Self-crosslinking aqueous polystyrene-butadiene dispersions for consolidating bituminizable nonwovens and also consolidated nonwovens
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United States of America Patent
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Feb 17, 2004
Grant Date -
May 29, 2003
app pub date -
Jan 2, 2003
filing date -
Jan 7, 2000
priority date (Note) -
Expired
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Abstract
Self crosslinking aqueous polymer dispersions containing hard and soft copolymers containing polymerized units of a conjugated diene, a vinyl aromatic compound, an organic carboxylic acid and/or anhydride, and at least one crosslinker may be included in consolidated nonwoven constructions. The consolidated nonwoven construction is useful as a base material such as a bituminized roofing mat.
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