CN107629663A - Graphene coating and preparation method thereof - Google Patents

Graphene coating and preparation method thereof Download PDF

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Publication number
CN107629663A
CN107629663A CN201710996188.3A CN201710996188A CN107629663A CN 107629663 A CN107629663 A CN 107629663A CN 201710996188 A CN201710996188 A CN 201710996188A CN 107629663 A CN107629663 A CN 107629663A
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China
Prior art keywords
graphene
parts
emulsion
coating according
preparation
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Application number
CN201710996188.3A
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Chinese (zh)
Inventor
陈武
吕晓莉
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Shanghai Valley Nuclear Membrane Polytron Technologies Inc
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Shanghai Valley Nuclear Membrane Polytron Technologies Inc
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Priority to CN201710996188.3A priority Critical patent/CN107629663A/en
Publication of CN107629663A publication Critical patent/CN107629663A/en
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Abstract

The invention discloses a kind of graphene coating, its formula number:20~50 parts of adhesive, 2~15 parts of the graphene dispersing solution of solid content 0.3~8%, 0.01~0.5 part of surfactant, 5~20 parts of deionized water;Preparation method is to be stirred above-mentioned each composition together by the formula rate;It is agitated be mixed thoroughly to emulsion after, with screen cloth filter one time, place more than 4 hours;It is coated with uniformly by upper machine after complete defoaming.There is the characteristics of high hardness, extremely low impedance and high performance thermal insulation, scratch resistance capability are strong, and self-cleaning ability is good, and heat insulation and preservation effect is stronger after graphene coatings film forming of the present invention.

