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Evaluation of the influence of crosslink density and penetrant size on the diffusion properties of silicone oils into silicone elastomers
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.ORCID iD: 0000-0002-6071-6241
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.
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2019 (English)In: Proceedings of the Europe/Africa Conference Dresden 2017 – Polymer Processing Society PPS, American Institute of Physics (AIP), 2019, Vol. 2055Conference paper, Published paper (Refereed)
Abstract [en]

Driven by the continuing discussion on safety and quality of silicone breast implants, they have turned into focus of this study with respect to the diffusivity of low molar mass components from the silicone gel filling into the silicone breast implant shell. Therefore, the diffusivity of silicone oils into silicone elastomers were analysed by means of the crosslink density and the penetrant size. The study was focused on the diffusion of the cyclic siloxanes Octamethylcyclotetrasiloxane (D4), Decamethylcyclopentasiloxane (D5) and Dodecamethyl-cyclohexasiloxane (D6) due to their potential occurrence in silicone breast implants. The analysis of the diffusion behavior was carried out with silicone breast implant shells taken from explants and tailor-made silicone elastomer samples varying in crosslink density. Therefore, sorption experiments were performed. The subsequent evaluation of the sorption data yield to the corresponding diffusion properties. Based on the diffusion coefficient related to the crosslink density a model was developed to describe the material behavior.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2019. Vol. 2055
Series
AIP Conference Proceedings, ISSN 0094-243X ; 2055
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-244218DOI: 10.1063/1.5084878ISI: 000464909300077Scopus ID: 2-s2.0-85061087077ISBN: 9780735417830 (print)OAI: oai:DiVA.org:kth-244218DiVA, id: diva2:1289508
Conference
2017 Europe/Africa Regional Conference of the Polymer Processing Society (PPS), Dresden, Germany, 27 June 2017 through 29 June 2017
Note

QC 20190218

Available from: 2019-02-18 Created: 2019-02-18 Last updated: 2019-05-20Bibliographically approved

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Hedenqvist, Mikael S.Linde, Erik

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