CN1375535A - Acrylic acid modified high-performance water-thinned alkyd enamal - Google Patents
Acrylic acid modified high-performance water-thinned alkyd enamal Download PDFInfo
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- CN1375535A CN1375535A CN 01107900 CN01107900A CN1375535A CN 1375535 A CN1375535 A CN 1375535A CN 01107900 CN01107900 CN 01107900 CN 01107900 A CN01107900 A CN 01107900A CN 1375535 A CN1375535 A CN 1375535A
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Abstract
Firstly, the self-emulsifying air-drying acrylic acid modified alkyd emulsion can be synthesized. Said emulsion can be used as base material, then mixed with pigment and adjuvant, ground and dispersed to obtain the invented enamel paint which is non-toxic, fire-resistant and convenient for application, which can be constructed by adopting several methods of brushing, spraying and dip-coating, so that it psosesses extensive application range.
Description
Traditional coating mostly is solvent-borne type, wherein contains a large amount of organic solvents more, the also normal organic solvent diluting that adds during use, and these solvents evaporate in construction in the atmosphere, and harmful and contaminate environment causes the danger of fire in addition to health of human body.Along with countries in the world environmental requirement increasingly stringent, the friendly type coating of development environment is trend of the times with replace solvents type coating.The solvent-borne type alkyd varnish occupies suitable proportion with its excellent comprehensive performances in the traditional coating field always.Sound along with the raising of people's environmental consciousness and national environmental protection rules, develop can replace solvents type alkyd paint Water-borne alkyd coating be the striving direction of coating industry always.This has wherein experienced following three phases:
Fs is with the solvent-borne type alkyd emulsification with emulsifying agent.This method is owing to add the influence of emulsifying agent, has that paint film poor water resistance, stability of emulsion are bad, many drawbacks such as film-forming properties and ornamental difference.
Subordinate phase is that some hydrophilic radicals such as polyether segment, carboxyl etc. are introduced in the pure acid molecule, is scattered in to form water-dilutable alkyd in the alkaline aqueous solution under solubility promoter helps.There are shortcomings such as emulsion viscosity height, paint film poor water resistance, organic solvent content height in this method.
Exactly because above two kinds of methods exist the drawback that itself can't overcome, people now just are being devoted to the development of third generation aqueous alkide resin, the i.e. emulsion of nucleocapsid structure, self-emulsifying.This emulsion is not owing to add emulsifying agent, overcome to add the shortcoming that emulsifying agent causes; Because of its emulsion particle is a nucleocapsid structure, the whole acid number of resin is lower and need not add solubility promoter, has overcome s-generation alkyd institute some shortcomings of inherent again.For example, Austria dimension Novartis Co.,Ltd develops water-based acrylic acid modified alcoholic acid enamel paint (AT9400711), it is to get copolymer A with unsaturated fatty acids and vinylformic acid mix monomer such as methacrylic acid, (methyl) polyalkylene glycol acrylate ester, other (methyl) vinylformic acid (ester) or vinyl monomer through radical polymerization respectively, get polymer B with unsaturated fatty acids, polyvalent alcohol, diprotic acid, the acid of (polynary) ring-type through esterification, make both reactions obtain the acrylic acid modified alkyd resin that acid number is 25-70 again, 80% methacrylic acid that derives from the copolymer A of its acid number.This resin is neutralized, adds the water stirring with alkali get final product self-emulsifying, obtain the acrylic modified alkyd emulsion.With this emulsion is that base-material can prepare acrylic modified alkyd enamel paint, is used for the protection and the decoration of various metallic surfaces.This invention advantage is an emulsion mechanical stability height, can grind jointly with color stuffing, has simplified the system lacquer craftwork.Coating application performance, wet film levelling property are better, and the paint film physical strength is higher.One of shortcoming is that the unsaturated fatty acids less to originate, that price is higher is that raw material and resin preparation process are complicated, and raw material sources are limited, and production cost is higher.It two is to contain the stronger polyethers of wetting ability (polyoxyethylene) group in the resin, influences the water tolerance of paint film.It three is that big (median size＞200nm), gloss of film is on the low side for emulsion particle diameter.
