CN1431265A - Moisture dispersion and environment friendly type nano structured carpentry paint and its producing technique - Google Patents
Moisture dispersion and environment friendly type nano structured carpentry paint and its producing technique Download PDFInfo
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- CN1431265A CN1431265A CN 03113622 CN03113622A CN1431265A CN 1431265 A CN1431265 A CN 1431265A CN 03113622 CN03113622 CN 03113622 CN 03113622 A CN03113622 A CN 03113622A CN 1431265 A CN1431265 A CN 1431265A
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Abstract
A water-dispersion environment-friendly nano paint for wooden furniture and articles is prepared from water-dispersive environment-friendly polyurethane (methyl) acrylate or dry oil modified polyurethane (methyl) acrylate nano polymer emulsion, pigment, filler, drying agent, and assistant through grinding and dispersing. Its advantages are no poison and pollution, high safety and drying speed, and excellent protecting performance.
Description
Technical field
The present invention relates to building coating, specifically is environmentally friendly nanostructure wood lacquer of a kind of water-dispersion and preparation technology.
Background technology
Mostly traditional wood lacquer is solvent-borne type paint, and common kind has oil-based paint, natural resin paint, phenolic resin coating, acrylic resin paint etc.All contain about 50% organic volatile (VOC) in these traditional paints, these organic volatiles will evaporate in the atmospheric air in production, construction and drying process and go, and not only healthy harmful to the workmen, the while is contaminate environment again.Since the mid-80, the countries in the world environmental regulation is strict day by day to the restriction of organic volatile in the coating (VOC) content, has caused the research boom of aqueous woodware paint.At present, the aqueous woodware paint that has occurred various brands on the market.These wood lacquers are broadly divided into two types: a class is the acrylic polymer emulsion of letex polymerization type high glass transition temperature.Another kind of is letex polymerization type monocomponent polyurethane emulsion.Through the applicability test, scarcely successful.High glass transition temperature acrylic polymer emulsion aqueous woodware paint, though hardness has reached requirement, when temperature was low, paint film can ftracture, also there is same problem in mono-component aqueous polyurethane carpentry paint.In addition, because the emulsion particle diameter of this class letex polymerization type polymer emulsion big (greatly in the 500-1500nm scope), decorative effect can not be satisfactory.This analog thermoplastic polymer emulsion can only be applied to less demanding place as the aqueous woodware paint base-material.Want the physical and mechanical properties and the decorative effect that reach satisfied, the particle diameter of aqueous polymer emulsion must be little, preferably can reach below the 100nm, must have normal temperature crosslinked characteristic simultaneously, otherwise be difficult to satisfy the requirement that woodenware is covered with paint, lacquer, colour wash, etc.
The research and development aqueous woodware paint; except will considering the environment protection factor; does still have two problems to consider: the first, timber have which type of characteristic and physical properties? could what condition the second, the water-borne coatings that meets use as wood lacquer? why the external coating of woodenware is different from the lip-deep covering with paint of other material (as metal products, plastics), and this is determined by the timber natural characteristics.In brief, the internal structure of timber is very complicated.Different timber, the internal structure difference has tangible drying shrinkage the rising property that wets.Some seeds contains tannin and resin, the surface detail difference of different seeds.When being coated on wood surface,, just stick on the surface of timber as the polymkeric substance of paint binder with coating.Because timber is a kind of porous hygroscopic material, after coating is coated on this wood surface that is full of many apertures, according to the kind difference that constitutes coating polymer, the difference of polymericular weight, and the difference of used dispersion medium kind, their adsorptive capacitys on wood surface