CN105885793B - Method for preparing wear-proof super-hydrophobic material by taking quartz sand and PVC (polyvinyl chloride) as raw materials - Google Patents
Method for preparing wear-proof super-hydrophobic material by taking quartz sand and PVC (polyvinyl chloride) as raw materials Download PDFInfo
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- CN105885793B CN105885793B CN201610292514.8A CN201610292514A CN105885793B CN 105885793 B CN105885793 B CN 105885793B CN 201610292514 A CN201610292514 A CN 201610292514A CN 105885793 B CN105885793 B CN 105885793B
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
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Abstract
The invention discloses a method for preparing a wear-proof super-hydrophobic material by taking quartz sand and PVC (polyvinyl chloride) as raw materials. The method comprises the following steps: 1) preparing super-hydrophobic quartz sand particles; 2) dissolving the PVC in tetrahydrofuran at a room temperature to obtain a mixed solution; 3) carrying out ultrasonic dispersion on the super-hydrophobic quartz sand particles in the mixed solution, carrying out water bath heating and heat preservation to obtain turbid liquid; 4) evenly coating the turbid liquid onto a substrate, drying the substrate coated with the turbid liquid under a room temperature condition, putting the substrate in a drying oven, drying for 1-2 h at a temperature of 100-120 DEG C, rubbing the surface of the dried substrate, and obtaining the wear-proof super-hydrophobic material on the substrate. The method directly uses clay mineral quartz sand powder with low cost as a standard raw material, and the wear-proof super-hydrophobic material can be obtained only through simple operation steps and moderate reaction conditions. The material has the advantage that the material is free from the limitation of the substrate, and meanwhile, the industrial application of the quartz sand can be expanded.
Description
Technical field
The invention belongs to wear-resisting super hydrophobic material preparing technical field, and in particular to one kind is with quartz sand and PVC as raw material
The method for preparing wear-resisting super hydrophobic material.
Background technology
Quartz sand is a kind of clay mineral with low cost and the important raw material of industry, and it is hard, wear-resistant, chemical property
Stable, China's quartz sand rich reserves are cheap, therefore strengthen the research and development of the wear-resisting super hydrophobic material of quartz sand and prepare, can
To expand the range of application and the preparation cost for reducing wear-resisting super hydrophobic material of quartz sand.
The common preparation method of wear-resisting super hydrophobic material includes：
1) aluminium sheet sample is processed using laser index carving method, builds specific surface roughness structure, then with complete
Fluoro alkyl-silane ethanol solution is modified sample, is finally dried to obtain wear-resisting super hydrophobic surface.
The advantage of such method is that experimental technique is simply controllable, but shortcoming is the use of perfluorosilanes material, high cost,
And can affect healthy and environment.
2) first certain roughness is built in fabric face by the method for chemical etching, is then distributed to silicon fluoride
Fabric face, you can obtain wear-resisting super-hydrophobic fabric.
The advantage of this kind of method is that prepared fabric has preferable automatical cleaning ability, has the disadvantage the technical process more
It is numerous and diverse, need special instrument and equipment.
3) using lamination template, polyethylene film and mesh template stacking are pressed on polymer, treat cooling down
Mesh template is peeled off afterwards, obtains wear-resisting super-hydrophobic polymeric material.
The advantage of this method is that template used in experiment can be used with repetitive cycling, has the disadvantage that experiment condition is more severe
Carve, bad control.
The content of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, there is provided it is a kind of with quartz sand and
PVC is the method that raw material prepares wear-resisting super hydrophobic material.The method is simple, it is easy to accomplish, it is not necessary to harsh reaction condition and
Complicated consersion unit, raw material on the basis of the cheap clay mineral quartz sand powder of time related cost is walked by shirtsleeve operation
Suddenly, gentle reaction condition is just obtained wear-resisting super hydrophobic material, and the hydrophobic material has the advantages that not limited by substrate.
