CN109575795A - Aqueous ceramic coating, preparation method and ceramic coating - Google Patents
Aqueous ceramic coating, preparation method and ceramic coating Download PDFInfo
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- C09D183/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
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- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
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Abstract
The present invention relates to aqueous ceramic technical field of coatings, and in particular to a kind of aqueous ceramic coating, preparation method and ceramic coating.Aqueous ceramic coating of the invention includes following component: 60-80 parts of silicone resin, 30-40 parts of titanium dioxides, 5-10 parts of nano silicas, 5-10 parts of nano zine oxides, 5-10 parts of modified nano calcium carbonates, 8-11 parts of hollow ceramic particles, 5-8 parts of nanometer silicon carbides, 5-7 parts of solvent naphthas, 2-3 parts of levelling agents；Aqueous ceramic coating hardness of the invention is high, and flexibility is good, and wear-resisting, resistant, scratch-resistant performance are good；The wearability of aqueous ceramic coating is not only increased by addition nano silica, nano zine oxide, nanometer silicon carbide, meanwhile, but also ceramic coating of the invention has the function of antibacterial；Solve the problems, such as not wear-resisting, not resistant, not scratch-resistant performance existing for aqueous ceramic coating in the prior art.
Description
Technical field
The present invention relates to aqueous ceramic technical field of coatings, and in particular to a kind of aqueous ceramic coating, preparation method and pottery
Porcelain coating.
Background technique
Ceramic coating be it is a kind of organic matter can be made to react with inorganic matter, to have both the novel ceramic of the two advantage
Coating.Traditional inorganic ceramic paint there are adhesive force weakness such as low, flexibility is poor, comprehensive anticorrosive performance ideal not to the utmost, in pipeline
Heavy antisepsis field is using fewer and fewer.Traditional organic ceramic coating generally by macromolecule resin, toughener, defoaming agent, levelling agent,
Silica flour and curing agent etc. are mixed in a certain ratio, although being mixed in macromolecule resin more using very extensively
Organic solvent, it is unfavorable to personal safety and environmental protection.With the improvement of people's environmental awareness, developing environment-friendly ceramic coating is
The exploitation of the main trend of ceramic coating, especially aqueous ceramic coating is important developing direction.
Aqueous ceramic coating is the environment-friendly type coating for being entirely free of organic solvent, is to have environmentally protective height completely
Performance innovates coating, however, ceramic coating hardness itself is high, flexibility is poor, in use, be easy by collision, impact,
Cause adhesive force to be deteriorated, split or fall off, is unable to satisfy the requirement of the high abrasion, high resistant, high scratch-resistant performance of high-grade equipment.
Summary of the invention
The present invention provides a kind of aqueous ceramic coating, preparation method and ceramic coating for problem of the prior art, solves
In the prior art existing for aqueous ceramic coating it is not wear-resisting, not resistant, not scratch-resistant performance the problem of.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
One of the objects of the present invention is to provide a kind of aqueous ceramic coating, including following component:
It is further preferred that aqueous ceramic coating, including following component:
Every part of modified nano calcium carbonate the preparation method is as follows:
(1) ethanol solution for the 20wt% silane coupling agent that mass ratio is 6:1 is stirred with nanometer calcium carbonate,
It is ultrasonically treated 20min, vacuum drying recycling ethyl alcohol, is made silane coupler modified nanometer calcium carbonate after ultrasound；
(2) silane coupler modified nanometer calcium carbonate made from step (1) is added in deionized water, adds dodecane
Base sodium sulfonate, ultrasonic disperse 30min obtain lotion；Wherein, the silane coupler modified nanometer calcium carbonate, deionized water, 12
The mass ratio of sodium alkyl sulfonate is 1:10:0.2；
(3) lotion made from step (2) is heated to 60 DEG C under agitation, under a nitrogen atmosphere, according to persulfuric acid
Ammonium and the mass ratio of silane coupler modified nanometer calcium carbonate are that ammonium persulfate is added in 5:1；
(4) continue temperature and rise to 75 DEG C, according to the matter of Butyl Acrylate Monomer and silane coupler modified nanometer calcium carbonate
Amount is added dropwise Butyl Acrylate Monomer, after being added dropwise, insulation reaction 1 hour, cools down, is filtered, washed, drying, powder than being 15:1
It is broken, obtain the modified nano calcium carbonate.
