CN106833136A - A kind of dispersant and dispersible pigment color paste - Google Patents
A kind of dispersant and dispersible pigment color paste Download PDFInfo
- Publication number
- CN106833136A CN106833136A CN201710073128.4A CN201710073128A CN106833136A CN 106833136 A CN106833136 A CN 106833136A CN 201710073128 A CN201710073128 A CN 201710073128A CN 106833136 A CN106833136 A CN 106833136A
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- China
- Prior art keywords
- dispersant
- color paste
- alkynol
- glycol
- dispersible pigment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
Abstract
A kind of dispersant and dispersible pigment color paste, are related to pigment art.The dispersant that the present invention is provided is by using alkynol compound, especially single alkynol and acetylenic glycols so that the carrying out that each component in dispersible pigment color paste preparation process is capable of steady ordered mixes and keep the inside of long period to separate stable state；By adding in dispersant performance that solvent and emulsifying agent cause dispersant more preferably；Above-mentioned dispersant asepsis environment-protecting and transparent, is adapted to be used in the preparation of fluorescent pigment mill base, and prepared dispersible pigment color paste each component is uniformly dispersed and is capable of the state of stable for extended periods of time.
Description
Technical field
The present invention relates to pigment art, in particular to a kind of dispersant and dispersible pigment color paste.
Background technology
In pigment art, especially fluorescent pigment manufacturing process, because the dyestuff and vector resin involved by it are numerous,
Therefore in order to easy to use, fluorescent pigment can be fabricated to the mill base containing pigment and solvent, and in the preparation process of mill base, be
Make that the various components in system stably mix in order and the inside that to it carries out the long period separates, it will usually manufacturing
Dispersant is added in journey.
At present, the dispersant on being used for dispersible pigment color paste manufacture has 4 points of basic demand：First, in manufacture fluorescence face
During material and mill base, it is desirable to compatible with other compositions good, easily dispersion；Second, the physics and chemical stability of dispersant are good,
During manufacture, storage in fluorescent pigment and mill base, transport and use, in addition to the situation for having particular/special requirement, typically not with
Other components are chemically reacted, and are also not susceptible to the influence of air, moisture, temperature and environmental condition；3rd, dispersant is nothing
Color or light color, do not interfere with fluorescent pigment and mill base form and aspect in itself；4th, consider from the health of operating personnel and environmental protection, point
Powder should be nontoxic or low toxicity.
However, the dispersant for being used in manufacture fluorescent pigment and mill base process at present can not be while meet above-mentioned wanting
Ask.
The content of the invention
It is an object of the invention to provide a kind of dispersant, its colourless, environmental protection, and can be in manufacture fluorescent pigment and mill base
During, do not chemically reacted with other components, and each component in mill base can be made to keep good dispersiveness for a long time.
Another object of the present invention is to provide a kind of dispersible pigment color paste, its favorable dispersibility, long-term storage will not occur face
The aggregation deposition of material.
The present invention solves its technical problem to be realized using following technical scheme.
The present invention proposes a kind of dispersant, and it includes alkynol compound, and this alkynol compound includes single alkynol and alkynes
At least one in glycol.
The present invention also proposes a kind of dispersible pigment color paste, and it utilizes pigment and above-mentioned dispersant to be obtained.
The dispersant of the embodiment of the present invention and the beneficial effect of dispersible pigment color paste are：By using alkynol compound, especially
It is the dispersant of single alkynol and acetylenic glycols as dispersible pigment color paste so that the carrying out that each component of dispersible pigment color paste is capable of steady ordered is mixed
Merge and keep the inside of long period to separate stable state；Using the dispersible pigment color paste good dispersion of the dispersant, long-term storage will not
Aggregation deposition, is suitably applied field of fluorescent pigment.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below will be in the embodiment of the present invention
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional product that can be obtained by commercially available purchase
Product.
The dispersant and dispersible pigment color paste to the embodiment of the present invention are specifically described below.
A kind of dispersant provided in an embodiment of the present invention, it is mainly used in being used when fluorescent pigment and mill base manufacture.This point
Powder includes the single alkynol and acetylenic glycols in alkynol compound, and the dispersant can be in single alkynol and acetylenic glycols at least
It is a kind of.
