CN1068131A - Water-thinned iron-red primer and preparation method thereof - Google Patents
Water-thinned iron-red primer and preparation method thereof Download PDFInfo
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- CN1068131A CN1068131A CN 92106610 CN92106610A CN1068131A CN 1068131 A CN1068131 A CN 1068131A CN 92106610 CN92106610 CN 92106610 CN 92106610 A CN92106610 A CN 92106610A CN 1068131 A CN1068131 A CN 1068131A
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Abstract
The invention discloses a kind of water-thinned iron-red primer and preparation method thereof.Its principal feature be in the chloro-meta-latex emulsion, add homemade in mutually for the Gum Rosin emulsion of liquid state is mixed with composite emulsion, the employing tributyl phosphate as defoamer and with the tripoly phosphate sodium STPP acting in conjunction, improve its rustless property.Foam of the present invention is few, is suitable for dip-coating, and pigment is difficult for the precipitation caking, and is fast light and rustless property is strong, and technology is simple, and is safe in utilization, and it is antirust that product can be widely used in the bottoming and the atmosphere of steel product.
Description
The present invention relates to the emulsion paint technical field.
Shortcomings such as traditional solvent based coating is owing to exist the production cost height, and is seriously polluted and waste energy, thereby world's coatings industry progressively hydrotropismsization development in the last few years.Water-based iron oxide red rust-proofing primer as large usage quantity is also the same with other coating, can be divided into " water-soluble type " and " water emulsion type " two big classes.Both compare, and the latter has more DEVELOPMENT PROSPECT.
At present, the weak point of the water based emulsion priming paint of industrial production is the cost height, the pigment precipitation of easily luming, and foam is many, is unsuitable for dip-coating.For this reason, people are carrying out research in large quantities aspect the new technology of making latex, the new installation, but mostly be that good aspects such as sequestrant are studied changing the monomeric composition of latex, change the kind of emulsifying agent and select performance for use, do not satisfactorily resolve above-mentioned shortcoming.Now retrieve with the most approaching two pieces of Europe patent documentation EP0313314 of the present invention and EP0264655 in disclosed technology, all be to adopt the filmogen of vinylidene chloride latex as rust-inhibiting paint, its technology contents relates generally to the following aspects:
1, with vinylidene chloride as principal monomer, with vinyl acetate between to for plastic, acrylate, vinylchlorid or other monomer effects, make latex different on the performance respectively;
2, improve the performance of latex with nonionogenic tenside, anion surfactant;
3, improve the preparation technology of latex, make it to obtain the little emulsion of latex granularity as far as possible;
4, utilize the rustless property of the sequestering action raising rust-inhibiting paint of Weibull.
The following shortcoming of above-mentioned water based emulsion rust-inhibiting paint ubiquity:
1, pigment easily precipitates caking;
2, foam is many and be difficult to eliminate, and is unsuitable for dip-coating;
3, photostabilization is poor.
The purpose of this invention is to provide a kind of foam few, be suitable for dip-coating, pigment and be difficult for strong water-thinned iron-red primer of precipitation caking and photostabilization and preparation method thereof.
The feature of this water-thinned iron-red primer is to contain by its weight percent meter: vinylchlorid-vinylidene chloride copolymer emulsion (being called for short the chloro-meta-latex emulsion) 18.84～32.68, Gum Rosin 7.56～17.84, varsol 4.07～26.76, dioctyl phthalate (DOP) 0.75～1.78, nonionic emulsifier 0.30～1.84, sodium polymethacrylate 0～0.01, ethylene glycol 0～0.07, tripoly phosphate sodium STPP 0.05～0.15, red iron oxide 4.61～14.61, talcum powder 4.61～14.61, tributyl phosphate 0.15～1.96, surplus is a water.
Above-mentioned Gum Rosin is meant maleficent acid modified rosin glycerol resin, or maleficent acid modified rosin pentaerythritol resin, or rosin glycerol resin, or the rosin pentaerythritol resin; Said nonionic emulsifier is meant the miscellany of OP-10 or OP-10 and OS-15, and the weight percentage of OS-15 is 0～0.44 among the latter; Said varsol is that (wherein OP-10 is alkylphenol and ethylene oxide condensate for rosin or 200# solvent oil; The full name of OS-15 is a peregal os-15, is Fatty Alcohol(C12-C14 and C12-C18) and ethylene oxide condensate, down together).