Butyl Acrylate Monomer is grafted on nano-calcium carbonate particles surface by using the above method by the present invention, and property is made
Matter is stablized, and with the good modified nano calcium carbonate of aqueous ceramic coating raw material compatibility, makes it that can be homogeneously dispersed in aqueous pottery
In porcelain coating system, be conducive to the comprehensive performance for improving aqueous ceramic coating.And graft on the organic of nanometer calcium carbonate surface
Floor and silicone-resin matrix form elasticity transition area, and impact energy is absorbed when aqueous ceramic coating is impacted, thus, it grafts on
The Butyl Acrylate Monomer on nanometer calcium carbonate surface plays the effect that collaboration increases aqueous ceramic coating scratch-proofness.
The partial size of the nano silica is 50-120nm；The partial size of the nano zine oxide is 50-120nm；It is described
The partial size of nanometer silicon carbide is 50-120nm；Wherein, nano zine oxide, titanium dioxide are mixed according to above-mentioned parts by weight therebetween,
Optimal complementation is reached, so that ceramic coating of the invention has the function of antibacterial.
The resistance to of aqueous ceramic coating is not only increased by addition nano silica, nano zine oxide, nanometer silicon carbide
Mill property, meanwhile, the mobility of aqueous ceramic coating is also added, the surface tension of substance, nano silica, nano oxygen are reduced
Change zinc, nanometer silicon carbide are added in aqueous ceramic coating, can be received to aqueous ceramic coating raw material particle surface properties
Riceization is modified, and makes aqueous ceramic coating raw material is evengranular to scatter；The fortune of adjustable aqueous ceramic coating raw material particle
Property is moved, aqueous ceramic coating raw material dispersibility is improved, shortens jitter time, and then improves the caking property of aqueous ceramic coating, resist
Fragility.
The present invention improves aqueous ceramic and applies by using the silica, nano zine oxide, nanometer silicon carbide of above-mentioned partial size
The compatibility of the system of material makes manufactured aqueous ceramic coating have good wearability, resistance to soiling.
When the partial size of nano silica, nano zine oxide, nanometer silicon carbide is excessive, aqueous ceramic coating table obtained
Face is coarse, and rigidity is excessive, and shock resistance decline is easy hair when the partial size of aqueous ceramic coating is too small when raw material mixes
Raw agglomeration, prevents raw material from being homogeneously dispersed in aqueous ceramic coating system, will affect aqueous ceramic coating obtained
Wearability, resistance to soiling.
The partial size of the hollow ceramic particle is 50-70 μm, 1-2 μm of wall thickness.Compact arranged hollow ceramic of the invention
Interparticle contains thin gas, and thermal coefficient is low, so there is aqueous ceramic paint coatings certain heat-insulation and heat-preservation to imitate
Fruit, hollow ceramic particle can also effectively enhance flowing, the levelability of coating；Have preferably in hollow ceramic particle containing gas
Cold-and-heat resistent shrinkage greatly reduces aqueous ceramic paint coatings because being expanded with heat and contract with cold to enhance the elasticity and scratch-proofness of coating
And causes to crack and fall off.
The levelling agent is butyl cellulose.
Every part of solvent naphtha is made of the following components:
10-15 parts of soybean oil
8-10 parts of olive oil
6-8 parts of palm oil
5-7 parts of sunflower oil
10-15 parts of the tert-butyl alcohol.
Preferably, every part of solvent naphtha is made of the following components:
13 parts of soybean oil
9 parts of olive oil
7 parts of palm oil
6 parts of sunflower oil
13 parts of the tert-butyl alcohol.