Description

Graphene coating and preparation method thereof
Technical field
The present invention relates to a kind of coating, refer in particular to a kind of be used to processing with ventilation, dust-proof, insulation, windproof, anti- The gas permeable glass material or the graphene of the functional processing such as other materials Surface hardened layer, antistatic, heat-insulated that rain, anti-high building are staggered along Coating and preparation method thereof.
Background technology
It is well known that PM2.5 and outdoor particulate matter are particle diameters in micron-sized air pollution particulate matter.To sieve principle, When we carry out outdoor particulate matter with the form of screen window stops, the mesh of window screen gauze could effectively hinder when being only less than micron order Every particulate matter, this, which can yet be regarded as, carries out a kind of effective method of particulate matter protection with physical method.But it is known that room Outer particulate matter protection is the first purpose, and we either spring, summer, autumn and winter, turn on the aircondition more times all in indoor environment Or heating whether, people generally live in the state of keeping door and window to close, and indoor harmful gas turns into infringement health Primary pollution source, therefore, carry out the exchange of indoor and outdoor gas, the pollution of reduction indoor harmful gas is only our most important mesh 's.
With the continuous improvement of living standard, increasing people adjusts indoor temperature dependent on air-conditioning.And opening sky Timing, we typically can keep the constant of indoor temperature by closing door and window.However, long-time ergonomics under air conditioner surroundings The people of habit, because space is relatively closed, atmosphere draught-free, pathogenic microorganisms and pernicious gas is set constantly to grow, and due to interior The outer temperature difference is larger, and organism adaptation is bad, it may appear that nasal obstruction, giddy, sneezing, tinnitus, weak, failure of memory, limb muscle The symptoms such as joint pain, often there is some allergic symptoms, and such as skin-bound is dry, easy allergy, skin deterioration.
It is its aesthetic property, self-cleaning ability, anti-zoned in addition, the feature Protection Product used as a kind of telecommuting environment Wound property, persistence are also an important factor for needing to consider in product design process.Graphene has very high hardness, and extremely strong leads Electrical property and good heat-proof quality;If graphene dispersing solution compounded, preferable material surface attachment is reached Power, it just can solve the scratch resistance of gas permeable glass or other materials surface, the functional issues such as dust-proof, heat-insulated.
Therefore, how to design one kind and meet that people can keep indoor constant while confined space inwardly opened window is taken a breath Temperature requirements and can solve the problems, such as pathogenic microorganisms grow and reduce formaldehyde, the harmful gas concentration such as carbon dioxide it is ventilative Glass material, it is the class that the present invention concentrates on studies that and can, which makes material surface have the coating of the function such as scratch resistance, dust-proof, heat-insulated, Topic.
The content of the invention
It is an object of the invention to provide a kind of graphene coating and preparation method thereof, there is pole after the coatings film forming High hardness, extremely low impedance and high performance thermal insulation, resistance to marring;Gas permeable glass self-cleaning ability with its covering with paint is strong, every Hot high insulating effect, the features such as scratch resistance capability is strong.
In order to achieve the above object, the present invention provides a kind of graphene coating, wherein by following component in parts by weight Formula is:20~50 parts of adhesive, 2~15 parts of graphene dispersing solution, 0.01~0.5 part of surfactant, deionized water 5~20 Part.
Preferably, the graphene dispersion fluid solid content is 0.3~8%.
Preferably, described adhesive mainly include aqueous polyurethane emulsion, water-based rhoplex, water-based pure-acrylic emulsion, One of which or several in aqueous epoxy resin emulsion.
Preferably, the surfactant mainly includes quaternary ammonium salts, OP-10, organic silicon surfactant, fluorochemical surface One of which or several in activating agent.
A kind of described graphene preparation method for coating, it comprises the following steps:
(1) above-mentioned each composition is stirred together by the formula rate;
(2) it is agitated be mixed thoroughly to emulsion after, with screen cloth filter one time, place more than 4 hours;
(3) after complete defoaming.
Preferably, each composition of the step (1) is progressively blended in one under 200~300 revs/min of stirring Rise.
Preferably, the step (2) stirs 10~20 points of kinds in the state of 1000 revs/min, until treating that emulsion is complete It is well mixed.
Preferably, the filter net cloth is the screen cloth of 200~300 mesh.
After such scheme, the beneficial effect of graphene coating of the present invention and preparation method thereof is:
1st, using uniqueness graphene formulation for coating material coating film forming after there is high hardness, extremely low impedance and high-performance Thermal insulation, resistance to marring;Gas permeable glass material structure self-cleaning ability with its covering with paint is strong, and heat insulation and preservation effect is good, scratch resistance The features such as ability is strong;With it with PET, PETG, ABS, BOPP, PP, PC, PVC, TPU etc. transparent resin material with reference to made of thoroughly Gas glass material has high mechanical strength and good impact resistance, can substitute Buddha's warrior attendant net completely, prevent high level from falling The indoor collision behavior such as hit, be effectively protected the personal safety of user, greatly reduce the use cost of user;Well Heat preservation and insulation so that opened a window while turning on the aircondition, open heating, at night sleep opens a window, be not related to throughout the year window this One behavior is possibly realized;
2nd, graphene preparation method for coating technique of the present invention is simple, high in machining efficiency;
3rd, graphene coating of the present invention is widely applicable, is applicable not only to gas permeable glass, and can be used for other materials surface Functional processing such as hardening, antistatic, heat-insulated, has good using effect.
Embodiment
With reference to specific embodiment, the invention will be further described, so that those skilled in the art can be more preferable Understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment one:The formula of graphene coating of the present invention in parts by weight is:
Aqueous polyurethane emulsion:20~50 parts;
Graphene dispersing solution:3~15 parts;
Organic silicon surfactant:0.01~0.4 part;
Deionized water:5~20 parts.
Preparation method is:
(1) by 20~50 parts of aqueous polyurethane emulsions, 3~15 parts of graphene dispersing solutions, 0.01~0.4 part of organosilyl surface Activating agent, 5~20 parts of deionized waters are progressively mixed by formula order under 200~300 revs/min of stirring;
(2) emulsion obtained by step (1) is stirred into 10~20 points of kinds in the state of 1000 revs/min, stirred complete to emulsion After being well mixed entirely, filtered one time, placed more than 4 hours with the screen cloth of 300 mesh;
(3) after complete defoaming.
Its technical indicator is as follows:
Solid content:8~20%;
Viscosity:200~3000;
Glass transition temperature:- 50~0 DEG C;
Index after film forming:
Coating thickness:0.5~2um;
Water resistance:25 DEG C,>720 hours;
Ply adhesion:>6(N/cm);
Sheet resistance:<109Ohm
Yellowing resistance:8~10 years.
Embodiment two:The formula of graphene coating of the present invention in parts by weight is:
Aqueous acrylic emulsion:25~45 parts;
Graphene dispersing solution:5~10 parts;
Organic silicon surfactant:0.2~0.4 part;
Deionized water:5~15 parts.
Preparation method is:
(1) by 25~45 parts of aqueous acrylic emulsions, 5~10 parts of graphene dispersing solutions, 0.2~0.4 part of organosilyl surface Activating agent, 5~15 parts of deionized waters are progressively mixed by component order under 200~300 revs/min of stirring;
(2) emulsion obtained by step (1) is stirred into 10~20 points of kinds in the state of 1000 revs/min, stirred complete to emulsion After being well mixed entirely, filtered one time, placed more than 4 hours with the screen cloth of 300 mesh;
(3) after complete defoaming.
Its technical indicator is as follows:
Solid content:10~28%;
Viscosity:500~2000;
Glass transition temperature:- 40~0 DEG C;
Index after film forming:
Coating thickness:0.5~2um;
Water resistance:25 DEG C,>600 hours;
Ply adhesion:>6(N/cm);
Sheet resistance:<109Ohm
Yellowing resistance:5~8 years.
Embodiment three:The formula of graphene coating of the present invention by weight is:
Pure-acrylic emulsion:30~40 parts;
Graphene dispersing solution:3~8 parts;
Fluorine surfactant:0.01~0.03 part;
Deionized water:5~15 parts.
Preparation method is:
(1) by 30~40 parts of pure-acrylic emulsions, 3~8 parts of graphene dispersing solutions, 0.01~0.03 part of fluorine surfactant, 5~ 15 parts of deionized waters are progressively mixed by component order under 200~300 revs/min of stirring;
(2) emulsion obtained by step (1) is stirred into 10~20 points of kinds in the state of 1000 revs/min, stirred complete to emulsion After being well mixed entirely, filtered one time, placed more than 4 hours with the screen cloth of 300 mesh;
(3) after complete defoaming.
Its technical indicator is as follows:
Solid content:10~25%;
Viscosity:500~2000;
Glass transition temperature:- 40~0 DEG C;
Index after film forming:
Coating thickness:0.5~2um;
Water resistance:25 DEG C,>720 hours;
Ply adhesion:>6(N/cm);
Sheet resistance:<109Ohm;
Yellowing resistance:6~8 years.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention Protection domain within.Protection scope of the present invention is defined by claims.

