BHET

With the consideration of all the reactions involved in the polyesterification of BHET ( bis-β-hydroxyethyl terepliathalate) such as the primary forward polycondensation reaction, its reverse reaction and the cracking reaction, a kinetic equation was derived.

考虑了对苯二甲酸乙二酯（BHET）缩聚过程的主反应、逆反应及热裂解反应，得到一个动力学方程式。

Discussion on factors influencing BHET production and quality with PTA semi-continuous process

影响PTA半连续生产BHET产质量几个因素的探讨

The reaction distillation was used for synthesis of polymer monomer BHET. The process was simulated by using ASPEN PLUS.

研究了将反应精馏法用于聚对苯二甲酸乙二醇酯（PET聚酯）生产的直接酯化反应和酯交换反应，并采用过程模拟软件aspen plus模拟了整个反应精馏过程。

The catalytic activity of the composite catalysts was evaluated based on DSC method. The results showed that the catalyst with the amorphous structure exhibited higher activity for BHET polycondensation.

采用DSC方法对所制备的催化剂的活性进行研究，结果表明，具有无定形结构的凹凸棒土复合铝、钛化合物催化剂其活性较高。

The DCS Control of BHET's Production Process

聚酯切片生产过程的微机控制

According to the technical requirements of BHET, this paper selects JX-300 DCS control system to make control for its production process, and introduces the functions, the structure of hardware and the design process of software of JX-300 DCS control system.

根据聚酯切片生产的技术要求，选用了JX-300DCS控制系统对其生产过程进行控制。详细地介绍了JX-300DCS控制系统的功能、硬件结构及其软件的设计过程。