CN103012698B - Non-toxic long-acting low-surface-energy antifouling resin and preparation method and application thereof - Google Patents

Non-toxic long-acting low-surface-energy antifouling resin and preparation method and application thereof Download PDF

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CN103012698B
CN103012698B CN201210495986.5A CN201210495986A CN103012698B CN 103012698 B CN103012698 B CN 103012698B CN 201210495986 A CN201210495986 A CN 201210495986A CN 103012698 B CN103012698 B CN 103012698B
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nanoparticle
parts
resin
coupling agent
organo
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CN103012698A (en
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邱再明
武琳琳
张善志
钟广义
于涛
郝庆辉
王恩冰
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Shandong Zhongke Nano Technology Co.,Ltd.
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DALIAN YUXIANG TECHNOLOGY GROUP Co Ltd
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Abstract

The invention relates to the field of antifouling paint, in particular relates to a non-toxic long-acting low-surface-energy antifouling resin and a preparation method and application thereof, and in particular relates to a nano particle organic modified acrylic resin which is mainly used for antifouling of ships. The resin is non-hazardous to marine organisms, and integrates properties of self-cleaning, low surface energy, hydrolysis pollution prevention and the like. The resin comprises the following ingredients in parts by mass: 10-30 parts of nano particles, 50-100 parts of ethanol, 10-50 parts of organic silicon coupling agents, 2-9 parts of water, 0.1-1.0 part of hydrochloric acid, 30-60 parts of acrylic acid monomer, 0.01-1.0 part of initiator, and 20-100 parts of organic solvent. Through the hydrolysis of the organic silicon coupling agent, the nano particles are solidly combined with the acrylic acid monomer so as to form a structure that the nano particles are used as a nuclear and the organic silicon modified acrylic resin is used as a shell. The antifouling resin has the properties of no toxicity, low surface energy and good bottom paint adhesion force, and is provided with hydrolysis groups.

Description

A kind of non-toxic long-acting low surface energy antifouling resin and its preparation method and application
Technical field
The present invention relates to antifouling paint field, be specially long-acting low surface energy antifouling resin of a kind of Novel non-toxic and its preparation method and application, particularly nanoparticle organosilicon modified crylic acid resin, is mainly used in the antifouling of boats and ships.Anti-to automatically cleaning, low surface energy and the hydrolysis performance such as to stain, to marine organisms toxicological harmless, is dissolved in all over the body by this resin.
Background technology
Traditional antifouling paint owing to using the poison material such as organotin, red precipitate, DDT more, its toxicity is comparatively large, to marine organisms and ecological environmental pollution serious, directly affect the healthy of people by food chain, be prohibited from using, substantially exited the market of antifouling paint.
At present, what succeed application is tin-free self-polishing coating, and it, having hydrophilic acrylate copolymer from disappearing molten resin for base-material, coordinating low toxicity Red copper oxide and other stain control agents to make, having the effect from polishing and drag reduction, and antifouling phase effect can reach 3 years.But it in use, it can not change initial roughness, fuel-efficient effect is bad, and its maximum shortcoming is: form one deck mucous membrane in film coated surface after poison material oozes out, the adhesion problem of lower road antifouling varnish construction is had a strong impact on when depressed place is repaiied, and having research surface, the copper+auxiliary harm of toxic agent to ocean is almost equal to organotin, and such antifouling paint is finally also by disabled.
All be devoted to the research of non-toxic anti-pollution paint for sea of new generation both at home and abroad, mainly contain nontoxic self-polishing antifouling paint of new generation, bionical antifouling paint, low surface energy anti-fouling paint, nanostructured surface antifouling paint, conduction antifouling paint etc.
Wherein, low surface energy anti-fouling paint then can prevent the attachment of various marine life, what is more important, and low surface energy anti-fouling paint is the low surface energy physical action on coating based surface, plays effect antifouling for a long time, there is not the release loss problem of toxicant.Low surface energy anti-fouling paint environmental friendliness, safety non-toxic, being recognized is a kind of optimal marine antifouling coating.The subject matter of restriction low surface energy antifouling coating for seas development: one is be difficult to obtain the surfacing with more low surface energy, makes its contact angle with water more greatly, makes the more difficult adhesion of marine life; Two is that it easily reconstructs in the seawater, and its surface energy is increased in time, and reduce with water contact angle, marine life easily adheres to again.
