CN109056104A - A kind of preparation method of conducting polypropylene fiber - Google Patents

A kind of preparation method of conducting polypropylene fiber Download PDF

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Publication number
CN109056104A
CN109056104A CN201811104044.3A CN201811104044A CN109056104A CN 109056104 A CN109056104 A CN 109056104A CN 201811104044 A CN201811104044 A CN 201811104044A CN 109056104 A CN109056104 A CN 109056104A
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parts
mass ratio
polypropylene fiber
preparation
expanded graphite
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裘友玖
刘侠
宋宇星
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Foshan Anhui And Amperex Technology Ltd
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Foshan Anhui And Amperex Technology Ltd
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/09Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/12Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Artificial Filaments (AREA)

Abstract

The invention discloses a kind of preparation methods of conducting polypropylene fiber, belong to macromolecule conducting material technical field.According to parts by weight, it successively weighs: 40~50 parts of polypropylene agglomerates, 10~15 parts of modification of nylon, 6,5~8 parts of graphene oxides, 10~12 parts of modified alta-muds, 3~5 parts of coupling agents, 4~6 parts of dispersing agents and 2~4 parts of dicyclohexyl carbon Asia diamines;Polypropylene agglomerate is mixed with modification of nylon 6, and graphene oxide is added, modified alta-mud, coupling agent, dispersing agent and dicyclohexyl carbon Asia diamines after being stirred, squeeze out, spinneret is to get conducting polypropylene fiber.The conducting polypropylene fiber of technical solution of the present invention preparation has the characteristics that excellent mechanical property and electric conductivity, has broad prospects in the development of macromolecule conducting material technology industry.

Description

A kind of preparation method of conducting polypropylene fiber
Technical field
The invention discloses a kind of preparation methods of conducting polypropylene fiber, belong to macromolecule conducting material technical field.
Background technique
Conductive fiber is the functional fiber that electrostatic is eliminated by electronics conduction and corona discharge.Conductive fiber is any In the case of can all eliminate electrostatic in a very short period of time.In addition, the conductive fabric made of conductive fiber, also has excellent lead The functions such as electric, thermally conductive, shielding, electromagnetic wave absorption are widely used in electronics, the conductive mesh of power industry, conductive work clothes medical treatment The electric heating clothes of industry, electric face, the electro-magnetic shielding cover of electric heating bandage aviation, aerospace, precision electronics etc..
High molecular material is typically considered insulator, and biography has been broken in the generation of 1970s polyacetylene conductive material The idea of system produces the macromolecules conductive materials such as polyaniline, polypyrrole, polythiophene in succession later, leads to high molecular material Electrical property research is also more and more.There are two types of the main methods that conductive fiber is prepared using conduction high polymer.1. conducting polymer The direct spinning direct spinning of material: wet spinning is generally used, polyaniline is such as made into concentrated solution in certain solidification Stretch spinning in bath.Here the preparation of polyaniline is aniline under acid medium, with oxidant, such as Ammonium Persulfate 98.5, oxidation polymerization. 2. post treatment method: post treatment method is mainly chemically reacted on general fibre surface, and electroconductive polymer is made to be adsorbed on fiber Surface makes the conductive energy of general fibre.The preparation method of this kind of conductive fiber is that first general fibre is situated between in aniline acidity It is impregnated in matter, in order to permeate aniline toward fibrous inside, can heat or be added the sweller of fiber, and urging for copper ions is added Agent, the fiber after impregnating are immersed in oxidizing agent solution again, the aniline energy rapid polymerization of fiber surface, and the color of fiber is vertical Light green color is become by brown, and then becomes blackish green, electric conductivity is also best with blackish green color fibre.If not acid adding in aniline Property substance, after fiber surface is oxidation-treated, color be brown or bronze-colored, conductive capability is poor, or even without conductive capability.
And traditional conducting polypropylene fiber the problem of can not further being promoted there is also mechanical property and electric conductivity, because This, the shortcomings that how improving conventional conductive polypropylene fibre, develops the conduction poly- third with good comprehensive performance in the hope of exploring Alkene fiber is problem to be solved.
