CN103709833A - Polymer coated inorganic pigment paste for color modulation of production line and preparation method thereof - Google Patents

Polymer coated inorganic pigment paste for color modulation of production line and preparation method thereof Download PDF

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Publication number
CN103709833A
CN103709833A CN201310711210.7A CN201310711210A CN103709833A CN 103709833 A CN103709833 A CN 103709833A CN 201310711210 A CN201310711210 A CN 201310711210A CN 103709833 A CN103709833 A CN 103709833A
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production line
inorganic pigment
polymer overmold
mineral dye
color paste
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CN103709833B (en
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吕仕铭
杜长森
周华
梅成国
付少海
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Changshu Famous Chemical Technology Co., Ltd.
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SUZHOU SHIMING TECHNOLOGY Co Ltd
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Abstract

The invention relates to a polymer coated inorganic pigment paste for color modulation of a production line and a preparation method thereof. The polymer coated inorganic pigment paste for color modulation of the production line comprises the following components by mass percent: 40-60% of polymer coated inorganic pigment concentrated paste including 40-60% of inorganic pigment by mass, 0.5-2% of surface tension modifier, 10-30% of water soluble organic solvent, 0.1-0.5% of defoamer, 0.01-0.05% of antibacterial agent, and the balance of water. The polymer coated inorganic pigment paste for color modulation of the production line provided by the invention has the advantages such as small grain size, good tinting strength and high storage stability; besides, the paste can be stored for a long time without generating obvious chromatic aberration; therefore, the polymer coated inorganic pigment paste is especially applied as a water-based color paste to color modulation of the production line.

Description

Production line is polymer overmold inorganic pigment color paste and preparation method thereof for toning
Technical field
The present invention relates to fine chemical technology field, be specifically related to a kind of production line toning polymer overmold inorganic pigment color paste and preparation method thereof.
Background technology
Coating production line toning integral system is a kind of novel tinting system, and it is by toning software control colour mixer, and cubing mode is directly injected barreled coating by mill base, then through capping, concussion, realizes coating automatic color regulating.The mineral dyes such as cobalt blue, ferric oxide, carbon black have that sun-proof, heat-resisting, weathering resistance, solvent resistance are good, the feature of strong covering power, are the pigment varieties of coating industry large usage quantity, are also the main inorganic coloring materials of coating production line toning integral system.Because the grain diameter of mineral dye and density are large, surface is difficult for absorption dispersing auxiliary, so easily there is granules of pigments particle diameter and become the phenomenons such as large, sedimentation in the aqueous color paste made of mineral dye in storage process, causes tinting strength significantly to reduce.Once and mill base tinting strength reduces, must cause colour mixer toning to occur deviation, cause client to return goods, even coating is scrapped.
Inorganic pigment color paste prepared by general technology is difficult to meet the harsh requirement that there will not be sedimentation, tinting strength to reduce after long-time storage of production line toning use mill base, therefore the inorganic pigment color paste that, Preparation and storage stability is high is the production line gordian technique that integrated tinting material produces of mixing colours.In recent years, more with the research of nano dye mill base about preparing production line toning, but the Basic practice of preparing mill base is all attrition process under dispersion agent is assisted.For example, the Chinese patent that publication number is CN1986660 discloses and with high polymer dispersant, mineral dye has been disperseed to prepare the method for water-base inorganic pigment color paste; Publication number is that the Chinese patent of CN101760085 discloses and adopts dispersion agent directly mineral dye to be processed to prepare the method for inorganic pigment color paste for interior exterior wall latex paint toning; The patent No. is that the United States Patent (USP) of US6489393 and US7268180 discloses the method that the pigment such as titanium white, mica are prepared mill base, and the pigment component that it adopts is except containing oxide compound, not through other modification.But often can there is the phenomenons such as pigment sedimentation that dispersion agent desorption causes, tinting strength reduction in mill base prepared by these techniques, be difficult to use in production line toning in long-time storage process.
