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Liquid injection barrel element for barrel extruder

一种挤出机、元件的技术，应用在液体注射器领域，能够解决易燃、易燃液体安全隐患等问题

Pending Publication Date: 2021-11-16
TORAY PLASTICS (AMERICA) INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Additionally, some liquids injected into the extruder barrel may be flammable
These flammable liquids can pose a significant safety hazard if the temperature of the extrusion environment is too high

Method used

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  • Liquid injection barrel element for barrel extruder
  • Liquid injection barrel element for barrel extruder
  • Liquid injection barrel element for barrel extruder

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Embodiment Construction

[0043] This article describes the method and process for making radiation crosslinked polypropylene foam. In some embodiments, this includes extruding all material components, including the liquid crosslinking agent, to make the extruded structure used to produce the radiation crosslinked polypropylene foam. Additionally, such liquid crosslinking agents can be added to the extrusion process via liquid syringe elements that can be incorporated into the extrusion barrel system. The cartridge element may include cooling channels to control the temperature of the cartridge element and may include a temperature sensor well to measure the temperature of the cartridge element.

[0044] Extruded structures can be produced in one location, irradiated in a different location, and converted into foam in another. As referred to herein, an extruded structure has a sheet-like profile and may be a film, web, sheet or the like. The process of producing extruded sheet structures may also be ...

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Abstract

Described herein is a liquid injector for a barrel extruder as well as methods and processes of manufacturing irradiation crosslinked polypropylene foam. In some embodiments, this includes a liquid injection barrel element (5) that is incorporated in an extruder barrel that includes at least one injection port (11), a temperature sensor well (22), and cooling channels (19, 20).

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Nonprovisional Patent Application Serial No. 16 / 370,223, filed March 29, 2019, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] The present invention relates to liquid injectors for barrel extruders. More specifically, the present invention relates to a liquid injection barrel element incorporated in an extruder barrel and comprising at least one injection port, a temperature sensor well, and a cooling channel. Background technique [0004] Specialty foams can be manufactured using processes including grinding materials, mixing materials, extrusion, irradiation and foaming. This process produces radiation cross-linked polypropylene foams, which can be used, for example, in automotive interior applications. [0005] figure 1 Ancillary components used in a conventional process for making radiation crosslinked polypropylene fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C44/50B29C44/34B29C35/16B29C44/60B29C48/00B01J19/20
CPCB29C44/50B29C44/3446B29C44/3442B29C44/3415B29C35/16B29C44/60B29K2023/12B01J19/20B29C2948/92209B29C48/682B29C48/872B29C48/297B29C48/767B29C48/691B29C48/83B29C48/0012B29C48/07B29C35/0805B29C48/40B29C48/505B29K2105/04B29L2007/002B29C48/03B29C45/2725B29C2045/2733
Inventor D·本-达特J·J·鲍德温K·M·博克P·谢拉兹基
Owner TORAY PLASTICS (AMERICA) INC