Method of manufacturing OSB with acoustic dampening properties
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United States of America Patent
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Nov 2, 2021
Grant Date -
Dec 6, 2018
app pub date -
Dec 5, 2017
filing date -
Dec 5, 2016
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Abstract
A manufacturing process for manufacturing wood products with acoustic dampening properties. A noise-dampening polymer is introduced in-line in the manufacturing process to achieve higher acoustic performance. The polymer can be a viscoelastic polymer which is added during blending of the lignocellulosic strands prior to mat formation, or sprayed or otherwise coated on the lignocellulosic strands during mat formation, prior to formation of any boards or panels.
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