Hot curing or heat-activated composition containing a surface-deactivated polyisocyanate

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United States of America Patent

PATENT NO 9011630
APP PUB NO 20120012251A1
SERIAL NO

13259870

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to curable compositions comprising at least one specific blocked amine, at least one surface-deactivated polyisocyanate that is solid at ambient temperature and optionally water or a water-producing substance. Compositions of this type are characterized by an extremely high storage stability as long as they are not heated. Hot curing compositions that cure with the action of heat can thus be produced. Heat-activated compositions can also be produced. When heat is applied the latter compositions are not cured but are activated so that they are able to cure under the influence of moisture. The curable compositions are particularly suitable for use as adhesives.

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Patent Owner(s)

  • SIKA TECHNOLOGY AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burckhardt, Urs Unterengstringen, CH 169 726
Gimmnich, Peter Constance, DE 5 23

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