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US 8,298,673 B2Granted
Vibration-damping reinforcement composition, vibration-damping reinforcement material, and method for vibration damping and reinforcement of thin sheet
AssigneeNitto Denko Corporation
InventorsMitsuo Matsumoto, Yasuhiko Kawaguchi
Life of this patent
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Abstract
A vibration-damping reinforcement composition contains 30 to 300 parts by weight of butyl rubber, 30 to 300 parts by weight of acrylonitrile-butadiene rubber, 100 parts by weight of epoxy resin, and 0.5 to 30 parts by weight of an epoxy resin curing agent.
Claims5
A vibration-damping reinforcement composition comprising:
- 160 to 300 parts by weight of butyl rubber,
- 30 to 300 parts by weight of acrylonitrile-butadiene rubber,
- 100 parts by weight of epoxy resin, and
- 0.5 to 30 parts by weight of an epoxy resin curing agent.
1 more element
A vibration-damping reinforcement sheet comprising:
- a vibration-damping reinforcement layer that is obtained by molding a vibration-damping reinforcement composition into a sheet, and
- a restricting layer that is laminated onto one side of the vibration-damping reinforcement layer,
- wherein the vibration-damping reinforcement composition comprises:
- 160 to 300 parts by weight of butyl rubber,
- 30 to 300 parts by weight of acrylonitrile-butadiene rubber,
- 100 parts by weight of epoxy resin, and
- 0.5 to 30 parts by weight of an epoxy resin curing agent.
4 more elements
A method for vibration-damping and reinforcement of thin sheet, wherein a vibration-damping reinforcement sheet is disposed on a thin sheet, and then the vibration-damping reinforcement layer is heated to be cured,
- wherein the vibration-damping reinforcement sheet comprises:
- a vibration-damping reinforcement layer that is obtained by molding a vibration-damping reinforcement composition into a sheet, and
- a restricting layer that is laminated onto one side of the vibration-damping reinforcement layer,
- wherein the vibration-damping reinforcement composition comprises:
- 160 to 300 parts by weight of butyl rubber,
- 30 to 300 parts by weight of acrylonitrile-butadiene rubber,
- 100 parts by weight of epoxy resin, and
- 0.5 to 30 parts by weight of an epoxy resin curing agent.
5 more elements
Dependencies are inferred from the claim text.