CN104403168A - Graphene fiber reinforced polyethylene material and preparation method thereof - Google Patents
Graphene fiber reinforced polyethylene material and preparation method thereof Download PDFInfo
- Publication number
- CN104403168A CN104403168A CN201410661452.4A CN201410661452A CN104403168A CN 104403168 A CN104403168 A CN 104403168A CN 201410661452 A CN201410661452 A CN 201410661452A CN 104403168 A CN104403168 A CN 104403168A
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- Prior art keywords
- graphene
- graphene fiber
- polythene material
- polyethylene
- fiber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- 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
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
Abstract
The invention discloses a graphene fiber reinforced polyethylene material and a preparation method thereof. Mechanical property, electricity conducting property and heat conducting property of polyethylene are reinforced successfully by modifying polyethylene with graphene. The graphene fiber reinforced polyethylene material is characterized in that a xylene dispersing agent of graphene fiber is adopted and added into molten polyethylene for stirring and blending for preparation, wherein the mass ratio of the graphene fiber to polyethylene is (15:85)-(25:75), besides, the polyethylene material further comprises 1%-3% of auxiliaries, the length of the graphene fiber ranges from 1,000 microns to 3,000 microns, and the diameter ranges from 150 microns to 400 microns.
Description
Technical field
The present invention relates to vinyl polymer Material Field, relate to polythene material of a kind of Graphene enhancing and preparation method thereof particularly.
Background technology
Polyethylene (polyethylene is called for short PE) is that ethene is through being polymerized obtained a kind of thermoplastic resin.Polyethylene odorless, nontoxic, feel ceraceous, has excellent resistance to low temperature, and chemical stability is good, the erosion of the most of soda acid of ability.Be insoluble to common solvent under normal temperature, water-absorbent is little, and electrical insulating property is excellent.Purposes is very extensive, is mainly used to manufacture film, wrapping material, container, pipeline, monofilament, electric wire, daily necessities etc., and can be used as the high-frequency insulation material of TV, radar etc.
But polyethylene is very sensitive for the chemistry of environment and mechanical effect, and heat-resistant aging is poor.The pad pasting of polyethylene material is softer, and light transmission is also very poor, does not usually have anti-scratch, antiwear effect, because good insulating property are also difficult to prevent electrostatic interaction.
The monoatomic layer flat film that Graphene is made up of carbon atom is nano material the thinnest in the world, and Graphene only has 0.34 nanometer thickness.Its light transmission is good, and it self only absorbs the light of about 2.3%.Meanwhile, very high specific conductivity can also be ensured.
But deep not enough to the applied research of Graphene at present, the instability that Graphene becomes more than 180 degrees Celsius, easily decomposes, and is thus suitable for the material preparation and fabrication of lower temperature range.
Summary of the invention
Given this, the present invention has prepared the polythene material that a kind of Graphene strengthens, and utilizes Graphene to poly modification, successfully enhances poly mechanics, conduction and heat conductivility.
The polythene material that graphene fiber strengthens, is characterized in that: adopt the dimethylbenzene dispersion liquid of graphene fiber, adds in molten polyethylene to carry out blended under agitation and make, and wherein graphene fiber and poly mass ratio are 15:85 ~ 25:75.Comprise the per-cent that 1-3%(accounts for Graphene and polyethylene total mass in addition) auxiliary agent.
In one embodiment, the length of described graphene fiber is 1000-3000 micron, diameter 150-400 micron.
In one embodiment, described polyethylene is high density polyethylene(HDPE).In one embodiment, described poly fusing point is lower than 135 degrees Celsius.
In one embodiment, described melting process carries out blended for carrying out melting stirring at 135-140 degree Celsius, after treating that the dimethylbenzene dispersion liquid of described graphene fiber adds, is warmed up to more than 150 degrees Celsius and continues heating.
In one embodiment, until melt temperature increase to over more than 150 degrees Celsius keep for some time to constant weight after, obtain the product of definite shape through extrusion moulding or injection molding.
In one embodiment, described auxiliary agent comprises one or more in antioxidant 1010, oxidation inhibitor PS802, sodium borohydride.
In one embodiment, the preparation technology of graphene fiber is as follows: by the graphene/graphene oxide of 100 weight parts after grinding, add the PVA of 50-100 part, water-ethanol, ultrasonic disperse, then evenly extrude in 200-300 micron spinning mouth, again through cutting continuously, oven dry, finally obtain the staple fibre of 1000-3000 micron.
In one embodiment, also comprise the recycling process of p-Xylol, add complete at the dimethylbenzene dispersion liquid of described graphene fiber, by water cooling system, evaporation dimethylbenzene tail gas is recycled.
The present invention has the following advantages:
1) adopt special Graphene-PVA spinning fibre, significantly improve poly mechanical strength.
2) by the introducing of Graphene, the specific conductivity changing composite polyethylene material is greatly improved.
