全生物降解塑料PBS的制备

材料科学论文编号:CL071  论文字数:10127,页数:25

目录

中文摘要------------------------------------------------------------I
英文摘要-----------------------------------------------------------II
目录--------------------------------------------------------------III
1、绪论-------------------------------------------------------------1
    1.1、生产实践目的------------------------------------------------1
    1.2、生产实践单位概况--------------------------------------------1
 1.3 产品简介----------------------------------------------------2
2、生产实践部分-----------------------------------------------------4
 2.1、物料性质---------------------------------------------------4
    2.2、设备-------------------------------------------------------6
    2.3、工艺-------------------------------------------------------9
         2.3.1、酯化过程-------------------------------------------13
         2.3.2、缩聚过程-------------------------------------------13
         2.3.3、切粒过程-------------------------------------------14
    2.4、改性------------------------------------------------------16
3、产业前景--------------------------------------------------------18
4、总结------------------------------------------------------------20
致谢---------------------------------------------------------------21
参考文献-----------------------------------------------------------22

摘要：本论文主要论述了生物降解塑料PBS的开题意义及优异的产业前景，重点描述了一步法全生物降解塑料PBS的生产工艺以及制备过程包括酯化、缩聚和切粒；全生物降解塑料PBS后处理加工的共混改性；全生物降解塑料PBS一次性用具的制备。
   
    关键词：全生物降解塑料；聚酯；共混改性；双螺杆挤出。

Abstract: This article mainly elaborated biodegradation plastic PBS to open the topic significance and the outstanding industrial prospect, described the one-stage process entire biodegradation plastic PBS technique of production as well as the preparation process with emphasis including the esterification, the condensation and cuts the grain; Entire biodegradation plastic PBS post-processing processing blending modification; Entire biodegradation plastic PBS disposable apparatus' preparation.

Keywords：All biodegradable plastics, polyester; Modification; twin-screw extruder.