CN101033346B - Water-based correction fluid - Google Patents
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- CN101033346B CN101033346B CN2006100244567A CN200610024456A CN101033346B CN 101033346 B CN101033346 B CN 101033346B CN 2006100244567 A CN2006100244567 A CN 2006100244567A CN 200610024456 A CN200610024456 A CN 200610024456A CN 101033346 B CN101033346 B CN 101033346B
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Abstract
The invention relates to a kind of water-based tippex, which contains following compositions by weight share: 10~20% of bond 1 that is an emulsion contains natural gum, 0.5~14% of the bond 2 that is an emulsion contains organic silicon and aldehyde-ketone resin, 1.5~6.5% of oxidized bleaching, 19.5~51.5% of titanium dioxide, 20~50% of distilled water, 1.5~5% of (as opposed to the total weight) additional functional additives. Its preparation includes following steps: it respectively prepares the colloidal system of bond 1, the colloidal system of bond 2 and the solution of the oxidized bleaching, and then it mixes above materials, the titanium dioxide and the additional functional additives.
Description
Technical field
The present invention relates to coating composition, particularly relate to water-base correction fluid and preparation method thereof.
Background technology
The solvent of current traditional opaquing fluid is to adopt organic hydrocarbon.Usually adopt toluene, fluorochlorohydrocarbon, cycloalkane to make solvent as the solvent-borne type opaquing fluid, solute effect is an ideal technically, help the synthetic of system, various performances can both reach the use standard, but it exists important disadvantages, that is exactly to give out the strong impulse smell in use, has certain toxicity in the gas, to HUMAN HEALTH and the certain harm of environment structure.Why it in use brings unfavorable factor to the mankind, is the inflammable and explosive danger because it also lies dormant, and has increased the hidden danger of producing and deposit the aspect.
People begin to use water as nonpoisonous and tasteless, the development and application of not having the no quick-fried pure environment-friendly type opaquing fluid of combustion of solvent.What present water-base correction fluid adopted is the emulsion that the composite pigment of a kind of acrylic acid binder or opacifier, emulsifying agent and functional agent etc. form.
Application number is that 200410004800.7 Chinese patent application discloses a kind of aqueous correction fluid, and it is by acrylic ester emulsion 5～40% (by solid), titanium dioxide 30%～80%, and deionized water 5%～50% constitutes.
At the application number of China is that 95194001.5 PCT application discloses a kind of aqueous correction fluids, comprise positively charged ion color spot blocker, opacifier and water, wherein positively charged ion color spot blocker is the emulsion that contains acrylate copolymer, and opacifier is the mixture of titanium dioxide and carclazyte.
Usually opaquing fluid is used on the paper, if the aqueous matrix contact of this water-base correction fluid paper, moisture content is penetrated into paper material inside very naturally, tens minutes ability dryings of minimum also need.Again because the liquid of water-base correction fluid is water-based, and the signature pen of difficult covering and the printing ink of free ink pen also are water-baseds, the liquid of water-base correction fluid is alkaline, and the printing ink of signature pen and free ink pen is tart, pigment is dye-type (the dye-type pigment is dissolved in the acidic liquid usually), owing to all possess the intermiscibility of water, the intensive neutralization reaction can appear after dissolving, the pigment of dye-type is because the composition complexity, and possesses certain activity, very sensitive to air, float to the surface of film after being coated with soon, influence coverage effect.Moreover, present commercially available water-base correction fluid is all unstable, and easily thickening after long-time the placement is difficult for coating, the influence use.
Summary of the invention
The objective of the invention is to solve traditional opaquing fluid owing to adopting organic hydrocarbon to make the toxicity of the organic hydrocarbon solvent that solvent exists and the irritating smell and the environmental pollution problems of distributing.
The present invention also aims to provide a kind of water-base correction fluid, it has improved resistance bleeding and opacifying power, and stability in storage and use properties.
The present invention also aims to provide the preparation method of water-base correction fluid.
Water-base correction fluid of the present invention comprises: (below be weight percentage)
Cohesive body 1 (Sg-71): 10～20%
Cohesive body 2 (EPDS): 0.5～14%
Titanium dioxide: 19.5～51.5%
Distilled water: 20～50%
The oxidized form sanction body that fades: 1.5～6.5%
Add functional agent: 1.5～5% (with respect to above gross weight meters)
Wherein cohesive body 1 is the emulsion that contains natural gum, and cohesive body 2 is the emulsions that contain organosilicon and aldehyde ketone resin.
