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首页> 外文期刊>同誌社大学理工学研究報告 >Alkaline Hydrolysis of Polyethylene Terephthalate at Lower Reaction Temperature
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Alkaline Hydrolysis of Polyethylene Terephthalate at Lower Reaction Temperature

机译：Alkaline Hydrolysis of Polyethylene Terephthalate at Lower Reaction Temperature

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摘要

Alkaline hydrolysis of polyethylene terephthalate (PET) resin in water-ethanol mixed solvent was examined and found to produce good results for the product, terephthalic acid, after protonation. The reaction proceeded smoothly at lower temperatures than previous methods. The highest yield (89) was obtained when PET was heated at 110℃ for 0.5 hr in 10 NaOH solution of water-ethanol mixed solvent (ratio 20:80 by weight). However, even this reaction condition is still unsatisfactory for the saving of petroleum resources by recycling and is short of affirming the significance of recycling itself.

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