Exploring the effect of electron beam irradiation on the properties of some EPDM-flax fiber composites

被引：12
|
作者：
Stelescu, Maria Daniela [1 ]
Airinei, Anton [2 ]
Manaila, Elena [3 ]
Fifere, Nicusor [2 ]
Craciun, Gabriela [3 ]
Varganici, Cristian [2 ]
Doroftei, Florica [2 ]
机构：
[1] Natl Res & Dev Inst Text & Leather, Leather & Footwear Inst, 93 Ion Minulescu St, Bucharest 031215, Romania
[2] Petru Poni Inst Macromol Chem, 41A Grigore Ghica Voda Alley, Iasi 700487, Romania
[3] Natl Inst Lasers Plasma & Radiat Phys, 409 Atomistilor St, Magurele 077125, Romania
来源：
POLYMER COMPOSITES | 2019年 / 40卷 / 01期
关键词：
ETHYLENE-PROPYLENE COPOLYMERS; NATURAL-RUBBER; MECHANICAL-PROPERTIES; DEGRADATION KINETICS; THERMAL-DEGRADATION; GAMMA-IRRADIATION; SWELLING BEHAVIOR; CROSS-LINKING; POLYMER; VULCANIZATION;
D O I：
10.1002/pc.24653
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Composites based on ethylene propylene diene rubber (EPDM) loaded with different contents of flax fibers were irradiated using accelerated electron beams at various irradiation doses (75, 150, 300, and 600 kGy). The mechanical, physical, thermal properties, and morphology were analyzed as a function of e-beam irradiation dose and natural fiber loading. Also, crosslink density, gel fraction, and water uptake were investigated to characterize the EPDM/fiber composites subjected to e-beam irradiation. It was noted that the irradiation dose had a positive influence on hardness, 100% modulus and tensile strength, but an inverse effect was found on the elongation at break and elasticity. The crosslink density was estimated based on equilibrium solvent-swelling measurements using the Flory-Rehner relation. The kinetic parameters of thermal decomposition were determined applying the Flynn-Wall-Ozawa isoconversional method. POLYM. COMPOS., 40:315-327, 2019. (c) 2017 Society of Plastics Engineers
引用
收藏
页码：315 / 327
页数：13
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