CN112625588A - Self-adsorption type antibacterial two-component water-based paint - Google Patents
Self-adsorption type antibacterial two-component water-based paint Download PDFInfo
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- CN112625588A CN112625588A CN202011507536.4A CN202011507536A CN112625588A CN 112625588 A CN112625588 A CN 112625588A CN 202011507536 A CN202011507536 A CN 202011507536A CN 112625588 A CN112625588 A CN 112625588A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a self-adsorption type antibacterial two-component water-based paint which comprises a component A and a component B, wherein the component A and the component B are as follows according to the weight part ratio: a and B are 4-7: 1; the component A comprises the following specific components in parts by weight: 100.0-150.0 parts of hydroxyl waterborne resin, 1.0-10.0 parts of auxiliary agent and 10.0-30.0 parts of deionized water; wherein, the component B is a self-adsorption type antibacterial water-based curing agent which is prepared by the reaction of tripolymer, dimethylolpropionic acid, alkyd resin, triptycene derivative, 2-hydroxychalcone, polyalcohol and neutralizer; the self-adsorption type antibacterial two-component water-based paint prepared by the invention adopts the water-based curing agent with adsorption function and antibacterial property, does not need to add an antibacterial agent and an adsorbent, has good antibacterial function and adsorption property, and effectively makes up the defects of the existing water-based two-component paint.
Description
Technical Field
The invention relates to a water-based paint, in particular to a self-adsorption type antibacterial two-component water-based paint, belonging to the technical field of water-based functional paints.
Background
The traditional solvent type polyurethane coating contains a large amount of harmful and toxic organic volatile substances, and seriously pollutes the environment, while the water-based single-component polyurethane has low solid content, low density and poor coating regularity, so the aspects of water resistance, solvent resistance, chemical resistance, wear resistance, hardness and the like are far away from the solvent type polyurethane coating.
The two-component waterborne polyurethane consists of hydroxyl-containing waterborne polyol resin and an NCO-group-containing low-viscosity polyisocyanate curing agent, and the film coating performance of the two-component waterborne polyurethane is mainly determined by the composition and structure of the hydroxyl resin and the curing agent. The conventional double-component waterborne polyurethane coating is crosslinked and cured with polyisocyanate, and although the performances such as crosslinking density and the like of the coating are improved, the performance indexes such as antibacterial property, adsorption and the like of the coating do not meet the ideal requirements.
Disclosure of Invention
In order to solve the problems, the invention adopts the water-based curing agent with good antibacterial property and adsorption property, and can be matched with the water-based resin containing hydroxyl group at will, thereby effectively solving the problems of no antibacterial property, no adsorption capacity and the like of the double-component water-based paint.
The invention adopts the following technical scheme: the invention relates to a self-adsorption type antibacterial two-component water-based paint which comprises a component A and a component B.
The component A comprises the following specific components in parts by weight: 100.0-150.0 parts of hydroxyl waterborne resin, 1.0-10.0 parts of auxiliary agent and 10.0-30.0 parts of deionized water; wherein the component B is a self-adsorption type antibacterial water-based curing agent.
The component A and the component B are as follows according to the weight ratio: a: b is 4-7: 1.
The auxiliary agents are at least four of pH regulator, defoamer, antifreeze, flatting agent, wetting agent, thickener, cellulose, film forming auxiliary agent and nano water-based color paste.
The hydroxyl water-based resin is one or a combination of more of hydroxyl water-based alkyd resin, hydroxyl water-based acrylic resin and hydroxyl polyester resin.
The component B is a self-adsorption type antibacterial water-based curing agent, and adopts the following technical scheme: the composition comprises the following components in parts by weight: 100.0-200.0 parts of tripolymer, 3.0-8.0 parts of dimethylolpropionic acid, 6.0-18.0 parts of alkyd resin, 3.0-6.0 parts of triptycene derivative, 1.5-2.5 parts of 2-hydroxy chalcone, 2.0-5.0 parts of polyol, 0.01-0.1 part of dibutyltin dilaurate, 2.5-10.0 parts of neutralizer and 15.0-30.0 parts of inert solvent.
Wherein the triptycene derivative is prepared by reacting 2,6, 14-triaminotriptycene with hydroxycitronellal.
The trimer is one or the combination of two of isophorone diisocyanate trimer and hexamethylene diisocyanate trimer.