It should be noted that dispersant is provided used when fluorescent pigment and mill base are manufactured, mainly due to fluorescent pigment
Involved dyestuff and vector resin are numerous during manufacture, and for easy to use, be many times fabricated to containing pigment and
The mill base of solvent or water, and when mill base is manufactured, to make the various components in system, stably mixing and long period protect in order
The stable state of internal separation is held, therefore must in the fabrication process add dispersant.
Further, the dispersant used when why being manufactured as fluorescent pigment and mill base using alkynol compound,
Mainly due to alkynol water white transparency and asepsis environment-protecting in itself, and on molecular structure containing alkynyl, polar group hydroxyl and
Non-polar group alkyl, and this molecular structure determines the alkynol compound reduction surface tension strong with relaxing
Effect, it may have strong compatibility froth breaking effect, therefore the use of alkynol compound as the dispersant of fluorescence mill base is combination
The result of its physical characteristic, chemical characteristic and molecular structure property comprehensive selection.
Further, above-mentioned alkynol compound also the epoxy product including alkynol, the epoxy of the alkynol
Product includes ethoxylated product and propoxylation products.It should be noted that the epoxy product of alkynol equally has alkynes
Base, polar group hydroxyl and non-polar group alkyl, it can utilize the controllability and excellent compatibility of its own face tension force
The carrying out for making the various components in dispersible pigment color paste system stable in order mixes, and it is interior it is remained in that in longer time
Part from stable state.
In addition, in order to improve the various surface tension constituted between phases in colour paste system, it is allowed to be formed uniform and stable point
Prose style free from parallelism system, above-mentioned dispersant also includes emulsifying agent.It should be noted that emulsifying agent belongs to surface reactive material, it is same in its molecule
When there is hydrophilic group and lipophilic group, it is gathered on oil/water interface, can reduce interfacial tension and needed for reduction forms emulsion
The energy wanted, so as to improve the energy of emulsion, finally causes dispersible pigment color paste system more stable and uniform.Preferably, this implementation
The emulsifying agent that example is provided is any one of APES, Si Pan or tween.It is emphasized that in other implementations
In example, it is not limited in these three emulsifying agents that the present embodiment is introduced, can also be other common emulsifying agents, such as phenethyl
Phenol polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether etc..
Further, above-mentioned dispersant is added with after emulsifying agent, it is necessary to carry out one with the alkynol compound in dispersant
The configuration of certainty ratio can just access the dispersant of stable performance, thus in the dispersant that provides of the present embodiment alkynol compound and
The mass ratio of emulsifying agent is 2-4：1, it is preferable that the mass ratio of alkynol compound and emulsifying agent is 3：1.It should be noted that
The mass values of alkynol compound and emulsifying agent are excessive in dispersant or the too small performance that can influence dispersant, wherein, than
Value is excessive, can cause emulsifying agent the performance that should have not enough fully, and ratio is too small, can cause to be risen in dispersant
Impaired performance of the alkynol compound of Main Function in terms of surface tension controllability and compatibility.
Further, in order that several components of dispersant are preferably compatible, the dispersion of stable performance is quickly configured
Agent, solvent is also included in above-mentioned dispersant, and this solvent is organic solvent or water.Preferably, organic solvent uses butyl acetate.
It should be noted that solvent is added in dispersant does not configure dispersant of good performance efficiently still for convenience, more
It is essential that dispersant can adjust the viscosity of resin therein or grease when mill base is made paints, it is beneficial to pigment each
Mixing between component.
It should be noted that, it is necessary to alkynol compound, molten after adding emulsifying agent and solvent simultaneously to above-mentioned dispersant
The mass ratio of agent and emulsifying agent is controlled, and ensures that dispersant compatibility is good, disperse easy advantage with this.Therefore preferably, this
The mass ratio of alkynol compound, solvent and emulsifying agent in embodiment dispersant is 11-15：2-6：3-7.
The embodiment of the present invention additionally provides a kind of dispersible pigment color paste, and it passes through pigment and above-mentioned dispersant is obtained.Specifically,
It is as obtained by pigment and dispersant are mixed.It should be noted that the pigment for using in above-mentioned dispersible pigment color paste
Predominantly fluorescent pigment, and fluorescent pigment is during fabrication because the dyestuff and vector resin that are related to are more, therefore by addition point
Powder can make each component preferably mixing and the presence of stabilization of fluorescent pigment, and it is poly- that reduction dispersible pigment color paste occurs in storage
Collection deposition.
