Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR Vulcanizates
This paper discusses the cross-linking and functional properties of elastomer composites containing chloroprene rubber (CR) and butadiene rubber (BR) cured in the presence of zinc (Zn) and reinforced with mineral fillers. The research aimed to evaluate the effectiveness of zinc as a new cross-linkin...
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doaj-46614e12456c43f59186f2d7c5ea66412020-12-04T00:05:45ZengMDPI AGPolymers2073-43602020-12-01122904290410.3390/polym12122904Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR VulcanizatesAleksandra Smejda-Krzewicka0Anna Słubik1Krzysztof Strzelec2Przemysław Rybiński3Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, PolandInstitute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, PolandInstitute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, PolandInstitute of Chemistry, Jan Kochanowski University, Zeromskiego 5, 25-369 Kielce, PolandThis paper discusses the cross-linking and functional properties of elastomer composites containing chloroprene rubber (CR) and butadiene rubber (BR) cured in the presence of zinc (Zn) and reinforced with mineral fillers. The research aimed to evaluate the effectiveness of zinc as a new cross-linking substance with the simultaneous production of elastomer materials with good mechanical properties and a reduced fire hazard. The article concerns the study and explanation of the dependencies influencing the processing and functional properties of unfilled or filled elastomer blends containing different elastomers ratio or different zinc’s amount. The following fillers were used: silica, kaolin, chalk and montmorillonite. The results revealed that the cross-linking degree of CR/BR blends decreased with the increasing amount of butadiene rubber in the blends. The mechanical properties of the cured blends depended on the proportion of elastomers in the composites, the zinc amount, and the presence and type of filler. The flammability of CR/BR/Zn vulcanizates has been investigated before and after the filling. The parameters assessed by the oxygen index method and cone calorimetry, characterizing the behavior of the tested CR/BR/Zn vulcanizates under fire conditions, have shown that they constitute a low fire hazard and can be considered as non-flammable materials.https://www.mdpi.com/2073-4360/12/12/2904chloroprene rubberbutadiene rubberzincflammabilitycone calorimetry |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Aleksandra Smejda-Krzewicka Anna Słubik Krzysztof Strzelec Przemysław Rybiński |
spellingShingle |
Aleksandra Smejda-Krzewicka Anna Słubik Krzysztof Strzelec Przemysław Rybiński Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR Vulcanizates Polymers chloroprene rubber butadiene rubber zinc flammability cone calorimetry |
author_facet |
Aleksandra Smejda-Krzewicka Anna Słubik Krzysztof Strzelec Przemysław Rybiński |
author_sort |
Aleksandra Smejda-Krzewicka |
title |
Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR Vulcanizates |
title_short |
Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR Vulcanizates |
title_full |
Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR Vulcanizates |
title_fullStr |
Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR Vulcanizates |
title_full_unstemmed |
Study on the Effect of Zinc on the Rheological, Mechanical and Thermal Properties and Fire Hazard of Unfilled and Filled CR/BR Vulcanizates |
title_sort |
study on the effect of zinc on the rheological, mechanical and thermal properties and fire hazard of unfilled and filled cr/br vulcanizates |
publisher |
MDPI AG |
series |
Polymers |
issn |
2073-4360 |
publishDate |
2020-12-01 |
description |
This paper discusses the cross-linking and functional properties of elastomer composites containing chloroprene rubber (CR) and butadiene rubber (BR) cured in the presence of zinc (Zn) and reinforced with mineral fillers. The research aimed to evaluate the effectiveness of zinc as a new cross-linking substance with the simultaneous production of elastomer materials with good mechanical properties and a reduced fire hazard. The article concerns the study and explanation of the dependencies influencing the processing and functional properties of unfilled or filled elastomer blends containing different elastomers ratio or different zinc’s amount. The following fillers were used: silica, kaolin, chalk and montmorillonite. The results revealed that the cross-linking degree of CR/BR blends decreased with the increasing amount of butadiene rubber in the blends. The mechanical properties of the cured blends depended on the proportion of elastomers in the composites, the zinc amount, and the presence and type of filler. The flammability of CR/BR/Zn vulcanizates has been investigated before and after the filling. The parameters assessed by the oxygen index method and cone calorimetry, characterizing the behavior of the tested CR/BR/Zn vulcanizates under fire conditions, have shown that they constitute a low fire hazard and can be considered as non-flammable materials. |
topic |
chloroprene rubber butadiene rubber zinc flammability cone calorimetry |
url |
https://www.mdpi.com/2073-4360/12/12/2904 |
work_keys_str_mv |
AT aleksandrasmejdakrzewicka studyontheeffectofzincontherheologicalmechanicalandthermalpropertiesandfirehazardofunfilledandfilledcrbrvulcanizates AT annasłubik studyontheeffectofzincontherheologicalmechanicalandthermalpropertiesandfirehazardofunfilledandfilledcrbrvulcanizates AT krzysztofstrzelec studyontheeffectofzincontherheologicalmechanicalandthermalpropertiesandfirehazardofunfilledandfilledcrbrvulcanizates AT przemysławrybinski studyontheeffectofzincontherheologicalmechanicalandthermalpropertiesandfirehazardofunfilledandfilledcrbrvulcanizates |
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