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Carbon black polytrimethylene terephthalate conductive fiber and preparation method thereof

A technology of poly(trimethylene terephthalate) and conductive fiber, which is applied in the manufacture of conductive/antistatic filaments, conjugated synthetic polymer artificial filaments, etc., and can solve the problems of inability to achieve permanent antistatic and difficulty in large-scale production, etc. problem, to achieve good electrical conductivity, improve electrical conductivity, and washable effect

Inactive Publication Date: 2017-06-27
JIANGSU ZJA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Patent CN102220658A discloses a polytrimethylene terephthalate nano-conductive fiber among the PTT anti-static fibers prepared in the prior art, and uses carbon nanotubes as a template to carry out electrospinning to prepare PTT nano-conductive fibers. This method is difficult Large-scale production; CN104862815A discloses a kind of antibacterial antistatic fiber based on polytrimethylene terephthalate, and adopts the method for preparing PTT antistatic fiber by using humidity-dependent surfactant antistatic agents HKD-510 and HKD-912; CN104845238A discloses The flame-retardant antistatic masterbatch based on polytrimethylene terephthalate and the masterbatch of a kind of antistatic polytrimethylene terephthalate disclosed by CN104861504A all adopt the method similar to CN104862815A, and cannot reach permanent antistatic Effect

Method used

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  • Carbon black polytrimethylene terephthalate conductive fiber and preparation method thereof
  • Carbon black polytrimethylene terephthalate conductive fiber and preparation method thereof
  • Carbon black polytrimethylene terephthalate conductive fiber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038]6 kg of carbon black conductive agent, 150 g of aluminate coupling agent, 600 g of polyester wax dispersant, 20 g of 1010 and DLTP' compound antioxidant, 150 g of magnesium stearate and 13.1 kg of PTT polyester chips Pre-kneading, the kneading temperature is 120°C, and the kneading time is 60 minutes; then, a conductive masterbatch with a carbon black conductive agent content of 30wt% is obtained through a twin-screw extruder melt blending, and is fully dried for use.

[0039] 80 kilograms of dried non-conductive part PTT slices and the above-mentioned conductive masterbatch are melted and transported with a screw extruder respectively. %) enters the embedded and externally guided trilobal composite spinning assembly for compounding, and shoots out from the spinneret hole to form a thin stream of melt. The melt stream is cooled by the cooling air and solidified into primary filaments. The wind pressure of the side blowing is 80Pa, the wind speed is 0.8m / s; the wind tempe...

Embodiment 2

[0041] 5 kg of carbon black conductive agent, 100 g of aluminate coupling agent, 600 g of polyester wax dispersant, 30 g of 1010 and DLTP' compound antioxidant, 150 g of magnesium stearate and 14.2 kg of PTT polyester chips Pre-kneading, the kneading temperature is 150°C, and the kneading time is 40 minutes; then, the conductive masterbatch with a carbon black conductive agent content of 25wt% is prepared through twin-screw extruder melt blending, and is fully dried for use.

[0042] 80 kg of dry non-conductive part PTT slices and the above-mentioned conductive masterbatch are melted and transported with a screw extruder respectively. %) enters the sheath-core outer conduction composite spinning assembly for compounding, and shoots out from the spinneret hole to form a thin stream of melt. The melt stream is cooled by the cooling air and solidified into primary filaments. The wind pressure of the side blowing is 120Pa, the wind speed is 1.0m / s; the wind temperature is 18°C, an...

Embodiment 3

[0044] 3.6 kg of carbon black conductive agent, 15 g of aluminate coupling agent, 300 g of polyester wax dispersant, 15 g of 1010 and DLTP' compound antioxidant, 60 g of magnesium stearate and 16.6 kg of PTT polyester chips Pre-kneading, the kneading temperature is 90°C, and the kneading time is 80 minutes; then, a conductive masterbatch with a carbon black conductive agent content of 18wt% is obtained through a twin-screw extruder melt blending, and is fully dried for use.

[0045] 80 kg of dry non-conductive part PTT slices and the above-mentioned conductive masterbatch are melted and transported by screw extruder respectively. %) enters the core-in-skin composite spinning assembly for compounding, and shoots out from the spinneret hole to form a thin stream of melt. The melt stream is cooled by the cooling air and solidifies into primary filaments. The wind pressure of the side blowing is 200Pa, the wind speed is 1.2m / s; the wind temperature is 20°C, and the wind humidity i...

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Abstract

The invention relates to a carbon black polytrimethylene terephthalate (PTT) conductive fiber and a preparation method thereof. The conductive fiber is made of a conductive part and a non-conductive part by adopting a composite spinning process. The conductive part is composed of a PTT material, a carbon black conductive agent and an auxiliary, and the non-conductive part is made of the PTT material. The preparation method comprises the step (1) of preparing PTT conductive master batches; the step (2) of respectively using a screw extruder to perform fusion conveying of the PTT conductive master batches and PTT slices respectively, distributing the PTT conductive master batches and the PTT slices to each spinneret orifice of a composite spinneret, ejecting the PTT conductive master batches and the PTT slices out of the spinneret orifices, and performing cross air blasting cooling, oiling, drafting and winding. The carbon black polytrimethylene terephthalate (PTT) conductive fiber and the preparation method thereof has the advantages that conductive part of the conductive fiber made by composite spinning is centered on part of the fiber and has the best conductive performance according to a percolation threshold theory of a carbon black conductive mechanism, and characteristics of high elasticity and comfort of the PTT fiber are also reserved. Since the conductive agent is only loaded partially, the influence on fiber performances is not high, and the fiber can be widely applied to the field of permanent static prevention.

Description

technical field [0001] The invention relates to a conductive fiber and a preparation method thereof, in particular to a carbon black polytrimethylene terephthalate conductive fiber and a preparation method thereof, belonging to the technical field of conductive fibers. Background technique [0002] Bio-based materials refer to a new class of materials manufactured by using renewable biomass, including plant-derived carbohydrates and fatty acids, through biological, physical or chemical means, with green, environmentally friendly, renewable and biodegradable characteristics. . Bio-based materials have a very broad market application space, and there are large-scale demands in the plastics industry, packaging industry, manufacturing industry and pharmaceutical industry. my country has developed bio-based materials as a strategic emerging industry during the 13th Five-Year Plan, which has important practical significance for promoting economic structural adjustment, accelerati...

Claims

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Application Information

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IPC IPC(8): D01F8/14D01F1/09D01F1/10D01D5/092
CPCD01F8/14D01D5/092D01F1/09D01F1/10
Inventor 周焕民
Owner JIANGSU ZJA NEW MATERIAL