Process for adding a coupling agent to raw stock
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United States of America Patent
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Feb 9, 2016
Grant Date -
Dec 1, 2011
app pub date -
Jan 29, 2010
filing date -
Jan 30, 2009
priority date (Note) -
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Abstract
The invention relates to a process for manufacturing composite material which contains fiber based and polymer based material, wherein the manufacture includes a preliminary treatment process to form a raw stock mixture. According to the invention, the preliminary treatment process includes a hot-cold mixing device which comprises at least a heating stage, and that raw stock, which contains lignin-free material, and a coupling agent are fed to the mixing device to form the raw stock mixture, and adhesion between fiber based and polymer based substances of the raw stock is ameliorated by the coupling agent.
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