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专利名称：Polyisocyanate/polyamine mixtures and
their use for the production of polyureacoatings
发明人：Edward P. Squiller,Christian Zweiner申请号：US08/449037申请日：19950524公开号：US05559204A公开日：19960924
摘要：The present invention relates to an aldimine/aspartate corresponding to theformula ##STR1## wherein X represents an organic group which has a valency of n and isinert towards isocyanate groups at a temperature of 100° C. or less,
R.sub.1 and R.sub. 2 may be the same or different and represent optionally
substituted hydrocarbon radicals, or R.sub.1 and R.sub.2 together with the &bgr;- carbonatom form a cycloaliphatic or heterocyclic ring and
< P>R.sub.3 and R.sub.4 may be identical or different and represent organic groupswhich are inert towards isocyanate groups at a temperature of 100° C. or less,
R.sub.5 and R.sub.6 may be identical or different and represent hydrogen or organicgroups which are inert towards isocyanate groups at a temperature of 100° C. or less, and
a and b represent integers with a value of 1 to 5, provided that the sum of a and b is 2to 6.
The present invention also relates to coating compositions containing these aldimineaspartates and polyisocyanates, and to the use of these coating compositions for the
production of polyurea coatings.
申请人：BAYER CORPORATION,BAYER AKTIENGESELLSCHAFT
代理人：Joseph C. Gil,Thomas W. Roy
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