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Starlinger & Co. Ges.M.B.H.
 

PET plastic recycling plant
max. 250 kg/h | recoSTAR SSP Starlinger & Co. Ges.M.B.H.

  • PET plastic recycling plant max. 250 kg/h | recoSTAR SSP Starlinger & Co. Ges.M.B.H.
In the course of the extrusion process, PET loses viscosity, which then may need to be increased in a subsequent process, namely polycondensation. In the same process, the granulate is decontaminated so as to be suitable for direct food contact.
Following extrusion, the granulate is also amorphous. It must be thermally crystallised in order to avoid formation of lumps, then it is treated for a selected length of time in the SSP reactor where it is subjected to heat and vacuum. The two factors temperature and time effect so-called polycondensation, a process in which H2O and glycol are released, the molecule chains lengthened and the viscosity of the granulate increased.

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standListOtherProduct www di En 2012-06-22-03