CN1287141A - Composite additive for water-thinned latex paint - Google Patents
Composite additive for water-thinned latex paint Download PDFInfo
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- CN1287141A CN1287141A CN 00124444 CN00124444A CN1287141A CN 1287141 A CN1287141 A CN 1287141A CN 00124444 CN00124444 CN 00124444 CN 00124444 A CN00124444 A CN 00124444A CN 1287141 A CN1287141 A CN 1287141A
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Abstract
The composite additive is produced through dissolving leveling agent and precipitation preventing agent into water, heating, adding polyvinyl alcohol, heating reaction, cooling, adding the strengthening agent obtained through the reaction between chlorobutene solution and triethanolamine, reaction through stirring, adding sodium silicate, preservative, defoaming agent and dispersant to required viscosity. It is mixed directly with resin, pigment and stuffing and through dispersion and grinding into latex paint.
Description
The present invention relates to a kind of nontoxic, environment-friendly water-based emulsion paint coating composite assistant, particularly contain the composite assistant of coatings additive(s)s such as novel enhanced agent, flow agent, anti-settling agent.
Different with solvent based coating, water-borne coatings with water as solvent, nontoxic pollution-free, no fire hazard, applied range is one of extremely rising coating variety.
Water-borne coatings comprises water soluble paint and emulsion paint, in the prior art, water-borne coatings particularly emulsion paint generally is to pass through resin, mostly be copolymer resins or hybrid resin, being dispersed in fine resin particle group becomes emulsion and forms in the water, mainly by external phase--water, disperse phase--resin and emulsifying agent are formed; After various synthetic emulsions add subsidiary material such as pigment, protective colloid, softening agent, wetting agent, frostproofer, defoamer, mould inhibitor, promptly obtain emulsion paint through grinding or dispersion treatment.
Improvements over the prior art mainly lay particular emphasis on development of new resin, particularly copolymer resins to improve the quality of coating, adapt to different purposes.As disclosing the crosslinkable polymer composition of a kind of water-based, stable storing among the CN1155566, contain acrylate copolymer component and aqueous dispersion that some contains the carbonyl functional group in the said composition, nitrogenous compound and solubility promoter, pigment, filler, dispersion agent, wetting agent, defoamer, UV light absorber, antioxidant, biocides and stablizer with at least two carbonyl active nitrogen groups are formed.CN1082573 discloses a kind of water soluble imitation glaze coating, comprises the water and milk film forming matter of 70%-93.8%, 5-20% pigment, and the 0.1-1.0% dispersion agent, the 1-8% film coalescence aid, the 0.1-0.5% mould inhibitor, the defoamer of 0-0.5% is tried out in architecture inside and outside decoration.CN1125748 discloses a kind of neoprene latex waterproof paint, with 80-94% weight percent chloroprene rubber and 6-20% polyvinyl alcohol blending and stable flocs unit be base-material, add filler, tensio-active agent, mould inhibitor and an amount of water and obtain waterproof paint.Also have a lot of patents to relate to functional coating, disclose solid strip water multicolor finish and production technique thereof as CN1114970.CN1134442 discloses a kind of water-soluble imitation wall paper phantom coating.
In fact, present most coating existing technologies of manufacturers's employing and existing resin or resin combination prepare water-borne coatings, therefore, how on the basis of existing technology, do not change the composition of resin or resin combination, improving the quality and the over-all properties of coating by the method for adding composite assistant, reduce cost, extend shelf life, is the water-borne coatings problem demanding prompt solution.
The object of the present invention is to provide a kind of toughener of water-borne coatings, it promptly can improve the intensity of paint film, can promote the dispersiveness of material resin and filler again.
Another object of the present invention is to provide a kind of novel flow agent of water-borne coatings, can improve the levelling property of water-borne coatings, makes paint film not have brush mark.
A further object of the present invention is to provide a kind of novel antisettling agent, can improve the stability of coating.
Another purpose of the present invention is to provide a kind of novel aqueous emulsion paint coating composite assistant with excellent comprehensive performance, in the resin or resin combination of existing manufacturing water-borne coatings, add this composite assistant, can simplify the manufacturing process of coating, improve the quality of coating.
Another purpose of the present invention is to provide a kind of preparation method with novel aqueous coating composite assistant of excellent comprehensive performance.
Another purpose of the present invention is to provide a kind of method of using composite assistant to prepare latex coating.
