Research group

Rubber Technologies

The professional interest of the group focuses on a comprehensive study of processing, production and characterization of rubber to achieve an overall understanding of the influence of individual factors, such as composition of the blends and processing conditions or external degradation agents on the resulting product properties. In the Centre, it is possible to prepare testing samples of mixtures/blends on a calendering line, multi-roller and internal compounder. After complete rheological characterization, it is possible to produce testing specimens in various shapes as well as rubber products from the prepared blends by moulding/ pressing. There is also a co-extrusion rubber line available for preparation of profiles from silicone and other rubber compounds. This line includes a vulcanization chamber, extraction and cutting equipment and on-line measurement of the geometry of the extruded profiles. The domain of the group is a deep professional qualification in the field of theoretical and experimentally-analytical description of mechanisms and mutual structural connections/ relations of fracture behaviour of rubber depending on the effects of degrading mechanical and physical influences. In addition to the usual mechanical and thermal methods, tests on a Vulcometer, a unique Tear and Fatigue Analyzer characterizing the resistance of rubber against spreading of the crack during cyclic fatigue load, and a Chip & Cut device determining the dynamic abrasion of rubber for heavy-duty tires are available for characterization of materials. The Intrinsic Strength Analyzer as the only device determining the energy needed to create a crack, is also available. An integral part of basic and applied research is the characterization of thermal processes in mechanically loaded rubber components by a high-speed thermo-camera. The group also focuses on the development of new rubber testing methods for properties that have not yet been determined, such as in-situ monitoring of the development of heating inside a cyclically loaded rubber body, where a unique test device was developed for this analysis.

Head of the group: doc. Ing. Radek Stoček


Implemented projects

Completed projects

8E15B007 - project of cooperation between the Czech Republic and Bavaria entitled “Experimental investigation on rubbers´ mechanical behaviour under fatigue loading conditions including chemothermomechanical aging”, 2016 – 2017 (partner – Universität der Bundeswehr, München, Germany).

IGA/CPS/2017/006 -  Influence of thermal aging on crack initiation in rubber, 2017

Research outcomes

Rheometer evidences for the co-curing effect of a bismaleimide in conjunction with the accelerated sulfur on natural rubber/chloroprene rubber blends

CITATION DATA: Polymers, VOL: 13, ISS: 9, https://doi.org/10.3390/polym13091510, PUBLICATION YEAR: 2021

Influence of ultraviolet radiation on mechanical properties of a photoinitiator compounded high vinyl styrene-butadiene-styrene block copolymer

CITATION DATA: Polymers, VOL: 13, ISS: 8, https://doi.org/10.3390/polym13081287, PUBLICATION YEAR: 2021

Controlled release of enrofloxacin by vanillin-crosslinked chitosan-polyvinyl alcohol blends

CITATION DATA: Materials Science and Engineering C, VOL: 126, https://doi.org/10.1016/j.msec.2021.112125, PUBLICATION YEAR: 2021

Influence of rubber composition on mechanical properties

CITATION DATA: Manufacturing Technology, VOL: 21, ISS: 2, https://doi.org/10.21062/mft.2021.021, PUBLICATION YEAR: 2021

Efficient method for characterizing the service lifetime of rubber seals

CITATION DATA: Kgk-Kautschuk Gummi Kunststoffe, VOL: 73, ISS: 10, PUBLICATION YEAR: 2020

Facilitating high-temperature curing of natural rubber with a conventional accelerated-sulfur system using a synergistic combination of bismaleimides

CITATION DATA: Express Polymer Letters, VOL: 15, ISS: 1, https://doi.org/10.3144/expresspolymlett.2021.3, PUBLICATION YEAR: 2020

Configuration of novel experimental fractographic reverse engineering approach based on relationship between spectroscopy of ruptured surface and fracture behaviour of rubber sample

CITATION DATA: Materials, VOL: 13, ISS: 19, https://doi.org/10.3390/ma13194445, PUBLICATION YEAR: 2020

Characterizing rubber's resistance against chip and cut behavior

CITATION DATA: Rubber World, VOL: 257, ISS: 4, PUBLICATION YEAR: 2018

Reversion free high-temperature vulcanization of cis-polybutadiene rubber with the accelerated-sulfur system

CITATION DATA: Express Polymer Letters, VOL: 14, ISS: 9, https://doi.org/10.3144/expresspolymlett.2020.68, PUBLICATION YEAR: 2020

Polymer labelling with a conjugated polymer-based luminescence probe for recycling in the circular economy

CITATION DATA: Polymers, VOL: 12, ISS: 6, https://doi.org/10.3390/polym12061226, PUBLICATION YEAR: 2020

Future trends in predicting the complex fracture behaviour of rubber materials

CITATION DATA: Continuum Mechanics and Thermodynamics, https://doi.org/10.1007/s00161-020-00887-z, PUBLICATION YEAR: 2020

Study of carbon black types in SBR rubber: Mechanical and vibration damping properties

CITATION DATA: Materials, VOL: 13, ISS: 10, https://doi.org/10.3390/ma13102394, PUBLICATION YEAR: 2020

Contacts

Head of the group: doc. Ing. Radek Stoček

Scientific team


doc. Ing. Radek Stoček

+420 57 603 8010 A420
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research

Ing. Ondřej Kratina, Ph.D.

+420 57 603 1723 A210
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Shibulal Gopi Sathi, Ph.D.

+420 57 603 1762 A324
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Ing. Marek Pöschl, Ph.D.

+420 57 603 1737 A228
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Ing. Jaroslav Maloch, CSc.

+420 57 603 1724 A211
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Ing. Martin Stěnička, Ph.D.

+420 57 603 1726
+420 734 787 743
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Ing. Petr Zádrapa, Ph.D.

+420 57 603 1747  A325
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Evghenii Harea, Ph.D.

+420 57 603 1747 A325
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Sanjoy Datta, Ph.D.

+420 57 603 1724 A211
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Ph.D. students


Ing. Aleš Machů

+420 57 603 1737 A228
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Contacts

Management


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