Functional agent is one or more in dispersion agent, absorption agent, the flow agent, and wherein preferably adopting acrylate is dispersion agent; Preferred employing alcohol ester emulsion is an absorption agent, and it comprises 88.4% C12 high-grade aliphatic ester, 1.5% alkylphenol polyoxyethylene (OP-10), 8% cohesive body 1,2% ethylene glycol, 0.1% tributyl phosphate; Preferred employing emulsification silicon is flow agent.
Cohesive body 1 of the present invention comprises:
Natural gum 12～20%
Ammonium persulphate 0.1～1%
Alkylphenol polyoxyethylene 0.5～6.5%
Distilled water 30.5～69.4%
Butyl acrylate 10～50%
Wherein, natural gum is Sudan Gum-arabic, also available yellow natural gum, sodium alginate etc.Be preferably Sudan Gum-arabic, Sudan Gum-arabic is that glairin acid is transformed into polysaccharide and the long chain polymer that forms generally originates in Arab, Africa, Australia, and its outward appearance is a yellow particle; Relative density is 1.35～1.49; Be insoluble to acid, ash content is less than 0.5%; Mainly be as protective colloid in the present invention.Its preferable amount is 12～20%; Ammonium Persulfate 98.5 is as initiator, and its preferred amount ranges is 0.1～1%; Alkylphenol polyoxyethylene is the nonionic emulsifier of C8-C12.Preferred polyoxyethylene octylphenol ether, its preferable amount is 0.5～6.5%; Butyl acrylate plays the effect that increases cohesive force in the present invention, and its preferable range is 10～50%.
Cohesive body 2 of the present invention comprises:
Organosilicon 10～50%
Aldehyde ketone resin 5～25%
Distilled water 42.3～64.62%
Tributyl phosphate 0.1～0.9%
Alkyl biphenyl sodium disulfonate 0.2～1%
Potassium Persulphate 0.08～0.8%
Wherein, organosilicon can be polysiloxane, halogenated silanes or silanol, silicon ether etc., plays the effect that increases cohesive force in the present invention.If its consumption less than 10%, does not reach the colloidal degree of protection, be easy to generate colloidal solid and assemble, liquid is inhomogeneous, if greater than 50%, then the film of Xing Chenging is sticking excessively, influences rate of drying; The aldehyde ketone resin is meant resol and the composite polymkeric substance of silicone resin.The film that colloid became is played the effect of modification.Its addition does not then reach modified effect as less than 5%, and as greater than 25%, then the film that liquid became is too coarse.Tributyl phosphate plays the plastifying effect, if its addition less than 0.1%, plasticization effect is relatively poor, the film embrittlement that then colloid became, harden, if its addition greater than 0.9%, the film that colloid became is then crossed soft and is clamminess, and influences rate of drying.The alkyl biphenyl sodium disulfonate plays emulsifying effect, and preferred octyl group biphenyl sodium disulfonate is not if its addition less than 0.2%, then reaches emulsifying effectiveness, if its addition greater than 1%, then influences monomeric cohesive force.Potassium Persulphate plays the effect of initiation, and it can be opened monomeric pair of key, and monomer is connected rapidly with emulsifying agent, and its addition then exerts an influence to emulsifying effectiveness less than 0.08%, and molecular weight (molecular weight of emulsion polymkeric substance) is too high.Film-formation result is bad.Its addition is greater than 0.8%, and then level of response is too fast, and decrease in molecular weight can not film forming.
