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EFFECT OF AO-2246 ON DAMPING AND MECHANICAL PROPERTIES OF POLYURETHANE

EFFECT OF AO-2246 ON DAMPING AND MECHANICAL PROPERTIES OF POLYURETHANE

Abstract:

The different ratios of AO-2246 were added to the polyurethaneand the effects on damping and mechanical properties of polyurethane were investigated The results show that the loss factor-temperature curve of PU / AO-2246 system has only one transition peakwhich is a thermodynamic compatible system; that as the amount of AO-2246 increasesthe loss factor of polyurethane and the corresponding maximum temperature increaseand tanmax can reach 1. 51that the elongation at break of polyurethane increases when the proper amount of AO-2246 is addedbut its tensile strength and hardness reduce at the same time


KeywordsAO-2246 polyurethane damping mechanical property

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