The feature of the making method of this water-thinned iron-red primer is at ambient temperature
A, dissolving: get 0.4～0.7 part of dioctyl phthalate (DOP) and mix, and under agitation condition, add 4～6.5 parts of Gum Rosins, make Gum Rosin solution (its amount of getting is descended together all by weight) with 3.5～6 parts of varsols;
B, preparation foreign minister material: get 1.3～1.85 parts of nonionic emulsifier, 0～0.02 part of sodium polymethacrylate, 0～0.2 part of ethylene glycol and 8.5～10 parts of water mix, and make foreign minister's material;
C, emulsification: rotating speed greater than 1500 rev/mins emulsifying device in, with 2.9～3.5 parts of above-mentioned Gum Rosin solution slowly join 1 especially mutually the material in, make the Gum Rosin emulsion;
D, preparation mill base: tripoly phosphate sodium STPP is dissolved in 1.5～1.7 parts of water, and adds each 1 part of red iron oxide and talcum powder, the amount of tripoly phosphate sodium STPP accounts for 0.5% of talcum powder and red iron oxide gross weight, makes the mill base of granularity≤50 μ in dispersion grinding equipment;
E, join lacquer: 1 part of vinylchlorid-vinylidene chloride copolymer emulsion and 0.5～3 part of above-mentioned Gum Rosin emulsion are mixed, adding 0.8～2.8 part of above-mentioned mill base then stirs, add the tributyl phosphate that its weight is total lacquer amount 0.2～2% again, mix, be mixed with water-thinned iron-red primer.
In the aforesaid method, the Gum Rosin that dissolution process adds is a maleficent acid modified rosin glycerol resin, or maleficent acid modified rosin pentaerythritol resin, or rosin glycerol resin, or the rosin pentaerythritol resin; Its varsol is rosin or 200# solvent oil; The nonionic emulsifier of being got when the preparation foreign minister expects is the miscellany of OP-10 or OP-10 and OS-15.
Principal feature of the present invention is to add to be mixed with composite emulsion for liquid state and Gum Rosin emulsion with volatile dry performance mutually in homemade in vinylchlorid-vinylidene chloride copolymer emulsion; Adopt tributyl phosphate as defoamer and with the tripoly phosphate sodium STPP acting in conjunction, with being the chemical rust-preventive agent of this water-based iron oxide red rust-proofing primer.
The chloro-meta-latex emulsion that the present invention adopts also has good gloss and closure and sticking power except that cheap, be preparation rust-proofing primer ideal film forming material.But this emulsion viscosity is little, and foam is many and be difficult to elimination, and the lacquer pigment of making easily precipitates caking, and photostabilization is poor.The present invention has solved the above-mentioned deficiency of this emulsion effectively.The present invention allocates in above-mentioned chloro-meta-latex emulsion, and interior viscosity reaches more than 7000 centipoises mutually for the Gum Rosin emulsion of liquid state is the stiff pulpous state, has strengthened the viscosity of chloro-meta-latex emulsion; This Gum Rosin emulsion also has good froth breaking effect, cooperatively interacts with tributyl phosphate, has successfully solved the many problems of chloro-meta-latex emulsion foam; The good dispersing property that this Gum Rosin emulsion is had, the pigment that has solved aqueous priming paint effectively easily precipitates the problem of caking, and has improved pigmenting power and opacifying power; Above-mentioned Gum Rosin emulsion also has good light fastness, thereby has strengthened the photostabilization of chloro-meta-latex emulsion; The composite emulsion that chloro-meta-latex emulsion and Gum Rosin emulsion form is in the volatile dry process, and the Gum Rosin emulsion particle can be filled up the space between the inclined to one side emulsion particle of chloro-, after the common film forming, has improved the closure of paint film; The tributyl phosphate that adds after the pentasodium triphosphate of dispersing agent acting in conjunction, also has good rust inhibition, thereby has strengthened the rustless property of this aqueous priming paint except that having the froth breaking effect.In addition, this aqueous priming paint is in the volatile dry process, between emulsion particle, attract each other assemble, also exist the volatile dry film process of liquid state Gum Rosin particulate simultaneously, thereby make its characteristics, be convenient to various application processes such as spraying, brushing, dip-coating with some solvent-thinned paints.
In sum, the major advantage that has of the present invention can be summarized as follows:
1, foam is few, is applicable to spray, brushes, soaks and other various application processes;
2, pigmenting power and strong covering power are difficult for the precipitation caking;
3, fast light and rustless property is strong;
4, fast drying, short construction period, save energy;
5, the prices of raw and semifnished materials are cheap, and technology is simple, and production cost is low;
6, available tap water dilution is not fired not quick-fried, safe in utilization;
7, overall target meets or exceeds the alkyd iron oxide red primer, is the ideal product that replaces solvent bottom paint;
8, regulate proportioning, can make the aqueous priming paint of different performance characteristics, to meet the different needs.
