Patent ID: 6680349
Filing Date: 2004-01-20
Classification: C08K,G10K

Abstract:
An organohybrid-based damping material, comprising at least a polymer matrix having a polar side chain and an organic damping improver exhibiting piezoelectric, dielectric and electroconductive effects, wherein said organic damping improver is composed of a mixture of a compound (I) containing basic nitrogen and phenolic compound (II):(I) at least one compound containing basic nitrogen, selected from the group consisting of sulfenamides, benzothiazoles, benzotriazoles and guanidines, and (II) at least one phenolic compound shown by the general formula (1): wherein,(1) R1 and R2 are each a hydrocarbon group having a carbon number of 1 to 10, and may be the same or different, (2) (n) and (nâ€²) are an integer of 0 to 3, and may be the same or different, (3) (m) and (mâ€²) are an integer of 1 or 2, and may be the same or different, (4) (s) and (t) are an integer of 1 to 3, and may be the same or different, and (5) X is at least one bonding group selected from the group consisting of oxygen atom, sulfur atom, a hydrocarbon group having a carbon number of 1 to 20 which may contain at least one of member selected from the group consisting of the above atoms and a halogen atom, and a group containing an ester linkage.