Challenges of thin silicone condensation curing films with well-defined structure

Alena Juraskova

Challenges of thin silicone condensation curing films with well-defined structure

Alena Juraskova^*

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research › peer-review

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Abstract

In this study, preparation of thin films (~100μm) of condensation-curing silicones isinvestigated. It isfoundthat behavior of typicalcondensation curing system consisting of OH terminated poly(dimethylsiloxane) (OH-PDMS), tin catalyst and methyltrimethoxysilane (MTMS) or tetraethoxysilane(TEOS)cross-linker ishighly dependent on the sample thickness. High volatility of the cross-linkersthatbecomes enhanced with decreasing sample thicknessisreported. The high volatility does not allowed for proper curing of thin silicone films, even though the cross-linker is used in excess. In addition, reliability and reproducibility of such system becomes an issue.

Original language	English
Title of host publication	DTU Chemical Engineering: Graduate School Yearbook 2018
Editors	Kim Dam-Johansen, Peter Szabo, Sara Krpović
Publisher	Technical University of Denmark
Publication date	2018
Pages	63-64
Publication status	Published - 2018

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title = "Challenges of thin silicone condensation curing films with well-defined structure",

abstract = "In this study, preparation of thin films (~100μm) of condensation-curing silicones isinvestigated. It isfoundthat behavior of typicalcondensation curing system consisting of OH terminated poly(dimethylsiloxane) (OH-PDMS), tin catalyst and methyltrimethoxysilane (MTMS) or tetraethoxysilane(TEOS)cross-linker ishighly dependent on the sample thickness. High volatility of the cross-linkersthatbecomes enhanced with decreasing sample thicknessisreported. The high volatility does not allowed for proper curing of thin silicone films, even though the cross-linker is used in excess. In addition, reliability and reproducibility of such system becomes an issue.",

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AB - In this study, preparation of thin films (~100μm) of condensation-curing silicones isinvestigated. It isfoundthat behavior of typicalcondensation curing system consisting of OH terminated poly(dimethylsiloxane) (OH-PDMS), tin catalyst and methyltrimethoxysilane (MTMS) or tetraethoxysilane(TEOS)cross-linker ishighly dependent on the sample thickness. High volatility of the cross-linkersthatbecomes enhanced with decreasing sample thicknessisreported. The high volatility does not allowed for proper curing of thin silicone films, even though the cross-linker is used in excess. In addition, reliability and reproducibility of such system becomes an issue.

M3 - Report chapter

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BT - DTU Chemical Engineering: Graduate School Yearbook 2018

A2 - Dam-Johansen, Kim

A2 - Szabo, Peter

A2 - Krpović, Sara

PB - Technical University of Denmark

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