Adopt dispersion agent directly mineral dye to be disperseed, exist dispersion agent little at surface of pigments adsorption, the defects such as desorption phenomenon is serious, after long-time storage, very easily because of pigment particles particle diameter in pigment reunion, mill base, become degradation problem under the tinting strength that causes greatly inorganic pigment color paste, and when dispersant concentration is higher, can cause dispersion viscosity excessive, easy to foaming, so also can reduce accuracy and the circulation ratio of production line toning, cause producing the difference that coating occurs batch.
Summary of the invention
In view of this, the present invention aims to provide the high production line of a kind of stability in storage polymer overmold inorganic pigment color paste and preparation method thereof for toning, and this production line toning can meet coating production line with polymer overmold inorganic pigment color paste and mix colours integral system and colour mixer to the storage of mill base used and retention of color requirement.
In order to realize object of the present invention, one aspect of the present invention provides a kind of production line toning to use polymer overmold inorganic pigment color paste, and it comprises following component by mass percentage:
Polymer overmold mineral dye thickened pulp 40-60%, in described polymer overmold mineral dye thickened pulp, the quality accounting of mineral dye is 40-60%;
Surface tension modifier 0.5-2%;
Water-miscible organic solvent 10-30%;
Defoamer 0.1-0.5%;
Antiseptic-germicide 0.01-0.05%;
Surplus is water.
Preferably, described mineral dye is a kind of in carbon black, cobalt blue or ferric oxide.
Preferably, described water-miscible organic solvent comprises n-propyl alcohol, propyl carbinol, ethylene glycol, propylene glycol, BDO, 1, at least one in 6-hexylene glycol, glycol ether, Triethylene glycol, tetraethylene-glycol, glycerol.
Preferably, described surface tension modifier is aniorfic surfactant or nonionic surface active agent, or composite and obtain by both, and described aniorfic surfactant is a kind of in sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, potassium oleate, sodium alkyl naphthalene sulfonate, sodium abietate, described nonionic surface active agent is a kind of of polyoxyethylene alkylphenol condenses, polyoxyethylene fatty alcohol condenses, polyoxyethylene polyols ether fatty acid ester, polyoxyethylene fatty acid ester class tensio-active agent.
Preferably, described defoamer is a kind of in polyethers, polysiloxane-based, organic silicon modified by polyether class.
The present invention provides the preparation method of polymer overmold inorganic pigment color paste of the production line toning described in a kind of above-described embodiment on the other hand, and it comprises the steps:
A) by accounting for low boiling point solvent mass ratio, be that the mineral dye of 40-80% is distributed in low boiling point solvent, add successively and account for silane coupling agent that mineral dye mass ratio is 5-15%, account for the deionized water that silane coupling agent mass ratio is 50-100%, reaction while stirring, obtains initial mineral dye slurry;
B) to adding in described initial mineral dye slurry, account for the polymkeric substance that mineral dye massfraction is 10-40%, on sand mill after grinding distribution, add and account for the deionized water that low boiling point solvent mass ratio is 80-200%, again pH value is adjusted to 8-9, mix, after filtration, obtain polymer overmold mineral dye slurry;
C) described polymer overmold mineral dye slurry is carried out to underpressure distillation, remove low boiling point solvent and part water, the polymer overmold mineral dye thickened pulp that the quality accounting that obtains mineral dye is 40-60%;
D) by described production line toning, by the mass percent of each component in polymer overmold inorganic pigment color paste, in described polymer overmold mineral dye thickened pulp, add described surface tension modifier, water-miscible organic solvent, defoamer, antiseptic-germicide and water, stir, obtain described production line toning polymer overmold inorganic pigment color paste.
Preferably, described silane coupling agent comprises γ-aminopropyl triethoxysilane, 3-(2,3-epoxy the third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, γ-mercaptopropyl trimethoxysilane, N-β-aminoethyl-γ-aminopropyl methyl dimethoxysilane and N-(β-aminoethyl) at least one in-γ-aminopropyltrimethoxysilane.
