CN107880206A - A kind of long-lasting antibacterial water-based acrylic resin and preparation method thereof - Google Patents
A kind of long-lasting antibacterial water-based acrylic resin and preparation method thereof Download PDFInfo
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- CN107880206A CN107880206A CN201711374559.0A CN201711374559A CN107880206A CN 107880206 A CN107880206 A CN 107880206A CN 201711374559 A CN201711374559 A CN 201711374559A CN 107880206 A CN107880206 A CN 107880206A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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Abstract
The present invention relates to a kind of long-lasting antibacterial water-based acrylic resin, is made up of the reaction of acrylic acid soft monomer, acrylic acid hard monomer, schiff bases acrylic monomers, acrylic acid, azodiisobutyronitrile, hydroxy-acrylate monomer, emulsifying agent, nertralizer and deionized water；The schiff bases acrylic monomers is by salicylide, R NH2It is made with acryloyl chloride by reacting；The present invention also provides a kind of preparation method of long-lasting antibacterial water-based acrylic resin；A kind of long-lasting antibacterial water-based acrylic resin produced by the present invention, there is good adhesive force, high glaze, anti-rust inhibition etc., cost-effective, applicability is wide；During as antibiotic paint, without additional antiseptic, durable antibiotic, fungistatic effect can be reached, available for coating for internal and external wall, water-borne wood coating, aqueous industrial coating etc..
Description
Technical field
The present invention relates to a kind of modified aqueous acrylic acid resin, more particularly to a kind of long-lasting antibacterial water soluble acrylic acid tree
Fat and preparation method thereof, belong to functional resin technical field.
Background technology
Because microbial profile is quite varied in environment, so all the time, the existence of the mankind and health are by various thin
The threat of bacterium virus, nearly all inanimate surfaces have microorganism, such as：Medical care institutions, the public place of high-risk infection,
Station, hotel, hotel, airport, the bathroom under wet environment, spa cooling tower etc. in one's power.It is multiple resistance in above-mentioned sensitizing range
Medicine bacterium and pathogen, fungi have growth trend；The place surface for having bacterial growth can threaten human health, while its also shadow
Ring the actual use value of body surface or cause surface modification.And antibiotic paint can effectively kill the mould in air
With other bacteriums, cross-infection probability is reduced.
Antibiotic paints many at present are addition type antibiotic paint, using additional antiseptic, reach certain antibacterial effect, by
In addition scattered uneven, easy to migrate, degraded of the antiseptic in film, discoloration, effect not persistently, the pollution original such as environment
Cause, cause antibiotic paint anti-microbial property to decay, or even lose anti-microbial property, its application has significant limitation；Therefore will have
Antibacterial group is connected on macromolecular chain, with this height by the group of anti-microbial property by certain chemical reaction by chemical bond
Molecularly Imprinted Polymer is that base-material prepares antibiotic paint, has important economic value and the wide market space.
Therefore, the schiff bases structure with good antibacterial effect is introduced water-based acrylic resin by the present invention by chemical bond
In so that the acrylic resin high molecular polymer of preparation not only has the advantages of conventional propylene acid resin, also has well
Antibiotic and sterilizing effect.
The content of the invention
Schiff base compounds have certain bioactivity, first, schiff base compound in itself have well it is antibacterial,
Sterilization, antifungic action, such as have well to golden yellow staphylococcus, hay bacillus, Escherichia coli, Gram-negative bacteria etc.
Bactericidal activity, also there is good inhibiting effect to Cryptococcus neoformans and candida albicanses, schiff bases, which are removed, has general compound
Application value outside, the unique bioactives of other structures is also different from, by connecting on the substituent of carbonyl and amino
Structure of functional groups exist diversity and it is selective the features such as, fluoropolymer resin can be modified using its characteristic.
Therefore, the technical problem to be solved in the present invention be in order to overcome the additional antibacterial antiplaque agent effect persistence of physics it is poor,
Schiff bases structure with antibacterial effect is incorporated into water-based by the shortcomings of easily eluting, be degradable, the present invention by chemical bond mode
In acrylic resin molecular structure, not only with acrylic resin the advantages of, also with excellent durable antibiotic, fungistatic effect.
