| 摘要 |
Polyaddition products, containing uretdione groups, of a hexamethylene diisocyanate/isophorone diisocyanate mixture, which contains uretdione groups, and disecondary amines which are obtainable by reaction of a diisocyanate mixture which contains uretdione groups and comprises at least 40 mol% to not more than 80 mol% of isophorone diisocyanate containing uretdione groups with disecondary amines in an NCO/NH ratio of 1:0.5 to 1:0.9 at room temperature to 60.degree.C in a solvent which is inert towards isocyanates.
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