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  3. TEX water-injection foaming devolatilizing effect

TEX water-injection foaming devolatilizing effect

TEX water-injection foaming devolatilizing effect
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TEX water-injection foaming devolatilizing effect

Product catalog summary
Contact Information:
Japan Steel Works, Ltd. has offices in Tokyo, Germany, USA, China, Singapore, and Thailand. Contact details include phone numbers and email addresses for each location.
Overview:
The document is a leaflet from the Plastics Machinery Business Division of Japan Steel Works, Ltd., focusing on water-injection foaming devolatilization technology used in plastics machinery.
Specifications:
The leaflet discusses different screw configurations (Configuration A and B) for low and high viscosity grades, respectively. It highlights the impact of water-injection on reducing volatile amounts and polymer temperature.
Procedures:
The water-injection foaming devolatilization process involves melting and kneading a polymer, injecting water into the polymer melt, and vaporizing volatile components with water to remove them through a vent port.
Features:
  • Easy availability
  • Low cost
  • High heat capacity
  • Less reaction on polymer
  • Easier separation from polymer
Applications:
The technology is applicable to various polymer combinations such as PS+Stylene, LDPE+Hexane, PC+DPC, PC+CH2Cl2, POM+HCHO, and EPDM+Hexane.
Performance and Trials:
Trial machines are available at JSW extrusion technical centers for performance trials of customer challenges.
Production Example:
An example model, TEX65 αⅡ -38.5PW-2V, is mentioned, showcasing the screw configuration's impact on polymer pressure.
Conclusion:
The water-injection foaming devolatilization method effectively reduces VOCs in polymers to a few ppm, enhancing the quality and safety of the final product.
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Catalog excerpts

TEX water-injection foaming devolatilizing effect-1

LEAFLET TEX water-injection foaming devolatilizing effect The Japan Steel Works, Ltd. Plastics Machinery Business Division Screw configuration vs polymer pressure JSW offers the best screw configuration from rich experience in polymer process. Water-injection A water-injection foaming devolatilizing method significantly reduces amount of VOC (Volatile Organic Compounds) in the polymer till a few ppm. The mechanism includes steps of: melting and kneading a polymer in a waterinjection dispersing zone; injecting and dispersing water into the polymer melt; and vaporizing volatile components together with water, so that the volatile components are removed and discharged through the vent port. Screw length Screw length For high viscosity grade Production example ＜ Model ＞ TEX65 αⅡ -38.5PW-2V Liquid injection nozzle and vent port ・ PS+Stylene ・ LDPE+Hexane ・ PC+DPC ・ PC+CH2Cl2 ・ POM+HCHO ・ EPDM+Hexane 　…etc Water-injection foaming devolatilization is applied from TEX30 to TEX400. Japan Steel Works, Ltd. Tokyo Head Office Gate City Osaki West Tower 1-11-1, Osaki, Shinagawa-ku, Tokyo 141-0032, Japan with water-injection with water-injection Volatile amount vs Screw rpm Polymer temperature vs Screw rpm Water-injection foaming devolatilization reduce volatile amount and polymer temperature. Trial machines for performance trial of customer challenges are available at JSW extrusion technical centers. Europe (Germany) without water -injection Easy availability Low Cost High heat capacity Less reaction on polymer Easier separation from polymer without water -injection China (Shanghai)

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