For overcoming the shortcoming of existing Water-borne alkyd coating, the present invention develops a kind of acrylic acid modified alkyd resin nanoemulsions of nuclear-shell structure, particle size of emulsion is little of 10-100nm, with this emulsion is that base-material cooperates the water-based acrylic acid modified alcoholic acid enamel paint of making high gloss, high-decoration with pigment, auxiliary agent, its workability, from dryness, paint film physical strength, the ornamental level that all reaches the solvent-borne type synthetic enamel.
Enforcement of the present invention not only has remarkable economic efficiency, and has the huge social benefit.For the technical progress of paint industry, the protection environment for human survival all has important meaning.
Technical scheme of the present invention comprises acrylic modified alkyd nanoemulsions and preparation method thereof and is enamel paint of base-material and preparation method thereof with this emulsion.
Acrylic modified alkyd nanoemulsions preparating mechanism of the present invention is as follows: at first prepare siccative oil or semi-drying oil Synolac, earlier carry out alcoholysis reaction with siccative oil or semi-drying oil and polyvalent alcohol, add dibasic acid anhydride and eleostearic acid and alcoholysate again and carry out esterification, after reaching predetermined acid number and viscosity, cooling obtains Synolac.Drip the acrylic acid or the like mix monomer of predetermined acid number then, insulation reaction for some time, reach predetermined viscosity after, self-emulsifying is carried out in cooling in alkaline aqueous solution, promptly having made with the Synolac is nuclear, is the nanoemulsions of shell with the acrylic polymers.
Acrylic modified alkyd nanoemulsions provided by the invention can be synthetic by following prescription:
Weight part
Siccative oil or semi-drying oil 40-60
Polyvalent alcohol 10-20
Dibasic acid anhydride 20-40
Eleostearic acid 3-10
Acrylic monomer 20-40
Industrial soft water 125-250
Neutralizing agent 3-6
Catalyzer 0.01-0.05
Initiator 0.1-2.0
The preparation method of acrylic modified alkyd nanoemulsions is as follows: (1) adds 1 with siccative oil or semi-drying oil, polyvalent alcohol and the catalyzer of formula ratio
#Reaction vessel starts stirring, and logical nitrogen is warmed up to 230--260 ℃, and insulation reaction 1--2h when 95% ethanol tolerance is end-point of alcoholysis in the time of 1: 9, cools to 180--190 ℃ again.(2) dibasic acid anhydride, the eleostearic acid with formula ratio adds 1
#Reaction vessel, the backflow dimethylbenzene that adds 3-8 part is in 210--240 ℃ of following back flow reaction 3-5h.When viscosity reaches 4--6s or acid number and reaches 5--10mgKOH/g, stop heating, cool to 120--130 ℃, transfer to 2
#Reaction vessel.(3) by formula ratio acrylic monomer and initiator are mixed, enter the high-order groove that drips, under nitrogen protection, be added drop-wise to 2
#In the reaction vessel, drip time 2-3h, again in 100--130 ℃ of following insulation reaction 2-3h, when viscosity reaches 6-9s, cool to 70--80 ℃ standby.(4) industrial soft water, the neutralizing agent with formula ratio joins 3
#In the reaction vessel, open stirring, with 2
#Material in the reaction vessel transfers to 3
#In the reaction vessel, self-emulsifying 1--3h promptly obtains the acrylic modified alkyd nanoemulsions.
Above-mentioned siccative oil or semi-drying oil be selected from following one or more: oleum lini, synourin oil, soya-bean oil; Polyvalent alcohol be selected from following one or more: glycerine, tetramethylolmethane, TriMethylolPropane(TMP); Dibasic acid anhydride be selected from following one or more: phthalic anhydride, tetrahydrophthalic anhydride, maleic anhydride; Acrylic monomer comprise following one or more: vinylformic acid, methacrylic acid, butyl methacrylate, methyl methacrylate; Neutralizing agent be selected from following one or more: 2-amino-1-propyl alcohol, N-ethylmorpholine, N, N dimethylethanolamine, triethylamine; Industrial soft water is deionized water or distilled water, and the content that requires water-soluble substances wherein is less than 100ppm, and specific conductivity is less than 20 μ s/cm.Catalyzer is selected from plumbous oxide, lithium hydroxide or its mixture; It is fine that initiator is selected from benzoyl peroxide (BPO), lauroyl peroxide, azo 2 isobutyls.
