Swellable compositions, articles formed therefrom, and methods of manufacture thereof
AssigneeBaker Hughes, A Ge Company, LLC
InventorsLei Zhao, Zhiyue Xu, James Edward Goodson, Wayne R. Furlan
Life of this patent
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Abstract
A swellable composition comprises: a matrix material; and a condensed expandable graphite material disposed in the matrix material. A seal arrangement comprises: a swellable member and a sealing member disposed on a surface of the swellable member; wherein the swellable member comprises a condensed expandable graphite material. The condensed expandable graphite material in the swellable composition and the swellable member has a bulk density of about 1 to about 8 g/cm3 and comprises expandable graphite.
Claims20
A method of deploying an article, the method comprising:
- positioning an article at a predetermined location;
- the article comprising a composition that contains a matrix material and a condensed expandable graphite material, and wherein the composition has a first shape;
- and
- activating the condensed expandable graphite material to cause the composition to attain a second shape different from the first shape;
- wherein the condensed expandable graphite material has a bulk density of about 1 to about 8 g/cm3 and wherein the condensed expandable graphite material comprises expandable graphite.
A method of making a composition, the method comprising combing a condensed expandable graphite material with a matrix material, wherein the condensed expandable graphite material has a bulk density of about 1 to about 8 g/cm3 and comprises expandable graphite.
A method of forming an article, the method comprising shaping or machining a composition comprising a matrix material and a condensed expandable graphite material, the condensed expandable graphite material having a bulk density of about 1 to about 8 g/cm3 and comprising expandable graphite.
Dependencies are inferred from the claim text.