Timo Valkealaakso

Title: Timo Valkealaakso: A Pioneer in Paper Sizing Innovations

Introduction

Timo Valkealaakso, an accomplished inventor based in Ruutana, Finland, has made significant contributions to the field of paper manufacturing through his innovative patents. With two patents to his name, Valkealaakso is recognized for his work in enhancing the efficiency of sizing emulsions, which play a crucial role in the paper production process.

Latest Patents

Valkealaakso's latest patents include:

1. **High cationic starch as a promoter in AKD sizing emulsions** - This innovation provides a method for preparing a starch-promoted alkyl ketene dimer (AKD) sizing emulsion. The method involves adding a sizing promoter that includes high-charge cationic starch and polyaluminum chloride (PAC) to a stabilized AKD emulsion. Notably, this addition occurs at ambient temperature after emulsification, stabilization, and homogenization, just before incorporating the starch-promoted emulsion into the papermaking furnish.

2. **Polymer product for improving retention of hydrophobic internal sizing agents in manufacture of paper or board** - This patent outlines a method for manufacturing paper or board using a novel internal sizing system. It includes a hydrophobic internal sizing agent and a water-soluble polymer product, featuring amphoteric polyacrylamide that maintains a neutral or cationic net charge at pH 7. The combination of these components results in improved retention of hydrophobic internal sizing agents, thus enhancing the quality of paper products.

Career Highlights

Valkealaakso is currently associated with Kemira Oyj, a leading global chemical company known for its advanced solutions in water-intensive industries, particularly in paper and board production. His work emphasizes innovation in chemical formulations that improve the performance and sustainability of paper manufacturing processes.

Collaborations

Throughout his career, Valkealaakso has collaborated with notable colleagues, including Jennifer Riser and Kirsi Terava. Their collective expertise and joint efforts contribute to advancing the development of creative solutions within the paper industry.

Conclusion

Timo Valkealaakso stands out as a prominent inventor in the paper manufacturing sector, with his research and patents significantly impacting production efficiencies. As he continues to push the boundaries of innovation, Valkealaakso exemplifies the spirit of inventiveness that drives advancements in industrial applications.