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US 2019/0100662 A1Published application
Intumescent coating compositions containing expansion agents and related coatings and methods
AssigneePPG Industries Ohio, Inc.
InventorsAditya Lakshmi Narasimha Raju Gottumukkala, Seiko Sisco, Venkateshwarlu Kalsani, Christophe Grenier, Ronnie Albertus Johannes Peskens
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Abstract
An intumescent coating composition includes a binder resin, an acid-generating agent, and an expansion agent. The expansion agent can be meso-lactide, a polylactide or other polyester, a polysulfone, a polycarbonate, a 1,1-di-activated vinyl compound, or an addition polymer of a 1,1-di-activated vinyl compound, or a combination of any thereof.
Claims34
An intumescent coating composition comprising:
- a binder resin;
- an acid-generating agent;
- and
- an expansion agent comprising meso-lactide, polylactide, a polysulfone, a polycarbonate, a polyester, a 1,1-di-activated vinyl compound, or an addition polymer of a 1,1-di-activated vinyl compound, or a combination of any thereof.
1 more element
A two-component intumescent coating composition comprising:
- (A) a binder component comprising an epoxy-functional binder resin;
- and
- (B) a curing agent component comprising:
- an amino-functional resin;
- and
- an expansion agent comprising particles of an addition polymer of a 1,1-di-carbonyl vinyl compound;
- wherein component (A), or component (B), or both components (A) and (B), further comprise an acid-generating agent;
- and
- wherein the coating composition comprises a 100% solids formulation that does not comprise a solvent or an aqueous carrier.
6 more elements
Dependencies are inferred from the claim text.