The present invention utilizes the acrylic modified alkyd nanoemulsions of gained to make base-material to cooperate with pigment, auxiliary agent and make enamel paint, and its composition comprises:
Weight percent %
Acrylic modified alkyd nanoemulsions 40-80
Pigment 1-25
Auxiliary agent 0.5-5
Industrial soft water 5-20
Siccative 1-5
Neutralizing agent 0.1-0.5
The preparation method of this enamel paint is: (1) adds the industrial soft water and the auxiliary agent of metering in container, stirs evenly with adjustable high-speed dispersion machine (down together).(2) the acrylic modified alkyd nanoemulsions of the more than half amounts of adding stirs evenly.(3) add pigment, stir evenly.(4) be ground to fineness less than 50 μ m with ball mill or sand mill, get mill base.(5) in joining the lacquer container, add mill base, residual acrylic acid acid modified alcoholic nanoemulsions, siccative, stir evenly.(6) add neutralizing agent, the accent pH value is 8-9, filters, and gets finished product.
Aforesaid propylene acid acid modified alcoholic nanoemulsions is homemade, and solid part is 30-50%, and the optimum amount in coating is 60-80%.
Pigment is selected from red iron oxide, iron oxide black, iron oxide yellow, titanium dioxide, phthalocyanine blue, organic yellow, carbon black etc., and water-soluble substances content should be preferably less than 0.3% less than 0.5% in the pigment.Optimum amount in coating is 1-20%.
Described siccative is to be the emulsion of effective ingredient with cobalt naphthenate, zirconium naphthenate, calcium naphthenate, zinc naphthenate etc.;
Described auxiliary agent comprise following one or more: thickening material, dispersion agent, wetting agent, flow agent, defoamer, sanitas, mould inhibitor.Wherein thickening material is a caustic solubility ACRYLIC EMULSION class thickening material; Selecting for use because of pigment property of dispersion agent decided, for mineral dyes such as titanium dioxide, red iron oxides, sodium, ammonium, the amine salt of alkenyl monomer and unsaturated carboxylic acid and lipin polymer thereof can be adopted,, high-molecular block copolymer can be selected for use with close pigment group for pigment dyestuffs such as phthalocyanine blues; Wetting agent is selected polyether-modified alkynol for use, and the advantage of this wetting agent is significantly to reduce the dynamic and static surface tension of coating, and promotion dispersing of pigments and coating are wetting to ground.Flow agent is selected water polyacrylic acid or organic silicon modified by polyether type for use, and defoamer is an organic silicon modified by polyether.
Described neutralizing agent is the volatility organic amine, be selected from following one or more: monoethanolamine, 2-amino-1-propyl alcohol, N-ethylmorpholine, triethylamine, N.N dimethylethanolamine.
Compare with existing water alcohol acid enamel paint with traditional solvent-borne type synthetic enamel, this enamel paint has following advantage: 1. safe and convenient to use.This enamel paint is dispersion medium with water, does not contain solubility promoter, has improved construction environment, has avoided disaster hidden-trouble.2. good decorative property.The base-material of this enamel paint is the micro-nano emulsion of acrylic modified alkyd, and emulsion particle diameter is little, and median size has only 10-100nm, can prepare the enamel paint of high gloss, high-decoration.3. paint film property is good.The base-material of this enamel paint is the acrylic modified alkyd nanoemulsions of nucleocapsid structure, and its nuclear is for Synolac, shell is an acrylic resin, both kept Synolac good from dryness, good sticking power and snappiness, possess the weathering resistance of acrylic resin excellence again.4. these enamel paint raw material sources are wide, and cost is low, is convenient to large-scale promotion application.5. have a extensive future.The every index of this enamel paint has has all met or exceeded solvent-borne type synthetic enamel level, can replace the solvent-borne type synthetic enamel fully, good suitability be arranged aspect the decoration of verified this enamel paint steel and iron member in facilities such as train, automobile, boats and ships, bridge, pipeline, basin and the protection.
Following embodiment is used to illustrate the present invention, but the present invention is not imposed any restrictions.Table 1 is emulsion synthetic embodiment and Comparative Examples and relevant characters; Table 2 is formulation Example and Comparative Examples of enamel paint; Table 3 is performance index of the enamel paint made according to the prescription of table 2.