are different.When polymer-coated after the porous wood surface, polymer molecule must be by the aperture between okioplast wall and cell walls and the wall, just can reach the active adsorption surface of inner chamber cell, permeable cell walls polymkeric substance relative molecular mass capillaceous and can reach below 400000 by the polymkeric substance relative molecular mass of aperture between cell walls about 3000.Solvent in coating is the occasion of polar solvent, just expands behind the cell walls lyosorption of timber.When wood sample is immersed in the polymers soln, we can find, timber is inconsistent to the adsorptive capacity of solvent with to the adsorptive capacity of polymkeric substance, and, combining unstable solvent will combine firm that part of solvent with polymkeric substance and just be adsorbed near the polymkeric substance to the timber internal penetration with polymkeric substance.Polymkeric substance is because molecular weight is big, can not be by aperture between the cell walls of timber, at this moment be adsorbed on the outside surface of timber in conjunction with the solvent that has with polymkeric substance with polymkeric substance.In the process of coating drying and forming-film, the solvent that is adsorbed on the timber outside surface at first volatilizees in air, polymkeric substance just remains on the surface of timber with the form of filming, the solvent that is absorbed by the timber deep layer then could be released in the drying of coating and use at leisure, volatilizees in air.When coating solution is coated wood surface, following timber surface phenomenon has taken place promptly:
(1) the wood surface coating institute of at first being covered with paint, lacquer, colour wash, etc. is wetting;
(2) coating begins pipe surface infiltration between coarse timber kapillary and cell walls;
(3) viscosity of the cell walls of timber coating in the absorbing coating solvent begins to rise, and stops coating further to the cell interior infiltration of timber, and the coating polymer of at this moment staying on the wood surface just forms required the filming of one deck.
As woodwork coating, should meet following several primary condition: good beautify, decoration functions; The requirement that conforms has the excellent protection function; Has the workability that adapts to multiple constructional method; Good matching capacity and economy.Above-mentioned these problems are problems that the aqueous woodware paint research and development must be considered and face.Because aqueous woodware paint when exploitation in the market, some issue handlings improper causes the aqueous woodware paint poor availability, and ornamental poor, price is expensive, and supporting kind is incomplete.Address these problems, must just can develop the aqueous environment protection wood lacquer of commercial value at the characteristic of timber and the basic demand of wood lacquer.
Summary of the invention
Environmentally friendly nanostructure wood lacquer of a kind of water-dispersion and preparation technology have been the purpose of this invention is to provide.At ornamental bad with high glass transition temperature acrylic ester emulsion or polyaminoester emulsion, shortcomings such as paint film is easy to crack, the present invention has selected a kind of latex particle size less than 100nm's, can be normal temperature crosslinked, environmentally friendly pair of component of environmentally friendly siccative oil modification (methyl) acroleic acid polyurethane of water-dispersion and water-dispersion solidifies (methyl) acroleic acid polyurethane nanometer polymer emulsion as base-material, the nanostructure aqueous woodware paint that cooperates pigment, filler and various auxiliary agent to process.
The present invention is achieved by the following scheme; Environmentally friendly nanostructure wood lacquer of water-dispersion and preparation technology, its nanostructure wood lacquer is to be base-material with latex particle size less than two component (methyl) the acroleic acid polyurethane nanometer polymer emulsions of the environmentally friendly normal temperature crosslinked siccative oil modification of the water-dispersion of 100 nanometers (methyl) acroleic acid polyurethane nanometer polymer emulsion and self-vulcanizing, cooperate with pigment, filler, siccative and other auxiliary agent, process through operations such as dispersion, grindings.
