CN107082898A - A kind of self-cleaning film, preparation method and application - Google Patents

A kind of self-cleaning film, preparation method and application Download PDF

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Publication number
CN107082898A
CN107082898A CN201710407279.9A CN201710407279A CN107082898A CN 107082898 A CN107082898 A CN 107082898A CN 201710407279 A CN201710407279 A CN 201710407279A CN 107082898 A CN107082898 A CN 107082898A
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Prior art keywords
self
cleaning film
preparation
super
white carbon
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CN201710407279.9A
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Chinese (zh)
Inventor
张桂龙
吴正岩
蔡冬清
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Hefei Institutes of Physical Science of CAS
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Hefei Institutes of Physical Science of CAS
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Priority to CN201710407279.9A priority Critical patent/CN107082898A/en
Publication of CN107082898A publication Critical patent/CN107082898A/en
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    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/754—Self-cleaning
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2383/04—Polysiloxanes
    • 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
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of self-cleaning film, preparation method and application, at room temperature, white carbon nanometer powder is evenly spread in the aqueous solution, add HMDS, mechanical agitation uniformly adds polyether modified silicon oil and amido silicon oil afterwards, continues to stir, is then centrifuged for, solid particle is dried with pure water, super-hydrophobic white carbon is obtained；At room temperature, the super-hydrophobic white carbon prepared is dispersed in toluene, under mechanical stirring, adds silicones, continue to stir to being formed after homogeneous phase solution, stirring in water bath obtains liquid of vicidity；Silicon chip surface is uniformly smeared or be sprayed to the liquid of vicidity prepared, is baked to, film is then removed into acquisition self-cleaning film.The present invention has excellent super-hydrophobicity and automatical cleaning ability, significantly improves anti-rain, anti-dust ability；Preparation technology is simple, with low cost, easy large-scale production；The self-cleaning film light transmittance is high, and heat endurance is good, with longer service life.

