the effect of accelerators on curing characteristics
The Effect of Accelerators on Curing Characteristics
The results revealed that the accelerator type not only affects the cure characteristics, but also has great influence on the mechanical properties of obtained elastomers. It was determined that the tensile strength of rubber blends cured in the presence of TMTD was relatively high.
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The Effect of Accelerators on Curing Characteristics
The effect of accelerator type on curing characteristics, tensile properties, and dynamic mechanical properties of 70/30/NR/(R-EPDM) blend was investigated.
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Effects of accelerators on the cure characteristics
The effects of different accelerators on the cure characteristics and mechanical properties of sulphur-cured natural rubber (NR)-based compounds are investigated.
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Effects of accelerators on the cure characteristics
effect [4]. An accelerator with a slower cure serves as the primary accelerator, reacting with another faster type that serves as the secondary accelerator. Sometimes, a mixture of up to three accelerators may be used to optimise the rate of cure [5]. Accelerators strongly influence not only the processing safety and the cure characteristics of a compound, but also its final properties [1, 4, 6].
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Curing characteristics, mechanical and thermal properties
The effect of vulcanizing system type on curing characteristics, static mechanical properties (tensile strength, elongation-at-break, hardness and resilience), dynamic mechanical properties and thermal properties of reclaimed ground tire rubber was investigated.
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Effects of Silanized Fillers and Accelerators on the Cure
content (BRC) and fourier transform infrared (FTIR). The cure rate activation effect increases as a direct function when increasing in the loadings of accelerators. However due to the absorptions of accelerators and soluble zinc from the silanol side groups of fillers, the cure rate of vulcanizates decreases when increasing in the loadings of fillers.
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Effects of admixtures and accelerators on the development
Accelerators for concrete can be divided into two main groups, namely setting accelerators and hardening accelerators, depending on their acceleration effects; this is determined by the heat release characteristics of the reaction between cement and water . Indeed, accelerator materials are generally known to accelerate both setting and ...
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Influences of Accelerators on the Structures & Properties
accelerators gave very fast cure; good tensile properties; high crosslinking density reflected on its resistance to organic solvents and gave the best ageing characteristics. Di -o- tolyl guanidine and vulcacit NPV/C thiourea gave slow onset of cure; long scorch time; high tensile and resilience properties, DOTG gave better ageing
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The Effect of the Vulcanizing System on Cure
The effect of the curing system and curing parameters, mechanical properties, ageing resistance, and crosslink density of NBR/EPDM blends has been investigated. The curing characteristics of the blends were affected by the accelerator type and the sulphur concentration.
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Vulcanization & Accelerators
Generally, Thiazoles Sulfenamide accelerators play a role of beiand ng Primary Accelerators due to their characteristics such as good processing safety, a broad vulcanization plateau and optimum cross link density as well as desired reversion delay that they offer. The Primary Accelerators are used at 0.5 to 1.5 phr dosages
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The Effect of Accelerators on Curing Characteristics and Properties
The curing characteristics were estimated using oscillating disk rheometer. The results revealed that the accelerator type not only affects the cureThe effect of accelerator type on processability and mechanical properties of 60/40 natural rubber/ethylene propylene diene monomer (NR/EPDM) blend
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Effects of accelerators on the cure characteristics and mechanical
ABSTRACT The effects of different accelerators on the cure characteristics and mechanical properties of sulphur-cured natural rubber (NR)-based compounds are investigated. Three accelerator systems, with mercaptobenzothiazole disulphide (MBTS) as primary accelerator and
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Curing characteristics, mechanical and thermal
The effect of vulcanizing system type on curing characteristics, static mechanical properties (tensile strength, elongation-at-break, hardness[12, 13, 14] demonstrated that vulcanization accelerator’s residues present in ground rubber may affect on curing characteristics and mechanical properties
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3 Results and discussions 3.1 Effect of ALK on cure characteristics of theThe addition of ALK affected the torque difference or the crosslink density of the silica-filled NR/CR blends. It was due to the action of the ALK as a secondary accelerator which enhanced the state of the curing process.
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The Effect of Novel Binary Accelerator System on Properties
The mechanical properties, curing characteristics, and swelling behaviour of vulcanized natural rubber with a novel binary accelerator systemThe objective of the present study is to evaluate the effect of a new binary system based on Cystine (Cys) and N-cyclohexyl-2-benzothiazyl sulfenamide
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The Blending of EPDM/NR with Maleic Anhydride as Compatibilizer
In this work, the influence of accelerator type on cure characteristics and mechanical properties of 60/40 EPDM/NR blend was investigated.[18] Nampitch, T., and Buakaew, P., 2006, The effect of curing parameters on the mechanical properties of styrene-NR elastomers containing natural
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Effect of Blend Ratio on Cure Characteristics, Mechanical Properties
The cure characteristics of the studied materials, expressed in terms of optimum cure time, t90, were compiled and are shown in Figure 2. It can beOwing to the presence of silanol groups on the silica surface, silica could adsorb stearic acid and amine accelerators by hydrogen bond on silanol groups.
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Effect of the Vulcanizing System on Cure and Mechanical
The effect of the curing system and curing parameters, mechanical properties, ageing resistance, and crosslink density of NBR/EPDM blends has been investigated. The curing characteristics of the blends were affected by the accelerator type and the sulphur concentration.
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Vulcanization & Accelerators | Vulcanization System (Cure system)
- Effect of ZnO on cure rate, discovery of DPG, MBT, MBTS.Generally, Thiazoles and Sulfenamide accelerators play a role of being Primary Accelerators due to their characteristics such as good processing safety, a broad vulcanization plateau and optimum cross link density as well as desired
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The Effect of Nanoclay and Hybrid Filler on Curing Characteristic.
In this research work, the investigation of poly(ethylene-co-vinyl acetate)/styrene butadiene rubber (EVA/SBR) blends with carbon black (CB) and nanoclay (NC) treated with and without mercapto-modified EVA (EVALSH) were prepared by using a two-roll mill. The effect of nanoclay and CB
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