Influence of Diisocyanates on Dynamic Mechanical Properties of Castable Polyurethane Elastomers

Xiao Dong Chen; Yu Hua Yi

doi:10.4028/www.scientific.net/AMM.217-219.563

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Influence of Diisocyanates on Dynamic Mechanical...

Influence of Diisocyanates on Dynamic Mechanical Properties of Castable Polyurethane Elastomers

Abstract:

A series of castable polyurethane elastomers, based on polytetramethylene glycol as soft segments and toluene diisocyanate, 4, 4’-diphenylmethane diisocyanate, P-phenylene diisocyanate as diisocyanates respectively, were synthesized. The dynamic mechanical analysis method was utilized to determine tan delta property (tanδ). Also the influence of diisocyanates on the dynamic mechanical properties of castable polyurethane elastomers was analyzed. It can be concluded that the P-phenylene diisocyanate system elastomers have the most excellent dynamic mechanical properties.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

563-566

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.563

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Online since:

November 2012

Authors:

Xiao Dong Chen, Yu Hua Yi

Keywords:

Diisocyanates, Dynamic Mechanical Properties, Polyurethane Elastomers

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