3), in whole preparation process, adopt ethanol, water as environmentally friendly solvent, and recycle dimethylbenzene, environmentally safe.
Embodiment
Embodiment one:
The preparation technology of Graphene-PVA fiber is as follows: by the graphene/graphene oxide of 100 weight parts after grinding, add the PVA of 100 parts, be dissolved in the water of 500 parts, alcohol mixed solvent, through ultrasonic disperse, then evenly extrude in 200 microns of spinning mouths, again through cutting continuously, oven dry, finally obtain the staple fibre of 1000 microns.
Adopt above-mentioned graphene fiber, add in dimethylbenzene and mix, form suspension, then added in molten polyethylene by gained solution and carry out the polythene material that blended under agitation makes graphene fiber enhancing, wherein graphene fiber and poly mass ratio are 15:85.Comprise the per-cent that 1%(accounts for Graphene and polyethylene total mass in addition) auxiliary agent.
Described melt blending process is that melting process is: carry out melt blending at 140 degrees Celsius, after treating that the dimethylbenzene dispersion liquid of described graphene fiber adds, is warmed up to more than 150 degrees Celsius and continues heating.Until melt temperature increase to over more than 150 degrees Celsius keep for some time to constant weight after, obtain the product of definite shape through twin screw extruder extrusion moulding or injection molding.
Embodiment two:
The preparation technology of Graphene-PVA fiber is as follows: by the graphene/graphene oxide of 100 weight parts after grinding, add the PVA of 50 parts, be dissolved in the water of 500 parts, alcohol mixed solvent, through ultrasonic disperse, then evenly extrude in 300 microns of spinning mouths, again through cutting continuously, oven dry, finally obtain the staple fibre of 3000 microns.
Adopt above-mentioned graphene fiber, add in dimethylbenzene and mix, form suspension, then added in molten polyethylene by gained solution and carry out the polythene material that blended under agitation makes graphene fiber enhancing, wherein graphene fiber and poly mass ratio are 25:75.Comprise the per-cent that 3%(accounts for Graphene and polyethylene total mass in addition) auxiliary agent.
Described melt blending process is that melting process is: carry out melt blending at 135 degrees Celsius, after treating that the dimethylbenzene dispersion liquid of described graphene fiber adds, is warmed up to more than 150 degrees Celsius and continues heating.Until melt temperature increase to over more than 150 degrees Celsius keep for some time to constant weight after, obtain the product of definite shape through twin screw extruder extrusion moulding or injection molding.
Embodiment three:
The preparation technology of Graphene-PVA fiber is as follows: by the graphene/graphene oxide of 100 weight parts after grinding, add the PVA of 80 parts, be dissolved in the water of 500 parts, alcohol mixed solvent, through ultrasonic disperse, then evenly extrude in 220 microns of spinning mouths, again through cutting continuously, oven dry, finally obtain the staple fibre of 2000 microns.
Adopt above-mentioned graphene fiber, add in dimethylbenzene and mix, form suspension, then added in molten polyethylene by gained solution and carry out the polythene material that blended under agitation makes graphene fiber enhancing, wherein graphene fiber and poly mass ratio are 20:80.Comprise the per-cent that 2%(accounts for Graphene and polyethylene total mass in addition) auxiliary agent.
Described melt blending process is that melting process is: carry out melt blending at 140 degrees Celsius, after treating that the dimethylbenzene dispersion liquid of described graphene fiber adds, is warmed up to more than 160 degrees Celsius and continues heating.Until melt temperature increase to over more than 160 degrees Celsius keep for some time to constant weight after, obtain the product of definite shape through twin screw extruder extrusion moulding or injection molding.
The polythene material that the graphene fiber all prepared through above-mentioned three kinds of techniques strengthens, its mechanical strength, electroconductibility, thermal conductivity compare former polyethylene all raising in various degree.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, implant system of the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the polythene material of a graphene fiber enhancing, it is characterized in that: the dimethylbenzene dispersion liquid adopting graphene fiber, add in the polyethylene of melting and carry out blended under agitation and make, wherein graphene fiber and poly mass ratio are 15:85 ~ 25:75, comprise auxiliary agent in addition, the quality of described auxiliary agent accounts for Graphene and polyethylene total mass per-cent is 1-3%.
2. the polythene material of a kind of Graphene enhancing according to claim 1, is characterized in that: the length of described graphene fiber is 1000-3000 micron, diameter 150-400 micron.
3. the polythene material of a kind of Graphene enhancing according to claim 2, it is characterized in that: melting process is for carry out melt blending at 135-140 degree Celsius, after treating that the dimethylbenzene dispersion liquid of described graphene fiber adds, be warmed up to more than 150 degrees Celsius and continue heating.
4. the polythene material that strengthens of a kind of Graphene according to claim 3, is characterized in that: until temperature increase to over more than 150 degrees Celsius keep for some time to constant weight after, obtain the product of definite shape through extrusion moulding or injection molding.
