Datum
2024-04-23Schlagwort
600 Technik 660 Chemische Verfahrenstechnik, Technische Chemie SchaumkunststoffSiliconkautschukExtrudierenMikrosphäreWasserTreibmittelPeroxideMechanische EigenschaftMetadata
Zur Langanzeige
Aufsatz
Artikel (Publikationen im Open Access gefördert durch die UB)
High Consistency Silicone Rubber Foams
Zusammenfassung
Silicone elastomers are high-performance plastics. In the extrusion process, only high-consistency silicone rubbers were used. In order to reduce the cost and weight, silicone rubbers can be foamed during processing. In this study, high-consistency silicone rubber is processed with different physical and chemical blowing agents. The resulting reaction kinetics, as well as the mechanical and morphological properties, had been investigated and compared with each other. This showed that the chemical blowing agent significantly influenced the crosslinking reaction compared to the microspheres and the water/silica mixture tested, but it also achieved the lowest density compared to the physical blowing agents. When evaluating the foam morphology, it became clear that the largest number of pores was achieved with the microspheres and the largest pores when using the water/silica mixture. Furthermore, it has been shown that the different mechanisms of action of the blowing agents have a major influence on the mechanical properties, such as the micro shore hardness and the foam morphology.
Zitierform
In: Polymers Volume 16 / Issue 9 (2024-04-23) eissn:2073-4360Förderhinweis
Gefördert durch den Publikationsfonds der Universität KasselSammlung(en)
Publikationen (Fachgebiet Kunststofftechnik)Artikel (Publikationen im Open Access gefördert durch die UB)
Zitieren
@article{doi:10.17170/kobra-2024052310176,
author={Hofmann, Timo and Giesen, Ralf-Urs and Heim, Hans-Peter},
title={High Consistency Silicone Rubber Foams},
journal={Polymers},
year={2024}
}
0500 Oax 0501 Text $btxt$2rdacontent 0502 Computermedien $bc$2rdacarrier 1100 2024$n2024 1500 1/eng 2050 ##0##http://hdl.handle.net/123456789/15773 3000 Hofmann, Timo 3010 Giesen, Ralf-Urs 3010 Heim, Hans-Peter 4000 High Consistency Silicone Rubber Foams / Hofmann, Timo 4030 4060 Online-Ressource 4085 ##0##=u http://nbn-resolving.de/http://hdl.handle.net/123456789/15773=x R 4204 \$dAufsatz 4170 5550 {{Schaumkunststoff}} 5550 {{Siliconkautschuk}} 5550 {{Extrudieren}} 5550 {{Mikrosphäre}} 5550 {{Wasser}} 5550 {{Treibmittel}} 5550 {{Peroxide}} 5550 {{Mechanische Eigenschaft}} 7136 ##0##http://hdl.handle.net/123456789/15773
2024-05-24T08:21:33Z 2024-05-24T08:21:33Z 2024-04-23 doi:10.17170/kobra-2024052310176 http://hdl.handle.net/123456789/15773 Gefördert durch den Publikationsfonds der Universität Kassel eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ silicone foams extrusion microspheres water chemical blowing agent peroxid 600 660 High Consistency Silicone Rubber Foams Aufsatz Silicone elastomers are high-performance plastics. In the extrusion process, only high-consistency silicone rubbers were used. In order to reduce the cost and weight, silicone rubbers can be foamed during processing. In this study, high-consistency silicone rubber is processed with different physical and chemical blowing agents. The resulting reaction kinetics, as well as the mechanical and morphological properties, had been investigated and compared with each other. This showed that the chemical blowing agent significantly influenced the crosslinking reaction compared to the microspheres and the water/silica mixture tested, but it also achieved the lowest density compared to the physical blowing agents. When evaluating the foam morphology, it became clear that the largest number of pores was achieved with the microspheres and the largest pores when using the water/silica mixture. Furthermore, it has been shown that the different mechanisms of action of the blowing agents have a major influence on the mechanical properties, such as the micro shore hardness and the foam morphology. open access Hofmann, Timo Giesen, Ralf-Urs Heim, Hans-Peter doi:10.3390/polym16091181 Schaumkunststoff Siliconkautschuk Extrudieren Mikrosphäre Wasser Treibmittel Peroxide Mechanische Eigenschaft publishedVersion eissn:2073-4360 Issue 9 Polymers Volume 16 false 1181
Die folgenden Lizenzbestimmungen sind mit dieser Ressource verbunden: