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US 10,519,311 B2Granted
Polyurethane elastomer composition and bearing material
AssigneeNok Corporation
InventorsYoichi Hagi, Asahi Kitagawa, Yuichi Suzuki
Life of this patent
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Abstract
Provided are a polyurethane elastomer composition excellent in the abrasion resistance and swelling resistance, and a bearing material formed of the polyurethane elastomer composition. The polyurethane elastomer composition contains a polyurethane elastomer of 100 parts by mass, polyethylene wax of 3˜25 parts by mass, and paraffin wax of 1˜10 parts by mass. Further, preferably the polyurethane elastomer composition contains a cobalt based compound of 0.1˜10 parts by mass.
Claims4
A polyurethane elastomer composition, comprising
- a polyurethane elastomer of 100 parts by mass,
- polyethylene wax of 3˜25 parts by mass, and
- paraffin wax of 1˜10 parts by mass.
Dependencies are inferred from the claim text.