CN101474895A - Ultra-hydrophobic film of thermoplastic substrate - Google Patents
Ultra-hydrophobic film of thermoplastic substrate Download PDFInfo
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- CN101474895A CN101474895A CNA2009101031148A CN200910103114A CN101474895A CN 101474895 A CN101474895 A CN 101474895A CN A2009101031148 A CNA2009101031148 A CN A2009101031148A CN 200910103114 A CN200910103114 A CN 200910103114A CN 101474895 A CN101474895 A CN 101474895A
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Abstract
The invention discloses a super-hydrophobic film for a thermoplastic matrix, which comprises a thermoplastic film matrix and a super-hydrophobic layer. The super-hydrophobic layer consists of micro-scale powder particles and nano-scale powder particles arranged at intervals and embedded into the film matrix, and the micro-scale powder particles and the nano-scale powder particles form micro-scale protrusions and nano-scale protrusions on the surface of the thermoplastic film matrix and have low surface energy or are modified by low surface energy substances. The super-hydrophobic film has the advantages of simple structure, easy preparation and lower cost; a water contact angle of the super-hydrophobic layer is between150 and 165 degrees, and a roll angle is less than 5 degrees; the super-hydrophobic film also has the advantages of stable performance, low cost and excellent mechanical property, and can be applied to the occasions needing water proofing, pollution prevention, mist resistance, snow cover resistance, ice coating resistance, oxidation prevention and the like; when the thermoplastic film matrix is adopted, the super-hydrophobic film can be flexible to use, can be manufactured into an adhesive tape structure to be adhered on the surface of other matrixes, and is convenient and simple to use; and by adopting a hot pressing method for preparation, the thermoplastic film matrix and the super-hydrophobic layer are firmly combined, and the preparation method is simple and easy to operate and has low manufacturing cost.
Description
Technical field
The present invention relates to a kind of super-drainage structure, particularly a kind of super-hydrophobic film of thermoplastic matrix.
Background technology
The wellability on surface is the critical nature that the decision material is used, and many physical and chemical processes are all closely related with surperficial wellability as absorption, lubricated, bonding, dispersion and friction etc.Because super hydrophobic surface is in the potential application of aspects such as self-cleaning surface, microfluid system and biocompatibility, the research of relevant super hydrophobic surface has caused great concern.So-called super hydrophobic surface generally be meant with the contact angle of water greater than 150 with less than 10 ° water droplet roll angle, have waterproof, anti-icing, antifog, snow defence, antifouling, dustproof and prevent the functions such as corona noise that transmission line of electricity produces because of water droplet is resident.Fields such as therefore antifouling at building surface, radome, chemical microreactor, transmission line of electricity are antifouling are with a wide range of applications.
In the prior art, a kind of plasma technology CF that utilizes is arranged
4Gas is fluoridized polybutadiene film surface, and generation and water contact angle are 157 ° super-hydrophobic film; Utilize photoetching process on silicon wafer, to etch the surface that a series of different depths, different cylindrical cross-section are formed, and surface treatment has been carried out with hydrocarbon, siloxanes, fluorocarbons in this surface, in surface formation one deck hydrophobic membrane etc.; Also have by mixing acetylacetone,2,4-pentanedione aluminium compound (AACA) and acetylacetone,2,4-pentanedione titanium compound (TACA) with supercritical ultrasonics technology, under the speed of 1500rmp this mixture is being spread upon on the heat resistant glass sheet then, at 500 ℃ of heating 20s, obtain a transparent biomimetic super hydrophobic nano-TiO like this with self-purification function
2Surface or the like.
Prior art adopts the instrument and equipment of complex and expensive to want strict control preparation technology simultaneously for the most of needs of the method for preparing super hydrophobic surface, and the super-drainage structure cost is higher relatively, can't realize that the scale of super hydrophobic surface is used.Preparation cost is also higher relatively simultaneously, and the super hydrophobic surface mechanical strength of preparing is not high yet, can't satisfy actual needs.
Therefore, need a kind of simple in structure, make easily, intensity is higher, cost is low and can the scale manufacturing and the super-drainage structure of application.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of super-hydrophobic film of thermoplastic matrix, super-hydrophobic film is simple in structure, making is easy, intensity is higher, cost is low and can the scale manufacturing and the super-drainage structure of application; The preparation method is simple to operation, and cost of manufacture is low.
The super-hydrophobic film of thermoplastic matrix of the present invention, comprise thermoplastic film matrix and super-hydrophobic layer, described super-hydrophobic layer by alternately and the micron order powder and the nanoscale powder that embed the film matrix form, micron order powder and nanoscale powder form micron order projection and nanoscale projection at the thermoplastic film matrix surface; Described micron order powder and nanoscale powder have low-surface-energy or/and modify through the low-surface-energy material.