Below enumerate optimum implementation of the present invention.
Embodiment 1: the water-thinned iron-red primer that present embodiment provides, contain by its weight percent meter: chloro-meta-latex emulsion 20.79, maleficent acid modified rosin glycerol resin 17.84,200# solvent oil 26.76, dioctyl phthalate (DOP) 1.78, OP-10 1.84, red iron oxide 4.61, talcum powder 4.61, tripoly phosphate sodium STPP 0.05, tributyl phosphate 0.20, surplus are water.
The making method of above-mentioned water-thinned iron-red primer is:
A, dissolving: get 0.4 part of dioctyl phthalate (DOP) and mix, add 4 parts of maleficent acid modified rosin glycerol resins while stirring, make it abundant dissolving, make maleficent acid modified rosin glycerol resin solution with 6 parts of 200# solvent oils;
B, preparation foreign minister material: get 1.3 parts of OP-10 and 10 parts of water mix, make foreign minister's material;
C, emulsification: add 1 material mutually especially in greater than 1500 rev/mins emulsifying device at rotating speed, start emulsifying device, slowly add 2.9 parts of maleficent acid modified rosin glycerol resin solution then, make maleficent acid modified rosin glycerol resin emulsion;
D, preparation mill base: get 1.5-1.7 part water, add tripoly phosphate sodium STPP, make its dissolving, add each 1 part of red iron oxide and talcum powder then, the amount of the tripoly phosphate sodium STPP of adding accounts for 0.5% of talcum powder and red iron oxide gross weight.Above-mentioned slurry is ground in ball mill or other dispersion grinding equipment, make the mill base of granularity≤50 μ;
E, join lacquer: get 1 part of chloro-meta-latex emulsion and 3 parts of above-mentioned maleficent acid modified rosin glycerol resin emulsions are mixed, add 0.8 part of mill base that above-mentioned d step makes, stirring mixes it, add its weight again and account for the tributyl phosphate of total lacquer amount 0.2%, continue to stir, do not present spot and get final product to being coated with test piece.Again after filtration and packaging process, the preparation of this water-thinned iron-red primer is promptly accused and is finished at last.
Above steps is all carried out at ambient temperature.
The process flow diagram of present method is as scheming:
The key technical indexes of this water-thinned iron-red primer sees the following form:
Embodiment 2: the water-thinned iron-red primer that present embodiment provides, contain by its weight percent meter: chloro-meta-latex emulsion 32.68, rosin 4.07, rosin glycerol resin 7.56, dioctyl phthalate (DOP) 0.81, OP-10 and OS-15 each 0.30, ethylene glycol 0.07, red iron oxide 13.58, talcum powder 13.58, sodium polymethacrylate 0.01, tributyl phosphate 1.96, tripoly phosphate sodium STPP 0.14, surplus are water.
The preparation method of above-mentioned water-thinned iron-red primer is: get 3.5 parts of rosin, 0.7 part of dioctyl phthalate (DOP) and 6.5 parts of rosin glycerol resins are made rosin glycerol resin solution;
Get 0.02 part of OP-10 and OS-15 each 0.925 part, 0.2 part of ethylene glycol, 10 parts in water, sodium polymethacrylate and make foreign minister's material;
Get above foreign minister and expect that 1 part and rosin glycerol resin solution carry out emulsification for 3.2 parts and makes the rosin glycerol resin emulsion;
Get each 1 part of red iron oxide and talcum powder, 1.5～1.7 parts in water and its weight account for the tripoly phosphate sodium STPP of red iron oxide and talcum powder gross weight 0.5%, make mill base;
Get 1 part of chloro-meta-latex emulsion at last, 1.5 parts of 0.5 part of above rosin glycerol resin emulsion and mill bases add 2% the tributyl phosphate that its weight accounts for total lacquer amount, the preparation cost water-thinned iron-red primer.Other technologies content in the present embodiment is with embodiment 1, and its key technical indexes sees the following form:
Embodiment 3: the water-thinned iron-red primer that present embodiment provides contains by its weight percent meter: chloro-meta-latex emulsion 18.84,200# solvent oil 11.58, maleficent acid modified rosin pentaerythritol resin 9.47, dioctyl phthalate (DOP) 1.19, OP-10 and OS-15 each 0.44, sodium polymethacrylate 0.003, red iron oxide 14.61, talcum powder 14.61, tripoly phosphate sodium STPP 0.15, tributyl phosphate 0.15, ethylene glycol 0.06, surplus is a water.
