CN106243885B - A kind of antimicrobial nano water paint and the preparation method and application thereof - Google Patents
A kind of antimicrobial nano water paint and the preparation method and application thereof Download PDFInfo
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- CN106243885B CN106243885B CN201610764255.4A CN201610764255A CN106243885B CN 106243885 B CN106243885 B CN 106243885B CN 201610764255 A CN201610764255 A CN 201610764255A CN 106243885 B CN106243885 B CN 106243885B
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- C—CHEMISTRY; METALLURGY
- 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
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- C—CHEMISTRY; METALLURGY
- 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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses a kind of antimicrobial nano water paints and the preparation method and application thereof.The antimicrobial nano water paint is made of nano silver modified ultra-branching nano silica slurry, polyacrylate dispersion, coalescing agent and wetting agent, it is in terms of 100% by the gross mass of antimicrobial nano water paint, each component mass percentage is as follows: nano silver modified ultra-branching nano silica slurry 15~35%, polyacrylate dispersion 55~80%, coalescing agent 3~5%, wetting agent 2~5%.The present invention obtains stability, anti-microbial property and the excellent antimicrobial nano water paint of water resistance by the way that nano silver modified ultra-branching nano silica slurry is added.
Description
Technical field
The invention belongs to technical field of coatings, be related to a kind of water paint more particularly to a kind of antimicrobial nano water paint and its
Preparation method and application.
Background technique
In order to meet building coating decoration, environmental protection, energy conservation and in terms of higher requirement, in recent years, both at home and abroad
Coating hydrotropismization, high-weatherability and high-performance direction are developed, this has pushed organic knot of nanotechnology and building coating significantly
It closes.Currently, common nanometer water paint can increase substantially the ageing resistance of water paint, adhesive force, finish, resist and be stained in the market
The performances such as dirt, sterilization, mould proof and anti-noise are the green products of high-tech content of new generation.However, due to nanoparticle
Partial size is minimum, and the surface atom proportion of nanoparticle reduces with partial size and increased sharply, the exposed portion of surface atom
Point do not have a strong effect, stress is asymmetric, and valence link is unsaturated, have the tendency that with extraneous atomistic binding, it is therefore, common in the market
Nanometer water paint is easy to appear the phenomenon that nanoparticle is reunited in preparation, storage and use process, once it is agglomerated into secondary grain
Son, this offspring are difficult to play nano effect.Therefore, the preparation key of nanometer water paint is to solve nano material aqueous
The dispersed bad and not high problem of water paint product stability in paint.In addition, meeting water after water paint solidification since hydrophily is strong
It is easy dissolution or generates ruckbildung, therefore, how to improve the water resistance of water paint is also one of research emphasis of this field.
Summary of the invention
It is in view of the shortcomings of the prior art and insufficient, the primary purpose of the present invention is that a kind of antimicrobial nano water paint is provided,
The antimicrobial nano water paint obtains stability, antibiotic property by the way that nano silver modified ultra-branching nano silica slurry is added
It can be with the excellent antimicrobial nano water paint of water resistance.
It is another object of the present invention to provide the preparation method of above-mentioned antimicrobial nano water paint, the preparation method behaviour
Make simplicity, there is universality.
A further object of the present invention is to provide the applications of above-mentioned antimicrobial nano water paint.
The object of the invention is achieved through the following technical solutions:
A kind of antimicrobial nano water paint, by nano silver modified ultra-branching nano silica slurry, polyacrylate cream
Liquid, coalescing agent and wetting agent composition, are in terms of 100% by the gross mass of antimicrobial nano water paint, each component mass percentage is such as
Under: nano silver modified ultra-branching nano silica slurry 15~35%, polyacrylate dispersion 55~80%, coalescing agent 3~
5%, wetting agent 2~5%.
The nano silver modified ultra-branching nano silica slurry is by nano silver, trimethyl silanol, nano-silica
SiClx, sodium alginate, deionized water, aminopropyl triethoxysilane, n-butanol, 3,5- diaminobenzoic acid and amido silicon oil are
Raw material is prepared, and is each component quality hundred in terms of 100% by the gross mass of nano silver modified ultra-branching nano silica slurry
Divide content as follows: nano silver 8~15%, trimethyl silanol 2~5%, nano silica 10~18%, sodium alginate 1~
2%, deionized water 8~15%, aminopropyl triethoxysilane 10~15%, n-butanol 10~40%, 3,5- diaminobenzoic acid 15
~25%, amido silicon oil 6~8%.
The polyacrylate dispersion is the aqueous dispersion of acrylate copolymer.
The coalescing agent is propylene glycol monomethyl ether or dipropylene glycol methyl ether.