Further, described micron order powder and nanoscale powder mixed powder particle diameter are 60nm-100 μ m;
Further, described micron order powder and nanoscale powder mixed powder particle diameter are 400nm-30 μ m;
Further, described micron order projection is protruded surperficial 500nm-15 μ m, and the nanoscale projection is protruded surperficial 200nm-500nm, the spacing 500nm-20 μ m between the adjacent micron order projection;
Further, described micron order projection is protruded surface 1-30 μ m, and the nanoscale projection is protruded surface 20-1000nm, spacing 5-100 μ m between the adjacent micron order projection;
Further, having the micron order powder of low-surface-energy and nanoscale powder is a kind of in ptfe micropowder and the perfluoroethylene-propylene (copolymer) micro mist or more than one mixture;
Further, described micron order powder of modifying through the low-surface-energy material and nanoscale powder are a kind of in silica, titanium dioxide, calcium carbonate and the zinc oxide or more than one mixture, and the low-surface-energy material that is used for modifying is that alkyl fluoride silane coupler a kind of of carbon atom number 8～19 or more than one mixture or fluorine atom number are a kind of in 6～18 the fluorinated acrylate or more than one mixture;
Further, the material of described thermoplastic film matrix is a polymer, and described polymer is a kind of in polyethylene, polypropylene, polyvinyl chloride and the polytetrafluoroethylene (PTFE) or more than one mixture;
Further, the material of described film matrix is a kind of in polyimides, polyester resin and the poly-fragrant maple or more than one mixture.
The invention has the beneficial effects as follows: the super-hydrophobic film of thermoplastic matrix of the present invention, super-hydrophobic layer is by alternately and embed the film matrix and form micron order projection and the micron order powder and the nanoscale powder of nanoscale projection are formed, with respect to other super-drainage structure, the intensity height, simple in structure, make easily, cost is lower, the water contact angle of this super-hydrophobic layer is 150 °～165 °, roll angle is less than 5 °, stable performance of the present invention, with low cost, mechanical performance is excellent, need can be used to waterproof, antifouling, antifog, anti-snowberg, anti-icing, occasion such as anti-oxidant; Adopt the thermoplastic film matrix, can make the use of super-hydrophobic film flexible, can make adhesive tape structure and stick on other matrix surface, simple and easy to use, be easy to promote, be can the scale manufacturing and the super-drainage structure of application.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Accompanying drawing is a structural representation of the present invention.
The specific embodiment
Accompanying drawing is a structural representation of the present invention, as shown in the figure:
Embodiment one
The super-hydrophobic film of the thermoplastic matrix of present embodiment comprises thermoplastic film matrix 1 and super-hydrophobic layer, and the material of thermoplastic film matrix 1 is a polymer, obtains easily, cost is low, and in the present embodiment, polymer is a polyethylene, the physical property softness, adaptability is strong, applicable to all kinds of surfaces; Super-hydrophobic layer by alternately and the micron order powder 2 and the nanoscale powder 3 that embed the film matrix form, micron order powder 2 and nanoscale powder 3 form micron order projection and nanoscale projection on thermoplastic film matrix 1 surface; Micron order powder 2 and nanoscale powder 3 have low-surface-energy; In the present embodiment, micron order powder 2 and nanoscale powder 3 with low-surface-energy are ptfe micropowder;
Micron order powder 2 and nanoscale powder 3 mixed powder particle diameters are 60nm-100 μ m; The micron order projection is protruded surperficial 500nm-30 μ m, and the nanoscale projection is protruded surperficial 20nm-500nm, the spacing 500nm-100 μ m between the adjacent micron order projection.
Utilize the micron order powder 2 of present embodiment and the super-hydrophobic film stable performance that nanoscale powder 3 is prepared, the water droplet contact angle is between 160 °～162 °, and the water droplet roll angle is between 2 °～4 °.