1# emulsion, 2# emulsion, 3# emulsion are respectively that the embodiment 1,2,3 of table 1 makes in the table; The AY-396 emulsion is the acrylic modified alkyd emulsion of Austria dimension Novartis Co.,Ltd; The AC-261 emulsion is a Beijing Orient--the ACRYLIC EMULSION of Rhom and Hass.The VXW siccative is the product of Austria dimension Novartis Co.,Ltd; The TT935 thickening material is the product of Beijing Orient-Rhom and Hass; 5040 dispersion agents are that product, the Byk184 dispersion agent of Henkel KGaA company is the product of German Bi Ke company.Wetting agent is SURFYNOL GA, the sanitas KATHON LXE of U.S. aerochemistry company, and mould inhibitor SKANE M-8 is the product of Beijing Orient-Rhom and Hass; Defoamer NXZ is the product of Henkel KGaA company.
Table 1 emulsion is synthesized embodiment
| Project | Embodiment | Comparative Examples | |||||||
| ??1 | ??2 | ??3 | ??4 | ??5 | ??6 | ??1 | ??2 | ??3 | |
| Oleum lini | ??40 | ??50 | ??60 | ??50 | ??50 | ??25 | ??50 | ??50 | ??0 |
| Soya-bean oil | ??0 | ??0 | ??0 | ??0 | ??0 | ??25 | ??0 | ??0 | ??50 |
| Glycerine | ??20 | ??17 | ??13 | ??17 | ??17 | ??17 | ??17 | ??17 | ??17 |
| Phthalic anhydride | ??40 | ??33 | ??27 | ??33 | ??33 | ??33 | ??33 | ??33 | ??33 |
| Eleostearic acid | ??5 | ??4 | ??3 | ??4 | ??4 | ??4 | ??4 | ??4 | ??5 |
| Methacrylic acid | ??2 | ??2 | ??2 | ??1 | ??2 | ??2 | ??1 | ??2 | ??2 |
| Vinylformic acid | ??1 | ??1 | ??1 | ??2 | ??1 | ??1 | ??1 | ??2 | ??1 |
| Methyl methacrylate | ??13 | ??13 | ??13 | ??13 | ??15 | ??15 | ??13 | ??13 | ??13 |
| Butyl acrylate | ??14 | ??14 | ??14 | ??14 | ??12 | ??12 | ??14 | ??14 | ??14 |
| Industrial soft water | ??200 | ??210 | ??150 | ??160 | ??170 | ??180 | ??170 | ??170 | ??170 |
| 2-amino-1-propyl alcohol | ??2.3 | ??5 | |||||||
| N-ethylmorpholine | ??6 | ??1 | ??6.5 | ||||||
| N, N dimethyl ethanol ammonia | ??2 | ??5 | ??2 | ??5 | |||||
| Triethylamine | ??2 | ??2 | ??3 | ??2 | |||||
| Emulsion particle diameter nm | ??43 | ??57 | ??69 | ??97 | ??81 | ??31 | ??112 | ??24 | ??28 |
| Self-emulsifying | Good | Good | Good | Good | Good | Good | Difference | Good | Good |
| Thermostability | Good | Good | Good | Good | Good | Good | Difference | Good | Good |
| Water-resistance property of coating, h | ??48 | ??48 | ??48 | ??48 | ??48 | ??48 | ??48 | ??36 | ??36 |
Table 2 enamel paint formulation examples
| Raw material (gram) | Embodiment | Comparative Examples | |||||||||
| ??1 | ????2 | ????3 | ????4 | ????5 | ????6 | ????7 | ????8 | ????1 | ????2 | ????3 | |
| Softening water | ??115 | ????150 | ????150 | ????105 | ????100 | ????115 | ????110 | ????115 | ????100 | ????115 | ????100 |
| ??SURFYNOL?GA | ??2.0 | ????1.5 | ????2.5 | ????2.0 | ????2.0 | ????1.5 | ????2.0 | ????2.0 | ????1.5 | ????2.0 | ????2.0 |
| Dispersion agent 5040 | ??2 | ????0 | ????2 | ????2 | ????2 | ????1.5 | ????1.5 | ????2 | ????2 | ????2 | ????2 |
| Dispersant B yk184 | ??2 | ????2 | ????0 | ????0.5 | ????2 | ????0.5 | ????2 | ????0 | ????2 | ????3 | ????3 |
| Defoamer NXZ | ??0.3 | ????0.1 | ????0.2 | ????0.2 | ????0.3 | ????0.1 | ????0.2 | ????0.3 | ????0.1 | ????0.2 | ????0.2 |
