Curable aqueous composition

Details Curable aqueous composition Curable aqueous composition

2011-08-16

2011-08-16

Sellers, Robert (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S591000

Reexamination Certificate

active

07999015

ABSTRACT:
The present invention provides an aqueous curable composition comprising (A) a compound comprising all or some primary amino groups and/or secondary amino groups optionally neutralized with a Brønsted acid, and (B) a crosslinking agent, the crosslinking agent being a compound having an (N-alkyl-N-(2-acylacyl)amino)alkyloxycarbonylamino group represented by General Formula (I)wherein R1, R2and R3are each independently a hydrogen atom or C1-7alkyl group, R4and R5are each independently a hydrogen atom or C1-16organic group, and Y is a straight C1-6alkylene group optionally substituted with a C1-6organic group as a substituent.

REFERENCES:
patent: WO 93/16133 (1993-08-01), None
patent: WO 94/21738 (1994-09-01), None
patent: WO 01/77202 (2001-10-01), None
patent: WO 2006/106942 (2006-10-01), None
CAS registry No. 24309-97-5 for N-(2-hydroxyethyl)acetoacetamide, 2011, one page.
Jianrong Feng et al.: Formation and Crosslinking of Latex Films through the Reaction of Acetoacetoxy Groups with Diamines under Ambient Conditions, J. Coat. Technol., 70 (881), 1998, 57-68.
J.E. Blasko et al.: Waterborne Polymers for Use in Thermoset Coatings: A New Hydrolysis Resistant Monomer as a Replacement for Acetoacetoxyethyl Methacrylate, J. Coat. Technol., 74 (925), 2002, 83-87.

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