Embodiment two
The super-hydrophobic film of the thermoplastic matrix of present embodiment, comprise thermoplastic film matrix 1 and super-hydrophobic layer, the material of thermoplastic film matrix 1 is a polymer, obtains easily, cost is low, in the present embodiment, polymer is a polyvinyl chloride, the physical property softness, adaptability is strong, applicable to all kinds of surfaces, also can make adhesive tape structure, easy to use; Super-hydrophobic layer by alternately and the micron order powder 2 and the nanoscale powder 3 that embed the film matrix form, micron order powder 2 and nanoscale powder 3 form micron order projection and nanoscale projection on thermoplastic film matrix 1 surface; Micron order powder 2 and nanoscale powder 3 are process low-surface-energy material modifieds, in the present embodiment, micron order powder 2 and the nanoscale powder 3 modified through the low-surface-energy material are silica, certainly, also can be titanium dioxide, a kind of in calcium carbonate and the zinc oxide or more than one mixture, because its physical property requirement according to the invention, can both reach goal of the invention, the low-surface-energy material that is used to modify is 17 fluorine decyl trimethoxy silanes, certainly, also can be a kind of in the alkyl fluoride silane coupler of other carbon atom number 8～19 or more than one mixture, perhaps the fluorine atom number is a kind of in 6～18 the fluorinated acrylate or more than one mixture, can both reach goal of the invention;
Micron order powder 2 and nanoscale powder 3 mixed powder particle diameters are 60nm-100 μ m; The micron order projection is protruded surperficial 500nm-30 μ m, and the nanoscale projection is protruded surperficial 20nm-500nm, the spacing 500nm-100 μ m between the adjacent micron order projection.
Utilize the micron order powder 2 of present embodiment and the super-hydrophobic film stable performance that nanoscale powder 3 is prepared, the water droplet contact angle is between 154 °～162 °, and the water droplet roll angle is between 2 °～5 °.
Embodiment three
The super-hydrophobic film of the thermoplastic matrix of present embodiment comprises thermoplastic film matrix 1 and super-hydrophobic layer, and the material of thermoplastic film matrix 1 is a polymer, obtains easily, cost is low, and in the present embodiment, polymer is a polypropylene, the physical property softness, adaptability is strong, applicable to all kinds of surfaces; Super-hydrophobic layer by alternately and the micron order powder 2 and the nanoscale powder 3 that embed the film matrix form, micron order powder 2 and nanoscale powder 3 form micron order projection and nanoscale projection on thermoplastic film matrix 1 surface; Micron order powder 2 and nanoscale powder 3 have low-surface-energy; In the present embodiment, micron order powder 2 and nanoscale powder 3 with low-surface-energy are the perfluoroethylene-propylene (copolymer) micro mist;
Micron order powder 2 and nanoscale powder 3 mixed powder particle diameters are 400nm-30 μ m; The micron order projection is protruded surperficial 500nm-15 μ m, and the nanoscale projection is protruded surperficial 200nm-500nm, the spacing 500nm-20 μ m between the adjacent micron order projection.
Utilize the micron order powder 2 of present embodiment and the super-hydrophobic film stable performance that nanoscale powder 3 is prepared, the water droplet contact angle is between 162 °～167 °, and the water droplet roll angle is between 1 °～3 °.
Embodiment four
The super-hydrophobic film of the thermoplastic matrix of present embodiment comprises thermoplastic film matrix 1 and super-hydrophobic layer, and the material of thermoplastic film matrix 1 is a polymer, obtains easily, and cost is low, and in the present embodiment, polymer is a polytetrafluoroethylene (PTFE); Super-hydrophobic layer by alternately and the micron order powder 2 and the nanoscale powder 3 that embed the film matrix form, micron order powder 2 and nanoscale powder 3 form micron order projection and nanoscale projection on thermoplastic film matrix 1 surface; Micron order powder 2 and nanoscale powder 3 are process low-surface-energy material modifieds, in the present embodiment, micron order powder 2 and the nanoscale powder 3 modified through the low-surface-energy material are calcium carbonate, and the low-surface-energy material that is used to modify is methacrylic acid ten difluoro heptyl esters;
Micron order powder 2 and nanoscale powder 3 mixed powder particle diameters are 400nm-30 μ m; The micron order projection is protruded surperficial 500nm-15 μ m, and the nanoscale projection is protruded surperficial 200nm-500nm, the spacing 500nm-20 μ m between the adjacent micron order projection.
Utilize the micron order powder 2 of present embodiment and the super-hydrophobic film stable performance that nanoscale powder 3 is prepared, the water droplet contact angle is between 160 °～165 °, and the water droplet roll angle is between 1 °～4 °.
Certainly, polymer is not limited to the described material of above embodiment, it also can be the thermoplastic film that more than one mixture is made in polyethylene, polypropylene, polyvinyl chloride and the polytetrafluoroethylene (PTFE), because its physical property meets the present invention to thermoplastic requirement, thereby can both reach goal of the invention;
Among the above embodiment, the material that the material of described thermoplastic film matrix 1 can adopt a kind of in polyimides, polyester resin and the poly-fragrant maple or more than one mixture to replace among the embodiment to be put down in writing, these material physical properties softnesses, intensity is higher, adaptability is strong, applicable to all kinds of surfaces, is suitable for being provided with bonding glue-line, just super-hydrophobic film is made adhesive tape structure, directly paste during application, easy to use, cost of manufacture is low;
Embodiment one and embodiment three described micron order powder 2 and nanoscale powders 3 with low-surface-energy are not limited to ptfe micropowder, also can be perfluoroethylene-propylene (copolymer) micro mist and the mixture of the two, all have character required for the present invention, can both reach goal of the invention.