Feature of the invention and performance are described in further detail with reference to embodiments.
Embodiment 1
The dispersant that the present embodiment is provided, its configuration for being mainly used in general aqueous color paste is used, and it includes the 2 of 10g, 4,
7,9- tetramethyl -5- decine -4,7- glycol, tetramethyl -5- decine -4 of oxiraneization 2,4,7,9- of 55g, the product of 7- glycol
Thing (wherein, 2,4,7,9- tetramethyl -5- decine -4, the mass percent of 7- glycol for 35%), the second two of the ethylene glycol of 9g, 1g
The polyoxethylene octylphenyl phenol ether -10 of alcohol monobutyl ether and 25g.
The present embodiment additionally provides a kind of dispersible pigment color paste, and it is the dispersant by the way that aqueous pigment and the present embodiment are provided
Obtained by being mixed, wherein, stirring is carried out by the way of ultrasonic agitation.
Embodiment 2
The dispersant that the present embodiment is provided, its configuration for being mainly used in general aqueous color paste is used, and it includes the 2 of 10g, 4,
7,9- tetramethyl -5- decine -4,7- glycol, tetramethyl -5- decine -4 of oxiraneization 2,4,7,9- of 55g, the product of 7- glycol
Thing (wherein, 2,4,7,9- tetramethyl -5- decine -4, the mass percent of 7- glycol for 35%), the second of the ethylene glycol of 18g, 2g
The polyoxethylene octylphenyl phenol ether -10 of glycol monobutyl ether and 25g.
Embodiment 3
The dispersant that the present embodiment is provided, its configuration for being mainly used in general aqueous color paste is used, and it includes the 2 of 10g, 4,
7,9- tetramethyl -5- decine -4,7- glycol, tetramethyl -5- decine -4 of oxiraneization 2,4,7,9- of 55g, the product of 7- glycol
Thing (wherein, 2,4,7,9- tetramethyl -5- decine -4, the mass percent of 7- glycol for 35%), the second of the ethylene glycol of 27g, 3g
The polyoxethylene octylphenyl phenol ether -10 of glycol monobutyl ether and 25g.
Embodiment 4
The dispersant that the present embodiment is provided, its configuration for being mainly used in general aqueous color paste is used, and it includes the 2 of 8g, 4,
7,9- tetramethyl -5- decine -4,7- glycol, tetramethyl -5- decine -4 of oxiraneization 2,4,7,9- of 47g, the product of 7- glycol
Thing (wherein, 2,4,7,9- tetramethyl -5- decine -4, the mass percent of 7- glycol for 35%), the second of the ethylene glycol of 18g, 2g
The polyoxethylene octylphenyl phenol ether -10 of glycol monobutyl ether and 15g.
Embodiment 5
The dispersant that the present embodiment is provided, its configuration for being mainly used in general aqueous color paste is used, and it includes the 2 of 12g, 4,
7,9- tetramethyl -5- decine -4,7- glycol, tetramethyl -5- decine -4 of oxiraneization 2,4,7,9- of 63g, the product of 7- glycol
Thing (wherein, 2,4,7,9- tetramethyl -5- decine -4, the mass percent of 7- glycol for 35%), the second of the ethylene glycol of 18g, 2g
The polyoxethylene octylphenyl phenol ether -10 of glycol monobutyl ether and 35g.
Embodiment 6
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescent pigment mill base is used, and it includes 10g
2,4,7,9- tetramethyl -5- decine -4,7- glycol, tetramethyl -5- decine -4 of oxiraneization 2,4,7,9- of 25g, 7- bis-
Alcohol product (wherein, 2,4,7,9- tetramethyl -5- decine -4, the mass percent of 7- glycol for 35%), the oxirane of 10g
Change 2,4,7,9- tetramethyl -5- decine -4,7- glycol product (wherein, 2,4,7,9- tetramethyl -5- decine -4,7- glycol
Mass percent be 80%), the Si Pan -80 of the butyl acetate of the ethylene glycol of 20g, 20g and 15g.