Nanoparticle has distinctive small-size effect, surface effects, quantum effect, macro quanta tunnel effect etc., is more and more subject to the favor of investigator.Application method is the class matrix material that nanoparticle and polymkeric substance are directly carried out dispersing and mixing and obtain widely at present, the advantage of the method is simple to operate, easy industrialization, but if the nanoparticle dispersion of ecosystem is evenly more difficult, and the stability of dispersion is not good yet.
Summary of the invention
The object of the present invention is to provide a kind of non-toxic long-acting low surface energy antifouling resin and its preparation method and application, solve silicone resin and roughstuff sticking power deficiency in prior art, the nanoparticle dispersion of ecosystem is evenly more difficult, and the problem such as the stability of dispersion is not good.
Technical scheme of the present invention is:
A kind of non-toxic long-acting low surface energy antifouling resin, according to the mass fraction, the component of this resin is as follows:
Nanoparticle 10-30 part; Ethanol 50-100 part; Organo-silicon coupling agent 10-50 part; Water 2-9 part; Hydrochloric acid (concentration 37wt%) 0.1-1.0 part; Acrylic Acid Monomer 30-60 part; Initiator 0.01-1.0 part; Organic solvent 20-100 part.
Described non-toxic long-acting low surface energy antifouling resin, nanoparticle is one or more in nano silicon, nano aluminium oxide, nano titanium oxide, and the granularity of nanoparticle is 50-200nm.
Described non-toxic long-acting low surface energy antifouling resin, organo-silicon coupling agent be propyl-triethoxysilicane, propyl trimethoxy silicane, hydroxypropyl methyl diethoxy silane, dimethyldiethoxysilane, octyltri-ethoxysilane, octyl group Trimethoxy silane, hexadecyl, hexadecyl trimethoxy silane one or more.
Described non-toxic long-acting low surface energy antifouling resin, Acrylic Acid Monomer is methyl acrylate, ethyl propenoate, propyl acrylate, butyl acrylate, amyl acrylate, Ethyl acrylate, Isooctyl acrylate monomer, methyl methacrylate, β-dimethyl-aminoethylmethacrylate, propyl methacrylate, butyl methacrylate, pentylmethacrylate, N-Hexyl methacrylate, n octyl methacrylate, Isooctyl methacrylate, vinylformic acid, methacrylic acid, Hydroxyethyl acrylate, hydroxyethyl methylacrylate, Propylene glycol monoacrylate, Rocryl 410, one or more in glycidyl methacrylate.
Described non-toxic long-acting low surface energy antifouling resin, initiator is azo compound or acetate compounds, and azo compound is azo-two isobutyl cyanogen, and acetate compounds is t-butylperoxyl benzoate or crosses octanoic acid ter-butyl ester.
Described non-toxic long-acting low surface energy antifouling resin, organic solvent is one or more in benzene,toluene,xylene, N-BUTYL ACETATE, vinyl acetic monomer, ethanol, propyl carbinol, isopropylcarbinol, sec-butyl alcohol, acetone, ethylene glycol ether acetate, 1-Methoxy-2-propyl acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether, glycol propyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, propandiol butyl ether, pimelinketone, methyl ethyl ketone, methylethylketone, methyl iso-butyl ketone (MIBK), methyl isopropyl ketone, methyl n-butyl ketone, methyl iso-butyl ketone (MIBK), tetrahydrofuran (THF).
