2,2,4,4-四甲基-1,3-环丁二醇的合成技术及应用现状

石化技术与应用 Pub Date : 2013-01-01 DOI:10.1002/9780470114735.hawley15802

Lou Yang

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引用次数: 0

摘要

介绍了2,2,4,4-四甲基-1,3-环丁二醇(CBDO)的性质、合成工艺及应用现状。以CBDO为单体可合成玻璃化转变温度较高、耐候性和耐水解性较好的聚酯。CBDO的制备分为3个步骤:异丁酸或异丁酸酐热解生成二甲基烯，二甲基烯二聚形成2,2,4,4-四甲基-1,3-环丁二醇，中间体加氢生成CBDO。目前，合成和应用技术被美国伊士曼化学公司所垄断。

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Synthesis technology and application status of 2,2,4,4-tetramethyl-1,3-cyclobutanediol

The properties,synthesis technology and application status of 2,2,4,4-tetramethy-1,3-cyclobutanediol(CBDO) were introduced.The polyesters which had higher glass transition temperature,good weather resistance and hydrolysis resistance could be synthesized with CBDO as monomer.The preparation of CBDO was divided into 3 steps:isobutyric acid or isobutyric anhydride was pyrolyzed into dimethylketene,dimethylketene was dimerized to form 2,2,4,4-tetramethyl-1,3-cyclobutanediol,and then the intermediate was hydrogenated for CBDO.At present,the synthesis and application technologies are monopolized by Eastman Chemical Company,USA.

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来源期刊

石化技术与应用

自引率

0.00%

发文量

4590

期刊介绍： Petrochemical Technology and Application was founded in 1983. It is a bimonthly journal under the supervision of PetroChina Lanzhou Petrochemical Company and a core journal of Chinese science and technology. The journal mainly reports on the development of new petrochemical technologies, the transformation of achievements, and the digestion, absorption and innovation of foreign advanced technologies. Adhering to the principle that science and technology are the primary productive forces, based on the domestic petrochemical industry, facing the world's advanced technologies, enthusiastically publicizing the trend of petrochemical technology, timely disseminating petrochemical technology information, gathering a large number of petrochemical technology achievements, actively supporting petrochemical technology talents, and striving to serve the development of my country's petrochemical industry, and consistently serving the vast number of engineering and technical personnel, scientific researchers, and teachers and students of colleges and universities in the domestic and foreign petrochemical fronts.