Preferably, described low boiling point solvent comprises one or both in methyl alcohol, ethanol, Virahol, hexanaphthene, diisopropyl ether, acetone, butanone.
Preferably, described polymkeric substance is the polymkeric substance that contains carboxyl or anhydride functional group in molecular chain.
Preferably, described polymkeric substance is a kind of in styrene-propene acid resin, phenylethylene-maleic anhydride resin, toxilic acid-acrylate copolymer, vinylbenzene-itaconic acid copolymer.
The toning of production line that the embodiment of the present invention provides with polymer overmold inorganic pigment color paste have that particle diameter is little, tinting strength and stability in storage advantages of higher, and this mill base can prolonged storage and do not produce obvious aberration.The toning of this production line can meet coating production line toning integral system and colour mixer to the storage of mill base used and retention of color requirement with polymer overmold inorganic pigment color paste, is particularly suitable for as the production line use mill base of mixing colours.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of production line toning to use polymer overmold inorganic pigment color paste on the one hand, and it comprises following component by mass percentage:
Polymer overmold mineral dye thickened pulp 40-60%, in this polymer overmold mineral dye thickened pulp, the quality accounting of mineral dye is 40-60%;
Surface tension modifier 0.5-2%;
Water-miscible organic solvent 10-30%;
Defoamer 0.1-0.5%;
Antiseptic-germicide 0.01-0.05%;
Surplus is water.
In a preferred embodiment, mineral dye is a kind of in carbon black, cobalt blue or ferric oxide.The mineral dyes such as cobalt blue, ferric oxide, carbon black have that sun-proof, heat-resisting, weathering resistance, solvent resistance are good, the feature of strong covering power.
In a preferred embodiment, water-miscible organic solvent comprises n-propyl alcohol, propyl carbinol, ethylene glycol, propylene glycol, BDO, 1, at least one in 6-hexylene glycol, glycol ether, Triethylene glycol, tetraethylene-glycol, glycerol.These water-miscible organic solvents, by the character of its high boiling point, low melting point, can effectively promote moisturizing and the freeze-thaw stability of polymer overmold inorganic pigment color paste for production line toning.
In a preferred embodiment, surface tension modifier is aniorfic surfactant or nonionic surface active agent, or composite and obtain by both, and aniorfic surfactant is a kind of in sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, potassium oleate, sodium alkyl naphthalene sulfonate, sodium abietate, nonionic surface active agent is a kind of of polyoxyethylene alkylphenol condenses, polyoxyethylene fatty alcohol condenses, polyoxyethylene polyols ether fatty acid ester, polyoxyethylene fatty acid ester class tensio-active agent.Specifically, the commercial nonionic surface active agent product that the present invention can select has: trade name is the polyoxyethylene alkylphenol condenses of OP-7, OP-10 or OP-15, trade name is the polyoxyethylene fatty alcohol condenses of paregal O-10, paregal O-20, peregal O-25 or peregal A-20, trade name is the polyoxyethylene polyols ether fatty acid ester of Tween40, Tween60, Tween65, Tween80, and trade name is the polyoxyethylene fatty acid ester of SG-10, SE-10, OE-15.
In a preferred embodiment, defoamer is a kind of in polyethers, polysiloxane-based, organic silicon modified by polyether class.
It should be noted that, if can guarantee mill base store and use procedure in the antiseptic-germicide that there will not be the mouldy or smelly phenomenon causing because of bacteria breed and meet the restriction of coating industry relevant laws and regulations can apply in the production line toning use polymer overmold inorganic pigment color paste that embodiment provides in the present invention.The preferred organic antibacterial agent of antiseptic-germicide used or natural antibacterial agent, the organic antibacterial agent that can select has the antiseptic-germicides such as vanilla aldehydes, vanillal class, anilid class, imidazoles, thiazoles, isothiazolones derivative, quaternary ammonium salt, biguanides and phenols; Natural antibacterial agent can be selected chitin, mustard, Viscotrol C and horseradish.