The present invention is using soybean oil, olive oil, palm oil, sunflower oil, the tert-butyl alcohol as solvent naphtha, and raw material is easily purchased, cost
It is low, do not contain petroleum mineral oil component, meanwhile, soybean oil can also play the role of it is anti-oxidant and, so that the present invention it is made
The ceramic coating obtained has good inoxidizability；Solvent naphtha of the invention is easy the characteristics such as degradation, hypotoxicity and low VOC, drop
The low pollution to environment.
The second object of the present invention is: providing a kind of preparation method of aqueous ceramic coating, comprising the following steps:
(1) by 60-80 parts of silicone resin, 30-40 parts of titanium dioxides, 5-10 parts of nano silicas, 5-10 parts of nano zine oxides,
5-10 parts of modified nano calcium carbonates, 8-11 parts of hollow ceramic particles, 5-8 parts of nanometer silicon carbides, 5-7 parts of solvent naphthas, 2-3 parts of levellings
Agent sequentially adds in feeding barrel, is stirred at revolving speed 800r/min with high speed disperser, is warming up to 50 DEG C, continues to stir 1h, instead
It is cooled to room temperature after answering；
(2) material after step (1) reaction is ground with grinder, so that the partial size of final material is less than 5 μm, i.e.,
Obtain the aqueous ceramic coating.
The third object of the present invention is: providing a kind of ceramic coating, the ceramic coating, by above-mentioned aqueous ceramic coating
Or aqueous ceramic coating made from above-mentioned preparation method is cured, obtains after sintering；The cured temperature is 55-75 DEG C,
The cured time is 8-15min, and the temperature of the sintering is 200-300 DEG C, and the time of the sintering is 15-25min.
Beneficial effect
1, aqueous ceramic coating hardness is high, and flexibility is good, and wear-resisting, resistant, scratch-resistant performance are good；By adding nanometer two
Silica, nano zine oxide, nanometer silicon carbide not only increase the wearability of aqueous ceramic coating, meanwhile, but also of the invention
Ceramic coating have the function of antibacterial；
2, Butyl Acrylate Monomer is grafted on nano-calcium carbonate particles surface by using the above method by the present invention, is made
Property is stablized, and with the good modified nano calcium carbonate of aqueous ceramic coating raw material compatibility, be homogeneously dispersed in it can aqueous
In ceramic coating system, be conducive to the comprehensive performance for improving aqueous ceramic coating.And graft on having for nanometer calcium carbonate surface
Machine floor and silicone-resin matrix form elasticity transition area, and impact energy is absorbed when aqueous ceramic coating is impacted, thus, grafting
Collaboration increases the effect of aqueous ceramic coating scratch-proofness in the Butyl Acrylate Monomer on nanometer calcium carbonate surface；Hollow ceramic is micro-
Intragranular contains gas and greatly reduces aqueous pottery to enhance the elasticity and scratch-proofness of coating with preferable cold-and-heat resistent shrinkage
Porcelain coating coating causes to crack and fall off because being expanded with heat and contract with cold.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of aqueous ceramic coating, including following component:
Every part of modified nano calcium carbonate the preparation method is as follows:
(1) ethanol solution for the 20wt% silane coupling agent that mass ratio is 6:1 is stirred with nanometer calcium carbonate,
It is ultrasonically treated 20min, vacuum drying recycling ethyl alcohol, is made silane coupler modified nanometer calcium carbonate after ultrasound；
(2) silane coupler modified nanometer calcium carbonate made from step (1) is added in deionized water, adds dodecane
Base sodium sulfonate, ultrasonic disperse 30min obtain lotion；Wherein, the silane coupler modified nanometer calcium carbonate, deionized water, 12
The mass ratio of sodium alkyl sulfonate is 1:10:0.2；
(3) lotion made from step (2) is heated to 60 DEG C under agitation, under a nitrogen atmosphere, according to persulfuric acid
Ammonium and the mass ratio of silane coupler modified nanometer calcium carbonate are that ammonium persulfate is added in 5:1；
(4) continue temperature and rise to 75 DEG C, according to the matter of Butyl Acrylate Monomer and silane coupler modified nanometer calcium carbonate
Amount is added dropwise Butyl Acrylate Monomer, after being added dropwise, insulation reaction 1 hour, cools down, is filtered, washed, drying, powder than being 15:1
It is broken, obtain the modified nano calcium carbonate.
