Fire resistant glazings
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United States of America Patent
Stats
-
Mar 13, 2007
Grant Date -
Sep 25, 2003
app pub date -
Mar 16, 2001
filing date -
Mar 18, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Solutions comprising a sodium silicate waterglass having a modulus of less than 3 and at least 8% by weight of an organic polyhydroxy compound such as glycerol are useful in the production of interlayers used in fire resistant glass laminates. The solutions are dried on a flat surface such as glass to produce a clear intumescent interlayer having improved impact resistance. The dried interlayer may be removed from the surface in the form of an elastomeric material which may also be used as an interlayer in a fire resistant glazing.
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