The present invention also provides the preparation method of a kind of above-mentioned production line toning with polymer overmold inorganic pigment color paste, and it comprises the steps:
A) by accounting for low boiling point solvent mass ratio, be that the mineral dye of 40-80% is distributed in low boiling point solvent, add successively and account for silane coupling agent that mineral dye mass ratio is 5-15%, account for the deionized water that silane coupling agent mass ratio is 50-100%, reaction while stirring, obtains initial mineral dye slurry;
B) to adding in initial mineral dye slurry, account for the polymkeric substance that mineral dye massfraction is 10-40%, on sand mill after grinding distribution, add and account for the deionized water that low boiling point solvent mass ratio is 80-200%, again pH value is adjusted to 8-9, mix, after filtration, obtain polymer overmold mineral dye slurry;
C) polymer overmold mineral dye slurry is carried out to underpressure distillation, remove low boiling point solvent and part water, the polymer overmold mineral dye thickened pulp that the quality accounting that obtains mineral dye is 40-60%;
D) by above-mentioned production line toning, by the mass percent of each component in polymer overmold inorganic pigment color paste, in polymer overmold mineral dye thickened pulp, add surface tension modifier, water-miscible organic solvent, defoamer, antiseptic-germicide and water, stir, obtain production line toning polymer overmold inorganic pigment color paste.
Particularly, in step a), stirring velocity is 500-1000r/min, and the reaction times is 6-24 hour.In step b), grinding distribution 3-10 time on sand mill, then the pH value that adds pH value conditioning agent adjusting mineral dye to starch is 8-9.In the inside of sand mill, the high shear force being provided by the grinding medium of high degree of agitation can effectively reduce the pigment particle size in pigment slurry and make pigment with small particle size distribution more in slurry.Conventionally, one time process of lapping is difficult to the grinding effect that reaches satisfied, often needs slurry by sand mill grinding distribution 3-10 time.PH value conditioning agent can be a kind of in sodium hydroxide, potassium hydroxide, ammoniacal liquor and trolamine.In step c), general control temperature is at 30-60 ℃, and pressure is at 0.02-0.08Mpa.In step d), can in polymer overmold mineral dye thickened pulp, add successively surface tension modifier, water-miscible organic solvent, defoamer, antiseptic-germicide and water, be uniformly mixed, and after 100-300 order filter-cloth filtering, obtain this production line toning polymer overmold inorganic pigment color paste.
In a preferred embodiment, silane coupling agent comprises γ-aminopropyl triethoxysilane, 3-(2,3-epoxy the third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, γ-mercaptopropyl trimethoxysilane, N-β-aminoethyl-γ-aminopropyl methyl dimethoxysilane and N-(β-aminoethyl) at least one in-γ-aminopropyltrimethoxysilane.Particularly, silane coupling agent general formula can be: Y (CH 2) nsiX 3.In formula, n=0-3(n is integer); X is hydrolysable group, is generally alkoxyl group, as methoxyl group, oxyethyl group, methoxy ethoxy, acetoxyl group, methacryloxypropyl etc.; Y is organo-functional group, as amino, vinyl epoxy group(ing), methacryloxy, mercapto propyl group etc.More specifically, the present invention can select according at least one in the silane coupling agents such as KH-550, the KH-560 of the name of Chinese Academy of Sciences coupling agent naming system, KH-570, KH-580, KH-590, KH-602, KH-792.Because silane coupling agent can play a role well at the temperature of 0-40 ℃, therefore, step a) can operate under normal room temperature, does not need the extra measure of heating.
Low boiling point solvent used can be organic solvent, and the target of its selection is that selected low boiling point solvent can remove to greatest extent in the underpressure distillation of step c) from polymer overmold mineral dye thickened pulp.In a preferred embodiment, low boiling point solvent comprises one or both in methyl alcohol, ethanol, Virahol, hexanaphthene, diisopropyl ether, acetone, butanone.