The partial size of the nano silica is 50nm；The partial size of the nano zine oxide is 50nm；The nano silicon carbide
The partial size of silicon is 50nm；
The partial size of the hollow ceramic particle is 50 μm, 1 μm of wall thickness.
The levelling agent is butyl cellulose.
Every part of solvent naphtha is made of the following components:
10 parts of soybean oil
8 parts of olive oil
6 parts of palm oil
5 parts of sunflower oil
10 parts of the tert-butyl alcohol.
The preparation method of above-mentioned aqueous ceramic coating, comprising the following steps:
(1) silicone resin, titanium dioxide, nano silica, nano zine oxide, modified nano-meter caco 3 are taken by above-mentioned parts by weight
Calcium, hollow ceramic particle, nanometer silicon carbide, solvent naphtha, levelling agent sequentially add in feeding barrel, with high speed disperser in revolving speed
It is stirred under 800r/min, is warming up to 50 DEG C, continued to stir 1h, be cooled to room temperature after completion of the reaction；
(2) by step (1) reaction after material ground with grinder so that the partial size of final material be 2 μm to get
To the aqueous ceramic coating.
The aqueous ceramic coating as made from above-mentioned aqueous ceramic coating or above-mentioned preparation method is cured, obtains after sintering
Ceramic coating；The cured temperature is 55 DEG C, and the cured time is 8min, and the temperature of the sintering is 200 DEG C, described
The time of sintering is 15min.
Embodiment 2
A kind of aqueous ceramic coating, including following component:
Every part of modified nano calcium carbonate the preparation method is as follows:
(1) ethanol solution for the 20wt% silane coupling agent that mass ratio is 6:1 is stirred with nanometer calcium carbonate,
It is ultrasonically treated 20min, vacuum drying recycling ethyl alcohol, is made silane coupler modified nanometer calcium carbonate after ultrasound；
(2) silane coupler modified nanometer calcium carbonate made from step (1) is added in deionized water, adds dodecane
Base sodium sulfonate, ultrasonic disperse 30min obtain lotion；Wherein, the silane coupler modified nanometer calcium carbonate, deionized water, 12
The mass ratio of sodium alkyl sulfonate is 1:10:0.2；
(3) lotion made from step (2) is heated to 60 DEG C under agitation, under a nitrogen atmosphere, according to persulfuric acid
Ammonium and the mass ratio of silane coupler modified nanometer calcium carbonate are that ammonium persulfate is added in 5:1；
(4) continue temperature and rise to 75 DEG C, according to the matter of Butyl Acrylate Monomer and silane coupler modified nanometer calcium carbonate
Amount is added dropwise Butyl Acrylate Monomer, after being added dropwise, insulation reaction 1 hour, cools down, is filtered, washed, drying, powder than being 15:1
It is broken, obtain the modified nano calcium carbonate.
The partial size of the nano silica is 80nm；The partial size of the nano zine oxide is 80nm；The nano silicon carbide
The partial size of silicon is 80nm；
The partial size of the hollow ceramic particle is 60 μm, 2 μm of wall thickness.
The levelling agent is butyl cellulose.
Every part of solvent naphtha is made of the following components:
13 parts of soybean oil
9 parts of olive oil
7 parts of palm oil
6 parts of sunflower oil
13 parts of the tert-butyl alcohol.
The preparation method of above-mentioned aqueous ceramic coating, comprising the following steps:
(1) silicone resin, titanium dioxide, nano silica, nano zine oxide, modified nano-meter caco 3 are taken by above-mentioned parts by weight
Calcium, hollow ceramic particle, nanometer silicon carbide, solvent naphtha, levelling agent sequentially add in feeding barrel, with high speed disperser in revolving speed
It is stirred under 800r/min, is warming up to 50 DEG C, continued to stir 1h, be cooled to room temperature after completion of the reaction；
(2) by step (1) reaction after material ground with grinder so that the partial size of final material be 2 μm to get
To the aqueous ceramic coating.