Summary of the invention
The present invention solves the technical problem of: for conventional conductive polypropylene fibre mechanical property and electric conductivity without The shortcomings that method is further promoted provides a kind of preparation method of conducting polypropylene fiber.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of preparation method of conducting polypropylene fiber, specific preparation step are as follows:
(1) graphene oxide dispersion is mixed with ethylenediamine 10:1~15:1 in mass ratio, after being stirred to react, is filtered, washing, Dry, grinding obtains modified graphene;
(2) modified graphene being mixed with water 1:100~1:180 in mass ratio, ultrasonic disperse obtains modified graphene dispersion liquid, Modified graphene dispersion liquid is mixed with organobentonite 10:1~12:1 in mass ratio, under microwave condition, after oscillating reactions, Filtering, dry, grinding obtains modified alta-mud;
(3) expanded graphite is mixed with caprolactam 2:1~3:1 in mass ratio, and is added 10~15 times of expanded graphite quality N,N-Dimethylformamide, the initiator of 0.1~0.2 times of expanded graphite quality quality and 0.1~0.2 times of expanded graphite quality Catalyst after being stirred to react, filters, dry, obtains pretreatment expanded graphite, by expanded graphite and the 1:15 in mass ratio of nylon 6~ 1:20 mixing, is granulated, obtains modification of nylon 6;
(4) according to parts by weight, it successively weighs: 40~50 parts of polypropylene agglomerates, 10~15 parts of 6,5~8 parts of modification of nylon oxidations Graphene, 10~12 parts of modified alta-muds, 3~5 parts of coupling agents, 4~6 parts of dispersing agents and 2~4 parts of dicyclohexyl carbon Asia diamines; Polypropylene agglomerate is mixed with modification of nylon 6, and graphene oxide is added, modified alta-mud, coupling agent, dispersing agent and two hexamethylenes Base carbon Asia diamines after being stirred, squeezes out, spinneret is to get conducting polypropylene fiber.
Step (1) graphene oxide dispersion is to mix graphene oxide and water 1:100~1:200 in mass ratio It closes, ultrasonic disperse obtains graphene oxide dispersion.
Step (2) organobentonite is to mix bentonite with water 1:10~1:15 in mass ratio, and swelling is added The cetyl dimethyl ammonium bromide and 0.1~0.2 times of bentonite quality of caprolactam that 0.1~0.2 times of soil property amount, stirring are anti- Ying Hou is filtered, dry, and grinding obtains organobentonite.
Step (3) initiator is potassium peroxydisulfate, any one in ammonium persulfate or sodium peroxydisulfate.
Step (3) described catalyst is any one in sulfuric acid or dicyclohexylcarbodiimide that mass fraction is 70~85% Kind.
Step (4) coupling agent is any one in phthalate ester coupling agent or aluminate coupling agent.
Step (4) dispersing agent is dispersing agent NNO, any one in Dispersant MF or dispersing agent 5040.
The beneficial effects of the present invention are:
(1) modified alta-mud is added when preparing conducting polypropylene fiber in the present invention, firstly, bentonite is after modification, stone Black alkene enters in bentonitic lamellar structure, thus the electric conductivity of product can be made to improve after being added in product, also, due to In modified alta-mud bentonite with graphene compound tense, first pass through organic intercalation processing, to make bentonite in polypropylene Dispersibility improve, and then improve the electric conductivity of product;Secondly, the graphene surface contained in modified alta-mud has amino Group can react in product preparation process with the oxygen-containing group that surface of graphene oxide is added after being added in product, To form conductive network in interiors of products, and then further increase the electric conductivity of product, mechanical property improves;
(2) modification of nylon 6 is added when preparing conducting polypropylene fiber by the present invention, on the one hand, modification of nylon 6 can be in graphite oxide It is scattered in polypropylene under the solubilization of alkene, and due to containing evenly dispersed expanded graphite inside modification of nylon 6, thus Expanded graphite can be made to be uniformly distributed in products, and then further increase the electric conductivity of product, on the other hand, due to oxidation The characteristic that graphene keeps modification of nylon 6 solubilized in polypropylene more connects so as to form modification of nylon 6 in polypropylene Continuous club shaped structure, and form more abundant three-dimensional network in the product with modified alta-mud, make the electric conductivity of product into One step improves.
