CN109880510A - A kind of resistance to oxidation uvioresistant paint and preparation method thereof - Google Patents
A kind of resistance to oxidation uvioresistant paint and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to technical field of coatings, and in particular to a kind of resistance to oxidation uvioresistant paint and preparation method thereof.The coating includes following component according to parts by weight: 55~65 parts of emulsion acrylic resin, 10~15 parts of light stabilizer, 15~20 parts of pigments and fillers, 5~8 parts of curing agent, 3~5 parts of auxiliary agent.A kind of resistance to oxidation uvioresistant paint of the invention and preparation method thereof, paint solidification have hardness height, high abrasion after forming a film, have very strong adhesive force, good water resistance, weatherability and chemical resistance in various substrates；Response type light stabilizer has the advantages that compatibility is good, UV absorption is strong, so that resinous polymer degradation speed slows down significantly, to improve the protective value of film, prolongs the service life.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of resistance to oxidation uvioresistant paint and preparation method thereof.
Background technique
Coating is a kind of material, and this material can be coated in object surface with different construction technologies, form adherency jail
Gu, there is some strength, continuous solid film, the film common name film formed in this way, also known as paint film or coating.Coating can
Play protection, decoration, mark or other specific uses.However as the continuous development of science and technology, social is constantly progressive, people
The consciousness of environmental protection is continuously improved, some high pollutions and harmful coating for influencing people's health and environment are gradually replaced
Or cancel.And contain a large amount of volatilizable organic compound (VOC), organic compound in now widely used solvent based coating
Object (VOC) is toxic, inflammable, pollutes the atmosphere, and all causes damages to environment and human body；Therefore traditional solvent type coating, paint and
Adhesives industry by high pollution, high energy consumption, be very dependent on petroleum industry product traditional category be increasingly turned to environment friend
Good, resource and energy conservation type product, various environment-friendly type kinds continue to bring out, wherein water paint and aqueous binder industry
Achieve significant progress.Therefore, in order to reduce pollution of these organic solvents to environment, water paint is included in by China
The developing direction of industrial coating from now on.Water paint is low with price, uses safe, saving resource and the energy, reduction environment dirt
The advantages that dye and public hazards, thus have become the Main way of current development coatings industry.Wherein water-based acrylic resin coating is
Pollution-free coating with fastest developing speed in water paint, kind is most.
Acrylic resin is the general name of acrylic acid, methacrylic acid and its derivative polymer, and acrylic resin is by third
Olefin(e) acid esters and methyl acrylic ester and other olefinic type monomers be copolymerized made of resin, by select different resin structures,
Different formula, production technology and solvent compositions, can synthesize the acrylic acid of different type, different performance and different application
Resin.For many years, Chinese acrylic resin industry development is rapid, and product output is persistently expanded, and national industrial policies encourage propylene
Acid resin industry develops to high-tech product direction, and domestic enterprise's newly-increased investment project investment gradually increases.Investor is to propylene
The concern of acid resin industry is more and more closer, this increases the developmental research demand of acrylic resin industry.But China's mesh
Preceding its chemical resistance of the aqueous industrial coating applied on floor paint, metallic anti-rust paint and marine paint, wearability and weather-proof
Property is undesirable.Therefore, how further to improve chemical resistance, wearability and resistance to oxidation, the uvioresistant category of acrylic coating
Property, it is an important research direction to improve its comprehensive performance, while being also beneficial to expand the application neck of acrylic coating
Domain.
Summary of the invention
In view of the deficiencies of the prior art, it is imitated the purpose of the present invention is to provide a kind of with excellent resistance to oxidation, uvioresistant
Fruit is excellent, resistance to oxidation uvioresistant paint of long action time and effect stability and preparation method thereof.
To achieve the goals above, the present invention adopts the following technical scheme that:
A kind of resistance to oxidation uvioresistant paint includes following component according to parts by weight:
55~65 parts of emulsion acrylic resin；
10~15 parts of light stabilizer；
15~20 parts of pigments and fillers；
5~8 parts of curing agent；
3~5 parts of auxiliary agent.
Further, acrylate modified multiple emulsion described above is 5~10 parts of styrene monomer modification acrylates
Lotion, 8~12 parts of polyurethane-modified polyacrylate lotions, 5~8 parts of epoxy resin modification acrylic acid ester emulsions, 10~15 parts have
Machine acrylate emulsion modified with organosiloxane, 3~8 parts of Hydroxylated acrylic resin lotion are combined, and solid part is 60~65%, specific gravity
For 1.05~1.15g/cm3, viscosity is 5500~6500cp at room temperature, and acid value is 8~12mg KOH/g.