When the present invention prepares, micron order powder 2 and nanoscale powder 3 are pressed into thermoplastic thermoplastic matrix surface, form firm chimeric super hydrophobic surface layer by flat board.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. the super-hydrophobic film of a thermoplastic matrix, it is characterized in that: comprise thermoplastic film matrix (1) and super-hydrophobic layer, described super-hydrophobic layer by alternately and the micron order powder (2) and the nanoscale powder (3) that embed the film matrix form, micron order powder (2) and nanoscale powder (3) form micron order projection and nanoscale projection on thermoplastic film matrix (1) surface; Described micron order powder (2) and nanoscale powder (3) have low-surface-energy or/and modify through the low-surface-energy material.
2. the super-hydrophobic film of thermoplastic matrix according to claim 1, it is characterized in that: described micron order powder (2) and nanoscale powder (3) mixed powder particle diameter are 60nm-100 μ m.
3. the super-hydrophobic film of thermoplastic matrix according to claim 2, it is characterized in that: described micron order powder (2) and nanoscale powder (3) mixed powder particle diameter are 400nm---30 μ m.
4. the super-hydrophobic film of thermoplastic matrix according to claim 3 is characterized in that: described micron order projection protrusion surperficial 500nm-30 μ m, the surperficial 20nm-500nm of nanoscale projection protrusion, the spacing 500nm-100 μ m between the adjacent micron order projection.
5. the super-hydrophobic film of thermoplastic matrix according to claim 4 is characterized in that: described micron order projection protrusion surperficial 500nm-15 μ m, the surperficial 200nm-500nm of nanoscale projection protrusion, the spacing 500nm-20 μ m between the adjacent micron order projection.
6. the super-hydrophobic film of thermoplastic matrix according to claim 5 is characterized in that: have the micron order powder (2) of low-surface-energy and nanoscale powder (3) and be a kind of in ptfe micropowder and the perfluoroethylene-propylene (copolymer) micro mist or more than one mixture.
7. the super-hydrophobic film of thermoplastic matrix according to claim 5, it is characterized in that: described is a kind of in silica, titanium dioxide, calcium carbonate and the zinc oxide or more than one mixture through micron order powder (2) that the low-surface-energy material is modified and nanoscale powder (3), and the low-surface-energy material that is used for modifying is that alkyl fluoride silane coupler a kind of of carbon atom number 8～19 or more than one mixture or fluorine atom number are a kind of in 6～18 the fluorinated acrylate or more than one mixture.
8. according to the super-hydrophobic film of claim 6 or 7 described thermoplastic matrixes, it is characterized in that: the material of described thermoplastic film matrix (1) is a polymer, and described polymer is a kind of in polyethylene, polypropylene, polyvinyl chloride and the polytetrafluoroethylene (PTFE) or more than one mixture.
9. according to the super-hydrophobic film of claim 6 or 7 described thermoplastic matrixes, it is characterized in that: the material of described film matrix (1) is a kind of in polyimides, polyester resin and the poly-fragrant maple or more than one mixture.
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| CN109485976A (en) * | 2018-11-21 | 2019-03-19 | 湖北彩砼新材料有限公司 | A kind of super-hydrophobic sheet material of low density polyethylene (LDPE) and preparation method thereof |
| CN110016193B (en) * | 2019-04-30 | 2021-02-19 | 山东飞鹰新型防水材料有限公司 | Self-cleaning PVC waterproof roll capable of being cooled and preparation method thereof |
| CN110016193A (en) * | 2019-04-30 | 2019-07-16 | 山东飞鹰新型防水材料有限公司 | One kind can cool down, automatically cleaning PVC waterproof roll and preparation method thereof |
| CN110670062A (en) * | 2019-11-07 | 2020-01-10 | 哈尔滨工业大学 | Method for preparing super-hydrophobic surface by powder hot pressing |
| CN110670062B (en) * | 2019-11-07 | 2021-04-02 | 哈尔滨工业大学 | Method for preparing super-hydrophobic surface by powder hot pressing |
| CN111454629A (en) * | 2020-04-29 | 2020-07-28 | 湖北中科博策新材料科技有限公司 | Super-hydrophobic water paint and production process thereof |
| CN111793984A (en) * | 2020-06-18 | 2020-10-20 | 浙江工业大学 | Preparation method of polypropylene non-woven fabric super-hydrophobic film |
| CN114316452A (en) * | 2022-01-04 | 2022-04-12 | 苏州浩纳新材料科技有限公司 | Super-hydrophobic foamed polypropylene and preparation method thereof |
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