CN109306628A - A kind of duplex coating basalt fibre fabrics and preparation method thereof for electromagnetic protection field - Google Patents
A kind of duplex coating basalt fibre fabrics and preparation method thereof for electromagnetic protection field Download PDFInfo
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- CN109306628A CN109306628A CN201811129073.5A CN201811129073A CN109306628A CN 109306628 A CN109306628 A CN 109306628A CN 201811129073 A CN201811129073 A CN 201811129073A CN 109306628 A CN109306628 A CN 109306628A
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- coating
- basalt fibre
- graphite
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0022—Glass fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/04—Properties of the materials having electrical or magnetic properties
- D06N2209/048—Electromagnetic interference shielding
Abstract
The duplex coating basalt fibre fabrics and preparation method thereof that the invention discloses a kind of for electromagnetic protection field.Basalt fibre fabrics are chosen as base fabric, its it is two-sided graphite and graphene coating is respectively coated, coating is made of polyurethane resin, graphite or graphene functional particles and thickener by a certain percentage respectively.Graphite is added into resin, high-speed stirred is subsequently added into thickener, continues high-speed stirred, and graphite paint preparation is completed.Base fabric is fixed on coating machine pin frame, the graphite paint of above-mentioned preparation is evenly applied to scrim surfaces, then coated fabric is placed in baking oven, is taken out after drying and is placed in ventilation and dries in the air to being completely dried.So far, mono-layer graphite coated fabric preparation finishes.Then, functional particles are changed to graphene, the above coating preparation operation is repeated, gained graphene coating is evenly applied to the uncoated one side of basalt fibre fabrics, taking-up is placed in ventilation and dries in the air to after being completely dried up to duplex coating basalt fibre fabrics after drying.
Description
Technical field
The invention belongs to electromagnetic shielding fabric technical fields, and in particular to a kind of duplex coating for electromagnetic protection field
Basalt fibre fabrics and preparation method thereof.
Background technique
Electromagnetic radiation is the phenomenon that energy passes through spatial in the form of an electromagnetic wave, the general features with wave.Electromagnetism
Radiation is a kind of compound electromagnetic wave, is changed with time with orthogonal electric and magnetic fields and transmits energy.With electronics
Equipment is popularized, this is invisible for electromagnetic radiation, can not touch, and penetration power is strong, is full of in " the stealthy killer " in entire space, is just got over
Carry out the life of more influence mankind.On the one hand, it will cause malfunction or the operating barrier of electronic equipment, influence its normal fortune
Row, to the precision instruments such as Aerospace Engineering, health care system, there are great potential hazards.On the other hand, it will affect
The a series of bioelectric of human body damages human normal function under the action of fuel factor, non-thermal effect and cumulative effect.
For the group of Long Term Contact electromagenetic wave radiation, even if power very little, frequency are very low, it is also possible to unimaginable lesion is induced,
Old man, children, pregnant woman are all sensitive group, should more cause highly vigilant of.Therefore the prevention and treatment of Contamination of Electromagnetic Wave is arranged at present
Enter one of the big event of environmental protection.
Nano material has been provided simultaneously with the features such as broadband, good compatibility, thin thickness, and developed country makees nano material
It is researched and developed for microwave defense material of new generation.Graphene is a kind of New Two Dimensional plane nano material to come out in 2004
Material, it is the basic unit for constituting other graphite materials, and the thickness of only one layer carbon atom, special monoatomic layer structure determines
It has been determined with abundant and excellent physical property.Graphene is both most thin material, and most tough material, and fracture is strong
100 times more taller than best steel are spent, while it has good elasticity again, the specific surface area of super large and superpower electronics pass
Lead ability.It is difficult to meet the shortcomings that " thin, light, wide, strong " requires currently, a kind of or a kind of material is used alone, using compound
The advantage that the synergistic effect and electromagnetic parameter of material are adjustable carries out dielectric loss type graphene and conduction loss graphite polynary
It is compound, effectively promote electromagnetic protection effect.It is worth noting that, although graphene has great application potential, super large
Specific surface area and intermolecular force the drawbacks of leading to easy to reunite and difficult dispersion, reduce the adsorptivity of graphene itself,
Limit the performance of its excellent properties.
It is an object of the invention to overcome the above-mentioned prior art, a kind of duplex coating basalt fabric is provided
Preparation method, the coating is easy to operate because technically simple, cheap and be widely used.Meanwhile electric stirring in the present invention
The strong stirring of device effectively prevents the reunion of graphene, successfully solves the problems, such as the dispersion of graphene difficulty.
Summary of the invention
The present invention is in order to solve the above technical problems, provide a kind of duplex coating basalt fibre fabrics and its preparation side
Method.
Duplex coating basalt fibre fabrics of the invention, are prepared with coating process, material group become base fabric and
Coating.