The polyalcohol is one or a combination of more of 1, 4-cyclohexanedimethanol, 1, 4-butanediol, ethylene glycol, neopentyl glycol, propylene glycol and trimethylolpropane.
The inert solvent is one or a combination of several of diethylene glycol ethyl ether acetate, N-methyl pyrrolidone, propylene glycol methyl ether acetate and propylene glycol ethyl ether acetate.
The neutralizing agent is one or the combination of two of triethylamine and sodium bicarbonate.
The invention provides a preparation method of a self-adsorption type antibacterial water-based curing agent, which comprises the following steps:
a) carrying out water removal treatment on an inert solvent and polyhydric alcohol in advance to obtain a pretreatment mixed solution;
b) introducing nitrogen into the reactor, adding the pretreated mixed solution, the triptycene derivative, the dimethylolpropionic acid and the alkyd resin according to the formula amount, heating, stirring and dissolving;
c) adding a trimer, carrying out heat preservation and stirring reaction at 82-84 ℃ for 2.0-2.5 h, detecting the NCO value, dropwise adding dibutyltin dilaurate, heating to 86-88 ℃, carrying out heat preservation reaction for 1.5-2.0 h, detecting the NCO value, and when the NCO value is consistent with the designed value;
d) cooling, adding a neutralizing agent, dispersing uniformly, filtering and discharging to obtain the self-adsorption type antibacterial water-based curing agent.
Compared with the prior art, the self-adsorption type antibacterial two-component water-based paint prepared by the invention has the following advantages: the self-adsorption type antibacterial two-component water-based paint prepared by the invention adopts the water-based curing agent with adsorption function and antibacterial property, does not need to add an antibacterial agent and an adsorbent, has good antibacterial function and adsorption property, and effectively makes up the defects of the existing water-based two-component paint.
Detailed Description
The present invention is further described with reference to the following examples in which a self-adsorbing antimicrobial two-component aqueous coating is used. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention.
Example 1
A self-adsorption type antibacterial water-based curing agent X comprises the following components in parts by weight: 180.0 parts of isophorone diisocyanate trimer, 6.0 parts of dimethylolpropionic acid, 14.0 parts of alkyd resin, 4.5 parts of triptycene derivative, 2.0 parts of 2-hydroxychalcone, 3.0 parts of 1, 4-butanediol, 0.05 part of dibutyltin dilaurate, 6.0 parts of triethylamine and 25.0 parts of diethylene glycol ethyl ether acetate.
The preparation method of the self-adsorption type antibacterial water-based curing agent X in the embodiment comprises the following steps:
a) carrying out water removal treatment on diethylene glycol ethyl ether acetate and 1, 4-butanediol in advance to obtain a pretreatment mixed solution;
b) introducing nitrogen into the reactor, adding the pretreated mixed solution, the triptycene derivative, the dimethylolpropionic acid and the alkyd resin according to the formula amount, heating, stirring and dissolving;
c) adding isophorone diisocyanate trimer, keeping the temperature of 82-84 ℃, stirring, reacting for 2.5 hours, detecting the NCO value, dropwise adding dibutyltin dilaurate, heating to 86-88 ℃, keeping the temperature, reacting for 2.0 hours, detecting the NCO value, and when the NCO value is consistent with the designed value;
d) cooling, adding triethylamine, dispersing uniformly, filtering and discharging to obtain the self-adsorption type antibacterial water-based curing agent X.
Example 2
A self-adsorption type antibacterial water-based curing agent Y comprises the following components in parts by weight: 150.0 parts of hexamethylene diisocyanate trimer, 5.5 parts of dimethylolpropionic acid, 13.0 parts of alkyd resin, 4.0 parts of triptycene derivative, 1.5 parts of 2-hydroxychalcone, 4.0 parts of neopentyl glycol, 0.05 part of dibutyltin dilaurate, 6.5 parts of sodium bicarbonate and 22.0 parts of propylene glycol monomethyl ether acetate.
The preparation method of the self-adsorption type antibacterial water-based curing agent Y in the embodiment comprises the following steps:
a) carrying out water removal treatment on propylene glycol methyl ether acetate and neopentyl glycol in advance to obtain a pretreatment mixed solution;
b) introducing nitrogen into the reactor, adding the pretreated mixed solution, the triptycene derivative, the dimethylolpropionic acid and the alkyd resin according to the formula amount, heating, stirring and dissolving;
c) adding hexamethylene diisocyanate trimer, keeping the temperature of 82-84 ℃, stirring and reacting for 2.5 hours, detecting the NCO value, dropwise adding dibutyltin dilaurate, heating to 86-88 ℃, keeping the temperature, reacting for 1.5 hours, and detecting the NCO value until the NCO value is consistent with the designed value;
d) and cooling, adding sodium bicarbonate, dispersing uniformly, filtering and discharging to obtain the self-adsorption type antibacterial water-based curing agent Y.
