Research on Mechanical Properties, Compatibility, Flame Retardancy, Hot-Air Ageing Resistance of Hydrogenated Nitrile-Butadiene Rubber/Chloroprene Rubber Blends

Wang, Teng Teng; Zhong, Guo; Zhou, Li Ling

doi:10.4028/www.scientific.net/amr.750-752.816

Cited by 3 publications

(3 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Chloroprene rubber has recently been combined with other elastomers to achieve special properties of either the CR-based compounds or compounds based on second ingredients. A few reports describe blends of CR with other rubber, such as natural rubber (NR) [10,11], hydrogenated acrylonitrile-butadiene rubber (HNBR) [12,13], styrene-butadiene rubber [14], butadiene rubber (BR) [15,16] or chlorosulfonated polyethylene (CSM) [17] have been published thus far. The Salleh et al [11] investigated two types of blends containing the natural rubber and chloroprene rubber or epoxidized natural rubber and chloroprene rubber.…”

Section: Introductionmentioning

confidence: 99%

“…It was found that natural rubber/recycled chloroprene rubber blend cross-linked rapidly than epoxidized natural rubber/ recycled chloroprene rubber blend. In case of the CR/HNBR blends cured with dicumyl peroxide in the presence of zinc oxide, the tensile strength and thermal resistance depend on the amount of CR in these compounds and decrease with the content of CR [13]. Mingyi et al [15] studied the structure and properties of chloroprene, butadiene rubber and styrene-butadiene-styrene copolymer (CR/BR/SBS) blends.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

The effect of metal oxide on the cure, morphology, thermal and mechanical characteristics of chloroprene and butadiene rubber blends

2019

View full text Add to dashboard Cite

This paper discusses the role of metal oxides (MeO) in the cross-linking process and useful properties of chloroprene and butadiene rubber (CR/BR) blends. Iron(III) oxide (Fe 2 O 3), iron(II,III) oxide (Fe 3 O 4), silver(I) oxide (Ag 2 O) or zinc oxide were used. It has found that every proposed metal oxide can be used as a cross-linking agent of the CR/BR blends. The degree of cross-linking was evaluated by means of vulcametric parameters, equilibrium swelling in selected solvents and Mooney-Rivlin elasticity constants. The properties of the cured CR/BR products, such as tensile strength, stress at elongation, tension set under constant elongation and compression set, were also investigated. The results revealed that all CR/BR/MeO vulcanizates were characterized by a high cross-linking degree and satisfying mechanical properties. The most important advantage of obtained rubber goods is very high resistance to flame. The increase in the oxygen index value for the CR/BR/Fe 2 O 3 , CR/BR/ Fe 3 O 4 and CR/BR/Ag 2 O vulcanizates compared to the standard cross-linked chloroprene rubber showed that presented metal oxides provided a positive effect on the resistance to flame of the new CR/BR/MeO composites. Satisfactory properties of the studied blends are related to the presence of the interelastomer bonding of both rubbers in the compositions.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The effect of metal oxide on the cure, morphology, thermal and mechanical characteristics of chloroprene and butadiene rubber blends

2019

View full text Add to dashboard Cite

show abstract

“…Elastomeric blends are of great importance in the processing of polymers because they are characterized by high performance parameters, durability, well-balanced mechanical properties, and a relatively low cost [ 30 , 31 ]. Therefore, rubbers blends have gained considerable attention in various applications in all fields of industry and technology [ 32 ].…”

Section: Resultsmentioning

confidence: 99%

Interelastomer Reactions Occurring during the Cross-Linking of Hydrogenated Acrylonitrile-Butadiene (HNBR) and Chloroprene (CR) Rubbers Blends in the Presence of Silver(I) Oxide (Ag2O) and Mechanical Properties of Cured Products

2023

View full text Add to dashboard Cite

The purpose of this paper was to examine the possibility of producing new blends of hydrogenated acrylonitrile-butadiene and chloroprene rubbers (HNBR/CR) unconventionally cross-linked with silver(I) oxide (Ag2O), and to investigate the physicomechanical properties of the obtained materials. From the obtained results, it can be concluded that HNBR/CR composites were effectively cured with Ag2O, which led to interelastomer reactions, and the degree of binding of HNBR with CR was in the range of 14–59%. The rheometric and equilibrium swelling studies revealed that the cross-linking progress depended on the weight proportion of both elastomers, and the degree of cross-linking was greater with more content of chloroprene rubber in the tested blends. Interelastomer reactions occurring between HNBR and CR improved the homogeneity and miscibility of the tested compositions, which was confirmed by differential scanning calorimetry (DSC) and scanning electron microscopy (SEM) analyses. The tensile strength and hardness of the obtained HNBR/CR/Ag2O vulcanizates proportionally increased with the content of CR, while the tear strength showed an inverse relationship. The obtained new, unconventional materials were characterized by significant resistance to thermo-oxidative factors, which was confirmed by the high aging factor.

show abstract

Effects of elevated temperature and crude oil on the properties of a hydrogenated nitrile butadiene rubber elastomer

Tan

Han

Zhang

2016

J of Applied Polymer Sci

View full text Add to dashboard Cite

The stability and durability of hydrogenated nitrile butadiene rubber (HNBR) material in crude oil environments are of great importance for petroleum equipment to resist leakage and to ensure reliability. In this paper, an HNBR material was fabricated, and the degradation of the HNBR material was investigated in simulated crude oil environments. One crude oil and three temperatures (50 °C, 75 °C, and 100 °C, based on actual crude oil operations, were used in this study. Weight changes for the HNBR specimens were monitored after exposure to the environments over time. Optical microscopy was used to show the topographical changes on the specimen surfaces. Attenuated total reflection Fourier transform infrared (ATR‐FTIR) spectroscopy was employed to study the surface chemistry of the HNBR material before and after exposure to the simulated crude oil environments at selected times. Mechanical property tests (tensile and compressive stress–strain tests, tear strength test, and compression set test) were conducted to assess the changes in mechanical properties of the HNBR specimens before and after exposure to the environments. The test results show that the physical–mechanical properties of the HNBR material changed significantly. The temperature and the crude oil had a direct effect on the degradation of the mechanical properties. The ATR‐FTIR test results indicate that the surface chemistry changed via chain crosslinking in the material after exposure to the environments over time. The degradation mechanisms of the HNBR material after exposure to the crude oil could be due to the presence of chain crosslinking, chain mobility, and backbone scission. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 44012.

show abstract

Research on Mechanical Properties, Compatibility, Flame Retardancy, Hot-Air Ageing Resistance of Hydrogenated Nitrile-Butadiene Rubber/Chloroprene Rubber Blends

Cited by 3 publications

References 11 publications

The effect of metal oxide on the cure, morphology, thermal and mechanical characteristics of chloroprene and butadiene rubber blends

The effect of metal oxide on the cure, morphology, thermal and mechanical characteristics of chloroprene and butadiene rubber blends

Interelastomer Reactions Occurring during the Cross-Linking of Hydrogenated Acrylonitrile-Butadiene (HNBR) and Chloroprene (CR) Rubbers Blends in the Presence of Silver(I) Oxide (Ag2O) and Mechanical Properties of Cured Products

Effects of elevated temperature and crude oil on the properties of a hydrogenated nitrile butadiene rubber elastomer

Contact Info

Product

Resources

About