In order to finish above-mentioned task, the technical solution used in the present invention is:
1. toughener
Add trolamine modification chlorobutylene as toughener in composite assistant, it is as follows to prepare the raw materials used prescription of toughener:
Chlorobutylene solution (concentration 4%-10%) 87-93wt%
Ammonium chloride 0.4-0.6wt%
Hydrogen peroxide 3-6wt%
Trolamine 3.5-7wt%
Preparation process is as follows: (concentration 4%-10%) puts into reactor with chlorobutylene solution, is heated to 50-70 ℃, stirs to add ammonium chloride down, reaction 10-30min, the trolamine and the hydrogen peroxide of adding 1/3, reaction 20-40min adds remaining trolamine reaction 20-40min again.
Reaction product is chlorobutylene and the salt of trolamine formation and the oxide compound of chlorobutylene, be a kind of quaternary ammonium salt that promptly contains, contain the macromolecular compound of hydroxyl again, because the asymmetry and the dissimilar polarity of its molecular structure, promptly can improve the intensity of paint film, can improve the stability of emulsion again; Because the regularity of molecular structure is destroyed, and crystallinity is poor, the aqueous solution that obtains does not freeze at-20 ℃ in addition, can significantly improve the resistance to frost of coating.
2. flow agent
Flow agent is the mixture of fragrant Soxylat A 25-7 of octyl group and Natvosol, and is composed as follows:
The fragrant Soxylat A 25-7 4-6% of octyl group
Natvosol 2-3%
Water 91-94%
3. antisettling agent
Antisettling agent mainly is made up of montmorillonite powder, octadecane and Sodium Silicofluoride, and is composed as follows:
Montmorillonite powder 92-96%
Octadecane 2-5%
Sodium Silicofluoride 1-3%
4. defoamer
Defoamer mainly is estersil, tributyl phosphate and ether butyl ester, and the ether butyl ester is the reactant or the mixture of 50% Nonyl pheno base ether and 50%C12 alkanol, and is composed as follows:
Estersil 0.1-0.3%
Tributyl phosphate 15-25%
Ether butyl ester 2-5%
Water 73-80%
5. film coalescence aid
Film coalescence aid is the mixture of a condensed ethandiol butyl ether and dibutyl phthalate, consists of:
One condensed ethandiol butyl ether 15-25%
Dibutyl phthalate 35-45%
Water 35-45%
6. other auxiliary agent is the common agent of prior art, is compound in triazine class such as s-triazine as sanitas; Dispersion agent is the multipolymer of MALEIC ANHYDRIDE and sodium polyphosphate and acrylate, as four sodium-metaphosphates, Sodium hexametaphosphate 99 and sodium polyacrylate.
7. the preparation technology of composite assistant
The preparation technology of composite additive for water-thinned latex paint is: add suitable quantity of water in reactor, stir adding flow agent and antisettling agent down, stir 10-20min, be heated to 35-45 ℃, add an amount of polyvinyl alcohol resin, be warming up to 90-95 ℃ of reaction 20-40min, be cooled to 60-70 ℃, add toughener, add water glass about stirring reaction 5min, reaction adds sanitas, defoamer, film coalescence aid and dispersion agent behind the 5-10min, react to viscosity be the 800-1600 centipoise, obtain composite assistant.
The preparation technology of preferred composite assistant is: add suitable quantity of water in reactor, stir adding flow agent and antisettling agent down, stir 12-18min, be heated to 38-42 ℃, add an amount of polyvinyl alcohol resin, be warming up to 90-95 ℃ of reaction 25-35min, be cooled to 60-70 ℃, add toughener, add water glass about stirring reaction 5min, reaction adds sanitas, defoamer, film coalescence aid and dispersion agent behind the 5-10min, react to viscosity be the 1000-1200 centipoise, obtain composite assistant.
Wherein the consumption of polyvinyl alcohol, water glass and various auxiliary agents is:
Flow agent 0.1-0.3%
Antisettling agent 3.5-4.7%
Toughener 0.7-1.5%
Sanitas 0.02-0.06%
Defoamer 0.007-0.02%
Dispersion agent 0.1-0.3%
Film coalescence aid 0.5-3%
Polyvinyl alcohol 1.0-2.0%
Water glass 1.5-2.0
Water 85-93%
Among the above-mentioned preparation technology, toughener need pass through prepared in reaction, and other auxiliary agent such as flow agent, antisettling agent, defoamer and film coalescence aid also can directly add the reactor reaction according to the prescription consumption.8. the preparation of emulsion paint
Adopt composite assistant of the present invention, can directly add resin, pigment and filler according to prescription, through high speed dispersor disperse or sand mill be ground to the fineness of palpus, promptly obtain emulsion paint, need not add other any auxiliary agents in addition.