The aqueous ceramic coating as made from above-mentioned aqueous ceramic coating or above-mentioned preparation method is cured, obtains after sintering
Ceramic coating；The cured temperature is 65 DEG C, and the cured time is 12min, and the temperature of the sintering is 250 DEG C, institute
The time for stating sintering is 20min.
Embodiment 3
A kind of aqueous ceramic coating, including following component:
Every part of modified nano calcium carbonate the preparation method is as follows:
(1) ethanol solution for the 20wt% silane coupling agent that mass ratio is 6:1 is stirred with nanometer calcium carbonate,
It is ultrasonically treated 20min, vacuum drying recycling ethyl alcohol, is made silane coupler modified nanometer calcium carbonate after ultrasound；
(2) silane coupler modified nanometer calcium carbonate made from step (1) is added in deionized water, adds dodecane
Base sodium sulfonate, ultrasonic disperse 30min obtain lotion；Wherein, the silane coupler modified nanometer calcium carbonate, deionized water, 12
The mass ratio of sodium alkyl sulfonate is 1:10:0.2；
(3) lotion made from step (2) is heated to 60 DEG C under agitation, under a nitrogen atmosphere, according to persulfuric acid
Ammonium and the mass ratio of silane coupler modified nanometer calcium carbonate are that ammonium persulfate is added in 5:1；
(4) continue temperature and rise to 75 DEG C, according to the matter of Butyl Acrylate Monomer and silane coupler modified nanometer calcium carbonate
Amount is added dropwise Butyl Acrylate Monomer, after being added dropwise, insulation reaction 1 hour, cools down, is filtered, washed, drying, powder than being 15:1
It is broken, obtain the modified nano calcium carbonate.
The partial size of the nano silica is in 120nm；The partial size of the nano zine oxide is 120nm；The nano-sized carbon
The partial size of SiClx is 120nm；
The partial size of the hollow ceramic particle is 70 μm, 2 μm of wall thickness.
The levelling agent is butyl cellulose.
Every part of solvent naphtha is made of the following components:
15 parts of soybean oil
10 parts of olive oil
8 parts of palm oil
7 parts of sunflower oil
15 parts of the tert-butyl alcohol.
The preparation method of above-mentioned aqueous ceramic coating, comprising the following steps:
(1) silicone resin, titanium dioxide, nano silica, nano zine oxide, modified nano-meter caco 3 are taken by above-mentioned parts by weight
Calcium, hollow ceramic particle, nanometer silicon carbide, solvent naphtha, levelling agent sequentially add in feeding barrel, with high speed disperser in revolving speed
It is stirred under 800r/min, is warming up to 50 DEG C, continued to stir 1h, be cooled to room temperature after completion of the reaction；
(2) by step (1) reaction after material ground with grinder so that the partial size of final material be 2 μm to get
To the aqueous ceramic coating.
The aqueous ceramic coating as made from above-mentioned aqueous ceramic coating or above-mentioned preparation method is cured, obtains after sintering
Ceramic coating；The cured temperature is 75 DEG C, and the cured time is 15min, and the temperature of the sintering is 300 DEG C, institute
The time for stating sintering is 25min.
Comparative example 1
It is in place of comparative example 1 and the difference of embodiment 2, comparative example 1 does not add modified nano calcium carbonate.
Comparative example 2
It is in place of comparative example 2 and the difference of embodiment 2, comparative example 2 does not add hollow ceramic particle.
Comparative example 3
Comparative example 3 the difference from example 2 is that, the partial size of the nano silica of comparative example 3 is 150nm；It is described to receive
The partial size of rice zinc oxide is 150nm；The partial size of the nanometer silicon carbide is 150nm.
Comparative example 4 is the aqueous ceramic coating using certain model in the market.