Claims (8)

1. a kind of graphene coating, it is characterised in that be by the formula of following component in parts by weight:20~50 parts of adhesive, 2~15 parts of graphene dispersing solution, 0.01~0.5 part of surfactant, 5~20 parts of deionized water.
2. graphene coating according to claim 1, it is characterised in that the graphene dispersion fluid solid content be 0.3~ 8%.
3. graphene coating according to claim 1, it is characterised in that described adhesive mainly includes aqueous polyurethane breast Liquid, water-based rhoplex, water-based pure-acrylic emulsion, the one of which in aqueous epoxy resin emulsion or several.
4. graphene coating according to claim 1, it is characterised in that the surfactant mainly includes quaternary amine One of which or several in class, OP-10, organic silicon surfactant, fluorine-containing surfactant.
5. a kind of graphene preparation method for coating as described in one of claim 1-4, it is characterised in that comprise the following steps:
(1) above-mentioned each composition is stirred together by the formula rate;
(2) it is agitated be mixed thoroughly to emulsion after, with screen cloth filter one time, place more than 4 hours;
(3) after complete defoaming.
6. graphene preparation method for coating according to claim 5, it is characterised in that each composition of the step (1) exists Progressively mixed under 200~300 revs/min of stirring.
7. graphene preparation method for coating according to claim 5, it is characterised in that the step (2) is at 1000 revs/min 10~20 points of kinds are stirred in the state of clock, until treating that emulsion is mixed thoroughly.
8. graphene preparation method for coating according to claim 7, it is characterised in that the filter net cloth is 200~300 Purpose screen cloth.
CN201710996188.3A 2017-10-23 2017-10-23 Graphene coating and preparation method thereof Pending CN107629663A (en)

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Application Number Priority Date Filing Date Title
CN201710996188.3A CN107629663A (en) 2017-10-23 2017-10-23 Graphene coating and preparation method thereof

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CN107629663A true CN107629663A (en) 2018-01-26

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108117835A (en) * 2018-02-15 2018-06-05 湖南辰砾新材料有限公司 A kind of chromium-free fingerprint-resistant environmental protection coating material and preparation method thereof
CN108298813A (en) * 2018-01-31 2018-07-20 和县晶晶玻璃制品有限公司 A kind of graphene for kitchen use/modified polyurethane compound glass
CN110157346A (en) * 2019-05-06 2019-08-23 费植煌 A kind of decorating film of containing graphene
CN110373084A (en) * 2019-02-22 2019-10-25 福建科华中盈新材料有限公司 It is a kind of to apply the graphene coating and preparation method thereof heat-insulated in glass antiultraviolet
CN111286272A (en) * 2020-02-12 2020-06-16 常德集智生物科技有限公司 Green antibacterial sterilization negative oxygen ion release air conditioner filter screen and air conditioner

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106244011A (en) * 2016-08-02 2016-12-21 江苏晨光涂料有限公司 Graphene-based aqueous antistatic coating and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106244011A (en) * 2016-08-02 2016-12-21 江苏晨光涂料有限公司 Graphene-based aqueous antistatic coating and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108298813A (en) * 2018-01-31 2018-07-20 和县晶晶玻璃制品有限公司 A kind of graphene for kitchen use/modified polyurethane compound glass
CN108298813B (en) * 2018-01-31 2020-08-04 和县晶晶玻璃制品有限公司 Graphene/modified polyurethane composite glass for kitchen
CN108117835A (en) * 2018-02-15 2018-06-05 湖南辰砾新材料有限公司 A kind of chromium-free fingerprint-resistant environmental protection coating material and preparation method thereof
CN108117835B (en) * 2018-02-15 2020-01-07 深圳大桥化工有限公司 Chromium-free fingerprint-resistant environment-friendly coating and preparation method thereof
CN110373084A (en) * 2019-02-22 2019-10-25 福建科华中盈新材料有限公司 It is a kind of to apply the graphene coating and preparation method thereof heat-insulated in glass antiultraviolet
CN110157346A (en) * 2019-05-06 2019-08-23 费植煌 A kind of decorating film of containing graphene
CN110157346B (en) * 2019-05-06 2021-05-07 费植煌 Decoration film containing graphene
CN111286272A (en) * 2020-02-12 2020-06-16 常德集智生物科技有限公司 Green antibacterial sterilization negative oxygen ion release air conditioner filter screen and air conditioner

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Application publication date: 20180126