CN110230137B - Organic carbon black conductive yarn and preparation process thereof - Google Patents

Organic carbon black conductive yarn and preparation process thereof Download PDF

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CN110230137B
CN110230137B CN201910414845.8A CN201910414845A CN110230137B CN 110230137 B CN110230137 B CN 110230137B CN 201910414845 A CN201910414845 A CN 201910414845A CN 110230137 B CN110230137 B CN 110230137B
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fiber
carbon black
organic carbon
fibers
conductive yarn
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CN110230137A (en
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蔚知行
郭璞曦
何志才
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Taizhou University
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Taizhou University
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/02—Polyamines
    • C08G73/026—Wholly aromatic polyamines
    • C08G73/0266—Polyanilines or derivatives thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Conductive Materials (AREA)
  • Artificial Filaments (AREA)

Abstract

The invention discloses an organic carbon black conductive yarn and a preparation process thereof, wherein the organic carbon black conductive yarn is prepared by blending the following raw material fibers in parts by mass: 40-60 parts of composite conductive fiber, 20-40 parts of cotton fiber and 15-25 parts of carbonized polyimide nano fiber, wherein the preparation process of the organic carbon black conductive yarn comprises the following steps: preparing the polyimide carbide nano fiber, preparing the composite conductive fiber and preparing the organic carbon black conductive yarn. The organic carbon black conductive yarn is prepared by compounding the ultrahigh molecular weight polyethylene (UHMWPE)/Polyaniline (PANI) composite conductive fiber, the cotton fiber and the carbonized polyimide nanofiber, is easy to industrially implement and produce in large scale, has good thermal stability, and has improved breaking strength and breaking elongation to a certain extent compared with the yarn which is not carbonized, and the conductivity of the prepared organic carbon black conductive yarn reaches 0.4-0.6S/cm, and is improved by 0.1-0.2S/cm compared with the yarn which is not carbonized.

