Thermoelasticity and stress relaxation behavior of polychloroprene/organoclay nanocomposites

Privalko, V. P.; Ponomarenko, Sergiy M.; Привалко, Е. Г.; Schön, Frank; Gronski, W.

doi:10.1016/j.eurpolymj.2005.06.011

Cited by 17 publications

(7 citation statements)

References 16 publications

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“…In this respect, organomodified layered silicate–rubber nanocomposites need special mention, currently being the focus of intense R&D interest in academia and industry. This is quite evident from the plethora of reports1–5 and publications coming out recently in this area 6–54. Studies on organomodified clay rubber nanocomposites have been made using various elastomers such as natural rubber,6–18 styrene butadiene rubber,10, 19–26, 38 ethylene propylene diene rubber,27–32 nitrile rubber,19, 23, 33–37 fluoro elastomers,39–41 polyurethane rubber,11, 42–45 butadiene rubber,19, 20, 37, 46 epoxidized natural rubber,12, 13, 47 butyl rubber,48 chlorobutyl rubber,49 ethylene vinyl acetate rubber,50 polychloroprene rubber,51 polysiloxane rubber,52 polyisoprene,53 and brominated poly(isobutylene‐ co ‐paramethyl styrene) rubber 54…”

Section: Introductionmentioning

confidence: 99%

Organomodified kaolin as a reinforcing filler for natural rubber

Sukumar

Menon

2007

J of Applied Polymer Sci

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China clay (kaolin) has been modified with sodium salt of rubber seed oil (SRSO). SRSO was characterized using X-ray diffraction (XRD), infrared spectroscopy (FTIR), and differential thermal analysis (DTA). XRD of the unmodified and SRSO-modified kaolins showed an increase in the d-(001) spacing of kaolin platelets from 7.15 to 14 Å . FTIR spectroscopy indicated possible grafting of the organic moiety of rubber seed oil (RSO) onto the clay surface. DTA of the SRSO-modified kaolin indicated that the SRSO is more strongly bound in a constraint environment within the lamellae of kaolin. Natural rubber (NR) mix containing 10 phr of SRSO-modified kaolin was found to cure faster than that of a similar mix containing unmodified kaolin. NR vulcanizates containing SRSO-modified kaolin showed considerable increase in tensile modulus, tensile strength, and elongation at break indicating its potential as an organomodified nanofiller.

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Section: Introductionmentioning

confidence: 99%

Organomodified kaolin as a reinforcing filler for natural rubber

Sukumar

Menon

2007

J of Applied Polymer Sci

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“…Firstly U f was calculated and then l/t ratio was determined by using the experimental E c values. Density of MMT was taken as 2650 kg/m 3 (Gronski et al, 2005). 3.…”

Section: Theoretical Resultsmentioning

confidence: 99%

Application of the Experimental Results to the Modified Halpin-Tsai Micromechanical Model to Evaluate the Clay Dispersion in Clay-Reinforced Polyethylene Nanocomposites

Uyanık

2014

International Polymer Processing

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Application of the Experimental Results to the Modified Halpin-Tsai MicromechanicalModel to Evaluate the Clay Dispersion in Clay-Reinforced Polyethylene Nanocomposites Dedicated to Prof. Dr. L. A. Utracki As the one who inspired me to study polymer nanocomposite the late Prof. Dr. L. A. Utracki was ag reat friend and ab rilliant mentor who was much appreciated. He was af antastic motivator for me and his absence will most certainly be felt in the science community.Low-density polyethylene (LDPE)-and linear low-density polyethylene (LLDPE)-based polymer nanocomposites (PNC) containing organicallymodified montmorillonite (MMT) were prepared by melt mixing process. Itaconic acid (IA) and monomethyl itaconate (MMI) grafted polyethylene (PE) were used as compatibilizers. Na-MMT was modified by dodecyl-, hexadecyl-, and octadecyl-ammonium chlorides and then the compatibilizers were synthesized in solution reaction. 5wt% organoclay and different concentration of compatibilizers (5, 10, and 15 wt%) were used for the PNC preparations to compare the effects of compatibilizers. The interlayer spacings, d 001 ,and the mechanical properties of samples were measured by XRD analysis and universal testing machine, respectively. The experimental tensile moduli were used in Halpin-Tsai micro mechanical model to obtain \ l/t" ratios and the results were compared experimental d 001 values obtained from XRD data. It was found that the experimental results are in good agreement with the calculated results.

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“…The effect of natural and synthetic layered clays on the properties of natural rubber was studied by Varghese and Karger‐Kocsis . Several studies have been carried out on organo modified clay rubber nanocomposites .…”

Section: Introductionmentioning

confidence: 99%

Effect of organoclay on the solvent diffusion behavior and mechanical properties of natural rubber nanocomposites

Meera¹,

Thomas²,

Zachariah³

et al. 2017

Polymer Composites

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This article aims to investigate the structure-property relationship of organoclay filled natural rubber (NR) nanocomposites. The nanostructure has been investigated by X-ray diffraction, atomic force microscopy and transmission electron microscopy. The effect of organoclay on the diffusion behavior and mechanical properties of natural rubber has been investigated. The solvent transport properties and the swelling characteristics of the nanocomposites have been studied using toluene and hexane as solvents. It is observed that the nanocomposites exhibit an anomalous trend of transport behavior. The diffusion coefficient and permeability coefficient values are found to be lower for hexane than for toluene. The nanocomposites exhibit improved mechanical properties (tensile strength, tear strength, and modulus) and hardness compared to the unfilled rubber. It is concluded that the dispersion of organoclay has a significant effect on the diffusion and mechanical properties of the nanocomposites. POLYM.

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Thermoelasticity and stress relaxation behavior of polychloroprene/organoclay nanocomposites

Cited by 17 publications

References 16 publications

Organomodified kaolin as a reinforcing filler for natural rubber

Organomodified kaolin as a reinforcing filler for natural rubber

Application of the Experimental Results to the Modified Halpin-Tsai Micromechanical Model to Evaluate the Clay Dispersion in Clay-Reinforced Polyethylene Nanocomposites

Effect of organoclay on the solvent diffusion behavior and mechanical properties of natural rubber nanocomposites

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