Back to results
US 12,723,120 B2Granted
Crosslinkable acrylic rubber composition
AssigneeUnimatec Co., Ltd.
InventorSatoru Saito
Life of this patent
Estimating the term…
Abstract
A crosslinkable acrylic rubber composition containing: (A) acrylic rubber containing a carbamic acid ester group and a carboxyl group; (B) a phenothiazine-based antioxidant represented by formula [I], wherein R3 is a hydrogen atom, a monovalent aliphatic hydrocarbon group having 1 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an acyl group represented by formula II, wherein R4 is a monovalent aliphatic hydrocarbon group having 1 to 20 carbon atoms, and R5 is an aralkyl group having 7 to 20 carbon atoms; and (C) a crosslinking accelerator.
Claims7
A crosslinkable acrylic rubber composition comprising:
- (A) acrylic rubber containing a carbamic acid ester group and a carboxyl group;
- (B) a phenothiazine-based antioxidant represented by the following general formula [I]:
- [wherein R3 is a hydrogen atom, a monovalent aliphatic hydrocarbon group having 1 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or an acyl group represented by the following general formula:
- (wherein R4 is a monovalent aliphatic hydrocarbon group having 1 to 20 carbon atoms), and R5 is an aralkyl group having 7 to 20 carbon atoms];
- and
- (C) a crosslinking accelerator.
3 more elements
Dependencies are inferred from the claim text.