Composite assistant of the present invention is applicable to vinyl acetate between to for plastic class emulsion paint, vinyl acetate between to for plastic copolymerization class emulsion paint; Esters of acrylic acid emulsion paint, butylbenzene class emulsion paint and suitable other emulsion paints of the present invention.
Adopt the prescription of the emulsion paint of composite assistant of the present invention to be:
Concentration is the resin emulsion 20-35% of 35-45%
Filler and pigment 25-35%
Composite assistant 35-45%
Adopt the composite additive for water-thinned latex paint of above-mentioned prescription and prepared, simplified the production technique of coating, improved coating quality, the good leveling property of product, strong covering power does not precipitate, not stratified, and period of storage is long, and production cost reduces.
Describe the present invention in detail below in conjunction with embodiment.
Embodiment one
With 87kg concentration is that 6% chlorobutylene solution is put into reactor, is heated to 50 ℃, stirs to add 0.6kg ammonium chloride down, reaction 15min, trolamine and the 5.4kg hydrogen peroxide of adding 2.3kg, reaction 25min, add the trolamine reaction 25min of 4.6kg again, agent 1 is enhanced.
Embodiment two
With 90kg concentration is that 6% chlorobutylene solution is put into reactor, is heated to 60 ℃, stirs to add 0.5kg ammonium chloride down, reaction 20min, trolamine and the 4kg hydrogen peroxide of adding 1.7kg, reaction 30min, add the trolamine reaction 35min of 3.4kg again, agent 1 is enhanced.
Embodiment three
With 93kg concentration is that 6% chlorobutylene solution is put into reactor, is heated to 65 ℃, stirs to add 0.4kg ammonium chloride down, reaction 25min, trolamine and the 3kg hydrogen peroxide of adding 1.1kg, reaction 30min, add the trolamine reaction 30min of 2.2kg again, agent 3 is enhanced.
Embodiment four
To 4kg concentration is in the fragrant polyoxyethylene ethereal solution of 5% octyl group, adds the 3kg Natvosol, is stirred to evenly, obtains flow agent 1.
To 5kg concentration is in the fragrant polyoxyethylene ethereal solution of 5% octyl group, adds the 2.5kg Natvosol, is stirred to evenly, obtains flow agent 2.
To 6kg concentration is in the fragrant polyoxyethylene ethereal solution of 5% octyl group, adds the 2kg Natvosol, is stirred to evenly, obtains flow agent 3.
Embodiment five
With 92kg montmorillonite powder and 5kg octadecane and 3kg Sodium Silicofluoride mixing stirring, obtain antisettling agent 1.
With 94kg montmorillonite powder and 3kg octadecane and 2kg Sodium Silicofluoride mixing stirring, obtain antisettling agent 2.
With 96kg montmorillonite powder and 2kg octadecane and 1kg Sodium Silicofluoride mixing stirring, obtain antisettling agent 3.
Embodiment six
With 0.1kg estersil, 15kg tributyl phosphate, 5kg ether butyl ester and 79.9kg water mixed dissolution, obtain defoamer 1.
With 0.2kg estersil, 20kg tributyl phosphate, 2.5kg ether butyl ester and 77.3kg water mixed dissolution, obtain defoamer 2.
With 0.3kg estersil, 25kg tributyl phosphate, 2kg ether butyl ester and 72.7kg water mixed dissolution, obtain defoamer 3.
Embodiment seven
15kg one condensed ethandiol butyl ether, 45kg dibutyl phthalate and 40kg water are added container mix, get film coalescence aid 1.
20kg one condensed ethandiol butyl ether, 40kg dibutyl phthalate and 40kg water are added container mix, get film coalescence aid 2.
25kg one condensed ethandiol butyl ether, 35kg dibutyl phthalate and 40kg water are added container mix, get film coalescence aid 3.