Heretofore described base fabric is environmental type high-performance basalt fibre.
The composition and parts by weight of heretofore described coating are as follows: aqueous polyurethane: 100 parts by weight；Thickener: 0.1~1 weight
Measure part；Graphite functional particles: 5~20 parts by weight；Graphene functional particles: 5~20 parts by weight.
Heretofore described aqueous polyurethane is translucent lotion, and solid powder 40 ± 1, viscosity (25 DEG C, mPa.S) is less than
300。
Heretofore described thickener is water-based thickener, and main component is urethanes, and pH value 7.0 ± 0.1 glues
Degree≤3000CPS/25 DEG C.
Heretofore described 48 μm of graphite functional particles partial size <.
Heretofore described graphene functional particles partial size is 5~15 μm, and purity is greater than 95%.
The present invention also provides the preparation methods of above-mentioned duplex coating basalt fibre fabrics, include the following steps.
1) preparation of base fabric: preparing the cloth of suitable size as required, it is entirely fixed on coating machine pin frame,
It adjusts to suitable tension.
2) preparation of coating: a, the polyurethane resin for taking 100 parts by weight weigh the functional particles of 5~20 parts by weight (at this
It is graphite or graphene powder in secondary research).B, the beaker for filling polyurethane resin is fixed on stirring machine clamp, will be stirred
After device drops to the half position of resin liquid level height, start electric mixer.C, electric mixer is with low speed (about 750rad/
When min) stirring, graphite functional particles marginally slowly are added into resin will be electronic after load weighted graphite is added completely into
The high-speed stirred state (about 2000rad/min) that blender is adjusted to continues after stirring 10min, and the thickener of 0.1~1 parts by weight is added
Obtain mixed material.It then continues to high speed (about 2000rad/min) and stirs material 20min, to guarantee that it is uniformly mixed.D, to step
Homogeneous material obtained by rapid c carries out viscosimetric analysis, if not up to specified value 30000mPa.S, needs repeatedly to continue addition thickening on a small quantity
Agent is simultaneously stirred with low speed (about 750rad/min), until viscosity reaches prescribed requirement, so far graphite paint preparation is finished.E, by function
Energy particle is changed to graphene, repeats b, c, d operation, obtains graphene coating.
3) preparation of signal layer coating fabric: Black Warrior graphite paint prepared by step 2) being evenly applied in step 1)
On batholith cloth, coated fabric is placed in baking oven, the drying 15min at 80 DEG C.Taking-up is placed in ventilation and dries in the air to complete after drying
It is dry.So far, mono-layer graphite coated fabric preparation finishes.
4) preparation of duplex coating fabric: graphene coating prepared by step 2) is evenly applied to basalt fibre and is knitted
The one side of the uncoated coating of object, coated fabric is placed in baking oven, the drying 15min at 80 DEG C.It is taken out after drying and is placed in ventilation
Place dries in the air to being completely dried, and obtains duplex coating basalt fibre fabrics.
The beneficial effects of the present invention are: the present invention by dielectric loss type graphene and conduction loss graphite functional particles
Multiple elements design is carried out, duplex coating basalt fabric is prepared, exclusive use one kind is overcome or a kind of material is difficult to meet
The shortcomings that " thin, light, wide, strong " requires obtains good electromagnetic protection effect.
The present invention disperses nano-graphene functional particles easy to reunite rationally in resin matrix by improving technique, mentions
High uniformities of the functional particles in fabric surface, improve the ability of flexible composite effective protection electromagnetic wave, certain
Under the conditions of may replace metallic fiber and coat of metal protective materials.
The good characteristic of present invention combination textile material, uses high-performance basalt fibre fabrics as coating composite material
Base fabric while reducing grammes per square metre, improves the flexibility and strength of material.
Preparation process of the present invention is simple, it is easy to accomplish, the exploitation that fabric can be taken for electromagnetic protection provides reference.
Detailed description of the invention
Fig. 1 is the preparation process figure of duplex coating basalt fibre fabrics obtained by embodiment.
Fig. 2 is the structural model figure of duplex coating basalt fibre fabrics obtained by embodiment.
Fig. 3 is the mechanics properties testing datagram of duplex coating basalt fibre fabrics obtained by embodiment.
Fig. 4 and Fig. 5 is that the electromagnetic shielding performance of duplex coating basalt fibre fabrics obtained by embodiment detects figure.
Specific embodiment
The present invention provides a kind of duplex coating basalt fibre fabrics and preparation method thereof, below with reference to specific embodiment party
The present invention will be further described for formula.
Embodiment 1.
The base fabric of duplex coating basalt fibre fabrics is selected as basalt fibre fire retardant in the present embodiment.Coating includes
Following parts by weight of component: the aqueous polyurethane of 100 parts by weight, the thickener of 0.5 parts by weight, the graphite of 10 parts by weight, 5 parts by weight
Graphene.
