CN101445695B - High hardness abrasive resistance bi-component waterborne wood lacquer and preparation method thereof - Google Patents
High hardness abrasive resistance bi-component waterborne wood lacquer and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high hardness abrasive resistance bi-component waterborne wood lacquer and a preparation method thereof. The bi-component waterborne wood lacqure comprises two components; wherein, component one is a hydroxyl component and comprises according to the parts by weight: 1-20 parts of deionized water, 60-80 parts of resin, 0.1-0.3 part of wetting agent, 0.3-1.0 part of dispersant, 0.03-0.3 part of foam killer, 0.5-1.0 part of nanometer SiO2, 10-20 parts of glass powder pulp, 0-3.0 parts of flatting agent, 1.0-3.0 parts of film forming addition agent, 0.3-1 part of wax addition agent, and 0.01-1.0 part of rheological agent; component two is an isocyanate component and comprises according to the parts by weight: 10-30 parts of PMP and 60-90 parts of firming agent. The invention has the following advantages that a pain film has higher pain film hardness and abrasive resistance, more prominent thermal stability, better contamination resistance and chemical resistance, long usage period, and is easy to be constructed.
Description
Technical field
The present invention relates to a kind of woodwork coating, more particularly, relate to a kind of high hardness abrasive resistance bi-component waterborne wood lacquer and preparation method thereof.
Background technology
The existing house decoration of China, furniture are produced used woodwork coating mostly based on solvent borne polyurethane, nitro paint, their VOC content height, after application, produce a large amount of obnoxious flavoures, serious environment pollution, and be the arch-criminal who causes diseases such as human body pulmonary edema, central nervous system inhibition, respiratory and circulatory failure, liver poisoning, thoroughly eliminate the hidden danger that house fitting-up produces human health, the ecotope of creating harmony, cleaning, health, environmental protection, safety becomes whole world problem anxious to be solved.Water-borne wood coating replace solvents type coating has become an inevitable development trend.
Mono-component aqueous woodwork coating in the market has environmental protection, simple operation and other advantages, but has shortcomings such as high lac varnish gloss is not high, hardness is low, sticking power is bad, wear no resistance, chemical resistant properties is not good.Compare with mono-component aqueous woodwork coating, two-pack moisture wood lacquer has that film-forming temperature is low, strong adhesion, wear resistance is good, hardness is high and high-performance such as chemicals-resistant, good weatherability.But aqueous wood lacquer with double components is in the market compared with the solvent-type double-component wood lacquer, still has wear resistance, disadvantages such as resistance to marring is poor, hardness is low, levelling property is poor, defoaming difference.
Summary of the invention
The object of the present invention is to provide a kind of paint film that makes to have higher hardness and wear resistance, better resistance to marring and chemical resistant properties, and have high hardness abrasive resistance bi-component waterborne wood lacquer of aspect advantages such as strong adhesion and good weatherability and preparation method thereof.
The present invention is achieved by following technical solution,, the invention provides a kind of high hardness abrasive resistance bi-component waterborne wood lacquer that is, and it comprises two components, and each component is as follows by weight ratio:
Component one: (main lacquer component)
Deionized water 1-20 part
Resin 60-80 part
Wetting agent 0.1-0.3 part
Dispersion agent 0.3-1.0 part
Defoamer 0.03-0.3 part
Nanometer SiO
20.5-1.0 part
Glass powder slurry 10-20 part
Matting agent 0-3.0 part
Film coalescence aid 1.0-3.0 part
Wax assistant 0.3-1 part
Rheological agent 0.01-1.0 part
Component two (curing agent component):
PMP 10-30 part
Solidifying agent 60-90 part
Component one is main lacquer component, is hydroxy-containing component, and component two is a curing agent component, for containing isocyanate component.
When construction was used, described component one with the best proportioning consumption weight ratio of component two was: component one: component two=1: 0.3-0.6.
Described resin is the water-based hydroxyl acrylic acid dispersion.
Solidifying agent in the described component two is the aqueous dispersion type aliphatic polymeric isocyanate, and PMP is the propylene-glycol ethyl ether propionic ester, is used for diluting solidifying agent.
The making method of described glass powder slurries is: get 30-40% weight glass powder, add 60-70% weight deionized water and mix the back high-speed stirring, add grinding bead simultaneously, 3000 rev/mins of rotating speeds stir after 90 minutes down, leach with 80 mesh filter screens, be the glass powder slurry.
Described wetting agent is an organic silicon surfactant, described dispersion agent is an acrylate copolymer dispersants, described defoamer is a silicone antifoam agent, described film coalescence aid is chemical pure ether solvent, described flatting silica is an aerosil, described rheological agent is the urethane auxiliary rheological agents, and described wax assistant is the polyethylene wax auxiliary agent.