Further, the structure of light stabilizer described above is as follows:
Further, light stabilizer described above is prepared via a method which:
It (1) is (the 1- isopropyl piperidin-4-yl) acetic acid and 8- nonyl of 1:1.5~2 by molar ratio under the conditions of nitrogen atmosphere
Alkene -2,4- glycol is added in reaction kettle, and using toluene as solvent, the additional amount and system reactant quality ratio of toluene are 5:1,
Temperature is increased to 60 DEG C, is uniformly mixed, the hydroquinone of polymerization retarder and Zhan Fanying for accounting for reaction system quality 0.3% is added
The catalyst p-methyl benzenesulfonic acid of system quality 1%, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, and is post-processed
Intermediate product is obtained, reaction equation is as follows:
(2) under the conditions of nitrogen atmosphere, by molar ratio be 1:1.1~1.5 the step of (1) intermediate product and 3- (3,5- bis-
Tert-butyl-hydroxy phenyl) propionic acid is added in reaction kettle, solvent, the additional amount and system reactive material of toluene are made with toluene
Amount increases temperature to 60 DEG C, is uniformly mixed, the polymerization inhibitor 1,4-benzoquinone for accounting for reaction system quality 0.3% is added than being 5:1
With the catalyst concentrated sulfuric acid for accounting for reaction system quality 1%, side stirring, which becomes, increases temperature, and 8~12h of back flow reaction is cooled to room
Temperature post-processes to obtain target product, and reaction equation is as follows:
Further, pigments and fillers described above are by processed 10~15 parts of talcum powder of silane coupling agent KH570 5
~10 parts of barites, 8~10 parts of calcium carbonate, the mixture of 3~8 parts of mica powders, particle diameter distribution are 0.1~1 μm.
Further, curing agent described above is isocyanate curing agent, is specially hexamethylene diisocyanate three
One of aggressiveness, isophorone diisocyanate trimer, hexamethylene diisocyanate biruet or more than one is mixed
Close object.
Further, auxiliary agent described above is by 3~8 parts of defoaming agent, 5~10 parts of levelling agent, 5~10 parts of anti-settling agent, thickening
15~20 parts of 1~3 part of agent, 5~8 parts of wetting agent, deionized water mixing compositions.
Further, defoaming agent described above is organic silicon defoamer, and BYK066N, levelling agent selected from Bi Ke chemistry are
Fluorin modified crylic acid polymer, NFS6400, anti-settling agent selected from Weihai Singapore dollar chemical industry are the N monomethyl pyrrolidines of modified polyurea
Ketone solution, BYK-410, thickener selected from Bi Ke chemistry are polyurethane thickener, selected from Ai Di section, Japan UH-752, wetting
Agent is polyoxyethylene alkyl aryl ether, is selected from Hai'an petrochemical plant.
Further, a kind of preparation method of resistance to oxidation uvioresistant paint, specifically comprises the following steps:
(1) component formula is pressed, emulsion acrylic resin, light stabilizer, auxiliary agent are mixed and are added in production tank, is in temperature
80-100 DEG C, revolving speed is that 1200-2000r/min condition stirs 2-3h；
(2) material in step (1) is cooled to 50-60 DEG C, pigments and fillers is added, set using vertical sand milling or horizontal sand milling
The standby slurry granularity that is ground to is 20-40 μm, that is, is made
(3) stop grinding, curing agent is added, disperse 20-30min, filtering is fitted into paint vehicle bucket to get anti-to resistance to oxidation
Ultraviolet coating.
Further, a kind of resistance to oxidation uvioresistant paint described above, can be applied to floor paint, floor coatings, metal
Surface rust protection paint, marine paint, automobile light industrial products field.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1. a kind of resistance to oxidation uvioresistant paint of the invention and preparation method thereof selects the third of compounding by test of many times
Olefin(e) acid resin, the advantages of combining a variety of specific function gene acrylic resins, each resin compatible is good, with consolidating for selection
Agent reaction speed is fast, and reaction condition is mild, and curing time is short, and film integrity is good, so that paint solidification of the invention forms a film
There is hardness height, high abrasion afterwards, have very strong adhesive force, good water resistance, weatherability and chemically-resistant in various substrates
Property.
2. a kind of resistance to oxidation uvioresistant paint of the invention and preparation method thereof, the homemade light stabilizer of addition, structure
The film-forming resin of upper ester group rich in, hydroxyl and double bond, this and system has preferable compatibility, and these activity
Group can participate in reacting in paint solidification, pass through three-dimensional netted point for being fixed on film-forming resin of the effect of chemical crosslinking
On son, effectively overcomes conventional anti ultraviolet agent and resin system poor compatibility and be easy the shortcomings that being precipitated.
3. a kind of resistance to oxidation uvioresistant paint of the invention and preparation method thereof, the cured friendship of light stabilizer is connected in film
In structure, the piperidines that contains can most of energy is high, to the harmful UV Vis absorption of high molecular polymer so that tree
Lipopolymer degradation speed slows down significantly, to improve the protective value of film, prolongs the service life.
4. a kind of resistance to oxidation uvioresistant paint of the invention and preparation method thereof, surface-treated by silane coupling agent
Compound pigments and fillers are uniformly dispersed by test of many times convenient for the dispersion in resin system, do not reunite, and dispersion effect is good；It receives
Scale particles diameter, the characteristic advantage of Large ratio surface cracking can form fine and close net bridging structure, to oxygen or corrosivity
Gas forms one of impassable barrier, so that largely to enhance its resistance to for the acrylic resin paint of crosslinking curing
Aoxidize ultra-violet radiation resisting ability.