To solve above-mentioned technical problem, the technical solution used in the present invention is：It is a kind of to be prepared as raw material with quartz sand and PVC
The method of wear-resisting super hydrophobic material, it is characterised in that comprise the following steps：
Step one, by dry quartz sand powder ultrasonic disperse in the mixed solvent of water and dimethyldiethoxysilane,
Obtain mixed material；Then the mixed material heating water bath is incubated to after 50 DEG C～60 DEG C under agitation 1h～2h,
1h～2h will be dried under the conditions of 100 DEG C～120 DEG C after the mixed material suction filtration after insulation again, obtains quartz sand particle；It is described
The volume ratio of water and dimethyldiethoxysilane is (3.5～4) in mixed solvent:1；
Under step 2, room temperature, PVC is dissolved in tetrahydrofuran, obtains mixed solution；
Step 3, by quartz sand particle ultrasonic disperse described in step one described in step 2 in mixed solution, then
Under agitation the mixed solution heating water bath after ultrasonic disperse is incubated into 5h～6h to after 30 DEG C～50 DEG C, obtains suspended
Liquid；The quality of the quartz sand particle is 3～5 times of PVC mass；
Step 4, suspension described in step 3 is evenly applied in substrate, is coated with the substrate of suspension in room
It is dried under the conditions of temperature after 10min～30min and is placed in drying box, under the conditions of 100 DEG C～120 DEG C 1h～2h is dried, it is then right
Dried substrate surface is rubbed, and obtains wear-resisting super hydrophobic material in substrate, it is described it is super-hydrophobic refer to material surface with
The contact angle of water is more than 150 degree.
A kind of above-mentioned method that wear-resisting super hydrophobic material is prepared as raw material with quartz sand and PVC, it is characterised in that step
The volume of mixed solvent described in is 2～3 times of quartz sand powder quality, and the wherein unit of volume is mL, and the unit of quality is
g。
A kind of above-mentioned method that wear-resisting super hydrophobic material is prepared as raw material with quartz sand and PVC, it is characterised in that step
The volume of tetrahydrofuran described in two is 10～30 times of PVC mass, and wherein the unit of volume is mL, and the unit of quality is g.
The present invention has compared with prior art advantages below：
1st, raw material on the basis of the cheap clay mineral quartz sand powder of time related cost of the present invention, is walked by shirtsleeve operation
Suddenly, gentle reaction condition is just obtained wear-resisting super hydrophobic material, and the material has the advantages that not limited by substrate, such as glass
The substrates such as glass, plastics, hardboard can be used.
2nd, preparation method of the present invention is simple, it is easy to accomplish, it is not necessary to harsh reaction condition and complicated consersion unit.
3rd, experimental period of the invention is short, and the commercial Application for enabling quartz sand extends.
4th, significantly reduced up to more than 154 ° using the wear-resisting super hydrophobic material contact angle of method of the present invention preparation
The contact area of drop and substrate surface.
5th, reachable more than the 480cm of wear-resisting super hydrophobic material rub resistance distance prepared using the method for the present invention, is greatly carried
The wearability and mechanical stability of high super hydrophobic material.
Below by drawings and Examples, technical scheme is described in further detail.
Description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph on wear-resisting super hydrophobic material surface prepared by the embodiment of the present invention 1.
Fig. 2 is added drop-wise to the photomacrograph on the wear-resisting super hydrophobic material surface of the preparation of the embodiment of the present invention 1 for water droplet.
Fig. 3 is the scanning electron microscope (SEM) photograph on wear-resisting super hydrophobic material surface prepared by the embodiment of the present invention 2.
Fig. 4 is the scanning electron microscope (SEM) photograph on wear-resisting super hydrophobic material surface prepared by the embodiment of the present invention 3.
