CN107974161A - A kind of coating and preparation method thereof that blocks water of carbon nanotubes - Google Patents

A kind of coating and preparation method thereof that blocks water of carbon nanotubes Download PDF

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Publication number
CN107974161A
CN107974161A CN201711408876.XA CN201711408876A CN107974161A CN 107974161 A CN107974161 A CN 107974161A CN 201711408876 A CN201711408876 A CN 201711408876A CN 107974161 A CN107974161 A CN 107974161A
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China
Prior art keywords
coating
carbon nanotubes
curing agent
blocks water
preparation
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CN201711408876.XA
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Chinese (zh)
Inventor
郑传波
常国培
朱思彪
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Jiangsu Special Mstar Technology Ltd
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Jiangsu Special Mstar Technology Ltd
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Priority to CN201711408876.XA priority Critical patent/CN107974161A/en
Publication of CN107974161A publication Critical patent/CN107974161A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D161/00Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/04Condensation polymers of aldehydes or ketones with phenols only
    • C09D161/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

A kind of coating and preparation method thereof that blocks water of carbon nanotubes disclosed by the invention, including following components:Phenolic resin, epoxy resin, dimethylbenzene, acetone, curing agent and carbon nanotubes, through mixing, stirring, heating reaction is made, the obtained coating that blocks water is compared with existing coating, due to carbon nanotubes addition in the coating, it is filled with the micropore of coating in itself, fill the passage of hydrone infiltration, significantly extend water and time used in matrix surface is penetrated into from coating surface, coating failure is delayed, add the service life of coating, if at the coating in the seawater, due to the suction-operated of carbon nanotubes, Na+ that can be effectively in adsorbent solution, Cl, it can effectively prevent Cl from penetrating into matrix surface to damage, improve corrosion resisting property;Meanwhile special curing agent of arranging in pairs or groups, the reaction rate for the coating that blocks water can be increased substantially, in use, gel time is reduced, moreover, its preparation method is simple and practicable, it is easy to implement.

