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Polymer solid state heat treatment process
In order to obtain higher-quality products after extrusion and granulation of melt polymers, it is necessary to control key parameters such as moisture content, VOCs content, and crystallinity. Drying and tempering by a heat treatment process in the solid state can well achieve this goal.
Continuous Processing Process in Solid Phase
System heat is fully recovered
No vacuum required
Modular design, easy process embedding
Polymer solid state heat treatment process
Processing power
Max.30t/h
Applicable materials
PLA, PBAT, PA, POM, TPU, PBT, PET, etc.
Preheat dryer
Fluidized bed/drying tower
Drying temperature
80°C~220*C
Dry wind
①Circulating hot air for dehumidification* ②Circulating nitrogen**
Drying and conditioning time
3h~24h
Dry conditioning effect
①Moisture content as low as 300ppm
②Viscosity, crystallinity, and content of key components reach the expected target
Remarks: The specific heat treatment operating parameters and effects need to be determined after the customer provides samples and tests them in the Keris Technology Center.
DeVOC™ Solid Phase Removal of VOCs
Processing power
Max.30t/h
Applicable materials
rHDPE, rPP, rABS, and modified engineering plastics
Preheat dryer
Cooling bin
Drying temperature
100°C~220*C
Dry wind
Hot air after heat exchange
Drying and conditioning time
7h~24h
Dry conditioning effect
The deodorizing effect is below ISO standard three
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