FILLER MIXTURE FOR THE PRODUCTION OF THERMOPLASTIC SHOE REINFORCEMENT MATERIALS
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United States of America Patent
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Nov 12, 2015
app pub date -
Jun 27, 2013
filing date -
Jul 5, 2012
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Abstract
The present invention relates to a filler mixture made from a bioplastic and a specially selected, renewable natural material, specifically a material consisting of rice husk powder in a volume of up to 50% by weight and polylactic acid powder of up to 70% by weight, which is suitable for the production of thermoplastic reinforcement materials for the footwear industry, primarily for toe caps and counters. Shoe reinforcement materials using the filler mixture according to the invention can be produced both on a double belt system and by extrusion, particularly by coextrusion.
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