Description

A kind of coating and preparation method thereof that blocks water of carbon nanotubes
Technical field
The invention belongs to paint field, and in particular to a kind of coating and preparation method thereof that blocks water of carbon nanotubes.
Background technology
In natural environment, chemical action or electrochemical action can occur due to the influence of environment for material, and occur rotten Erosion failure, loses its original mechanical property and structure function, causes potential security risk and economic loss.In big compression ring Corrosion in border, soil environment and marine environment, and protruded the most with marine corrosion and be badly in need of research and captured.Prevent in marine corrosion In terms of shield, coating protecting occupies very high ratio, this allows research of the coating under briny environment to become hot spot.
Synthetic resin coating of the phthalic resin coating using alkyd resin as main film forming substance, it is with weatherability, attachment The features such as power is good, it is easy for construction, it is widely used in the applications such as bridge, machinery, vehicle, ship.
In order to improve the water-impervious of coating itself and corrosion resistance, nano level multi-walled carbon nanotube is added herein clear Color stuffing is served as in paint, the addition increase film forming coatings compactness of carbon nanotubes, the passage of filling hydrone infiltration, significantly extends Water penetrates into the time used in matrix surface from coating surface, has delayed coating failure, adds the service life of coating.Will Carbon nanotubes is applied in coating, will show more preferable water preventing ability and corrosion resistance.
The content of the invention
In order to improve the water-impervious of coating itself and corrosion resistance, the invention discloses a kind of blocking water for carbon nanotubes Coating and preparation method thereof.
Specific technical solution is as follows:
A kind of coating and preparation method thereof that blocks water of carbon nanotubes, it is characterised in that the painting that blocks water of the carbon nanotubes Material, by mass percentage including the following raw material:
Phenolic resin 80 ~ 85%,
Epoxy resin 1 ~ 3%,
Dimethylbenzene 0.6 ~ 0.8%,
Acetone 2 ~ 3%,
Curing agent 6 ~ 8%,
Carbon nanotubes 1 ~ 5%.
Wherein, it is preferred that the mass percent of the carbon nanotubes is 3%.
The preparation method of the coating that blocks water of the carbon nanotubes, including step in detail below:
(1)Phenolic resin, epoxy resin, dimethylbenzene and acetone are weighed by mass percentage, are added in the lump in reaction kettle;
(2)Start reaction kettle, temperature control is stirred at 25 ~ 100 DEG C, stirs 30 ~ 50min, and stir speed (S.S.) control exists 800 ~ 1200R/Min, waits to be mixed thoroughly, and obtains mixture A;
(3)Reaction kettle persistently stirs, reduce stir speed (S.S.) to 600 ~ 800R/Min, temperature control at 50 ~ 75 DEG C, stirring it is same When, in 5 minutes, curing agent is gradually added, stirs 60 ~ 90Min, until mixture A is mixed thoroughly with curing agent, obtain To mixture B;
(4)Prepare carbon nanotubes by mass percentage, carbon nanotubes is ground and crosses 250 mesh sieves, obtains carbon nanotube dust, by institute The carbon nanotube dust obtained is added in reaction kettle, and heating 2 ~ 3h of reaction, reaction temperature is controlled at 50 ~ 75 DEG C, adjoint stirring, stirring Speed control is completed in 100 ~ 120R/Min, heating reaction, to obtain the final product the coating that blocks water of the carbon nanotubes.
Wherein, the curing agent by mass percentage, including following components:
Borax 1 ~ 3%, diisopropanolamine (DIPA) 5 ~ 7%, mannich base 20 ~ 25%, phenolic resin 60 ~ 70%, sodium metasilicate 1 ~ 3%, sulfamic acid 1~3%。
The curing agent preparation method is as follows:
(a)Phenolic resin is weighed by mass percentage, is added in reaction kettle, and by way of heating water bath, by phenolic resin 30 ~ 50 DEG C are heated to, insulation;
(b)To step(a)In phenolic resin in add at borax and diisopropanolamine (DIPA), with 40 ~ 45 DEG C, keep the temperature 1 ~ 1.2h, and With stirring, control stir speed (S.S.) is in 100R/Min;
(c)Then add sodium metasilicate and sulfamic acid, and synchronously add 35 ~ 50 DEG C of deionized water, control solution temperature 40 ~ 45 DEG C, 1.5 ~ 2h is kept the temperature, and with stirring, control stir speed (S.S.) is in 600 ~ 700R/Min;
(d)By step(c)In solution, lift temperature to 80 ~ 95 DEG C, and vacuumize distillation, steamed until solvent-free, obtained described Curing agent.
Wherein, the quality of the deionized water is 2 ~ 4 times of curing agent all components gross mass.
Beneficial effects of the present invention are:
A kind of coating and preparation method thereof that blocks water of carbon nanotubes disclosed by the invention, including following components:Phenolic resin, ring Oxygen tree fat, dimethylbenzene, acetone, curing agent and carbon nanotubes, through mix, stir, heat reaction be made, it is obtained block water coating with Existing coating is compared, and due to carbon nanotubes addition in the coating, is filled with the micropore of coating in itself, filling hydrone infiltration is led to Road, significantly extends water and penetrates into time used in matrix surface from coating surface, delayed coating failure, added coating Service life, if, due to the suction-operated of carbon nanotubes, Na+, Cl- that can be effectively in adsorbent solution, at the coating in the seawater It can effectively prevent Cl- from penetrating into matrix surface to damage, improve corrosion resisting property;Meanwhile special curing agent of arranging in pairs or groups, can be significantly Degree improves the reaction rate for the coating that blocks water, in use, gel time is reduced, moreover, its preparation method is simple and practicable, and it is easily real It is existing.
