C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 14/10 (2006.01) C08G 14/06 (2006.01) D01F 6/74 (2006.01)
Patent
CA 2131768
Water-insoluble condensation products, obtainable by condensation of a mixture containing as essential components (A) from 80 to 99.9 mol%, based on the sum of (A), (B) and (C), of a mixture consisting essentially of (a) from 30 to 99 mol% of melamine and (b) from 1 to 70 mol% of a substituted melamine of the general formula I Image whets X, X' and X " are each selected from the group consisting of NH2, -NHR and -NRR' , and X, X' and X" are not all -NH2 at one and the same time, and R and R' are each selected from the group consisting of hydroxy- C2--C10-alkyl, hydroxy-C2-C4alkyl-(oxa-C2-C4-alkyl)n, where n is from 1 to 5, and amino-C2-C12-alkyl, or mixtures of melamines I, (B) from 0.1 to 10 mol%, based on the sum of (A), (B) and (C) of a polyurea of the general formula II Image Y = C1-C6-alkylene, n = 0 or 1, X = C1-C6-alkylene, C5-C6-cycloalkylene, C1-C6-hydroxyalkylene or C4-C18-oxyalkylene, and R1 - R5 are each H or CH2OH und (C) up to 10 mol%, based on the sum of (A), (H) and (C), of phenols which are unsubstituted or substituted by radicals selected from the group consisting of C1-C9-alkyl and hydroxyl, C1-C4-alkanes substituted by two or three phenol groups, di(hydroxyphenyl) sulfones or mixtures of these phenols, with formaldehyde or formaldehyde source compounds in a molar ratio of melamines to formaldehyde within the range from 1:1.15 to 1:4.5.
Guenther Erhard
Kirchgassner Uwe
Reuther Wolfgang
Basf Aktiengesellschaft
Guenther Erhard
Kirchgassner Uwe
Reuther Wolfgang
Robic
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