The preparation method of above-mentioned water-thinned iron-red primer is:
Get 5.5 parts of 200# solvent oils, 0.44 part of dioctyl phthalate (DOP) and maleficent acid modified rosin pentaerythritol resin are made maleficent acid modified rosin pentaerythritol resin solution for 4.5 parts;
Get each 0.75 part of OP-10 and OS-15,0.1 part of ethylene glycol, 0.007 part of sodium polymethacrylate and water and make foreign minister's material for 9.2 parts;
Get above-mentioned foreign minister and expect that 1 part and maleficent acid modified rosin pentaerythritol resin solution carry out emulsification for 3.5 parts, make maleficent acid modified rosin pentaerythritol resin emulsion;
Get each 1 part of red iron oxide and talcum powder, 1.5～1.7 parts in water and its heavy tripoly phosphate sodium STPP that accounts for red iron oxide and talcum powder gross weight 0.5% and make mill base;
Get 1 part of chloro-meta-latex emulsion at last, 1.5 parts of maleficent acid modified rosin pentaerythritol resin emulsions, 2.8 parts of mill bases and its weight account for 0.15% tributyl phosphate of total lacquer amount, add water and regulate lacquer viscosity 15～16 seconds (being coated with-4 glasss) and be made into this water-thinned iron-red primer.
Other technologies content in the present embodiment is with embodiment 1, and its key technical indexes is with embodiment 2.
Embodiment 4: the water-thinned iron-red primer that present embodiment provides, contain by its weight percent meter: chloro-meta-latex emulsion 26.27, rosin 6.76, rosin pentaerythritol resin 8.26, dioctyl phthalate (DOP) 0.75, OP-10 and OS-15 each 0.38, ethylene glycol 0.008, sodium polymethacrylate 0.006, red iron oxide 14.56, talcum powder 14.56, tripoly phosphate sodium STPP 0.15, tributyl phosphate 0.16, surplus are water.
The preparation method of above-mentioned water-thinned iron-red primer is:
Get 4.5 parts in rosin, 0.5 part of dioctyl phthalate (DOP) and rosin pentaerythritol resin and make rosin pentaerythritol resin solution for 5.5 parts;
Get each 0.71 part of OP-10 and OS-15,0.015 part of ethylene glycol, 0.01 part of sodium polymethacrylate and water and make foreign minister's material for 8.5 parts;
Get above-mentioned foreign minister and expect that 1 part and rosin pentaerythritol resin solution carry out emulsification for 3 parts, make rosin pentaerythritol resin emulsion;
Get the tripoly phosphate sodium STPP that red iron oxide and talcum powder each 1 part, 1.5～1.7 parts in water and its weight accounts for red iron oxide and talcum powder gross weight 0.5% and make mill base;
Get the tributyl phosphate that 1 part of chloro-meta-latex emulsion, 0.8 part of rosin pentaerythritol resin emulsion, 2 parts of mill bases and its weight account for total lacquer amount 0.16% at last, add water and regulate lacquer viscosity 15～16 seconds (being coated with-4 glasss), preparation cost water-thinned iron-red primer.
Other technologies content in the present embodiment is with embodiment 1, and its key technical indexes is with embodiment 2.
Claims (8)
1, a kind of water-thinned iron-red primer, it is characterized in that containing: vinylchlorid-vinylidene chloride copolymer emulsion 18.84～32.68 by its weight percent meter, Gum Rosin 7.56～17.84, varsol 4.07～26.76, dioctyl phthalate (DOP) 0.75～1.78, nonionic emulsifier 0.30～1.84, sodium polymethacrylate 0～0.01, ethylene glycol 0～0.07, tripoly phosphate sodium STPP 0.05～0.15, red iron oxide 4.61～14.61, talcum powder 4.61～14.61, tributyl phosphate 0.15～1.96, surplus are water.
2, according to the described water-thinned iron-red primer of claim 1, it is characterized in that said Gum Rosin is a maleficent acid modified rosin glycerol resin, or maleficent acid modified rosin pentaerythritol resin, or rosin glycerol resin, or the rosin pentaerythritol resin.