Embodiment
To make technical scheme become apparent from clearly, below the present invention is described further, it is any to this The technical characteristic of inventive technique scheme carries out the scheme that equivalencing is drawn with conventional reasoning and each falls within the scope of the present invention.
Embodiment one
A kind of coating and preparation method thereof that blocks water of carbon nanotubes, it is characterised in that the painting that blocks water of the carbon nanotubes Material, by mass percentage including the following raw material:
Phenolic resin 84%,
Epoxy resin 2%,
Dimethylbenzene 0.7%,
Acetone 3%,
Curing agent 7.3%,
Carbon nanotubes 3%.
The preparation method of the coating that blocks water of the carbon nanotubes, including step in detail below:
(1)Phenolic resin, epoxy resin, dimethylbenzene and acetone are weighed by mass percentage, are added in the lump in reaction kettle;
(2)Start reaction kettle, temperature control is stirred at 45 DEG C, stirs 45min, and stir speed (S.S.) is controlled in 1100R/ Min, waits to be mixed thoroughly, and obtains mixture A;
(3)Reaction kettle persistently stirs, and reduces stir speed (S.S.) to 700R/Min, and temperature control is at 55 DEG C, while stirring, with 5 In minute, curing agent is gradually added, stirs 85Min, until mixture A is mixed thoroughly with curing agent, obtain mixture B;
(4)Prepare carbon nanotubes by mass percentage, carbon nanotubes is ground and crosses 250 mesh sieves, obtains carbon nanotube dust, by institute The carbon nanotube dust obtained is added in reaction kettle, and heating reaction 3h, reaction temperature is controlled at 55 DEG C, adjoint stirring, stir speed (S.S.) Control is completed in 100R/Min, heating reaction, to obtain the final product the coating that blocks water of the carbon nanotubes.
Wherein, the curing agent by mass percentage, including following components:
Borax 2%, diisopropanolamine (DIPA) 6%, mannich base 22%, phenolic resin 65%, sodium metasilicate 2.3%, sulfamic acid 2.7%.
The curing agent preparation method is as follows:
(a)Phenolic resin is weighed by mass percentage, is added in reaction kettle, and by way of heating water bath, by phenolic resin 40 DEG C are heated to, insulation;
(b)To step(a)In phenolic resin in add at borax and diisopropanolamine (DIPA), with 45 DEG C, keep the temperature 1h, and with stirring Mix, control stir speed (S.S.) is in 100R/Min;
(c)Sodium metasilicate and sulfamic acid are then added, and synchronously adds 45 DEG C of deionized water, controls solution temperature at 45 DEG C, 1.7h is kept the temperature, and with stirring, control stir speed (S.S.) is in 600R/Min;
(d)By step(c)In solution, lift temperature to 85 DEG C, and vacuumize distillation, steamed until solvent-free, obtain described consolidate Agent.
Wherein, the quality of the deionized water is 2.5 times of curing agent all components gross mass.
Embodiment two
A kind of coating and preparation method thereof that blocks water of carbon nanotubes, it is characterised in that the painting that blocks water of the carbon nanotubes Material, by mass percentage including the following raw material:
Phenolic resin 85%,
Epoxy resin 2.5%,
Dimethylbenzene 0.8%,
Acetone 3%,
Curing agent 6%,
Carbon nanotubes 2.7%.
The preparation method of the coating that blocks water of the carbon nanotubes, including step in detail below:
(1)Phenolic resin, epoxy resin, dimethylbenzene and acetone are weighed by mass percentage, are added in the lump in reaction kettle;
(2)Starting reaction kettle, temperature control is stirred at 55 DEG C, stirs 40min, and stir speed (S.S.) is controlled in 900R/Min, Wait to be mixed thoroughly, obtain mixture A;
(3)Reaction kettle persistently stirs, and reduces stir speed (S.S.) to 650R/Min, and temperature control is at 65 DEG C, while stirring, with 5 In minute, curing agent is gradually added, stirs 85Min, until mixture A is mixed thoroughly with curing agent, obtain mixture B;
(4)Prepare carbon nanotubes by mass percentage, carbon nanotubes is ground and crosses 250 mesh sieves, obtains carbon nanotube dust, by institute The carbon nanotube dust obtained is added in reaction kettle, and heating reaction 2.5h, reaction temperature is controlled at 60 DEG C, adjoint stirring, stirring speed Rate control is completed in 110R/Min, heating reaction, to obtain the final product the coating that blocks water of the carbon nanotubes.
Wherein, the curing agent by mass percentage, including following components:
Borax 3%, diisopropanolamine (DIPA) 6.5%, mannich base 22.5%, phenolic resin 64%, sodium metasilicate 2%, sulfamic acid 2%.
The curing agent preparation method is as follows:
(a)Phenolic resin is weighed by mass percentage, is added in reaction kettle, and by way of heating water bath, by phenolic resin 40 DEG C are heated to, insulation;
(b)To step(a)In phenolic resin in add at borax and diisopropanolamine (DIPA), with 40 DEG C, keep the temperature 1.2h, and with stirring Mix, control stir speed (S.S.) is in 100R/Min;
(c)Sodium metasilicate and sulfamic acid are then added, and synchronously adds 35 DEG C of deionized water, controls solution temperature at 45 DEG C, 1.5h is kept the temperature, and with stirring, control stir speed (S.S.) is in 630R/Min;
(d)By step(c)In solution, lift temperature to 85 DEG C, and vacuumize distillation, steamed until solvent-free, obtain described consolidate Agent.
Wherein, the quality of the deionized water is 2.5 times of curing agent all components gross mass.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in, It should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims Subject to.