Specific embodiment
Bentonite is mixed with water 1:10~1:15 in mass ratio, and bentonite is added into the mixture of bentonite and water The cetyl dimethyl ammonium bromide and 0.1~0.2 times of bentonite quality of caprolactam that 0.1~0.2 times of quality be in temperature 50~75 DEG C, under conditions of revolving speed is 300~350r/min, after being stirred to react 3~5h, filtering obtains organobentonite blank, will Under conditions of organobentonite blank is 80~90 DEG C in temperature after dry 1~2h, the organobentonite blank after drying is ground 1~2h is ground, organobentonite is obtained;Graphene oxide dispersion is mixed with ethylenediamine 10:1~15:1 in mass ratio, in temperature It is 60~85 DEG C, under conditions of revolving speed is 300~400r/min, after being stirred to react 3~4h, filtering obtains modified graphene blank, After modified graphene blank is washed with deionized 5~10 times, and dry 50 under conditions of being 80~90 DEG C in temperature~ 80min obtains modified graphene after the modified graphene blank after drying is ground 50~60min;Modified graphene and water are pressed Mass ratio 1:100~1:180 mixing obtains modified stone under conditions of frequency is 45~55kHz after 30~40min of ultrasonic disperse Black alkene dispersion liquid mixes modified graphene dispersion liquid with organobentonite 10:1~12:1 in mass ratio, in frequency be 100~ Under the microwave condition of 1000W, after 2~3h of oscillating reactions, filtering obtains filter cake, by filter cake under conditions of temperature is 55~65 DEG C After dry 2~3h, and the filter cake after drying is ground into 30~50min, obtains modified alta-mud;Expanded graphite and caprolactam are pressed Mass ratio 2:1~3:1 is mixed in flask, and 10~15 times of expanded graphite quality of N, N- dimethyl formyl are added into flask Amine, the initiator and 0.1~0.2 times of expanded graphite quality of catalyst of 0.1~0.2 times of expanded graphite quality quality, in temperature It is 65~85 DEG C, under conditions of revolving speed is 300~350r/min, after being stirred to react 5~8h, filtering obtains pretreatment expanded graphite Blank must pre-process expansion stone under conditions of being 70~80 DEG C in temperature by pretreatment expanded graphite blank after dry 1~2h Expanded graphite and the 1:15~1:20 in mass ratio of nylon 6 are mixed in double screw extruder by ink, in temperature be 150~180 DEG C Under conditions of extruding pelletization, obtain modification of nylon 6;According to parts by weight, it successively weighs: 40~50 parts of polypropylene agglomerates, 10~15 Part 6,5~8 parts of graphene oxides of modification of nylon, 10~12 parts of modified alta-muds, 3~5 parts of coupling agents, 4~6 parts of dispersing agents and 2 ~4 parts of dicyclohexyl carbon Asia diamines;Polypropylene agglomerate and modification of nylon 6 are mixed in batch mixer, and are added into batch mixer Graphene oxide, modified alta-mud, coupling agent, dispersing agent and dicyclohexyl carbon Asia diamines, in temperature be 160~180 DEG C, revolving speed Under conditions of 260~300r/min, after being stirred 1~2h, obtain blank, blank squeezed out in spinning machine, spinneret to get Conducting polypropylene fiber.The graphene oxide dispersion is to mix graphene oxide and water 1:100~1:200 in mass ratio It closes, ultrasonic disperse obtains graphene oxide dispersion.The initiator is potassium peroxydisulfate, any in ammonium persulfate or sodium peroxydisulfate It is a kind of.The catalyst is any one in sulfuric acid or dicyclohexylcarbodiimide that mass fraction is 70~85%.The coupling Agent is any one in phthalate ester coupling agent or aluminate coupling agent.The dispersing agent is dispersing agent NNO, Dispersant MF or dispersion Any one in agent 5040.
