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Paint manufacturers have been formulating paints containing microspheres in many years. Formulators can use microspheres to increase the solid content of a coating while maintaining the proper application and flow characteristics. Higher solids can reduce volatile organic compounds (VOCs), shrinkage and drying time. But there can be problems with settling and sedimentation, as well as floating of the microspheres. In addition, cost of certain types of microspheres can be high. In this article I will show you how the microfibrillated cellulose technology can give anti-settling and anti-sedimentation of microspheres, as well as enabling you to choose less expensive microspheres and obtain the same performance, which typically has been associated with more expensive types.Read more
Microfibrillated cellulose (MFC) is a natural and sustainable material derived from cellulose. As for any process, it is important to have good control of the raw material when producing MFC. For cellulose, the picture is slightly more complicated since there are many cellulose sources that can be used as raw material, and each of them will lead to different MFC qualities. In this blog post I will introduce you to different raw materials, how the processing of the different raw materials can affect the MFC quality and how to deal with the natural variations in the raw material.
Since around year 2000, there has been a notable increase in the number of patent applications filed regarding new MFC materials, new processes for production and new application areas for MFC. The nomenclature used in the field of MFC varies (nanocellulose, cellulose nanofibers, nanocellulosic fibers etc). In this blog post, I will give you a summary of a few interesting patent applications recently published, using the “original” nomenclature MicroFibrillated Cellulose (MFC).
Currently the world financial situation is such that expensive exploration for new oil wells becomes less and less tempting. The successful oil business today is rather driven by the necessity to extract more oil out of any existing oil well, than previously considered desirable or indeed possible.
The various techniques to achieve this are called Enhanced Oil Recovery (EOR). Common for most EOR is some form of liquid or gaseous injection into the well under high pressure. The objective being to force more oil out of the reservoirs for collection.
Welcome to the Exilva blog, brought to you by Borregaard. This is your weekly update on microfibrillated cellulose (MFC). Here you will find articles about MFC characteristics, functionalities and news and tips. Whether you are new to the term "MFC" and its concepts, or experienced within the field, this blog will definitely provide you with some good insights and ideas.