The oxidized form of the present invention carrier that fades comprises:
Sodium peroxide 2～6%
Distilled water 52.82～72.98%
Trolamine 20～40%
S-WAT 1～5%
Disodium ethylene diamine tetraacetate 0.02～0.18%
Wherein, sodium peroxide plays oxygenizement.Its addition does not then reach degree of oxidation less than 2%, and its addition is greater than 6%, and is then influential to the viscosity of aqueous based systems, makes pH value too high, and other materials can be reacted, and liquid is changed, and therefore is preferably 2～6%.Trolamine plays the promotes oxidn effect, and its addition does not then have the effect of promotes oxidn less than 20%, reduces covering power, and its addition then can make degree of oxidation too increase greater than 40%, and whole liquid is changed.S-WAT plays regulating effect to degree of oxidation, and it can make the thermal discharge of sodium peroxide and trolamine reduce, for complex reaction lays the foundation.Its addition does not have regulating effect less than 1%.Its addition can reduce degree of oxidation greater than 5%.Disodium ethylene diamine tetraacetate plays the effect that complexing is decomposed to pigment.Its addition is less than 0.02%, and the dynamics that pigment is decomposed does not reach, the covering that influence is identified the handwriting.Its addition is greater than 0.18%, liquid viscosity is increased and changes.
The used titanium dioxide of the present invention is a rutile-type, is to adopt sulfuric acid process to make.Proportion: 4.4g/cm
3Particle diameter: 45 μ m; TiO
2Content is 99%; Impurities is stable influential to hiding power and liquid, and the material in meeting and the system reacts; Liquid is changed; Preferred amount ranges is 19.5～51.5%, selects for use the viscosity and the hiding power after the film forming of liquid more suitable in this scope.
The preparation method of water-base correction fluid of the present invention comprises the steps:
Prepared cohesive body 1, cohesive body 2, the oxidized form carrier that fades, absorption agent;
Cohesive body 2 adds water and stirs, and adds titanium dioxide and dispersion agent stirs, and obtains colloid;
Add cohesive body 1, absorption agent, stir;
Add other functional agents;
Add the oxidized form carrier, stir.
According to the present invention, the preparation of cohesive body 1 comprises:
A) polyoxyethylene octylphenol ether (OP-10) is added to is warmed to 60 ℃ in the distilled water;
B) add a part of ammonium persulphate and natural gum and butyl acrylate, be warming up to 82 ℃;
C) add remaining ammonium persulphate and natural gum and butyl acrylate;
D) be warming up to 97 ℃;
E) cooling;
F) transfer PH to 8～9.
According to the present invention, the preparation of cohesive body 2 comprises:
A) the alkyl biphenyl sodium disulfonate is added to is warmed to 60 ℃ in the distilled water;
B) add a part of Potassium Persulphate and organosilicon, aldehyde ketone resin and tributyl phosphate, be warming up to 82 ℃;
C) add remaining Potassium Persulphate and organosilicon, aldehyde ketone resin and tributyl phosphate;
D) be warming up to 97 ℃;
E) cooling;
F) regulate PH to 8～9.
In the preparation process according to cohesive body 1 of the present invention, cohesive body 2, adopt ammoniacal liquor to regulate pH value.
According to the present invention, the fade preparation of carrier of oxidized form comprises the steps:
Sodium peroxide and S-WAT are dissolved in the distilled water, dissolve;
Add disodium salt;
Add trolamine.
According to the present invention, the preparation of absorption agent comprises:
Get 88.4% C 12 high-grade aliphatic esters, 1.5% OP-10,2% ethylene glycol;
Cohesive body 1 with 8% adds in C12 high fatty alcohol ester, OP-10 and the ethylene glycol;
Splash into 0.1% tributyl phosphate again, dissolving.
According to the preparation method of water-base correction fluid of the present invention, wherein said colloid is through grinding.
The aqueous based systems material therefor that the present invention forms all is the ep-type material that adopts safety non-toxic, can reach the purpose of safety and environmental protection.The present invention is by adopting oxidation to separate to the dye-type pigment and increasing the titanium dioxide addition, solution has also improved covering power, also handle as (C12) high fatty alcohol ester simultaneously at certain the water-fast material in the system, emulsification by force, thereby improve the absorption of heat, make the moisture rapid evaporation after the film forming, reach quick-drying purpose.To the oxidation separation degree of dye-type color base, make the dye-type pigment by oxidation separation by force, to reach covering power.Also adopted to absorb airborne heat, carried out by force technology such as emulsification for water-fast material, as to the processing of aldehyde ketone resin, C12 high fatty alcohol ester etc.Make cohesive body reach modifying function, rate of drying is improved.Also adopted the oxidation isolation technique, prepared the carrier that fades, made pigment reach the oxidation separation, made pigment molecular lose response capacity, thereby reach coverage effect.