Bentonite is mixed with water 1:15 in mass ratio, and bentonite quality is added into the mixture of bentonite and water 0.2 times of cetyl dimethyl ammonium bromide and 0.2 times of bentonite quality of caprolactam are 75 DEG C in temperature, and revolving speed is Under conditions of 350r/min, after being stirred to react 5h, filtering obtains organobentonite blank, is in temperature by organobentonite blank Under conditions of 90 DEG C after dry 2h, the organobentonite blank after drying is ground into 2h, obtains organobentonite;By graphene oxide Dispersion liquid is mixed with ethylenediamine 15:1 in mass ratio, is 85 DEG C in temperature, under conditions of revolving speed is 400r/min, is stirred to react 4h Afterwards, filter, obtain modified graphene blank, after modified graphene blank is washed with deionized 10 times, and in temperature be 90 DEG C Under conditions of dry 80min obtain modified graphene after the modified graphene blank after drying is ground 60min;By modified graphite Alkene is mixed with water 1:180 in mass ratio, under conditions of frequency is 55kHz after ultrasonic disperse 40min, obtains modified graphene dispersion Liquid mixes modified graphene dispersion liquid with organobentonite 12:1 in mass ratio, in frequency be 1000W microwave condition under, After oscillating reactions 3h, filtering obtains filter cake, under conditions of being 65 DEG C in temperature by filter cake after dry 3h, and by the filter cake after drying 50min is ground, modified alta-mud is obtained;Expanded graphite and caprolactam 3:1 in mass ratio are mixed in flask, and into flask 15 times of expanded graphite quality of n,N-Dimethylformamide, the initiator and expansion stone of 0.2 times of expanded graphite quality quality is added The catalyst of 0.2 times of black quality is 85 DEG C in temperature, and under conditions of revolving speed is 350r/min, after being stirred to react 8h, filtering is obtained Expanded graphite blank is pre-processed, under conditions of being 80 DEG C in temperature by pretreatment expanded graphite blank after dry 2h, must be pre-processed Expanded graphite and the 1:20 in mass ratio of nylon 6 are mixed in double screw extruder by expanded graphite, the item for being 180 DEG C in temperature Extruding pelletization under part obtains modification of nylon 6;According to parts by weight, it successively weighs: 50 parts of polypropylene agglomerates, 15 parts of modification of nylon 6,8 Part graphene oxide, 12 parts of modified alta-muds, 5 parts of coupling agents, 6 parts of dispersing agents and 4 parts of dicyclohexyl carbon Asia diamines;By polypropylene Master batch and modification of nylon 6 are mixed in batch mixer, and graphene oxide is added into batch mixer, modified alta-mud, coupling agent, point Powder and dicyclohexyl carbon Asia diamines are 180 DEG C in temperature, under conditions of revolving speed is 300r/min, after being stirred 2h, obtain base Material, blank is squeezed out in spinning machine, spinneret is to get conducting polypropylene fiber.The graphene oxide dispersion is that will aoxidize Graphene is mixed with water 1:200 in mass ratio, and ultrasonic disperse obtains graphene oxide dispersion.The initiator is potassium peroxydisulfate. The catalyst is the sulfuric acid that mass fraction is 85%.The coupling agent is phthalate ester coupling agent.The dispersing agent is dispersing agent NNO。
Bentonite is mixed with water 1:15 in mass ratio, and bentonite quality is added into the mixture of bentonite and water 0.2 times of cetyl dimethyl ammonium bromide and 0.2 times of bentonite quality of caprolactam are 75 DEG C in temperature, and revolving speed is Under conditions of 350r/min, after being stirred to react 5h, filtering obtains organobentonite blank, is in temperature by organobentonite blank Under conditions of 90 DEG C after dry 2h, the organobentonite blank after drying is ground into 2h, obtains organobentonite;By graphene and water The mixing of 1:180 in mass ratio obtains graphene dispersing solution, by graphite under conditions of frequency is 55kHz after ultrasonic disperse 40min Alkene dispersion liquid is mixed with organobentonite 12:1 in mass ratio, in frequency be 1000W microwave condition under, after oscillating reactions 3h, Filtering, obtains filter cake, under conditions of being 65 DEG C in temperature by filter cake after dry 3h, and the filter cake after drying is ground 50min, must changed Property bentonite;Expanded graphite and caprolactam 3:1 in mass ratio are mixed in flask, and expanded graphite matter is added into flask The n,N-Dimethylformamide of 15 times of amount, the initiator of 0.2 times of expanded graphite quality quality and 0.2 times of expanded graphite quality urge Agent is 85 DEG C in temperature, and under conditions of revolving speed is 350r/min, after being stirred to react 8h, filtering must pre-process expanded graphite base Material obtains pretreatment expanded graphite, will expand stone under conditions of being 80 DEG C in temperature by pretreatment expanded graphite blank after dry 2h Ink is mixed in double screw extruder with the 1:20 in mass ratio of nylon 6, and extruding pelletization under conditions of being 180 DEG C in temperature must change Property nylon 6;According to parts by weight, it successively weighs: 50 parts of polypropylene agglomerates, 15 parts of modification of nylon, 6,8 parts of graphene oxides, 12 parts Modified alta-mud, 5 parts of coupling agents, 6 parts of dispersing agents and 4 parts of dicyclohexyl carbon Asia diamines;Polypropylene agglomerate and modification of nylon 6 are mixed Together in batch mixer, and graphene oxide is added into batch mixer, modified alta-mud, coupling agent, dispersing agent and dicyclohexyl carbon Sub- diamines is 180 DEG C in temperature, under conditions of revolving speed is 300r/min, after being stirred 2h, blank is obtained, by blank in spinning It is squeezed out in machine, spinneret is to get conducting polypropylene fiber.The initiator is potassium peroxydisulfate.The catalyst is that mass fraction is 85% sulfuric acid.The coupling agent is phthalate ester coupling agent.The dispersing agent is dispersing agent NNO.
