Hardener for epoxide resin masses
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United States of America Patent
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Jun 29, 1993
Grant Date -
N/A
app pub date -
Nov 6, 1991
filing date -
Nov 11, 1983
priority date (Note) -
Expired
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Abstract
The present invention provides a hardner for epoxide resin masses based on dicyandiamide, wherein it contains a) dicyandiamide with a particle size of .gtoreq.90% .ltoreq.10 .mu.m. and b) 0.1 to 30% by weight of silicon dioxide and/or of an oxide of a metal of Group IIA or IIB of the Periodic Table with a large specific surface area.
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