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The Exilva Blog

The leading blog on nanocellulose

Coatings, adhesives/sealants

Everything you need to know about cellulose fibrils in corrugated board

19. October 2021

In this blog post we have collected our key learnings from working with corrugated board in over 170 trials. You will find information about reduced starch consumption, prolonged stability of viscosity in starch adhesives, robustness, increased productivity, bonding quality and how to fight warp. Finally, we share feedback and learnings from customers!

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19. October 2021

Everything you need to know about cellulose fibrils in corrugated board

In this blog post we have collected our key learnings from working with corrugated board in over 170 trials. You will find information about reduced starch consumption, prolonged stability of viscosity in starch adhesives, robustness, increased productivity, bonding quality and how to fight warp. Finally, we share feedback and learnings from customers!

Read more
5. October 2021

Fighting warp from the inside – Flattening effect with Exilva

To wrap up this corrugated boards application series we finish with a focus on warpWarp is one of the most common problems that corrugated board manufacturers face. Producing bent or twisted boards results in excessive scrap, waste and reduced production rates. There may be a number of factors that contribute to this problemleaving out the machinery and focusing on the moisture control in the bonding processwhat happens when we add Exilva (Microfibrillar CelluloseMFC) to the adhesive?

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21. September 2021

The secret to stronger corrugated boards

The bonding quality determines the ultimate strength of the corrugated board. In my previous blog post I revealed increased speed results for the production of corrugated boards. In this blog post I have investigated what effect Exilva Microfibrillated Cellulose (MFC) has on bond strength.

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7. September 2021

Customer story: Increased speed, better bonding and lower cost in the corrugated plant

The corrugated business is an industry always in development. After five years of looking into the corrugated industry and how Exilva can be applied to different glue recipes, we have seen elevating results at more than 70 corrugators around the world. Timer after time customer’s state great results. Our latest success story involves a trip to one of the biggest players in the industry. Our common mission was to fix edge delamination that occurs at slitter scorer on double wall and heavy single wall. Names and location of the customer has been anonymized. 

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7. July 2020

Boost your corrugator productivity with Exilva Microfibrillated cellulose

Having demonstrated the viscosity stabilizing effect of Exilva in starch adhesives, for this third blog post in the corrugated boards application series, I will focus on the effect on glue ability and production speed.

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26. May 2020

Bring your corrugated starch adhesive robustness to a new level with Exilva MFC

In a previous blog post, I explained how the new technology of Exilva microfibrillated cellulose may improve the viscosity stability of starch adhesives. Here is the second blog post in the corrugated boards application series, and now I have entered the glue kitchen of a corrugated boards manufacturer to evaluate the robustness and stability effects of Exilva.

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5. May 2020

Can Exilva be used with Quaternary ammonium compounds?

Quaternary ammonium compounds (QACs) are a group of cationic antimicrobials widely used for numerous industrial and pharmaceutical purposes. They are disinfectant chemicals commonly used in disinfectant wipes, sprays and household cleaners. They are very popular these days as they allow products to claim to be antibacterial and are part of many EPA listed products with emerging viral pathogens and human coronavirus (Covid-19) claims.

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28. April 2020

MFC can help thicken your advanced cleaning products

There is a strong need to disinfect and sanitize frequently touched surfaces. Exilva Microfibrillated cellulose (MFC) is a biobased structuring agent that can thicken household disinfectant and cleaning products at low to high pH, as well as with oxidizing compounds.

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21. April 2020

Can Exilva MFC be used in high alcohol based products such as hand sanitizers?

Hydroalcoholic hand sanitizers are the best option to keep up your hand hygiene when soap and water are not accessible. They are one of the most used and needed products these days. If you are considering formulating a hand sanitizer, read about how you can use Exilva Microfibrillated Cellulose, a biobased material, to structure and thicken your formulations as well as provide a non-tacky feel.

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10. March 2020

A way to reach prolonged stability of starch adhesives

Starch is a natural polymer found in many processes either as an adhesive or a thickener. Following paper production, corrugated board is the second largest application of non-food starches globally, where it it used as an adhesive between the fluting and liners. The control of the adhesive viscosity during process and storage is critical. However, despite further developments regarding the formulation of starch adhesives, the viscosity is commonly not stable enough over extended periods of time, in particular over weekend storage. In this first of a series of blog posts with the corrugated boards application as the example, I will give an introduction to this problem, and the new technology of Exilva, a microfibrillated cellulose, to solve it.

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