Structural mat matrix
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United States of America Patent
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Oct 12, 1999
Grant Date -
N/A
app pub date -
Sep 8, 1997
filing date -
Sep 8, 1997
priority date (Note) -
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Abstract
A structural mat matrix comprises (a) a substrate which consists essentially of from 80% to 99% by weight fiberglass fibers and from 20% to 1% by weight wood pulp and (b) a binder which consists essentially of from 80% to 95% by weight urea formaldehyde and from 20% to 5% by weight acrylic copolymer. The binder bonds the substrate fiberglass fibers and wood pulp together and comprises from 5% to 15% by weight of said matrix, preferably 10% by weight of the matrix.
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