The preparation method of high hardness abrasive resistance bi-component waterborne wood lacquer of the present invention is as follows:
Proportioning by said components one takes by weighing deionized water, under 300-600 rev/min of rotating speed, drops into resin, wetting agent, defoamer, dispersion agent successively; Under 600-1000 rev/min of rotating speed, drop into nanometer SiO successively
2, glass powder slurry, flatting silica under 1200-1500 rev/min of rotating speed high speed dispersion 10-60 minute then; Quality inspection fineness≤20 μ m; Under 100-400 rev/min of rotating speed, drop into film coalescence aid, thickening material successively, high speed dispersion 10-30 minute to there not being shrinkage cavity then, is that the winner coats with lacquer component one after the filtration;
Proportioning by described component two takes by weighing PMP and solidifying agent, and with PMP dilution solidifying agent, both mix, and obtain described component two;
In use by described component one: the weight ratio of component two=1: 0.3-0.6, mix two components, stir, promptly make described aqueous wood lacquer with double components.
Wood lacquer of the present invention mainly is made up of hydroxy-containing component (main lacquer), isocyanate component (solidifying agent), auxiliary agent and water, adds nanometer SiO
2, material such as glass powder, product of the present invention has following advantage:
1. paint film has higher hardness, better wear resistance and resistance to marring;
2. paint film has more outstanding thermotolerance, better contamination resistance and chemical resistant properties, and have advantages such as strong adhesion and good weatherability;
3. long service life is easy to construction.
Embodiment
Below in conjunction with specific embodiment above and other objects of the present invention, feature are elaborated.
In the following embodiments the material of Shi Yonging can for:
Resin is the Bahydrol series or the French Cray CRAYMUL of the Valleylad Inc. series water-based hydroxyl acrylic acid dispersion resin of Bayer A.G.
Wetting agent is a kind of in the Wet series product of the Surfynol series of BYK series, U.S.'s gas chemical industry of German Bi Ke chemical company or German Di Gao company.
Dispersion agent is a kind of in the Disperbyk series product of the Dispers series of German Di Gao company, German Bi Ke chemical company.
Defoamer is a kind of among the Foamex, Airex series product of the BYK series of German Bi Ke chemical company, German Di Gao company.
Nanometer SiO
2Be the great bright material in Zhejiang Science and Technology Ltd. series product.
Glass powder is Shijiazhuang benevolence letter company series product, and the making method of glass powder slurries is:
Get 30-40% weight glass powder, add 60-70% weight deionized water and mix the back high-speed stirring, add grinding bead simultaneously, 3000 rev/mins of rotating speeds stir after 90 minutes down, leach with 80 mesh filter screens, are the glass powder slurry.
Film coalescence aid is the pure ether solvent of Dow Chemical.
Flatting silica is the Acematt series of goldschmidt chemical corporation or the syloid series product of U.S. W. R. Grace ﹠ Co.
Rheological agent is a kind of in the Viscoplus series product of the Rheolate series of Hai Mingsi company or German Di Gao company.
Wax assistant is a kind of in the Aquamat series product of Michem Emulsion series that american wheat can door company or German Bi Ke chemical company.
Embodiment 1
Take by weighing deionized water 18.9kg, resin 65kg under 300-600 rev/min of rotating speed, drops into wetting agent 0.2kg, defoamer 0.4kg, dispersion agent 0.3kg successively; Under 600-1000 rev/min of rotating speed, drop into nanometer SiO successively
20.5kg, glass powder slurry 10kg, flatting silica 1.5kg, under 1200-1500 rev/min of rotating speed high speed dispersion 10-60 minute then; Quality inspection fineness≤20 μ m; Under 100-400 rev/min of rotating speed, drop into film coalescence aid 3kg, rheological agent 0.2kg successively, high speed dispersion 10-30 minute is that the winner coats with lacquer component one after the filtration to there not being shrinkage cavity.Take by weighing PMP20.0kg, solidifying agent 80.0kg, mixing and stirring promptly gets component two, and only need be by component one during construction: component two be 1: 0.375 a weight proportion, manually stirs then 5-10 minute, can construct after evenly.
