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Batch SSP Plant for Intrinsic Viscosity Increasing

Batch SSP Plant for Intrinsic Viscosity Increasing

1. Invrease IV of PET/PTT/PBT/PA6/PA66 etc, 2.Capacity: 100T~10000T/Y 3.No environmental hazards 4.Low operation cost Solid State Polycondensation (SSP) Device Solid state polycondensation (SSP) is an efficient way to increase the intrinsic viscosity of PET, which applies to PET bottle and...
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1. Invrease IV of PET/PTT/PBT/PA6/PA66 etc, 
2.Capacity: 100T~10000T/Y
3.No environmental hazards
4.Low operation cost


Solid State Polycondensation (SSP) Device
Solid state polycondensation (SSP) is an efficient way to increase the intrinsic viscosity of PET, which applies to PET bottle and industrial yarn production.

After extrusion, PET chips or flakes are amorphous. Therefore, prior to solid state polycondensation (SSP), crystallization plays an important part in the whole process. PET chips or flakes are heated evenly in the crystallizer in order to reduce their moisture content and increase their crystallinity, which ensures the quality of product.

The PET chips or flakes are transferred to a polycondensation (SSP) reactor and kept in the reactor for a period of time, through which molecules are put together to re-form the polymer chains and molecular weight increases. So the intrinsic viscosity of chips or flakes can achieve the required level and the mechanical properties are also improved. The longer the chain is, the higher the molecular weight is, and so is the IV.

At the same time, the PET chips are decontaminated. 


Characteristics:
1. Apply to bottle grade and industrial fiber PET chip production
2. Product in good quality
3. High efficiency
4. No environmental hazards
5. Low operation cost

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