The polymkeric substance using in step b) must have good solubility energy in selected low boiling point solvent, and solvability in water is poor.In a preferred embodiment, polymkeric substance is the polymkeric substance that contains carboxyl or anhydride functional group in molecular chain.Further preferably, polymkeric substance is a kind of in styrene-propene acid resin, phenylethylene-maleic anhydride resin, toxilic acid-acrylate copolymer, vinylbenzene-itaconic acid copolymer.
The toning of production line that the embodiment of the present invention provides with polymer overmold inorganic pigment color paste have that particle diameter is little, tinting strength and stability in storage advantages of higher, and this mill base can prolonged storage and do not produce obvious aberration.The toning of this production line can meet coating production line toning integral system and colour mixer to the storage of mill base used and retention of color requirement with polymer overmold inorganic pigment color paste, is particularly suitable for as the production line use mill base of mixing colours.
To relatively embody the advantage of polymer overmold inorganic pigment color paste for production line toning that the embodiment of the present invention provides by several embodiment and comparative example below.
Embodiment 1:
In 65 grams of carbon black dispersion to 160 gram acetone, then drip successively 4.5 grams of silane resin acceptor kh-550s, 5 grams of KH-602 and 5 grams of deionized waters, under room temperature, low whipping speed is under 500r/min, to react 6 hours, add again 6.5 grams of styrene-propene acid resins, on use for laboratory miniature sand mill after grinding distribution 3 times, add 128 grams of deionized waters, add again a certain amount of trolamine, stir, the pH value that makes system is 8, after mixing, acetone and the part water in underpressure distillation removal system under 30 ℃ and 0.02MPa pressure again, Styrene And Chloroalkyl Acrylates pitch deposition is coated on the surface of charcoal blacks, finally make 130 grams of polymer overmold charcoal blacks thickened pulp.
To adding successively 3 grams of sodium lauryl sulphate, 20 grams of glycerol and 10 grams of ethylene glycol, 0.15 gram of polysiloxane defoamer, 0.015 gram of isothiazolones derivatives class antiseptic-germicide and 56.9 grams of deionized waters in 60 grams of polymer overmold charcoal blacks thickened pulp, be uniformly mixed, make polymer overmold charcoal blacks mill base.
Embodiment 2:
50 grams of ferric oxide red colorants are distributed in 100 grams of ethanol, then drip successively 5 grams of Silane coupling reagent KH-570s and 4 grams of deionized waters, low whipping speed is under 800r/min, to react 24 hours, add again 5 grams of vinylbenzene-itaconic acid copolymers, stir, on use for laboratory miniature sand mill, after grinding distribution 10 times, add 200 grams of deionized waters and the appropriate 30%NaOH aqueous solution, make system ph value is 8, after mixing, ethanol and the part water in underpressure distillation removal system under 40 ℃ and 0.08MPa pressure, is coated on the surface of ferric oxide red colorant vinylbenzene-itaconic acid copolymer deposition again, makes 77 grams of polymer overmold ferric oxide red colorant thickened pulp.
To adding successively 2 grams of Tween80,10 grams of tetraethylene-glycols, 10 grams of ethylene glycol and 10 grams of propylene glycol, 0.3 gram of polyethers defoamer, 0.03 gram of vanilla aldehydes antiseptic-germicide and 28 grams of deionized waters in 40 grams of waterborne polymeric coated iron oxide red thickened pulp, be uniformly mixed, make polymer overmold ferric oxide red colorant mill base.
Embodiment 3:
60 grams of cobalt blue dyes are distributed in 75 grams of methyl alcohol, then drip successively 3 grams of silane coupling agent KH-560 and 3 grams of deionized waters, low whipping speed is under 1000r/min, to react 24 hours, add again 24 grams of phenylethylene-maleic anhydride resins, on use for laboratory miniature sand mill after grinding distribution 6 times, add 150 grams of deionized waters and a certain amount of 30%KOH aqueous solution, stir, the pH value that makes system is 9, methyl alcohol and the part water in underpressure distillation removal system under 60 ℃ and 0.06MPa pressure again, phenylethylene-maleic anhydride pitch deposition is coated on the surface of cobalt blue dye, make 120 grams of polymer overmold cobalt blue dye thickened pulp.