The wetting agent is organic silicon surfactant.
A kind of preparation method of antimicrobial nano water paint, specific step is as follows for the method:
(1) by mass percentage, in first reaction kettle, 8~15% nano silvers and 2~5% trimethyl hydroxyls are added
Silane is stirred at room temperature 20 minutes under 2000 revs/min of revolving speed；Add 10~18% nano silicas, 1~2%
Sodium alginate and 8~15% deionized waters are stirred at room temperature 1 hour under 1000 revs/min of revolving speed；Then, 10 are added
It is small to stir 8 under 500 revs/min of revolving speed at 100 DEG C for~15% aminopropyl triethoxysilane and 10~40% n-butanols
When, after being cooled to room temperature, 15~25% 3 are added, 5- diaminobenzoic acid, under nitrogen protection, in 500 revs/min of revolving speed
Under, it stirs 2 hours, is cooled to room temperature at 100 DEG C；Finally, 6~8% amido silicon oils are added, in 2000 revs/min of revolving speed
Under, it is stirred at room temperature 1 hour, obtains nano silver modified ultra-branching nano silica slurry, it is spare；
(2) by mass percentage, in second reaction kettle, it is modified that nano silver made from 15~35% steps (1) is added
Hyperbranched nano silica slurry and 55~80% polyacrylate dispersions, under 1000 revs/min of revolving speed, at room temperature
Stirring 3 hours；Then, 3~5% coalescing agents are added and 2~5% wetting agents stirs at room temperature under 500 revs/min of revolving speed
It mixes 3 hours, obtains antimicrobial nano water paint.
A kind of application of antimicrobial nano water paint, the application are antimicrobial nano water paint answering in medical instrument coating
With.
Compared with prior art, the present invention has the following advantages and beneficial effects:
(1) antimicrobial nano water paint of the present invention, by the way that nano silver modified ultra-branching nano silica slurry is added
Material, since hyperbranched substance has the characteristics that highly dissoluble, low viscosity and higher reactivity, efficiently avoids nanoparticle
The reunion of son, meanwhile, using the efficient sterilizing performance of nano silver, obtain stability and anti-microbial property it is excellent antimicrobial nano it is aqueous
Paint；
(2) antimicrobial nano water paint of the present invention, since the hydrophilic radical on polyacrylate is modified by nano silver
The amino of hyperbranched nano-silica surface is attracted, so that the hydrophobic grouping on polyacrylate is exposed to polyacrylate
Surface greatly strengthens the water resistance of antimicrobial nano water paint.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment 1
The antimicrobial nano water paint of the present embodiment is prepared by the following procedure step and is prepared:
(1) by mass percentage, in first reaction kettle, 10% nano silver and 5% trimethyl silanol is added,
Under 2000 revs/min of revolving speed, it is stirred at room temperature 20 minutes；Add 18% nano silica, 2% sodium alginate and 10%
Deionized water is stirred at room temperature 1 hour under 1000 revs/min of revolving speed；Then, 12% aminopropyl-triethoxy silicon is added
Alkane and 10% n-butanol stir 8 hours at 100 DEG C under 500 revs/min of revolving speed, after being cooled to room temperature, are added 25% 3,
5- diaminobenzoic acid under 500 revs/min of revolving speed, stirs 2 hours at 100 DEG C under nitrogen protection, is cooled to room
Temperature；It is stirred at room temperature 1 hour under 2000 revs/min of revolving speed finally, 8% amido silicon oil is added, it is modified to obtain nano silver
Hyperbranched nano silica slurry, it is spare；
(2) by mass percentage, in second reaction kettle, the modified over-expense of nano silver made from 35% step (1) is added
Change nano silica slurry and 55% polyacrylate dispersion (ROHM AND HAAS AC-261P), under 1000 revs/min of revolving speed,
It is stirred at room temperature 3 hours；Then, 5% propylene glycol monomethyl ether (coalescing agent) and 5% wetting agent (Bi Ke BYK-346) is added,
Under 500 revs/min of revolving speed, it is stirred at room temperature 3 hours, obtains antimicrobial nano water paint.
The properties of antimicrobial nano water paint made from the present embodiment are as follows:
(1) stability of antimicrobial nano water paint are as follows: tested after placing 3 months, antimicrobial nano water paint appearance is unchanged；
(2) anti-microbial property of the paint film of antimicrobial nano water paint are as follows: to the antibiotic rate 99.2% of Escherichia coli, to golden yellow
Staphylococcic antibiotic rate 99.3%；
(3) water resistance of the paint film of antimicrobial nano water paint are as follows: paint film is tested unchanged after placing 48 hours at 40 DEG C.
