Effect of γ-irradiation on brittle-tough transition of PBT/EPDM blends

Irradiation can be applied to crosslink the dispersed elastomer phase to increase the modulus and decrease the voiding ability of the elastomer, which results in increasing critical brittle—tough transition elastomer content at constant temperature. The experimental results show that at 25°C the cri...

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Bibliographic Details
Published in:Polymer (Guilford) 1997-08, Vol.38 (16), p.4275-4277
Main Authors: Jiang, Wei, Wang, Zhi-gang, Liu, Chang-hai, Liang, Hao-jun, Jiang, Bing-zheng, Wang, Xue-hui, Zhang, Hui-xuan
Format: Article
Language:English
Subjects:
Applied sciences
brittle-tough transition
Exact sciences and technology
Mechanical properties
Organic polymers
PBT/EPDM blends
Physicochemistry of polymers
Properties and characterization
γ-irradiation
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Summary:Irradiation can be applied to crosslink the dispersed elastomer phase to increase the modulus and decrease the voiding ability of the elastomer, which results in increasing critical brittle—tough transition elastomer content at constant temperature. The experimental results show that at 25°C the critical elastomer content of EPDM shifts to higher composition (shift of about 4wt%) for PBT/EPDM blends after 100kGy γ-irradiation.
ISSN:0032-3861
1873-2291
DOI:10.1016/S0032-3861(97)00112-2