INDUSTRIAL ABSORBENT FROM COTTON REGIN
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United States of America Patent
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Issued Date -
Aug 5, 2010
app pub date -
Jan 29, 2010
filing date -
Jan 30, 2009
priority date (Note) -
Abandoned
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Abstract
A product and process of manufacturing a non-woven web from cotton regin for use as an industrial hydrophobic absorbent, a filter or insulator. The method of processing the cotton regin creates a low-density and, thus, a high-absorbency web. The finished web has a bulk-to-weight ratio of about 25 to 40 mils/osy. The method includes processing cotton regin to a suitable range of fiber and particle sizes, mixing the cotton regin with a thermoplastic bonding agent, and depositing the material onto a steadily advancing belt to produce a relatively low density, loosely formed web. Subsequent processing of the web in an oven softens or melts the bonding agent, thereby adheres it to other web material to give the web its required strength and integrity. One or more continuous, air-permeable layers of scrim or netting may be incorporated on or within the web to provide additional strength or particular surface characteristics.
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