The preparation method of described non-toxic long-acting low surface energy antifouling resin, first nanoparticle organo-silicon coupling agent is carried out pre-treatment, then organo-silicon coupling agent is hydrolyzed, then the silicone oligomer obtained by hydrolyzate and Acrylic Acid Monomer carry out polyreaction, comprise the steps:
1) pre-treatment of nanoparticle
Nanoparticle, ethanol are poured in reactor, after stirring, start to drip organo-silicon coupling agent, formation is made to take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent;
2) preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir; And in reactor, drip the mixing liquid be made up of deionized water, hydrochloric acid (concentration 37wt%), after dropwising, continue to stir 20-30 minute, then reflux temperature is warming up to, it is made to react 2-4 hour at reflux, then remove organic solvent under vacuum, namely obtaining take nanoparticle as the silicone oligomer of core;
3) preparation of nanoparticle organosilicon modified crylic acid resin
Get silicone oligomer 5-30 part by mass fraction, nanoparticle silicone oligomer, Acrylic Acid Monomer, initiator, organic solvent are mixed, form mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel; Reactor is warming up to 100 DEG C, starts to drip, be warming up to 130 DEG C after dropping, keep after 2-5 hour, be cooled to 50 DEG C with bottom discharge, obtain non-toxic long-acting low surface energy antifouling resin.
The preparation method of described non-toxic long-acting low surface energy antifouling resin, in step 1), organo-silicon coupling agent time for adding controls at 20-30 minute; Step 2) in, the mixing liquid of deionized water, hydrochloric acid composition, time for adding controls at 20-30 minute; In step 3), mixed solution time for adding controls at 1-1.5h.
The application of described non-toxic long-acting low surface energy antifouling resin, this antifouling resin in use, adds solidifying agent and catalyzer fully reacts, and forms low surface energy anti-fouling paint.
Catalyzer is the one in dibutyl tin laurate or stannous sulfate, catalyst levels is the 0.01-0.1wt% of described antifouling resin, solidifying agent is polyisocyanates compounds, and the mol ratio of polyisocyanates compounds and described antifouling resin presses NCO/OH=1.0-2.0.
In the present invention, polyisocyanates compounds can be selected from Bayer Bitterfeld GmbH (Bayer) company iL, n75, n100, n3200, n3390, n3300, vPLS2010/1, vPLS2025, vPLS2103, z4470; The Tolonate of sub-(Rhodia) company in France sieve ground tMhDB-75MX, Tolonate HDT-90; CORONATE2604, CORONATEHX-T, CORONATE2384, CORONATEHK of Japanese polyurethane Co., Ltd..
Tool of the present invention has the following advantages:
1, adding by nanoparticle in resin of the present invention, other silicone resins are solved and roughstuff adheres to hypodynamic defect.Resin low surface energy and nanotechnology are melted into a whole by the present invention, for the antifouling resin of marine ship, this resin is a kind of is core with nanoparticle, take organosilicon modified crylic acid resin as nontoxic, the low surface energy of shell, with hydrolysising group, the antifouling resin good with priming paint sticking power.
2, organo-silicon coupling agent of the present invention forms a lot of Organosilicon Alcohol in Organic intermediate through hydrolysis rear surface, just because of the existence of this intermediate, nano-inorganic substance and vinylformic acid organism are very firmly coupled together, serve the effect that " bridge " is the same, make final nanoparticle organosilicon modified crylic acid resin have good stability.
3, the present invention's coating that this resin is made has very low surface energy, and marine organisms are difficult to, in film coated surface attachment, even if attachment is also insecure, be easy to come off under current or other External Force Actings.
4, organo-silicon coupling agent of the present invention and Acrylic Acid Monomer react, generate-si-o-c-key, this siloxane bond is easy to hydrolytic cleavage, thus constantly have newborn siloxanes to occur, form the coating of new low surface energy, solve the increase in time of common low surface energy coat, surface energy constantly increases, and makes the defect that marine life easily adheres to gradually.
Embodiment
The preparation method of non-toxic long-acting low surface energy antifouling resin of the present invention, first carries out pre-treatment by nanoparticle organo-silicon coupling agent, is then hydrolyzed by organo-silicon coupling agent, then the silicone oligomer obtained by hydrolyzate and Acrylic Acid Monomer carry out polyreaction.
Below by embodiment, the present invention is described in more detail.
