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Drying-free extrusion technology of PET nano reinforced plate

An extrusion process and strengthening plate technology, applied in the field of extrusion technology, can solve the problems of complex extrusion process of PET nano-strengthened plate, affecting the quality of finished PET nano-strengthened plate, etc., so as to reduce the residual amount of water and low-molecular exudates. , Transparency improvement, Quality improvement effect

Inactive Publication Date: 2012-06-13
江苏民扬塑胶科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the production line used to produce PET nano-reinforced boards, a special drying system is installed on the extruder, which is used to dry raw materials in a molten state, which makes the extrusion process of PET nano-reinforced boards more complicated, and , a lot of water and low-molecular leakage remain in the formed PET nano-reinforced board, which affects the quality of the finished PET nano-reinforced board, especially the transparency of the finished PET nano-reinforced board

Method used

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Embodiment Construction

[0007] Specific embodiments of the present invention are described in detail below.

[0008] The drying-free extrusion process of PET nano-reinforced board according to the present invention comprises the following steps: adding 0.5-1wt.% nano-scale fluorine-containing high molecular polymer to the raw material added to the extruder as a polymer processing aid ( Nanoscale fluorine-containing high molecular polymer accounts for 0.5~1% of the total weight of raw materials), and during the extrusion process, water and low molecular leakage are discharged through the adsorption device.

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Abstract

The invention discloses a drying-free extrusion technology of a PET nano reinforced plate, and the technology can substantially reduce residual quantity of water and low molecular leakage in a finished product. 0.5-1 wt.% of polymer processing auxiliary agent is added into a raw material, and water and low molecular leakage are discharged through an adsorption apparatus during an extrusion process. According to the invention, the raw material is added with the polymer processing auxiliary agent, and a drying of a fused raw material is omitted, so as to simplify the extrusion technology; besides, residual quantity of water and low molecular leakage in the PET nano reinforced plate finished product is reduced, so as to improve quality of the finished product and especially improve transparency substantially.

Description

technical field [0001] The invention relates to a PET nano-reinforced plate production line, in particular to the extrusion process of the PET nano-reinforced plate production line. Background technique [0002] At present, in the production line used to produce PET nano-reinforced sheets, a special drying system is installed on the extruder, which is used to dry raw materials in a molten state, which makes the extrusion process of PET nano-reinforced sheets more complicated, and , More water and low-molecular leakages remain in the formed PET nano-reinforced board, which affects the quality of the finished PET nano-reinforced board, especially the transparency of the finished PET nano-reinforced board. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a drying-free extrusion process for PET nano-reinforced boards that can greatly reduce the residual amount of water and low-molecular leakage in the finished product...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L27/12B29C47/08
Inventor 朱卫国
Owner 江苏民扬塑胶科技有限公司
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