Embodiment 2
The antimicrobial nano water paint of the present embodiment is prepared by the following procedure step and is prepared:
(1) by mass percentage, in first reaction kettle, 8% nano silver and 2% trimethyl silanol is added,
Under 2000 revs/min of revolving speed, it is stirred at room temperature 20 minutes；Add 10% nano silica, 1% sodium alginate and 8% is gone
Ionized water is stirred at room temperature 1 hour under 1000 revs/min of revolving speed；Then, 10% aminopropyl triethoxysilane is added
It is stirred 8 hours at 100 DEG C under 500 revs/min of revolving speed with 40% n-butanol, after being cooled to room temperature, is added 15% 3,5-
Diaminobenzoic acid under 500 revs/min of revolving speed, is stirred 2 hours at 100 DEG C, is cooled to room temperature under nitrogen protection；
It is stirred at room temperature 1 hour under 2000 revs/min of revolving speed finally, 6% amido silicon oil is added, it is modified super to obtain nano silver
Branching nano silica slurry, it is spare；
(2) by mass percentage, in second reaction kettle, the modified over-expense of nano silver made from 15% step (1) is added
Change nano silica slurry and 80% polyacrylate dispersion (ROHM AND HAAS AC-261P), under 1000 revs/min of revolving speed,
It is stirred at room temperature 3 hours；Then, 3% dipropylene glycol methyl ether (coalescing agent) and 2% wetting agent (Bi Ke BYK-346) is added,
Under 500 revs/min of revolving speed, it is stirred at room temperature 3 hours, obtains antimicrobial nano water paint.
The properties of antimicrobial nano water paint made from the present embodiment are as follows:
(1) stability of antimicrobial nano water paint are as follows: tested after placing 3 months, antimicrobial nano water paint appearance is unchanged；
(2) anti-microbial property of the paint film of antimicrobial nano water paint are as follows: to the antibiotic rate 98.0% of Escherichia coli, to golden yellow
Staphylococcic antibiotic rate 99.0%；
(3) water resistance of the paint film of antimicrobial nano water paint are as follows: paint film is tested unchanged after placing 48 hours at 40 DEG C.
Embodiment 3
The antimicrobial nano water paint of the present embodiment is prepared by the following procedure step and is prepared:
(1) by mass percentage, in first reaction kettle, 15% nano silver and 3% trimethyl silanol is added,
Under 2000 revs/min of revolving speed, it is stirred at room temperature 20 minutes；Add 12% nano silica, 1.5% sodium alginate and
15% deionized water is stirred at room temperature 1 hour under 1000 revs/min of revolving speed；Then, 15% aminopropyl, three ethoxy is added
Base silane and 15% n-butanol stir 8 hours at 100 DEG C under 500 revs/min of revolving speed, after being cooled to room temperature, are added
16% 3,5- diaminobenzoic acid under 500 revs/min of revolving speed, stirs 2 hours at 100 DEG C under nitrogen protection, cold
But to room temperature；It is stirred at room temperature 1 hour, is received under 2000 revs/min of revolving speed finally, 7.5% amido silicon oil is added
The silver-colored modified ultra-branching nano silica slurry of rice, it is spare；
(2) by mass percentage, in second reaction kettle, the modified over-expense of nano silver made from 25% step (1) is added
Change nano silica slurry and 68% polyacrylate dispersion (ROHM AND HAAS AC-261P), under 1000 revs/min of revolving speed,
It is stirred at room temperature 3 hours；Then, 4% propylene glycol monomethyl ether (coalescing agent) and 3% wetting agent (Bi Ke BYK-346) is added,
Under 500 revs/min of revolving speed, it is stirred at room temperature 3 hours, obtains antimicrobial nano water paint.
The properties of antimicrobial nano water paint made from the present embodiment are as follows:
(1) stability of antimicrobial nano water paint are as follows: tested after placing 3 months, antimicrobial nano water paint appearance is unchanged；
(2) anti-microbial property of the paint film of antimicrobial nano water paint are as follows: to the antibiotic rate 99.3% of Escherichia coli, to golden yellow
Staphylococcic antibiotic rate 99.5%；
(3) water resistance of the paint film of antimicrobial nano water paint are as follows: paint film is tested unchanged after placing 48 hours at 40 DEG C.
The stability of antimicrobial nano water paint described in above-described embodiment, to the antibiotic rate of Escherichia coli and to golden yellow
The test method of staphylococcic antibiotic rate and water resistance is as follows:
(1) stability is tested by " GB/T 6753.3-1986 coating storage stability test method "；
(2) " ISO 22196-2007 plastics are pressed to the antibiotic rate of Escherichia coli and to the antibiotic rate of staphylococcus aureus
The active measurement of antibacterial surface " test；
(3) water resistance presses " GB/T 1733-1993 paint film water resistance measuring method ".