Embodiment 1
1. the pre-treatment of nanoparticle
According to the mass fraction, nano silicon 10 parts, ethanol 60 parts are poured in reactor, after stirring, start to drip dimethyldiethoxysilane 30 parts, time for adding controls at 20-30 minute, and make formation take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally to be formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent.
2. the preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir.And drip by deionized water 3 parts, hydrochloric acid (concentration 37wt%) 0.4 part of mixing liquid formed in reactor, time for adding controls at 20-30 minute, after dropwising, continue stirring 20 minutes, then reflux temperature is warming up to, make it react 3 hours at reflux, then remove organic solvent under vacuum, can obtain take nano silicon as the silicone oligomer of core.
3. the preparation of nanoparticle organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle silicone oligomer 15 parts, methyl methacrylate 30 parts, butyl acrylate 15 parts, Hydroxyethyl acrylate 9 parts, 1 part, vinylformic acid, azo-bis-isobutyl cyanide 0.4 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1h, is warming up to 130 DEG C after dropping, keeps after 5 hours, is cooled to 50 DEG C with bottom discharge, obtains non-toxic long-acting low surface energy antifouling resin.
Embodiment 2
1. the pre-treatment of nanoparticle
According to the mass fraction, nano silicon 30 parts, ethanol 50 parts are poured in reactor, after stirring, start to drip dimethyldiethoxysilane 30 parts, time for adding controls at 20-30 minute, and make formation take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally to be formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent.
2. the preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir.And drip by deionized water 3 parts, hydrochloric acid (concentration 37wt%) 0.4 part of mixing liquid formed in reactor, time for adding controls at 20-30 minute, after dropwising, continue stirring 20 minutes, then reflux temperature is warming up to, make it react 3 hours at reflux, then remove organic solvent under vacuum, can obtain take nano silicon as the silicone oligomer of core.
3. the preparation of nanoparticle organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle silicone oligomer 15 parts, methyl methacrylate 30 parts, butyl acrylate 15 parts, Hydroxyethyl acrylate 9 parts, 1 part, vinylformic acid, azo-bis-isobutyl cyanide 0.4 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1.5h, is warming up to 130 DEG C after dropping, keeps after 2 hours, is cooled to 50 DEG C with bottom discharge, obtains non-toxic long-acting low surface energy antifouling resin.
Embodiment 3
1. the pre-treatment of nanoparticle
According to the mass fraction, nano silicon 10 parts, ethanol 60 parts are poured in reactor, after stirring, start to drip dimethyldiethoxysilane 30 parts, time for adding controls at 20-30 minute, and make formation take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally to be formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent.
2. the preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir.And drip by deionized water 6 parts, hydrochloric acid (concentration 37wt%) 0.8 part of mixing liquid formed in reactor, time for adding controls at 20-30 minute, after dropwising, continue stirring 20 minutes, then reflux temperature is warming up to, make it react 3 hours at reflux, then remove organic solvent under vacuum, can obtain take nano silicon as the silicone oligomer of core.
3. the preparation of nanoparticle organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle silicone oligomer 15 parts, methyl methacrylate 30 parts, butyl acrylate 15 parts, Hydroxyethyl acrylate 9 parts, 1 part, vinylformic acid, azo-bis-isobutyl cyanide 0.4 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1.2h, is warming up to 130 DEG C after dropping, keeps after 3 hours, is cooled to 50 DEG C with bottom discharge, obtains non-toxic long-acting low surface energy antifouling resin.
Embodiment 4
1. the pre-treatment of nanoparticle
According to the mass fraction, nano silicon 10 parts, ethanol 60 parts are poured in reactor, after stirring, start to drip dimethyldiethoxysilane 30 parts, time for adding controls at 20-30 minute, and make formation take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally to be formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent.
2. the preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir.And drip by deionized water 3 parts, hydrochloric acid (concentration 37wt%) 0.4 part of mixing liquid formed in reactor, time for adding controls at 20-30 minute, after dropwising, continue stirring 20 minutes, then reflux temperature is warming up to, make it react 3 hours at reflux, then remove organic solvent under vacuum, can obtain take nano silicon as the silicone oligomer of core.