Example 3
The self-adsorption type antibacterial two-component water-based paint is characterized by comprising a component A and a component B, wherein the mass ratio of the component A to the component B is 5.5:1, and the component A comprises the following components in parts by weight: 126.0 parts of hydroxyl waterborne alkyd resin, 0.3 part of pH regulator, 0.3 part of defoamer, 6.0 parts of antifreeze, 0.4 part of flatting agent, 0.3 part of thickener and 20.0 parts of deionized water.
Example 4
The self-adsorption type antibacterial two-component water-based paint is characterized by comprising a component A and a component B, wherein the mass ratio of the component A to the component B is 5.0:1, and the component A comprises the following components in parts by weight: 120.0 parts of hydroxyl water-based acrylic resin, 0.5 part of pH regulator, 0.3 part of defoamer, 0.4 part of flatting agent, 0.4 part of wetting agent, 0.6 part of thickener and 22.0 parts of deionized water.
According to the relevant standards, the performance of the self-adsorption type antibacterial two-component water-based paint is detected, and the detection performance indexes are shown in table 1.
Wherein, the adhesive force is as follows: detecting according to the regulation of GB/T1720-1988;
hardness: detecting according to the regulation of GB/T6739-2006;
water resistance: detecting according to the regulation of GB/T1733-93;
artificial aging resistance: detecting according to the GB/T14522;
flexibility: detection is carried out according to the specification of GB/T1731-1993;
salt spray resistance: detecting according to the regulation of GB/T1771-1991;
acid resistance (10% HCl): detecting according to the specification of GB/T1763-1979;
alkali resistance (10% NaOH): detecting according to the specification of GB/T1763-1979;
and (3) antibacterial property: the detection is carried out according to the regulation of HG/T3950-2007 antimicrobial paint.
Table 1: embodiment performance technical index of the invention
And (3) testing the adsorption performance:
for 2 newly-decorated experimental houses with the same size, each house is 50m2Initially measured formaldehyde concentration was 3.82mg/m3The concentration of benzene was 2.19mg/m3The concentration of carbon monoxide is 58.4mg/m3The concentration of ammonia was 2.34mg/m3The coating 1 of the present invention (for example) and the comparative coating 4 were applied separately, and air quality inspection was performed after sealing for 48 hours.
Coating the experimental house of inventive sample example 3:
the concentration of formaldehyde is 0.05mg/m3The concentration of benzene was 0.04mg/m3The concentration of carbon monoxide is 6.72mg/m3The concentration of ammonia was 0.04mg/m3。
Coating the experimental house of inventive sample example 4:
the concentration of formaldehyde is 0.04mg/m3The concentration of benzene was 0.04mg/m3The concentration of carbon monoxide is 6.96mg/m3The concentration of ammonia is 0.03mg/m3。
Although the present invention has been described in detail and with reference to exemplary embodiments thereof, it will be apparent to one skilled in the art that various changes, modifications and variations can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. A self-adsorption type antibacterial two-component water-based paint is characterized in that: the self-adsorption type antibacterial two-component water-based paint comprises a component A and a component B, wherein the component A and the component B are as follows according to the ratio of parts by weight: a: b is 4-7: 1;
the component A comprises the following specific components in parts by weight: 100.0-150.0 parts of hydroxyl waterborne resin, 1.0-10.0 parts of auxiliary agent and 10.0-30.0 parts of deionized water; wherein the component B is a self-adsorption type antibacterial water-based curing agent;
the component B is a self-adsorption type antibacterial water-based curing agent, and adopts the following technical scheme: the composition comprises the following components in parts by weight: 100.0-200.0 parts of tripolymer, 3.0-8.0 parts of dimethylolpropionic acid, 6.0-18.0 parts of alkyd resin, 3.0-6.0 parts of triptycene derivative, 1.5-2.5 parts of 2-hydroxy chalcone, 2.0-5.0 parts of polyol, 0.01-0.1 part of dibutyltin dilaurate, 2.5-10.0 parts of neutralizer and 15.0-30.0 parts of inert solvent.
