CN103992421A - Method for preparing Pickering acrylic polymer emulsion - Google Patents
Method for preparing Pickering acrylic polymer emulsion Download PDFInfo
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- CN103992421A CN103992421A CN201410208237.9A CN201410208237A CN103992421A CN 103992421 A CN103992421 A CN 103992421A CN 201410208237 A CN201410208237 A CN 201410208237A CN 103992421 A CN103992421 A CN 103992421A
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Abstract
The invention relates to a method for preparing a Pickering acrylic polymer emulsion. According to the invention, an amphiphilic nano-particle is mainly taken as a stabilizer, an acrylic monomer is taken as an oil phase, and Pickering emulsion polymerization is carried out in the selected redox initiation system to directly produce an acrylic nanocomposite. Since the curing product of the nanocomposite is free of a surfactant, the nanocomposite has excellent water resistance and anti-erosion performance. In addition, the nanocomposite has the both advantages of the polymer and the nano-particle, and therefore the nanocomposite has better mechanical properties, thermal stability, corrosion resistance and other performances than the conventional polymer material.
Description
Technical field
The present invention relates to a kind of matrix material, particularly a kind of preparation method of Pickering acrylate polymer emulsion.
Background technology
Nano composite material is because it is with the advantage of polymkeric substance and nano particle, all show very superior performance at aspects such as mechanical property, thermostability, corrosion-resistant and flame retardant resistances, by changing the kind of nano particle in early stage, can also further give that product is antibacterial, radioprotective, catalytic performance and photoelectric properties etc., so be widely used in many field of industrial productions, (the E.P.Giannelis.Adv.Mater.1996 such as such as coating, sizing agent, resin, fiber reinforced material, 8,29-35; B.M.Novak.Adv.Mater.1993,5,422-433; S.Komarneni.J.Mater.Chem.1992,2,1219-1230; D.R.Paul, L.M.Robeson.Polymer, 2008,49,3187-3204).Up to now, the preparation method of nano composite material mainly contains two kinds of physical blending and chemical grafts, the former must first carry out the complex surface modification of multistep to nano particle, with can be in polymeric matrix evenly good dispersion, and the latter is due to mainly with an organic solvent and big for environment pollution, and reaction is complicated, and condition harshness, is difficult to production control cost.
Prepare nano composite material by carrying out single stage method in conjunction with Pickering emulsifying technology and conventional emulsion polymerization technique, this is unprecedented at home.The difference of Pickering emulsifying technology and conventional emulsification technology maximum is that it uses modified nanoparticles to substitute conventional surfactant, with respect to tensio-active agent, modified particles is normally irreversible in the absorption at interface, reaches several thousand kT because particle adsorbs needed sorptive power.So allow the particle generation desorb on interface be almost impossible, therefore there is unsurpassed stability by the stable emulsion of modified particles, and particle stabilized stability of emulsion is not subject to temperature, pH value, salt concn, the impact of the factors such as oil phase composition, this makes it in actual production process, have very high facility (J.Li, H.D.H.
langmuir, 2008,24,13237-13240; S.Arditty, V.Schmitt, F.Lequeux, etal.Eur.Phys.J.B, 2005,44,381-393.).There are many scientific research institutions to reach certain height to the research of Pickering emulsifying technology although domestic, but being applied in of this technology domesticly belongs to blank substantially, especially research and develop, produce product in conjunction with Pickering emulsifying technology and conventional emulsion polymerization technique and have never heard of especially.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of Pickering acrylate polymer emulsion, the present invention is using a kind of nano particle of amphiphilic as stablizer, obtain stable Pickering acrylate polymer emulsion by Pickering letex polymerization, after this emulsion brushing, dry and obtain acrylate/nano matrix material.This preparation technology is simple, good emulsion stability, and the nano composite membrane of its formation is due to containing tensio-active agent, and has fabulous water tolerance and scour resistance, has fabulous potential using value in fields such as coating.