The present invention adopts solvent, cohesive body, pigment, as distilled water, titanium dioxide, absorption agent, dispersion agent, defoamer etc.What form like this is the water-based matrix, and this matrix is to be used on the paper, if common aqueous matrix contact paper, moisture is very natural is penetrated into paper material inside, minimumly also need tens minutes ability dryings, though and water-base correction fluid of the present invention forms is aqueous filming, when contacting paper, moisture just can not be penetrated into paper material inside, does not just moisten paper.This is because two membrane techniquies of two cohesive bodies that the present invention adopts are obturaged water below the main film that is formed by first cohesive body, makes water not enter paper material inside, and moisture is all sealed up for safekeeping on main film.And then come tansition temperature according to the gasification latent heat principle.Pulling when filming by hairbrush to main film, makes airborne heat absorption on the film moisture being forced to property volatilization above main film, thereby reaches quick-drying purpose.
Some functional materials of water-base correction fluid of the present invention is water-fast.Preparation method of the present invention adopts and prepares cohesive body 1 and cohesive body 2 and oxidized form carrier respectively and carry out composite method and technology such as emulsification by force again, makes fusing in system that these functional materialss coordinate very much, makes them can give full play to separately effect.Because the liquid of water-base correction fluid is water-based, and the signature pen of difficult covering and the printing ink of free ink pen also are water-baseds, the liquid of water-base correction fluid is alkaline, and the printing ink of signature pen and free ink pen is tart, pigment is dye-type (the dye-type pigment is dissolved in the acidic liquid usually), owing to all possess the intermiscibility of water, the intensive neutralization reaction can appear after dissolving, the pigment of dye-type is because the composition complexity, and possesses certain activity, very sensitive to air, float to the surface of film after being coated with soon, influence coverage effect.Water-base correction fluid of the present invention adopted the internally plasticized while of colloid, the dye-type pigment is taked the oxidation isolation technique, by the measuring and calculating to combined colors proportion in the pigment, the component that pigment is dark is split into the bottom of paper from the surface of paper, and the component that pigment is shallow is split into the surface of film.Though the surface of film presents the stitching of light color, does not influence on the film and writes, and does not also influence coverage effect.After duplicating machine duplicated, separated light writing did not have and presents on the film.And the writing of writing on the film is very clear, the ink marks of coverage pigment type, as: more remarkable effect such as gel ink pen, ballpoint pen, pen.
It mainly with the distillation water as solvent, makes pigment with high grade titanium dioxide; Polymkeric substance with natural gum is made cohesive body; Environment-friendly type auxiliary agent with trace accesses its required performance.Therefore the water-base correction fluid of being made is nontoxic, smell nature delicate fragrance.Water-base correction fluid is compared with traditional solvent-borne type opaquing fluid in the use and is also occupied absolute predominance.Except that fundamental property was identical, all the other performances also will exceed the solvent-borne type opaquing fluid.The writing fast drying that water-base correction fluid is filmed is smooth, fine and smooth, open and flat, pliable and tough, write on effective, the film of blotting on the strong adhesion, film, film that pulling is smooth and easy, ductility good, the rate of drying of film is fast, be coated with back 50s can write, writing property is good on the film.These are that traditional solvent-borne type opaquing fluid can't be compared.Therefore the performance major part of water-base correction fluid exceeds traditional solvent-borne type opaquing fluid, and it is handy to use.
Embodiment
Below by specific embodiment project of the present invention is elaborated.Yet it should be noted that these just are used for exemplary embodiments of the present invention is described, and do not constitute any limitation of the invention, under the situation that does not deviate from design of the present invention, can have other how equivalent embodiment.And protection scope of the present invention is determined by claims.
First part: the preparation of cohesive body 1.
Composition and proportioning according to embodiment 1-1, embodiment 1-2, embodiment 1-3, embodiment 1-4, embodiment 1-5 in the table 1 prepare cohesive body 1, are called for short Sg-71.