Other schiff bases, which contain C=N double bonds, has unique corrosion inhibition, especially aromatic schiff bases, its phenyl ring
Structure easily forms conjugated bonds with C=N double bonds, strong with metallic ion coordination ability, and stable network is easily formed with metal ion
Compound, fine and close diaphragm is formed in metal surface, so as to prevent corrosion of metal.
The present invention synthesizes the acrylic monomers of the structure containing schiff bases first, then carries out polymerisation, in the course of the polymerization process,
Schiff bases acrylic monomers is eventually adding, and schiff bases structure is connected on the end chain of molecular resin, after its film forming, schiff bases
Structure is in film coated surface, gives full play to its antibacterial, bacteriostatic activity and anti-corrosion inhibitive function.
Because the acrylic monomers molecular weight of the structure containing schiff bases is larger, steric hindrance is big in rear collecting process, in order to solve this
Problem, using the acrylic monomers containing schiff bases without methyl or branched structure, reduce reaction steric hindrance, improve reactivity.
Because acrylic resin adhesive force is poor, the present invention adds appropriate crosslinkers monomers hydroxy acrylic acid, its hydroxyl energy
Hydrogen bond is formed with base material, increases its adhesive force；After polymerisation during the phase, by acrylate monomers and schiff bases acrylic acid list
Body mixing is added dropwise, and effect is best.
The object of the invention aims to provide a kind of long-lasting antibacterial water-based acrylic resin and preparation method thereof.
In order to solve the problems, such as techniques as described above, the present invention takes following technical scheme：The present invention relates to a kind of lasting
Antibacterial water color acrylic resin, by weight percentage, its composition is：Acrylic acid soft monomer 8.0~15.0%, acrylic acid are hard
Monomer 12.0~25.0%, schiff bases acrylic monomers 3.0~6.0%, acrylic acid 1.5~2.5%, azodiisobutyronitrile 0.4
~1.0%, crosslinkers monomers 1.5~3.5%, emulsifying agent 1.0~2.0%, nertralizer 1.0~3.0%, remaining be deionization
Water.
Wherein, described acrylic acid hard monomer is methyl acrylate, methyl methacrylate, first isobomyl acrylate
Middle one or more of combination of ester, isobornyl methacrylate, 2- propylheptyl acrylate.
Described acrylic acid soft monomer is butyl acrylate, butyl methacrylate, EHMA, methyl-prop
In olefin(e) acid cyclohexyl, lauryl alcohol ester, lauryl acrylate, octadecyl methacrylate, octadecyl acrylate
One or more of combinations.
Described schiff bases acrylic monomers, synthesized by following reaction equation：
Described schiff bases acrylic monomers, by weight percentage, its composition is：Salicylide 15.0~25.0%, R-
NH214.0~42.0%, acryloyl chloride 11.0~19.0%, N,N-dimethylformamide 4.0~8.0%, KI 0.02~
0.1%th, potassium carbonate 8.0~15.0%, ethanol 15.0~35.0%, glacial acetic acid 0.5~1.0%.
Wherein, described R-NH2For N, N- dimethyl -1,3- propane diamine, isopropanolamine, lauryl amine, octadecylamine, aniline,
Hydrazides.
Described Schiff bases acrylic monomers, is prepared by following steps：
A) salicylide, potassium carbonate, are weighed successively in reactor, adds the DMF of formula ratio, are stirred
And be uniformly dissolved, it is warming up at 80 DEG C and reacts 1h, add acryloyl chloride and KI, maintains the reflux for reacting 12h, Ran Houleng
But, filter, be washed with water to neutrality, dry, recrystallization, obtain reactant intermediate I；
B), equipped with thermometer, agitator, condenser pipe reactor in, add reactant intermediate I and ethanol, heating
It is uniform to 80 DEG C of stirring and dissolvings；R-NH is weighed in addition2After being uniformly dissolved with ethanol, it is slowly dropped in reactor, is added dropwise,
Glacial acetic acid is added, 4~5h of reaction is maintained the reflux for, is cooled to room temperature after reaction completely, stands overnight, filter, recrystallization, vacuum is done
It is dry, obtain the schiff bases acrylic monomers.
