CN101029204A - Multifunctional water woodenware pigment and its production - Google Patents
Multifunctional water woodenware pigment and its production Download PDFInfo
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- CN101029204A CN101029204A CN 200710090102 CN200710090102A CN101029204A CN 101029204 A CN101029204 A CN 101029204A CN 200710090102 CN200710090102 CN 200710090102 CN 200710090102 A CN200710090102 A CN 200710090102A CN 101029204 A CN101029204 A CN 101029204A
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Abstract
A water multifunctional woodenware lacquer and its production are disclosed. The lacquer consists of water acrylic modified polyurethane resin emulsion 60.0-90.0%, water 5.0-20.0%, wetting agent 0.1-1.0%, anti-foaming agent 0.1-1.0%, thickener 0-1.0%, smoothening agent 0-2.0%, leveling agent 0.1-1.0%, flatting agent 0-1.0%, inorganic nano-antibacterial agent 0.01-0.1%, cellulose ester 0.1-1.0%, composite nano-anionic additive 1-5% and accessories. The process is carried out by adding various components except emulsion and leveling agent into water, agitating to obtain the mixed slurry, grinding by sand mill or triple-roller machine, filtering to obtain half-finished mixed liquid, adding water acrylic modified polyurethane resin emulsion into half-finished mixed liquid, agitating to obtain mixed material and adding into leveling agent to obtain the final product. It's cheap, simple, has no environmental pollution and excellent anti-mycotic effect. It can be used in both indoor and outdoor.
Description
Technical field
The present invention relates to a kind of multifunctional water woodenware pigment and preparation method thereof.
Background technology
Mostly be the solvent-borne type wood lacquer at present traditional wood lacquer, because of a large amount of volatile solvents that use, its production and use in can produce volatilizable organism (VOC), more particularly contain the benzene organism, easily human nerve, mucous membrane, skin, liver and tracheae are damaged even carcinogenic.The solvent-borne type wood lacquer, how based on solvent borne polyurethane and pyroxylin(e)finish, environment is polluted, influence people's health, in developed countries such as America and Europes, consumption is downtrending year by year, continuous growth along with whole world environmental consciousness, the environmental regulation of various countries is strict day by day, and therefore a lot of external major companies drop into a huge sum of money and competitively develop environmental protection coating material technology, especially water-borne coatings.The Water-borne modification of Northern European countries's Floor paint has reached 80%.The wall dunnage use colored paint of Britain has accounted for 91% of indoor water-borne coatings.And in China, water-borne wood coating The Application of Technology scope is also very limited, state of the art also has big gap with comparing abroad, the antibacterial and mouldproof poor performance of wood lacquer most importantly wherein, it is short to exist the antibiotic time, easy to change etc., especially some moist occasion (as kitchen, toilet etc.) is the easiest in the domestic environment grows microorganism, causes the bacteria concentration of room air bacteria concentration and body surface to increase; In addition, present existing aqueous woodware paint can only be applied to indoor mostly, out of doors or indoor sunshine many places be prone to phenomenons such as flavescence, cracking.
At present, the employed antiseptic-germicide of domestic wood lacquer is: organic antibacterial agent; The photocatalysis antibacterial agent is as titanium dioxide etc.; Silver ion antimicrobial agent, nano silver antimicrobials.The organic antibacterial agent persistence is poor, and microorganism is easy to generate resistance, and it is poisonous easily to degrade, and does not meet environmental requirement; The photocatalysis antibacterial agent only under the condition that satisfies certain UV-light, oxygen, water, just has good antibacterial property, therefore is not suitable for indoor application; The silver ion antimicrobial agent germ resistance is good but the easy variable color of silver ions has not only reduced germ resistance, but also has limited its application in white and light system; Though nano silver antimicrobials antibacterial effect broad-spectrum high efficacy, its easy oxidation discoloration, and non-refractory.
Summary of the invention
Technical problem to be solved by this invention is: a kind of multifunctional water woodenware pigment is provided, and it is with low cost, and environmental protection and antibacterial and mouldproof are effective, promptly can be used for indoorly, also can be used for the open air.A kind of preparation method of multifunctional water woodenware pigment is provided in addition, and its technology is simple, environmental protection, and tooling cost is low.
