Datum
2022-05-25Schlagwort
660 Chemische Verfahrenstechnik, Technische Chemie SiliconkautschukFlüssigkautschukThermoplastKostensenkungSpritzgießenKunststoffverarbeitungTreibmittelFüllstoffMetadata
Zur Langanzeige
Aufsatz
Liquid Silicone Rubber Foamed with Thermoplastic Expandable Microspheres
Zusammenfassung
To reduce the material costs as well as the density of Liquid Silicone Rubber (LSR), LSR foams can be produced in an injection molding process. Expandable thermoplastic microspheres can be used as blowing agents. This publication deals with the analysis of the cell structure of these LSR foams. For this purpose, cylindrical disks are injection molded and examined for their cell structure as a function of different proportions of microspheres using a scanning electron spectroscope. In addition, the density of the samples is determined. It was found that a very homogeneous cell structure is produced in this process, that heat transport has a significant influence on the expansion of the microspheres, and that the formation of a filler network limits the expansion at higher proportions of blowing agent.
Zitierform
In: Materials Volume 15 / Issue 11 (2022-05-25) eissn:1996-1944Förderhinweis
Gefördert durch den Publikationsfonds der Universität KasselZitieren
@article{doi:10.17170/kobra-202208296775,
author={Marl, Svenja and Giesen, Ralf-Urs and Heim, Hans-Peter},
title={Liquid Silicone Rubber Foamed with Thermoplastic Expandable Microspheres},
journal={Materials},
year={2022}
}
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2022-08-29T10:59:38Z 2022-08-29T10:59:38Z 2022-05-25 doi:10.17170/kobra-202208296775 http://hdl.handle.net/123456789/14110 Gefördert durch den Publikationsfonds der Universität Kassel eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ liquid silicone rubber LSR foams injection molding thermoplastic expandable microspheres 660 Liquid Silicone Rubber Foamed with Thermoplastic Expandable Microspheres Aufsatz To reduce the material costs as well as the density of Liquid Silicone Rubber (LSR), LSR foams can be produced in an injection molding process. Expandable thermoplastic microspheres can be used as blowing agents. This publication deals with the analysis of the cell structure of these LSR foams. For this purpose, cylindrical disks are injection molded and examined for their cell structure as a function of different proportions of microspheres using a scanning electron spectroscope. In addition, the density of the samples is determined. It was found that a very homogeneous cell structure is produced in this process, that heat transport has a significant influence on the expansion of the microspheres, and that the formation of a filler network limits the expansion at higher proportions of blowing agent. open access Marl, Svenja Giesen, Ralf-Urs Heim, Hans-Peter doi:10.3390/ma15113779 Siliconkautschuk Flüssigkautschuk Thermoplast Kostensenkung Spritzgießen Kunststoffverarbeitung Treibmittel Füllstoff publishedVersion eissn:1996-1944 Issue 11 Materials Volume 15 false 3779
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