Described crosslinkers monomers are hydroxy-ethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, metering system
Middle one or more of combination of sour hydroxypropyl acrylate.
Described nertralizer is at least one of triethylamine, ammoniacal liquor, dimethylethanolamine.
The present invention provides a kind of preparation method of long-lasting antibacterial water-based acrylic resin, and step is as follows：
A), weighed by formula rate, successively by acrylic acid soft monomer, acrylic acid, acrylic acid hard monomer, azodiisobutyronitrile
It is added in measuring tank G1 and stirs, obtains mixed liquor I；
B), weighed by formula rate, successively by hydroxy-acrylate monomer, schiff bases acrylic monomers, the isobutyl of azo two
Nitrile is added in measuring tank G2 and stirred, and obtains mixed liquor II；
C) portions of de-ionized water and emulsifying agent, are added into reactor, mixing speed be under 100r/min be warming up to 76 DEG C~
78 DEG C, 1/4 mixed liquor I is slowly added to, 0.5h is reacted, remaining mixed liquor I is then at the uniform velocity added dropwise, it is 2.5 to control time for adding
~3.5h, temperature control is at 75~80 DEG C during dropwise addition；
D), mixed liquor I is added dropwise, then mixed liquor II is at the uniform velocity added dropwise, and it is 2.0~3.0h to control time for adding, is dripped
To finish, reaction 2h is kept at 78~82 DEG C, reaction finishes, and is cooled to 35~45 DEG C, adds nertralizer and remaining deionized water,
0.5h is stirred, obtains described long-lasting antibacterial water-based acrylic resin.
Long-lasting antibacterial water-based acrylic resin produced by the present invention, there is good adhesive force, high glaze, anti-rust inhibition
Deng；Cost-effective, applicability is wide；During as antibiotic paint, without additional antiseptic, durable antibiotic, fungistatic effect can be reached, can
For coating for internal and external wall, water-borne wood coating, aqueous industrial coating etc..
Embodiment
The present invention is described further with reference to preparation of the following instance to long-lasting antibacterial water-based acrylic resin.It can manage
Solution, specific embodiment described herein are used only for explaining related invention, rather than the restriction to the invention.
Embodiment 1
A kind of schiff bases acrylic monomers A, is prepared by following steps：
A) 18.0 parts of salicylide, 10.2 parts of potassium carbonate, are weighed successively in reactor, add DMF
5.0 parts, stir dissolving, is warming up at 80 DEG C and reacts 1h, adds 0.06 part of 13.3 parts of acryloyl chloride and KI, keeps
Back flow reaction 12h, is then cooled down, and is washed with water to neutrality, is dried, recrystallization, obtains reactant intermediate I；
B), equipped with thermometer, agitator, condenser pipe reactor in, add reactant intermediate I and ethanol 10.0
Part, it is uniform to be warming up to 80 DEG C of stirring and dissolvings；Weigh 27.3 parts of lauryl amine in addition and after 15.44 parts of ethanol is uniformly dissolved, at the uniform velocity drip
It is added in reactor, is added dropwise, add 0.7 part of glacial acetic acid, maintains the reflux for 4~5h of reaction, room temperature is cooled to after reaction completely,
Stand overnight, filter, recrystallize, vacuum drying, obtain the schiff bases acrylic monomers A.
Embodiment 2
A kind of schiff bases acrylic monomers B, is prepared by following steps：
A) 20.0 parts of salicylide, 11.4 parts of potassium carbonate, are weighed successively in reactor, add DMF
6.0 parts, stir dissolving, is warming up at 80 DEG C and reacts 1h, adds 0.05 part of 14.8 parts of acryloyl chloride and KI, keeps
Back flow reaction 12h, is then cooled down, and is washed with water to neutrality, is dried, recrystallization, obtains reactant intermediate I；
B), equipped with thermometer, agitator, condenser pipe reactor in, add reactant intermediate I and ethanol 20.0
Part, it is uniform to be warming up to 80 DEG C of stirring and dissolvings；Weigh 15.2 parts of aniline in addition and after 11.85 parts of ethanol is uniformly dissolved, be at the uniform velocity added dropwise
Into reactor, it is added dropwise, adds 0.7 part of glacial acetic acid, maintains the reflux for 4~5h of reaction, room temperature is cooled to after reaction completely, it is quiet
Put overnight, filter, recrystallize, vacuum drying, obtain the schiff bases acrylic monomers B.
