Role of Carbon Bridge Length of Organosilicate Precursors on the Atmospheric Plasma Deposition of Transparent Bilayer Protective Coatings on Plastics

Dong, Siming; Han, Jiahao; Zhao, Zhenlin; Dauskardt, Reinhold H.

doi:10.1002/ppap.201600024

Role of Carbon Bridge Length of Organosilicate Precursors on the Atmospheric Plasma Deposition of Transparent Bilayer Protective Coatings on Plastics

Journal Article · Fri Jul 15 00:00:00 EDT 2016 · Plasma Processes and Polymers

DOI:https://doi.org/10.1002/ppap.201600024· OSTI ID:1533210

Dong, Siming ^[1]; Han, Jiahao ^[2]; Zhao, Zhenlin ^[2]; Dauskardt, Reinhold H. ^[2]

Stanford Univ., CA (United States); DOE/OSTI
Stanford Univ., CA (United States)

Here, we demonstrate the deposition of transparent organosilicate protective bilayer coatings on poly methyl methacrylate (PMMA) substrates with different carbon chain length dipodalsilane precursors using atmospheric plasma deposition in ambient air. The bottom adhesive layer was a hybrid organosilicate coating deposited using either only carbon bridge organosilicate precursor or accompanied with a ring structure 1,5-cyclooctadiene precursor. The top layer was a dense silica coating with high elastic modulus and hardness deposited with only carbon bridge precursor. The adhesion energy of bottom layer increased with increasing carbon bridge length of precursors while the density, hardness, and elastic modulus of top hard layer decreased. The deposited bilayer structure showed ~3 times the adhesion energy and four times the elastic modulus of commercial polysiloxane sol–gel coatings.

View Accepted Manuscript (DOE)

Research Organization:: Stanford Univ., CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: FG02-07ER46391

OSTI ID:: 1533210

Journal Information:: Plasma Processes and Polymers, Journal Name: Plasma Processes and Polymers Journal Issue: 11 Vol. 13; ISSN 1612-8850

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
adhesion
atmospheric plasma
carbon bridge precursors
organosilicate coatings
physics
polymer science
transparent multifunctional coatings

Role of Carbon Bridge Length of Organosilicate Precursors on the Atmospheric Plasma Deposition of Transparent Bilayer Protective Coatings on Plastics

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References (22)

Cited By (3)

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