Specific embodiment
Embodiment 1
The preparation method of the present embodiment is comprised the following steps：
Step one, the quartz sand powder ultrasonic disperse for being dried 30g are in 48mL water and 12mL dimethyldiethoxysilanes
In mixed solvent, mixed material is obtained；Then under agitation the mixed material heating water bath is incubated into 2h to after 60 DEG C,
2h will be dried under the conditions of 120 DEG C after the mixed material suction filtration after insulation again, obtains quartz sand particle；
Under step 2, room temperature, 0.9g PVC (polyvinyl chloride) are dissolved in 18mL tetrahydrofurans, obtain mixed solution；
Step 3, by quartz sand particle ultrasonic disperse described in 3g steps one described in step 2 in mixed solution, so
Under agitation the mixed solution heating water bath after ultrasonic disperse is incubated into 6h to after 40 DEG C afterwards, obtains suspension；
Step 4, suspension described in step 3 is evenly applied in substrate (substrate of glass), is coated with suspension
Substrate be dried at ambient temperature after 20min and be placed in drying box, 2h is dried under the conditions of 120 DEG C, then to dried
Substrate surface is rubbed, and wear-resisting super hydrophobic material is obtained in substrate.
Fig. 1 is the scanning electron microscope (SEM) photograph on wear-resisting super hydrophobic material surface manufactured in the present embodiment, it can be seen that different
The quartz sand and silica particles uniformly dispersing of particle diameter defines micro-nano bi-unit composite structure, it is generally recognized that micro- among coating
The compound coarse structure of nanometer binary and low-surface-energy are two conditions necessary to super hydrophobic surface that obtain, PVC (polyvinyl chloride)
These micro-nano bi-unit composite structures are combined closely to form stable porous network structure, these features impart the painting jointly
The wear-resisting and super-hydrophobic performance of layer.
Fig. 2 is the macroscopic view photograph that the distilled water of methyl blue dyeing is added drop-wise to wear-resisting super hydrophobic material surface manufactured in the present embodiment
Piece, it can be seen that water droplet has a very big static contact angle when being added drop-wise to the material surface, and when there is inclining slightly on surface
Tiltedly, water droplet will be tumbled from surface, illustrate that the super hydrophobic material has excellent hydrophobic effect.
Embodiment 2
The preparation method of the present embodiment is comprised the following steps：
Step one, the quartz sand powder ultrasonic disperse for being dried 15g are in the mixed of 24mL water and 6mL dimethyldiethoxysilanes
In bonding solvent, mixed material is obtained；Then under agitation the mixed material heating water bath is incubated into 1.5h to after 55 DEG C,
2h will be dried under the conditions of 100 DEG C after the mixed material suction filtration after insulation again, obtains quartz sand particle；
Under step 2, room temperature, 0.3g PVC (polyvinyl chloride) are dissolved in 9mL tetrahydrofurans, obtain mixed solution；
Step 3, by quartz sand particle ultrasonic disperse described in 1.5g steps one described in step 2 in mixed solution,
Then under agitation the mixed solution heating water bath after ultrasonic disperse is incubated into 6h to after 40 DEG C, obtains suspension；
Step 4, suspension described in step 3 is evenly applied in substrate (plastic-substrates), is coated with suspension
Substrate be dried at ambient temperature after 10min and be placed in drying box, 2h is dried under the conditions of 100 DEG C, then to dried
Substrate surface is rubbed, and wear-resisting super hydrophobic material is obtained in substrate.
Fig. 3 is the scanning electron microscope (SEM) photograph on wear-resisting super hydrophobic material surface manufactured in the present embodiment, it can be seen that different
The quartz sand and silica particles uniformly dispersing of particle diameter defines micro-nano bi-unit composite structure, it is generally recognized that micro- among coating
The compound coarse structure of nanometer binary and low-surface-energy are two conditions necessary to super hydrophobic surface that obtain, PVC (polyvinyl chloride)
These micro-nano bi-unit composite structures are combined closely to form stable porous network structure, these features impart the painting jointly
The wear-resisting and super-hydrophobic performance of layer.