The present invention is achieved in that a kind of preparation method of Pickering acrylate polymer emulsion, in accordance with the following methods preparation:
(1) amphiphilic nanoparticles, acrylic monomer, buffer reagent, protective colloid and water are added in reaction vessel, vigorous stirring 20～40min prepares pre-emulsion; Wherein to account for the massfraction of all reactive material total amounts be 30%～55% to acrylic monomer, the massfraction that buffer reagent accounts for all reactive material total amounts is 0.1%～0.25%, the massfraction that protective colloid accounts for all reactive material total amounts is 0.1%～0.35%, and amphiphilic nanoparticles quality is 0.5%～2.5% of acrylic monomer quality;
(2) initiator solution that configuration quality mark is 2%～5%, its initiator quality is 0.2～0.8% of acrylic monomer quality; Described initiator is mixed arbitrarily by Oxidizing and Reducing Agents;
(3) get above-mentioned preparation pre-emulsion 1/4～1/2,1/4～1/2 the joining in container of initiator solution, under nitrogen protection, be warming up to 40～80 DEG C and carry out letex polymerization; There is blue light in question response liquid, starts to drip remaining pre-emulsion and initiator solution, and temperature still remains on 40～80 DEG C, drips altogether 1.0～2.0h; Dropping finishes rear continuation at 40～80 DEG C of insulation 2～3h, and finally regulating pH with ammoniacal liquor is 7～8, obtains stable Pickering acrylate polymer emulsion, after the brushing of Pickering acrylate polymer emulsion, dries and is acrylate/nano matrix material.
Above-mentioned amphiphilic nanoparticles is prepared in accordance with the following methods:
(1) prepare epoxy group(ing) modified nanoparticles:
First by 0.5～2.0g nanoparticulate dispersed in 30～60g ethanol, then 1～4g glycidoxypropyltrietandysilane andysilane is dropwise splashed into wherein, vigorous stirring, at 50～70 DEG C of reaction 18～24h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain epoxy group(ing) modified nanoparticles;
(2) prepare amino modified nano particle:
First 0.5～2.0g epoxy group(ing) modified nanoparticles step (1) being prepared is dispersed in 30～60g ethanol, adds 1～2g hexanediamine, stirs, at 50～70 DEG C of reaction 4～10h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain amino modified nano particle;
(3) obtain amphiphilic nanoparticles:
First the amino modified nanoparticulate dispersed of 0.5～2.0g step (2) being prepared, in 30～60g ethanol, adds 0.8～1.6gHCl, in stirring and 1～2h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain amphiphilic nanoparticles;
The described nano particle of step (1) is the one or any combination of nano silicon, nano titanium oxide, nanometer silver, nano-sized iron oxide, nano tin dioxide, nano zine oxide.
In order better to realize object of the present invention, the present invention has done following further improvement, and further prioritization scheme is: described acrylic monomer is the one or any combination of acrylate, methacrylic ester, methyl methacrylate, butyl methacrylate, β-dimethyl-aminoethylmethacrylate.
Described buffer reagent is the one or any combination of Sodium phosphate dibasic, sodium bicarbonate, sodium-acetate.
Described protective colloid is the one or any combination of polyvinyl alcohol, Natvosol, polyvinylpyrrolidone, sodium polyacrylate, sodium polymethacrylate.
Described initiator is any mixture of any mixture of ammonium persulphate and sodium bisulfite or any mixture of Potassium Persulphate and ferrous sulfate or Potassium Persulphate and rongalite
Preferably nano silicon is as nano particle.
Preferable methyl methyl acrylate (MMA) carries out Pickering letex polymerization as acrylic monomer.
Preferably sodium polymethacrylate is protective colloid.
Any mixture of initiator system of ammonium persulfate and sodium bisulfite is initiator.
The preparation method of Pickering acrylate polymer emulsion of the present invention has the following advantages: in the present invention, utilize first the direct step of Pickering letex polymerization to prepare nano composite material, using a kind of amphiphilic nanoparticles as stablizer, acrylic monomer is oil phase, select suitable initiator system to carry out Pickering letex polymerization, single stage method is directly prepared acrylate/nano matrix material; This preparation technology is simple, and therefore good emulsion stability has great application prospect and industrialization ability.In addition, the nano composite membrane of its formation is due to containing tensio-active agent, and has fabulous water tolerance and scour resistance, and it has the advantage of polymkeric substance and nano particle concurrently simultaneously, everyway shows very superior performance, so there is fabulous potential using value in fields such as coating.