Bentonite is mixed with water 1:15 in mass ratio, and bentonite quality is added into the mixture of bentonite and water 0.2 times of cetyl dimethyl ammonium bromide and 0.2 times of bentonite quality of caprolactam are 75 DEG C in temperature, and revolving speed is Under conditions of 350r/min, after being stirred to react 5h, filtering obtains organobentonite blank, is in temperature by organobentonite blank Under conditions of 90 DEG C after dry 2h, the organobentonite blank after drying is ground into 2h, obtains organobentonite;By graphene oxide Dispersion liquid is mixed with ethylenediamine 15:1 in mass ratio, is 85 DEG C in temperature, under conditions of revolving speed is 400r/min, is stirred to react 4h Afterwards, filter, obtain modified graphene blank, after modified graphene blank is washed with deionized 10 times, and in temperature be 90 DEG C Under conditions of dry 80min obtain modified graphene after the modified graphene blank after drying is ground 60min;By expanded graphite It is mixed in flask with caprolactam 3:1 in mass ratio, and 15 times of expanded graphite quality of N, N- dimethyl is added into flask Formamide, the initiator and 0.2 times of expanded graphite quality of catalyst of 0.2 times of expanded graphite quality quality, in temperature be 85 DEG C, Under conditions of revolving speed is 350r/min, after being stirred to react 8h, filtering must pre-process expanded graphite blank, and pretreatment is expanded stone Under conditions of black blank is 80 DEG C in temperature after dry 2h, pretreatment expanded graphite is obtained, in mass ratio with nylon 6 by expanded graphite 1:20 is mixed in double screw extruder, and extruding pelletization under conditions of being 180 DEG C in temperature obtains modification of nylon 6;In parts by weight Meter, successively weighs: 50 parts of polypropylene agglomerates, 15 parts of modification of nylon, 6,8 parts of graphene oxides, 12 parts of bentonites, 5 parts of coupling agents, and 6 Part dispersing agent and 4 parts of dicyclohexyl carbon Asia diamines;Polypropylene agglomerate and modification of nylon 6 are mixed in batch mixer, and to mixing Graphene oxide, bentonite, coupling agent, dispersing agent and dicyclohexyl carbon Asia diamines are added in machine, in temperature be 180 DEG C, revolving speed Under conditions of 300r/min, after being stirred 2h, blank is obtained, blank is squeezed out in spinning machine, spinneret is to get conduction poly- third Alkene fiber.The graphene oxide dispersion is to mix graphene oxide with water 1:200 in mass ratio, and ultrasonic disperse obtains oxygen Graphite alkene dispersion liquid.The initiator is potassium peroxydisulfate.The catalyst is the sulfuric acid that mass fraction is 85%.The coupling Agent is phthalate ester coupling agent.The dispersing agent is dispersing agent NNO.
