Radiation Processing and Characterization of Some Ethylene-propylene-diene Terpolymer/Butyl (Halobutyl) Rubber/Nanosilica Composites

被引：6
|
作者：
Manaila, Elena [1 ]
Airinei, Anton [2 ]
Stelescu, Maria Daniela [3 ]
Sonmez, Maria [3 ]
Alexandrescu, Laurentia [3 ]
Craciun, Gabriela [1 ]
Pamfil, Daniela [2 ]
Fifere, Nicusor [2 ]
Varganici, Cristian-Dragos [2 ]
Doroftei, Florica [2 ]
Bele, Adrian [2 ]
机构：
[1] Natl Inst Lasers Plasma & Radiat Res, 409 Atomistilor St, Magurele 077125, Romania
[2] Petru Poni Inst Macromol Chem, 41A Grigore Ghica Voda Alley, Iasi 700487, Romania
[3] Natl Res & Dev Inst Text & Leather, Leather & Footwear Inst, 93 Ion Minulescu St, Bucharest 031215, Romania
来源：
POLYMERS | 2020年 / 12卷 / 10期
关键词：
EPDM; electron beam irradiation; nanosilica; crosslinking; mechanical properties; contact angle; water uptake; MECHANICAL-PROPERTIES; GAMMA-IRRADIATION; NATURAL-RUBBER; EPDM; NETWORKS; BEHAVIOR; ACID; REINFORCEMENT; CONSEQUENCES; DEGRADATION;
D O I：
10.3390/polym12102431
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Composites based on ethylene-propylene-diene terpolymer (EPDM), butyl/halobutyl rubber and nanosilica were prepared by melt mixing and subjected to different doses of electron beam irradiation. The effect of irradiation dose on the mechanical properties, morphology, glass transition temperature, thermal stability and water uptake was investigated. The efficiency of the crosslinking by electron beam irradiation was analyzed by Charlesby-Pinner parameter evaluation and crosslink density measurements. The scanning electron microscopy data showed a good dispersion of nanosilica in the rubber matrix. An improvement in hardness and 100% modulus was revealed by increasing irradiation dose up to 150 kGy. The interaction between polymer matrix and nanosilica was analyzed using the Kraus equation. Additionally, these results indicated that the mechanical properties, surface characteristics, and water uptake were dependent on crosslink characteristics.
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页码：1 / 22
页数：20
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