The chemical structure of the nano composite material that in the present invention, Pickering letex polymerization obtains is by infrared spectrum characterization, and its emulsion droplet form characterizes by opticmicroscope.
Brief description of the drawings
Fig. 1 is Pickering letex polymerization schematic diagram of the present invention.
Fig. 2 be the present invention taking amphiphilic nano silica as stablizer, methyl methacrylate is the infrared spectrum that monomer carries out the product after Pickering letex polymerization.
Fig. 3 is the optical microscope photograph of Pickering emulsion droplet.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail.
(1) embodiment is as follows:
A preparation method for Pickering acrylate polymer emulsion, in accordance with the following methods preparation:
(1) amphiphilic nanoparticles, acrylic monomer, buffer reagent, protective colloid and water are added in reaction vessel, vigorous stirring 20～40min prepares pre-emulsion; Wherein to account for the massfraction of all reactive material total amounts be 30%～55% to acrylic monomer, the massfraction that buffer reagent accounts for all reactive material total amounts is 0.1%～0.25%, the massfraction that protective colloid accounts for all reactive material total amounts is 0.1%～0.35%, and amphiphilic nanoparticles quality is 0.5%～2.5% of acrylic monomer quality;
(2) initiator solution that configuration quality mark is 2%～5%, its initiator quality is 0.2～0.8% of acrylic monomer quality; Described initiator is mixed arbitrarily by Oxidizing and Reducing Agents;
(3) get above-mentioned preparation pre-emulsion 1/4～1/2,1/4～1/2 the joining in container of initiator solution, under nitrogen protection, be warming up to 40～80 DEG C and carry out letex polymerization; There is blue light in question response liquid, starts to drip remaining pre-emulsion and initiator solution, and temperature still remains on 40～80 DEG C, drips altogether 1.0～2.0h; Dropping finishes rear continuation at 40～80 DEG C of insulation 2～3h, and finally regulating pH with ammoniacal liquor is 7～8, obtains stable Pickering acrylate polymer emulsion, after the brushing of Pickering acrylate polymer emulsion, dries and is acrylate/nano matrix material.
Above-mentioned amphiphilic nanoparticles is prepared in accordance with the following methods:
(1) prepare epoxy group(ing) modified nanoparticles:
First by 0.5～2.0g nanoparticulate dispersed in 30～60g ethanol, then 1～4g glycidoxypropyltrietandysilane andysilane is dropwise splashed into wherein, vigorous stirring, at 50～70 DEG C of reaction 18～24h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain epoxy group(ing) modified nanoparticles;
(2) prepare amino modified nano particle:
First 0.5～2.0g epoxy group(ing) modified nanoparticles step (1) being prepared is dispersed in 30～60g ethanol, adds 1～2g hexanediamine, stirs, at 50～70 DEG C of reaction 4～10h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain amino modified nano particle;
(3) obtain amphiphilic nanoparticles:
First the amino modified nanoparticulate dispersed of 0.5～2.0g step (2) being prepared, in 30～60g ethanol, adds 0.8～1.6gHCl, in stirring and 1～2h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain amphiphilic nanoparticles;
The described nano particle of step (1) is the one or any combination of nano silicon, nano titanium oxide, nanometer silver, nano-sized iron oxide, nano tin dioxide, nano zine oxide.
Aforesaid propylene acids monomer is the one or any combination of acrylate, methacrylic ester, methyl methacrylate, butyl methacrylate, β-dimethyl-aminoethylmethacrylate.Buffer reagent is the one or any combination of Sodium phosphate dibasic, sodium bicarbonate, sodium-acetate.Protective colloid is the one or any combination of polyvinyl alcohol, Natvosol, polyvinylpyrrolidone, sodium polyacrylate, sodium polymethacrylate.Initiator is any mixture of any mixture of ammonium persulphate and sodium bisulfite or any mixture of Potassium Persulphate and ferrous sulfate or Potassium Persulphate and rongalite
Preferably nano silicon is as nano particle.Preferable methyl methyl acrylate (MMA) carries out Pickering letex polymerization as acrylic monomer.Preferably sodium polymethacrylate is protective colloid.Any mixture of initiator system of ammonium persulfate and sodium bisulfite is initiator.