Embodiment 2
Take by weighing deionized water 8.5kg, resin 70kg, under 300-600 rev/min of rotating speed, drop into wetting agent 0.25kg, defoamer 0.35kg, dispersion agent 0.35kg successively; Under 600-1000 rev/min of rotating speed, drop into nanometer SiO successively
20.6kg, glass powder 15kg, flatting silica 1.2kg, under 1200-1500 rev/min of rotating speed high speed dispersion 10-60 minute then; Quality inspection fineness≤20 μ m; Under 100-400 rev/min of rotating speed, dropping into film coalescence aid 3.5kg rheological agent 0.25kg high speed dispersion 10-30 minute successively is that the winner coats with lacquer component one after not having shrinkage cavity and filtering.Take by weighing PMP 25.0kg, solidifying agent 75.0kg, stir after the mixing, promptly get component two.Only need be by component one during construction: component two be 1: 0.43 a weight proportion, manually stirs then 5-10 minute, can construct after evenly.
Embodiment 3
Take by weighing deionized water 1.1kg, resin 75kg, under 300-600 rev/min of rotating speed, drop into wetting agent 0.3kg, defoamer 0.4kg, glass powder 17kg, dispersion agent 0.3kg successively under 600-1000 rev/min of rotating speed, drop into nanometer SiO successively
20.6kg, flatting silica 1.0kg, under 1200-1500 rev/min of rotating speed high speed dispersion 10-60 minute then; Quality inspection fineness≤20 μ m; Under 100-400 rev/min of rotating speed, drop into film coalescence aid 4kg, rheological agent 0.3kg, high speed dispersion 10-30 minute successively to there not being shrinkage cavity, be that the winner coats with lacquer component one after the filtration.Take by weighing PMP 30.0kg, solidifying agent 70.0kg, stir after the mixing, promptly get component two, only need be by component one during construction: component two be 1: 0.5 a weight proportion, manually stirs then 5-10 minute, can construct after evenly.
Effect after construction is used in the foregoing description sees the following form 1, technical requirements is that conventional the key technical indexes requires (HG/T 3828-2006), detected result is the actual effect of product of the present invention, data as can be seen from table, the this patent product not only satisfies index request fully on effect, and is better than technical requirement far away at hardness, wear resistance and chemical resistance.
Table 1
Claims (5)
1. a high hardness abrasive resistance bi-component waterborne wood lacquer is characterized in that, it comprises two components, wherein:
Component one is a hydroxy-containing component, and by weight, the composition of component one comprises: deionized water 1-20 part, resin 60-80 part, wetting agent 0.1-0.3 part, dispersion agent 0.3-1.0 part, defoamer 0.03-0.3 part, nanometer SiO
20.5-1.0 part, glass powder slurry 10-20 part, matting agent 0-3.0 part, film coalescence aid 1.0-3.0 part, wax assistant 0.3-1 part, rheological agent 0.01-1.0 part;
Component two is for containing isocyanate component, and by weight, the composition of component two comprises: PMP is propylene-glycol ethyl ether propionic ester 10-30 part, solidifying agent 60-90 part; Described solidifying agent is the aqueous dispersion type aliphatic polymeric isocyanate;
Described resin is the water-based hydroxyl acrylic acid dispersion.
2. high hardness abrasive resistance bi-component waterborne wood lacquer as claimed in claim 1 is characterized in that, described component one with the weight proportion of component two is: component one: component two=1: 0.3-0.6.
3. high hardness abrasive resistance bi-component waterborne wood lacquer as claimed in claim 1 or 2 is characterized in that, described glass powder slurry is that the glass powder of 30-40% mixes with the 60-70% deionized water by weight.
4. high hardness abrasive resistance bi-component waterborne wood lacquer as claimed in claim 3 is characterized in that, described glass powder mixes the back high-speed stirring with deionized water, add grinding bead simultaneously, 3000 rev/mins of rotating speeds stir after 90 minutes down, leach with 80 mesh filter screens, are the glass powder slurry.
5. high hardness abrasive resistance bi-component waterborne wood lacquer as claimed in claim 1 or 2, it is characterized in that, described wetting agent is an organic silicon surfactant, described dispersion agent is an acrylate copolymer dispersants, described defoamer is a silicone antifoam agent, and described film coalescence aid is chemical pure ether solvent, and described matting agent is an aerosil, described rheological agent is the urethane auxiliary rheological agents, and described wax assistant is the polyethylene wax auxiliary agent.
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| CN101445695B true CN101445695B (en) | 2011-05-04 |
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Effective date of registration: 20221122 Address after: 528325 No.1, south 4 road, Jiyou Industrial Zone, Xingtan town, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG SHUNDE SANHE CHEMICAL CO.,LTD. Address before: 528429 Da Da Industrial Zone, Huang Zhen Town, Guangdong, Zhongshan Patentee before: GUANGDONG SANVO CHEMICAL INDUSTRY TECHNOLOGY Co.,Ltd. |
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