The technical solution adopted in the present invention is: a kind of multifunctional water woodenware pigment is characterized in that the basic recipe mass percent consists of:
Aqueous acrylic modified ester-polyurethane resin emulsion 60.0-90.0%;
Water 5.0-20.0%;
Wetting agent 0.1-1.0%;
Defoamer 0.1-1.0%;
Thickening material 0-1.0%;
Slip(ping)agent 0-2.0%;
Flow agent 0.1-1.0%;
Matting agent 0-1.0%;
Nano inorganic antimicrobial agent 0.01-0.1%;
Cellulose ester 0.1-1.0%;
Nano composite negative ion additive 1-5%;
Other auxiliary agent 0-10.0%.Can be one or more combination of pigment, dyestuff, anti-wear agent, siccative, frostproofer, anti UV agent or high temperature resistance agent.
For solving antimicrobial technology, the present invention adopts nano inorganic antimicrobial agent as the anti-corrosive antibacterial composition, described nano inorganic antimicrobial agent is that the nano silicon that has nano aperture, particle diameter 20～100 nanometers with food grade is a carrier, assembling silver, copper, zinc, antimony inorganic antibacterial component are composited with the nano titanium oxide with anti-microbial property, nano zine oxide inorganic oxide again in nanometer micropore.
Nano inorganic antimicrobial agent can not adhere to and grow microorganism and bacterium on woodenware; And to antibiotic rate 〉=99% of intestinal bacteria and staphylococcus aureus, the mildew-resistant grade is 0 grade; Because employed nano inorganic antimicrobial agent is cured in the dry film, in use can discharge gradually, simultaneously so can play permanently effective antibiotic, mildew-proof function along with the variation of dry film; Detect through authoritative department, this antiseptic-germicide long-term safety is nontoxic; And solved that antiseptic-germicide in the past is easy to change, the problem of non-refractory; Reduced cost simultaneously, and, hardness wear-resisting to coating and uvioresistant ability are all helpful; The nano inorganic antimicrobial agent that the present invention adopts has passed through animal mouth poison, the skin irritation test of Jiangsu Province Disease Control and Prevention Center, and the result shows: to male and female chmice acute per os medium lethal dose LD50 value all greater than 5000mg/kg b.wt., nontoxic grade of true border; To an intact skin irritant reaction of rabbit integrated value is 0, belongs to nonirritant.So nontoxic, can not work the mischief to human body.
Further improvement in the technical proposal is: for further improving environmental-protecting performance, the present invention has used cellulose ester, time of drying can be shortened, improve levelling, improve flatting efficiency, have auxiliary film forming effect, need not to add film coalescence aid, reduce product VOC, improved environmental-protecting performance, and can improve aqueous woodware paint auxilliary put forth effort and to the seepage force of timber, make the paint film of formation attractive in appearance, level and smooth.
Further improvement in the technical proposal is: the present invention has used the nano composite negative ion additive, is carrier with the porous nano silica, and it discharges negative ion, and the usefulness that purifies air improves greatly, and very low to coating film gloss and transparency influence.
Different according to customer need, environment for use and operational condition are added other auxiliary agents of one or more different contents in the nanometer waterborne woodware lacquer.Described other auxiliary agent is pigment, dyestuff, cut photo etching, anti-wear agent, siccative, frostproofer, anti ultraviolet agent or high temperature resistance agent.
Compared with the prior art multifunctional water woodenware pigment of the present invention has following positively effect: solved the outdoor technical barrier that is difficult to use; Safe, the environmental protection of the multifunctional water woodenware pigment that makes has good durable antibiotic effect for common pathogenic bacterium, to 650 kinds of common pathogenic bacterium, killing is arranged all, presses down effect.The effect that product just can be obtained in 20～60 minutes very short time: to streptococcus aureus, large intestine suffers Xi Shi wine antibiotic rate greater than 99%, Pseudomonas aeruginosa and Candida albicans antibiotic rate are all greater than 99%; Simultaneously capable of releasing negative ion, can eliminate obnoxious flavoures such as indoor formaldehyde at short notice, reach the purpose that purifies air, creates health environment, can be widely used in indoor and outdoor wood floors, furniture, door and window, bamboo and rattan products and inner wall of building etc.