Refer to shown in Fig. 1-3, wherein Fig. 1 is Pickering letex polymerization schematic diagram.Fig. 2 is taking amphipathic silicon-dioxide as stablizer, and methyl methacrylate is the infrared spectrum that monomer carries out the product after Pickering letex polymerization.Fig. 3 is the optical microscope photograph of Pickering emulsion droplet.
(2) embodiment is as follows:
Embodiment 1: a kind of preparation method of Pickering acrylate polymer emulsion, in accordance with the following methods preparation:
(1) prepare epoxy group(ing) modified nanoparticles:
The nanometer silicon dioxide particle of 1.5g is dispersed in the ethanol of 40g, then 2g glycidoxypropyltrietandysilane andysilane (GPTEOS) is dropwise splashed into wherein, vigorous stirring, at 50 DEG C of reaction 24h; Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 2 times, then at 100 DEG C of vacuum-drying 10h, obtains epoxy group(ing) modified nano silicon dioxide particles.
(2) prepare amino modified nano particle:
The epoxy group(ing) modified nano silicon dioxide particles that takes 1.5g is scattered in 40g ethanol, adds 1g hexanediamine, stirs, at 50 DEG C of reaction 6h; Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 2 times, then at 100 DEG C of vacuum-drying 10h, obtains amino modified nanometer silicon dioxide particle.
(3) obtain amphiphilic nanoparticles:
Finally the above-mentioned amino modified nanometer silicon dioxide particle of 1.5g is dispersed in 40g ethanol, adds 1gHCl, in stirring and 1h; Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 2 times, finally, at 100 DEG C of vacuum-drying 10h, obtains amphiphilic nano silica particle.
(4) obtain Pickering acrylate polymer emulsion:
1.0g amphiphilic nano silica particle, 40g methyl methacrylate, 0.2g sodium bicarbonate, 0.2g sodium polymethacrylate and the 50g water of above-mentioned preparation are added in there-necked flask in certain sequence, and vigorous stirring 20min prepares pre-emulsion.In beaker, take ammonium persulphate, sodium bisulfite and water configuration initiator solution, wherein Sodium Persulfate and sodium bisulfite mol ratio are 1.1:1, and the massfraction that its total amount accounts for methyl methacrylate is 0.6%.The initiator solution of getting 1/3 pre-emulsion and 1/3 joins in the 250ml four-hole boiling flask that disposes agitator, thermometer, two constant voltage titration funnels, under nitrogen protection, is warming up to 50 DEG C and carries out letex polymerization.There is blue light (about 20～30min) in question response liquid, starts to drip remaining pre-emulsion and initiator solution, and temperature still remains on 50 DEG C, drips altogether 1.5h.Dropping finishes rear continuation at 50 DEG C of insulation 2h, and finally regulating pH with ammoniacal liquor is 7～8, obtains stable Pickering acrylate polymer emulsion, after the brushing of Pickering acrylate polymer emulsion, dries and is acrylate/nano matrix material.
Embodiment 2: a kind of preparation method of Pickering acrylate polymer emulsion, in accordance with the following methods preparation:
(1) prepare epoxy group(ing) modified nanoparticles:
The nanometer silicon dioxide particle of 0.5g is dispersed in the ethanol of 30g, then 1.0g glycidoxypropyltrietandysilane andysilane (GPTEOS) is dropwise splashed into wherein, vigorous stirring, at 50 DEG C of reaction 24h; Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 2 times, then at 100 DEG C of vacuum-drying 10h, obtains epoxy group(ing) modified nano silicon dioxide particles.
(2) prepare amino modified nano particle:
The epoxy group(ing) modified nano silicon dioxide particles that takes 0.5g is scattered in 30g ethanol, adds 1.0g hexanediamine, stirs, at 50 DEG C of reaction 6h; Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 2 times, then at 100 DEG C of vacuum-drying 10h, obtains amino modified nanometer silicon dioxide particle.
(3) obtain amphiphilic nanoparticles:
Finally the above-mentioned amino modified nanometer silicon dioxide particle of 0.5g is dispersed in 30g ethanol, adds 1gHCl, in stirring and 1h; Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 2 times, finally, at 100 DEG C of vacuum-drying 10h, obtains amphiphilic nano silica particle.