The present embodiment additionally provides a kind of dispersible pigment color paste, and it is mixed by the dispersant of fluorescent pigment and this implementation
Stirring is obtained, wherein, stirring is carried out by the way of ultrasonic agitation.
Embodiment 7
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescein dispersible pigment color paste is used, and it includes
The 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol, the 2 of 5g, 4,7,9- tetramethyl -5- decine -4,7- glycol, 5g
3,5- dimethyl -1- hexin -3- alcohol and 30g Si Pan -80.
Embodiment 8
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescein dispersible pigment color paste is used, and it includes
The 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol, the 2 of 5g, 4,7,9- tetramethyl -5- decine -4,7- glycol, 5g
3,5- dimethyl -1- hexin -3- alcohol and 30g Tween-80.
Embodiment 9
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescein dispersible pigment color paste is used, and it includes
The 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol, the 2 of 5g, 4,7,9- tetramethyl -5- decine -4,7- glycol, 5g
3,5- dimethyl -1- hexin -3- alcohol and 30g polyoxethylene octylphenyl phenol ether -10.
Embodiment 10
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescein dispersible pigment color paste is used, and it includes
The 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol, the 2 of 5g, 4,7,9- tetramethyl -5- decine -4,7- glycol, 5g
3,5- dimethyl -1- hexin -3- alcohol and 30g ethylene glycol.
Embodiment 11
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescein dispersible pigment color paste is used, and it includes
The 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol, the 2 of 5g, 4,7,9- tetramethyl -5- decine -4,7- glycol, 5g
3,5- dimethyl -1- hexin -3- alcohol and 30g ethylene glycol monobutyl ethers.
Embodiment 12
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescein dispersible pigment color paste is used, and it includes
The 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol, the 2 of 5g, 4,7,9- tetramethyl -5- decine -4,7- glycol, 5g
3,5- dimethyl -1- hexin -3- alcohol and 30g water.
Embodiment 13
The dispersant that the present embodiment is provided, its configuration for being mainly used in solvent-borne type fluorescein dispersible pigment color paste is used, and it includes
The 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol, the 2 of 10g, 4,7,9- tetramethyl -5- decine -4,7- glycol and
3, the 5- dimethyl -1- hexin -3- alcohol of 10g.
The present embodiment additionally provides a kind of dispersible pigment color paste, and it is by by fluorescence yellow pigment and the dispersant of this implementation
Stirring is obtained.Wherein, stirring is carried out by the way of ultrasonic agitation.
Embodiment 14
The dispersant that the present embodiment is provided, it includes the 2 of 80g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol and
The 2 of 20g, 4,7,9- tetramethyl -5- decine -4,7- glycol.
Embodiment 15
The dispersant that the present embodiment is provided, it includes the 2 of 100g, 5,8,11- tetramethyl -6- dodecyne -5,8- glycol.
Test example
In order to prove excellent specific property of the dispersant of above-described embodiment 1-15 offers in dispersible pigment color paste preparation process, therefore adopt
With above-described embodiment 1-15 provide dispersant as test example sample, and use the existing dispersant sulfomethylated lignin of in the market
Sour sodium as a comparison case, carries out the configuration of dispersible pigment color paste respectively.
Specifically, in the same circumstances, the face of dispersible pigment color paste in the dissolving jitter time and stipulated time section of pigment is determined
Material deposition conditions, the result for finally giving such as table 1：
The performance of dispersible pigment color paste is prepared in the test example of table 1 using different dispersants
As it can be seen from table 1 in the dispersant of embodiment 1-5, the mass ratio pair of alkynol compound, solvent and emulsifying agent
The dispersed stable state mill base that formed of pigment has certain influence, and when the mass ratio of three is 13：2：When 5 (embodiment 1), dispersion
Agent promotes the dispersed best performance of pigment；Embodiment 6 with the addition of for 2,4,7, the 9- tetramethyl -5- last of the ten Heavenly stems relative to embodiment 1-5
Alkynes -4,7- glycol mass percents tetramethyl -5- decine -4 of oxiraneization 2,4,7,9- higher, the product of 7- glycol,
Optimal effect is shown in whole test example；Embodiment 7-9 adds the dispersion of different emulsifiers composition for alkynol compound
Agent, embodiment 10-12 adds the dispersant that different solvents constitute for alkynol compound, by by embodiment 7-9 it is overall with implement
Example 10-12 is contrasted, it can be found that emulsifying agent and alkynol compound synergy are than solvent and the association of alkynol compound
Same-action performance is more protruded；In addition, by the embodiment 13-15 of only alkynol compound compared with 12 embodiments above
It was found that, simple alkynol compound is weaker by the dispersed ability for forming stable state mill base of pigment, but compared with comparative example for,
Still can in the short period of time by pigment dispersing and dissolving.