The present invention also provides a kind of preparation method of multifunctional water woodenware pigment, and it comprises the steps:
1) each component except that water-based acrylic acid modified polyurethane resin emulsion and flow agent in the basic recipe is added in the entry respectively, and the compound of the gained that constantly stirs, stir with the rotating speed of 1000-1300rpm and obtained mixed slurry in 25～30 minutes;
2) with above-mentioned mixed slurry through sand mill or three Kun machines be ground to≤40 microns, through 300 or 400 mesh standard sieves filter the work in-process mixed solution;
3) aqueous acrylic modified ester-polyurethane resin emulsion is joined in the work in-process mixed solution that step 2 generates while stirring, stir with the rotating speed of 600-800rpm and obtained compound in 10～15 minutes;
4) rotating speed is transferred to 600rpm and add flow agent and adjust viscosity and froth breaking 10 minutes at a slow speed, get product.
Because adopt technique scheme, the present invention has following beneficial effect: the present invention uses nano inorganic antimicrobial agent to replace traditional organic anti-corrosive agent first in aqueous woodware paint, makes this lacquer have excellent antibacterial green, anticorrosion and mildew-resistant effect.And the preparation method of a kind of nanometer waterborne woodware lacquer of the present invention, technology is simple, environmental protection, and tooling cost is low.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Below among each embodiment, nano inorganic antimicrobial agent in the related host and nano composite negative ion additive are that Jiangsu morning twilight Nono-material Science ﹠ Technology Ltd. produces, to male and female chmice acute per os medium lethal dose LD50 value all greater than 5000mg/kg b.wt., the nontoxic level in true border; To an intact skin irritant reaction of rabbit integrated value is 0, belongs to nonirritant.So nontoxic, can not work the mischief to human body.
Aqueous acrylic modified ester-polyurethane resin emulsion 60.0-90.0%
Water 5.0-20.0%
Wetting dispersing agent 0.1-1.0%
Defoamer 0.1-1.0%
Flow agent 0.1-1.0%
Nano inorganic antimicrobial agent 0.01-0.1%
Cellulose ester 0.1-1.0%
Nano composite negative ion additive 1-5%
Other auxiliary agent 0-14.0%
The present invention adds it in multifunctional water woodenware pigment to as antibiotic antiseptic, has replaced traditional organic anti-corrosive agent.Compare up to 0.5%-10% with the antiseptic-germicide concentration that adopts in the Chinese patent 2004100523131.0, the nano inorganic antimicrobial agent that adds among the present invention (respectively is 50-100ppm) under very low concentration can have the antibiotic anticorrosion mildew-resistant effect of stronger lasting stability, and need not to add again organic antibiotic antiseptic and act synergistically, nontoxic to humans and animals, also can not produce the resistance problem, really have the environment-friendly antibacterial antiseptic power.Compare with the nano silver antimicrobials that adopts in the Chinese patent 200510102460.6, the nano inorganic antimicrobial agent that adds among the present invention also has not easy to change and resistant to elevated temperatures advantage.
The various product that defoamer in the composition, thickening material, wetting agent, slip(ping)agent, flow agent are on the market to be used always.Defoamer can be with the BYK series of German Bi Ke company, the EFKA series of Dutch EFKA company, PLURIOL series of BASF Aktiengesellschaft etc.Thickening material can be used the ACRYSOL series of U.S. Rhom and Hass, the RHEOLATE series of strength brightness company etc.Wetting agent can be used the PE series of Henkel Corp., the SURFYNOL series of U.S.'s gas chemical industry etc.Flow agent comprises TEGO series of the SUNFYNOL series of RHEOLATE series, U.S.'s gas chemical industry of RM series, the strength brightness company of U.S. Rhom and Hass, German Di Gao company etc.
Different according to customer need, environment for use and operational condition are added other auxiliary agents of one or more different contents in the nanometer waterborne woodware lacquer.In coloured enamel, need to add pigment and dyestuff, in mute lac varnish, need to add matting agent, in hard floor paint, need to add anti-wear agent, can add siccative when under southern wet environment, using, under northern cold condition, use and then need add frostproofer when transporting.Exterior wood finish can add uvioresistant and high temperature resistance auxiliary agent etc.
The present invention also provides a kind of preparation method of nanometer waterborne woodware lacquer, and it comprises the steps:
1) each component except that water-based acrylic acid modified polyurethane resin emulsion and flow agent in the basic recipe is added in the entry respectively, and the compound of the gained that constantly stirs, stir with the rotating speed of 1000-1300rpm and obtained mixed slurry in 25～30 minutes;
2) with above-mentioned mixed slurry through sand mill or three Kun machines be ground to≤40 microns, through 300 or 400 mesh standard sieves filter the work in-process mixed solution;
3) aqueous acrylic modified ester-polyurethane resin emulsion is joined in the work in-process mixed solution that step 2 generates while stirring, stir with the rotating speed of 600-800rpm and obtained compound in 10～15 minutes;
4) rotating speed is transferred to 600rpm and add flow agent and adjust viscosity and froth breaking 10 minutes at a slow speed, get product.Wherein be directed to different service conditions, above-mentioned basic recipe is formed and each step of preparation method also has some fine settings, below in conjunction with several embodiment nanometer waterborne woodware lacquer of the present invention and preparation method thereof is elaborated.
