Effect of Gear Pump Extrusion Processing on the Properties of Fiber Reinforced Rubber Composites

Tian, Xiaolong; Zhu, Lin; Li, Kunling; Wang, Kongshuo; Bian, Huiguang; Li, Lin; Li, Shaoming; Wang, Chuansheng

doi:10.3390/polym12040985

Cited by 3 publications

(2 citation statements)

References 26 publications

(32 reference statements)

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“…3.1 Effect of surfactant-modified CBp on viscosity and rheological properties of CBp/ rubber compound Processability is an essential indicator of the properties of rubber compound (Tian et al, 2020a;Tian et al, 2020b). It is usually characterized by Mooney viscosity and rheological properties.…”

Section: Resultsmentioning

confidence: 99%

Effect of surfactants on the properties of rubber composites prepared from pyrolytic carbon black/natural latex via wet blending method

et al. 2023

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Pyrolytic carbon black (CBp) is the main by-product of waste tire pyrolysis. CBp has high ash content and poor surface activity which leads to the composites reinforced with CBp has lower performance than composites reinforced with commercial carbon black, making it difficult to meet the requirements of tire. In order to realize the application of CBp in tires, the effect of surfactants on the properties of rubber composites prepared by wet mixing of CBp/natural latex was investigated. In the experimental process, sodium stearate (C17H35COONa), sodium dodecylbenzene sulfonate (C18H29NaO3S), and sodium p-styrenesulfonate (C8H7NaO3S) were used to improve the surface activity and uniform dispersion of the CBp in the natural rubber matrix. The experimental results showed that the dispersity of C18H29NaO3S and C8H7NaO3S modified CBp in rubber matrix has [X] and [Y] values of 7.5 and 7.9, and 9.3 and 9.5, respectively, and the dispersion of these rubber composites is significantly better than that of C17H35COONa. The rubber composites prepared by C18H29NaO3S and C8H7NaO3S surfactants has the better physical and mechanical properties. The rubber composite prepared by C18H29NaO3S has the highest tensile strength of 25.63 MPa, which increment in tensile strength is 15.6% compare to the rubber composite prepared by C17H35COONa. Meanwhile the dynamic mechanical properties of rubber composites prepared by modifying CBp with C18H29NaO3S and C8H7NaO3S are better than CBp with C17H35COONa. The C8H7NaO3S modified CBp/rubber composite has the lowest loss factor (tanδ) value at 60°C, and the C18H29NaO3S modified CBp/rubber composite has the highest tanδ value at 0°C.

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Section: Resultsmentioning

confidence: 99%

Effect of surfactants on the properties of rubber composites prepared from pyrolytic carbon black/natural latex via wet blending method

et al. 2023

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“…The rubber vulcanizate was brittle fractured, then adhered to conductive tape, and fixed on a sample platform for spraying with gold. Then, it was observed under a scanning electron microscope (SEM) (JSM‐7500F, Japan Electronics Corporation) 10 …”

Section: Methodsmentioning

confidence: 99%

In situ generation of sulfur using silica as a carrier in the wet mixing of natural rubber latex

Wang

Xiao

Zhu

et al. 2021

J of Applied Polymer Sci

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Using sodium thiosulfate and hydrochloric acid as the raw materials and a silica aqueous dispersion as the carrier, sulfur is generated in situ by a chemical precipitation method, and an in situ sulfur‐silica/natural rubber (in situ S‐Silica/NR) composite is prepared. The in situ sulfur is characterized, and its effects on the natural rubber composites' cross‐linking density, vulcanization characteristics, mechanical properties, aging properties, dynamic mechanical properties, and Payne effect are studied. The experimental results show that the particle size of in situ sulfur is small, with a maximum of 5 μm, and the cross‐linking ability is stronger than commercial sulfur. Due to the strong surface adsorption force of silica, the interfacial bonding strength is enhanced, and the dispersion of the two components in the rubber matrix is improved. Compared with commercial sulfur‐silica/natural rubber (S‐Silica/NR) composites, the tensile strength is 20.3% higher, the elongation at break is 28.5% higher, and it better retains its aging properties and has a lower rolling resistance. This study provides a theoretical basis for the development of functional rubber vulcanizing agents and the preparation of high‐performance rubber composites.

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Study on properties of carbon-coated silica prepared by polymer pyrolysis reinforced rubber composites

et al. 2022

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Effect of Gear Pump Extrusion Processing on the Properties of Fiber Reinforced Rubber Composites

Cited by 3 publications

References 26 publications

Effect of surfactants on the properties of rubber composites prepared from pyrolytic carbon black/natural latex via wet blending method

Effect of surfactants on the properties of rubber composites prepared from pyrolytic carbon black/natural latex via wet blending method

In situ generation of sulfur using silica as a carrier in the wet mixing of natural rubber latex

Study on properties of carbon-coated silica prepared by polymer pyrolysis reinforced rubber composites

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