Description

Organic carbon black conductive yarn and preparation process thereof
Technical Field
The invention relates to the technical field of yarn weaving, in particular to an organic carbon black conductive yarn and a preparation process thereof.
Background
In recent years, with the increasing demand of people for clothes, textile yarns can meet the basic clothes demand of people, and also need to meet other special requirements and purposes in many times, for example, antistatic performance and conductive performance are used as important standards in many cases to influence the processing mode and application field of raw material yarns. It is known that static electricity interferes with instruments, adsorbs dust and the like, affects normal work and life of people, the biggest harm of static electricity is that combustible substances are easy to ignite and explode, most of the existing yarns do not have antistatic performance, clothes made of the yarns are easy to gather static electricity to cause harm, clothes made of conductive yarns can effectively prevent static electricity accumulation and harm caused by high-voltage discharge, fabrics with conductive performance can prevent clothes from adsorbing a large amount of dust, the applicability of the clothes is improved, and the static electricity interference is avoided, and related scientific research personnel develop conductive fibers from the beginning of the 20 th century 60 years.
According to the difference of conductive components, common conductive fibers are mainly classified into metal conductive fibers, metal compound conductive fibers, conductive polymer fibers and carbon black conductive fibers, wherein the carbon black conductive fibers can be classified into three types according to different preparation methods: the first is to mix and spin carbon black and fiber-forming high polymer, the method generally adopts a skin-core composite spinning method, the skin layer is provided with carbon black powder, the core layer is a high-purity fiber-forming polymer, thus the original physical and mechanical properties are not influenced, and the fiber conductivity can be endowed.
Therefore, the yarn prepared from the organic carbon black conductive fiber and the preparation process of the yarn are provided, so that the prepared yarn has good conductivity and durability, and has excellent properties of enhanced toughness and enhanced radial strength.
Disclosure of Invention
In order to overcome the problems in the prior art, the organic carbon black conductive yarn has good conductivity and durability, and the toughness and the radial strength of the yarn are enhanced, and the invention provides the organic carbon black conductive yarn and the preparation process thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the organic carbon black conductive yarn is prepared by blending 40-60 parts by mass of composite conductive fibers, 20-40 parts by mass of cotton fibers and 15-25 parts by mass of carbonized polyimide nanofibers, and the preparation process of the organic carbon black conductive yarn comprises the following steps: the preparation method comprises the following specific implementation steps of preparation of the carbonized polyimide nano-fiber, preparation of the composite conductive fiber and preparation of the organic carbon black conductive yarn:
step one, preparing the carbonized polyimide nano fiber: the carbonized polyimide nanofiber is a black polyimide nanofiber belt obtained by imidizing and carbonizing easily-carbonized components of a polyamic acid nanofiber bundle in a chain tubular furnace;
step two, preparing the composite conductive fiber: the composite conductive fiber is an ultrahigh molecular weight polyethylene (UHMWPE)/Polyaniline (PANI) composite conductive fiber treated by a reaction solution with a certain concentration, and the preparation process of the UHMWPE/PANI composite conductive fiber comprises the steps of (1) placing UHMWPE fibers subjected to plasma pretreatment in aniline monomers for 2 hours to enable the surfaces of the UHMWPE fibers to fully adsorb the aniline monomers, taking out the UHMWPE fibers and uniformly extruding, and controlling the mass ratio of the fibers to the aniline monomers to be 1: 1; (2) ammonium persulfate is used as an oxidant, hydrochloric acid is used as doping acid, the concentration of the prepared oxidant is 20g/L, and the mass volume ratio of aniline monomer to reaction liquid is 1 g: 100ml, placing the reaction solution in a constant-temperature water bath at the temperature of 20-25 ℃, oscillating at a certain speed, dispersing the fibers to ensure that aniline monomers on the surfaces of all the fibers can react for 2 hours; (3) after the reaction is finished, taking out the fiber, washing the fiber for several times by using deionized water until the washing liquid is clear and transparent, and naturally airing the prepared dark green UHMWPE/PANI composite conductive fiber;
step three, preparing the organic carbon black conductive yarn: and (3) merging the carbonized polyimide nano-fibers obtained in the step one and the composite conductive fibers obtained in the step two with cotton fibers, and twisting the merged fibers by a twisting device to obtain the organic carbon black conductive yarn, wherein the twist degree of the twisting is 150-170 twists/m.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides an organic carbon black conductive yarn and a preparation process thereof, wherein the preparation process is characterized in that UHMWPE/PANI composite conductive fibers, cotton fibers and carbonized polyimide nanofibers are compounded, the industrial implementation is easy, the mass production is realized, the yarn prepared by the preparation process has good thermal stability, the breaking strength and the breaking elongation are improved to a certain extent compared with the yarn which is not carbonized, the conductivity of the prepared organic carbon black conductive yarn reaches 0.4-0.6S/cm, and the conductivity is improved by 0.1-0.2S/cm compared with the yarn which is not carbonized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a scanning electron microscope of a carbonized polyimide nanofiber according to the present invention;
FIG. 2 is a schematic diagram showing the electrical resistance of the organic carbon black conductive yarn of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[ example 1 ]
The organic carbon black conductive yarn is prepared by blending the following raw material fibers in parts by mass: 40 parts of composite conductive fiber, 20 parts of cotton fiber and 15 parts of carbonized polyimide nano fiber, wherein the preparation process of the organic carbon black conductive yarn comprises the following steps: the preparation method comprises the following specific implementation steps of preparation of the carbonized polyimide nano-fiber, preparation of the composite conductive fiber and preparation of the organic carbon black conductive yarn:
