期刊
POLYMER ENGINEERING AND SCIENCE
卷 54, 期 10, 页码 2272-2281出版社
WILEY
DOI: 10.1002/pen.23773
关键词
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资金
- Research Fund of the Istanbul University [7043]
This work is concerned with the use of aminolysis, aminoglycolysis, and simultaneous aminolysis-hydrolysis products of waste PET for production of paint binder based on alkyd resin. For this purpose, first, aminolysis, aminoglycolysis, and simultaneous hydrolysis-aminolysis reactions of waste PET were carried out in the presence of different chemical agents in xylene medium at high pressures. Reactions of waste PET flakes obtained from grinding postconsumer water bottles were carried out in an autoclave at higher temperatures. Then, four alkyd resins, formulated to have oil content 40-50%, were prepared using these depolymerization products. One of resins is reference alkyd resin which was prepared by using soybean oil fatty acid, phthalic anhydride, glycerine, and ethylene glycol for comparison. Other three alkyds are depolymerization product-based alkyd resins in which depolymerization products is used instead of ethylene glycol. Then, the physical and chemical surface coating properties and thermal behaviors of alkyd resins films were investigated comparatively. As a result, we concluded that aminolysis, aminoglycolysis, and simultaneous aminolysis-hydrolysis products of waste PET are suitable for manufacturing both air drying and oven curing paint binder based on alkyd resins. The film prepared from alkyd resin based on simultaneous aminolysis-hydrolysis product showed extremely good surface coating properties and thermal stability. (C) 2013 Society of Plastics Engineers
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