Compositions comprising aminoplast resins and solid colloidal condensation polymers

U.S. Patent Number: 5321103

Abstract: Free-flowing powdery compositions comprising A) liquid or semi-solid etherified aminoplast resins and B) solid colloidal condensation polymers of urea or melamine and formaldehyde having a pore volume greater than 1 cm.sup.3 /g and a specific surface area greater than 5 m.sup.2 /g. These compositions can be used, for example, as powder coating compositions.

Inventors: Renner; Alfred (Muntelier, CH)

Assignee: Ciba-Geigy Corporation (Ardsley, NY)

Application Number: 08/131,272

Issued: 1994-06-14

Expired: 2006-06-14

Classes: 525/515 ; 525/509; 525/517

Field of search: 525/515,517,509

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