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Preparation and Properties of Organosilicone/SiO2Hybrid Sol Modified Acrylic Resin |
Xiuling LAN1,Guangming LIU1(),Jiesheng ZHOU2,Zhilei LIU1,Shusen PENG1,Maodong LI2 |
1. School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China 2. Guangzhou Special Pressure Equipment Testing Institute, Guangzhou 510000, China |
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Abstract Organosilicon/SiO2hybrid sols modified water borne acrylic resins were synthesized via solution polymerization process with acrylic-acid (AA), butyl-acrylate (BA), hydroxyethyl-acrylate (HEA), methyl-methacrylate (MMA), tetraethyl (TEOS), 3-methacryloxypropyltrimethoxysilane (KH-570), methyltriethoxysilane (MTES) and diphenyl dimethoxy silane as raw material. The effect of different amount and specie of organosilicon/SiO2hybrid sols on the properties of the resin was investigated. The structure of the prepared sols and resin films were characterized by infrared spectroscopy (FT-IR). The corrosion resistance and mechanical properties of the coatings on tinplate were as examined by means of immersion test, electrochemical impedance spectroscopy (EIS) and relevant mechanical testing means. The results showed that the organosilicon/SiO2hybrid sol could be successfully grafted onto the acrylic molecules. Among others, the hybrid resin coating with 10% (mass fraction) organosilicon/SiO2hybrid sol exhibited excellent comprehensive performance: such as excellent flexibility and adhesion; hardness and gloss as high as 6H and 104, respectively, while high corrosion resistance and long term stabilityetc.
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Received: 08 December 2017
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Fund: Supported by National Natural Science Foundation of China(51501214);Guangdong Provincial Quality and Technical Supervision Bureau Science and Technology Project(2017CT14);Ningbo Natural Science Fund Project(2015A610060) |
Corresponding Authors:
Guangming LIU
E-mail: gemliu@126.com
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