Embodiment 3
The preparation method of the present embodiment is comprised the following steps：
Step one, the quartz sand powder ultrasonic disperse for being dried 15g are in 35mL water and 10mL dimethyldiethoxysilanes
In mixed solvent, mixed material is obtained；Then under agitation the mixed material heating water bath is incubated into 1h to after 50 DEG C,
1h will be dried under the conditions of 110 DEG C after the mixed material suction filtration after insulation again, obtains quartz sand particle；
Under step 2, room temperature, 0.45g PVC (polyvinyl chloride) are dissolved in 9mL tetrahydrofurans, obtain mixed solution；
Step 3, by quartz sand particle ultrasonic disperse described in 1.5g steps one described in step 2 in mixed solution,
Then under agitation the mixed solution heating water bath after ultrasonic disperse is incubated into 5h to after 50 DEG C, obtains suspension；
Step 4, suspension described in step 3 is evenly applied in substrate (cardboard substrate), is coated with suspended
The substrate of liquid is dried at ambient temperature after 20min and is placed in drying box, and 1h is dried under the conditions of 110 DEG C, then to drying after
Substrate surface rubbed, wear-resisting super hydrophobic material is obtained in substrate.
Fig. 4 is the scanning electron microscope (SEM) photograph on super hydrophobic material surface manufactured in the present embodiment, it can be seen that different-grain diameter
Quartz sand and silica particles uniformly dispersing among coating, define micro-nano bi-unit composite structure, it is generally recognized that micro-nano
The compound coarse structure of binary and low-surface-energy are two conditions necessary to super hydrophobic surface that obtain, PVC (polyvinyl chloride) by this
Slightly nanometer bi-unit composite structure combines closely to form stable porous network structure, and it is resistance to that these features impart the coating jointly
Mill and super-hydrophobic performance.
Embodiment 4
The preparation method of the present embodiment is comprised the following steps：
Step one, the quartz sand powder ultrasonic disperse for being dried 10g are in 19.8mL water and 5.2mL dimethyldiethoxysilanes
Mixed solvent in, obtain mixed material；Then the mixed material heating water bath is incubated to after 60 DEG C under agitation
2h, then 1.5h will be dried under the conditions of 110 DEG C after the mixed material suction filtration after insulation, obtain quartz sand particle；
Under step 2, room temperature, 0.5g PVC (polyvinyl chloride) are dissolved in 5mL tetrahydrofurans, obtain mixed solution；
Step 3, by quartz sand particle ultrasonic disperse described in 1.5g steps one described in step 2 in mixed solution,
Then under agitation the mixed solution heating water bath after ultrasonic disperse is incubated into 5.5h to after 30 DEG C, obtains suspension；
Step 4, suspension described in step 3 is evenly applied in substrate, is coated with the substrate of suspension in room
It is dried under the conditions of temperature after 30min and is placed in drying box, 1.5h is dried under the conditions of 110 DEG C, then to dried substrate surface
Rubbed, wear-resisting super hydrophobic material is obtained in substrate.
Embodiment 5
The preparation method of the present embodiment is comprised the following steps：
Step one, the quartz sand powder ultrasonic disperse for being dried 10g are in the mixed of 16mL water and 4mL dimethyldiethoxysilanes
In bonding solvent, mixed material is obtained；Then under agitation the mixed material heating water bath is incubated into 2h to after 60 DEG C, then
2h will be dried under the conditions of 120 DEG C after mixed material suction filtration after insulation, obtains quartz sand particle；
Under step 2, room temperature, 0.3g PVC (polyvinyl chloride) are dissolved in 6mL tetrahydrofurans, obtain mixed solution；
Step 3, by quartz sand particle ultrasonic disperse described in 1.0g steps one described in step 2 in mixed solution,
Then under agitation the mixed solution heating water bath after ultrasonic disperse is incubated into 6h to after 40 DEG C, obtains suspension；
Step 4, suspension described in step 3 is evenly applied in substrate, is coated with the substrate of suspension in room
It is dried under the conditions of temperature after 20min and is placed in drying box, 2h is dried under the conditions of 120 DEG C, then dried substrate surface is entered
Row friction, obtains wear-resisting super hydrophobic material in substrate.
Dropping liquid drop (distilled water) is dripped on wear-resisting super hydrophobic material surface prepared by embodiment 1 to embodiment 5, is adopted and is connect
Feeler measuring instrument measures the contact angle size on wear-resisting super hydrophobic material surface and drop, as a result see the table below.