Embodiment one: the nanometer waterborne woodware lacquer that is used for woodenware
Its prescription consists of (W/W):
1. aqueous acrylic modified ester-polyurethane resin emulsion 87.0%
2. water 8.79%
3. wetting dispersing agent 0.4%
4. defoamer 0.6%
5. thickening material 0.6%
6. slip(ping)agent 0.3%
7. flow agent 1.0%
8. nano inorganic antimicrobial agent 0.01%
9. cellulose ester 0.3%
10. the nano composite negative ion additive 1%
The preparation method who is used for the multifunctional water woodenware pigment of woodenware is:
1) the 3-10 component (except that 7) in the basic recipe is added in the entry respectively, and the compound of the gained that constantly stirs, stir with the rotating speed of 1000-1300rpm and obtained mixed slurry in 25～30 minutes;
2) with above-mentioned mixed slurry through sand mill or three Kun machines be ground to≤40 microns, through 300 or 400 mesh standard sieves filter the work in-process mixed solution;
3) aqueous acrylic modified ester-polyurethane resin emulsion is joined in the work in-process mixed solution that step 2 makes while stirring, stir with the rotating speed of 600-800rpm and obtained compound in 10～15 minutes;
4) rotating speed is transferred to 600rpm and add flow agent and adjust viscosity and froth breaking 10 minutes at a slow speed, get product.
Embodiment two: the multifunctional water woodenware pigment that is used for the floor
Its prescription is formed (W/W):
1. aqueous acrylic modified ester-polyurethane resin emulsion 87.0%
2. water 7.39%
3. wetting dispersing agent 0.4%
4. defoamer 1.0%
5. slip(ping)agent 0.3%
6. flow agent 0.6%
7. nano inorganic antimicrobial agent 0.01%
8. nano aluminium oxide 2%
9. cellulose ester 0.3%
10. the nano composite negative ion additive 1%
The preparation method who is used for the nanometer waterborne woodware lacquer on floor is:
1) the 3-10 component (except that 6) in the basic recipe is added in the entry respectively, and the compound of the gained that constantly stirs, stir with the rotating speed of 1000-1300rpm and obtained mixed slurry in 25～30 minutes;
2) with above-mentioned mixed slurry through sand mill or three Kun machines be ground to≤40 microns, through 300 or 400 mesh standard sieves filter the work in-process mixed solution;
3) aqueous acrylic modified ester-polyurethane resin emulsion is joined in the work in-process mixed solution that step 2 makes while stirring, stir with the rotating speed of 600-800rpm and obtained compound in 10～15 minutes;
4) rotating speed is transferred to 600rpm and add flow agent and adjust viscosity and froth breaking 10 minutes at a slow speed, get product.
Embodiment three: as the multifunctional water woodenware pigment of floor dull finishing coat
Its prescription is formed (W/W):
1. aqueous acrylic modified ester-polyurethane resin emulsion 87.0%
2. water 7.39%
3. wetting dispersing agent 0.5%
4. defoamer 0.8%
5. matting agent 0.5%
6. flow agent 0.5%
7. nano inorganic antimicrobial agent 0.01%
8. nano aluminium oxide 2%
9. cellulose ester 0.3%
10. the nano composite negative ion additive 1%
The preparation method who is used as the biological nanometer aqueous antibiotic lacquer of floor dull finishing coat is:
1) the 3-10 component (except that 6) in the basic recipe is added in the entry respectively, and the compound of the gained that constantly stirs, stir with the rotating speed of 1000-1300rpm and obtained mixed slurry in 25～30 minutes;
2) with above-mentioned mixed slurry through sand mill or three Kun machines be ground to≤40 microns, through 300 or 400 mesh standard sieves filter the work in-process mixed solution;
3) aqueous acrylic modified ester-polyurethane resin emulsion is joined in the work in-process mixed solution that step 2 makes while stirring, stir with the rotating speed of 600-800rpm and obtained compound in 10～15 minutes;
4) rotating speed is transferred to 600rpm and add flow agent and adjust viscosity and froth breaking 10 minutes at a slow speed, get product.
