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Lasting anti-static polyester fiber and production method thereof

A polyester fiber and antistatic technology, which is applied in the field of durable antistatic polyester fiber and its preparation, can solve the problems of poor durability, no antistatic property, and antistatic performance, and achieve a simple and easy production method. Effects of handling, durability and antistatic properties

Inactive Publication Date: 2013-05-22
TORAY FIBER RES INST(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the method of coating antistatic finishing agent on the surface of fibers or fabrics, its essence is to adsorb hydrophilic groups on the surface of fibers or fabrics, increase the hygroscopicity of fibers or fabrics, and have antistatic effects, but hydrophilic The permanent group is only on the surface, it is easy to wash off, and the durability is not good
[0005] For the addition of surfactant antistatic agents inside polyester, although this method has certain durability in terms of antistatic effect, the antistatic performance is easily affected by environmental humidity, and there is basically no antistatic performance in a low humidity environment.
[0006] For the method of adding conductive substances inside polyester, it is generally used to make conductive fibers. In order to make the conductive properties of fibers good enough, more conductive particles must be added. Because the price of conductive particles is relatively expensive, conductive fibers price increase
In addition, the addition of too many inorganic particles leads to poor physical properties of the fiber, and the field of application is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 96% by weight of common polyethylene terephthalate (PET) chips, 3% by weight of antistatic substances, 40% of polyether ester compounds with a number average molecular weight of 4000 and polyparaffin Copolymer of butylene phthalate, 0.5% by weight of sodium dodecylbenzenesulfonate and 0.5% by weight of tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) Propionate] pentaerythritol ester is blended, enters the screw extruder, and is melted and extruded by the screw extruder to become a polymer melt that can be spun. The melt extrusion process of the screw extruder is equipped with 3 to 5 stages of heating zone, the heating temperature of each zone is set at 280°C to 295°C, and the polymer melt is sequentially transported to the metering pump, the spinning box, and the spinning assembly, and finally extruded through the spinneret, cooled, oiled, and interlaced , pre-drawing, and coiling (coiling speed at 3000m / min) to obtain durable antistatic polyester fibers. The volume sp...

Embodiment 2

[0026] 93% by weight of common polyethylene terephthalate (PET) chips, 6% by weight of antistatic substances, and 20% of antistatic substances are polyether ester compounds with a number average molecular weight of 20,000 and polyparaffin A mixture of butanediol phthalate, 0.5% by weight of sodium dodecylbenzenesulfonate and 0.5% by weight of tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) Propionate] pentaerythritol ester is blended, enters the screw extruder, and is melted and extruded by the screw extruder to become a polymer melt that can be spun. The melt extrusion process of the screw extruder is equipped with 3 to 5 stages of heating zone, the heating temperature of each zone is set at 280°C to 295°C, and the polymer melt is sequentially transported to the metering pump, the spinning box, and the spinning assembly, and finally extruded through the spinneret, cooled, oiled, and interlaced , pre-drawing, and coiling (coiling speed at 3000m / min) to obtain durable antistati...

Embodiment 3

[0029] 90.5% by weight of common polyethylene terephthalate (PET) chips, 9% by weight of antistatic substances, and 20% of antistatic substances are polyether ester compounds with a number average molecular weight of 20,000 and polyparaffin The mixture of butanediol phthalate and 0.5% by weight of sodium dodecylbenzene sulfonate are blended, enter the screw extruder, and become polymers that can be spun through the melt extrusion of the screw extruder Melt, the melt extrusion process of the screw extruder is equipped with 3 to 5 heating zones, and the heating temperature of each zone is set at 280°C to 295°C, and the polymer melt is sequentially transported to the metering pump, spinning box, The spinning assembly is finally extruded through the spinneret, cooled, oiled, interlaced, pre-drawn, and coiled (coiled at a speed of 3000m / min) to obtain durable antistatic polyester fibers. The volume specific resistance of the fiber is in the range of 108 ~10 9 Ω·cm, the breaking st...

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PUM

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Abstract

The present invention discloses a lasting anti-static polyester fiber and a production method thereof. The fiber consists of a polyester polymer, an anti-static substance, an organic electrolytic agent and an antioxidant. The production method comprises the steps: the polyester chips, the anti-static substance, the organic electrolytic agent and the antioxidant are uniformly mixed according to a ratio or pelletized and subsequently fed to a screw extruder; the mixture is extruded and molded by a spinneret plate, cooled, fed with oil, compounded, previously drawn and reeled, and the lasting anti-static polyester fiber is obtained. The anti-static fiber made has excellent anti-static properties and lasting properties, and the fundamental properties of the fiber are not influenced. The production method is simple and easily operated. The fiber can be industrially produced by common dacron spinning equipment without modifying the equipment. The product has lasting anti-static properties. Fabric processed has the advantages of lasting anti-static properties, thermal resistance, washing fastness, friction resistance, insulation and anti-pollution.

Description

technical field [0001] The invention relates to a fiber and a preparation method, which is a durable antistatic polyester fiber prepared from a polymer type antistatic agent (masterbatch) and a preparation method thereof. Background technique [0002] Polyester (polyester) fiber is currently the world's largest synthetic fiber with excellent comprehensive properties. However, polyester fiber is a hydrophobic fiber, and its volume resistivity under standard conditions reaches 10. 13 More than Ω·cm, it is an insulating material, and it is easy to generate static electricity through friction. In modern industrial production and daily life, for example: after the finished product is easily stained and vacuumed, it greatly affects the appearance, hygiene and functionality of the product; when wearing it, it will cause discomfort due to frictional discharge. Electrostatic hazards often cause major losses and disasters. When the accumulated static electricity is higher than 500V,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F6/92D01F1/09D01D5/08D01D5/12
Inventor 赵锁林佐藤正幸
Owner TORAY FIBER RES INST(CHINA) CO LTD