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US 2022/0098459 A1Published application
Self-healing water-swellable hydraulic seal
AssigneeDanfoss Power Solutions II Technology A/S
InventorsJames Patrick BARNHOUSE, Aaron David CLARK, Kelly Ann WILLIAMS
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Abstract
A self-healing hydraulic seal is provided. The self-healing hydraulic seal is prepared from a water-swellable elastomeric composition comprising a base polymer and a plant-based polysaccharide.
Claims25
-10. (canceled)
A water-swellable elastomeric composition comprising a base polymer and a plant-based polysaccharide.
-27. (canceled)
A water-swellable elastomeric composition comprising
- (i) a base polymer;
- (ii) a plant-based polysaccharide;
- (iii) a diffusion promoter;
- and
- (iv) a fluid retaining agent, wherein
- the plant-based polysaccharide is selected from the group consisting of carrot fiber, squash fiber, yam fiber, turnip fiber, parsnip fiber, coir fiber (coconut husk), flax fiber (herbaceous plant), rice paper plant fiber (Tetrapanax papyriferus), palm fiber, beet fiber, apple fiber, orange fiber, and grapefruit fiber, and mixtures and blends thereof.
3 more elements
Dependencies are inferred from the claim text.