| ??KATHON?LXE | ??1.5 | ????2 | ????1 | ????1.5 | ????1.5 | ????1 | ????1 | ????1 | ????1 | ????2 | ????1 |
| ??SKANE?M-8 | ??2 | ????3 | ????1 | ????2 | ????2 | ????1 | ????1 | ????1 | ????1 | ????2 | ????1 |
| 2-amino-1-propyl alcohol | ??4 | ????2 | ????1 | ????4 | |||||||
| N-ethylmorpholine | ????5 | ????1 | ????2 | ||||||||
| N, N dimethyl ethanol ammonia | ????3 | ????2 | ????1 | ????3 | |||||||
| Triethylamine | ????5 | ????3 | ????2 | ????1 | ????1 | ||||||
| Iron oxide black | ??100 | ????0 | ????0 | ????0 | ????0 | ????0 | ????0 | ????0 | ????200 | ????0 | ????0 |
| Red iron oxide | ??0 | ????0 | ????150 | ????0 | ????0 | ????0 | ????0 | ????0 | ????0 | ????0 | ????0 |
| Titanium dioxide | ??0 | ????0 | ????0 | ????150 | ???100 | ????150 | ????130 | ????150 | ????0 | ????150 | ????150 |
| Carbon black | ??10 | ????15 | ????0 | ????2 | ???0 | ????2 | ????0 | ????0 | ????10 | ????0 | ????0 |
| Phthalocyanine blue | ??0 | ????0 | ????0 | ????0 | ???20 | ????0 | ????20 | ????0 | ????0 | ????20 | ????20 |
| The 1# emulsion | ??750 | ????800 | ????0 | ????0 | ???0 | ????0 | ????0 | ????0 | ????650 | ????0 | ????0 |
| The 2# emulsion | ??0 | ????0 | ????700 | ????700 | ???750 | ????0 | ????0 | ????0 | ????0 | ????0 | ????0 |
| The 3# emulsion | ??0 | ????0 | ????0 | ????0 | ???0 | ????700 | ????700 | ????700 | ????0 | ????0 | ????0 |
| The AY-396 emulsion | ??0 | ????0 | ????0 | ????0 | ???0 | ????0 | ????0 | ????0 | ????0 | ????0 | ????700 |
| The AC-261 emulsion | ??0 | ????0 | ????0 | ????0 | ???0 | ????0 | ????0 | ????0 | ????0 | ????700 | ????0 |
| The VXW siccative | ??15 | ????17 | ????16 | ????15 | ???15 | ????17 | ????17 | ????16 | ????15 | ????0 | ????17 |
| The TT-935 thickening material | ??6 | ????12 | ????10 | ????15 | ???8 | ????13 | ????14 | ????11 | ????18 | ????10 | ????10 |
| Add up to | ??100 ??9.8 | ????101 ????0.6 | ????100 ????3.7 | ????100 ????2.2 | ???100 ???9.8 | ????100 ????7.1 | ????100 ????1.2 | ????100 ????1.3 | ????100 ????6.6 | ????100 ????9.2 | ????100 ????9.2 |
The performance of table 3. enamel paint
| Project | Embodiment | Comparative Examples | ||||||||||
| ????1 | ????2 | ????3 | ????4 | ????5 | ????6 | ????7 | ????8 | ????1 | ????2 | ????3 | ||
| Appearance of coat | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | |
| Fineness, μ m | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | |
| Viscosity, s,＞ | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | ????30 | |
| Time of drying | Surface drying, h | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 |
| Do solid work h | ????24 | ????24 | ????24 | ????24 | ????24 | ????24 | ????24 | ????24 | ????24 | ????24 | ????24 | |
| Gloss of film, 60 ° | ????87 | ????91 | ????86 | ????87 | ????87 | ????86 | ????88 | ????87 | ????82 | ????72 | ????75 | |
| Sticking power, level | ????1 | ????1 | ????1 | ????1 | ????1 | ????1 | ????1 | ????1 | ????1 | ????2 | ????1 | |
| Shock-resistant, Kg.cm | ????40 | ????40 | ????40 | ????40 | ????40 | ????40 | ????40 | ????40 | ????40 | ????40 | ????40 | |