Table 1
| Composition % | Embodiment 1-1 | Embodiment 1-2 | Embodiment 1-3 | Embodiment 1-4 | Embodiment 1-5 |
| Butyl acrylate | 10? | 20? | 30? | 40? | 50? |
| Ammonium persulphate | 0.1? | 0.3? | 0.5? | 0.7? | 1? |
| Polyoxyethylene octylphenol ether | 0.5? | 2? | 3.5? | 5? | 6.5? |
| Distilled water | 69.4? | 59.7? | 50? | 40.3? | 30.5? |
| Sudan Gum-arabic | 20? | 18? | 16? | 14? | 12? |
With polyoxyethylene octylphenol ether (is OP-10, source: chemical plant, Lvshun, Dalian, outward appearance: white wax shape transparent solid, relative density: 1.072, active matter content: 100%, carbon chain lengths is C8～C10, be dissolved in hot water) (power plant provides by Zhabei, Shanghai to join distilled water, water after distillation, removed various salts and other impurity in the former water) in heat to 60 ℃, add ammonium persulphate (source: Tao Pu chemical plant, Shanghai, outward appearance: white crystalline powder, relative density: 1.982, decompose in the time of 120 ℃ and emit oxygen, have strong oxidizing property, soluble in water, ammonium persulphate content is 98%) and Sudan Gum-arabic (source: Guangzhou chemical reagent two factories, molecular weight 22～300,000, relative density 1.3～1.45, solubleness: 50%, in water, be dissolved into slightly acidic toughness transparent liquid gradually, glue content is 85%) amount half, butyl acrylate (source: Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing, outward appearance: colourless transparent liquid, relative density: 0.8998, polymer glass temperature :-56 ℃, can with other monomer copolymerization, content of butyl acrylate 99%) amount half, be warming up to thermopositive reaction and begin.When temperature is elevated to 82 ℃, remaining monomer is added, added in about 2 hours, the control reflux temperature is stable, and monomer adds the back and in 0.5 hour temperature is raised to 97 ℃, after the cooling, transfers PH to 8～9 with ammoniacal liquor.Promptly obtain cohesive body 1-1 of the present invention, cohesive body 1-2, cohesive body 1-3, cohesive body 1-4, cohesive body 1-5.
Second section: the preparation of binding agent 2
According to composition and the formulation binding agent 2 of embodiment 2-1, embodiment 2-2, embodiment 2-3, embodiment 2-4, embodiment 2-5 in the table 2, be called for short EPDS.
Table 2
| Composition % | Embodiment 2-1 | Embodiment 2-2 | Embodiment 2-3 | Embodiment 2-4 | Embodiment 2-5 |
| Organosilicon | 10? | 20? | 30? | 40? | 50? |
| The aldehyde ketone resin | 25? | 20? | 15? | 10? | 5? |
| Distilled water | 64.62? | 59.2? | 53.6? | 48? | 42.3? |
| Tributyl phosphate | 0.1? | 0.3? | 0.5? | 0.7? | 0.9? |
| The alkyl biphenyl sodium disulfonate | 0.2? | 0.4? | 0.6? | 0.8? | 1? |
| Potassium Persulphate | 0.08? | 0.1? | 0.3? | 0.5? | 0.8? |
Wherein, organosilicon (polysiloxane, be silicone resin, polysiloxane level accounts for 70%, contains the organic compound of carbon-silicon key in the molecule, polysiloxane is that multiple silane condensation forms, the source: Shanghai plastics six factories, characteristics: its film water resistance is good, high temperature resistant, ageing-resistant, with other cohesive body excellent bonding performance.); Aldehyde ketone resin (source: Guangzhou China Guangdong company limited, outward appearance: oyster white is thick, molecular weight: 4～80,000, relative density: 0.8～1.2, this product is the polymkeric substance by phenolic aldehyde and silicone resin, composite at this and silicone resin, the film that forms becomes inferior light, and the film surface is write by the hard crisp smooth soft sensation of sending out puckery that becomes, pen and ink are smooth especially, make the blotting effect spy of face good.); Tributyl phosphate (source: Peng Pu chemical plant, Shanghai, relative density: 0.976, boiling point: 289 ℃, make by butanols and phosphoryl chloride, mainly be the pliable and tough of film deliquescing that this cohesive body is become, change with this material, mainly play plastification.); The alkyl biphenyl sodium sulfonate (source: chemical plant, Yunling, Shanghai, relative density: 1.16, outward appearance: light yellow transparent liquid, working substance＞45%, soluble in water, be insoluble to mineral oil and aromatic hydrocarbons, in this prescription, play emulsifying effect.); The Potassium Persulphate source: Jialing Chemical Plant, Chongqing, outward appearance: white is crystalline substance or powder tiltedly, relative density: 2.477, soluble in water, it is acid that the aqueous solution is, and has strong oxidizing property, and potassium superphosphate content is 98%, plays initiation in this prescription.)