The environmentally friendly nanostructure wood lacquer of above-mentioned water-dispersion water-dispersion,
Its constituent is made of following ingredients by weight:
(1) the environmentally friendly siccative oil modification of water-dispersion (methyl) acroleic acid polyurethane nanometer polymer emulsion 50-90, latex particle size is less than 100nm;
(2) environmentally friendly pair of component of water-dispersion solidifies (methyl) acroleic acid polyurethane nanometer polymer emulsion 50-90, and latex particle size is less than 100nm;
(3) pigment 0-25%;
(4) filler 1-30%;
(5) siccative 2-8%;
(6) other auxiliary agent 1-10%;
(7) softening water 1-20%;
Aqueous woodware paint of the present invention, is base-material with latex particle size less than the environmentally friendly normal temperature crosslinked single, double component polyurethane nanometer polymer emulsion of the water-dispersion of 100nm, cooperate with pigment, filler and other auxiliary agent and to make, the serial nano structure aqueous woodware paint that supporting system is complete.The research and development of this lacquer have taken into full account wood structure and characteristic, have taken into full account the basic demand that wood lacquer is covered with paint, lacquer, colour wash, etc.So this nanostructure aqueous woodware paint has ornamental good, good environmental adaptability is comprehensive, nontoxic, fast drying, moderate cost, easy construction, paint film mechanical property excellence, strong adhesion.Verified, this nanostructure aqueous woodware paint can compare favourably with conventional solvent type wood lacquer, can be widely used in the covering with paint and the protection of wooden articles.
Embodiment
Embodiment:
Constituent of the present invention is, woodenware is covered with paint, lacquer, colour wash, etc. the environmentally friendly nanostructure wood lacquer of water-dispersion of usefulness, and concrete composition and consumption are as follows:
(1) water-dispersion of described latex particle size below 100nm environmentally friendly normal temperature crosslinked (methyl) acroleic acid polyurethane nanometer polymer emulsion, solid part is 25-45%, this emulsion consumption in wood lacquer is 50-90%, preferably 70-90%.
(2) (methyl) acroleic acid polyurethane nanometer polymer emulsion of the water-dispersion environmentally friendly double-component cold curing of described latex particle size below 100nm, solid part is 25-45%, the consumption of this emulsion in aqueous woodware paint is 50-90%, preferably 70-90%.
(3) described softening water is deionized water or distilled water, and the soluble ion total amount is less than 100ppm in the water, and specific conductivity is less than 20 μ m/cm.
(4) described pigment can be Rutile type Titanium Dioxide, carbon black, phthalocyanine blue, red iron oxide, iron oxide black, iron oxide yellow, red, lemon yellow etc., and the consumption in coating is 1-25%.
(5) filler of Shi Yonging is 1250 order talcum powder, light calcium carbonate etc., and the consumption in coating is 5-30%.
(6) described siccative is to be the water miscible liquid of effective ingredient with cobalt naphthenate, zirconium, calcium.For example: the VXW siccative of Austria dimension Novartis Co.,Ltd, consumption is 2-8%, preferably 4-7% in coating.
(7) described total consumption is 1-10% other auxiliary agent comprises:
1. dispersion agent: the salt that is vinyl monomer and copolymers of unsaturated carboxylic acids.For example: 5040,5027 of Henkel Corp.; The BYK104 of Bi Ke company.
2. wetting agent: be polyether-modified alkanol.For example: the surfyno1104H of U.S.'s gas chemical industry; The Hydropalar 3204 of Henkel Corp. etc.
3. defoamer: be organic silicon modified by polyether.For example: the NopeoNXZ of Henkel Corp.; Sunfynol DF75, the DF210 of gas chemical industry; 020,024 of Bi Ke company.
4. flow agent: be organic silicon modified polyurethane.For example: the 1eoelliug620 of Henkel Corp., DSX2000; The SunfynolDynal604 of gas chemical industry.
5. matting agent: be the nano level aerosil.For example: the TS100/e805 of Henkel Corp..
6. thickening material: be associative thickener.For example: the 9N-636 of Henkel Corp., 1550; The M-8 of Rhom and Hass; The home-made m-tetrachlorophthalodinitrile.
7. pH value conditioning agent: be the volatility organic amine.For example: monoethanolamine, 2-amino-1-propyl alcohol, N-ethylmorpholine, triethylamine, N, N-dimethylethanolamine.
The preparation technology of the environmentally friendly nanostructure wood lacquer of water-dispersion:
(1) soft water that adding is accurately measured in the paint container, wetting agent stirred 5-10 minute with adjustable high-speed dispersion machine (down together), and rotating speed is 400-500rpm.
