CN105648565A - Preparation method of irradiation crosslinking high performance conductive fibrous material - Google Patents
Preparation method of irradiation crosslinking high performance conductive fibrous material Download PDFInfo
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- CN105648565A CN105648565A CN201510948056.4A CN201510948056A CN105648565A CN 105648565 A CN105648565 A CN 105648565A CN 201510948056 A CN201510948056 A CN 201510948056A CN 105648565 A CN105648565 A CN 105648565A
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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- 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
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
- D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
- D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/48—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of halogenated hydrocarbons
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to a preparation method of an irradiation crosslinking high performance conductive fibrous material, including a matrix resin such as polyolefin and polyester, a conductive material such as a metal powder and a metal ceramic powder, and other additives such as a crosslinking agent, an antioxidant and a coupling agent. The method is as below: conducting even physical mixing on the materials by a high mixing machine; conducting melt blending by a double screw extruder; conducting supercharging extrusion by a melt pump and a metering pump to form filaments; conducting a preliminary drawing, a rear channel drawing, thermal setting, irradiation crosslinking and treatment by a fiber finishing agent; and rewinding to obtain a product. The invention adopts the conductive metal particles or conductive metal ceramic particles as the conductive materials, which have the advantages of oxidation resistance, low resistivity and good conductive effect. The conductive fiber has good electrical conductivity, excellent mechanical properties, and substantially improved heat resistance, bending resistance and friction resistance.
Description
Technical field
The present invention relates to a kind of cross-linking radiation high-performance conductive fiber, be especially useful in the electro-conductive fiber of clothes, cable field, specifically a kind of conductive effect is good, heat-resisting, the electro-conductive fiber of rub resistance, high strength.
Background technology
Synthon very easily produce electrostatic in routine use process and are difficult to eliminate, textiles electrostatic has become and has caused oil product, priming system blast, the major cause that causes microelectronic device to damage, and the electrostatic of textiles also causes clothes attract dust, affect working efficiency, affect and healthy even cause serious accident. For this reason, normal generation and the accumulation adopting electro-conductive fiber to reduce static electric charge, loss static electric charge, overcomes statics. Meanwhile, some electro-conductive fiber can also be used to intercept or absorb hertzian wave, and electronics and human body are played protective effect.
Adopting steel fiber organization level to have excellent shield effectiveness as high pressure screen layer in high voltage cable, traditional steel fiber has bending poor performance oxidizable, resistance to, is not easily processed into fine count fiber and tooling cost height.
Electro-conductive fiber can be divided into according to the difference of material and structure: conductive compositions isotypy electro-conductive fiber, conductive compositions commixed type electro-conductive fiber, conductive compositions cladded type electro-conductive fiber and conductive compositions composite conducting fiber.
Chinese patent granted patent number is ZL201110074107.7(conductive fiber for clothing), patent of invention discloses a kind of electro-conductive fiber and its preparation method, and described electro-conductive fiber is made up of without component polyester, conductive carbon black, photomask agent, coupling agent and dispersion agent. Although this invention has certain conductive effect, it is possible to for the making of antistatic class clothes, but the content of its graphitized carbon black is lower, conductive effect is not strong, and fabric resistor rate is higher, and the easy moisture absorption of trevira causes conductivity to decline.
Summary of the invention
The present invention is the shortcoming such as carbon black is weak as the electro-conductive fiber conductivity of electro-conductive material, resistivity height in order to solve; Metallic conduction fiber bending ability oxidizable, resistance to, the not easily shortcoming such as processing and tooling cost height, proposing a kind of is matrix resin taking macromolecular material, metal-powder or electrically conductive cermet powder are electro-conductive material, prepare electro-conductive fiber through high-temperature fusion blending extrusion, and fiber utilizes irradiation crosslinking technological improve the mechanical property of fiber, resistance toheat and resistance to bending performance, idiographic flow accompanying drawing 1 after drawing-off.
For realizing above object, specific embodiment of the invention method is as follows:
The preparation method of a kind of cross-linking radiation high-performance conductive fiber material, it is characterized in that, take macromolecular material as matrix resin, metal-powder or electrically conductive cermet powder are electro-conductive material, prepare electro-conductive fiber through high-temperature fusion blending extrusion, and fiber utilizes irradiation crosslinking technological improve the mechanical property of fiber, resistance toheat and resistance to bending performance after drawing-off.
