C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/72 (2006.01) C08G 18/79 (2006.01) C08G 18/80 (2006.01) C09D 5/03 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2166657
Polyisocyanate polyaddition products which are solid below 40°C and liquid above 125°C, contain uretdione and urethane groups and have a content of at least 1 wt.% of urethane groups obtained from the reaction of dimeric diols with isocyanate groups; a method of producing the these products by the reaction of polyisocyanates containing uretdione groups with dimeric diols; and the use of these polyaddition compounds as the starting component in the manufacture of polyurethane plastics, particularly as the cross-linking component in thermally cross-linkable two-component polyurethane powder coating compositions.
Halpaap Reinhard
Laas Hans-Josef
Meier-Westhues Hans-Ulrich
Schultz Wolfgang
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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