Claims (4)

1. coating and preparation method thereof that blocks water of a kind of carbon nanotubes, it is characterised in that the carbon nanotubes blocks water Coating, by mass percentage including the following raw material:
Phenolic resin 80 ~ 85%,
Epoxy resin 1 ~ 3%,
Dimethylbenzene 0.6 ~ 0.8%,
Acetone 2 ~ 3%,
Curing agent 6 ~ 8%,
Carbon nanotubes 1 ~ 5%;
The preparation method of the coating that blocks water of the carbon nanotubes, including step in detail below:
(1)Phenolic resin, epoxy resin, dimethylbenzene and acetone are weighed by mass percentage, are added in the lump in reaction kettle;
(2)Start reaction kettle, temperature control is stirred at 25 ~ 100 DEG C, stirs 30 ~ 50min, and stir speed (S.S.) control exists 800 ~ 1200R/Min, waits to be mixed thoroughly, and obtains mixture A;
(3)Reaction kettle persistently stirs, reduce stir speed (S.S.) to 600 ~ 800R/Min, temperature control at 50 ~ 75 DEG C, stirring it is same When, in 5 minutes, curing agent is gradually added, stirs 60 ~ 90Min, until mixture A is mixed thoroughly with curing agent, obtain To mixture B;
(4)Prepare carbon nanotubes by mass percentage, carbon nanotubes is ground and crosses 250 mesh sieves, obtains carbon nanotube dust, by institute The carbon nanotube dust obtained is added in reaction kettle, and heating 2 ~ 3h of reaction, reaction temperature is controlled at 50 ~ 75 DEG C, adjoint stirring, stirring Speed control is completed in 100 ~ 120R/Min, heating reaction, to obtain the final product the coating that blocks water of the carbon nanotubes.
A kind of 2. coating and preparation method thereof that blocks water of carbon nanotubes as claimed in claim 1, it is characterised in that the carbon The mass percent of nanotube is 3%.
3. coating and preparation method thereof that blocks water of a kind of carbon nanotubes as claimed in claim 1, it is characterised in that described Curing agent by mass percentage, including following components:
Borax 1 ~ 3%, diisopropanolamine (DIPA) 5 ~ 7%, mannich base 20 ~ 25%, phenolic resin 60 ~ 70%, sodium metasilicate 1 ~ 3%, sulfamic acid 1~3%;
The curing agent preparation method is as follows:
(a)Phenolic resin is weighed by mass percentage, is added in reaction kettle, and by way of heating water bath, by phenolic resin 30 ~ 50 DEG C are heated to, insulation;
(b)To step(a)In phenolic resin in add at borax and diisopropanolamine (DIPA), with 40 ~ 45 DEG C, keep the temperature 1 ~ 1.2h, and With stirring, control stir speed (S.S.) is in 100R/Min;
(c)Then add sodium metasilicate and sulfamic acid, and synchronously add 35 ~ 50 DEG C of deionized water, control solution temperature 40 ~ 45 DEG C, 1.5 ~ 2h is kept the temperature, and with stirring, control stir speed (S.S.) is in 600 ~ 700R/Min;
(d)By step(c)In solution, lift temperature to 80 ~ 95 DEG C, and vacuumize distillation, steamed until solvent-free, obtained described Curing agent.
4. coating and preparation method thereof that blocks water of a kind of carbon nanotubes as claimed in claim 3, it is characterised in that described to go The quality of ionized water is 2 ~ 4 times of curing agent all components gross mass.
CN201711408876.XA 2017-12-22 2017-12-22 A kind of coating and preparation method thereof that blocks water of carbon nanotubes Pending CN107974161A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112300657A (en) * 2020-07-02 2021-02-02 上海兴赛尔表面材料有限公司 Water-based corrosion-resistant composition suitable for color coating production line and manufacturing and using methods thereof
CN112574606A (en) * 2020-12-31 2021-03-30 江苏科辉环境科技有限公司 Carbon nano tube anticorrosive paint
CN115821585A (en) * 2022-12-10 2023-03-21 江苏金呢工程织物股份有限公司 Textile auxiliary for high-wear-resistance forming net and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1651524A (en) * 2005-01-14 2005-08-10 清华大学 Carbon nano-pipe composite coating layer type wave absorption material and its preparation method
CN103881304A (en) * 2014-03-04 2014-06-25 天津虹炎科技有限公司 Epoxy resin composition with low organic matter volatility
CN105062300A (en) * 2015-07-17 2015-11-18 金湖县杰达机械制造有限公司 Anti-corrosion and wear-resisting coating for throwing disc of pneumatic type feeder and preparation method of coating

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1651524A (en) * 2005-01-14 2005-08-10 清华大学 Carbon nano-pipe composite coating layer type wave absorption material and its preparation method
CN103881304A (en) * 2014-03-04 2014-06-25 天津虹炎科技有限公司 Epoxy resin composition with low organic matter volatility
CN105062300A (en) * 2015-07-17 2015-11-18 金湖县杰达机械制造有限公司 Anti-corrosion and wear-resisting coating for throwing disc of pneumatic type feeder and preparation method of coating

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112300657A (en) * 2020-07-02 2021-02-02 上海兴赛尔表面材料有限公司 Water-based corrosion-resistant composition suitable for color coating production line and manufacturing and using methods thereof
CN112574606A (en) * 2020-12-31 2021-03-30 江苏科辉环境科技有限公司 Carbon nano tube anticorrosive paint
CN115821585A (en) * 2022-12-10 2023-03-21 江苏金呢工程织物股份有限公司 Textile auxiliary for high-wear-resistance forming net and preparation method thereof

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Application publication date: 20180501