Wherein, the aqueous polyurethane of 100 parts by weight is PU-2540.
The thickener of 0.5 parts by weight is water-based thickener 7011.
The graphite (analysis is pure, and partial size is 48 μm of <) of 10 parts by weight, the graphene of 5 parts by weight (analyze pure, partial size 5-
95%) 15um, purity are greater than.
Its specific preparation step is as follows.
1) preparation of base fabric: prepare the cloth of 15cm*30cm size as required, it is entirely fixed on to coating machine needle plate
On frame, adjust to suitable tension.
2) preparation of coating: a, the polyurethane resin for taking 100 parts by weight weigh the graphite and 5 parts by weight of 10 parts by weight
Graphene.B, the beaker for filling polyurethane resin is fixed on stirring machine clamp, blender is dropped into resin liquid level height
Half position after, start electric mixer.C, when electric mixer is with low speed (about 750rad/min) stirring, slowly marginally
Graphite functional particles are added into resin, electric mixer is adjusted to high-speed stirred shape after load weighted graphite is added completely into
State (about 2000rad/min) continues after stirring 10min, and the thickener that 0.5 parts by weight are added obtains mixed material.Then continue to high speed
(about 2000rad/min) stirs material 20min, to guarantee that it is uniformly mixed.D, viscosity is carried out to homogeneous material obtained by step c
Measurement is 30000mPa.S, and so far, graphite paint preparation finishes.E, functional particles are changed to graphene, repeat b, c, d operation,
Obtain graphene coating.
3) preparation of signal layer coating fabric: Black Warrior graphite paint prepared by step 2) being evenly applied in step 1)
On batholith cloth, coated fabric is placed in baking oven, the drying 15min at 80 DEG C.Taking-up is placed in ventilation and dries in the air to complete after drying
It is dry.So far, mono-layer graphite coated fabric preparation finishes.
4) preparation of duplex coating fabric: graphene coating prepared by step 2) is evenly applied to basalt fibre and is knitted
The one side of the uncoated coating of object, coated fabric is placed in baking oven, the drying 15min at 80 DEG C.It is taken out after drying and is placed in ventilation
Place dries in the air to being completely dried, and obtains duplex coating basalt fibre fabrics.
Embodiment 2.
The base fabric of duplex coating basalt fibre fabrics is selected as basalt fibre fire retardant in the present embodiment.Coating includes
Following parts by weight of component: the aqueous polyurethane of 100 parts by weight, the thickener of 0.5 parts by weight, the graphite of 5 parts by weight, 10 parts by weight
Graphene.
Wherein, the aqueous polyurethane of 100 parts by weight is PU-2540.
The thickener of 0.5 parts by weight is water-based thickener 7011.
The graphite (analysis is pure, and partial size is 48 μm of <) of 5 parts by weight, the graphene of 10 parts by weight (analyze pure, partial size 5-
95%) 15um, purity are greater than.
Its specific preparation step is as follows.
1) preparation of base fabric: prepare the cloth of 15cm*30cm size as required, it is entirely fixed on to coating machine needle plate
On frame, adjust to suitable tension.
2) preparation of coating: a, the polyurethane resin for taking 100 parts by weight weigh the graphite and 10 parts by weight of 5 parts by weight
Graphene.B, the beaker for filling polyurethane resin is fixed on stirring machine clamp, blender is dropped into resin liquid level height
Half position after, start electric mixer.C, when electric mixer is with low speed (about 750rad/min) stirring, slowly marginally
Graphite functional particles are added into resin, electric mixer is adjusted to high-speed stirred shape after load weighted graphite is added completely into
State (about 2000rad/min) continues after stirring 10min, and the thickener that 0.5 parts by weight are added obtains mixed material.Then continue to high speed
(about 2000rad/min) stirs material 20min, to guarantee that it is uniformly mixed.D, viscosity is carried out to homogeneous material obtained by step c
Measurement is 30000mPa.S, and so far graphite paint preparation finishes.E, functional particles are changed to graphene, repeat b, c, d operation,
Obtain graphene coating.
3) preparation of signal layer coating fabric: Black Warrior graphite paint prepared by step 2) being evenly applied in step 1)
On batholith cloth, coated fabric is placed in baking oven, the drying 15min at 80 DEG C.Taking-up is placed in ventilation and dries in the air to complete after drying
It is dry.So far, mono-layer graphite coated fabric preparation finishes.
4) preparation of duplex coating fabric: graphene coating prepared by step 2) is evenly applied to basalt fibre and is knitted
The one side of the uncoated coating of object, coated fabric is placed in baking oven, the drying 15min at 80 DEG C.It is taken out after drying and is placed in ventilation
Place dries in the air to being completely dried, and obtains duplex coating basalt fibre fabrics.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (8)
1. duplex coating basalt fibre fabrics, it is characterised in that: prepared using coating process, carry out two-sided painting in fabric surface
Layer, material group become base fabric and coating.
