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Elastic gas barrier coating compositions

Patent ·
OSTI ID:1735180
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An elastic gas barrier coating composition includes a barrier material dispersed in an aqueous media, a polysulfide, and a curing agent reactive with the polysulfide. When applied to a substrate and cured to form a coating, the barrier material forms a continuous phase and a polysulfide elastomer forms a discontinuous phase. An elastic gas coating is also disclosed that includes a continuous phase with a barrier material and a discontinuous phase with a polysulfide elastomer. Substrates at least partially coated with elastic gas barrier coating compositions are further disclosed.

Research Organization:
PPG Industries Ohio, Inc., Cleveland, OH (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0005359
Assignee:
PPG Industries Ohio, Inc. (Cleveland, OH)
Patent Number(s):
10,752,806
Application Number:
14/689,071
OSTI ID:
1735180
Country of Publication:
United States
Language:
English

References (5)

Gas permeability, water absorption, hydrolytic stability and air-oven aging of polyisobutylene-based polyurethane networks journal January 1982
Preparation and Characterization of Polyurethane/Polysulfide Miscible Blend Nanocomposites: Effect of Nanoclay Reinforcement on Morphology, Mechanical and Thermal Properties journal August 2012
TPX/siloxane blend membrane for oxygen enrichment journal August 1987
Sulfone-Containing polymers as high barrier materials journal July 1994
Transport phenomena through polymeric systems journal August 2001

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36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY