Title:
安定化された封鎖イソシアネートおよびポリウレタン焼付用ラッカーにおけるその使用
Document Type and Number:
Japanese Patent JP4156693
Kind Code:
B2
Abstract:
The (cyclo)aliphatic polyisocyanates (I), in which at least 95% of the isocyanate (NCO) groups are blocked and the total content of unblocked and blocked NCO groups is 5-25 wt.%, are stabilised with (a) 0.1-5.0 wt.% amine (II) with a 2,2,6,6-tetramethylpiperidin-4-yl, which contains no hydrazine groups, and optionally (b) 0.1-8.0 wt.% hydrazide (III) with a structural unit of the formula -CO-NH-NH- and (c) 0-5.0 wt.% other stabilisers;
Inventors:
Everhard Konitzhi
Karl-Ludwitzhi Noble
Theodor Engbert
Karl-Ludwitzhi Noble
Theodor Engbert
Application Number:
JP26291197A
Publication Date:
September 24, 2008
Filing Date:
September 11, 1997
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
C07C265/04; C07C263/18; C08K5/3435; C08G18/80; C09D175/04
Domestic Patent References:
| JP7188381A | ||||
| JP4234418A | ||||
| JP53018698A | ||||
| JP62010053A | ||||
| JP5078304A |
Attorney, Agent or Firm:
Aoyama Aoi
Yasuo Shibata
Yasuo Shibata