1020110-91-1Relevant academic research and scientific papers
Preparation method of low-melting-point mixture of diesters of terephthalic acid
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Paragraph 0048; 0049; 0050; 0074, (2016/11/24)
The invention relates to a preparation method of terephthalate n-butyl.isobutyl ester and a preparation method of low-melting-point mixture of diesters of terephthalic acid. According to the preparation method, dimethyl terephthalate and mixed liquor of n-butanol and isobutanol are used as raw materials, and high-temperature-resistant acidic resin is used as a catalyst. The disadvantage that a product is hard to separate, separation processes are many, and there are lots of waste liquids in the prior art is overcome. Instruments and equipment used in the process by the method are simple. In addition, operation steps are simple, and yield of the target product is high.
Low-melting mixtures of di-n-butyl and diisobutyl terephthalate
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Page/Page column 3; 4; 5; 6, (2008/06/13)
Mixtures of terephthalate diesters having lowered freezing points and methods of making the terephthalic acid diesters. The method includes contacting a first alcohol, a second different alcohol and dimethyl terephthalate in the presence of a catalyst to thereby form the terephthalate diesters.
