Reimelt Henschel MischSysteme: Compounding and Mixing Technology for Natural and Wood Fibre Composites

Underlining its expertise in mixing systems for the compounding of polymers with natural raw materials, the Kassel-based Reimelt Henschel MischSysteme GmbH recently scored dual success. The Valentin Holzwerkstoffe GmbH & Co. KG of Mittenaar-Bicken/Germany entrusted the company with a supply contract for the entire material handling and mixing equipment for its production of WPC (Wood Plastics Composites) profiles. In early June 2004, following thorough testing of all system functions over several weeks of operating trials, the customer started commercial production. The choice of Reimelt Henschel mixing technology had been prompted by
• its reliable and repeatable process technology optimized to individual user needs at Reimelt Henschel’s technology center, e.g., with regard to raw material types and final product characteristics;
• the system’s all-round suitability for diverse formulations (polymer type, moisture content of the wood fibers, raw material mixing ratios); and
• a clearly structured equipment configuration yielding maximum flexibility even with difficult-to-handle fibers.
Valentin relies on plastic/wood fiber composites in its manufacture of an all-new range of eco-friendly and technically sophisticated semi-finished products for interior design and construction applications.
Adding to this achievement, a presentation of Reimelt Henschel’s development in mixing technology for polymers with natural raw materials met with intense interest among the more than 300 international attendees of the 5th Symposium “Global Wood and Natural Fibre Composites” organized by the University of Kassel in late April 2004. As in previous years, the symposium proved a major experience-sharing forum, bringing together industry and researchers for a professional exchange that addressed key aspects of the production, characteristics and uses of plastic/natural fibre composites. In addition, participants were able to witness ‘live’ demonstrations under near-field conditions at Reimelt Henschel’s Mixing Technology Center, gaining new insights into cost-efficient mixing methods for this innovative materials group. In the course of the various presentations detailing fiber drying and polymer agglomeration techniques, participants paid close attention to the process technologies and parameters described and benefited from in-depth discussions with the experts available on site.

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