2. The self-adsorbing, antimicrobial two-component waterborne coating of claim 1, wherein: the auxiliary agents are at least four of pH regulator, defoamer, antifreeze, flatting agent, wetting agent, thickener, cellulose, film forming auxiliary agent and nano water-based color paste.
3. The self-adsorbing, antimicrobial two-component waterborne coating of claim 1, wherein: the hydroxyl water-based resin is one or a combination of more of hydroxyl water-based alkyd resin, hydroxyl water-based acrylic resin and hydroxyl polyester resin.
4. The self-adsorbing, antimicrobial two-component waterborne coating of claim 1, wherein: the preparation method of the self-adsorption type antibacterial water-based curing agent comprises the following steps:
a) carrying out water removal treatment on an inert solvent and polyhydric alcohol in advance to obtain a pretreatment mixed solution;
b) introducing nitrogen into the reactor, adding the pretreated mixed solution, the triptycene derivative, the dimethylolpropionic acid and the alkyd resin according to the formula amount, heating, stirring and dissolving;
c) adding a trimer, carrying out heat preservation and stirring reaction at 82-84 ℃ for 2.0-2.5 h, detecting the NCO value, dropwise adding dibutyltin dilaurate, heating to 86-88 ℃, carrying out heat preservation reaction for 1.5-2.0 h, detecting the NCO value, and when the NCO value is consistent with the designed value;
d) cooling, adding a neutralizing agent, dispersing uniformly, filtering and discharging to obtain the self-adsorption type antibacterial water-based curing agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011507536.4A CN112625588A (en) | 2020-12-18 | 2020-12-18 | Self-adsorption type antibacterial two-component water-based paint |
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| CN202011507536.4A CN112625588A (en) | 2020-12-18 | 2020-12-18 | Self-adsorption type antibacterial two-component water-based paint |
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| CN202011507536.4A Withdrawn CN112625588A (en) | 2020-12-18 | 2020-12-18 | Self-adsorption type antibacterial two-component water-based paint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286946A (en) * | 2022-08-29 | 2022-11-04 | 湖南怡美新材料科技有限公司 | Environment-friendly two-component water-based wood paint and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498557A (en) * | 2015-12-03 | 2016-04-20 | 南京工业大学 | tri-vinyl VOCs (volatile organic compounds) interception type polymer separation membrane and preparation method thereof |
| CN105968304A (en) * | 2016-05-11 | 2016-09-28 | 华南理工大学 | High-performance waterborne polyurethane curing agent and preparing method and application thereof |
| CN107936819A (en) * | 2017-12-15 | 2018-04-20 | 合众（佛山）化工有限公司 | A kind of inflaming-retarding antifouling antibiotic water paint |
| CN109321117A (en) * | 2018-09-28 | 2019-02-12 | 合众（佛山）化工有限公司 | A kind of aqueous double-component modified polyurethane industrial coating and preparation method thereof |
| CN109929117A (en) * | 2019-01-15 | 2019-06-25 | 浙江大学宁波理工学院 | A kind of porous fire retardant of phosphorus-nitrogen type rigid backbone and its preparation method and application |
-
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- 2020-12-18 CN CN202011507536.4A patent/CN112625588A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498557A (en) * | 2015-12-03 | 2016-04-20 | 南京工业大学 | tri-vinyl VOCs (volatile organic compounds) interception type polymer separation membrane and preparation method thereof |
| CN105968304A (en) * | 2016-05-11 | 2016-09-28 | 华南理工大学 | High-performance waterborne polyurethane curing agent and preparing method and application thereof |
| CN107936819A (en) * | 2017-12-15 | 2018-04-20 | 合众（佛山）化工有限公司 | A kind of inflaming-retarding antifouling antibiotic water paint |
| CN109321117A (en) * | 2018-09-28 | 2019-02-12 | 合众（佛山）化工有限公司 | A kind of aqueous double-component modified polyurethane industrial coating and preparation method thereof |
| CN109929117A (en) * | 2019-01-15 | 2019-06-25 | 浙江大学宁波理工学院 | A kind of porous fire retardant of phosphorus-nitrogen type rigid backbone and its preparation method and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286946A (en) * | 2022-08-29 | 2022-11-04 | 湖南怡美新材料科技有限公司 | Environment-friendly two-component water-based wood paint and preparation method thereof |
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