Organotin compositions containing oxazolidine dispersion media,

Details Organotin compositions containing oxazolidine dispersion media, Organotin compositions containing oxazolidine dispersion media,

1992-02-12

1993-06-22

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

2041817, 523414, 523415, 523417, 525523, 525526, 525528, 528 45, 528 92, 528107, C08G 6526, C08L 6300, C25D 900

Patent

active

052217019

ABSTRACT:
The invention relates to organotin compositions, to a process for their production, and to their use in catalyzing the crosslinking reactions of cationic paint binders crosslinkable by transesterification and/or transurethanization and/or by the reaction of terminal double bonds. The organotin compositions are prepared by dispersion of dibutyltin oxide in a dispersion medium comprising at least one substituted oxazolidine compound and, if appropriate, specially 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.

REFERENCES:
patent: 4683285 (1987-07-01), Paar et al.
patent: 4865704 (1989-09-01), Saatweber et al.

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