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2011•Applied Chemistry for EngineeringRequires access

Synthesis and Characteristics of Hard Coating Solution Using Colloidal Silica and Organic Silane through Sol-Gel Process

Dae Hee Son, Yun-Yi Lee, Seong Jin Kim, Seong‐Soo Hong, Gun-Dae Lee, Seong Soo Park

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Abstract

Organic-inorganic hybrid coating solutions were prepared by using a sol-gel method for transparent film. In this study, colloi- dal silica (CS) and alkoxy silane such as vinyltrimethoxysilane (VTMS), and (3-(methacryloyloxy))propyltri methoxy silane (MAPTMS) were used in various conditions such as types of organic silane, weight ratios of CS to silane and reaction times. Coating solutions which were bar coated on the PET (polyethyleneterephthalate) film and cured were investigated on the chemical and physical properties. The pencil hardness and adhesion of coating films were increased with increasing the organ- ic silane content in the coating solution compared to that of PMMA (polymethamethylcrylate) coating solution.

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What this paper is about

Organic-inorganic hybrid coating solutions were prepared by using a sol-gel method for transparent film. In this study, colloi- dal silica (CS) and alkoxy silane such as vinyltrimethoxysilane (VTMS), and (3-(methacryloyloxy))propyltri methoxy silane (MAPTMS) were used in various conditions such as types of organic silane, weight ratios of CS to silane and reaction times. Coating solutions which were bar coated on the PET (polyethyleneterephthalate) film and cured were investigated on the chemical and physical properties. The pencil hardness and adhesion of coating films were increased with increasing the organ- ic silane content in the coating solution compared to that of PMMA (polymethamethylcrylate) coating solution.

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Available abstract

Organic-inorganic hybrid coating solutions were prepared by using a sol-gel method for transparent film. In this study, colloi- dal silica (CS) and alkoxy silane such as vinyltrimethoxysilane (VTMS), and (3-(methacryloyloxy))propyltri methoxy silane (MAPTMS) were used in various conditions such as types of organic silane, weight ratios of CS to silane and reaction times. Coating solutions which were bar coated on the PET (polyethyleneterephthalate) film and cured were investigated on the chemical and physical properties. The pencil hardness and adhesion of coating films were increased with increasing the organ- ic silane content in the coating solution compared to that of PMMA (polymethamethylcrylate) coating solution.

Key concepts: Silane, Coating, Materials science, Colloidal silica, Sol-gel, Chemical engineering, Alkoxy group, Polymer chemistry

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Synthesis and Characteristics of Hard Coating Solution Using Colloidal Silica and Organic Silane through Sol-Gel Process — Research Paper | ScholarLens