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Full-dull colorful insulation polyester film and production technology thereof

A polyester film, full extinction technology, used in the polyester film industry, can solve the problems of production environment pollution, low insulation performance, poor color fastness, etc., to solve uneven smooth, good insulation performance, high electrical strength. Effect

Inactive Publication Date: 2008-06-11
TIANJIN SHIQI TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This film is colored by electrostatic spraying of white PET film. During the application and production process, the color fastness is poor, the power frequency electric strength is low, and the insulation performance is low, so it affects the overall quality of insulating materials and causes environmental pollution in production, which is not conducive to producers. health

Method used

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  • Full-dull colorful insulation polyester film and production technology thereof
  • Full-dull colorful insulation polyester film and production technology thereof

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Embodiment 1

[0013] Embodiment 1: full extinction yellow electrical insulating polyester film and its production process.

[0014] Matte film grade polyester chips, yellow color masterbatch, SiO 2 The three materials of the polyester masterbatch are proportioned according to the ratio of 25:4:4. Among them, TBY115B organic yellow masterbatch is selected as the yellow masterbatch. This kind of masterbatch does not decompose at 220 to 285°C, and has good mutual solubility, no non-melting particles, good color fastness, and high film-forming property. The matting film grade polyester chip is made by adding matting agent to the blank polyester chip, and the content of matting agent is: 2.5-5%. Contains SiO 2 The particle size of the polyester masterbatch is controlled at about 0.5 μm, and an antistatic agent must be added. Under the premise of meeting the requirements of the dielectric constant index, the content of matting agent is 50-100ppm, depending on the user's requirements.

[0015]...

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Abstract

The invention relates to a full-dull colorful insulation polyester membrane, which is prepared by matt film polyester chips, color master batches, and master batches containing silicon oxide, while the three materials are mass rationed as 20-30 accounts of matt film polyester chip, 2-6 accounts of color master batches, and 2-6 accounts of the master batches containing silicon oxide. The invention has the advantages that 1, the product is hard to lose color and be polluted in the insulation applications as electron, wire and electric fields, the membrane is easily to be sliced, with high electric strength and good insulation, 2, the membrane has flat and smooth surface, 3, the invention can prepare insulation polyester membranes with different colors.

Description

Technical field: [0001] The invention belongs to the field of polyester film industry, and in particular relates to a full-dull color insulating polyester film and a production process thereof. Background technique: [0002] BOPET polyester film is mainly used for insulation purposes such as electronics, wires, and electrical appliances. At present, PET spray-coated color films are mostly used in China. This film is colored by electrostatic spraying of white PET film. During the application and production process, the color fastness is poor, the power frequency electric strength is low, and the insulation performance is low, so it affects the overall quality of insulating materials and causes environmental pollution in production, which is not conducive to producers. health. Invention content: [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and to provide a full-dull colored insulating polyester film and its ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/18C08L67/00C08K3/36B29C55/00
Inventor 刘世起
Owner TIANJIN SHIQI TECH DEV
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