Water soluble one-component polymeric resin binder system for fiberglass mats
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United States of America Patent
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Feb 18, 1986
Issued Date -
N/A
app pub date -
Jun 13, 1985
filing date -
Jun 17, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention covers a water soluble one-component fiberglass mat binder composition which comprises a urea-formaldehyde resin and polyvinyl acetate polymers and/or vinyl acrylic-polyvinyl acetate copolymers in the manufacture of asphalt shingles. The shingles of the invention are formed by the asphalt coating of a fiberglass mat in which the glass fiber mat has been coated with the binder composition and cured to bond the glass fibers together in the mat structure.
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