Biodegradable Plastic

Biodegradable Plastic

Biodegradable Plastic: PPC, PABT, PLA, PBS, PCL, TPS, PVA, PVOH

a) Melt PBAT compounding with PLA or PPC

The melt PBAT material with temperature 240℃ is fed into twin screw extruder by a melt pump, and add the PLA or PPC pellets and chain extender additive into extruder by the loss-in-weight feeder. This is direct compounding which can save 40% energy and better dispersion, comparing with PBAT pellet compounding with PLA or PPC
◆ Needs long L/D for reacting
◆ Needs under water pelletizing system for high output capacity and automatically process
◆ Needs vacuum packing system

b) PLA/PBS compounding with starch powder

◆ Premix and long L/D for better dispersion
◆ Special feeder for anti-bridge
◆ Air cooling die face cutting for PLA base, and air cooling strand pelletizing for PBS base
◆ Need vacuum packing system

c) PVA compounding with starch

◆ Two stage mixer for premixing and reacting
◆ Special feeder for anti-bridge
◆ Air cooling die face cutting system, need water cooling jacket for die plate
◆ Need vacuum packing system

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