In 60 grams of polymer overmold cobalt blue dye thickened pulp, add successively 0.5 gram of OP-15,10 grams of propylene glycol, 0.5 gram of organic silicon modified by polyether defoamer, 0.05 gram of imidazoles antiseptic-germicide and 29 grams of deionized waters, be uniformly mixed, make polymer overmold cobalt blue dye mill base.
Embodiment 4:
In the mixed solution of 42 grams of carbon black dispersion to 40 gram hexanaphthenes and 20 grams of Virahols, then drip successively 2.5 grams of silane coupling agent KH-792 and 2 grams of deionized waters, low whipping speed is under 500r/min, to react 18 hours, add again 10 grams of toxilic acid-acrylate resins on use for laboratory miniature sand mill after grinding distribution 8 times, the ammonia soln that adds 100 grams of deionized waters and appropriate 17%, stir, the pH value that makes system is 8, hexanaphthene and part water under 30 ℃ and 0.06MPa pressure in underpressure distillation removal system, toxilic acid-acrylate resin deposition is coated on the surface of charcoal blacks, make polymer overmold charcoal blacks thickened pulp.
In 50 grams of polymer overmold charcoal blacks thickened pulp, add successively 1 gram of paregal O-20,20 grams of ethylene glycol, 0.3 gram of polysiloxane defoamer, 0.03 gram of chitin antibacterial agent and 28.67 grams of deionized waters, be uniformly mixed, make polymer overmold charcoal blacks mill base.
Comparative example 5:
In 65 grams of carbon black dispersion to 160 gram acetone, add 6.5 grams of styrene-propene acid resins, on use for laboratory miniature sand mill after grinding distribution 3 times, add 128 grams of deionized waters, add again a certain amount of trolamine, stir, the pH value that makes system is 8, after mixing, acetone and the part water in underpressure distillation removal system under 30 ℃ and 0.02MPa pressure again, Styrene And Chloroalkyl Acrylates pitch deposition is coated on the surface of charcoal blacks, finally makes 130 grams of polymer overmold charcoal blacks thickened pulp.
To adding successively 3 grams of sodium lauryl sulphate, 20 grams of glycerol and 10 grams of ethylene glycol, 0.15 gram of polysiloxane defoamer, 0.015 gram of isothiazolones derivatives class antiseptic-germicide and 56.9 grams of deionized waters in 60 grams of polymer overmold charcoal blacks thickened pulp, be uniformly mixed, make polymer overmold charcoal blacks mill base for production line toning.
Comparative example 6
In 65 grams of carbon black dispersion to 160 gram acetone, then drip successively 4.5 grams of silane resin acceptor kh-550s, 5 grams of KH-602 and 5 grams of deionized waters, under room temperature, low whipping speed is under 500r/min, to react 6 hours, solvent and water under 30 ℃ and 0.02MPa pressure in underpressure distillation removal system, dry after 12 hours under 60 ℃ and 0.02MPa pressure, obtain the carbon black powder after surface treatment.
After 160 grams of water, 6.5 grams of styrene-propene acid resins and a certain amount of trolamine are mixed, obtain pH value and be 8 mixed solution, carbon black powder after surface treatment is dropped into this mixed solution to be disperseed after 6 hours, this mixed solution of grinding distribution 3 times on use for laboratory miniature sand mill again, and under 30 ℃ and 0.02MPa pressure the part water in underpressure distillation removal system, finally make 130 grams of polymer overmold charcoal blacks thickened pulp.
To adding successively 3 grams of sodium lauryl sulphate, 20 grams of glycerol and 10 grams of ethylene glycol, 0.15 gram of polysiloxane defoamer, 0.015 gram of isothiazolones derivatives class antiseptic-germicide and 56.9 grams of deionized waters in 60 grams of polymer overmold charcoal blacks thickened pulp, be uniformly mixed, make polymer overmold charcoal blacks mill base for production line toning.