(2) nanometer polymer emulsion of adding formula ratio stirred 5-10 minute, and rotating speed is 500-600rpm.
(3) mill base of adding formula ratio stirred 5-10 minute, and rotating speed is 500-600rpm.
(4) extender paste of adding formula ratio stirred 10-30 minute, changeed 500-600rpm.
(5) add siccative, stirred 5-10 minute, rotating speed is 500-600rpm.
(6) add thickening material, flow agent stirred 5-10 minute, and rotating speed is 800-1000rpm.
(7) with 200 eye mesh screens filter (except the putty) pack finished product.
Below illustrate and list in table 1, but the present invention not only is confined in the following example.Performance by the aqueous woodware paint of above-mentioned formulation is listed in table 2.Annotate: table 1 embodiment and Comparative Examples 2 are woodenware putty.
Emulsion 1 be particle diameter below 100nm, the environmentally friendly normal temperature crosslinked siccative oil modification of water-dispersion (methyl) acroleic acid polyurethane nanometer polymer emulsion
Emulsion 2 be emulsion particle diameter below 100nm, the environmentally friendly double-component cold curing of water-dispersion (methyl) acroleic acid polyurethane nanometer polymer emulsion
Emulsion 3 is the R4180 pure-acrylic emulsion of Britain You Er-Li Fuda company of Kato group
Emulsion 4 is the R4105 pure-acrylic emulsion of Britain You Er-Li Fuda company of Kato group
Table 1 formulation examples
| Raw material | Embodiment | Comparative Examples | ||||||
| ??1 | ??2 | ??3 | ??4 | ????5 | ???6 | ???1 | ??2 | |
| Softening water | ??4.3 | ??2.1 | ??2.3 | ??1.9 | ????1.85 | ???1.05 | ???16.2 | ??17.7 |
| Wetting agent Hydropalat | ??0.1 | ??0.4 | ??0.3 | ??0.3 | ????0.5 | ???0.3 | ???0.2 | ??0.1 |
| Solidifying agent Baye3100 | ??0 | ??0 | ??13 | ??17 | ????13 | ???0 | ???0 | ??0 |
| Membrane-forming agent | ??1.5 | ??3 | ??3 | ???4 | ????6 | ???6 | ???1.0 | ??2.0 |
| Dispersion agent SN-5027 | ??0.5 | ??0 | ??0 | ???0 | ????0 | ???0 | ???0 | ??0.4 |
| Defoamer NopcoNXZ | ??0.2 | ??0.4 | ??0.4 | ???0.3 | ????0 | ???0 | ???0.3 | ??0.2 |
| Defoamer SurfynolDF210 | ??0 | ??0 | ??0 | ???0 | ????0.25 | ???0.35 | ???0 | ??0 |
| Titanium dioxide | ??0 | ??0 | ??0 | ???0 | ????20 | ???0 | ???0 | ??17.5 |
| Red iron oxide | ??0 | ??0 | ??0 | ???0 | ????0 | ???0 | ???1.5 | ??0 |
| Talcum powder 1250 orders | ??20 | ??0 | ??0 | ???0 | ????0 | ???0 | ???0 | ??7.2 |
| Lime carbonate | ??5 | ??0 | ??0 | ???0 | ????0 | ???0 | ???0 | ??1.09 |
| Flow agent SurfynolDyual604 | ??0 | ??0 | ??0 | ???0 | ????0.2 | ???0.1 | ???0.1 | ??0.1 |
| Flow agent Thichleoelling632 | ??0.2 | ??0.9 | ??0.8 | ???0.9 | ????0 | ???0 | ???0 | ??0 |
| The pH value conditioning agent | ??0.2 | ??0.2 | ??0.2 | ???0.2 | ????0.2 | ???0.2 | ???0.2 | ??0.2 |
| Matting agent | ??0 | ??2.0 | ??0 | ???0 | ????0 | ???0 | ???0 | ??0 |
| Thickening material SN-636 (10%) | ??15 | ??0 | ??0 | ???0 | ????0 | ???0 | ???0 | ??0 |
| Thickening material R430 | ??0 | ??0 | ??0 | ???0 | ????0 | ???0 | ???10 | ??0.2 |
| Siccative | ??3 | ??5 | ??0 | ???0 | ????0 | ???5 | ???0 | ??0 |
| Emulsion 1 | ??50 | ??86 | ??0 | ???0 | ????0 | ???87 | ???0 | ??0 |