| Snappiness, mm | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | ????2 | |
| Cupping, mm | ????6 | ????6 | ????6 | ????6 | ????6 | ????6 | ????6 | ????6 | ????6 | ????6 | ????6 | |
| Water-fast, h | ????48 | ????48 | ????48 | ????48 | ????48 | ????48 | ????48 | ????48 | ????48 | ????24 | ????36 | |
| Freeze-thawing resistant, circulation | ????5 | ????5 | ????5 | ????5 | ????5 | ????5 | ????5 | ????5 | ????5 | ????0 | ????5 | |
Claims (10)
1. the acrylic modified alkyd nanoemulsions of a nuclear-shell structure, this emulsion be nuclear with the Synolac, be shell with the acrylic polymers, its solid part is 30-50%, pH value is 7-10, emulsion particle diameter is 10-100nm.
2. the acrylic modified alkyd nanoemulsions of claim 1, it can be synthetic by following prescription:
Weight part
Siccative oil or semi-drying oil 40-60
Polyvalent alcohol 10-20
Dibasic acid anhydride 20-40
Eleostearic acid 3-10
Acrylic monomer 20-40
Industrial soft water 125-250
Neutralizing agent 3-6
Catalyzer 0.01-0.05
Its preparation method of initiator 0.1-2.0 is: (1) adds 1 with siccative oil or semi-drying oil, polyvalent alcohol and the catalyzer of formula ratio
#Reaction vessel starts stirring, and logical nitrogen is warmed up to 230--260 ℃, and insulation reaction 1--2h when 95% ethanol tolerance is end-point of alcoholysis in the time of 1: 9, cools to 180--190 ℃ again.(2) dibasic acid anhydride, the eleostearic acid with formula ratio adds 1
#Reaction vessel adds 3-8 part backflow dimethylbenzene, in 210--240 ℃ of following back flow reaction 3-5h, when viscosity reaches 4--6s or acid number and reaches 5--10mgKOH/g, stops heating, cools to 120--130 ℃, transfers to 2
#Reaction vessel.(3) by formula ratio acrylic monomer and initiator are mixed, enter the high-order groove that drips, under nitrogen protection, be added drop-wise to 2
#In the reaction vessel, drip time 2-3h, again in 100--130 ℃ of following insulation reaction 2-3h, when viscosity reaches 6-9s, cool to 70--80 ℃ standby.(4) industrial soft water, the neutralizing agent with formula ratio joins 3
#In the reaction vessel, open stirring, with 2
#Material in the reaction vessel transfers to 3
#In the reaction vessel, self-emulsifying 1--3h, the acrylic modified alkyd nanoemulsions that promptly obtains.
3. according to the acrylic modified alkyd nanoemulsions of claim 2, it is characterized in that, described siccative oil or semi-drying oil be selected from following one or more: oleum lini, synourin oil, soya-bean oil; Described polyvalent alcohol be selected from following one or more: glycerine, tetramethylolmethane, TriMethylolPropane(TMP); Described dibasic acid anhydride be selected from following one or more: phthalic anhydride, tetrahydrophthalic anhydride, maleic anhydride; Described acrylic monomer comprise following one or more: vinylformic acid, methacrylic acid, butyl methacrylate, methyl methacrylate; Described neutralizing agent be selected from following one or more: 2-amino-1-propyl alcohol, N-ethylmorpholine, N, N dimethylethanolamine, triethylamine.
