COMPOSITES HAVING LEATHER-LIKE CHARACTERISTICS
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United States of America Patent
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Dec 19, 2013
app pub date -
May 29, 2013
filing date -
May 30, 2012
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This present invention is directed to the use of bio-based materials such as functionalized plant oils and natural fibers to provide substitutes for leather materials. The bio-based materials provide composites made with a range of natural fibers such as flax, cotton, jute and kenaf fibers, combined with natural plant oils (triglycerides) such as soy oil, linseed oil and their fatty acids. The natural fibers may be used in their as-delivered woven or nonwoven state and the triglycerides and fatty acids are chemically modified to allow them to react in a controlled manner giving predictable thermal and mechanical properties. The resulting material is a breathable, water resistant, leather-like material. This present invention is also directed to methods of making the substitutes for leather materials.
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