It is synthetic to carry out emulsification according to the technology of embodiment 1, and the liquid that draws is exactly cohesive body 2-1 of the present invention, cohesive body 2-2, cohesive body 2-3, cohesive body 2-4, cohesive body 2-5.
Third part: the fade preparation of carrier of oxidized form
Form and the formulation oxidized form carrier that fades according to embodiment 3-1, the embodiment 3-2 of table 3, embodiment 3-3, embodiment 3-4, embodiment 3-5.
Table 3
| Composition % | Embodiment 3-1 | Embodiment 3-2 | Embodiment 3-3 | Embodiment 3-4 | Embodiment 3-5 |
| Sodium peroxide | 2? | 3? | 4? | 5? | 6? |
| Distilled water | 72.98? | 67.94? | 62.9? | 57.86? | 52.82? |
| Trolamine | 20? | 25? | 30? | 35? | 40? |
| S-WAT | 5? | 4? | 3? | 2? | 1? |
| Disodium ethylene diamine tetraacetate | 0.02? | 0.06? | 0.1? | 0.14? | 0.18? |
Wherein, sodium peroxide (source: chemical plant, Dagu, Tianjin, outward appearance: white little bloom end, relative density: 2.805, soluble in water, meet the fierce heat release of water, meet heat and then emit oxygen, sodium peroxide content 〉=95%, available oxygen content 〉=18% is made oxygenant in this prescription.); Trolamine (source: Shanghai synthetic detergent two factories, outward appearance: white transparent thick liquid, relative density: 1.124, boiling point: 335.4 ℃, soluble in water, the aqueous solution is alkalescence, absorb sour gas, trolamine content is 85%, and this prescription plays with it and makes oxidisability keep stable, the effect that improves oxidation effectiveness.); S-WAT (source: Shanghai Dyestuff Chemical Plant, outward appearance: white crystalline powder, soluble in water, the aqueous solution is alkalescence, and the performance that reduces exothermicity is arranged, and this prescription plays regulating effect with this agent to degree of oxidation.); Disodium ethylene diamine tetraacetate (source: Shanghai reagent one factory, outward appearance: little yellow crystal powder, be slightly soluble in water, be dissolved in basic solution, content 90% plays complexing and Decomposition to the dye-type pigment.)。
At first sodium peroxide and S-WAT are dissolved in the distilled water, dissolve the back and add disodium EDTA; Add trolamine again and exothermic phenomenon occurs, promptly obtain oxidized form of the present invention carrier 3-1, oxidized form carrier 3-2, oxidized form carrier 3-3, oxidized form carrier 3-4, the oxidized form carrier 3-5 that fades that fades that fades that fades that fades.
The 4th part: the preparation of water-base correction fluid
The prescription of the embodiment 4-1 of water-base correction fluid, embodiment 4-2, embodiment 4-3, embodiment 4-4, each component of embodiment 4-5 sees Table 4.
Synthesis temperature: 25 ℃ ± 10 ℃
(1) EPDS colloidal dispersion:
Press the formula rate adding distil water in still, add cohesive body 2 again and begin to stir, after mixing, add titanium dioxide (TiO
2) (source: du pont company, rutile-type R-931, characteristics: the hiding power height, be easy to disperse, be suitable for the water-based matrix.) and dispersion agent (the acrylate dispersion agent, the source: the modest chemical company of Shanghai moral, outward appearance: yellow transparent liquid, soluble in water, mainly pigment is played wetting, dissemination.), enter shredder after stirring and grind, reach fineness and (please replenish and reach how many fineness?) after return in the reactor.
(2) Sg-71 colloidal dispersion:
EPDS colloidal dispersion adds cohesive body 1 by prescription after returning in the still, adds the emulsion of absorption agent C12 high fatty alcohol ester simultaneously.Stir and add functional agent again after reaching abundant dissolving.