4. the water-based enamel paint of making as base-material with the acrylic modified alkyd nanoemulsions of claim 1 is characterized in that this enamel paint comprises following composition:
Weight percent (%)
Acrylic modified alkyd nanoemulsions 40-80
Pigment 1-25
Auxiliary agent 0.5-5
Industrial soft water 5-20
Siccative 1-5
Neutralizing agent 0.1-0.5
5. the preparation method of the water-based enamel paint of claim 4 is: (1) adds the industrial soft water and the auxiliary agent of metering in container, stirs evenly with adjustable high-speed dispersion machine (down together).(2) the acrylic modified alkyd nanoemulsions of the more than half amounts of adding stirs evenly.(3) add pigment, stir evenly.(4) be ground to fineness less than 50 μ m with ball mill or sand mill, get mill base.(5) in joining the lacquer container, add mill base, residual acrylic acid acid modified alcoholic nanoemulsions, siccative, stir evenly.(6) add neutralizing agent, the adjusting pH value is 8-9, filters, and gets finished product.
6. according to the water-based enamel paint of claim 4, it is characterized in that, described pigment be selected from following one or more: red iron oxide, iron oxide black, iron oxide yellow, titanium dioxide, phthalocyanine blue, organic yellow, carbon black etc., water-soluble substances content should be preferably less than 0.3% less than 0.5% in the pigment.Optimum amount in coating is 5-20%.
7. according to the water-based enamel paint of claim 4, it is characterized in that described siccative is to be the emulsion of effective ingredient with cobalt naphthenate, zirconium naphthenate, calcium, zinc naphthenate etc.;
8. according to the water-based enamel paint of claim 4, it is characterized in that, described auxiliary agent comprise following one or more: dispersion agent, wetting agent, flow agent, defoamer, sanitas, mould inhibitor, thickening material.Wherein thickening material is a caustic solubility ACRYLIC EMULSION class thickening material.
9. according to the water-based enamel paint of claim 4, it is characterized in that described neutralizing agent is the volatility organic amine, be selected from following one or more: monoethanolamine, 2-amino-1-propyl alcohol, N-ethylmorpholine, triethylamine, N, N dimethylethanolamine.
10. according to the water-based enamel paint of claim 4, it is characterized in that the optimum amount of described acrylic modified alkyd nanoemulsions is 60-80%.
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| CNB011079002A CN1161437C (en) | 2001-03-15 | 2001-03-15 | Acrylic acid modified high-performance water-thinned alkyd enamal |
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|---|---|---|---|
| CNB011079002A CN1161437C (en) | 2001-03-15 | 2001-03-15 | Acrylic acid modified high-performance water-thinned alkyd enamal |
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| CN1375535A true CN1375535A (en) | 2002-10-23 |
| CN1161437C CN1161437C (en) | 2004-08-11 |
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| CN102533069A (en) * | 2011-12-06 | 2012-07-04 | 东营利丰化工新材料有限公司 | Manufacturing process of water-based acrylic modified alkyd paint |
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| CN103483912A (en) * | 2012-06-12 | 2014-01-01 | 上海富臣化工有限公司 | Oily red paste and preparation method thereof |
| CN102775894A (en) * | 2012-07-05 | 2012-11-14 | 江苏碧松照明电气有限公司 | Air-drying enamel |
| CN103059278A (en) * | 2012-12-21 | 2013-04-24 | 江苏三木化工股份有限公司 | Air-drying alkyd resin and preparation method thereof |
| CN103467747A (en) * | 2013-08-13 | 2013-12-25 | 嘉兴市清河高力绝缘有限公司 | Preparation method for water-based acrylic acid modified alkyd emulsion and its amino baking varnish |
| CN104530938A (en) * | 2015-01-15 | 2015-04-22 | 徐强 | Waterborne alkyd enamel and preparation method thereof |
| CN106189755A (en) * | 2016-08-17 | 2016-12-07 | 安徽江淮车轮有限公司 | A kind of fork truck steel ring Waterproof paint |
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| CN108976399A (en) * | 2018-08-17 | 2018-12-11 | 重庆南方漆业有限公司 | A kind of aqueous alkide resin and preparation method thereof |
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Assignee: Zhejiang Tiannv Group Paint Co., Ltd. Assignor: Research Inst of Ocean Chemistry Contract fulfillment period: 2006.3.16 to 2013.3.15 contract change Contract record no.: 2008330001312 Denomination of invention: Acrylic acid modified high-performance water-thinned alkyd enamal Granted publication date: 20040811 License type: Exclusive license Record date: 20081023 |
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