Effects of Phenolic Oligomer on the Dynamic Mechanical Properties of Nitrile Butadiene Rubber

Chang Su; Pan He; Li Huan Xu; Cheng Zhang

doi:10.4028/www.scientific.net/AMR.335-336.120

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 335-336Effects of Phenolic Oligomer on the Dynamic...

Effects of Phenolic Oligomer on the Dynamic Mechanical Properties of Nitrile Butadiene Rubber

Abstract:

In this article, the damping mechanism of organic hybrids consisting of Nitrile Butadiene Rubber (NBR) and phenolic oligomer 4-methyl-pheno reaction products of both dicyclopentadiene and isobutylene (MPDI) were investigated by dynamic mechanical analysis (DMA). It was shown that NBR/MPDI blends exhibit only one damping peak, which shifted to higher temperature with the increase of MPDI content, and the maximum of tan δ peak decreased slightly when the ratio of NBR/MPDI was no more than 100/20, and then increased when the ratio rised from 100/20 to 100/80. Fourier transform infrared spectrum (FT-IR) showed that the hydrogen bond were formed between -OH of MPDI and a-H of NBR. X-ray diffraction (XRD) and differential scanning calorimetry (DSC) measurements indicated that MPDI exhibit amorphous features, which was compatible with the blends. These may imply that much more stable damping material with both higher tan δ peak and controllable damping peak position can be achieved.

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Advanced Materials Research (Volumes 335-336)

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120-123

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https://doi.org/10.4028/www.scientific.net/AMR.335-336.120

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September 2011

Authors:

Chang Su, Pan He, Li Huan Xu, Cheng Zhang

Keywords:

Damping, Dynamic Mechanical Property, Nitrile Butadiene Rubber, Oligomer

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