATOR coating programme is designed to operate in today’s demanding environment of high temperatures and low reel moisture. A TWM report. The Yankee Dryer reflects the sum total of all the profile and moisture variables of a paper machine. This makes the Yankee Dryer coating...

Utilising KemView™ sheet analyser to optimise softness and control the creping process

By Kemira’s Clay Campbell, Lucyna Pawlowska, Xiaosong Huang There are different roads one can take to achieve tissue softness. The key is to be able to determine how to get there and when you are at your target destination. An easy and reliable measurement of sheet properties that determine softness will help to choose the most effective path and set a...

Grade specific optimisation: Permanent (PAE) versus temporary (GPAM) wet strength utilisation

By Kemira’s Clay Campbell, Harold Goldsberry, Kristin Wittich and Felipe Higa Kemira talks us through the latest chemical technical developments relevant to your business. Historically, it has been quite clear in the manufacture of hygienic paper grades (bath, towel, facial and napkin), which ones have wet tensile specifications and the type and level of wet...

Utilising novel temporary wet strength for the AfH towel market. A TW report

By Kemira Chemicals’ Clay Campbell, Chen Lu, Junhua Chen, Harold Goldsberry, Adrian Stuart Polyamidamine epiclorohydrin (PAE) resins are widely used to provide permanent wet strength (PWS) properties in the away from home (AfH) towel market. However, high PAE usage can cause operation problems, reducing machine’s operational equipment efficiency (% OEE). In...

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