Wherein absorption agent is that carbon number is 12 high fatty alcohol ester (source: Changfeng Chemical Plant, Shanghai, outward appearance: white transparent liquid, water insoluble, water soluble after treatment in this prescription, this prescription plays with this agent and absorbs heat in the air, promote moisture evaporation, make film reach quick-drying effect.), be called for short C12, it is water insoluble, need do molten water treatment.Get 88.4% C12,1.5% OP-10,2% ethylene glycol; Cohesive body 1 with 8% adds among C12, ethylene glycol and the OP-10, splashes into 0.1% tributyl phosphate again, and the dissolving back adds in the aqueous based systems (2) can reach sufficient dissolving, and can give full play to function own.
Observe under the liquid viscosity stable case, add the oxidized form carrier that fades, fully stir 30min after, promptly obtain pure environmentally-friendly water-based opaquing fluid of the present invention.
Table 4
Cohesive body Sg-71 amount of solid is that 34%～42% cohesive body EPDS amount of solid is 28%～36%.
The 5th part: the performance of the water-base correction fluid that above embodiment obtains and result of use
1) liquid viscosity is 14～16s, qualified (being coated with 4 glasss of viscosity measurement methods).
2) rate of drying: coating thickness (35 ± 5) μ m, write no adhesion after one minute, qualified.
3) hiding power: the film (thickness is not more than 30 μ m) behind the covering stitching, no vestige after duplicating machine duplicates is qualified.
4) film after being coated with can make the dye-type ink marks become light color, and discoloration reaches requirement.
5) sticking power: behind the dried coating film,, press one minute folding line not have with the 500g counterweight and come off to invagination.
6) high temperature resistant 80 ℃ (1 hour) of product and low temperature resistant-20 ℃ of (1 hour) property are qualified.
7) film-formation result: pliable and tough smooth, fluent writing is qualified.
8) liquid odour: smell delicate fragrance is pleasant.
Above opaquing fluid product detects through national light industry stationery sports goods quality supervision and test center, every technical requirements of accord with Q B2655-2004 " opaquing fluid ".
Though the above is at embodiments of the invention, other and further embodiment of the present invention can design not deviating under its base region, and its protection domain is the scope decision by claims.
Claims (15)
1. a water-base correction fluid comprises: by weight percentage
Cohesive body 1 10～20%
Cohesive body 2 0.5～14%
The oxidized form carrier 1.5～6.5% that fades
Titanium dioxide 19.5～51.5%
Distilled water 20～50%
With respect to above component gross weight meter, add functional agent 1.5～5%;
Wherein cohesive body 1 is the emulsion that contains natural gum, and it comprises:
Natural gum 12～20%
Ammonium persulphate 0.1～1%
Alkylphenol polyoxyethylene 0.5～6.5%
Distilled water 30.5～69.4%
Butyl acrylate 10～50%;
Cohesive body 2 is the emulsions that contain organosilicon and aldehyde ketone resin, and it comprises:
Organosilicon 10～50%
Aldehyde ketone resin 5～25%
Distilled water 42.3～64.62%
Tributyl phosphate 0.1～0.9%
Alkyl biphenyl sodium disulfonate 0.2～1%
Potassium Persulphate 0.08～0.8%;
The oxidized form carrier that fades comprises:
Sodium peroxide 2～6%
Distilled water 52.82～72.98%
Trolamine 20～40%
S-WAT 1～5%
Disodium ethylene diamine tetraacetate 0.02～0.18%
More than be weight percentage.
2. water-base correction fluid according to claim 1 is characterized in that described natural gum is a Sudan Gum-arabic.
3. water-base correction fluid according to claim 1 is characterized in that described alkylphenol polyoxyethylene is a polyoxyethylene octylphenol ether.
4. water-base correction fluid according to claim 1 is characterized in that, the described functional agent that adds is selected from dispersion agent, absorption agent, flow agent.
5. water-base correction fluid according to claim 4 is characterized in that described dispersion agent is an acrylate.
6. water-base correction fluid according to claim 4, it is characterized in that, described absorption agent is that carbon number is the solution of 12 high fatty alcohol ester, comprising: 88.4% C12 high fatty alcohol ester, 1.5% alkylphenol polyoxyethylene, 8% cohesive body 1,2% ethylene glycol and 0.1% tributyl phosphate.