| Emulsion 2 | ??0 | ??0 | ??80 | ???75.4 | ????42 | ???0 | ???0 | ??0 |
| Emulsion 3 | ??0 | ??0 | ??0 | ???0 | ????0 | ???0 | ???70.5 | ??0 |
| Emulsion 4 | ??0 | ??0 | ??0 | ???0 | ????0 | ???0 | ???0 | ??43.5 |
| Add up to | ??100 | ??100 | ??100 | ???100 | ????100 | ???100 | ???100 | ??100 |
Table 2. aqueous woodware paint performance
| Project | Embodiment | Comparative Examples | ||||
| ??2 | ???3 | ???4 | ????5 | ???6 | ???1 | |
| Open a jar state | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
| Appearance of coat | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
| Heatproof: 80 ℃, 15min, paint film do not have variable color, foaming, and no successive turn trace or the tangible circle trace that is interrupted allow slight loss of gloss | Qualified | Qualified | Qualified | Qualified | Qualified | Defective |
| Water-fast: 80h, paint film do not have variable color, foaming, allow slight loss of gloss | Qualified | Qualified | Qualified | Qualified | Qualified | ???24h |
| Acidproof: 12h, paint film do not have variable color, foaming, allow slight loss of gloss | Qualified | Qualified | Qualified | Qualified | Qualified | ???4h |
| Alkaline-resisting: 4h, paint film do not have variable color, foaming, allow slight loss of gloss | Qualified | Qualified | Qualified | Qualified | Qualified | ???1h |
| Gloss: 60 ° of specular reflections, more than 80% | ?—— | ???98 | ???97 | ???97 | ???96 | ???30 |
| Sticking power: 80% above paint film does not come off | Qualified | Qualified | Qualified | Qualified | Qualified | ??40％ |
| The cold and hot temperature difference: 3 all paint film flawlesses, bubble, come off, allow light discolouration | Qualified | Qualified | Qualified | Qualified | Qualified | 1 week |
| Fastness to rubbing (quality is 1000g), 400 commentaries on classics do not show money or valuables one carries unintentionally | Qualified | Qualified | Qualified | Qualified | Qualified | Defective |
Annotate: slight loss of gloss; Refer to reduce 5-10% before gloss is than test.
Claims (8)
1, the environmentally friendly nanostructure wood lacquer of a kind of water-dispersion, be to be base-material less than two component (methyl) the acroleic acid polyurethane nanometer polymer emulsions of the environmentally friendly normal temperature crosslinked siccative oil modification of the water-dispersion of 100nm (methyl) vinylformic acid Polyurethane nanometer polymer emulsion and self-vulcanizing with a kind of latex particle size, with pigment, filler, siccative and other auxiliary agent cooperate, and process through operations such as dispersion, grindings.
2, the environmentally friendly nanostructure wood lacquer of water-dispersion according to claim 1, it is characterized in that, the environmentally friendly siccative oil modification of water-dispersion (methyl) acroleic acid polyurethane nanometer polymer emulsion, the disperse phase particle diameter is less than 100nm, adding the water dispersed with stirring with the volatile amine neutralization forms, solid content is 25-45%, and consumption is 50-90% in coating.