Embodiment four: as the multifunctional water woodenware pigment of lacquer as woodenware finish (open air)
Its prescription is formed (W/W):
1. aqueous acrylic modified ester-polyurethane resin emulsion 87.0%
2. water 6.29%
3. wetting dispersing agent 0.4%
4. defoamer 0.8%
5. matting agent 0.5%
6. slip(ping)agent 0.4%
7. flow agent 0.8%
8. nano inorganic antimicrobial agent 0.01%
9. the nano rutile-type titanium dioxide anti UV agent 1%
10. compound anti UV agent 1%
11. nano-indium stannum oxide is prevented high temperature agent 0.5%
12. cellulose ester 0.3%
13. nano composite negative ion additive 1%
Preparation technology is:
1) add wetting dispersing agent, defoamer, matting agent, slip(ping)agent, nano inorganic antimicrobial agent, nano rutile-type titanium dioxide, compound anti UV agent, the anti-high temperature agent of nano-indium stannum oxide, cellulose ester, nano combined cluster ion additive in the basic recipe in the entry respectively, and the compound of the gained that constantly stirs stirs with the rotating speed of 1000-1300rpm and to obtain mixed slurry in 25～30 minutes;
2) with above-mentioned mixed slurry through sand mill or three Kun machines be ground to≤40 microns, through 300 or 400 mesh standard sieves filter the work in-process mixed solution;
3) aqueous acrylic modified ester-polyurethane resin emulsion is joined in the work in-process mixed solution that step 2 makes while stirring, stir with the rotating speed of 600-800rpm and obtained compound in 10～15 minutes;
4) rotating speed is transferred to 600rpm and add flow agent and adjust viscosity and froth breaking 10 minutes at a slow speed, get product.
Claims (4)
1. multifunctional water woodenware pigment is characterized in that the basic recipe mass percent consists of:
Aqueous acrylic modified ester-polyurethane resin emulsion 60.0-90.0%;
Water 5.0-20.0%;
Wetting agent 0.1-1.0%;
Defoamer 0.1-1.0%;
Thickening material 0-1.0%;
Slip(ping)agent 0-2.0%;
Flow agent 0.1-1.0%;
Matting agent 0-1.0%;
Nano inorganic antimicrobial agent 0.01-0.1%;
Cellulose ester 0.1-1.0%;
Nano composite negative ion additive 1-5%;
Other auxiliary agent 0-10.0%.
2, multifunctional water woodenware pigment according to claim 1, it is characterized in that: described nano inorganic antimicrobial agent is that the nano silicon that has nano aperture, particle diameter 20～100 nanometers with food grade is a carrier, assembling silver, copper, zinc, antimony inorganic antibacterial component are composited with the nano titanium oxide with anti-microbial property, nano zine oxide inorganic oxide again in nanometer micropore.
3, multifunctional water woodenware pigment according to claim 1 is characterized in that: described other auxiliary agent is one or more combination of pigment, dyestuff, anti-wear agent, siccative, frostproofer, anti UV agent or high temperature resistance agent.
4, the preparation method of multifunctional water woodenware pigment according to claim 1 is characterized in that comprising the steps:
1) each component except that water-based acrylic acid modified polyurethane resin emulsion and flow agent in the basic recipe is added in the entry respectively, and the compound of the gained that constantly stirs, stir with the rotating speed of 1000-1300rpm and obtained mixed slurry in 25～30 minutes;
2) with above-mentioned mixed slurry through sand mill or three Kun machines be ground to≤40 microns, through 300 or 400 mesh standard sieves filter the work in-process mixed solution;
3) aqueous acrylic modified ester-polyurethane resin emulsion is joined in the work in-process mixed solution that step 2 generates while stirring, stir with the rotating speed of 600-800rpm and obtained compound in 10～15 minutes;
4) rotating speed is transferred to 600rpm and add flow agent and adjust viscosity and froth breaking 10 minutes at a slow speed, get product.
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| CN 200710090102 CN101029204A (en) | 2007-04-12 | 2007-04-12 | Multifunctional water woodenware pigment and its production |
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| CN 200710090102 CN101029204A (en) | 2007-04-12 | 2007-04-12 | Multifunctional water woodenware pigment and its production |
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