7. water-base correction fluid according to claim 4 is characterized in that, described flow agent is an emulsification silicon.
8. water-base correction fluid according to claim 1 is characterized in that, the described functional agent that adds is a C12 high fatty alcohol ester emulsion.
9. the preparation method of the described water-base correction fluid of claim 1 comprises the steps:
A) preparation cohesive body 1 emulsion, cohesive body 2 emulsions, the oxidized form carrier that fades, absorption agent;
B) cohesive body 2 is added water and stir, add titanium dioxide and dispersion agent stirs, obtain colloid;
C) in described colloid, add cohesive body 1 and absorption agent, stir;
D) add other functional agents;
E) add the oxidized form carrier, fully stir,
Wherein a) absorption agent in the step for adding functional agent.
10. method according to claim 9 is characterized in that, the preparation of described cohesive body 1 emulsion comprises the steps:
A) polyoxyethylene octylphenol ether is added to is warmed to 60 ℃ in the distilled water;
B) add a part of ammonium persulphate and natural gum and butyl acrylate, be warming up to 82 ℃;
C) add remaining ammonium persulphate and natural gum and butyl acrylate;
D) be warming up to 97 ℃;
E) cooling;
F) transfer PH to 8～9.
11. method according to claim 9 is characterized in that, the preparation of described cohesive body 2 comprises the steps:
A) the alkyl biphenyl sodium disulfonate is added to is warmed to 60 ℃ in the distilled water;
B) add a part of Potassium Persulphate and organosilicon, aldehyde ketone resin and tributyl phosphate, be warming up to 82 ℃;
C) add remaining organosilicon, aldehyde ketone resin and tributyl phosphate;
D) be warming up to 97 ℃;
E) cooling;
F) regulate PH to 8～9.
12., it is characterized in that described pH value is regulated with ammoniacal liquor according to claim 10 or 11 described methods.
13. method according to claim 9 is characterized in that, the fade preparation of carrier of described oxidized form comprises the steps:
A) sodium peroxide and S-WAT are dissolved in the distilled water, dissolve;
B) add disodium salt;
C) add trolamine.
14. method according to claim 9 is characterized in that, the preparation of described absorption agent comprises:
Get 88.4% C12 high fatty alcohol ester, 1.5% alkylphenol polyoxyethylene, 2% ethylene glycol;
Cohesive body 1 with 8% adds in the mixture of C12 high-grade aliphatic ester, alkylphenol polyoxyethylene and ethylene glycol;
Splash into 0.1% tributyl phosphate again, dissolving.
15. method according to claim 9 is characterized in that, described colloid is through grinding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100244567A CN101033346B (en) | 2006-03-07 | 2006-03-07 | Water-based correction fluid |
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| CN2006100244567A CN101033346B (en) | 2006-03-07 | 2006-03-07 | Water-based correction fluid |
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| CN101033346B true CN101033346B (en) | 2011-04-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775842A (en) * | 2012-07-09 | 2012-11-14 | 启东市中勇机电工具有限公司 | Fragrant correction liquid |
| CN106433286A (en) * | 2016-10-28 | 2017-02-22 | 衡阳市金泰安全生产检测检验有限公司 | Environment-friendly and safe correction fluid |
| CN106634164A (en) * | 2016-12-27 | 2017-05-10 | 陈姝言 | Environment-friendly healthy type correction fluid and preparation method thereof |
| CN115107402A (en) * | 2022-07-27 | 2022-09-27 | 启祥文具包装制品（深圳）有限公司 | Novel water-based refill correction pen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152327A (en) * | 1994-07-08 | 1997-06-18 | 吉莱特公司 | Aqueous correction fluids |
| CN1667057A (en) * | 2004-03-11 | 2005-09-14 | 青岛昌隆文具有限公司 | Aqueous correction fluid |
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- 2006-03-07 CN CN2006100244567A patent/CN101033346B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152327A (en) * | 1994-07-08 | 1997-06-18 | 吉莱特公司 | Aqueous correction fluids |
| CN1667057A (en) * | 2004-03-11 | 2005-09-14 | 青岛昌隆文具有限公司 | Aqueous correction fluid |
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