PET固相缩聚生产技术的新进展

介绍了传统的PET SSP生产技术,包括间歇法和连续法SSP的生产工艺,对不同垂直式连续SSP进行了比较。对杜邦NG3的缩聚SSP生产技术的生产流程、工艺和应用情况进行了说明。重点介绍了M&G公司的SSP最新技术——Easy UP,窑式SSP。介绍了该技术的工艺流程、工艺原理和特点,与其他反应器比较的优势。指出Easy UP PET SSP生产技术是PET固相增黏技术的新进展。

New progress of PET SSP production technology

The traditional PET SSP production technology including batch method and continuous method was introduced.Also different vertical continuous SSP processes were compared.The production process,technology and application condition of Du Pont NG3 SSP production technology was explained.The Easy UP kiln type SSP,the latest SSP technology of M&G Company was introduced.The technological process,principle and characteristics of Easy UP technology and its advantages compared with other reactors were introduced.It is pointed out that the Easy UP PET SSP production technology is the new progress of PET solid state tackifying technology.