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CHINAPLAS2019 Excellent Equipment-- PLA/PET Environmental Packaging Sheet Extrusion Line
Release time:2019-05-15

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PLA/PET Environmental Packaging Sheet Extrusion Line

Polylactic acid (PLA) is a new kind of bio-based and renewable biodegradable material. PLA is made from starch materials proposed by renewable plant resources (such as maize, cassava, etc.). Glucose was obtained from starch by saccharification, then high purity lactic acid was produced by fermentation of glucose and certain strains, and then polylactic acid with certain molecular weight was synthesized by chemical synthesis. It has good biodegradability, can be completely degraded by microorganisms in nature under specific conditions after use, and eventually generate carbon dioxide and water, which does not pollute the environment. This is very beneficial to the protection of the environment, and is recognized as an environmentally friendly material.

It can be used in the production of PET and PLA sheets, reduce the energy consumption of pre-crystallization drying, and adapt to the production of secondary materials. It has the characteristics of high yield, low energy consumption and excellent plasticization. The screw is a building block structure with multiple combinations, and has a wide range of applications. It is not only suitable for the production of PET, but also suitable for PLA biodegradable materials and starch-based degradable materials.          

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PLA/PET environmental protection packaging sheet extrusion production line is mainly composed of flat double extruder, mesh changer, metering pump, die, three rollers, cooling bracket, traction, winding and so on. The new type of co-directional double-sided extruder has the characteristics of low energy consumption, simple process and easy maintenance of equipment. Its unique screw combination structure minimizes the viscosity drop of PET resin. The symmetrical thin-walled roller improves the cooling efficiency and productivity as well as the quality of sheets. The multi-component feeding device can reasonably control the proportion of new materials, recycling materials, masterbatch and so on. The sheets produced can be used in the fields of plastic absorption printing and packaging. The electric system adopts Siemens subsystem, which is characterized by simple operation, high automation and cost saving.

The barrel is equipped with double vacuum exhaust to ensure the full discharge of water and gas.

The extruder is equipped with a melt metering pump with a constant voltage output and a closed-loop automatic control of pressure and speed.

The whole machine adopts PLC control to realize automatic control of parameter setting, data operation, feedback and alarm functions.

New non-drying PET three-exhaust extrusion production line (no need for crystallization dehumidification drying system) is a high-quality PET and PLA sheet unit developed by the company. Its production process is simple, energy consumption is low, and production cost is greatly reduced.

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Uses: Excellent processability, transparency, barrier, non-toxic, odorless, pollution-free, easy to recycle and other characteristics.

Vacuum forming: food packaging, toy boxes, stationery boxes, gift boxes, hand tools and hardware packaging.

Barrier Use: Electronic Parts Packaging.

General use: folding, garment collar, decorative materials, folders, document covers.

Special uses: medical equipment, pharmaceutical packaging, industrial anti-corrosion protection, microwave oven baking tray.

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Tel:13962629288  18862412062  15818329696


                 


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