step one, preparing the carbonized polyimide nano fiber: the carbonized polyimide nanofiber is a black polyimide nanofiber belt obtained by imidizing and carbonizing easily-carbonized components of a polyamic acid nanofiber bundle in a chain tubular furnace;
step two, preparing the composite conductive fiber: the composite conductive fiber is an ultrahigh molecular weight polyethylene (UHMWPE)/Polyaniline (PANI) composite conductive fiber treated by a reaction solution with a certain concentration, and the preparation process of the UHMWPE/PANI composite conductive fiber comprises the steps of (1) placing UHMWPE fibers subjected to plasma pretreatment in aniline monomers for 2 hours to enable the surfaces of the UHMWPE fibers to fully adsorb the aniline monomers, taking out the UHMWPE fibers and uniformly extruding, and controlling the mass ratio of the fibers to the aniline monomers to be 1: 1; (2) ammonium persulfate is used as an oxidant, hydrochloric acid is used as doping acid, the concentration of the prepared oxidant is 20g/L, and the mass volume ratio of aniline monomer to reaction liquid is 1 g: 100ml, placing the reaction solution in a constant-temperature water bath with the temperature of 20 ℃ and oscillating at a certain speed to disperse the fibers so as to ensure that aniline monomers on the surfaces of all the fibers can react for 2 hours; (3) after the reaction, the fiber is taken out, washed for several times by deionized water until the washing liquid is clear and transparent, and the prepared dark green UHMWPE/PANI composite conductive fiber is naturally dried;
step three, preparing the organic carbon black conductive yarn: the carbonized polyimide nano fiber obtained in the step one, the composite conductive fiber obtained in the step two and cotton fiber are combined and twisted by a twisting device to obtain organic carbon black conductive yarn; wherein, the twist in the twisting treatment process is 150 twists/m.
[ example 2 ]
The organic carbon black conductive yarn is prepared by blending the following raw material fibers in parts by mass: 50 parts of composite conductive fiber, 30 parts of cotton fiber and 20 parts of carbonized polyimide nano fiber, wherein the preparation process of the organic carbon black conductive yarn comprises the following steps: the preparation method comprises the following specific implementation steps of preparation of the carbonized polyimide nano-fiber, preparation of the composite conductive fiber and preparation of the organic carbon black conductive yarn:
step one, preparing the carbonized polyimide nano fiber: the carbonized polyimide nanofiber is a black polyimide nanofiber belt obtained by imidizing and carbonizing easily-carbonized components of a polyamic acid nanofiber bundle in a chain tubular furnace;
step two, preparing the composite conductive fiber: the composite conductive fiber is an ultrahigh molecular weight polyethylene (UHMWPE)/Polyaniline (PANI) composite conductive fiber treated by a reaction solution with a certain concentration, and the preparation process of the UHMWPE/PANI composite conductive fiber comprises the steps of (1) placing UHMWPE fibers subjected to plasma pretreatment in aniline monomers for 2 hours to enable the surfaces of the UHMWPE fibers to fully adsorb the aniline monomers, taking out the UHMWPE fibers and the aniline monomers to be uniformly extruded, and controlling the mass ratio of the UHMWPE fibers to the aniline monomers to be 1: 1; (2) ammonium persulfate is used as an oxidant, hydrochloric acid is used as doping acid, the concentration of the prepared oxidant is 20g/L, and the mass volume ratio of aniline monomer to reaction liquid is 1 g: 100ml, placing the reaction solution in a constant-temperature water bath with the temperature of 23 ℃ and oscillating at a certain speed to disperse the fibers so as to ensure that aniline monomers on the surfaces of all the fibers can react for 2 hours; (3) after the reaction, the fiber is taken out, washed for several times by deionized water until the washing liquid is clear and transparent, and the prepared dark green UHMWPE/PANI composite conductive fiber is naturally dried;
step three, preparing the organic carbon black conductive yarn: the carbonized polyimide nano fiber obtained in the step one, the composite conductive fiber obtained in the step two and cotton fiber are combined and twisted by a twisting device to obtain organic carbon black conductive yarn; wherein, the twist in the twisting process is 160 twists/meter.
[ example 3 ]
The organic carbon black conductive yarn is prepared by blending the following raw material fibers in parts by mass: 60 parts of composite conductive fiber, 40 parts of cotton fiber and 25 parts of carbonized polyimide nano fiber, wherein the preparation process of the organic carbon black conductive yarn comprises the following steps: the preparation method comprises the following specific implementation steps of preparation of the carbonized polyimide nano-fiber, preparation of the composite conductive fiber and preparation of the organic carbon black conductive yarn:
step one, preparing the carbonized polyimide nano fiber: the carbonized polyimide nanofiber is a black polyimide nanofiber belt obtained by imidizing and carbonizing easily-carbonized components of a polyamic acid nanofiber bundle in a chain tubular furnace;
step two, preparing the composite conductive fiber: the composite conductive fiber is an ultrahigh molecular weight polyethylene (UHMWPE)/Polyaniline (PANI) composite conductive fiber treated by a reaction solution with a certain concentration, and the preparation process of the UHMWPE/PANI composite conductive fiber comprises the steps of (1) placing UHMWPE fibers subjected to plasma pretreatment in aniline monomers for 2 hours to enable the surfaces of the UHMWPE fibers to fully adsorb the aniline monomers, taking out the UHMWPE fibers and the aniline monomers to be uniformly extruded, and controlling the mass ratio of the UHMWPE fibers to the aniline monomers to be 1: 1; (2) ammonium persulfate is used as an oxidant, hydrochloric acid is used as doping acid, the concentration of the prepared oxidant is 20g/L, and the mass volume ratio of aniline monomer to reaction liquid is 1 g: 100ml, placing the reaction solution in a constant-temperature water bath at the temperature of 25 ℃ and oscillating at a certain speed to disperse the fibers so as to ensure that aniline monomers on the surfaces of all the fibers can react for 2 hours; (3) after the reaction, the fiber is taken out, washed for several times by deionized water until the washing liquid is clear and transparent, and the prepared dark green UHMWPE/PANI composite conductive fiber is naturally dried;
step three, preparing the organic carbon black conductive yarn: the carbonized polyimide nano fiber obtained in the step one, the composite conductive fiber obtained in the step two and cotton fiber are combined and twisted by a twisting device to obtain organic carbon black conductive yarn; wherein, the twist in the twisting process is 170 twists/m.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims (2)