5. the polythene material that strengthens of a kind of Graphene according to claim 3, is characterized in that: described auxiliary agent comprise in antioxidant 1010, oxidation inhibitor PS802, sodium borohydride one or more.
6. the preparation method of the polythene material of the Graphene enhancing as described in claim 1-5, it is characterized in that, the preparation technology of graphene fiber is as follows: by the graphene/graphene oxide of 100 weight parts after grinding, add the PVA of 50-100 part, be dissolved in water, the alcohol mixed solvent of 500 parts, ultrasonic disperse, then evenly extrude in 200-300 micron spinning mouth, then through cutting continuously, oven dry, finally obtain the staple fibre of 1000-3000 micron.
7. the preparation method of the polythene material of a Graphene enhancing as claimed in claim 6, it is characterized in that, comprise the recycling process of p-Xylol, add complete at the dimethylbenzene dispersion liquid of described graphene fiber, by water cooling system, evaporation dimethylbenzene tail gas is recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410661452.4A CN104403168A (en) | 2014-11-19 | 2014-11-19 | Graphene fiber reinforced polyethylene material and preparation method thereof |
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| CN201410661452.4A CN104403168A (en) | 2014-11-19 | 2014-11-19 | Graphene fiber reinforced polyethylene material and preparation method thereof |
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| CN104403168A true CN104403168A (en) | 2015-03-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877234A (en) * | 2015-06-11 | 2015-09-02 | 贵州新碳高科有限责任公司 | Graphene fiber and polymer heat conducting composite material |
| CN106498538A (en) * | 2016-11-18 | 2017-03-15 | 株洲时代新材料科技股份有限公司 | The preparation method and applications of high-termal conductivity aromatic polyamide fibre |
| CN106750845A (en) * | 2016-11-17 | 2017-05-31 | 无锡市长安曙光手套厂 | A kind of wear-resisting sole expanded material |
| CN107099866A (en) * | 2017-04-01 | 2017-08-29 | 中国水产科学研究院东海水产研究所 | High knot strength fishing polyethylene monofilament and its manufacture method |
| CN113862853A (en) * | 2021-10-27 | 2021-12-31 | 内蒙古爱立特纺织股份有限公司 | Cashmere graphene blended yarn capable of preventing static reactance pilling and preparation process thereof |
Citations (3)
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| CN102153877A (en) * | 2011-02-22 | 2011-08-17 | 中国科学技术大学 | Graphene composite material and preparation method thereof |
| CN102585335A (en) * | 2012-03-14 | 2012-07-18 | 吉林大学 | Method for preparing polyethylene/graphene conductive composite material |
| CN104004251A (en) * | 2014-05-07 | 2014-08-27 | 武汉金牛经济发展有限公司 | Preparation method of graphene-modified heat-resistant polyethylene composite tubing |
-
2014
- 2014-11-19 CN CN201410661452.4A patent/CN104403168A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153877A (en) * | 2011-02-22 | 2011-08-17 | 中国科学技术大学 | Graphene composite material and preparation method thereof |
| CN102585335A (en) * | 2012-03-14 | 2012-07-18 | 吉林大学 | Method for preparing polyethylene/graphene conductive composite material |
| CN104004251A (en) * | 2014-05-07 | 2014-08-27 | 武汉金牛经济发展有限公司 | Preparation method of graphene-modified heat-resistant polyethylene composite tubing |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877234A (en) * | 2015-06-11 | 2015-09-02 | 贵州新碳高科有限责任公司 | Graphene fiber and polymer heat conducting composite material |
| CN106750845A (en) * | 2016-11-17 | 2017-05-31 | 无锡市长安曙光手套厂 | A kind of wear-resisting sole expanded material |
| CN106498538A (en) * | 2016-11-18 | 2017-03-15 | 株洲时代新材料科技股份有限公司 | The preparation method and applications of high-termal conductivity aromatic polyamide fibre |
| CN106498538B (en) * | 2016-11-18 | 2018-09-18 | 株洲时代新材料科技股份有限公司 | The preparation method and applications of high-termal conductivity aromatic polyamide fibre |
| CN107099866A (en) * | 2017-04-01 | 2017-08-29 | 中国水产科学研究院东海水产研究所 | High knot strength fishing polyethylene monofilament and its manufacture method |
| CN113862853A (en) * | 2021-10-27 | 2021-12-31 | 内蒙古爱立特纺织股份有限公司 | Cashmere graphene blended yarn capable of preventing static reactance pilling and preparation process thereof |
| CN113862853B (en) * | 2021-10-27 | 2022-09-02 | 内蒙古爱立特纺织股份有限公司 | Cashmere graphene blended yarn capable of preventing static reactance pilling and preparation process thereof |
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Application publication date: 20150311 |