Thermal stability of natural rubber—polyester short fiber composites

Younan, A. F.; Ismail, M. N.; Khalaf, A. I.

doi:10.1016/0141-3910(95)00022-e

Cited by 16 publications

(9 citation statements)

References 5 publications

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“…[14][15][16][17][18][19] The effect of the adhesion system on the thermal stability of NR-polyester short-fiber composites has been examined. 20 Different short fibers (glass, carbon, cellulose, polyamide, and polyester) have been added to the styrene-butadiene-rubber (SBR) matrix, filled with inorganic semireinforcing mineral filler. The composite-cured properties have showed a remarkable anisotropy.…”

Section: Introductionmentioning

confidence: 99%

Reinforced material from reclaimed rubber/natural rubber, using electron beam and thermal treatment

Hassan

Mahmoud

El‐Nahas

et al. 2007

J of Applied Polymer Sci

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Reclaimed rubber powder (RRP) was treated by the addition of maleic anhydride (MA) to impart desired properties suitable for self-adhesive sheets and concrete lining applications. The produced MA-RRP was mixed with natural rubber (NR) with various compositions. A fixed 1 : 1 blend ratio of NR : RRP was reinforced with various contents of glass fiber (GF) in an open two-roll mixing mill. The composites were irradiated using a 1.5 MeV electron beam accelerator at 30 and 50 kGy irradiation doses. Different properties of composite such as tensile strength, elongation at break, hardness, swelling behavior in different media, thermal stability, and scanning electron microscope (SEM) for both unirradiated and irradiated samples with respect to the RRP and GF content were investigated. Results show that the tensile strength and swelling resistance increase with increasing RRP content in the NR/RRP blends, whereas the elongation at break exhibit opposite trend. It can be observed that the hardness increases with increasing the fiber content.

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Section: Introductionmentioning

confidence: 99%

Reinforced material from reclaimed rubber/natural rubber, using electron beam and thermal treatment

Hassan

Mahmoud

El‐Nahas

et al. 2007

J of Applied Polymer Sci

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“…We found that rubber–FS composites possessed the similar stress–strain characteristics of SFRC and exhibited obvious anisotropy of mechanical properties 6, 8, 9. Different from traditional microfibers, such as polyester and nylon, FS nanofibers are inorganic; thus, rubber–FS composites possess better heat resistance, processing flow properties, better appearance of products, and economic efficiency than those of rubber/microfiber composites 10–14…”

Section: Introductionmentioning

confidence: 82%

Structure and mechanical properties of nanodispersed fibrous silicate‐reinforced ethylene–propylene–diene monomer nanocomposites

Zhang

Yin

et al. 2010

J of Applied Polymer Sci

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In this study, ethylene-propylene-diene monomer (EPDM)/fibrillar silicate (FS) nanocomposites were successfully prepared by mechanically blending EPDM with FS, which was modified by silane coupling agent KH570 containing methacryloxy group. The effects of silane content and modified FS on the dispersion of FS and mechanical properties of the composites were investigated. The impact of water in FS on mechanical properties of the composites was also evaluated. The results showed that modified FS could be dissociated into nanofibers dispersing evenly in the EPDM matrix by increasing substantially the loading of silane through the mechanical blending. The optimum loading level of silane coupling agent was up to 24 phr/100 phr FS. Silane KH570 could improve the dispersion of FS and strengthen nanofibersrubber interfacial adhesion even at the loading of as high as 50 phr FS, making FS to exhibit excellent reinforcement to EPDM. Too much FS could not be completely dissociated into nanofibers, slowing down further improvement. The EPDM/FS composites exhibited the similar stressstrain behavior and obvious mechanical anisotropy with short microfiber-reinforced rubber composites. With the increase in silane coupling agent and modified FS, the number of nanofibers increased because of the exfoliation of FS microparticles; thus, the mechanical behaviors would become more obvious. It was suggested that the free water in FS should be removed before mechanically blending EPDM with FS because it obviously affected the tensile properties of the composites. Regardless of whether FS was dried or modified, the EPDM/FS composites changed little in tensile strength after soaked in hot water.

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“…[13] The degradation characteristics of Kevlar fiber-reinforced thermoplastics were reported by Kutty et al [14] Younan et al studied the thermal stability of natural rubber polyester short fiber composites. [15] Suhara et al studied thermal degradation of short polyester fiber-polyurethane elastomer composite and found that incorporation of the short fiber enhanced the thermal stability of the elastomer. [16] Rajeev et al studied thermal degradation of short melamine fiber-reinforced EPDM, maleated EPDM, and nitrile rubber composite with and without bonding agent and found that the presence of melamine fiber in the vulcanizates reduced the rate of decomposition, and the effect was pronounced in the presence of the dry bonding system.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Short Nylon-6 Fiber/Acrylonitrile Butadiene Rubber Composite by Thermogravimetry

Seema¹,

Kutty²

2005

International Journal of Polymer Analysis and Characterization

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: The thermal degradation of short nylon-6 fiber reinforced acrylonitrile butadiene rubber (NBR) composites with and without epoxy-based bonding agent has been studied by thermogravimetric analysis (TGA). It was found that the onset of degradation shifted from 330.5 to 336.1°C in the presence of short nylon fiber, the optimum fiber loading being 20 phr. The maximum rate of degradation of the composites was lower than that of the unfilled rubber compound, and it decreased with increase in fiber concentration. The presence of epoxy resin-based bonding agent in the virgin elastomer and the composites improved the thermal stability. Results of kinetic studies showed that the degradation of NBR and the short nylon fiber reinforced composites followed first-order kinetics.

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Thermal stability of natural rubber—polyester short fiber composites

Cited by 16 publications

References 5 publications

Reinforced material from reclaimed rubber/natural rubber, using electron beam and thermal treatment

Reinforced material from reclaimed rubber/natural rubber, using electron beam and thermal treatment

Structure and mechanical properties of nanodispersed fibrous silicate‐reinforced ethylene–propylene–diene monomer nanocomposites

Characterization of Short Nylon-6 Fiber/Acrylonitrile Butadiene Rubber Composite by Thermogravimetry

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