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US 5,360,826 AGranted
Expandable coating composition
AssigneeRohm and Haas Company
InventorsScott L. Egolf, Reginald T. Smart
Life of this patent
Estimating the term…
Abstract
An expandable aqueous coating composition includes a polymeric binder including latex particles wherein the latex particles include a copolymer having a glass transition temperature of about -20.degree. C. to about +60.degree. C. and a weight average molecular weight of about 20,000 to about 500,000 and including expandable particles having a liquid blowing agent contained within a thermoplastic shell.
Claims16
An expandable aqueous coating composition, comprising:
- an aqueous polymer emulsion binder, said binder comprising latex particles and said latex particles comprising a copolymer having a glass transition temperature of about -20.degree. C. to about +60.degree. C. and a weight average molecular weight of about 20,000 to about 500,000;
- and
- expandable particles, said expandable particles comprising a liquid blowing agent contained within a thermoplastic shell.
Dependencies are inferred from the claim text.