Description

A kind of self-cleaning film, preparation method and application
Technical field
The present invention relates to a kind of special film of glass, more particularly to a kind of self-cleaning film, preparation method and should With.
Background technology
The pollutants such as dust, rainwater and microorganism are easily attached to glass surface by modes such as electrostatic attraction, contaminations, and its is clear It is clean not only to expend a large amount of human and material resources, financial resources, and huge high-altitude working safety hidden danger is brought, led as building materials and environment Domain significant technology issues urgently to be resolved hurrily, therefore in the urgent need to research and development glass automatically cleaning technology.
At present, glass automatically cleaning technology mainly includes Coating Method and membrane process.Coating Method is hydrophobic in glass surface spraying Property coating prevents pollution of the pollutants such as dust to glass by completely cutting off rainwater, although this method can reduce glass to a certain extent Glass pollutes, but have that light transmittance is low, stability is poor, complex operation the shortcomings of, it is difficult to large-scale application.Membrane process is in glass table Paste the transparent membrane with hydrophobic and insulation function and suppress the pollutions of the pollutant to glass such as dust in face.Membrane process and Coating Method Received significant attention compared to the advantage such as easy to operate, stability is strong.
At present, the preparation of self-cleaning film is mainly two-step method：Pass through self assembly, phase separation, chemical deposition, hydro-thermal first Fine and close film is prepared etc. method, then it modify using physical etchings, low surface energy compounds etc. and obtains hydrophobic thin Film.There is complex operation, cost height, the low shortcoming of product stability in these preparation methods, it is difficult to large-scale production and application.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of self-cleaning film, preparation method and should With film is covered on glass and realizes automatically cleaning.
The present invention is achieved by the following technical solutions：A kind of preparation method of self-cleaning film of the present invention, including Following steps：
(1) surface super hydrophobic
At room temperature, white carbon nanometer powder is evenly spread in the aqueous solution, adds HMDS, machinery is stirred Uniform rear addition polyether modified silicon oil and amido silicon oil are mixed, continues to stir 2~3 hours, is then centrifuged for, by solid particle pure water Washing and drying, obtains super-hydrophobic white carbon；
(2) it is lo-tionized
At room temperature, super-hydrophobic white carbon step (1) prepared is dispersed in toluene, in mechanical agitation Under, silicones is added, continues to stir to being formed after homogeneous phase solution, 40~60 DEG C of stirring in water bath 1~3 hour obtain toughness liquid Body；
(3) filming
Silicon chip surface is uniformly smeared or be sprayed to the liquid of vicidity that step (2) is prepared, and is baked to, and then will Film removes acquisition self-cleaning film.
One of preferred embodiment as the present invention, in the step (1), 50 are put into by 4~8g white carbon nanometer powders In~80mL the aqueous solution, the addition of HMDS is 0.5~2mL, and the addition of polyether modified silicon oil is 1~2mL, The addition of amido silicon oil is 2~5mL.
One of preferred embodiment as the present invention, in the step (1), is added after HMDS, mixing speed For 300~500 revs/min, mixing time is 1~1.5 hour.
As one of preferred embodiment of the present invention, in the step (1), solid particle pure water 3~5 times, 30~ 50 DEG C of drying.
One of preferred embodiment as the present invention, in the step (2), the super-hydrophobic white carbons of 0.5~2.0g are uniformly divided 30~50mL toluene is dispersed in, the addition of silicones is 2~6g.
One of preferred embodiment as the present invention, in the step (2), is formed after homogeneous phase solution, 40~60 DEG C of water-baths are stirred Mix 1~3 hour, obtain liquid of vicidity.
As one of preferred embodiment of the present invention, in the step (3), by 1~3mL liquid of vicidity, even smearing or It is sprayed at 25~100cm2Silicon chip surface, 35~50 DEG C of drying.
A kind of self-cleaning film, the self-cleaning film is prepared from using preparation method as mentioned.
A kind of application of self-cleaning film as mentioned on glass outer surface.
The present invention principle be：Nano carbon white has super-hydrophobicity after amino-modified silicone, by itself and heat endurance It is compound with the good silicones of insulating properties, the film with super-hydrophobicity and high-insulativity is prepared, the film is covered in glass On surface, it can significantly alleviate pollution of the pollutants such as dust, rainwater, microorganism by the effect such as Electrostatic Absorption, contamination to glass, Make glass that there is self-cleaning function.
The present invention has advantages below compared with prior art：The present invention has excellent super-hydrophobicity and automatical cleaning ability, Significantly improve anti-rain, anti-dust ability；Preparation technology is simple, with low cost, easy large-scale production；The self-cleaning film is saturating Light rate is high, and heat endurance is good, with longer service life.Work high above the ground can be reduced with effectively save cleaning glass recruitment Security risk, for promoting glass and the upgrading of coating industrial transformation significant.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations Example.
Embodiment 1
The self-cleaning film preparation method of the present embodiment is as follows：
(1) surface super hydrophobic：At room temperature, 4g white carbon nanometer powders are evenly spread in the 50mL aqueous solution, added 0.5mL HMDSs, 300 revs/min of mechanical agitations add 1mL polyether modified silicon oils and 2mL amino silicones after 1 hour Oil, 300 revs/min are continued to stir 2 hours, then 3000 revs/min of centrifugations, by solid particle pure water 3 times, 30 DEG C drying, it is standby.
(2) it is lo-tionized：At room temperature, the super-hydrophobic white carbons of 0.5g prepared in step (1) are dispersed in 30mL first In benzene, under 300 revs/min of mechanical agitations, 2g silicones is added, continues to stir to being formed after homogeneous phase solution, 40 DEG C of water-baths are stirred Mix 1 hour, obtain liquid of vicidity, it is standby.
(3) filming：The liquid of vicidity prepared in step (2) is taken out into 1mL, 25cm is uniformly smeared or be sprayed at2Silicon Piece surface, puts it into 35 DEG C of baking oven and dries, and film then is removed into the acquisition special self-cleaning film of glass.
Self-cleaning film manufactured in the present embodiment is pasted onto glass surface, water droplet is measured in glass using contact angle measurement The contact angle on glass surface is water droplet adhesion amount reduction by 52% under 95 °, glass vertical state, dust adhesion amount reduction by 35%.
Embodiment 2
The self-cleaning film preparation method of the present embodiment is as follows：
(1) surface super hydrophobic：At room temperature, 5g white carbon nanometer powders are evenly spread to after the 60mL aqueous solution, added 1.5mL HMDSs, 400 revs/min of mechanical agitations add 1.5mL polyether modified silicon oils and 4mL amino after 1 hour Silicone oil, continue 400 revs/min stir 2 hours, then 4000 revs/min centrifugation, by solid particle pure water 4 times, 40 DEG C of drying, it is standby.
(2) it is lo-tionized：At room temperature, the super-hydrophobic white carbons of 1.0g prepared in step (1) are dispersed in 40mL first In benzole soln, under 400 revs/min of mechanical agitations, 4g silicon resin particles are added, continue to stir to formation homogeneous phase solution, 50 DEG C stirring in water bath 2 hours, obtains liquid of vicidity, standby.
(3) filming：The liquid of vicidity prepared in step (2) is taken out into 2mL, 60cm is uniformly smeared or be sprayed at2Silicon Piece surface, is then put into 45 DEG C of drying of baking oven by glass, film then is removed into the acquisition special self-cleaning film of glass.
Self-cleaning film manufactured in the present embodiment is pasted onto glass surface, water droplet is measured in glass using contact angle measurement The contact angle on glass surface is water droplet adhesion amount reduction by 71% under 106 °, glass vertical state, dust adhesion amount reduction by 51%.
Embodiment 3
The self-cleaning film preparation method of the present embodiment is as follows：
(1) surface super hydrophobic：At room temperature, 8g white carbon nanometer powders are evenly spread to after the 80mL aqueous solution, added 2mL HMDSs, 500 revs/min of mechanical agitations add 2mL polyether modified silicon oils and 5mL amido silicon oils after 1 hour, Continue 500 revs/min to stir 2 hours, then 6000 revs/min of centrifugations, by solid particle pure water 5 times, 50 DEG C Drying, it is standby.
(2) it is lo-tionized：At room temperature, the super-hydrophobic white carbons of 2.0g prepared in step (1) are dispersed in 50mL first In benzole soln, under 500 revs/min of mechanical agitations, 6g silicon resin particles are added, continue to stir to formation homogeneous phase solution, 60 DEG C stirring in water bath 3 hours, obtains liquid of vicidity, standby.
(3) filming：The liquid of vicidity prepared in step (2) is taken out into 3mL, 100cm is uniformly smeared or be sprayed at2Silicon Piece surface, puts it into 50 DEG C of drying of baking oven, film then is removed into the acquisition special self-cleaning film of glass.
Self-cleaning film manufactured in the present embodiment is pasted onto glass surface, water droplet is measured in glass using contact angle measurement The contact angle on glass surface is water droplet adhesion amount reduction by 31% under 88 °, glass vertical state, dust adhesion amount reduction by 28%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (9)