Bentonite is mixed with water 1:15 in mass ratio, and bentonite quality is added into the mixture of bentonite and water 0.2 times of cetyl dimethyl ammonium bromide and 0.2 times of bentonite quality of caprolactam are 75 DEG C in temperature, and revolving speed is Under conditions of 350r/min, after being stirred to react 5h, filtering obtains organobentonite blank, is in temperature by organobentonite blank Under conditions of 90 DEG C after dry 2h, the organobentonite blank after drying is ground into 2h, obtains organobentonite;By graphene oxide Dispersion liquid is mixed with ethylenediamine 15:1 in mass ratio, is 85 DEG C in temperature, under conditions of revolving speed is 400r/min, is stirred to react 4h Afterwards, filter, obtain modified graphene blank, after modified graphene blank is washed with deionized 10 times, and in temperature be 90 DEG C Under conditions of dry 80min obtain modified graphene after the modified graphene blank after drying is ground 60min;By modified graphite Alkene is mixed with water 1:180 in mass ratio, under conditions of frequency is 55kHz after ultrasonic disperse 40min, obtains modified graphene dispersion Liquid mixes modified graphene dispersion liquid with organobentonite 12:1 in mass ratio, in frequency be 1000W microwave condition under, After oscillating reactions 3h, filtering obtains filter cake, under conditions of being 65 DEG C in temperature by filter cake after dry 3h, and by the filter cake after drying 50min is ground, modified alta-mud is obtained;According to parts by weight, it successively weighs: 50 parts of polypropylene agglomerates, 15 parts of 6,8 parts of nylon oxidations Graphene, 12 parts of modified alta-muds, 5 parts of coupling agents, 6 parts of dispersing agents and 4 parts of dicyclohexyl carbon Asia diamines;By polypropylene agglomerate with Nylon 6 is mixed in batch mixer, and graphene oxide is added into batch mixer, modified alta-mud, coupling agent, dispersing agent and two rings Hexyl carbon Asia diamines is 180 DEG C in temperature, under conditions of revolving speed is 300r/min, after being stirred 2h, blank is obtained, by blank It is squeezed out in spinning machine, spinneret is to get conducting polypropylene fiber.The graphene oxide dispersion is by graphene oxide and water The mixing of 1:200 in mass ratio, ultrasonic disperse obtain graphene oxide dispersion.The initiator is potassium peroxydisulfate.The catalyst The sulfuric acid for being 85% for mass fraction.The coupling agent is phthalate ester coupling agent.The dispersing agent is dispersing agent NNO.
Comparative example: the conducting polypropylene fiber material of Wuxi material production Co., Ltd production.
Example 1 to the resulting conducting polypropylene fiber of example 4 and comparative example product are subjected to performance detection, specific detection side Method is as follows:
Mechanical property: the mechanical property of LQ-300KLLY electronic fiber strength tester measurement test specimen is utilized.Test condition: tensile elongation For 100mm, tensile speed 10mm/min.Every group of test specimen, which stretches 10 times, to be averaged, and breaking strength and introductory die are finally obtained Amount.
Electric conductivity: the volume resistivity of the fiber using DZ2631 insulation resistance instrument measurement as-spun fibre and after stretching, Test condition: fiber clamp distance is 5cm, 50~250V of discharge voltage.Every group of fiber is surveyed 10 times, and being averaged for 10 readings is taken Value.
Specific testing result is as shown in table 1:
1 conducting polypropylene fibre property testing result of table
By 1 testing result of table it is found that the conducting polypropylene fiber of technical solution of the present invention preparation have excellent mechanical property and The characteristics of electric conductivity, has broad prospects in the development of macromolecule conducting material technology industry.