In a word, embodiment 1-15 enabled for comparative example, on the whole each component in dispersible pigment color paste compared with
The mixing of steady ordered in short time, and keep prolonged internal separation, it is ensured that stable state mill base does not assemble deposition.
In sum, by using alkynol compound, especially single alkynol and acetylenic glycols are used as face for the embodiment of the present invention
Expect the dispersant of mill base so that the carrying out that each component of dispersible pigment color paste is capable of steady ordered mixes and keep the interior of long period
Part is from stable state；By adding in dispersant performance that solvent and emulsifying agent cause dispersant more preferably；Above-mentioned dispersant is nontoxic
It is environmentally friendly and transparent, it is adapted to be used in the preparation of fluorescent pigment mill base, prepared dispersible pigment color paste each component is uniformly dispersed and energy
The state of enough stable for extended periods of time.
Embodiments described above is a part of embodiment of the invention, rather than whole embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of dispersant, it is characterised in that the dispersant includes alkynol compound, the alkynol compound includes single
At least one in alkynol and acetylenic glycols.
2. dispersant according to claim 1, it is characterised in that the alkynol compound also ethyoxyl including alkynol
Change product.
3. dispersant according to claim 1, it is characterised in that the alkynol compound also propoxyl group including alkynol
Change product.
4. the dispersant according to claim any one of 1-3, it is characterised in that the dispersant also includes emulsifying agent.
5. dispersant according to claim 4, it is characterised in that the emulsifying agent is APES, Si Pan
Or tween.
6. dispersant according to claim 4, it is characterised in that the alkynol compound and institute in the dispersant
The mass ratio for stating emulsifying agent is 3：1.
7. dispersant according to claim 4, it is characterised in that the dispersant also includes solvent, the solvent is to have
Machine solvent or water.
8. dispersant according to claim 7, it is characterised in that the solvent is butyl acetate.
9. dispersant according to claim 7, it is characterised in that the alkynol compound, institute in the dispersant
The mass ratio for stating solvent and the emulsifying agent is 13：4：3.
10. a kind of dispersible pigment color paste, it is characterised in that it utilizes pigment and the dispersant stirring described in claim 1 to be obtained.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710073128.4A CN106833136A (en) | 2017-02-10 | 2017-02-10 | A kind of dispersant and dispersible pigment color paste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710073128.4A CN106833136A (en) | 2017-02-10 | 2017-02-10 | A kind of dispersant and dispersible pigment color paste |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261514A (en) * | 1998-12-25 | 2000-08-02 | 三共株式会社 | Agricultural chemical composition for water surface |
| CN101597446A (en) * | 2008-12-25 | 2009-12-09 | 天津兆阳纳米科技有限公司 | A kind of stable-type yellow nanometer water-type pigment dispersion |
| CN103045020A (en) * | 2013-01-16 | 2013-04-17 | 山西英可奥化工技术有限公司 | Pigment color paste special for black neutral ink and preparation method of paste |
-
2017
- 2017-02-10 CN CN201710073128.4A patent/CN106833136A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261514A (en) * | 1998-12-25 | 2000-08-02 | 三共株式会社 | Agricultural chemical composition for water surface |
| CN101597446A (en) * | 2008-12-25 | 2009-12-09 | 天津兆阳纳米科技有限公司 | A kind of stable-type yellow nanometer water-type pigment dispersion |
| CN103045020A (en) * | 2013-01-16 | 2013-04-17 | 山西英可奥化工技术有限公司 | Pigment color paste special for black neutral ink and preparation method of paste |
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