Described matrix resin is chosen as polyolefine such as polyethylene, specifically includes but not limited to high density polyethylene(HDPE), medium-density polyethylene, Low Density Polyethylene; Ethylene copolymer, specifically includes but not limited to ethylene-vinyl acetate copolymer, ethylene-vinyl alcohol copolymer, ethylene-butyl acrylate copolymer, ethylene-tetrafluoroethylene copolymer; Other include but not limited to polypropylene.
Described matrix resin is chosen as vibrin, such as polyethylene terephthalate, Poly(Trimethylene Terephthalate), polybutylene terephthalate.
Described conductive powder comprises metal-powder and includes but not limited to iron powder, nickel powder, tungsten powder, copper powder, aluminium powder, and particle size is less than 1.5 ��m; Electrically conductive cermet powder includes but not limited to metallic carbide and nitride metal tungsten, and concrete such as wolfram varbide, titanium carbide, tungsten nitride, titanium carbide and niobium carbide, particle size is less than 1.5 ��m.
Other auxiliary agent comprises linking agent, such as TAIC, TAC, TMPTA, TMPTMA; Oxidation inhibitor, such as 1010, MA, 168,1076; Coupling agent, comprises silane coupling agent, titanate coupling agent, zirconate coupling agent.
The raw material ratio of described cross-linking radiation high-performance conductive fiber material is as follows: matrix resin volume percent 60%-90%; The volume percent of conductive particle is 5%-35%; Linking agent volume percent 0.5%-1%; Oxidation inhibitor volume percent 1%-3%; Coupling agent volume percent 0.5%-1%.
The blending extrusion technique of described cross-linking radiation high-performance conductive fiber material is as follows:
High mixer blending technology: 1200-1600r/min, 60s-180s, temperature is lower than 90 DEG C;
Twin screw blending extrusion technique: temperature-higher than material melting point 20-50 DEG C, rotating speed 120-300r/min, screw slenderness ratio 36-44;
Melt Pump and volume pump technique: Melt Pump rotating speed 5-50r/min; Volume pump rotating speed 2.5-25r/min;
Spun filament drafting multiple: 10-50 is doubly.
The rear draft technique of described cross-linking radiation high-performance conductive fiber material is as follows:
One draft process: drawing temperature 50-90 DEG C, draft ratio 2-5 is doubly;
Two road draft process: drawing temperature 120-160 DEG C, draft ratio 1.25-3 is doubly;
Setting process: temperature 120-200 DEG C.
The cross-linking radiation technique of described cross-linking radiation high-performance conductive fiber material, adopts rumbatron to carry out irradiation, irradiation dose 5-15Mrad.
Fibre trimmer is adopted to carry out Fiber strength.
The present invention adopts conducting metal particles or electrically conductive cermet particle as electro-conductive material, has that resistance to oxidation, resistivity are low, conductive effect is good can advantage. Not only conductive effect is better for electro-conductive fiber, and mechanical property is excellent, and resistance toheat, resistance to bending performance and crocking resistance etc. are all significantly increased.
Innovative point: adopt conducting metal particles or electrically conductive cermet particle as electro-conductive material, has that resistance to oxidation, resistivity are low, conductive effect good energy advantage. Adopt irradiation crosslinking technological can significantly improve the tensile strength of fiber, heat-resisting new energy, crocking resistance.
Accompanying drawing explanation
Fig. 1 is cross-linking radiation high-performance conductive fiber preparation flow figure.
Embodiment
Below by way of specific embodiment, the technical scheme of the present invention is further described. Following embodiment is the further explanation to the present invention, and does not limit the scope of the invention.