5. a kind of resistance to oxidation uvioresistant paint of the invention and preparation method thereof, preparation method is simple, easily operated, raw material
It is from a wealth of sources, it is at low cost, it is environment friendly and pollution-free；The coating applications of preparation are extensive, can be used as floor paint, floor coatings, metal watch
Face antirust paint, marine paint, automobile light industrial products are used.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the nuclear magnetic spectrogram of light stabilizer step intermediate product prepared by the present invention.
Fig. 2 is the infrared spectrum of light stabilizer step intermediate product prepared by the present invention.
Fig. 3 is the nuclear magnetic spectrogram of target product light stabilizer prepared by the present invention.
Fig. 4 is the infrared spectrum of target product light stabilizer prepared by the present invention.
Specific embodiment
Presently in connection with embodiment, the present invention is described in further detail.
Embodiment 1
A kind of resistance to oxidation uvioresistant paint includes following component according to parts by weight:
60 parts of emulsion acrylic resin；
15 parts of light stabilizer；
18 parts of pigments and fillers；
7 parts of isophorone diisocyanate trimer；
4 parts of auxiliary agent.
The acrylate modified multiple emulsion is 8 parts of styrene monomer modified acrylate emulsions, 10 parts of polyurethane
Modified acrylate emulsion, 8 parts of epoxy resin modification acrylic acid ester emulsions, 15 parts of organosilicon-modified acrylate emulsions, hydroxyl
5 parts of emulsion acrylic resin are combined, and solid part is 62%, specific gravity 1.10g/cm3, viscosity is 6000cp, acid at room temperature
Valence is 10mg KOH/g.
The light stabilizer is prepared via a method which:
(1) under the conditions of nitrogen atmosphere, (1- isopropyl piperidin-4-yl) acetic acid and nonene -2 8- by molar ratio for 1:1.5,
4- glycol is added in reaction kettle, and using toluene as solvent, the additional amount and system reactant quality ratio of toluene are 5:1, increases temperature
Degree is uniformly mixed to 60 DEG C, and the hydroquinone of polymerization retarder for accounting for reaction system quality 0.3% is added and accounts for reaction system matter
The catalyst p-methyl benzenesulfonic acid of amount 1%, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, post-processes intermediate
Product；
1H NMR (DMSO, 400MHz), nuclear-magnetism characteristic absorption spectrogram: δ=5.81~5.88 (a, 1H), δ=5.12~
5.25 (b, 2H), δ=4.55~4.62 (c, 1H), δ=4.41~4.49 (d, 1H), δ=3.38~3.44 (e, 1H), δ=
2.68~2.71 (f, 1H), δ=2.41~2.48 (g, 4H), δ=2.31~2.36 (h, 1H), δ=1.93~1.98 (i,
4H), δ=1.89~1.92 (j, 2H), δ=1.61~1.66 (k, 2H), δ=1.39~1.44 (l, 4H), δ=1.30~
1.34 (m, 3H), δ=1.01~1.05 (n, 6H) (nuclear magnetic spectrogram is as shown in Figure 1).
From the infrared spectrum of Fig. 2 it can be seen that 3350-3470cm-1For hydroxyl stretching vibration absworption peak, 2966,2875cm-1For-CH3With-CH2Stretching vibration absworption peak, 1745cm-1For ester C=O stretching vibration absworption peak, 1648-1658cm-1For C=C
Stretching vibration absworption peak, 1465cm-1For-CH on piperidine ring2Stretching vibration absworption peak, the stretching vibration or bending vibration at other peaks
Dynamic peak shows in infrared spectrum.
(2) under the conditions of nitrogen atmosphere, by molar ratio be 1:1.3 the step of (1) intermediate product and 3- (3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid is added in reaction kettle, solvent, the additional amount and system reactant quality ratio of toluene are made with toluene
For 5:1, temperature being increased to 60 DEG C, is uniformly mixed, the polymerization inhibitor 1,4-benzoquinone for accounting for reaction system quality 0.3% is added and accounts for
The catalyst concentrated sulfuric acid of reaction system quality 1%, side stirring, which becomes, increases temperature, and back flow reaction 10h is cooled to room temperature, and is post-processed
Obtain target product.
1H NMR (DMSO, 400MHz), nuclear-magnetism characteristic absorption spectrogram: δ=6.84~6.89 (a, 2H), δ=6.68~
6.72 (b, 1H), δ=5.82~5.88 (c, 1H), δ=5.13~5.25 (d, 2H), δ=4.62~4.67 (e, 1H), δ=
4.41~4.49 (f, 1H), δ=2.82~2.86 (g, 2H), δ=2.68~2.71 (h, 1H), δ=2.58~2.61 (i,
2H), δ=2.41~2.48 (j, 4H), δ=1.93~1.98 (l, 4H), δ=1.61~1.66 (l, 2H), δ=1.39~
1.44 (m, 2H), δ=1.30~1.34 (n, 2H), δ=1.01~1.05 (n, 24H), (nuclear magnetic spectrogram is as shown in Figure 3).
