Vibration isolator

Details Vibration isolator Vibration isolator

F - Mech Eng,Light,Heat,Weapons

16

F

403/41

F16F 7/12 (2006.01) C08G 18/48 (2006.01) C08G 18/14 (1980.01)

Patent

CA 1133200

Abstract of the Disclosure A vibration isolator consisting essentially of a microcellular polyurethane elastomer having a bulk density of 0.3 - 0.9 g/cm3, said polyurethane elastomer obtained by react- ing in the presence of water as the blowing agent (a) an organic polyisocyanate, (b) a polyether polyol having an average number of functional groups of 2.5 - 3.5 and a number average molecular weight of 4500 - 8500, and (c) a chain extender, in such a ratio that the NCO index is 90 - 110 and the concentration of the chain extender, based on the total weight of the three components (a), (b) and (c), is (0.4 - 2.0) x 10-3 equivalent/gram.

355617

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