Embodiment 1
Matrix resin selects high density polyethylene(HDPE) (HDPE), nickel powder (Ni) selected by electro-conductive material, material mixture ratio (volume ratio) is HDPE-65%, Ni-30%, TAIC-1%, oxidation inhibitor-3%, coupling agent 1%, through high mixer high-speed mixing (1500r/min, 120s), with twin screw extruder melt blending (160-200 DEG C, 150r/min, length-to-diameter ratio 40), extrude drawing-off (25 times) through Melt Pump (7.5r/min) and volume pump (5r/min) and obtain nascent fibre, through (one drawing-off 50 DEG C-3 times of road drawing-off later, two road drawing-offs 120 DEG C-1.3 times) and heat setting type (125 DEG C) after obtain fiber filament, rolling after electron beam to irradiate crosslinked (dosage 10Mrad) processes by fibre trimmer.
Performance is as shown in the table:
Embodiment 2
Matrix resin selects ethylene-tetrafluoroethylene (ETFE), wolfram varbide (WC) selected by electro-conductive material, material mixture ratio (volume ratio) is ETFE-75%, WC-20%, TAIC-1%, oxidation inhibitor-3%, coupling agent 1%, through high mixer high-speed mixing (1500r/min, 120s), with twin screw extruder melt blending (240-300 DEG C, 125r/min, length-to-diameter ratio 40), extrude drawing-off (25 times) through Melt Pump (6r/min) and volume pump (4r/min) and obtain nascent fibre, through (one drawing-off 90 DEG C-3 times of road drawing-off later, two road drawing-offs 160 DEG C-1.3 times) and heat setting type (200 DEG C) after obtain fiber filament, rolling after electron beam to irradiate crosslinked (dosage 15Mrad) processes by fibre trimmer.
Performance is as shown in the table:
Embodiment 3
Matrix resin selects polyethylene terephthalate (PET), titanium carbide (TiC) selected by electro-conductive material, material mixture ratio (volume ratio) is PET-70%, TiC-25%, TAIC-1%, oxidation inhibitor-3%, coupling agent-1%, through high mixer high-speed mixing (1500r/min, 120s), with twin screw extruder melt blending (220-280 DEG C, 125r/min, length-to-diameter ratio 40), extrude drawing-off (25 times) through Melt Pump (6r/min) and volume pump (4r/min) and obtain nascent fibre, through (one drawing-off 75 DEG C-3 times of road drawing-off later, two road drawing-offs 120 DEG C-1.5 times) and heat setting type (200 DEG C) after obtain fiber filament, rolling after electron beam to irradiate crosslinked (dosage 7.5Mrad) processes by fibre trimmer.
Performance is as shown in the table:
Claims (10)
1. the preparation method of a cross-linking radiation high-performance conductive fiber material, it is characterized in that, take macromolecular material as matrix resin, metal-powder or electrically conductive cermet powder are electro-conductive material, prepare electro-conductive fiber through high-temperature fusion blending extrusion, and fiber utilizes irradiation crosslinking technological improve the mechanical property of fiber, resistance toheat and resistance to bending performance after drawing-off.
2. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterized in that, described matrix resin is chosen as polyolefine such as polyethylene, specifically includes but not limited to high density polyethylene(HDPE), medium-density polyethylene, Low Density Polyethylene; Ethylene copolymer, specifically includes but not limited to ethylene-vinyl acetate copolymer, ethylene-vinyl alcohol copolymer, ethylene-butyl acrylate copolymer, ethylene-tetrafluoroethylene copolymer;Other include but not limited to polypropylene.
3. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterized in that, described matrix resin is chosen as vibrin, such as polyethylene terephthalate, Poly(Trimethylene Terephthalate), polybutylene terephthalate.
4. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterised in that, described conductive powder comprises metal-powder and includes but not limited to iron powder, nickel powder, tungsten powder, copper powder, aluminium powder, and particle size is less than 1.5 ��m; Electrically conductive cermet powder includes but not limited to metallic carbide and nitride metal tungsten, and concrete such as wolfram varbide, titanium carbide, tungsten nitride, titanium carbide and niobium carbide, particle size is less than 1.5 ��m.
5. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterised in that, other auxiliary agent comprises linking agent, such as TAIC, TAC, TMPTA, TMPTMA; Oxidation inhibitor, such as 1010, MA, 168,1076; Coupling agent, comprises silane coupling agent, titanate coupling agent, zirconate coupling agent.
6. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterised in that, the raw material ratio of described cross-linking radiation high-performance conductive fiber material is as follows: matrix resin volume percent 60%-90%; The volume percent of conductive particle is 5%-35%; Linking agent volume percent 0.5%-1%; Oxidation inhibitor volume percent 1%-3%; Coupling agent volume percent 0.5%-1%.
7. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterised in that, the blending extrusion technique of described cross-linking radiation high-performance conductive fiber material is as follows:
High mixer blending technology: 1200-1600r/min, 60s-180s, temperature is lower than 90 DEG C;
Twin screw blending extrusion technique: temperature-higher than material melting point 20-50 DEG C, rotating speed 120-300r/min, screw slenderness ratio 36-44;
Melt Pump and volume pump technique: Melt Pump rotating speed 5-50r/min; Volume pump rotating speed 2.5-25r/min;
Spun filament drafting multiple: 10-50 is doubly.
8. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterised in that, the rear draft technique of described cross-linking radiation high-performance conductive fiber material is as follows:
One draft process: drawing temperature 50-90 DEG C, draft ratio 2-5 is doubly;
Two road draft process: drawing temperature 120-160 DEG C, draft ratio 1.25-3 is doubly;
Setting process: temperature 120-200 DEG C.
9. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterised in that, the cross-linking radiation technique of described cross-linking radiation high-performance conductive fiber material, adopts rumbatron to carry out irradiation, irradiation dose 5-15Mrad.
10. the preparation method of a kind of cross-linking radiation high-performance conductive fiber material according to claim 1, it is characterised in that, adopt fibre trimmer to carry out Fiber strength.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587208A (en) * | 2017-09-28 | 2018-01-16 | 华中科技大学 | A kind of preparation method and product of tungsten nitride nanofiber |
| CN110158192A (en) * | 2019-05-27 | 2019-08-23 | 巢湖双辰网具制造有限公司 | A kind of preparation method of the fire-retardant basket strainer of electrostatic |
| CN115354415A (en) * | 2022-09-01 | 2022-11-18 | 嘉兴博锐新材料有限公司 | Antistatic functional fiber and preparation method thereof |
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| CN104695039A (en) * | 2015-03-04 | 2015-06-10 | 江苏神鹤科技发展有限公司 | Thermal-resistant anti-cutting ultra-high molecular weight polyethylene fiber and preparation method thereof |
| CN104695038A (en) * | 2015-03-04 | 2015-06-10 | 江苏神鹤科技发展有限公司 | Heat-resisting creep-resisting ultra-high molecular weight polyethylene constant-strength fiber and preparation method thereof |
| CN104711696A (en) * | 2015-03-04 | 2015-06-17 | 江苏神鹤科技发展有限公司 | Heat-resisting antistatic UHMWPE (ultra high molecular weight polyethylene) fiber and preparation method thereof |
| CN105063787A (en) * | 2015-06-25 | 2015-11-18 | 江苏神鹤科技发展有限公司 | Cross-linked polymer and preparation method thereof |
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2015
- 2015-12-17 CN CN201510948056.4A patent/CN105648565A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695039A (en) * | 2015-03-04 | 2015-06-10 | 江苏神鹤科技发展有限公司 | Thermal-resistant anti-cutting ultra-high molecular weight polyethylene fiber and preparation method thereof |
| CN104695038A (en) * | 2015-03-04 | 2015-06-10 | 江苏神鹤科技发展有限公司 | Heat-resisting creep-resisting ultra-high molecular weight polyethylene constant-strength fiber and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107587208A (en) * | 2017-09-28 | 2018-01-16 | 华中科技大学 | A kind of preparation method and product of tungsten nitride nanofiber |
| CN110158192A (en) * | 2019-05-27 | 2019-08-23 | 巢湖双辰网具制造有限公司 | A kind of preparation method of the fire-retardant basket strainer of electrostatic |
| CN115354415A (en) * | 2022-09-01 | 2022-11-18 | 嘉兴博锐新材料有限公司 | Antistatic functional fiber and preparation method thereof |
| CN115354415B (en) * | 2022-09-01 | 2024-02-20 | 陈培忠 | Antistatic functional fiber and preparation method thereof |
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