Claims (7)

1. a kind of preparation method of conducting polypropylene fiber, it is characterised in that specific preparation step are as follows:
(1) graphene oxide dispersion is mixed with ethylenediamine 10:1~15:1 in mass ratio, after being stirred to react, is filtered, washing, Dry, grinding obtains modified graphene;
(2) modified graphene being mixed with water 1:100~1:180 in mass ratio, ultrasonic disperse obtains modified graphene dispersion liquid, Modified graphene dispersion liquid is mixed with organobentonite 10:1~12:1 in mass ratio, under microwave condition, after oscillating reactions, Filtering, dry, grinding obtains modified alta-mud;
(3) expanded graphite is mixed with caprolactam 2:1~3:1 in mass ratio, and is added 10~15 times of expanded graphite quality N,N-Dimethylformamide, the initiator of 0.1~0.2 times of expanded graphite quality quality and 0.1~0.2 times of expanded graphite quality Catalyst after being stirred to react, filters, dry, obtains pretreatment expanded graphite, by expanded graphite and the 1:15 in mass ratio of nylon 6~ 1:20 mixing, is granulated, obtains modification of nylon 6;
(4) according to parts by weight, it successively weighs: 40~50 parts of polypropylene agglomerates, 10~15 parts of 6,5~8 parts of modification of nylon oxidations Graphene, 10~12 parts of modified alta-muds, 3~5 parts of coupling agents, 4~6 parts of dispersing agents and 2~4 parts of dicyclohexyl carbon Asia diamines; Polypropylene agglomerate is mixed with modification of nylon 6, and graphene oxide is added, modified alta-mud, coupling agent, dispersing agent and two hexamethylenes Base carbon Asia diamines after being stirred, squeezes out, spinneret is to get conducting polypropylene fiber.
2. a kind of preparation method of conducting polypropylene fiber according to claim 1, it is characterised in that: step (1) is described Graphene oxide dispersion is to mix graphene oxide with water 1:100~1:200 in mass ratio, and ultrasonic disperse obtains oxidation stone Black alkene dispersion liquid.
3. a kind of preparation method of conducting polypropylene fiber according to claim 1, it is characterised in that: step (2) is described Organobentonite is to mix bentonite with water 1:10~1:15 in mass ratio, and be added the ten of 0.1~0.2 times of bentonite quality Six alkyl dimethyl ammonium bromides and 0.1~0.2 times of bentonite quality of caprolactam after being stirred to react, filter, dry, grinding, Obtain organobentonite.
4. a kind of preparation method of conducting polypropylene fiber according to claim 1, it is characterised in that: step (3) is described Initiator is potassium peroxydisulfate, any one in ammonium persulfate or sodium peroxydisulfate.
5. a kind of preparation method of conducting polypropylene fiber according to claim 1, it is characterised in that: step (3) is described Catalyst is any one in sulfuric acid or dicyclohexylcarbodiimide that mass fraction is 70~85%.
6. a kind of preparation method of conducting polypropylene fiber according to claim 1, it is characterised in that: step (4) is described Coupling agent is any one in phthalate ester coupling agent or aluminate coupling agent.
7. a kind of preparation method of conducting polypropylene fiber according to claim 1, it is characterised in that: step (4) is described Dispersing agent is dispersing agent NNO, any one in Dispersant MF or dispersing agent 5040.
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CN111074690A (en) * 2019-12-12 2020-04-28 南京思宇环保科技有限公司 Preparation method of artificial board
CN113430713A (en) * 2021-05-21 2021-09-24 徐恩淼 Composite board with electromagnetic shielding performance and preparation method thereof
CN116376167A (en) * 2023-05-22 2023-07-04 上海廉藤实业有限公司 Modified plastic and preparation method thereof
CN117265683A (en) * 2023-11-20 2023-12-22 江苏金牛能源设备有限公司 Bentonite-loaded antibacterial agent and application thereof in antibacterial fibers

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Publication number Priority date Publication date Assignee Title
CN111074690A (en) * 2019-12-12 2020-04-28 南京思宇环保科技有限公司 Preparation method of artificial board
CN113430713A (en) * 2021-05-21 2021-09-24 徐恩淼 Composite board with electromagnetic shielding performance and preparation method thereof
CN114875572A (en) * 2021-05-21 2022-08-09 徐恩淼 Composite board with electromagnetic shielding performance
CN114875572B (en) * 2021-05-21 2024-01-23 东莞市兆信电子科技有限公司 Composite board with electromagnetic shielding performance
CN116376167A (en) * 2023-05-22 2023-07-04 上海廉藤实业有限公司 Modified plastic and preparation method thereof
CN117265683A (en) * 2023-11-20 2023-12-22 江苏金牛能源设备有限公司 Bentonite-loaded antibacterial agent and application thereof in antibacterial fibers
CN117265683B (en) * 2023-11-20 2024-04-09 江苏金牛能源设备有限公司 Bentonite-loaded antibacterial agent and application thereof in antibacterial fibers

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