Embodiment eight
In reactor, add 91kg water, stir adding 0.1kg flow agent 1 and 3.5kg antisettling agent 3 down, stir 20min, be heated to 35 ℃, add the 1kg polyvinyl alcohol resin, be warming up to 90 ℃ of reaction 30min, be cooled to 60 ℃, add 1.5kg toughener 2, stirring reaction 5min adds the 2.0kg water glass, add 0.02kg sanitas, 0.02kg defoamer, 2kg film coalescence aid and 0.3kg dispersion agent behind the reaction 10min, react to viscosity be 800 centipoises, obtain auxiliary agent base-material 1.
Embodiment nine
In reactor, add 91kg water, stir adding 0.3kg flow agent 2 and 4.0kg antisettling agent 1 down, stir 30min, be heated to 40 ℃, add the 1.5kg polyvinyl alcohol resin, be warming up to 93 ℃ of reaction 40min, be cooled to 70 ℃, add 1.0kg toughener 3, stirring reaction 8min adds the 1.5kg water glass, add 0.06kg sanitas, 0.01kg defoamer, 3kg film coalescence aid and 0.2kg dispersion agent behind the reaction 5min, react to viscosity be 1600 centipoises, obtain auxiliary agent base-material 2.
Embodiment ten
In reactor, add 90kg water, stir adding 0.2kg flow agent 3 and 4.7kg antisettling agent 2 down, stir 25min, be heated to 45 ℃, add the 2.0kg polyvinyl alcohol resin, be warming up to 95 ℃ of reaction 20min, be cooled to 65 ℃, add 0.7kg toughener 1, stirring reaction 8min adds the 1.8kg water glass, add 0.04kg sanitas, 0.007kg defoamer, 0.5kg film coalescence aid and 0.1kg dispersion agent behind the reaction 9min, react to viscosity be 1200 centipoises, obtain composite assistant 3.
Embodiment 11
In container, add 300kg acrylate copolymer emulsion (concentration 42%), 100kg lime carbonate, 50kg titanium dioxide .100kg talcum powder, 50kg barium sulfate and 400kg composite assistant, be ground to desired particle size through high speed dispersor dispersion or sand mill, obtain emulsion paint, performance sees Table 1.
Embodiment 12
In container, add 250kg acetate copolymer emulsion (concentration 42%), 150kg lime carbonate, 50kg titanium dioxide .100kg talcum powder, 50kg barium sulfate and 400kg composite assistant, be ground to desired particle size through high speed dispersor dispersion or sand mill, obtain emulsion paint, performance sees Table 1.
Embodiment 13
In container, add 350kg styrene-butadiene emulsion (concentration 42%), 100kg lime carbonate, 30kg titanium dioxide 100kg talcum powder, 50kg barium sulfate and 350kg composite assistant, be ground to desired particle size through high speed dispersor dispersion or sand mill, obtain emulsion paint, performance sees Table 1, gives the standard value of GB/T9755-1995 exterior wall coating material of synthetic resin emulsion performance in the table 1.
Table 1
Embodiment 14
According to the method and the prescription of the common water-soluble interior wall coating of preparation, but replace original various auxiliary agents with composite assistant in the prescription, the performance of the water-soluble interior wall coating that obtains sees Table 2.Provided the standard value of JC/T423-91 in the table 2 simultaneously.
Table 2
Claims (6)
1. nontoxic, pollution-free composite additive for water-thinned latex paint, it is as follows to it is characterized in that filling a prescription:
Flow agent 0.1-0.3%
Antisettling agent 3.5-4.7%
Toughener 0.7-1.5%
Sanitas 0.02-0.06%
Defoamer 0.007-0.02%
Dispersion agent 0.1-0.3%
Film coalescence aid 0.5-3%
Polyvinyl alcohol 1.0-2.0%
Water glass 1.5-2.0
Water 85-93% wherein flow agent is:
The fragrant Soxylat A 25-7 4-6% of octyl group
Natvosol 2-3%
Water 91-94% antisettling agent is:
Montmorillonite powder 92-96%
Octadecane 2-5%
Sodium Silicofluoride 1-3% defoamer is:
Estersil 0.1-0.3%
Tributyl phosphate 15-25%
Ether butyl ester 2-5%
Water 73-80% film coalescence aid is:
One condensed ethandiol butyl ether 15-25%
Dibutyl phthalate 35-45%
Water 35-45% toughener is:
Chlorobutylene solution (concentration 4%-10%) 87-93wt%
Ammonium chloride 0.4-0.6wt%
Hydrogen peroxide 3-6wt%
Trolamine 3.5-7wt%
The preparation process of toughener is as follows: (concentration 4%-10%) puts into reactor with chlorobutylene solution, be heated to 50-70 ℃, stir and add ammonium chloride down, reaction 10-30min, the trolamine and the hydrogen peroxide of adding 1/3, reaction 20-40min,, add remaining trolamine reaction 20-40min again.
