Method for coating aramid 1414 fiber with PEEK

A kind of aramid fiber and coating technology, applied in the direction of fiber type, fiber treatment, wear-resistant fiber, etc., can solve the problems of melting and dripping, many use limitations, easy to produce wool and so on

Pending Publication Date: 2022-04-15
NANTONG NTEC MONOFILAMENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the fiber materials used in conveyor belts are mainly nylon and polyester, and their use is limited.
[0004] Aramid 1414 fibers are filaments and multifilaments, which are prone to hairs during use
Although PEEK has a high limiting oxygen index and a vertical combustion test rating of V-0, PEEK materials, especially oriented materials, including fibers, fabrics, films, etc., are prone to melt dripping when encountering a fire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Preparation of droplet resistant flame retardant polyetheretherketone masterbatch:

[0031] (1) Mix polyether ether ketone, octaphenyl cage silsesquioxane and melamine polyphosphate, and use a high-speed stirrer to disperse the flame retardant more evenly;

[0032] Polyetheretherketone 50 wt%

[0033] Octaphenyl cage silsesquioxane 5 wt%

[0034] Melamine polyphosphate 25 wt%

[0035] (2) Add the mixture to the twin-screw extruder with five-stage heating for extrusion. Control the temperature in the first zone to 260 ℃, the temperature in the second zone to 350 ℃, the temperature in the third zone to 370 ℃, the temperature in the fourth zone to 375 ℃, and the temperature in the fifth zone 370°C, the screw speed is 60r / min, extruded from the machine head and granulated with a granulator to obtain flame-retardant polyether ether ketone pellets.

[0036] Preparation of coated fibers:

[0037] (1) Prepare untwisted aramid 1414 filament;

[0038] (2) Add flame-retardant...

Embodiment 2

[0044] Preparation of droplet resistant flame retardant polyetheretherketone masterbatch:

[0045] (1) Mix polyether ether ketone, octaphenyl cage silsesquioxane and melamine polyphosphate, and use a high-speed stirrer to disperse the flame retardant more evenly;

[0046] Polyetheretherketone 60 wt%

[0047] Octaphenyl cage silsesquioxane 10 wt%

[0048] Melamine polyphosphate 30 wt%

[0049](2) Add the mixture to the twin-screw extruder with five-stage heating for extrusion. Control the temperature in the first zone to 260 ℃, the temperature in the second zone to 350 ℃, the temperature in the third zone to 370 ℃, the temperature in the fourth zone to 375 ℃, and the temperature in the fifth zone 370°C, the screw speed is 60r / min, extruded from the machine head and granulated with a granulator to obtain flame-retardant polyether ether ketone pellets.

[0050] Preparation of coated fibers:

[0051] (1) Prepare untwisted aramid 1414 filament;

[0052] (2) Add flame-retardant...

Embodiment 3

[0058] Preparation of droplet resistant flame retardant polyetheretherketone masterbatch:

[0059] (1) Mix polyether ether ketone, octaphenyl cage silsesquioxane and melamine polyphosphate, and use a high-speed stirrer to disperse the flame retardant more evenly;

[0060] Polyetheretherketone 70 wt%

[0061] Octaphenyl cage silsesquioxane 15 wt%

[0062] Melamine polyphosphate 35 wt%

[0063] (2) Add the mixture to the twin-screw extruder with five-stage heating for extrusion. Control the temperature in the first zone to 260 ℃, the temperature in the second zone to 350 ℃, the temperature in the third zone to 370 ℃, the temperature in the fourth zone to 375 ℃, and the temperature in the fifth zone 370°C, the screw speed is 60r / min, extruded from the machine head and granulated with a granulator to obtain flame-retardant polyether ether ketone pellets.

[0064] Preparation of coated fibers:

[0065] (1) Prepare untwisted aramid 1414 filament;

[0066] (2) Add flame-retardan...

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PUM

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Abstract

The invention discloses a method for coating aramid 1414 fibers with PEEK (polyether ether ketone). The method comprises the following steps: preparing a molten-drop-resistant flame-retardant polyether ether ketone master batch, preparing the PEEK-coated aramid 1414 fibers and the like. The PEEK coated aramid fiber prepared by the invention is used as a framework material of a conveying belt, and can endow the conveying belt with excellent flame retardance, high temperature resistance, wear resistance, high strength and low elongation. Meanwhile, the aramid fiber multifilament is monofilament through a coating method, and the problem that broken filaments are prone to being generated is solved. Melamine polyphosphate and octaphenyl polyhedral oligomeric silsesquioxane are used as intumescent flame retardants to prepare the melt-drop-resistant flame-retardant polyether-ether-ketone master batch, so that on the basis of good flame retardance of PEEK, the phenomenon of melt drop during combustion of PEEK is inhibited, and the flame retardance of PEEK is further improved.

Description

technical field [0001] The invention relates to a method for coating aramid 1414 fibers with PEEK. Background technique [0002] Conveyor belt plays the role of transporting goods and is a composite product, generally composed of a core skeleton structure and a covering layer (glue). The core frame material is generally fiber, metal or fabric, and the base material is generally rubber or plastic. Among them, the belt core skeleton has a great influence on the tensile performance, elongation performance and bearing capacity of the conveyor belt. With the increase of conveying materials, the demand for conveyor belts, especially high-strength conveyor belts, is increasing, and the quality requirements are also getting higher and higher. It is developing towards high strength, high load, long distance and long life. Therefore, the skeleton material requirements are also continuously increasing. [0003] With the increase of conveying materials, the demand for conveyor belts,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/41D06M15/643D06M13/453D06M101/36
CPCD06M15/41D06M15/643D06M13/453D06M2101/36D06M2200/30D06M2200/35
Inventor 马海燕徐锦锦马海军杨西峰
Owner NANTONG NTEC MONOFILAMENT TECH CO LTD
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