CN110835471A - Preparation method of low-volatility organic solvent for grinding pigment - Google Patents
Preparation method of low-volatility organic solvent for grinding pigment Download PDFInfo
- Publication number
- CN110835471A CN110835471A CN201911144834.9A CN201911144834A CN110835471A CN 110835471 A CN110835471 A CN 110835471A CN 201911144834 A CN201911144834 A CN 201911144834A CN 110835471 A CN110835471 A CN 110835471A
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- Prior art keywords
- component
- organic solvent
- dimethylformamide
- low
- preparing
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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
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0001—Post-treatment of organic pigments or dyes
- C09B67/0014—Influencing the physical properties by treatment with a liquid, e.g. solvents
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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
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0001—Post-treatment of organic pigments or dyes
- C09B67/002—Influencing the physical properties by treatment with an amine
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0001—Post-treatment of organic pigments or dyes
- C09B67/0022—Wet grinding of pigments
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a preparation method of a low-volatility organic solvent for grinding pigment, which comprises the following steps: (1) preparing a component A, a component B, N, N-dimethylformamide and water; wherein the component A comprises a micromolecular alcohol compound, and the weight portion is 10-70 wt%; the component B comprises 1-15 wt% of nonionic surfactant; 1-10 wt% of N, N-dimethylformamide; the balance of the water in parts by weight; (2) and (3) putting the component A, the component B, N, N-dimethylformamide and water into a container, mixing, standing, and finishing the preparation if the mixture is clear non-layering liquid after standing. The technical scheme reduces the negative effects of solvent volatile gas on the environment and human health on the premise of keeping the same effects of soaking the surface of the pigment, softening resin and lubricating the surface of the mixing roller.
Description
Technical Field
The invention relates to the field of pigments, in particular to a preparation method of a low-volatility organic solvent for grinding pigments.
Background
In the traditional pre-dispersion pigment grinding process, a large amount of organic solvent is required to be added to soak the surface of the pigment, soften resin and lubricate the surface of a mixing roller so that the materials can be smoothly mixed. The key attribute in which organic solvents work here is their low surface tension. The lower surface tension can enable the organic solvent to rapidly and effectively infiltrate the molecular surfaces of the pigment and the resin, reduce the intermolecular force between the pigment and the resin, reduce the energy required by dispersion, and simultaneously, the fully infiltrated pigment and the resin are easier to be uniformly mixed and adhered into blocks, thereby being convenient for being ground by a roller machine.
However, the organic solvent itself is not a required ingredient for predispersing the finished pigment. In a general grinding process, the added organic solvent is treated by heating a roll mill to volatilize the organic solvent into the atmosphere. Even if an air extractor is used to collect the volatilized organic solvent vapor, the lost part can cause harm to the environment and operators.
Disclosure of Invention
In order to overcome the above-mentioned disadvantages of the prior art, the present invention aims to provide a method for preparing a low-volatile organic solvent for grinding pigments, which aims to provide a pigment grinding solvent with less harm to the environment and human health.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for preparing a low volatile organic solvent for grinding pigments, comprising the steps of:
(1) preparing a component A, a component B, N, N-dimethylformamide and water;
wherein the component A comprises a micromolecular alcohol compound, and the weight portion is 10-70 wt%;
the component B comprises 1-15 wt% of nonionic surfactant;
1-10 wt% of N, N-dimethylformamide;
the balance of the water in parts by weight;
(2) and (3) putting the component A, the component B, N, N-dimethylformamide and water into a container, mixing, standing, and finishing the preparation if the mixture is clear non-layering liquid after standing.
Preferably, the weight part of the component A in the step (1) is 15-50 wt%, the weight part of the component B is 5-10 wt%, and the weight part of the N, N-dimethylformamide is 1-5 wt%.
Preferably, the weight part of the component A in the step (1) is 30-35 wt%, the weight part of the component B is 7-8 wt%, and the weight part of the N, N-dimethylformamide is 2-4 wt%.