Performance test
By the adhesion, impact resistance, pencil hardness H etc. of ceramic coating made from above-described embodiment 1-3 and comparative example 1-4
Various tests；
Coating made from aqueous epoxy resins fireproof coating of the invention be can be seen that from the comparison of upper table with good
Wearability, resistance to soiling, scratch-proofness.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (10)
1. a kind of aqueous ceramic coating, it is characterised in that: including following component:
2. aqueous ceramic coating as described in claim 1, it is characterised in that: including following component:
3. aqueous ceramic coating as claimed in claim 1 or 2, it is characterised in that: the system of every part of modified nano calcium carbonate
Preparation Method is as follows:
(1) ethanol solution for the 20wt% silane coupling agent that mass ratio is 6:1 is stirred with nanometer calcium carbonate, ultrasound
20min is handled, vacuum drying recycling ethyl alcohol, is made silane coupler modified nanometer calcium carbonate after ultrasound；
(2) silane coupler modified nanometer calcium carbonate made from step (1) is added in deionized water, adds dodecyl sulphur
Sour sodium, ultrasonic disperse 30min obtain lotion；Wherein, the silane coupler modified nanometer calcium carbonate, deionized water, dodecyl
The mass ratio of sodium sulfonate is 1:10:0.2；
(3) lotion made from step (2) is heated to 60 DEG C under agitation, under a nitrogen atmosphere, according to ammonium persulfate with
The mass ratio of silane coupler modified nanometer calcium carbonate is that ammonium persulfate is added in 5:1；
(4) continue temperature and rise to 75 DEG C, according to the mass ratio of Butyl Acrylate Monomer and silane coupler modified nanometer calcium carbonate
For 15:1, Butyl Acrylate Monomer is added dropwise, after being added dropwise, insulation reaction 1 hour, cools down, be filtered, washed, dry, crush,
Obtain the modified nano calcium carbonate.
4. aqueous ceramic coating as described in claim 1, it is characterised in that: the partial size of the nano silica is 50-
120nm；The partial size of the nano zine oxide is 50-120nm；The partial size of the nanometer silicon carbide is 50-120nm.
5. aqueous ceramic coating as described in claim 1, it is characterised in that: the partial size of the hollow ceramic particle is 50-70 μ
M, 1-2 μm of wall thickness.
6. aqueous ceramic coating as described in claim 1, it is characterised in that: the levelling agent is butyl cellulose.
7. aqueous ceramic coating as described in claim 1, it is characterised in that: every part of solvent naphtha is made of the following components:
10-15 parts of soybean oil
8-10 parts of olive oil
6-8 parts of palm oil
5-7 parts of sunflower oil
10-15 parts of the tert-butyl alcohol.
8. aqueous ceramic coating as claimed in claim 7, it is characterised in that: every part of solvent naphtha is made of the following components:
13 parts of soybean oil
9 parts of olive oil
7 parts of palm oil
6 parts of sunflower oil
13 parts of the tert-butyl alcohol.
9. a kind of preparation method of such as described in any item aqueous ceramic coating of claim 1-8, it is characterised in that including following
Step:
(1) by 60-80 parts of silicone resin, 30-40 parts of titanium dioxides, 5-10 parts of nano silicas, 5-10 parts of nano zine oxides, 5-10
Part modified nano calcium carbonate, 8-11 parts of hollow ceramic particles, 5-8 parts of nanometer silicon carbides, 5-7 parts of solvent naphthas, 2-3 parts of levelling agents according to
It in secondary addition feeding barrel, is stirred at revolving speed 800r/min with high speed disperser, is warming up to 50 DEG C, continued to stir 1h, react
It is cooled to room temperature after finishing；
(2) material after step (1) reaction is ground with grinder, so that the partial size of final material is arrived less than 5 μm
The aqueous ceramic coating.
10. a kind of ceramic coating, by described in any item aqueous ceramic coating of claim 1-8 or as claimed in claim 9
Aqueous ceramic coating made from preparation method is cured, obtains after sintering；The cured temperature is 55-75 DEG C, the solidification
Time be 8-15min, the temperature of the sintering is 200-300 DEG C, and the time of the sintering is 15-25min.
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