Embodiment 3
A kind of schiff bases acrylic monomers C, is prepared by following steps：
A) 25.0 parts of salicylide, 14.2 parts of potassium carbonate, are weighed successively in reactor, add DMF
8.0 parts, stir dissolving, is warming up at 80 DEG C and reacts 1h, adds 0.06 part of 18.5 parts of acryloyl chloride and KI, keeps
Back flow reaction 12h, is then cooled down, and is washed with water to neutrality, is dried, recrystallization, obtains reactant intermediate I；
B), equipped with thermometer, agitator, condenser pipe reactor in, add reactant intermediate I and ethanol 10.0
Part, it is uniform to be warming up to 80 DEG C of stirring and dissolvings；Weigh 15.4 parts of isopropanolamine in addition and after 7.94 parts of ethanol is uniformly dissolved, at the uniform velocity drip
It is added in reactor, is added dropwise, add 0.9 part of glacial acetic acid, maintains the reflux for 4~5h of reaction, room temperature is cooled to after reaction completely,
Stand overnight, filter, recrystallize, vacuum drying, obtain the schiff bases acrylic monomers C.
Embodiment 4
A kind of long-lasting antibacterial water-based acrylic resin A1, step is as follows：
A), weighed by formula rate, successively by 16.0 parts of methyl methacrylate, 2.0 parts of acrylic acid, butyl acrylate
4.5 parts, 6.0 parts of lauryl alcohol ester, 0.4 part of azodiisobutyronitrile be added in measuring tank G1 and stir, obtain
Mixed liquor I；
B), weighed by formula rate, successively by 2.5 parts of hydroxyethyl methacrylate, schiff bases acrylic monomers A 4.5
Part, 0.3 part of azodiisobutyronitrile are added in measuring tank G2 and stirred, and obtain mixed liquor II；
C), by 1.2 parts of addition reactors of 45.0 parts of deionized water and emulsifying agent, mixing speed is heating under 100r/min
To 76 DEG C~78 DEG C, 1/4 mixed liquor I is slowly added to, reacts 0.5h, remaining mixed liquor I is then at the uniform velocity added dropwise, when control is added dropwise
Between be 3h, temperature control is at 75~80 DEG C during dropwise addition；
D) after, mixed liquor I is added dropwise, then mixed liquor II is at the uniform velocity added dropwise, it is 3h to control time for adding, is added dropwise,
Reaction 2h is kept at 78~82 DEG C, reaction finishes, and is cooled to 35~45 DEG C, adds 1.7 parts of nertralizer triethylamine and remaining
15.9 parts of deionized waters, 0.5h is stirred, obtain described long-lasting antibacterial water-based acrylic resin A1。
Embodiment 5
A kind of long-lasting antibacterial water-based acrylic resin B1, step is as follows：
A), weighed by formula rate, successively by 14.0 parts of first isobornyl acrylate, 1.8 parts of acrylic acid, methacrylic acid
5.2 parts of butyl ester, 6.5 parts of EHMA, 0.4 part of azodiisobutyronitrile are added in measuring tank G1 and stirred,
Obtain mixed liquor I；
B), weighed by formula rate, successively by 3.0 parts of hydroxy-ethyl acrylate, 4.0 parts of schiff bases acrylic monomers B, idol
0.3 part of nitrogen bis-isobutyronitrile is added in measuring tank G2 and stirred, and obtains mixed liquor II；
C), by 1.3 parts of addition reactors of 47.0 parts of deionized water and emulsifying agent, mixing speed is heating under 100r/min
To 76 DEG C~78 DEG C, 1/4 mixed liquor I is slowly added to, reacts 0.5h, remaining mixed liquor I is then at the uniform velocity added dropwise, when control is added dropwise
Between be 3.5h, temperature control is at 75~80 DEG C during dropwise addition；
D) after, mixed liquor I is added dropwise, then mixed liquor II is at the uniform velocity added dropwise, it is 3h to control time for adding, is added dropwise,
Reaction 2h is kept at 78~82 DEG C, reaction finishes, and is cooled to 35~45 DEG C, adds 1.5 parts of nertralizer triethylamine and remaining
