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Aqueous dispersions, coating compositions formed with aqueous dispersions, and multi-layer coatings

Patent ·
OSTI ID:1632623
; ; ;
An aqueous dispersion includes an aqueous medium and self-crosslinkable core-shell particles dispersed in the aqueous medium. The core-shell particles include (1) a polymeric core at least partially encapsulated by (2) a polymeric shell having urethane linkages, keto and/or aldo functional groups, and hydrazide functional groups. Further, the polymeric core is covalently bonded to at least a portion of the polymeric shell.
Research Organization:
PPG Industries Ohio, Inc., Cleveland, OH (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0005777
Assignee:
PPG Industries Ohio, Inc. (Cleveland, OH)
Patent Number(s):
10,577,518
Application Number:
15/636,687
OSTI ID:
1632623
Country of Publication:
United States
Language:
English

References (5)

The structure and properties of core-shell type acrylic-polyurethane hybrid aqueous emulsions journal May 1997
Urethane/acrylic composite polymer emulsions journal September 1996
Synthesis and characterization of self-crosslinked polyurethane/polyacrylate composite emulsion based on carbonyl–hydrazide reaction journal October 2013
The diacetone acrylamide crosslinking reaction and its influence on the film formation of an acrylic latex journal April 2008
The diacetone acrylamide crosslinking reaction and its control of core-shell polyacrylate latices at ambient temperature journal August 2011

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