Performance test:
According to the complete and normal temperature storage relative color strength variation after 180 days in just preparation of the mill base of the described B method of HG/T3951-2007 Appendix B (instrumental method) test implementation example 1-4 and comparative example 5,6 preparations, it is standard mill base that embodiment 1-4 stores the mill base that the mill base after 180 days take respectively before corresponding storage at 25 ℃, with embodiment 1-4, just prepare complete mill base tinting strength and be respectively 100%, it is 100% that the embodiment 1 of all take before and after comparative example 5,6 normal temperature storage just prepares complete mill base tinting strength, tests the relative color strength of its normal temperature storage after 180 days and changes.Simultaneously, the airtight placement of difference at 25 ℃ of the aqueous color paste of embodiment 1-4 and comparative example 5,6 preparations, after 180 days, is had or not and is occurred that obvious granules of pigments precipitation, flocculation etc. have a strong impact on the situation of stability with the stability in storage of judgement aqueous color paste by visual observations.With size distribution before and after airtight placement at 25 ℃ of the aqueous color pastes of the Zetasizer Nano Zs90 type nano particle size of Britain Ma Erwen Instrument Ltd. and zeta potential instrument test implementation example 1-4 and comparative example 5,6 preparations 180 days, in test result, D50 represents in surveyed particle the minimum grain size that 50% particle can pass through, and with D50, represents median size.Each sample test 3 times, if median size differs and is no more than 10% at every turn, get the mean value of 3 times as median size, if differing, median size surpasses 10%, retest 3 times, the median size of test differs and is no more than 10% at every turn again, gets and again tests the mean value of 3 times as median size, otherwise indicate " cannot Measurement accuracy ".
The result that the aqueous color paste that table 1 is prepared for Application Example 1-4 is tested according to aforesaid method.Wherein, in stability in storage test, " √ " represents that range estimation is without abnormal, and " * " represents that the situations such as obvious granules of pigments precipitation, flocculation appear in range estimation.
Table 1. embodiment 1-4 and comparative example 5,6 are prepared mill base test result
Figure BDA0000442963020000101
Test result by embodiment and comparative example can be found out, the toning of production line that the embodiment of the present invention provides with polymer overmold inorganic pigment color paste have that storage stability is high, particle diameter and tinting strength change less feature, than comparative example 5 and the comparative example 6 of using tradition dispersion, Ginding process to prepare, have a clear superiority in.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a polymer overmold inorganic pigment color paste is used in production line toning, it is characterized in that, by mass percentage, comprises following component:
Polymer overmold mineral dye thickened pulp 40-60%, in described polymer overmold mineral dye thickened pulp, the quality accounting of mineral dye is 40-60%;
Surface tension modifier 0.5-2%;
Water-miscible organic solvent 10-30%;
Defoamer 0.1-0.5%;
Antiseptic-germicide 0.01-0.05%;
Surplus is water.
2. polymer overmold inorganic pigment color paste is used in production line according to claim 1 toning, it is characterized in that, described mineral dye is a kind of in carbon black, cobalt blue or ferric oxide.
3. production line according to claim 1 is mixed colours and is used polymer overmold inorganic pigment color paste, it is characterized in that, described water-miscible organic solvent comprises n-propyl alcohol, propyl carbinol, ethylene glycol, propylene glycol, 1,4-butyleneglycol, 1, at least one in 6-hexylene glycol, glycol ether, Triethylene glycol, tetraethylene-glycol, glycerol.
4. production line according to claim 1 is mixed colours and is used polymer overmold inorganic pigment color paste, it is characterized in that, described surface tension modifier is aniorfic surfactant or nonionic surface active agent, or composite and obtain by both, and described aniorfic surfactant is sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, potassium oleate, sodium alkyl naphthalene sulfonate, a kind of in sodium abietate, described nonionic surface active agent is polyoxyethylene alkylphenol condenses, polyoxyethylene fatty alcohol condenses, polyoxyethylene polyols ether fatty acid ester, polyoxyethylene fatty acid ester class tensio-active agent a kind of.
