Binder for improved glass fiber mats
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United States of America Patent
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Apr 17, 1990
Grant Date -
N/A
app pub date -
Dec 12, 1988
filing date -
Dec 12, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A glass fiber mat having improved strength and fiber wettability is provided by incorporation of a critical amount of between 1% and 6% by weight (solids) of a carboxylated styrene-butadiene latex having a pH between about 5 and about 8.5, a glass transition temperature (Tg) less than 25.degree. C. and a surface tension less than 50 dynes/cm, and 94% and 99% by weight (solids) of a urea-formaldehyde resin solution having a pH of from about 6.5 to about 8.5.
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