3, the environmentally friendly nanostructure wood lacquer of water-dispersion according to claim 1, it is characterized in that, the environmentally friendly double-component cold curing of water-dispersion (methyl) vinylformic acid Polyurethane nanometer polymer emulsion, particle diameter is less than 100nm, neutralize with volatile amine, add the water dispersed with stirring and form, solids content is 25-45%, and consumption is 50-90% in coating.Used solidifying agent is 3100 of a Beyer Co., Ltd, and consumption is the 10-30% of lacquer amount.
4, the environmentally friendly nanostructure wood lacquer of water-dispersion according to claim 1, it is characterized in that, said pigment can be Rutile type Titanium Dioxide, carbon black, red iron oxide, iron oxide black, iron oxide yellow, phthalocyanine blue, red, and consumption is the 1-25% of lacquer amount.
5, the environmentally friendly nanostructure wood lacquer of water-dispersion according to claim 1 is characterized in that said filler can be talcum powder, barium sulfate, lime carbonate, and the consumption in coating is 5-20%.
6, the environmentally friendly nanostructure wood lacquer of water-dispersion according to claim 1 is characterized in that, said siccative is that cobalt naphthenate, zirconium, calcium are the composite drier emulsion of active ingredient, and consumption is the 2-7% of lacquer amount.
7, the environmentally friendly nanostructure wood lacquer of water-dispersion according to claim 1 is characterized in that, said other auxiliary agents are wetting agent, dispersion agent, defoamer, mould inhibitor, thickening material, flow agent, matting agent, pH value conditioning agent etc., particular compound is as described in the application form text, and consumption is the 1-10% of coating total amount.
8, the preparation technology of the environmentally friendly nanostructure wood lacquer of a kind of water-dispersion is characterized in that, comprises the steps:
(1) soft water that adding is accurately measured in the paint container, wetting agent stirred 5-10 minute with adjustable high-speed dispersion machine (down together), and rotating speed is 400-500rpm.
(2) nanometer polymer emulsion of adding formula ratio stirred 5-10 minute, and rotating speed is 500-600rpm.
(3) mill base of adding formula ratio stirred 5-10 minute, and rotating speed is 500-600rpm.
(4) extender paste of adding formula ratio stirred 10-30 minute, and rotating speed is 500-600rpm.
(5) add siccative, stirred 5-10 minute, rotating speed is 500-600rpm.
(6) add thickening material, flow agent stirred 5-10 minute, and rotating speed is 800-1000rpm.
(7) with 200 eye mesh screens filter (except the putty) pack finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 03113622 CN1431265A (en) | 2003-01-21 | 2003-01-21 | Moisture dispersion and environment friendly type nano structured carpentry paint and its producing technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 03113622 CN1431265A (en) | 2003-01-21 | 2003-01-21 | Moisture dispersion and environment friendly type nano structured carpentry paint and its producing technique |
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| CN1431265A true CN1431265A (en) | 2003-07-23 |
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| CN 03113622 Pending CN1431265A (en) | 2003-01-21 | 2003-01-21 | Moisture dispersion and environment friendly type nano structured carpentry paint and its producing technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974277A (en) * | 2010-10-29 | 2011-02-16 | 浙江菲达中科精细化学品有限公司 | White waterborne wood base coat for medium density fiberboard and preparation technology thereof |
| CN102250537A (en) * | 2011-05-30 | 2011-11-23 | 亚士漆(上海)有限公司 | Waterborne wood paint |
-
2003
- 2003-01-21 CN CN 03113622 patent/CN1431265A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974277A (en) * | 2010-10-29 | 2011-02-16 | 浙江菲达中科精细化学品有限公司 | White waterborne wood base coat for medium density fiberboard and preparation technology thereof |
| CN101974277B (en) * | 2010-10-29 | 2013-01-16 | 浙江菲达中科精细化学品有限公司 | White waterborne wood base coat for medium density fiberboard and preparation technology thereof |
| CN102250537A (en) * | 2011-05-30 | 2011-11-23 | 亚士漆(上海)有限公司 | Waterborne wood paint |
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