COMPARISON OF METHODS TO INCREASE ADHESION BETWEEN BUTADIENE ELASTOMER AND BASALT FABRIC
EDN: HEHCAI
DOI:
https://doi.org/10.25712/ASTU.2072-8921.2022.4.2.014Keywords:
composite elastomer, adhesion, strength, surface treatment, high-modulus material, reinforced rubber, basalt fabricAbstract
An actual issue of materials science in the creation of elastomeric high-modulus composites based on materials of different chemical nature is the reliability of their connection to each other. With the introduction of reinforcing fillers into the elastomeric matrix, the question arises of the adhesion between the adhesive and the substrate, which is responsible for the reliability of the products during operation. The article proposes two methods for treating the surface of basalt fabric to increase contact with the rubber matrix: applying a dissolved rubber mixture in phenylmethane (toluene) and treating with layers of Chemosil 211/411. The obtained samples of reinforced elastomers with processing showed an increase in high-modulus properties - the tensile strength values were 38.1±2.3 MPa in the first method and 36.4±2.2 MPa in the second, while for the original reinforced elastomer this value was 29.0±1.5 MPa. The application of a layer of dissolved rubber compound increased the adhesion index by ~16% compared to the original reinforced sample.Treatment with Chemosil 211/411 layers improved the adhesion of the reinforcing fabric with the rubber matrix by 10 times. The test for delamination between materials showed that the destruction occurred along the rubber and was of a cohesive nature. This indicates a strong interaction of the substrate with the adhesive, which exceeds the strength of the elastomer.
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Copyright (c) 2022 Mikhail M. Kopyrin, Aital E. Markov, Afanasii A. Dyakonov, Sakhayana N. Danilova, Mikhail P. Lebedev, Aleksei G. Tuisov, Aitalina A. Okhlopkova, Nadezhda N. Lazareva, Anatoly K. Kychkin
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