Polyester film for heddles and preparation method of polyester film

A technology of polyester film and polyester base film, applied in healds, chemical instruments and methods, textiles, etc., to achieve the effect of maintaining wear resistance, simple process, and easy operation

Active Publication Date: 2012-07-18
合肥长阳新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the negative impact of the addition of colorants on the wear resistance and hardness of materials in the preparation process of existing plastic heddles (hereinafter referred to as heddles), and the resulting polyester film for colored heddles In view of the defects existing in the production process, the present invention provides a polyester film for healds that can well maintain the wear resistance, hardness and mechanical strength of the polyester base film, and has different colors and its preparation method

Method used

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  • Polyester film for heddles and preparation method of polyester film
  • Polyester film for heddles and preparation method of polyester film
  • Polyester film for heddles and preparation method of polyester film

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preparation example Construction

[0040] The preparation method of the polyester film for healds provided by the invention comprises the following steps (except the thickness, the percentages are percentages by weight):

[0041] (1) Preparation of base film

[0042] After the polyester raw material is dried, it is melt-extruded through an extruder to form ABA three-layer co-extrusion. The resulting thick sheet is stretched 4 times in the longitudinal direction at 100°C, stretched 3.8 times in the transverse direction at 104°C, and heated at 225°C. Sizing treatment, winding after cooling to make the polyester base film; the polyester base film is an ABA three-layer structure, including A layer and B layer, B layer is a supporting layer, and a bright slice is selected, and A layer is Functional layer, including 46-70% polyester chips, 26-50% anti-blocking masterbatch and 2-8% antistatic masterbatch.

[0043] (2) Preparation of polyester film for heddles

[0044] Apply pigment to the surface of the base film ob...

Embodiment 1

[0056] Prepare the polyester film for heald according to the above method, the two functional layers of the polyester base film contain 68% of semi-dull polyester chips, 30% of anti-blocking masterbatch, 2% of antistatic masterbatch; the obtained thickness is 290 μm Polyester base film.

[0057] Wherein, the content of silicon dioxide in the anti-blocking polyester masterbatch (anti-blocking masterbatch) is 0.4%, and the particle size of the silicon dioxide particles is 2-6 μm; the antistatic masterbatch contains 8% poly Ether antistatic agent; the coating solution includes 80% ethylene organosol and 20% fast red.

Embodiment 2

[0059] Prepare the polyester film for heald according to the above method, the two functional layers of the polyester base film contain 56% of semi-dull polyester chips, 42% of anti-blocking masterbatch, 2% of antistatic masterbatch; the obtained thickness is 310 μm Polyester base film.

[0060] Wherein, the content of silicon dioxide in the anti-blocking polyester masterbatch (anti-blocking masterbatch) is 0.5%, and the particle size of the silicon dioxide particles is 4-8 μm; the antistatic masterbatch contains 4% ion Type antistatic agent; the coating solution includes 85% ethylene organosol and 15% iron oxide yellow.

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Abstract

The invention relates to the field of plastic heddles, in particular to a polyester film with a colored surface for heddles and a preparation method of the polyester film. The polyester film for heddles is provided in order to solve the problem that negative effects on abrasive resistance, hardness and mechanical strength of materials due to colorant addition in the preparation process of polyester heddles and defects caused by the negative effects in the production process of the polyester film. The polyester film for heddles comprises a polyester base film and the surface of the base film is bonded to a pigment layer. The polyester film for heddles can maintain the abrasive resistance, the hardness and the mechanical strength of the polyester film. The preparation method is simple in process and easy in operation and capable of solving the problems that in the preparation process of the base film, production management is complex and product performance is reduced due to color masterbatch addition.

Description

technical field [0001] The invention relates to the field of plastic heddles, in particular to a surface-dyed polyester film for heddles and a preparation method thereof. Background technique [0002] The heddle is a consumable part of the loom, and there is a small hole (heald eye) in the middle for the warp thread to pass through. Each heddle controls a warp yarn, which drives the warp yarn to move up and down to form a shed, which is convenient for weft yarn introduction. [0003] In the past, healds were made of stainless steel. In 2003, plastic healds began to appear in the Chinese market. At that time, it was believed that plastic heddles would eventually replace stainless steel heddles. However, both types of healds are used today, and plastic heddles have not yet appeared to replace stainless steel healds. silk phenomenon. The advantages of stainless steel heddles are smooth surface and long-lasting wear resistance, but the disadvantages are heavy weight, easy to r...

Claims

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Application Information

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IPC IPC(8): B32B27/18B32B27/36D03C9/02
Inventor 不公告发明人
Owner 合肥长阳新材料科技有限公司
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