From the infrared spectrum of Fig. 4 it can be seen that 3355-3475cm-1For hydroxyl stretching vibration absworption peak, 3000-3100cm-1For the unsaturated hydrocarbon stretching vibration absworption peak of phenyl ring, 2965,2880cm-1For-CH3With-CH2Stretching vibration absworption peak,
1745cm-1For ester C=O stretching vibration absworption peak, absorption peak enhancing, 1648-1658cm-1For C=C stretching vibration absworption peak,
1465cm-1For-CH on piperidine ring2Stretching vibration absworption peak, the stretching vibration at other peaks or flexural vibrations peak are in INFRARED SPECTRUM
Figure shows.
The pigments and fillers are by the processed 12 parts of talcum powder of silane coupling agent KH570,10 parts of barites, 8 parts of carbon
Sour calcium, the mixture of 5 parts of mica powders, particle diameter distribution are 0.1 μm.
Further, auxiliary agent described above is by 5 parts of organic silicon defoamer, BYK066N, fluorine richness third selected from Bi Ke chemistry
8 parts of olefin(e) acid polymer, the N monomethyl pyrrolidone solution 10 of NFS64008 part, modified polyurea selected from Weihai Singapore dollar chemical industry
Part, 3 parts of BYK-410, polyurethane thickener selected from Bi Ke chemistry are selected from Ai Di section, Japan UH-752, polyoxyethylene alkaryl
8 parts of ether, selected from 15 parts of Hai'an petrochemical plant, deionized water mixing compositions.
Further, defoaming agent described above is organic silicon defoamer, and BYK066N, levelling agent selected from Bi Ke chemistry are
Fluorin modified crylic acid polymer, NFS6400, anti-settling agent selected from Weihai Singapore dollar chemical industry are the N monomethyl pyrrolidines of modified polyurea
Ketone solution, BYK-410, thickener selected from Bi Ke chemistry are polyurethane thickener, selected from Ai Di section, Japan UH-752, wetting
Agent is polyoxyethylene alkyl aryl ether, is selected from Hai'an petrochemical plant.
A kind of preparation method of resistance to oxidation uvioresistant paint, specifically comprises the following steps:
(1) component formula is pressed, emulsion acrylic resin, light stabilizer, auxiliary agent are mixed and are added in production tank, is in temperature
80 DEG C, revolving speed is that 1500r/min condition stirs 3h；
(2) material in step (1) is cooled to 55 DEG C, pigments and fillers is added, use vertical sand milling or horizontal sand milling device
Being ground to slurry granularity is 30 μm, that is, is made
(3) curing agent is added in stopping grinding, disperses 25min, and filtering is fitted into paint vehicle bucket to get resistance to oxidation uvioresistant is arrived
Coating.
Embodiment 2
A kind of resistance to oxidation uvioresistant paint includes following component according to parts by weight:
55 parts of emulsion acrylic resin；
14 parts of light stabilizer；
15 parts of pigments and fillers；
5 parts of hexamethylene diisocyanate trimer；
3 parts of auxiliary agent.
The acrylate modified multiple emulsion is 10 parts of styrene monomer modified acrylate emulsions, 8 parts of polyurethane
Modified acrylate emulsion, 5 parts of epoxy resin modification acrylic acid ester emulsions, 10 parts of organosilicon-modified acrylate emulsions, hydroxyl
4 parts of emulsion acrylic resin are combined, and solid part is 60%, specific gravity 1.05g/cm3, viscosity is 5500cp, acid at room temperature
Valence is 8mg KOH/g.
The light stabilizer is prepared via a method which:
(1) under the conditions of nitrogen atmosphere, (1- isopropyl piperidin-4-yl) acetic acid and nonene -2 8- by molar ratio for 1:1.8,
4- glycol is added in reaction kettle, and using toluene as solvent, the additional amount and system reactant quality ratio of toluene are 5:1, increases temperature
Degree is uniformly mixed to 60 DEG C, and the hydroquinone of polymerization retarder for accounting for reaction system quality 0.3% is added and accounts for reaction system matter
The catalyst p-methyl benzenesulfonic acid of amount 1%, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, post-processes intermediate
Product；
(2) under the conditions of nitrogen atmosphere, by molar ratio be 1:1.1 the step of (1) intermediate product and 3- (3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid is added in reaction kettle, solvent, the additional amount and system reactant quality ratio of toluene are made with toluene
For 5:1, temperature being increased to 60 DEG C, is uniformly mixed, the polymerization inhibitor 1,4-benzoquinone for accounting for reaction system quality 0.3% is added and accounts for
The catalyst concentrated sulfuric acid of reaction system quality 1%, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, and is post-processed
Obtain target product.
The pigments and fillers are by the processed 10 parts of talcum powder of silane coupling agent KH570,9 parts of barites, 10 parts of carbon
Sour calcium, the mixture of 4 parts of mica powders, particle diameter distribution are 0.5 μm.
Further, auxiliary agent described above is by 3 parts of organic silicon defoamer, BYK066N, fluorine richness third selected from Bi Ke chemistry
6 parts of olefin(e) acid polymer, 5 parts of the N monomethyl pyrrolidone solution of NFS64008 part, modified polyurea selected from Weihai Singapore dollar chemical industry,
1 part of BYK-410, polyurethane thickener selected from Bi Ke chemistry are selected from Ai Di section, Japan UH-752, polyoxyethylene alkyl aryl ether 5
Part, selected from 18 parts of Hai'an petrochemical plant, deionized water mixing compositions.
