B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/12 (2006.01) C07F 7/22 (2006.01) C08G 18/24 (2006.01) C08G 18/38 (2006.01) C09D 5/24 (2006.01) C09D 5/44 (2006.01)
Patent
CA 2061032
2682/US3580 ABSTRACT OF THE DISCLOSURE The invention relates to organotin compositions, to a process for their production, and to their use in cata- lyzing the crosslinking reactions of cationic paint binders crosslinkable by transesterification and/or transurethaniza- tion and/or by the reaction of terminal double bonds. The organotin compositions are prepared by dispersion of dibu- tyltin oxide in a dispersion medium comprising at least one substituted oxazolidine compound and, if appropriate, spe- cially chosen water-tolerant organic solvents. Cationic paints, especially cathodically depositable electrocoating paints, catalyzed by the organotin compositions have very good sedimentation stability in dilute paint batches and show no surface defects in the stoved paint films.
Hoenig Helmut
Paar Willibald
Fetherstonhaugh & Co.
Vianova Kunstharz Aktiengesellschaft
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