3. the preparation of nanoparticle organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle silicone oligomer 25 parts, methyl methacrylate 25 parts, butyl acrylate 10 parts, Hydroxyethyl acrylate 9 parts, 1 part, vinylformic acid, azo-bis-isobutyl cyanide 0.4 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1h, is warming up to 130 DEG C after dropping, keeps after 4 hours, is cooled to 50 DEG C with bottom discharge, obtains non-toxic long-acting low surface energy antifouling resin.
Embodiment 5
1. the pre-treatment of nanoparticle
According to the mass fraction, nano silicon 20 parts, ethanol 80 parts are poured in reactor, after stirring, start to drip hexadecyl 20 parts, time for adding controls at 20-30 minute, and make formation take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally to be formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent.
2. the preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir.And drip by deionized water 5 parts, hydrochloric acid (concentration 37wt%) 0.6 part of mixing liquid formed in reactor, time for adding controls at 20-30 minute, after dropwising, continue stirring 20 minutes, then reflux temperature is warming up to, make it react 3 hours at reflux, then remove organic solvent under vacuum, can obtain take nano silicon as the silicone oligomer of core.
3. the preparation of nanoparticle organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle silicone oligomer 10 parts, glycidyl methacrylate 20 parts, Propylene glycol monoacrylate 15 parts, Isooctyl acrylate monomer 10 parts, methacrylic acid 5 parts, cross octanoic acid ter-butyl ester 0.6 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1h, is warming up to 130 DEG C after dropping, keeps after 4 hours, is cooled to 50 DEG C with bottom discharge, obtains non-toxic long-acting low surface energy antifouling resin.
Embodiment 6
1. the pre-treatment of nanoparticle
According to the mass fraction, nano silicon 30 parts, ethanol 90 parts are poured in reactor, after stirring, start to drip hydroxypropyl methyl diethoxy silane 40 parts, time for adding controls at 20-30 minute, and make formation take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally to be formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent.
2. the preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir.And drip by deionized water 8 parts, hydrochloric acid (concentration 37wt%) 0.8 part of mixing liquid formed in reactor, time for adding controls at 20-30 minute, after dropwising, continue stirring 20 minutes, then reflux temperature is warming up to, make it react 3 hours at reflux, then remove organic solvent under vacuum, can obtain take nano silicon as the silicone oligomer of core.
3. the preparation of nanoparticle organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle silicone oligomer 30 parts, propyl acrylate 12 parts, Isooctyl acrylate monomer 10 parts, n octyl methacrylate 8 parts, Hydroxyethyl acrylate 5 parts, t-butylperoxyl benzoate 0.1 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1h, is warming up to 130 DEG C after dropping, keeps after 4 hours, is cooled to 50 DEG C with bottom discharge, obtains non-toxic long-acting low surface energy antifouling resin.
Comparative example 1(is plus nano particle not)
1. the preparation of silicone oligomer
According to the mass fraction, ethanol 60 parts, dimethyldiethoxysilane 30 parts are poured in reactor, open and stir, and drip in reactor by deionized water 3 parts, hydrochloric acid (concentration 37wt%) 0.4 part of mixing liquid formed, time for adding controls at 20-30 minute, after dropwising, continue stirring 20 minutes, be then warming up to reflux temperature, make it react 3 hours at reflux, then remove organic solvent under vacuum, can obtain with silicone oligomer.
2. the preparation of organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle silicone oligomer 15 parts, methyl methacrylate 30 parts, butyl acrylate 15 parts, Hydroxyethyl acrylate 9 parts, 1 part, vinylformic acid, azo-bis-isobutyl cyanide 0.4 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1-1.5h, is warming up to 130 DEG C after dropping, keeps after 2-5 hour, is cooled to 50 DEG C with bottom discharge.
