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Article | REF: AM3415 V1

Aminoplasts

Author: Claude DUVAL

Publication date: January 10, 2006 | Lire en français

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    1. Preparation

    The first patent for the preparation of polycondensates from urea was filed by Czechoslovakian Hans John in Prague in 1918. The first melamine polycondensates were obtained in Germany (Henkel) and Switzerland (Ciba) in 1935.

    Note :

    percentages are always given in mass.

    1.1 Raw materials

    Their chemical formulas are given below: .

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