Preferably, the small molecule alcohol compound of component a comprises one or more of the following components: ethanol, propylene glycol, glycerol, isopropanol.
Preferably, the non-ionic surfactant of component B comprises one or more of the following: lauric acid citrate, EO/PO block polyether, glutamic acid laurate, span 40, span 60, span 80, C12-C18 fatty alcohol polyoxyethylene (10) ether, C12-C18 fatty alcohol polyoxyethylene (20) ether, C12-C18 fatty alcohol polyoxyethylene (25) ether, polyoxyethylene (60) sorbitan monostearate and an emulsifier EL-20.
Preferably, the component A in the step 1 further comprises 0.1-0.5 wt% of bacteriostatic agent.
Further preferably, the small molecular alcohol compound of the component A is ethanol, and the weight portion is 35 wt%; the nonionic surfactant of the component B is 8 wt% of lauric acid citrate, 3 wt% of N, N-dimethylformamide and the balance of water.
Preferably, the mixture obtained by the preparation method is used as a lubricating dispersant in the technical field of pigment grinding.
Compared with the prior art, the invention has the beneficial effects that:
on the premise of keeping the same effects of soaking the surface of the pigment, softening the resin and lubricating the surface of the mixing roller, the negative effects of solvent volatile gas on the environment and human health are reduced.
Detailed Description
The invention will now be further illustrated with reference to the following examples:
example 1
A method for preparing a low-volatile organic solvent for grinding a pigment, which is suitable for a vending machine using a movable power source 1 to drive a plurality of channels 4, the vending machine being provided with a plurality of basic channels 3 on a horizontal layer plate 2 at equal intervals, and a plurality of channels 4 parallel to each other on the basic channels 3;
the method comprises the following steps:
the method comprises the following steps:
(1) preparing a component A, a component B, N, N-dimethylformamide and water;
wherein the component A comprises a micromolecular alcohol compound, preferably ethanol, 30-35 wt% of the component A and 0.1-0.5 wt% of bacteriostatic agent;
the component B comprises nonionic surfactant, preferably lauric acid citrate, and 8 wt% of the component B;
3 wt% of N, N-dimethylformamide;
the balance of the water in parts by weight;
(2) and (3) putting the component A, the component B, N, N-dimethylformamide and water into a container, mixing, standing, and finishing the preparation if the mixture is clear non-layering liquid after standing.
The working principle of the embodiment is as follows:
the prepared mixture is used in the traditional pre-dispersion pigment grinding process, and has the effects of wetting the surface of the pigment, softening resin and lubricating the surface of a mixing roller so that the material can be smoothly mixed. The technical scheme of this embodiment is through adjusting the proportion of micromolecular alcohol, N, N dimethylformamide, nonionic surfactant and water, reduces mixed solvent's surface tension by a wide margin, guarantees to reach the molecular surface of quick, effectual infiltration pigment and resin, reduces pigment and resin intermolecular force, reduces the required energy of dispersion, makes pigment and resin change the misce bene and cohere into the piece, the convenient effect of grinding through the roller machine. On the other hand, in a general grinding process, a process of heating a roller to volatilize non-pigment components is adopted, all components of the mixture obtained in the embodiment are low-toxicity and environment-friendly materials, and even if the mixture is heated to volatilize, generated gas can not have serious negative effects on the environment and the physical health of workers like the existing organic solvents such as toluene and xylene.
In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.
Claims (7)
1. A preparation method of a low-volatility organic solvent for grinding pigment is characterized by comprising the following steps:
(1) preparing a component A, a component B, N, N-dimethylformamide and water;
wherein the component A comprises a micromolecular alcohol compound, and the weight portion is 10-70 wt%;
the component B comprises 1-15 wt% of nonionic surfactant;
1-10 wt% of N, N-dimethylformamide;
the balance of the water in parts by weight;
(2) and (3) putting the component A, the component B, N, N-dimethylformamide and water into a container, mixing, standing, and finishing the preparation if the mixture is clear non-layering liquid after standing.