Comparative example 2(organo-silicon coupling agent is not hydrolyzed)
1. the pre-treatment of nanoparticle
According to the mass fraction, nano silicon 10 parts, ethanol 60 parts are poured in reactor, after stirring, start to drip dimethyldiethoxysilane 30 parts, time for adding controls at 20-30 minute, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, then being poured into by nano slurry has in the reactor of reflux, is warming up to reflux temperature, makes it react 3 hours at reflux, then organic solvent is removed under vacuum
2. the preparation of nanoparticle organosilicon modified crylic acid resin
According to the mass fraction, by above-mentioned nanoparticle pre-treatment thing 15 parts, methyl methacrylate 25 parts, butyl acrylate 10 parts, Hydroxyethyl acrylate 9 parts, 1 part, vinylformic acid, azo-bis-isobutyl cyanide 0.4 part, dimethylbenzene 21 parts, butyl ester 9 parts mixes, and forms mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel.Reactor is warming up to 100 DEG C, start to drip, time for adding controls at 1-1.5h, is warming up to 130 DEG C after dropping, keeps after 2-5 hour, is cooled to 50 DEG C with bottom discharge.
Performance comparision:
Antifouling resin in Example 1 and polyisocyanates compounds press the mass ratio of NCO/OH=1.1, and polyisocyanates compounds can use the D of Bayer Bitterfeld GmbH (Bayer) company n75(solid content is 75wt%, NCO content is 16.4wt%).Add the dibutyl tin laurate accounting for described antifouling resin 0.05% quality again, after stirring, be made into varnish, be evenly applied on tinplate, test after freeze-day with constant temperature solidification.Can be 21.2mN/m by Static Contact angle measuring instrument test film coated surface, contact angle be 106 degree, illustrate this resin show can be very low.Film is placed in synthetic sea water 30 days, surveying its surface energy is 21.6mN/m, is not increased significantly, and illustrates that the hydrolysising group existed in resin can make film coated surface be in low surface energy state always, reaches lasting antifouling effect.
Resin in antifouling resin in Example 1, comparative example 1 presses the mass ratio of NCO/OH=1.1 with polyisocyanates compounds respectively, and polyisocyanates compounds can use Bayer Bitterfeld GmbH (Bayer) company n75(solid content is 75wt%, NCO content is 16.4wt%).Add the dibutyl tin laurate accounting for described antifouling resin 0.05% quality again, be made into varnish after stirring, be evenly coated on epoxy rust-proofing primer respectively, the thickness of priming paint is 125um, the thickness of varnish is 50um, carries out pulling open the test of method sticking power after freeze-day with constant temperature solidification.The sticking power of embodiment 1 is 6MPa(5.3-6.7) 100%B, the sticking power of comparative example 1 is 3MPa(3.1-3.4) 100%B.As can be seen here, the sticking power between antifouling coating and roughstuff is significantly improved after adding Nano particles of silicon dioxide.
Resin in antifouling resin in embodiment 1, comparative example 2 is all placed in climatic chamber, compares the stability in storage of the two.After 3 months, the antifouling resin in embodiment 1 is without considerable change, and the resin in comparative example 2 has demixing phenomenon.After 6 months, there is demixing phenomenon in the antifouling resin in embodiment 1, the resin severe delamination in comparative example 2, and return thick phenomenon.By both contrasts, illustrate that the coupling agent passing through hydrolysis can increase the connection effect between inorganics nanoparticle and organism, system can be made more stable.

