FORMALDEHYDE FREE WOVEN AND NON-WOVEN FABRICS HAVING IMPROVED HOT WET TENSILE STRENGTH AND BINDER FORMULATIONS FOR SAME
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United States of America Patent
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Issued Date -
Feb 18, 2010
app pub date -
Aug 13, 2008
filing date -
Aug 13, 2008
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Abandoned
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Abstract
Glass mats for use in building construction are provided. The mats include chopped glass fibers and a formaldehyde-free-curable binder disposed on the glass fibers. The binder includes a binder selected from polyorganic acid-polyol, starch grafted acrylic styrene and acrylic modified polyvinyl acetate, for example, containing a sufficient amount of a hydrophobic additive to improve the hot wet retention of the mat after five minutes of exposure to 80° C. water by at least about 5%.
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