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US 8,257,832 B2Granted
Aminoplast or phenoplast resin based on at least one glyoxal monoacetal and on glyoxylic acid, and its uses
AssigneeClariant Specialty Fine Chemicals (France)
InventorsDidier Wilhelm, Ngoc Can Vu
Life of this patent
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Abstract
The invention relates to aminoplast or phenoplast resins comprising the reaction product of the following compounds: a substituted or unsubstituted amine derivative or a substituted or unsubstituted phenol derivative; at least one glyoxal monoacetal; and glyoxylic acid, and also the compositions containing them and their uses as adhesives or binders.
Claims28
Aminoplast or phenoplast resin obtained by reacting the following compounds:
- a substituted or unsubstituted amine derivative or a substituted or unsubstituted phenol derivative;
- at least one glyoxal monoacetal;
- and
- glyoxylic acid,
- the glyoxylic acid being in the free acid form, the hydrated form or in the form of a water-soluble salt, and wherein the aminoplast or phenoplast resin is free from polyols.
2 more elements
Reaction product of the following compounds:
- a substituted or unsubstituted amine derivative or a substituted or unsubstituted phenol derivative;
- at least one glyoxal monoacetal;
- and
- glyoxylic acid,
- the glyoxylic acid being in the free acid form, the hydrated form or in the form of a water-soluble salt and wherein the reaction product is free of polyols.
2 more elements
Dependencies are inferred from the claim text.