Further, defoaming agent described above is organic silicon defoamer, and BYK066N, levelling agent selected from Bi Ke chemistry are
Fluorin modified crylic acid polymer, NFS6400, anti-settling agent selected from Weihai Singapore dollar chemical industry are the N monomethyl pyrrolidines of modified polyurea
Ketone solution, BYK-410, thickener selected from Bi Ke chemistry are polyurethane thickener, selected from Ai Di section, Japan UH-752, wetting
Agent is polyoxyethylene alkyl aryl ether, is selected from Hai'an petrochemical plant.
A kind of preparation method of resistance to oxidation uvioresistant paint, specifically comprises the following steps:
(1) component formula is pressed, emulsion acrylic resin, light stabilizer, auxiliary agent are mixed and are added in production tank, is in temperature
90 DEG C, revolving speed is that 1200r/min condition stirs 3h；
(2) material in step (1) is cooled to 55 DEG C, pigments and fillers is added, use vertical sand milling or horizontal sand milling device
Being ground to slurry granularity is 30 μm, that is, is made
(3) curing agent is added in stopping grinding, disperses 25min, and filtering is fitted into paint vehicle bucket to get resistance to oxidation uvioresistant is arrived
Coating.
Embodiment 3
A kind of resistance to oxidation uvioresistant paint includes following component according to parts by weight:
58 parts of emulsion acrylic resin；
13 parts of light stabilizer；
17 parts of pigments and fillers；
6 parts of hexamethylene diisocyanate biruet；
5 parts of auxiliary agent.
The acrylate modified multiple emulsion is 5 parts of styrene monomer modified acrylate emulsions, 12 parts of polyurethane
Modified acrylate emulsion, 7 parts of epoxy resin modification acrylic acid ester emulsions, 12 parts of organosilicon-modified acrylate emulsions, hydroxyl
3 parts of emulsion acrylic resin are combined, and solid part is 63%, specific gravity 1.08g/cm3, viscosity is 5800cp, acid at room temperature
Valence is 12mg KOH/g.
The light stabilizer is prepared via a method which:
(1) under the conditions of nitrogen atmosphere, (1- isopropyl piperidin-4-yl) acetic acid and nonene -2 8- by molar ratio for 1:1.9,
4- glycol is added in reaction kettle, and using toluene as solvent, the additional amount and system reactant quality ratio of toluene are 5:1, increases temperature
Degree is uniformly mixed to 60 DEG C, and the hydroquinone of polymerization retarder for accounting for reaction system quality 0.3% is added and accounts for reaction system matter
The catalyst p-methyl benzenesulfonic acid of amount 1%, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, post-processes intermediate
Product；
(2) under the conditions of nitrogen atmosphere, by molar ratio be 1:1.4 the step of (1) intermediate product and 3- (3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid is added in reaction kettle, solvent, the additional amount and system reactant quality ratio of toluene are made with toluene
For 5:1, temperature being increased to 60 DEG C, is uniformly mixed, the polymerization inhibitor 1,4-benzoquinone for accounting for reaction system quality 0.3% is added and accounts for
The catalyst concentrated sulfuric acid of reaction system quality 1%, side stirring, which becomes, increases temperature, and back flow reaction 9h is cooled to room temperature, and is post-processed
Obtain target product.
The pigments and fillers are by the processed 14 parts of talcum powder of silane coupling agent KH570,8 parts of barites, 9 parts of carbonic acid
Calcium, the mixture of 3 parts of mica powders, particle diameter distribution are 0.8 μm.
Further, auxiliary agent described above is by 8 parts of organic silicon defoamer, BYK066N, fluorine richness third selected from Bi Ke chemistry
7 parts of olefin(e) acid polymer, 6 parts of the N monomethyl pyrrolidone solution of NFS64008 part, modified polyurea selected from Weihai Singapore dollar chemical industry,
2 parts of BYK-410, polyurethane thickener selected from Bi Ke chemistry are selected from Ai Di section, Japan UH-752, polyoxyethylene alkyl aryl ether 7
Part, selected from 19 parts of Hai'an petrochemical plant, deionized water mixing compositions.
Further, defoaming agent described above is organic silicon defoamer, and BYK066N, levelling agent selected from Bi Ke chemistry are
Fluorin modified crylic acid polymer, NFS6400, anti-settling agent selected from Weihai Singapore dollar chemical industry are the N monomethyl pyrrolidines of modified polyurea
Ketone solution, BYK-410, thickener selected from Bi Ke chemistry are polyurethane thickener, selected from Ai Di section, Japan UH-752, wetting
Agent is polyoxyethylene alkyl aryl ether, is selected from Hai'an petrochemical plant.