2. duplex coating basalt fibre fabrics according to claim 1, which is characterized in that the base fabric is environmentally protective
Type high-performance basalt fibre fabrics.
3. duplex coating basalt fibre fabrics according to claim 1, which is characterized in that the composition of the coating and again
Measure part are as follows: aqueous polyurethane: 100 parts by weight；Thickener: 0.1~1 parts by weight；Graphite functional particles: 5~20 parts by weight；Graphite
Olefinic functionality particle: 5~20 parts by weight.
4. duplex coating basalt fibre fabrics according to claim 3, which is characterized in that the aqueous polyurethane is half
Transparency emulsion, solid powder 40 ± 1, viscosity (25 DEG C, mPa.S) is less than 300.
5. duplex coating basalt fibre fabrics according to claim 3, which is characterized in that the thickener is aqueous increasing
Thick dose, main component is urethanes, pH value 7.0 ± 0.1, viscosity≤3000CPS/25 DEG C.
6. duplex coating basalt fibre fabrics according to claim 3, it is characterised in that the graphite functional particles grain
48 μm of diameter <.
7. duplex coating basalt fibre fabrics according to claim 3, it is characterised in that the graphene functional particles
Partial size is 5~15 μm, and purity is greater than 95%.
8. the preparation method of duplex coating basalt fibre fabrics according to claim 1, it is characterised in that including as follows
Step:
1) preparation of base fabric: preparing the cloth of suitable size as required, it is entirely fixed on coating machine pin frame, adjustment
To suitable tension.2) preparation of coating: a, taking a certain amount of waterborne polyurethane resin in beaker, weighs the function grain of certain mass
Son (being graphite or graphene powder in this research).B, the beaker for filling polyurethane resin is fixed on stirring machine clamp
On, after blender to be dropped to the half position of resin liquid level height, start electric mixer.C, electric mixer is with low speed
When (about 750rad/min) is stirred, graphite functional particles are slowly marginally added into resin, add completely to load weighted graphite
After entering, electric mixer is adjusted to high-speed stirred state (about 2000rad/min) and is continued after stirring 10min, is added a certain amount of
Thickener obtains mixed material.It then continues to high speed (about 2000rad/min) and stirs material 20min, to guarantee that it is uniformly mixed.
D, carry out viscosimetric analysis to homogeneous material obtained by step c needs repeatedly to continue to add on a small quantity if not up to specified value 30000mPa.S
Add thickener and stirred with low speed (about 750rad/min), until viscosity reaches prescribed requirement, so far graphite paint preparation is finished.
E, functional particles are changed to graphene, repeat b, c, d operation, obtains graphene coating.3) preparation of signal layer coating fabric: by step
2) graphite paint prepared by is evenly applied in the basalt base fabric in step 1), coated fabric is placed in baking oven, in 80
Drying 15min at DEG C.It is taken out after drying and is placed in ventilation and dries in the air to being completely dried.So far, mono-layer graphite coated fabric preparation finishes.
4) it is uncoated that graphene coating prepared by step 2) preparation of duplex coating fabric: is evenly applied to basalt fibre fabrics
The one side of coating, coated fabric is placed in baking oven, the drying 15min at 80 DEG C.Taking-up is placed in ventilation and dries in the air to complete after drying
White drying obtains duplex coating basalt fibre fabrics.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129073.5A CN109306628A (en) | 2018-09-27 | 2018-09-27 | A kind of duplex coating basalt fibre fabrics and preparation method thereof for electromagnetic protection field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811129073.5A CN109306628A (en) | 2018-09-27 | 2018-09-27 | A kind of duplex coating basalt fibre fabrics and preparation method thereof for electromagnetic protection field |
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| CN109306628A true CN109306628A (en) | 2019-02-05 |
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ID=65224875
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111705515A (en) * | 2020-06-05 | 2020-09-25 | 天津工业大学 | Preparation method of graphite/graphene/silver-coated glass bead coating wave-absorbing fabric |
| CN112281508A (en) * | 2020-10-26 | 2021-01-29 | 天津工业大学 | Multilayer electromagnetic wave-absorbing textile composite material and preparation method thereof |
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| US20120251796A1 (en) * | 2011-03-30 | 2012-10-04 | Owens Corning Intellectual Capital, Llc | High thermal resistivity insulation material with opacifier uniformly distributed thoughout |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111705515A (en) * | 2020-06-05 | 2020-09-25 | 天津工业大学 | Preparation method of graphite/graphene/silver-coated glass bead coating wave-absorbing fabric |
| CN112281508A (en) * | 2020-10-26 | 2021-01-29 | 天津工业大学 | Multilayer electromagnetic wave-absorbing textile composite material and preparation method thereof |
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