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The Exilva Blog

The leading blog on nanocellulose

Coatings, adhesives/sealants

Boost your corrugator productivity with Exilva Microfibrillated cellulose

7. July 2020

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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27. March 2018

The past, present and future of performance coatings: can waterborne systems improve it?

The performance coatings sector has seen decades of development to protect installations and transportation equipment. The sector has been highly dominated by solvent based systems and these systems have seen incremental innovations for a long period of time. The end-user demands for these systems have been set in a context of a world in an ever-changing environment: high pressure on efficiency, increased globalization and international trade, as well as the period of increased climate focus. So how is this world going to look in the near future? In my attempt to share thoughts on this subject, I will focus on the rheology system, how its currently being solved and how it can be solved with alternative, more environmentally friendly technologies in the future.

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20. March 2018

What is Cellulose fibrils and Exilva microfibrillated cellulose?

Never heard of Cellulose Fibrils, like microfibrillated cellulose (often referred to as nanocellulose)? Don't worry, I will guide you through the things you need to know. It is a completely new additive made from natural raw materials, designed to provide yield stress, shear thinning, stability and barrier improvements. It is the natural alternative to outperform current oil-based technologies. I will during this article give you a quick overview of what cellulose fibrils, using the example of Exilva microfibrillated cellulose, is and how it can benefit you.

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13. March 2018

Acoustic and dielectric properties of nanocellulose

Nanocellulose has been a hot topic for several years and numerous applications have been proposed, some of them more potential than the others. The major limitation for the wider use of nanocellulose has been the limited commercial availability. The term nanocellulose, however, covers several different types of nano- and microfibrillated and fibrillar cellulose products. One of those is bacterial cellulose which is also more commonly referred as bio-cellulose. It might come as a surprise for many of us, but bio-cellulose is in fact present in several commercially available products. One of those were the legendary Sony MDR-R10 headphones which were introduced already as early as 1988.

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6. March 2018

Dust control with cellulose fibrils

Dust originating from abrasion of dry materials can cause a danger to the health and environment. One of the industries that is paying a lot of attention to dust control is the seed treatment industry. Seed treatments are an essential part of today’s agriculture and it means applying the crop protections products, like insecticides and fungicides, directly on the seeds before planting. This is regarded as an effective way to apply the crop protection products and can reduce the needed amount of the products in total. However, the applied substances can start wearing off from the seeds when they are transported and handled which can cause unhealthy dust. 

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27. February 2018

Topic Tuesday: A talk with one of the pioneers in nanocellulose and cellulose fibrils

Dr. Julien Bras from the Grenoble Institute of Techonology has been working in the field of cellulose fibrils, nanocellulose and microfibrillated cellulose for two decades. He is considered as one of the pioneers on the concept as we know it today. In this 5 minutes chat with Dr. Bras, we touched upon several topics regarding this new material. Do not miss out on the opportunity to listen in to Dr, Bras ideas one some of the directions the cellulose fibrils and nanocellulose will be taking in the future. 

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20. February 2018

Why cellulose fibrils is a completely new cellulose product

Cellulose fibrils has been present in the academic sector since the 1980’s, but it is completely newborn in a commercial sense. I experience from time to time that the mix up between cellulose fibrils and soluble cellulose (polymers) can create issues in understanding the full potential of the fibrils within a formulation. In this blog post I will try to give you a brief overview of why cellulose fibrils is quite different from the other types of cellulose products as you have learned to know them.

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13. February 2018

Temperature stability of cellulose fibrils

Typically, when using polymeric rheology modifiers, the viscosity of a formulation decreases with increasing temperature and the polymers can even degrade at higher temperatures. This can cause problems for the manufacturer or user, like instability of the formulation or difficulties in application. Cellulose fibrils and cellulose in general are stable against temperatures up to 200-300 °C, which makes them a good choice when a temperature stable viscosity modifier is needed. Earlier, we have described how you can achieve a stable viscosity in your formulation with cellulose fibrils in the temperature range of 20-90 °C. This time I would like to discuss what happens when we go over 100 °C, either in wet or dry state.

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6. February 2018

Research review: new interesting applications for cellulose fibrils

Within the field of nanocellulose and cellulose fibrils, there is an increasingly rapid pace of new developments, where the cellulose fibrils either appear on its own or as a part of an advanced relationship between several performance enhancers. Today I have collected two highly interesting, but very separate news articles for you, but where the common denominator is the ability to retrieve strength and performance from these types of materials. Enjoy!

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30. January 2018

Topic Tuesday: High temperature stability with cellulose fibrils

Another episode of Topic Tuesday where we break down the rheological profile of cellulose fibrils under certain conditions. This week we will show you the robustness of your product's rheology profile under different temperatures when using cellulose fibrils.

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23. January 2018

Cellulose fibrils for immediate skin anti-wrinkle effect

There are many different solutions for reducing wrinkles and age marks on the skin. These range from long term permanent treatments of the skin to formulations that have immediate, temporary and only optical effects on the skin. In most formulations and products, a combination of a permanent solution with an immediate effect is desired.

In this blog post, I will introduce the terms “anti-aging”, “anti-wrinkle effect”, “immediate anti-wrinkle effect” and follow up with a few points explaining why cellulose fibrils can potentially give an immediate skin anti-wrinkle effect.

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