BIOFLEXI: HDF flexible fibreboard

Bioflexi is a high-density flexible fibreboard which consists of 80% – 90% cheap annually
renewable resources which are agricultural wastes that are not useful in food production and which are available worldwide. Therefore, the raw material’s price is very cheap and is not competing with food production. The fibreboards can be made of wheat, maize, rice, oat, barley or rye straw. In case of applying rice straw, the fibreboards have an extra advantage of having a silicate concentration of up to 20 % of the dry fibre weight. It is recyclable, compostable and does not include harmful additives.

The disadvantage of using conventional wood fibreboards is that they  are  based  on  slow  non‐annual  renewable  resources. Moreover,  formaldehyde‐  or  isocyanate‐based  resins  are  often used for the production of these boards. Both materials may pose serious  health  risks.  Numerous  conventional  fibreboards  are neither directly recyclable, nor compostable.

Bioflexi is manufactured with methods already currently available in the plastics processing industry and is suitable for free-form interior designs and furniture. It is also slip resistant and has significant impact absorbing properties.

Another  unique  feature  which  sets  the  invention  apart  from conventional  fibreboards,  is  the  board’s  high  flexibility,  which makes it the ideal solution for designing free‐form furniture and interior spaces. Based on proven production methods, the boards are shaped as desired and then fixed by veneer‐layers. Due  to  the  low  raw  material  costs  involved,  this  invention provides  an  attractive  alternative  for  architectural  free‐form applications.

Bioflexi was awarded the MaterialPreis Award 2016 in Stuttgart’s House of Commerce, in the ‘Studie’ category with the prize going to Dr. Hanaa Dahy for her development of the Bioflexi Panel. The award was made by the Design Center of Baden-Würrtemberg and raumProbe Agency.

This invention is a pending European patent in July 2014 (No. EP 14 002 343.3) and a pending international patent (No. PCT / EP2015 / 001238) since June 2015.

Photo credit: ““. Material used in the preparation of this article has been drawn from ITKE / University of Stuttgart.

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