C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/50 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/48 (2006.01) C08G 18/70 (2006.01) C08G 18/78 (2006.01) C08G 18/79 (2006.01) C08G 18/80 (2006.01) C09D 175/04 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2143882
The present invention relates to a heat curable, one-component polyurethane reactive compositions containing A) surface-modified, finely divided polyisocyanates in which 0.1 to 25 equivalent percent, based on the total number of NCO groups, of the NCO groups are deactivated and B) a mixture of relatively high molecular weight compounds having isocyanate-reactive groups containing 1 ) 5 to 40 wt.%, based on the weight of component B), of one or more aliphatic polyether polyamines and 2) 60 to 95 wt.%, based on the weight of component B), of a polyol mixture containing i) 10 to 60 wt.%, based on the weight of component B2), of at least one polyester polyol and ii) 40 to 90 wt.%, based on the weight of component B2), of at least one polyether polyol with predominantly primary hydroxyl groups. The present invention also relates to use of the heat curable, one- component polyurethane reactive compositions to prepare coatings, adhesives, anti-drumming products and sealants, especially seam sealants.
Bock Manfred
Casselmann Holger
Drouve Werner
Grogler Gerhard
Hess Heinrich
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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