DataVXPolymer CompositesPaper
journal article·2018-01

Mechanical reinforcement of thermoplastic vulcanizates using ground tyre rubber modified with sulfuric acid

José F. Hernández Gámez, Ernesto Hernández Hernández, Rosa I. Narro Céspedes, María G. Neira Velázquez, Silvia G. Solís Rosales, Florentino Soriano Corral, Pablo González Morones, Salvador Fernández Tavizón, Ramón Díaz de Leon, Lorena Farías Cepeda

Polymer Composites· Volume 39· Issue 1
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Source abstract

Abstract

Thermoplastic vulcanizates (TPVs) based on high density polyethylene (HDPE), ethylene propylene diene terpolymer (EPDM) were reinforced with ground tyre rubber (GTR) modified with sulfuric acid and dynamically vulcanized with dicumyl peroxide (DCP). TPVs were composed by 40% of HDPE, 30% of EPDM and 30% of GTR at 50 and 100 mesh and the concentration of DCP was varied from 0.3 to 3.6 parts per hundred rubber (phr). The properties of the TPVs containing GTR were determined by infrared spectroscopy, gel content and differential scanning calorimetry (DSC) analyses. The mechanical properties of the composites were also obtained. An increase of about 207% in the Young's modulus was obtained in blends containing GTR modified with sulfuric acid (GTR‐SA) in relation with blends containing pristine GRT. Good compatibility of compounds containing GTR‐SA was observed, GTR‐SA presented high specific area as a consequence of the modification with sulfuric acid. POLYM. COMPOS., 39:229–237, 2018. © 2016 Society of Plastics Engineers
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Research context

Composites

OpenAlex topics: Polymer Nanocomposites and Properties · Synthesis and properties of polymers · Silicone and Siloxane Chemistry

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Polymer Processes CONACYT Research Fellow, Centro de Investigación en Química Aplicada (CIQA) Saltillo Coahuila C.P. 25294 México

Department of Advanced Materials CONACYT Research Fellow, Centro de Investigación en Química Aplicada (CIQA) Saltillo Coahuila C.P. 25294 México

Universidad Autónoma de Coahuila, Facultad de Ciencias Químicas. Blvd. Venustiano Carranza y José Cárdenas Valdés, Colonia República Saltillo Coahuila C.P. 25280 México

Department of Polymer Synthesis Centro de Investigación en Química Aplicada (CIQA) Saltillo Coahuila C.P. 25294 México

Department of Characterization Polymers Centro de Investigación en Química Aplicada (CIQA) Saltillo Coahuila C.P. 25294 México

Department of Polymer Processes Centro de Investigación en Química Aplicada (CIQA) Saltillo Coahuila C.P. 25294 México

Department of Advanced Materials Centro de Investigación en Química Aplicada (CIQA) Saltillo Coahuila C.P. 25294 México

Department of Polymerization Process Centro de Investigacion en Quimica Aplicada (CIQA) Saltillo Coahuila C.P. 25294 México

Funding

Consejo Nacional de Ciencia y Tecnología

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