5. polymer overmold inorganic pigment color paste is used in production line according to claim 1 toning, it is characterized in that, described defoamer is a kind of in polyethers, polysiloxane-based, organic silicon modified by polyether class.
6. according to the production line described in claim 1 to 5 any one, mix colours by the inorganic face of polymer overmold for one kind
The preparation method of material mill base, is characterized in that, comprises the steps:
A) by accounting for low boiling point solvent mass ratio, be that the mineral dye of 40-80% is distributed in low boiling point solvent, add successively and account for silane coupling agent that mineral dye mass ratio is 5-15%, account for the deionized water that silane coupling agent mass ratio is 50-100%, reaction while stirring, obtains initial mineral dye slurry;
B) to adding in described initial mineral dye slurry, account for the polymkeric substance that mineral dye massfraction is 10-40%, on sand mill after grinding distribution, add and account for the deionized water that low boiling point solvent mass ratio is 80-200%, again pH value is adjusted to 8-9, mix, after filtration, obtain polymer overmold mineral dye slurry;
C) described polymer overmold mineral dye slurry is carried out to underpressure distillation, remove low boiling point solvent and part water, the polymer overmold mineral dye thickened pulp that the quality accounting that obtains mineral dye is 40-60%;
D) by described production line toning, by the mass percent of each component in polymer overmold inorganic pigment color paste, in described polymer overmold mineral dye thickened pulp, add described surface tension modifier, water-miscible organic solvent, defoamer, antiseptic-germicide and water, stir, obtain described production line toning polymer overmold inorganic pigment color paste.
7. production line according to claim 6 is mixed colours by the preparation method of polymer overmold inorganic pigment color paste, it is characterized in that, described silane coupling agent comprises γ-aminopropyl triethoxysilane, 3-(2,3-epoxy the third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, γ-mercaptopropyl trimethoxysilane, N-β-aminoethyl-γ-aminopropyl methyl dimethoxysilane and N-(β-aminoethyl) at least one in-γ-aminopropyltrimethoxysilane.
8. production line according to claim 6 is mixed colours by the preparation method of polymer overmold inorganic pigment color paste, it is characterized in that, described low boiling point solvent comprises one or both in methyl alcohol, ethanol, Virahol, hexanaphthene, diisopropyl ether, acetone, butanone.
9. the preparation method with polymer overmold inorganic pigment color paste according to the production line toning described in claim 6 to 9 any one, is characterized in that, described polymkeric substance is the polymkeric substance that contains carboxyl or anhydride functional group in molecular chain.
10. production line according to claim 9 is mixed colours by the preparation method of polymer overmold inorganic pigment color paste, it is characterized in that, described polymkeric substance is a kind of in styrene-propene acid resin, phenylethylene-maleic anhydride resin, toxilic acid-acrylate copolymer, vinylbenzene-itaconic acid copolymer.
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CN113913051A (en) * 2020-07-10 2022-01-11 立邦涂料(中国)有限公司 High-concentration stable water-based environment-friendly ferric oxide color paste for color mixer and preparation method thereof
CN112608080A (en) * 2020-12-08 2021-04-06 广东省福美材料科学技术有限公司 Color active mixed material and preparation method and application thereof
CN113278307A (en) * 2021-04-30 2021-08-20 江苏可奥熙光学材料科技有限公司 Preparation method of strong oxidation resistant pigment for optical lens resin
WO2024041195A1 (en) * 2022-08-22 2024-02-29 立邦涂料(中国)有限公司 Environmentally friendly water-based high-concentration inorganic pigment color paste, and preparation method therefor and use thereof
CN115505289A (en) * 2022-11-04 2022-12-23 佛山市彩贵新型材料有限公司 Black ceramic ink, preparation method and application thereof, and ceramic product

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