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Study on synthesing PTT with direct esterification

W Wang

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Abstract

The poly (trimethlylene terephthalate) was synthetised by the direct esterification of terephthalic acid with 1.3-propanedid Especially, the influence of reaction condition such as the type of catalyst, the content, the content of catalyst, the molar ratio of TPA to PDO and the rate of temperature rising were studied. The results show that the reaction is practical when titanyl sulfate is used as catalyst for esterification and Sb_2O_3 is used for polycondensation

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What this paper is about

The poly (trimethlylene terephthalate) was synthetised by the direct esterification of terephthalic acid with 1.3-propanedid Especially, the influence of reaction condition such as the type of catalyst, the content, the content of catalyst, the molar ratio of TPA to PDO and the rate of temperature rising were studied. The results show that the reaction is practical when titanyl sulfate is used as catalyst for esterification and Sb_2O_3 is used for polycondensation

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Available abstract

The poly (trimethlylene terephthalate) was synthetised by the direct esterification of terephthalic acid with 1.3-propanedid Especially, the influence of reaction condition such as the type of catalyst, the content, the content of catalyst, the molar ratio of TPA to PDO and the rate of temperature rising were studied. The results show that the reaction is practical when titanyl sulfate is used as catalyst for esterification and Sb_2O_3 is used for polycondensation

Key concepts: Terephthalic acid, Catalysis, Molar ratio, Condensation polymer, Sulfate, Polymer chemistry, Materials science, Chemistry

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