Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent
1989-01-25
1989-08-08
Ivy, C. Warren
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From aldehyde or derivative thereof as reactant
528 60, 528 61, 528 62, 528 64, 528129, 528164, 528264, 528289, 544296, C08G 7102, C08G 1212
Patent
active
048553948
ABSTRACT:
Condensates based on substituted ureas, their reaction products with di- and/or polyisocyanates, derivatives of di- and/or polycarboxylic acids or p-substituted phenols and/or their methylol derivatives, their preparation and their use. These condensates each contain two or more cyclic urea units and can be prepared either by reacting primary di- or polyamines with ureas and reacting the product with predominantly CH-acidic aldehydes or by reacting primary amines with isocyanates and reacting the product with predominantly CH-acidic aldehydes in the presence of an acidic catalyst. The said condensates and their reaction products are useful for the preparation of heat-curable coating materials and of binders for cathodic electrocoating.
REFERENCES:
patent: 2858319 (1958-10-01), Benneville
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Goeckel Ulrich
Loch Werner
Osterloh Rolf
Petersen Harro
Schupp Eberhard
BASF - Aktiengesellschaft
Ivy C. Warren
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