F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
402/261, 400/504
F16F 7/00 (2006.01) C08G 59/40 (2006.01) C08G 59/62 (2006.01) C08L 63/00 (2006.01)
Patent
CA 1296474
ABSTRACT A first vibration damper of the present invention is obtained by reacting (a) an epoxy resin comprising polyglycidyl ether of polyol or its polymer with (b) a curing agent followed by curing. Because of its specific characteristics, the first vibration damper has excellent vibration damping capacity and is excellent in mechanical strength, service durability and moldability and, moreover, is excellent in stability even when used under the circumstances of high temperature or high vacuum. Furthermore, a second vibration damper of the invention is obtained by reacting (a) an epoxy resin as mentioned above with (b) a curing agent in the presence of (c) a compound having a softening point of less than 25°C followed by curing. The compound (c) is a polymer containing as a principal component aromatic hydrocarbons, phenols or polymers comprising at least one member selected from among them. This second vibration damper of the invention has excellent vibration damping capacity and is excellent in mechanical strength, service durability and moldability.
557709
Fujimoto Jun
Iwata Tadao
Yamamoto Yohzoh
Yamauchi Fumio
Corporation Nec
Fujimoto Jun
Iwata Tadao
Ltd. Mitsui Petrochemical Industries
Macrae & Co.
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