2. The method for preparing a low-volatile organic solvent for milling pigments according to claim 1, wherein:
15-50 wt% of the component A, 5-10 wt% of the component B and 1-5 wt% of N, N-dimethylformamide in the step (1).
3. A method of preparing a low volatile organic solvent for milling pigments according to claim 2, characterized in that:
the weight parts of the component A in the step (1) are 30-35 wt%, the weight parts of the component B are 7-8 wt%, and the weight parts of the N, N-dimethylformamide are 2-4 wt%.
4. A method for preparing a low volatile organic solvent for milling pigments according to any one of claims 1 to 3, characterized in that: the small molecular alcohol compound of the component A comprises one or more of the following components: ethanol, propylene glycol, glycerol, isopropanol.
5. The method for preparing a low-volatile organic solvent for milling pigments according to claim 4, wherein: the nonionic surfactant of component B comprises one or more of the following ingredients: lauric acid citrate, EO/PO block polyether, glutamic acid laurate, span 40, span 60, span 80, C12-C18 fatty alcohol polyoxyethylene (10) ether, C12-C18 fatty alcohol polyoxyethylene (20) ether, C12-C18 fatty alcohol polyoxyethylene (25) ether, polyoxyethylene (60) sorbitan monostearate and an emulsifier EL-20.
6. The method for preparing a low-volatile organic solvent for milling pigments according to claim 5, wherein: the component A in the step 1 also comprises 0.1-0.5 wt% of bacteriostatic agent.
7. Use of the mixture obtained by the preparation method according to any one of claims 1 to 6 as a lubricant dispersant in the technical field of pigment grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144834.9A CN110835471B (en) | 2019-11-19 | 2019-11-19 | Preparation method of low-volatility organic solvent for grinding pigment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911144834.9A CN110835471B (en) | 2019-11-19 | 2019-11-19 | Preparation method of low-volatility organic solvent for grinding pigment |
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| CN110835471A true CN110835471A (en) | 2020-02-25 |
| CN110835471B CN110835471B (en) | 2021-06-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040198676A1 (en) * | 2003-04-04 | 2004-10-07 | Soll Mark D. | Topical anthelmintic veterinary formulations |
| CN101993633A (en) * | 2010-12-06 | 2011-03-30 | 上海英威喷墨科技有限公司 | Water-based pigment type ink for absorbent base material spray ink printing, preparation and printing methods thereof |
| CN103709833A (en) * | 2013-12-20 | 2014-04-09 | 苏州世名科技股份有限公司 | Polymer coated inorganic pigment paste for color modulation of production line and preparation method thereof |
| CN107942625A (en) * | 2017-11-24 | 2018-04-20 | 江苏中德电子材料科技有限公司 | A kind of new stripper of panel industry copper wiring |
| CN108912838A (en) * | 2018-06-05 | 2018-11-30 | 深圳市墨库图文技术有限公司 | Disperse dyes black color paste and preparation method thereof |
-
2019
- 2019-11-19 CN CN201911144834.9A patent/CN110835471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040198676A1 (en) * | 2003-04-04 | 2004-10-07 | Soll Mark D. | Topical anthelmintic veterinary formulations |
| CN101993633A (en) * | 2010-12-06 | 2011-03-30 | 上海英威喷墨科技有限公司 | Water-based pigment type ink for absorbent base material spray ink printing, preparation and printing methods thereof |
| CN103709833A (en) * | 2013-12-20 | 2014-04-09 | 苏州世名科技股份有限公司 | Polymer coated inorganic pigment paste for color modulation of production line and preparation method thereof |
| CN107942625A (en) * | 2017-11-24 | 2018-04-20 | 江苏中德电子材料科技有限公司 | A kind of new stripper of panel industry copper wiring |
| CN108912838A (en) * | 2018-06-05 | 2018-11-30 | 深圳市墨库图文技术有限公司 | Disperse dyes black color paste and preparation method thereof |
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| CN110835471B (en) | 2021-06-18 |
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