3, according to claim 1 or 2 described water-thinned iron-red primers, it is characterized in that said nonionic emulsifier is the miscellany of OP-10 or OP-10 and OS-15, the weight percentage of OS-15 is 0～0.44 among the latter.
4,, it is characterized in that said varsol is rosin or 200# solvent oil according to claim 1 or 2 described water-thinned iron-red primers.
5, a kind of making method of water-thinned iron-red primer is characterized in that at ambient temperature:
A, dissolving: get 0.4～0.7 part of dioctyl phthalate (DOP) and mix, and under agitation condition, add 4～6.5 parts of Gum Rosins, make Gum Rosin solution (its amount of getting is descended together all by weight) with 3.5～6 parts of varsols;
B, preparation foreign minister material: get 1.3～1.85 parts of nonionic emulsifier, 0～0.02 part of sodium polymethacrylate, 0～0.2 part of ethylene glycol and 8.5～10 parts of water, mix, make foreign minister's material;
C, emulsification: rotating speed greater than 1500 rev/mins emulsifying device in, with 2.9～3.5 parts of above-mentioned Gum Rosin solution slowly join 1 especially mutually the material in, make the Gum Rosin emulsion;
D, preparation mill base: tripoly phosphate sodium STPP is dissolved in 1.5～1.7 parts of water, and adds each 1 part of red iron oxide and talcum powder, the amount of tripoly phosphate sodium STPP accounts for 0.5% of talcum powder and red iron oxide gross weight, grinds the mill base of making granularity≤50 μ;
E, join lacquer: 1 part of vinylchlorid-vinylidene chloride copolymer emulsion and 0.5～3 part of above-mentioned Gum Rosin emulsion are mixed, add 0.8～2.8 part of above-mentioned mill base then and stir, add tributyl phosphate that its weight accounts for total lacquer amount 0.2～2% again and mix and get final product.
6, according to the making method of the described water-thinned iron-red primer of claim 5, it is characterized in that the Gum Rosin that adds in the dissolution process is meant maleficent acid modified rosin glycerol resin, or maleficent acid modified rosin pentaerythritol resin, or rosin glycerol resin, or the rosin pentaerythritol resin; Its varsol is rosin or 200# solvent oil.
7,, it is characterized in that the nonionic emulsifier of being got is the mixture of OP-10 or OP-10 and OS-15 when the preparation foreign minister expects according to the making method of the described water-thinned iron-red primer of claim 5.
8,, it is characterized in that in lacquer man's skill, adding an amount of water and regulate lacquer viscosity 15-16 second (being coated with-4 glasss) according to the making method of right 5 described water-thinned iron-red primers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106610 CN1031831C (en) | 1992-07-09 | 1992-07-09 | Water-thinned iron-red primer and its prepn. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106610 CN1031831C (en) | 1992-07-09 | 1992-07-09 | Water-thinned iron-red primer and its prepn. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1068131A true CN1068131A (en) | 1993-01-20 |
| CN1031831C CN1031831C (en) | 1996-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92106610 Expired - Fee Related CN1031831C (en) | 1992-07-09 | 1992-07-09 | Water-thinned iron-red primer and its prepn. |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1031831C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074784C (en) * | 1998-01-14 | 2001-11-14 | 张伟栋 | Water antirust undercoat and manufacturing method thereof |
| CN102993345A (en) * | 2011-09-07 | 2013-03-27 | Lg化学株式会社 | Antifoaming agent for vinyl chloride resin slurry |
| CN107974133A (en) * | 2017-12-13 | 2018-05-01 | 佛山市感恩化工有限公司 | Transparent mill base of a kind of net taste and preparation method thereof |
-
1992
- 1992-07-09 CN CN 92106610 patent/CN1031831C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074784C (en) * | 1998-01-14 | 2001-11-14 | 张伟栋 | Water antirust undercoat and manufacturing method thereof |
| CN102993345A (en) * | 2011-09-07 | 2013-03-27 | Lg化学株式会社 | Antifoaming agent for vinyl chloride resin slurry |
| US8791183B2 (en) | 2011-09-07 | 2014-07-29 | Lg Chem, Ltd. | Method for defoaming a vinyl chloride resin slurry |
| CN102993345B (en) * | 2011-09-07 | 2015-07-29 | Lg化学株式会社 | For the defoamer of vinyl chloride resin slurry |
| CN107974133A (en) * | 2017-12-13 | 2018-05-01 | 佛山市感恩化工有限公司 | Transparent mill base of a kind of net taste and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1031831C (en) | 1996-05-22 |
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