Claims (3)

1. a non-toxic long-acting low surface energy antifouling resin, is characterized in that: according to the mass fraction, and the component of this resin is as follows:
Nanoparticle 10-30 part; Ethanol 50-100 part; Organo-silicon coupling agent 10-50 part; Water 2-9 part; Hydrochloric acid 0.1-1.0 part; Acrylic monomer 30-60 part; Initiator 0.01-1.0 part; Organic solvent 20-100 part;
Nanoparticle is one or more in nano silicon, nano aluminium oxide, nano titanium oxide, and the granularity of nanoparticle is 50-200nm;
Organo-silicon coupling agent be propyl-triethoxysilicane, propyl trimethoxy silicane, hydroxypropyl methyl diethoxy silane, dimethyldiethoxysilane, octyltri-ethoxysilane, octyl group Trimethoxy silane, hexadecyl, hexadecyl trimethoxy silane one or more;
Acrylic monomer is methyl acrylate, ethyl propenoate, propyl acrylate, butyl acrylate, amyl acrylate, Ethyl acrylate, Isooctyl acrylate monomer, methyl methacrylate, β-dimethyl-aminoethylmethacrylate, propyl methacrylate, butyl methacrylate, pentylmethacrylate, N-Hexyl methacrylate, n octyl methacrylate, Isooctyl methacrylate, vinylformic acid, methacrylic acid, Hydroxyethyl acrylate, hydroxyethyl methylacrylate, Propylene glycol monoacrylate, Rocryl 410, one or more in glycidyl methacrylate,
Initiator is Diisopropyl azodicarboxylate, t-butylperoxyl benzoate or mistake octanoic acid ter-butyl ester;
Organic solvent is benzene, toluene, dimethylbenzene, N-BUTYL ACETATE, vinyl acetic monomer, ethanol, propyl carbinol, isopropylcarbinol, sec-butyl alcohol, acetone, ethylene glycol ether acetate, 1-Methoxy-2-propyl acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether, glycol propyl ether, propylene-glycol ethyl ether, propylene glycol propyl ether, propandiol butyl ether, pimelinketone, methyl ethyl ketone, methylethylketone, methyl iso-butyl ketone (MIBK), methyl isopropyl ketone, methyl n-butyl ketone, methyl iso-butyl ketone (MIBK), one or more in tetrahydrofuran (THF),
First nanoparticle organo-silicon coupling agent is carried out pre-treatment, then organo-silicon coupling agent is hydrolyzed, then the silicone oligomer obtained by hydrolyzate and acrylic monomer carry out polyreaction, comprise the steps:
1) pre-treatment of nanoparticle
Nanoparticle, ethanol are poured in reactor, after stirring, start to drip organo-silicon coupling agent, formation is made to take nanoparticle as core, organo-silicon coupling agent is the mixing solutions of shell, then pour in sand mill and add zirconium pearl or granulated glass sphere grinds, finally formed with the nano slurry of the coated nanoparticle of organo-silicon coupling agent;
2) preparation of nanoparticle silicone oligomer
Above-mentioned solution is added in reactor, opens and stir; And in reactor, drip the mixing liquid be made up of deionized water, hydrochloric acid, after dropwising, continue to stir 20-30 minute, then reflux temperature is warming up to, it is made to react 2-4 hour at reflux, then remove organic solvent under vacuum, namely obtaining take nanoparticle as the silicone oligomer of core;
3) preparation of nanoparticle organosilicon modified crylic acid resin
Get silicone oligomer 5-30 part by mass fraction, nanoparticle silicone oligomer, acrylic monomer, initiator, organic solvent are mixed, form mixed solution; Pour the mixed solution of 1/4 quality into reactor, the mixed solution of another 3/4 quality is poured in dropping funnel; Reactor is warming up to 100 DEG C, starts to drip, be warming up to 130 DEG C after dropping, keep after 2-5 hour, be cooled to 50 DEG C with bottom discharge, obtain non-toxic long-acting low surface energy antifouling resin.
2. according to non-toxic long-acting low surface energy antifouling resin according to claim 1, it is characterized in that, in step 1), organo-silicon coupling agent time for adding controls at 20-30 minute; Step 2) in, the mixing liquid of deionized water, hydrochloric acid composition, time for adding controls at 20-30 minute; In step 3), mixed solution time for adding controls at 1-1.5h.
3. according to the application of non-toxic long-acting low surface energy antifouling resin according to claim 1, it is characterized in that, this antifouling resin in use, adds solidifying agent and catalyzer fully reacts, and forms low surface energy anti-fouling paint; Catalyzer is the one in dibutyl tin laurate or stannous sulfate, catalyst levels is the 0.01-0.1wt% of described antifouling resin, solidifying agent is polyisocyanates compounds, and the mol ratio of polyisocyanates compounds and described antifouling resin presses NCO/OH=1.0-2.0.
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