| 摘要 |
Free-flowing powdery compositions comprising A) liquid or semi-solid etherified aminoplast resins and B) solid colloidal condensation polymers of urea or melamine and formaldehyd e having a pore volume greater than 1 cm3/g and a specific surface area greater than 5 m2/g. These compositions can be used, for example, as powder coating composition s.
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