A kind of preparation method of resistance to oxidation uvioresistant paint, specifically comprises the following steps:
(1) component formula is pressed, emulsion acrylic resin, light stabilizer, auxiliary agent are mixed and are added in production tank, is in temperature
100 DEG C, revolving speed is that 1200r/min condition stirs 2.5h；
(2) material in step (1) is cooled to 50 DEG C, pigments and fillers is added, use vertical sand milling or horizontal sand milling device
Being ground to slurry granularity is 20 μm, that is, is made
(3) curing agent is added in stopping grinding, disperses 30min, and filtering is fitted into paint vehicle bucket to get resistance to oxidation uvioresistant is arrived
Coating.
Embodiment 4
A kind of resistance to oxidation uvioresistant paint includes following component according to parts by weight:
62 parts of emulsion acrylic resin；
12 parts of light stabilizer；
19 parts of pigments and fillers；
7 parts of isophorone diisocyanate trimer；
3 parts of auxiliary agent.
The acrylate modified multiple emulsion is 6.5 parts of styrene monomer modified acrylate emulsions, 11 parts of poly- ammonia
Ester modified acrylic acid ester emulsion, 6.5 parts of epoxy resin modification acrylic acid ester emulsions, 13 parts of organosilicon-modified acrylate emulsions,
6 parts of Hydroxylated acrylic resin lotion are combined, and solid part is 65%, specific gravity 1.12g/cm3, at room temperature viscosity be
6200cp, acid value are 11mg KOH/g.
The light stabilizer is prepared via a method which:
(1) under the conditions of nitrogen atmosphere, (the 1- isopropyl piperidin-4-yl) acetic acid and 8- nonene -2,4- that are 1:2 by molar ratio
Glycol is added in reaction kettle, and using toluene as solvent, the additional amount and system reactant quality ratio of toluene are 5:1, increases temperature
It to 60 DEG C, is uniformly mixed, the hydroquinone of polymerization retarder for accounting for reaction system quality 0.3% is added and accounts for reaction system quality
1% catalyst p-methyl benzenesulfonic acid, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, and post-processes to obtain intermediate production
Object；
(2) under the conditions of nitrogen atmosphere, by molar ratio be 1:1.5 the step of (1) intermediate product and 3- (3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid is added in reaction kettle, solvent, the additional amount and system reactant quality ratio of toluene are made with toluene
For 5:1, temperature being increased to 60 DEG C, is uniformly mixed, the polymerization inhibitor 1,4-benzoquinone for accounting for reaction system quality 0.3% is added and accounts for
The catalyst concentrated sulfuric acid of reaction system quality 1%, side stirring, which becomes, increases temperature, and back flow reaction 11h is cooled to room temperature, and is post-processed
Obtain target product.
The pigments and fillers are 6.5 parts of barites by the processed 13 parts of talcum powder of silane coupling agent KH570,8.5 parts
Calcium carbonate, the mixture of 6.5 parts of mica powders, particle diameter distribution are 1 μm.
Further, auxiliary agent described above is by 6 parts of organic silicon defoamer, BYK066N, fluorine richness third selected from Bi Ke chemistry
9 parts of olefin(e) acid polymer, 7 parts of the N monomethyl pyrrolidone solution of NFS64008 part, modified polyurea selected from Weihai Singapore dollar chemical industry,
3 parts of BYK-410, polyurethane thickener selected from Bi Ke chemistry are selected from Ai Di section, Japan UH-752, polyoxyethylene alkyl aryl ether 6
Part, selected from 20 parts of Hai'an petrochemical plant, deionized water mixing compositions.
Further, defoaming agent described above is organic silicon defoamer, and BYK066N, levelling agent selected from Bi Ke chemistry are
Fluorin modified crylic acid polymer, NFS6400, anti-settling agent selected from Weihai Singapore dollar chemical industry are the N monomethyl pyrrolidines of modified polyurea
Ketone solution, BYK-410, thickener selected from Bi Ke chemistry are polyurethane thickener, selected from Ai Di section, Japan UH-752, wetting
Agent is polyoxyethylene alkyl aryl ether, is selected from Hai'an petrochemical plant.
A kind of preparation method of resistance to oxidation uvioresistant paint, specifically comprises the following steps:
(1) component formula is pressed, emulsion acrylic resin, light stabilizer, auxiliary agent are mixed and are added in production tank, is in temperature
85 DEG C, revolving speed is that 1800r/min condition stirs 2h；
(2) material in step (1) is cooled to 58 DEG C, pigments and fillers is added, use vertical sand milling or horizontal sand milling device
Being ground to slurry granularity is 35 μm, that is, is made
(3) curing agent is added in stopping grinding, disperses 23min, and filtering is fitted into paint vehicle bucket to get resistance to oxidation uvioresistant is arrived
Coating.
Embodiment 5
A kind of resistance to oxidation uvioresistant paint includes following component according to parts by weight:
65 parts of emulsion acrylic resin；
10 parts of light stabilizer；
20 parts of pigments and fillers；
8 parts of hexamethylene diisocyanate biruet；
4 parts of auxiliary agent.
