Synthesis of unsaturated polyester resin
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V. Pimpan; R. Sirisook; S. Chuayjuljit
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Article
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2003
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John Wiley and Sons
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English
β 61 KB
π 2 views
## Abstract Postconsumer PET bottles including water and softβdrink bottles were depolymerized by glycolysis in excess glycols, such as ethylene glycol, propylene glycol, and diethylene glycol, in the presence of a zinc acetate catalyst. The obtained glycolyzed products were reacted with maleic anh