(4) obtain Pickering acrylate polymer emulsion:
1.2g amphiphilic nano silica particle, 30g methyl methacrylate, 20g butyl methacrylate, 0.2g sodium bicarbonate, 0.3g sodium polymethacrylate and the 40g water of above-mentioned preparation are added in there-necked flask in certain sequence, and vigorous stirring 30min prepares pre-emulsion.In beaker, the ammonium persulphate of configuration quality mark 5% and aqueous solution of sodium bisulfite be as initiator, and wherein to account for the massfraction of methyl methacrylate and butyl methacrylate total amount be 0.5% to amount of initiator.The initiator solution of getting 1/2 pre-emulsion and 1/2 joins in the 250ml four-hole boiling flask that disposes agitator, thermometer, two constant voltage titration funnels, under nitrogen protection, is warming up to 80 DEG C and carries out letex polymerization.There is blue light (about 20～30min) in question response liquid, starts to drip remaining pre-emulsion and initiator solution, and temperature still remains on 80 DEG C, drips altogether 2h.After dropping finishes, at 80 DEG C of insulation 3h, finally regulating pH with ammoniacal liquor is 7～8, obtains stable Pickering acrylate polymer emulsion, after the brushing of Pickering acrylate polymer emulsion, dries and is acrylate/nano matrix material.
Embodiment 3: a kind of preparation method of Pickering acrylate polymer emulsion, in accordance with the following methods preparation:
(1) prepare epoxy group(ing) modified nanoparticles:
The nanometer silicon dioxide particle of 0.5g is dispersed in the ethanol of 30g, then 1g glycidoxypropyltrietandysilane andysilane (GPTEOS) is dropwise splashed into wherein, vigorous stirring, at 50 DEG C of reaction 24h; Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 1 time, then at 80 DEG C of vacuum-drying 16h, obtains epoxy group(ing) modified nano silicon dioxide particles.
(2) prepare amino modified nano particle:
The epoxy group(ing) modified nano silicon dioxide particles that takes 0.5g is scattered in 30g ethanol, adds 1g hexanediamine, stirs, at 50 DEG C of reaction 10h.Then carry out centrifugation, after nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 1 time, then at 80 DEG C of vacuum-drying 16h, obtains amino modified nanometer silicon dioxide particle.
(3) obtain amphiphilic nanoparticles:
Finally the above-mentioned amino modified nanometer silicon dioxide particle of 0.5g is dispersed in 30g ethanol, adds 0.8gHCl, in stirring and 1h; Then carry out centrifugation, nanometer silicon dioxide particle is separated, use washed with de-ionized water 1 time, ethanol cleans 1 time, finally, at 80 DEG C of vacuum-drying 16h, obtains amphiphilic nano silica particle.
(4) obtain Pickering acrylate polymer emulsion:
1.0g amphiphilic nano silica particle, 50g methyl methacrylate, 0.2g sodium bicarbonate, 0.3g sodium polymethacrylate and the 40g water of above-mentioned preparation are added in there-necked flask in certain sequence, and vigorous stirring 30min prepares pre-emulsion.In beaker, the Potassium Persulphate of configuration quality mark 3% and the aqueous solution of ferrous sulfate are as initiator, and wherein the mol ratio of Potassium Persulphate and ferrous sulfate is 1.1:0.9, and the massfraction that its amount of initiator accounts for methyl methacrylate is 0.7%.The initiator solution of getting 1/3 pre-emulsion and 1/3 joins in the 250ml four-hole boiling flask that disposes agitator, thermometer, two constant voltage titration funnels, under nitrogen protection, is warming up to 50 DEG C and carries out letex polymerization.There is blue light (about 20～30min) in question response liquid, starts to drip remaining pre-emulsion and initiator solution, and temperature still remains on 50 DEG C, drips altogether 1h.After dropping finishes, at 50 DEG C of insulation 3h, finally regulating pH with ammoniacal liquor is 7～8, obtains stable Pickering acrylate polymer emulsion, after the brushing of Pickering acrylate polymer emulsion, dries and is acrylate/nano matrix material.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention, and the present invention has more than and is only confined to above-described embodiment, and every any improvement or replacement according to the principle of the invention, all should be within protection scope of the present invention.
