Ambient or low-temperature curable coatings for leather and...

Details Ambient or low-temperature curable coatings for leather and... Ambient or low-temperature curable coatings for leather and...

D - Textiles, Paper

06

N

117/191, 400/652

D06N 3/04 (2006.01) C09D 157/04 (2006.01) D06M 15/263 (2006.01)

Patent

CA 1162670

Abstract of the Disclosure Ambient or low-temperature curable aqueous dispersions of (1) an emulsion polymer containing units polymerized from a monomer mixture of (a) from about 0.252 to about 10% by weight of a polymerizable aldehyde, (b) from about 0.5% to about 10% by weight of an ethylenically unsaturated carboxylic acid, and (c) up to about 99.25% by weight of a least one copolymerizable mono-ethylenically unsaturated monomer, with (2) a curing agent selected from the group of dicarboxylic acid bis-hydrazides and bis-hydrazones are disclosed. The dispersions are useful in leather treating compositions, especially in top coat compositions. A process for producing fully finished leather, or leather substitutes, is also disclosed.

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