Practice use of rubber recyclates, as a way to protect the environment

Białasz, Sebastian

doi:10.12912/23920629/94958

Inż. Ekolog.

2018

DOI: 10.12912/23920629/94958

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Practice use of rubber recyclates, as a way to protect the environment

Sebastian Białasz¹

Abstract: STRESZCZENIEPraca ta zawiera analizę obecnej wiedzy na temat ponownego wykorzystania odpadów gumowych, zwłaszcza poużytkowych opon samochodowych, w tym sposobu gospodarowania odpadami, metod przetwarzania recyklatów oraz praktycznych zastosowań tego materiału. Opisano sposoby ograniczenia ilości odpadów polimerowych, omówiono materiały i związki chemiczne stanowiące budulec opon oraz zaprezentowano dostępne metody wytwarzania recyklatów gumowych. Ponadto sklasyfikowano rodzaje odpadów gumowych po rozdrobnieniu… Show more

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Tests of rubber granules used as artificial turf for football fields in terms of toxicity to human health and the environment

Grynkiewicz-Bylina

Rakwic

Słomka-Słupik

2022

Sci Rep

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Rubber waste, in the form of granules of styrene butadiene rubber and ethylene-propylene-diene-monomer with a particle size of 0.5 to 4 mm, is broadly used for the construction of synthetic surfaces of sport fields. This method of recycling may be significantly limited due to the restrictions on polycyclic aromatic hydrocarbons (PAHs) content in rubber granules in the European Union since 2022. This also applies to the recommendations of the European Chemicals Agency in relation to the identification of other hazardous chemicals in this waste, including metal elements. The scope of the research included the identification of organotin compounds, PAHs content and 18 elements leached from recycled rubber granules in terms of substances harmful to human health and to natural environment. The research covered 84 samples of rubber granules collected from the surface of football pitches or supplied by recyclers in Poland. The test results showed an over-standard content of PAHs in rubber granules. This result confirms the need to develop alternative directions of rubber granules application: construction and hydro construction, reinforcing soil and roadsides, asphalt pavements, making retaining walls, anti-shock and anti-vibration slabs, soundproofing and damping screens, paving stones and landscaping elements.

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Tests of rubber granules used as artificial turf for football fields in terms of toxicity to human health and the environment

Grynkiewicz-Bylina

Rakwic

Słomka-Słupik

2022

Sci Rep

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Influence of the type of layered distribution of rubber recyclate as an additive modifying the mechanical properties of epoxy-glass composites

Abramczyk

Żuk

Panasiuk

et al. 2022

Archives of Materials Science and Engineering

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The research aimed to determine the effect of adding rubber recyclate as a sandwich layer of sandwich composites made based on glass mat and epoxy resin EPO 652.Four types of research materials with a 5% addition of rubber recyclate and with different ways of layer distribution in the composite and one variant without the addition of recyclate as a comparative material were produced for the study. Samples made of the materials in question were subjected to a static tensile test to determine the changes in strength parameters caused by the addition and distribution of the modifier.Four types of research materials with a 5% addition of rubber recyclate and with different ways of layer distribution in the composite and one variant without the addition of recyclate as a comparative material were produced for the study. Samples made of the materials in question were subjected to a static tensile test to determine the changes in strength parameters caused by the addition and distribution of the modifier.As a result of the conducted research, the fundamental influence of the recyclate additive and its distribution method on the changes in parameters recorded during the static tensile test was clearly found.The analyses carried out enable the selection of the optimal material variant depending on the intended application.The analysis of the preliminary results obtained during the research showed that epoxy-glass composites based on EPO 652 resin with the addition of rubber recyclate in the form of two and three sandwich layers have better strength parameters than the composite with random addition of recyclate to the matrix. The material characterized by the highest plasticity is a variant with two layers of recyclate spacers. At the same time, it can be stated that the highest values of relative deformation obtained a composite with one sandwich layer of rubber recyclate.

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Statistical methods in the analysis of strength parameters of epoxy-glass composites modified with rubber recyclate

Drewing

Abramczyk

Żuk

et al. 2023

Journal of Achievements in Materials and Manufacturing Engineering

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The article presents a statistical analysis of strength parameters of newly developed epoxy-glass composite materials modified with the addition of rubber recyclate.Three variants of materials with a percentage of recyclate content in the composite matrix of 3%, 5%, 7% and a reference variant without the addition of recyclate were used for the study. The samples were subjected to an impact test on a ZWICK RKP 450IR-GE impact hammer. Resilience measurement values were subjected to statistical analyses at the significance level = 95%, such as: testing the normality of distributions with the Shapiro-Wilk test, testing differences between pairs with the Student's t-test for dependent groups, and testing ANOVA differences for independent groups.The Shapiro-Wilk test confirmed that the resilience variables for all tested samples were in normal distributions; therefore the highest power parametric tests were used to test the differences. Using the Student's t-test, it was confirmed that between pairs of variables in configurations: standard sample with the modified sample, there were significant statistical differences in the distribution of resilience values for all samples. ANOVA confirmed significant changes in impact strength in 10 comparison variants.The obtained test results showed that in 9 compared cases, there were significant statistical differences, and in one case, there were no significant differences.The performed statistical analyses confirmed their significant usefulness in the process of qualification of strength parameters for materials with high anisotropy, such as composites.The manufactured products are innovative in terms of the method of using the addition of rubber recyclate as a filler for epoxy-glass composites. The use of static methods for their study also has practical value. It optimizes the analysis methods of the results of measurements of strength parameters of new composite materials.

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Practice use of rubber recyclates, as a way to protect the environment

Cited by 3 publications

References 0 publications

Tests of rubber granules used as artificial turf for football fields in terms of toxicity to human health and the environment

Tests of rubber granules used as artificial turf for football fields in terms of toxicity to human health and the environment

Influence of the type of layered distribution of rubber recyclate as an additive modifying the mechanical properties of epoxy-glass composites

Statistical methods in the analysis of strength parameters of epoxy-glass composites modified with rubber recyclate

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