Claims (6)
1. a preparation method for Pickering acrylate polymer emulsion, is characterized in that, in accordance with the following methods preparation:
(1) amphiphilic nanoparticles, acrylic monomer, buffer reagent, protective colloid and water are added in reaction vessel, vigorous stirring 20～40min prepares pre-emulsion; Wherein to account for the massfraction of all reactive material total amounts be 30%～55% to acrylic monomer, the massfraction that buffer reagent accounts for all reactive material total amounts is 0.1%～0.25%, the massfraction that protective colloid accounts for all reactive material total amounts is 0.1%～0.35%, and amphiphilic nanoparticles quality is 0.5%～2.5% of acrylic monomer quality;
(2) initiator solution that configuration quality mark is 2%～5%, its initiator quality is 0.2～0.8% of acrylic monomer quality; Described initiator is mixed arbitrarily by Oxidizing and Reducing Agents;
(3) get above-mentioned preparation pre-emulsion 1/4～1/2,1/4～1/2 the joining in container of initiator solution, under nitrogen protection, be warming up to 40～80 DEG C and carry out letex polymerization; There is blue light in question response liquid, starts to drip remaining pre-emulsion and initiator solution, and temperature still remains on 40～80 DEG C, drips altogether 1.0～2.0h; Dropping finishes rear continuation at 40～80 DEG C of insulation 2～3h, and finally regulating pH with ammoniacal liquor is 7～8, obtains stable Pickering acrylate polymer emulsion.
2. the preparation method of Pickering acrylate polymer emulsion according to claim 1, is characterized in that: described amphiphilic nanoparticles is to prepare in accordance with the following methods:
(1) prepare epoxy group(ing) modified nanoparticles:
First by 0.5～2.0g nanoparticulate dispersed in 30～60g ethanol, then 1～4g glycidoxypropyltrietandysilane andysilane is dropwise splashed into wherein, vigorous stirring, at 50～70 DEG C of reaction 18～24h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain epoxy group(ing) modified nanoparticles;
(2) prepare amino modified nano particle:
First 0.5～2.0g epoxy group(ing) modified nanoparticles step (1) being prepared is dispersed in 30～60g ethanol, adds 1～2g hexanediamine, stirs, at 50～70 DEG C of reaction 4～10h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain amino modified nano particle;
(3) obtain amphiphilic nanoparticles:
First the amino modified nanoparticulate dispersed of 0.5～2.0g step (2) being prepared, in 30～60g ethanol, adds 0.8～1.6gHCl, in stirring and 1～2h; Then carry out centrifugation, after nano particle is separated, use washed with de-ionized water 1-3 time, clean 1-3 time with ethanol more afterwards, finally, at 80～100 DEG C of vacuum-drying 10～16h, obtain amphiphilic nanoparticles;
The described nano particle of step (1) is the one or any combination of nano silicon, nano titanium oxide, nanometer silver, nano-sized iron oxide, nano tin dioxide, nano zine oxide.
3. the method for acrylate/nano matrix material is prepared in Pickering letex polymerization according to claim 1, it is characterized in that: described acrylic monomer is the one or any combination of acrylate, methacrylic ester, methyl methacrylate, butyl methacrylate, β-dimethyl-aminoethylmethacrylate.
4. the method for the method of acrylate/nano matrix material is prepared in Pickering letex polymerization according to claim 1, it is characterized in that: described buffer reagent is the one or any combination of Sodium phosphate dibasic, sodium bicarbonate, sodium-acetate.
5. the method for acrylate/nano matrix material is prepared in Pickering letex polymerization according to claim 1, it is characterized in that: described protective colloid is the one or any combination of polyvinyl alcohol, Natvosol, polyvinylpyrrolidone, sodium polyacrylate, sodium polymethacrylate.
6. the method for acrylate/nano matrix material is prepared in Pickering letex polymerization according to claim 1, it is characterized in that: described initiator is any mixture of any mixture of ammonium persulphate and sodium bisulfite or any mixture of Potassium Persulphate and ferrous sulfate or Potassium Persulphate and rongalite.
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