US 11,732,127 B2
Polymeric composite materials and methods of making them
Michael A. Bilodeau, Brewer, ME (US); and Jonathan Spender, Enfield, ME (US)
Assigned to University of Maine System Board of Trustees, Orono, ME (US)
Filed by University of Maine System Board of Trustees, Orono, ME (US)
Filed on Sep. 26, 2022, as Appl. No. 17/952,400.
Application 17/952,400 is a division of application No. 15/911,506, filed on Mar. 5, 2018, granted, now 11,485,850.
Application 15/911,506 is a continuation of application No. 14/894,120, granted, now 9,944,789, issued on Apr. 17, 2018, previously published as PCT/US2014/040268, filed on May 30, 2014.
Claims priority of provisional application 61/829,395, filed on May 31, 2013.
Prior Publication US 2023/0117442 A1, Apr. 20, 2023
Int. Cl. C08L 67/04 (2006.01); C08L 67/02 (2006.01); C08K 3/30 (2006.01); C08L 1/02 (2006.01); C08K 3/22 (2006.01); C08K 3/34 (2006.01); C09D 167/04 (2006.01)
CPC C08L 67/04 (2013.01) [C08K 3/22 (2013.01); C08K 3/30 (2013.01); C08K 3/34 (2013.01); C08K 3/346 (2013.01); C08L 1/02 (2013.01); C08L 67/02 (2013.01); C09D 167/04 (2013.01); C08L 2205/16 (2013.01)] 14 Claims
 
1. A composition comprising:
a substrate; and
a coating comprising a composite material,
wherein the coating covers at least a portion of the substrate, and
wherein the composite material comprises:
a polymer matrix comprising polymerized lactic acid, itaconic acid and/or citric acid; and
a dispersed phase, wherein the dispersed phase comprises an inorganic material and/or a fibrous material, wherein the dispersed phase is dispersed within the polymer matrix, and wherein a weight percent of the dispersed phase is in a range from 4% to 80%, based on the total weight of the composite.