One kind nontoxic, the preparation method of pollution-free composite additive for water-thinned latex paint, the preparation technology who it is characterized in that composite additive for water-thinned latex paint is: add suitable quantity of water in reactor, stir and add flow agent and antisettling agent down, stir 10-20min, be heated to 35-45 ℃, add an amount of polyvinyl alcohol resin, be warming up to 90-95 ℃ of reaction 20-40min, be cooled to 60-70 ℃, add toughener, add water glass about stirring reaction 5min, add sanitas behind the reaction 5-10min, defoamer, film coalescence aid and dispersion agent, react to viscosity be the 800-1600 centipoise, obtain composite assistant.
3. preparation method according to claim 2, the preparation technology who it is characterized in that preferred composite assistant is: add suitable quantity of water in reactor, stir and add flow agent and antisettling agent down, stir 12-18min, be heated to 38-42 ℃, add an amount of polyvinyl alcohol resin, be warming up to 90-95 ℃ of reaction 25-35min, be cooled to 60-70 ℃, add toughener, add water glass about stirring reaction 5min, add sanitas, defoamer, film coalescence aid and dispersion agent behind the reaction 5-10min, react to viscosity be the 1000-1200 centipoise, obtain composite assistant.
4. preparation method according to claim 2 is characterized in that toughener need pass through prepared in reaction, and other auxiliary agent such as flow agent, antisettling agent, defoamer and film coalescence aid also can directly add the reactor reaction according to the prescription consumption.
5. nontoxic, a pollution-free composite additive for water-thinned latex paint is used to prepare emulsion paint coating, it is characterized in that the prescription of emulsion paint is:
Concentration is the resin emulsion 20-35% of 35-45%
Filler and pigment 25-35%
Composite assistant 35-45%.
6. according to the purposes of the described composite assistant of claim 5, it is characterized in that described composite assistant, can directly add resin, pigment and filler according to prescription, through high speed dispersor disperse or sand mill be ground to the fineness of palpus, promptly obtain emulsion paint, need not add other any auxiliary agents in addition.
Composite assistant of the present invention is applicable to vinyl acetate between to for plastic class emulsion paint, vinyl acetate between to for plastic copolymerization class emulsion paint; Esters of acrylic acid emulsion paint, butylbenzene class emulsion paint and suitable other emulsion paints of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001244442A CN1152099C (en) | 1999-09-07 | 2000-09-06 | Composite additive for water-thinned latex paint |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN991189965 | 1999-09-07 | ||
| CN99118996.5 | 1999-09-07 | ||
| CN99118996 | 1999-09-07 | ||
| CNB001244442A CN1152099C (en) | 1999-09-07 | 2000-09-06 | Composite additive for water-thinned latex paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1287141A true CN1287141A (en) | 2001-03-14 |
| CN1152099C CN1152099C (en) | 2004-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001244442A Expired - Fee Related CN1152099C (en) | 1999-09-07 | 2000-09-06 | Composite additive for water-thinned latex paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1152099C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602227A (en) * | 2013-11-19 | 2014-02-26 | 青岛广联达精密机械有限公司 | Durable waterproof coating |
| CN105086552A (en) * | 2015-09-01 | 2015-11-25 | 天长市开林化工有限公司 | Novel multifunctional full-efficiency emulsion paint and preparation method thereof |
-
2000
- 2000-09-06 CN CNB001244442A patent/CN1152099C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602227A (en) * | 2013-11-19 | 2014-02-26 | 青岛广联达精密机械有限公司 | Durable waterproof coating |
| CN103602227B (en) * | 2013-11-19 | 2016-03-23 | 青岛祥嘉知识产权服务有限公司 | A kind of durable waterproof paint |
| CN105086552A (en) * | 2015-09-01 | 2015-11-25 | 天长市开林化工有限公司 | Novel multifunctional full-efficiency emulsion paint and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1152099C (en) | 2004-06-02 |
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