Facile preparation of thermoplastic elastomer with high service temperature from dry selective curing of compatibilized EPDM/polyamide-12 blends
- Authors
- Jung, Hyo Shin; Choi, Myung Chan; Chang, Young-Wook; Kang, Phil-Hyun; Hong, Sung Chul
- Issue Date
- May-2015
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Thermoplastic elastomer; Electron beam; Polyamide-12; EPDM; Melt-mixing; Compatibilization
- Citation
- EUROPEAN POLYMER JOURNAL, v.66, pp.367 - 375
- Indexed
- SCIE
SCOPUS
- Journal Title
- EUROPEAN POLYMER JOURNAL
- Volume
- 66
- Start Page
- 367
- End Page
- 375
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/18367
- DOI
- 10.1016/j.eurpolymj.2015.02.035
- ISSN
- 0014-3057
- Abstract
- A facile preparation of thernioplastic elastomer (TPE) from simple polymer blends, elastically reinforced through a dry curing process, is introduced in this study. A TPE with a high service temperature of up to similar to 180 degrees C is prepared by riielt mixing ethylene-propylene-diene rubber (EPDM) with polyamide-12 in the presence Of maleated EPDM as a compatibilizer. A dry curing process employing electron beam (e-beam) irradiation is then applied for the selective cross-linking of the EPDM components, which is confirmed by the gel content and differential scanning calorimetry measurements. The mechanical and elastic properties of the TPE are improved by the e-beam irradiation, as evidenced by the measurements of tensile strength, elongation at break, Young's modulus and tension set, affording a tough TPE. Repeated thermal recycling of the TPE demonstrates an excellent reprocessing capability, affording environmentally friendly TPEs using commercially available resources. (C) 2015 Elsevier Ltd. All rights reserved.
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