固相缩聚

研究了熔融缩聚和固相缩聚阶段优化该瓶片内在品质的措施；

The measures that optimizing the internal quality of bottle grade chip in the melt polycondensation and SSP stage were studied .

通过本文的试验研究，我们认为，瓶片的质量主要由基础切片的配方、质量性能和固相缩聚的生产工艺有关。

Through the study of this paper , it was pointed out that the quality of the bottle grade pellets of PET is mainly depended on the prescription and quality character of basic PET chips and the production process of SSP .

N2对PET连续固相缩聚生产的影响探讨

Study on effects of N_2 on continuous solid-state polymerization of PET

PET切片干燥过程中的固相缩聚

The solid phase polycondensation of PET chips in the drying process

固相缩聚对PET切片结晶度及粘度的影响

Effect of solid-state polycondensation on crystallinity and viscosity of PET chips

固相缩聚反应温度与时间对PET结晶的影响

Effects of solid-state polycondensation temperature and time on PET crystallinity

用扩散模型对聚对苯二甲酸乙二醇酯（PET）固相缩聚的研究

A Study on Solid Phase Polycondensation of PET Based on Diffusion Model

瓶级PET固相缩聚反应动力学的研究

Reaction kinetics of solid-state polycondensation for bottle grade PET

固相缩聚PET的分子量分布

The molecular weight distribution of solid phase polycondensation PET

固相缩聚工艺与PET熔融行为的研究

Melting behavior of PET after solid state polycondensation process

瓶级PET连续式固相缩聚生产线的计算机模拟

Computer simulation for the continued industrial production line of bottle-grade PET solid-state polycondensation

PET固相缩聚装置氮气冷却器的设计与制造

Design and manufacturing of the nitrogen cooler for pet solid phase polymerization equipment

PET固相缩聚生产过程优化

Optimization of PET Solid - State Polycondensation Process

聚对苯二甲酸乙二醇酯（PET）薄膜固相缩聚过程中结构的变化及熔融行为的研究

Study on Structural Changes and Melting Behavior of PET Films during Solid Phase Polymerization

PET的结构形态对固相缩聚反应的影响及其在固相缩聚过程中的变化

Effect of Structure Morphology of PET on Solid Phase Polycondensation and Its Structural Changes

PET固相缩聚反应速率的影响因素

The influence factors of solid-state polycondensation reaction rate

PET固相缩聚反应与结晶性能研究

Studies on SSP and Crystallization of PET

粉末PET固相缩聚的研究

Study on solid-state polycondensation of PET particles

固相缩聚PBT／PET共混体系的结晶熔融行为

The crystallization-melting behavior of pbt / pet blends from solid-state polycondensation

PEN固相缩聚反应的实验研究

Experimental research on PEN solid phase polycondensation reaction

固相缩聚的时间和温度都可以使PET／MMT纳米复合材料的结晶完善程度提高。

Both time and temperature of SSP could make the crystalline structure perfection .

通过固相缩聚，PET的粘均分子量提高，但热性能和结晶性能变化不大。

The solid-condensation polymerization could increase the molecular weights of PET , but had no obvious influence on the crystallization .

本文以废旧聚酯瓶为原料，采用固相缩聚的方法，合成了特性粘度0.7～1.2范围的高分子量PET，使回收的聚酯瓶能得以重新被利用。

PET with a specific viscosity of 0 . 7-1 . 2 was synthesized from waste polyester bottle by solid - state polycondensation .

利用自制的固相缩聚实验装置结合差示扫描量热法（DSC）对PET固相缩聚反应中的结晶行为进行了研究。

The crystallization behavior of PET with SSP was investigated using self-made oil-both reactor and differential scanning calorimetry ( DSC ) .

PET固相缩聚过程涉及反应固体颗粒和反应器床层两个空间尺度的传质，是一个复杂的多维多相对象。

PET solid-state polycondensation process involves spatial mass transfer of both solid reaction particles and reactor bed , which is a multi-dimensional and multi-phase objective .

预热工艺过程使PET起始熔点提高，从而能有效防止切片在固相缩聚主反应器中的粘结。

Consequently , the preheat treatment in industrial SSP process is able to increase the onset melting temperature , as well as sticking point of PET pellets .

结果表明PLLA的含量对固相缩聚有显著影响。

The results showed that solid sate polycondensation was effected by the content of PLLA obviously .

CDP固相缩聚的研究

The study of CDP solid-state polycondensation

聚对苯二甲酸乙二酯（PET）薄膜经固相缩聚反应后，用凝胶色谱法测定产物的分子量、分子量分布和环状齐聚物含量。

Polyethylene terephthalate ( PET ) films were polymerized in solid phase , the molecular weight , molecular weight distribution ( MWD ) and cyclic oligomer content of the products were determined by GPC .

利用WAXD研究了固相缩聚反应温度和时间对表观晶粒尺寸的影响。

In addition the influence of SSP reaction temperature and time on apparent crystalline size has been studied by means of WAXD .