Vinylpyridine polymer support complexed with boron trifluoride
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United States of America Patent
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-
Apr 2, 1996
Issued Date -
N/A
app pub date -
May 15, 1991
filing date -
Apr 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A latent curing agent for an epoxy resin comprising boron trifluoride on a cross-linked polymer support having at least 10% by weight of pendant pyridine groups. The polymer support is preferably about 25% to 40% cross-linked, and preferably in the form of porous, macroreticular beads having average diameters of less than 30 .mu.m. The combination of this latent curing agent admixed with an epoxy resin is also disclosed, as is the process for making and using the same.
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