15.0 parts of deionized waters, 0.5h is stirred, obtain described long-lasting antibacterial water-based acrylic resin B1。
Embodiment 6
A kind of long-lasting antibacterial water-based acrylic resin C1, step is as follows：
A), weighed by formula rate, successively by 20.0 parts of methyl acrylate, 2.2 parts of acrylic acid, butyl methacrylate
8.0 parts, 2.5 parts of octadecyl acrylate, 0.5 part of azodiisobutyronitrile be added in measuring tank G1 and stir, obtain mixed liquor
Ⅰ；
B), weighed by formula rate, successively by 3.0 parts of hydroxy propyl methacrylate, schiff bases acrylic monomers C 3.5
Part, 0.3 part of azodiisobutyronitrile are added in measuring tank G2 and stirred, and obtain mixed liquor II；
C), by 1.5 parts of addition reactors of 45.0 parts of deionized water and emulsifying agent, mixing speed is heating under 100r/min
To 76 DEG C~78 DEG C, 1/4 mixed liquor I is slowly added to, reacts 0.5h, remaining mixed liquor I is then at the uniform velocity added dropwise, when control is added dropwise
Between be 3h, temperature control is at 75~80 DEG C during dropwise addition；
D) after, mixed liquor I is added dropwise, then mixed liquor II is at the uniform velocity added dropwise, it is 3h to control time for adding, is added dropwise,
Reaction 2h is kept at 78~82 DEG C, reaction finishes, and is cooled to 35~45 DEG C, adds 1.9 parts of nertralizer triethylamine and remaining
11.6 parts of deionized waters, 0.5h is stirred, obtain described long-lasting antibacterial water-based acrylic resin C1。
The long-lasting antibacterial water-based acrylic resin prepared to the present invention, by HG/T3950-2007《Antibiotic paint》Mark
The anti-microbial property of quasi- test emulsion film, its test result are as shown in table 1.
The long-lasting antibacterial water-based acrylic resin film anti-microbial property test result of table 1
By the long-lasting antibacterial water-based acrylic resin in the embodiment of the present invention and conventional water-based acrylic resin+antibacterial
Agent (comparative example) is according to HG/T3950-2007《Antibiotic paint》Standard durable antibiotic performance test is carried out to film, it is tested thin
Bacterium is Escherichia coli.Anti-microbial property detection is carried out to film first, after the completion of test, the sonic oscillation that 2h is carried out to film cleans
After carry out anti-microbial property test, the result of test is as shown in table 2.
The water-based acrylic resin film durable antibiotic performance of table 2
Note:Negative control sample refers to the control sample sample containing only culture medium, without antiseptic.
Although the present invention has been explained in detail and has been cited embodiment, for one of ordinary skill in the art, show
Various schemes, modification and the change that can so make as specified above, should be construed as being included within the scope of claim.
Claims (6)
- A kind of 1. long-lasting antibacterial water-based acrylic resin, it is characterised in that：Described long-lasting antibacterial water-based acrylic resin, By weight percentage, its composition is：Acrylic acid soft monomer 8.0~15.0%, acrylic acid hard monomer 12.0~25.0%, Schiff Alkali acrylic monomers 3.0~6.0%, acrylic acid 1.5~2.5%, azodiisobutyronitrile 0.4~1.0%, crosslinkers monomers 1.5 ~3.5%, emulsifying agent 1.0~2.0%, nertralizer 1.0~3.0%, remaining be deionized water；Wherein, the schiff bases acrylic monomers, by weight percentage, its composition is：Salicylide 15.0~25.0%, R-NH2 14.0~42.0%, acryloyl chloride 11.0~19.0%, N,N-dimethylformamide 4.0~8.0%, KI 0.02~ 0.1%th, potassium carbonate 8.0~15.0%, ethanol 15.0~35.0%, glacial acetic acid 0.5~1.0%；The schiff bases acrylic monomers, synthesized by following reaction equation：The R-NH2For N, one kind in N- dimethyl -1,3- propane diamine, isopropanolamine, lauryl amine, octadecylamine, aniline, hydrazides.
