A polydimethylsiloxane coating to minimize weathering effects on granite

Dennis Kronlund; Mika Lindén; Jan-Henrik Smått

doi:10.1016/j.conbuildmat.2016.08.146

A polydimethylsiloxane coating to minimize weathering effects on granite

Dennis Kronlund, Mika Lindén, Jan-Henrik Smått

Technologies for a Sustainable Future

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25 Citations (Scopus)

Abstract

The impact of common weathering mechanisms on granite has been elucidated. A sprayable polydimethylsiloxane (PDMS) solution and a commercial reference coating formulation (Faceal Oleo HD) have been applied on granite to produce durable surface coatings that minimize weathering effects. Sufﬁciently thick PDMS coatings display superior stability in all the studied weathering tests when compared to the reference coating, as the impact of weathering on the hydrophobic functionality ofthe PDMS-coated samples is minimal. Furthermore, due to the excellent water and salt blocking behavior of PDMS, the PDMS-coated stones display an overall better stability against weathering compared to untreated stones.

Original language	Undefined/Unknown
Pages (from-to)	1051–1058
Journal	Construction and Building Materials
Volume	124
DOIs	https://doi.org/10.1016/j.conbuildmat.2016.08.146
Publication status	Published - 2016
MoE publication type	A1 Journal article-refereed

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10.1016/j.conbuildmat.2016.08.146

http://www.sciencedirect.com/science/article/pii/S095006181631409X

Cite this

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title = "A polydimethylsiloxane coating to minimize weathering effects on granite",

abstract = "The impact of common weathering mechanisms on granite has been elucidated. A sprayable polydimethylsiloxane (PDMS) solution and a commercial reference coating formulation (Faceal Oleo HD) have been applied on granite to produce durable surface coatings that minimize weathering effects. Sufﬁciently thick PDMS coatings display superior stability in all the studied weathering tests when compared to the reference coating, as the impact of weathering on the hydrophobic functionality ofthe PDMS-coated samples is minimal. Furthermore, due to the excellent water and salt blocking behavior of PDMS, the PDMS-coated stones display an overall better stability against weathering compared to untreated stones.",

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N2 - The impact of common weathering mechanisms on granite has been elucidated. A sprayable polydimethylsiloxane (PDMS) solution and a commercial reference coating formulation (Faceal Oleo HD) have been applied on granite to produce durable surface coatings that minimize weathering effects. Sufﬁciently thick PDMS coatings display superior stability in all the studied weathering tests when compared to the reference coating, as the impact of weathering on the hydrophobic functionality ofthe PDMS-coated samples is minimal. Furthermore, due to the excellent water and salt blocking behavior of PDMS, the PDMS-coated stones display an overall better stability against weathering compared to untreated stones.

AB - The impact of common weathering mechanisms on granite has been elucidated. A sprayable polydimethylsiloxane (PDMS) solution and a commercial reference coating formulation (Faceal Oleo HD) have been applied on granite to produce durable surface coatings that minimize weathering effects. Sufﬁciently thick PDMS coatings display superior stability in all the studied weathering tests when compared to the reference coating, as the impact of weathering on the hydrophobic functionality ofthe PDMS-coated samples is minimal. Furthermore, due to the excellent water and salt blocking behavior of PDMS, the PDMS-coated stones display an overall better stability against weathering compared to untreated stones.

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