Cold setting compositions, a process for the production thereof and the use thereof for polyurethane production
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United States of America Patent
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Dec 29, 1987
Grant Date -
N/A
app pub date -
Jul 29, 1986
filing date -
Aug 16, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to cold setting compositions of (A) suspensions of solid polyisocyanates with retarded reactivity in aliphatic polyamines, and which are stable under storage due to a polyadduct covering, and (B) polyols and/or water. The activation of the composition is caused by the polyol or water. Additional activating materials can also be added for hardening. Such compositions, which already harden at ambient temperature, are stable under storage, have a long potlife for processing and, in relation to the potlife, have a very short hardening time to the final reaction product.
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