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (6)
1. a kind of antimicrobial nano water paint, which is characterized in that the antimicrobial nano water paint is by nano silver modified ultra-branching nanometer
Silica slurry, polyacrylate dispersion, coalescing agent and wetting agent composition, the gross mass with antimicrobial nano water paint are
100% meter, each component mass percentage are as follows: nano silver modified ultra-branching nano silica slurry 15~35%, polypropylene
Acid esters lotion 55~80%, coalescing agent 3~5%, wetting agent 2~5%；Wherein, by mass percentage, in a kettle, it is added
8~15% nano silvers and 2~5% trimethyl silanols are stirred at room temperature 20 minutes under 2000 revs/min of revolving speed；Again
10~18% nano silicas, 1~2% sodium alginate and 8~15% deionized waters are added, under 1000 revs/min of revolving speed,
It is stirred at room temperature 1 hour；Then, 10~15% aminopropyl triethoxysilanes and 10~40% n-butanols are added, 500 turns/
Minute revolving speed under, stir 8 hours at 100 DEG C, after being cooled to room temperature, addition 15~25% 3,5- diaminobenzoic acid,
Under nitrogen protection, under 500 revs/min of revolving speed, stirs 2 hours, be cooled to room temperature at 100 DEG C；Finally, being added 6~8%
Amido silicon oil is stirred at room temperature 1 hour under 2000 revs/min of revolving speed, obtains nano silver modified ultra-branching nano-silica
SiClx slurry.
2. antimicrobial nano water paint according to claim 1, which is characterized in that the polyacrylate dispersion is acrylic acid
The aqueous dispersion of ester copolymer.
3. antimicrobial nano water paint according to claim 1, which is characterized in that the coalescing agent be propylene glycol monomethyl ether or
Dipropylene glycol methyl ether.
4. antimicrobial nano water paint according to claim 1, which is characterized in that the wetting agent is organosilicone surfactant
Agent.
5. a kind of preparation method of antimicrobial nano water paint, which comprises the steps of:
(1) by mass percentage, in first reaction kettle, 8~15% nano silvers and 2~5% trimethyl silanols are added,
Under 2000 revs/min of revolving speed, it is stirred at room temperature 20 minutes；Add 10~18% nano silicas, 1~2% seaweed
Sour sodium and 8~15% deionized waters are stirred at room temperature 1 hour under 1000 revs/min of revolving speed；Then, 10~15% are added
Aminopropyl triethoxysilane and 10~40% n-butanols stir 8 hours at 100 DEG C under 500 revs/min of revolving speed, cold
But to after room temperature, be added 15~25% 3,5- diaminobenzoic acid, under nitrogen protection, under 500 revs/min of revolving speed,
It stirs 2 hours, is cooled to room temperature at 100 DEG C；Finally, 6~8% amido silicon oils are added, under 2000 revs/min of revolving speed, in room
Temperature lower stirring 1 hour, nano silver modified ultra-branching nano silica slurry is obtained, it is spare；
(2) by mass percentage, in second reaction kettle, the modified over-expense of nano silver made from 15~35% steps (1) is added
Change nano silica slurry and 55~80% polyacrylate dispersions are stirred at room temperature 3 under 1000 revs/min of revolving speed
Hour；Then, 3~5% coalescing agents are added and it is small is stirred at room temperature 3 under 500 revs/min of revolving speed for 2~5% wetting agents
When, obtain antimicrobial nano water paint.
6. application of the antimicrobial nano water paint described in claim 1 in medical instrument coating.
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| CN201610764255.4A CN106243885B (en) | 2016-08-30 | 2016-08-30 | A kind of antimicrobial nano water paint and the preparation method and application thereof |
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| CN110358410A (en) * | 2019-08-06 | 2019-10-22 | 天津恒燊科技发展有限公司 | A kind of antimicrobial nano water paint and preparation method thereof |
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| KR100624964B1 (en) * | 2004-11-18 | 2006-09-15 | 대한주택공사 | Coating composition for antibiosis underground water tank using liquid type nano silver |
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| CN101654572A (en) * | 2008-08-22 | 2010-02-24 | 比亚迪股份有限公司 | Nano coating and preparation method thereof |
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Effective date of registration: 20190104 Address after: 528311 No. 8 West Road, Xihai Second Branch Industrial Zone, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Hua'nanshu Water Based Coating Co., Ltd. Address before: 246300 Qianshan County Economic and Technological Development Zone, Anqing City, Anhui Province Patentee before: ANHUI KINGMR MATERIAL TECHNOLOGY CO., LTD. |
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