US 12,488,909 B2
Oxygen and moisture barrier compositions and related methods
Jayant Kumar, Boston, MA (US); Ramaswamy Nagarajan, Boston, MA (US); Siddhant Iyer, Boston, MA (US); Ravi Mosurkal, Boston, MA (US); Lian Li, Boston, MA (US); and Claire Lepont, Boston, MA (US)
Assigned to University of Massachusetts, Boston, MA (US)
Filed by University of Massachusetts, Boston, MA (US)
Filed on Dec. 28, 2023, as Appl. No. 18/398,599.
Claims priority of provisional application 63/435,870, filed on Dec. 29, 2022.
Prior Publication US 2024/0242854 A1, Jul. 18, 2024
Int. Cl. H01B 1/20 (2006.01); C08K 9/08 (2006.01)
CPC H01B 1/20 (2013.01) [C08K 9/08 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A composition comprising:
a plurality of ionic layered filler particles;
wherein each of the plurality of ionic layered filler particles has an aspect ratio of at least 1:100;
wherein the plurality of ionic layered filler particles is coated with an intercalating compound on a surface of the plurality of the ionic layered filler particles;
wherein the intercalating compound has a size sufficient to change the basal spacing of the ionic layered filler particles relative to the basal spacing of the ionic layered filler particles in the absence of the intercalating compound,
wherein the intercalating compound comprises an alkylated polypyridine having a formula (I)

OG Complex Work Unit Chemistry
wherein
each R independently is a C8-24 alkyl group,
n is an integer from 1 to 12, and
each X is independently chloride, bromide, iodide, sulfate, phosphate, acetate, citrate, or nitrate.