The contact angle on the wear-resisting super hydrophobic material surface that the drop of table 1 is prepared to embodiment 1 to embodiment 5
| Embodiment | 1 | 2 | 3 | 4 | 5 |
| Contact angle (°) | 156 | 154 | 155 | 154 | 154 |
From table 1 it follows that the contact angle on the wear-resisting super hydrophobic material surface prepared using the method for the present invention is reachable
More than 154 °, significantly reduce the contact area of drop and substrate surface.
Rub on 600 mesh sand paper to loading 500g counterweights on wear-resisting super hydrophobic material prepared by embodiment 1 to embodiment 5
Wipe, frictional distance result see the table below.
The frictional distance on the wear-resisting super hydrophobic material surface that the drop of table 2 is prepared to embodiment 1 to embodiment 5
| Embodiment | 1 | 2 | 3 | 4 | 5 |
| Frictional distance (cm) | 500 | 495 | 485 | 490 | 480 |
From Table 2, it can be seen that the frictional distance on the wear-resisting super hydrophobic material surface prepared using the method for the present invention can
Up to more than 480cm, the wearability and mechanical stability on surface are significantly enhanced.
The above, is only presently preferred embodiments of the present invention, and any restriction is not done to the present invention, every according to invention skill
Any simple modification, change and equivalent structure change that art is substantially made to above example, still fall within the technology of the present invention
In the protection domain of scheme.
Claims (3)
1. a kind of method that wear-resisting super hydrophobic material is prepared as raw material with quartz sand and PVC, it is characterised in that including following step
Suddenly：
Step one, by dry quartz sand powder ultrasonic disperse in the mixed solvent of water and dimethyldiethoxysilane, obtain
Mixed material；Then the mixed material heating water bath is incubated to after 50 DEG C～60 DEG C under agitation 1h～2h, then will
1h～2h is dried under the conditions of 100 DEG C～120 DEG C after mixed material suction filtration after insulation, quartz sand particle is obtained；The mixing
The volume ratio of water and dimethyldiethoxysilane is (3.5～4) in solvent:1；
Under step 2, room temperature, PVC is dissolved in tetrahydrofuran, obtains mixed solution；The PVC is polyvinyl chloride；
Step 3, quartz sand particle ultrasonic disperse described in step one in mixed solution, is then being stirred described in step 2
The mixed solution heating water bath after ultrasonic disperse is incubated into 5h～6h to after 30 DEG C～50 DEG C under the conditions of mixing, suspension is obtained；Institute
The quality for stating quartz sand particle is 3～5 times of PVC mass；
Step 4, suspension described in step 3 is evenly applied in substrate, is coated with the substrate of suspension in room temperature bar
It is dried under part after 10min～30min and is placed in drying box, 1h～2h is dried under the conditions of 100 DEG C～120 DEG C, then to drying
Substrate surface afterwards is rubbed, and obtains wear-resisting super hydrophobic material in substrate, described super-hydrophobic to refer to material surface with water
Contact angle is more than 150 degree.
2. a kind of method for preparing wear-resisting super hydrophobic material as raw material with quartz sand and PVC according to claim 1, it is special
Levy and be, the volume of mixed solvent described in step one is 2～3 times of quartz sand powder quality, the wherein unit of volume is mL, matter
The unit of amount is g.
3. a kind of method for preparing wear-resisting super hydrophobic material as raw material with quartz sand and PVC according to claim 1, it is special
Levy and be, the volume of tetrahydrofuran described in step 2 is 10～30 times of PVC mass, the wherein unit of volume is mL, quality
Unit be g.
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| CN110240855B (en) * | 2019-05-30 | 2021-08-03 | 江苏大学 | Porous super-slip anti-icing coating and preparation method thereof |
| CN112624124B (en) * | 2020-12-16 | 2022-05-13 | 新沂市中大石英科技有限公司 | Preparation process of high-purity high-hydrophobicity quartz sand |
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| CN103467039A (en) * | 2013-08-30 | 2013-12-25 | 句容联众科技开发有限公司 | Cement-base waterproof coating and preparation method thereof |
| CN104403377B (en) * | 2014-11-22 | 2016-05-04 | 安徽省六安恒源机械有限公司 | A kind of modified alta-mud that improves mechanical property and preparation method thereof |
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