- 2. long-lasting antibacterial water-based acrylic resin according to claim 1, it is characterised in that：Described acrylic acid is firmly single Body is methyl acrylate, methyl methacrylate, first isobornyl acrylate, isobornyl methacrylate, 2- propylheptyls Middle one or more of combination of acrylate；Described acrylic acid soft monomer is butyl acrylate, butyl methacrylate, first Base Isooctyl acrylate monomer, cyclohexyl methacrylate, lauryl alcohol ester, lauryl acrylate, methacrylic acid ten Middle one or more of combination of octaester, octadecyl acrylate.
- 3. long-lasting antibacterial water-based acrylic resin according to claim 1, it is characterised in that：Described crosslinkers monomers For hydroxy-ethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, hydroxy propyl methacrylate it is middle one or more of Combination.
- 4. long-lasting antibacterial water-based acrylic resin according to claim 1, it is characterised in that：Described nertralizer is three At least one of ethamine, ammoniacal liquor, dimethylethanolamine.
- 5. long-lasting antibacterial water-based acrylic resin according to claim 1, it is characterised in that：The schiff bases acrylic acid Monomer, preparation process are as follows：A) salicylide, potassium carbonate, are weighed successively in reactor, adds the DMF of formula ratio, are stirred and molten Solution is uniform, is warming up at 80 DEG C and reacts 1h, adds acryloyl chloride and KI, maintains the reflux for reacting 12h, then cools down, take out Filter, it is washed with water to neutrality, dries, recrystallization, obtain reactant intermediate I；B), equipped with thermometer, agitator, condenser pipe reactor in, add reactant intermediate I and ethanol, be warming up to 80 DEG C stirring and dissolving is uniform；R-NH is weighed in addition2After being uniformly dissolved with ethanol, it is slowly dropped in reactor, is added dropwise, adds Glacial acetic acid, 4~5h of reaction is maintained the reflux for, room temperature is cooled to after reaction completely, stands overnight, is filtered, is recrystallized, vacuum drying, Obtain the schiff bases acrylic monomers.
- A kind of 6. preparation method of long-lasting antibacterial water-based acrylic resin as claimed in claim 1, it is characterised in that：It is described Preparation process is as follows：A), weigh by formula rate, successively add acrylic acid soft monomer, acrylic acid, acrylic acid hard monomer, azodiisobutyronitrile Into measuring tank G1 and stir, obtain mixed liquor I；B), weigh by formula rate, successively add hydroxy-acrylate monomer, schiff bases acrylic monomers, azodiisobutyronitrile Enter into measuring tank G2 and stir, obtain mixed liquor II；C) portions of de-ionized water and emulsifying agent, are added into reactor, mixing speed is under 100r/min, is warming up to 76 DEG C~78 DEG C, be slowly added to 1/4 mixed liquor I, react 0.5h, remaining mixed liquor I is then at the uniform velocity added dropwise, control time for adding be 2.5~ 3.5h, temperature control is at 75~80 DEG C during dropwise addition；D), mixed liquor I is added dropwise, then mixed liquor II is at the uniform velocity added dropwise, and it is 2.0~3.0h to control time for adding, is added dropwise, Reaction 2h is kept at 78~82 DEG C, reaction finishes, and is cooled to 35~45 DEG C, adds nertralizer and remaining deionized water, stirring 0.5h, obtain described long-lasting antibacterial water-based acrylic resin.
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| CN110194944A (en) * | 2019-06-20 | 2019-09-03 | 佛山南宝高盛高新材料有限公司 | A kind of structural type antibacterial moisture-curable polyurethane hot melt adhesive and preparation method thereof |
| CN110845655A (en) * | 2019-11-19 | 2020-02-28 | 合众（佛山）化工有限公司 | Self-antibacterial water-based acrylic resin color modifier |
| CN110903439A (en) * | 2019-11-19 | 2020-03-24 | 合众（佛山）化工有限公司 | Polyether amine derivative modified styrene-acrylic emulsion and preparation method thereof |
| CN110922540A (en) * | 2019-11-19 | 2020-03-27 | 合众（佛山）化工有限公司 | Polyether amine derivative modified waterborne acrylic resin and preparation method thereof |
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