The acrylate modified multiple emulsion is 9 parts of styrene monomer modified acrylate emulsions, and 9 parts of polyurethane change
Property acrylic acid ester emulsion, 6 parts of epoxy resin modification acrylic acid ester emulsions, 14 parts of organosilicon-modified acrylate emulsions, hydroxyl third
8 parts of olefin(e) acid resin emulsion are combined, and solid part is 64%, specific gravity 1.15g/cm3, viscosity is 6500cp, acid value at room temperature
For 9mg KOH/g.
The light stabilizer is prepared via a method which:
(1) under the conditions of nitrogen atmosphere, (1- isopropyl piperidin-4-yl) acetic acid and nonene -2 8- by molar ratio for 1:1.6,
4- glycol is added in reaction kettle, and using toluene as solvent, the additional amount and system reactant quality ratio of toluene are 5:1, increases temperature
Degree is uniformly mixed to 60 DEG C, and the hydroquinone of polymerization retarder for accounting for reaction system quality 0.3% is added and accounts for reaction system matter
The catalyst p-methyl benzenesulfonic acid of amount 1%, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, post-processes intermediate
Product；
(2) under the conditions of nitrogen atmosphere, by molar ratio be 1:1.2 the step of (1) intermediate product and 3- (3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid is added in reaction kettle, solvent, the additional amount and system reactant quality ratio of toluene are made with toluene
For 5:1, temperature being increased to 60 DEG C, is uniformly mixed, the polymerization inhibitor 1,4-benzoquinone for accounting for reaction system quality 0.3% is added and accounts for
The catalyst concentrated sulfuric acid of reaction system quality 1%, side stirring, which becomes, increases temperature, and back flow reaction 12h is cooled to room temperature, and is post-processed
Obtain target product.
The pigments and fillers are by the processed 15 parts of talcum powder of silane coupling agent KH570,5 parts of barites, 9.5 parts of carbon
Sour calcium, the mixture of 8 parts of mica powders, particle diameter distribution are 0.3 μm.
Further, auxiliary agent described above is by 7 parts of organic silicon defoamer, BYK066N, fluorine richness third selected from Bi Ke chemistry
10 parts of olefin(e) acid polymer, the N monomethyl pyrrolidone solution 8 of NFS64008 part, modified polyurea selected from Weihai Singapore dollar chemical industry
Part, 2 parts of BYK-410, polyurethane thickener selected from Bi Ke chemistry are selected from Ai Di section, Japan UH-752, polyoxyethylene alkaryl
8 parts of ether, selected from 17 parts of Hai'an petrochemical plant, deionized water mixing compositions.
Further, defoaming agent described above is organic silicon defoamer, and BYK066N, levelling agent selected from Bi Ke chemistry are
Fluorin modified crylic acid polymer, NFS6400, anti-settling agent selected from Weihai Singapore dollar chemical industry are the N monomethyl pyrrolidines of modified polyurea
Ketone solution, BYK-410, thickener selected from Bi Ke chemistry are polyurethane thickener, selected from Ai Di section, Japan UH-752, wetting
Agent is polyoxyethylene alkyl aryl ether, is selected from Hai'an petrochemical plant.
A kind of preparation method of resistance to oxidation uvioresistant paint, specifically comprises the following steps:
(1) component formula is pressed, emulsion acrylic resin, light stabilizer, auxiliary agent are mixed and are added in production tank, is in temperature
95 DEG C, revolving speed is that 2000r/min condition stirs 2h；
(2) material in step (1) is cooled to 53 DEG C, pigments and fillers is added, use vertical sand milling or horizontal sand milling device
Being ground to slurry granularity is 40 μm, that is, is made
(3) curing agent is added in stopping grinding, disperses 28min, and filtering is fitted into paint vehicle bucket to get resistance to oxidation uvioresistant is arrived
Coating.
Comparative example 1 is compared with embodiment 1, the difference is that: select single acrylic acid ester emulsion as film forming
Substance.
Comparative example 2 is compared with embodiment 1, the difference is that: select commercially available titanium dioxide as light stabilizer.
Comparative example 3 is compared with embodiment 1, the difference is that: removal (1- isopropyl piperidin-4-yl) acetic acid.
Comparative example 4 is compared with embodiment 1, the difference is that: the pigments and fillers of one-component are selected, partial size is
0.095 μ or 1.005 μm.
Performance detection is carried out after paint solidification is formed a film, shown in result table 1:
There is hardness height, high abrasion, very by the coating that 1 testing result of table can be seen that 1-5 of embodiment of the present invention preparation
Strong adhesive force, good water resistance, weatherability and chemical resistance, comparative example is since film forming matter component changes, paint solidification
Film dynamic performance and water resistance, weatherability and chemical resistance are deteriorated；Comparative example 2 and comparative example 3 mainly investigate paint solidification film
Resistance to oxidation and uvioresistant attribute, comparative example 2 is due to using commercially available titanium dioxide, poor compatibility, hardness, mechanical strength and attached
Put forth effort difference, comparative example 3 is due to the missing of piperidines group, and weatherability decline is obviously；Comparative example 4 is due to single pigments and fillers and partial size
Many experiments beyond system of the present invention obtain required particle size interval, lead to occur reuniting and disperse unevenness in system
The phenomenon that, so that the membrane structure after solidifying changes, lead to the variation of comprehensive performance.