1. An organic carbon black conductive yarn, which is characterized in that: the fiber is prepared by blending the following raw material fibers in parts by mass: 40-60 parts of composite conductive fiber, 20-40 parts of cotton fiber and 15-25 parts of carbonized polyimide nano fiber, wherein the preparation process of the organic carbon black conductive yarn comprises the following steps: the preparation method comprises the following specific implementation steps of preparation of the carbonized polyimide nano-fiber, preparation of the composite conductive fiber and preparation of the organic carbon black conductive yarn:
step one, preparing the carbonized polyimide nano fiber: the carbonized polyimide nanofiber is a black polyimide nanofiber belt obtained by imidizing and carbonizing an easily carbonized component through a chain tubular furnace by using a polyamic acid nanofiber bundle;
step two, preparing the composite conductive fiber: the composite conductive fiber is an ultrahigh molecular weight polyethylene (UHMWPE)/Polyaniline (PANI) composite conductive fiber treated by a reaction solution with a certain concentration, and the preparation process of the UHMWPE/PANI composite conductive fiber comprises the steps of (1) placing UHMWPE fibers subjected to plasma pretreatment in aniline monomers for 2 hours to enable the surfaces of the UHMWPE fibers to fully adsorb the aniline monomers, taking out the UHMWPE fibers and uniformly extruding, and controlling the mass ratio of the fibers to the aniline monomers to be 1: 1; (2) ammonium persulfate is used as an oxidant, hydrochloric acid is used as doping acid, the concentration of the prepared oxidant is 20g/L, and the mass volume ratio of aniline monomer to reaction liquid is 1 g: 100ml, placing the reaction solution in a constant-temperature water bath at the temperature of 20-25 ℃, oscillating at a certain speed, dispersing the fibers to ensure that aniline monomers on the surfaces of all the fibers can react for 2 hours; (3) after the reaction is finished, taking out the fiber, washing the fiber for several times by using deionized water until the washing liquid is clear and transparent, and naturally airing the prepared dark green UHMWPE/PANI composite conductive fiber;
step three, preparing the organic carbon black conductive yarn: and (3) merging the carbonized polyimide nano-fibers obtained in the step one and the composite conductive fibers obtained in the step two with cotton fibers, and twisting the merged fibers by a twisting device to obtain the organic carbon black conductive yarn.
2. The organic carbon black conductive yarn according to claim 1, wherein the twist number during the twisting process is 150 to 170 twists/m.
CN201910414845.8A 2019-05-17 2019-05-17 Organic carbon black conductive yarn and preparation process thereof Expired - Fee Related CN110230137B (en)

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CN103147197B (en) * 2013-01-25 2015-04-22 浙江春江轻纺集团有限责任公司 Conducting yarn and processing method
CN103757907A (en) * 2013-10-29 2014-04-30 鑫缘茧丝绸集团股份有限公司 In situ polymerization based process for producing conductive silk fiber product
CN208762765U (en) * 2018-08-02 2019-04-19 绍兴文理学院 A kind of layer/polyaniline conductive yarn apparatus for continuous treatment
CN109056102B (en) * 2018-08-13 2021-06-29 长春高琦聚酰亚胺材料有限公司 Black polyimide nanofiber filament yarn and batch preparation method thereof
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