1. a kind of preparation method of self-cleaning film, it is characterised in that comprise the following steps：
(1) surface super hydrophobic
At room temperature, white carbon nanometer powder is evenly spread in the aqueous solution, adds HMDS, mechanical agitation is equal Polyether modified silicon oil and amido silicon oil are added after even, continues to stir 2~3 hours, is then centrifuged for, by solid particle pure water Drying, obtains super-hydrophobic white carbon；
(2) it is lo-tionized
At room temperature, super-hydrophobic white carbon step (1) prepared is dispersed in toluene, under mechanical stirring, plus Enter silicones, continue to stir to being formed after homogeneous phase solution, 40~60 DEG C of stirring in water bath 1~3 hour obtain liquid of vicidity；
(3) filming
Silicon chip surface is uniformly smeared or be sprayed to the liquid of vicidity that step (2) is prepared, and is baked to, then by film Remove acquisition self-cleaning film.
2. the preparation method of a kind of self-cleaning film according to claim 1, it is characterised in that in the step (1), will 4~8g white carbon nanometer powders are put into 50~80mL aqueous solution, and the addition of HMDS is 0.5~2mL, is gathered The addition of ether modified silicon oil is 1~2mL, and the addition of amido silicon oil is 2~5mL.
3. the preparation method of a kind of self-cleaning film according to claim 1, it is characterised in that in the step (1), plus Enter after HMDS, mixing speed is 300~500 revs/min, mixing time is 1~1.5 hour.
4. the preparation method of a kind of self-cleaning film according to claim 1, it is characterised in that in the step (1), Gu Body particle pure water 3~5 times, 30~50 DEG C of drying.
5. the preparation method of a kind of self-cleaning film according to claim 1, it is characterised in that in the step (2), will The super-hydrophobic white carbons of 0.5~2.0g are dispersed in 30~50mL toluene, and the addition of silicones is 2~6g.
6. the preparation method of a kind of self-cleaning film according to claim 1, it is characterised in that in the step (2), shape Into after homogeneous phase solution, 40~60 DEG C of stirring in water bath 1~3 hour obtain liquid of vicidity.
7. the preparation method of a kind of self-cleaning film according to claim 1, it is characterised in that in the step (3), will 1~3mL liquid of vicidity, even smearing or is sprayed at 25~100cm2Silicon chip surface, 35~50 DEG C of drying.
8. a kind of self-cleaning film, it is characterised in that the self-cleaning film is used as described in any one of claim 1~7 Preparation method is prepared from.
9. a kind of application of self-cleaning film as claimed in claim 8 on glass outer surface.
CN201710407279.9A 2017-06-02 2017-06-02 A kind of self-cleaning film, preparation method and application Pending CN107082898A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109266015A (en) * 2018-09-19 2019-01-25 深圳市红叶杰科技有限公司 Silicon rubber base rubber, two-component silicone rubber and preparation method thereof
CN115178104A (en) * 2022-08-15 2022-10-14 四川大学 Super-hydrophobic particle dotted super-hydrophilic net film, preparation method and application thereof

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CN103359954A (en) * 2012-04-01 2013-10-23 比亚迪股份有限公司 Preparation method of silicon dioxide super-hydrophobic thin film and super-hydrophobic material
CN106497406A (en) * 2016-11-08 2017-03-15 苏州蓝锐纳米科技有限公司 A kind of nano superhydrophobic coating and its production technology

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN103359954A (en) * 2012-04-01 2013-10-23 比亚迪股份有限公司 Preparation method of silicon dioxide super-hydrophobic thin film and super-hydrophobic material
CN106497406A (en) * 2016-11-08 2017-03-15 苏州蓝锐纳米科技有限公司 A kind of nano superhydrophobic coating and its production technology

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109266015A (en) * 2018-09-19 2019-01-25 深圳市红叶杰科技有限公司 Silicon rubber base rubber, two-component silicone rubber and preparation method thereof
CN115178104A (en) * 2022-08-15 2022-10-14 四川大学 Super-hydrophobic particle dotted super-hydrophilic net film, preparation method and application thereof
CN115178104B (en) * 2022-08-15 2023-05-12 四川大学 Super-hydrophobic particle-decorated super-hydrophilic omentum, preparation method and application thereof

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