It is enlightenment with above-mentioned embodiment according to the present invention, through the above description, relevant staff completely may be used
Without departing from the scope of the technological thought of the present invention', to carry out various changes and amendments.The technical model of this invention
It encloses and is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of resistance to oxidation uvioresistant paint, it is characterised in that: according to parts by weight include following component:
55~65 parts of emulsion acrylic resin, 10~15 parts of light stabilizer, 15~20 parts of pigments and fillers, 5~8 parts of curing agent, auxiliary agent 3
~5 parts.
2. a kind of resistance to oxidation uvioresistant paint according to claim 1, it is characterised in that: described is acrylate modified multiple
Conjunction lotion be 5~10 parts of styrene monomer modified acrylate emulsions, 8~12 parts of polyurethane-modified polyacrylate lotions, 5~8
Part epoxy resin modification acrylic acid ester emulsion, 10~15 parts of organosilicon-modified acrylate emulsions, Hydroxylated acrylic resin lotion 3
~8 parts are combined, and solid part is 60~65%, and specific gravity is 1.05~1.15g/cm3, at room temperature viscosity be 5500~
6500cp, acid value are 8~12mg KOH/g.
3. a kind of resistance to oxidation uvioresistant paint according to claim 1, it is characterised in that: the structure of the light stabilizer
It is as follows:
4. a kind of resistance to oxidation uvioresistant paint according to claim 3, it is characterised in that: the light stabilizer is by such as
The preparation of lower section method:
(1) under the conditions of nitrogen atmosphere, (1- isopropyl piperidin-4-yl) acetic acid and nonene -2 8- by molar ratio for 1:1.5~2,
4- glycol is added in reaction kettle, and using toluene as solvent, the additional amount and system reactant quality ratio of toluene are 5:1, increases temperature
Degree is uniformly mixed to 60 DEG C, and the hydroquinone of polymerization retarder for accounting for reaction system quality 0.3% is added and accounts for reaction system quality
1% catalyst p-methyl benzenesulfonic acid, side stirring, which becomes, increases temperature, and back flow reaction 8h is cooled to room temperature, and post-processes to obtain intermediate production
Object；
(2) under the conditions of nitrogen atmosphere, by molar ratio be 1:1.1~1.5 the step of (1) intermediate product and 3- (3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid is added in reaction kettle, solvent, the additional amount and system reactant quality ratio of toluene are made with toluene
For 5:1, temperature being increased to 60 DEG C, is uniformly mixed, the polymerization inhibitor 1,4-benzoquinone for accounting for reaction system quality 0.3% is added and account for anti-
The catalyst concentrated sulfuric acid of system quality 1% is answered, side stirring, which becomes, increases temperature, and 8~12h of back flow reaction is cooled to room temperature, and is post-processed
Obtain target product.
5. a kind of resistance to oxidation uvioresistant paint according to claim 1, it is characterised in that: the pigments and fillers are by silicon
Processed 10~15 parts of talcum powder of alkane coupling agent KH570,5~10 parts of barites, 8~10 parts of calcium carbonate, 3~8 parts of mica powders
Mixture, particle diameter distribution be 0.1~1 μm.
6. a kind of resistance to oxidation uvioresistant paint according to claim 1, it is characterised in that: the curing agent is isocyanic acid
Ester curing agent, specially hexamethylene diisocyanate trimer, isophorone diisocyanate trimer, hexa-methylene two are different
One of cyanate biuret or more than one mixture.
7. a kind of resistance to oxidation uvioresistant paint according to claim 1, it is characterised in that: the auxiliary agent is by defoaming agent 3
~8 parts, 5~10 parts of levelling agent, 5~10 parts of anti-settling agent, 1~3 part of thickener, 5~8 parts of wetting agent, 15~20 parts of deionized water
Mixing composition.
8. a kind of resistance to oxidation uvioresistant paint according to claim 7, it is characterised in that: the defoaming agent is organosilicon
Defoaming agent, levelling agent are fluorin modified crylic acid polymer, anti-settling agent is modified polyurea N monomethyl pyrrolidone solution, thickening
Agent is polyurethane thickener, wetting agent is polyoxyethylene alkyl aryl ether.
9. a kind of preparation method of resistance to oxidation uvioresistant paint according to claim 1-8, it is characterised in that: tool
Body includes the following steps:
(1) component formula is pressed, emulsion acrylic resin, light stabilizer, auxiliary agent are mixed and are added in production tank, is 80- in temperature
100 DEG C, revolving speed is that 1200-2000r/min condition stirs 2-3h；
(2) material in step (1) is cooled to 50-60 DEG C, pigments and fillers is added, ground using vertical sand milling or horizontal sand milling device
It is 20-40 μm that barreling, which is milled to slurry granularity, that is, is made
(3) curing agent is added in stopping grinding, disperses 20-30min, and filtering is fitted into paint vehicle bucket to get resistance to oxidation uvioresistant is arrived
Coating.
10. a kind of resistance to oxidation uvioresistant paint according to claim 1-8, can be applied to floor paint, terrace
Coating, metal surface antirust paint, marine paint, automobile light industrial products field.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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