Dual Precursor Atmospheric Plasma Deposition of Transparent Bilayer Protective Coatings on Plastics

被引：19

作者：

Dong, Siming ^{[1
]}

Zhao, Zhenlin ^{[1
]}

Dauskardt, Reinhold H. ^{[1
]}

机构：

[1] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2015年 / 7卷 / 32期

关键词：

transparent multifunctional coatings; atmospheric plasma; organosilicate coatings; dual precursor method; adhesion; HARD COATINGS; SILICA COATINGS; ELASTIC-MODULUS; ADHESION; POLYMERS; FILMS; GEL; INDENTATION; GLASS;

D O I：

10.1021/acsami.5b04622

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We demonstrate a dual organic and inorganic precursor method to deposit transparent organosilicate protective bilayer coatings on poly methyl methacrylate (PMMA) substrates with atmospheric plasma deposition in ambient air. The bottom layer was a hybrid organosilicate adhesive layer deposited with dual organic 1,5-cydooctadiene (CYC) and widely used inorganic tetraethoxysiline (TEOS) precursors. The selection of the organic CYC precursor allowed incorporation of a carbon chain in the organosilicate adhesive layer, which resulted in improved adhesion. The top layer was a dense silica coating with high Young's modulus and hardness deposited with TEOS. The deposited bilayer structure showed similar to 100% transparency in the visible light wavelength region, twice the adhesion energy, and five times the Young's modulus of commercial polysiloxane sol-gel coatings.

引用

页码：17929 / 17934

页数：6

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