CN105368160B - A kind of aqueous carbon black color paste dispersing agent and its preparing the application in carbon black color paste - Google Patents
A kind of aqueous carbon black color paste dispersing agent and its preparing the application in carbon black color paste Download PDFInfo
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- CN105368160B CN105368160B CN201510979338.0A CN201510979338A CN105368160B CN 105368160 B CN105368160 B CN 105368160B CN 201510979338 A CN201510979338 A CN 201510979338A CN 105368160 B CN105368160 B CN 105368160B
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- carbon black
- color paste
- black color
- dispersing agent
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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
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/005—Carbon black
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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
- C09D17/001—Pigment pastes, e.g. for mixing in paints in aqueous medium
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of aqueous carbon black color paste dispersing agent and its application in carbon black color paste is being prepared, the dispersing agent is carboxymethyl hemicellulose sodium, and source is that hemicellulose modification obtains.The aqueous carbon black color paste, is made of the material composition of following weight parts: 1-5 parts of dispersing agent, 10-25 parts of carbon black, 70-89 parts of water.Preparation process is that ball milling disperses 60-120min, rotational speed of ball-mill 600-900r/min.Aqueous carbon black color paste dispersing agent of the invention, it is the effective use of plant resources, not only production cost is low, but also environmentally protective, applied to preparing in carbon black color paste, method is simple, and dispersion performance is good, and the partial size after dispersion can reach 0.16-0.34 μm, viscosity is 17-32mPa.s, pH value is 6.8-8.5, and mill base centrifugal stability is 70-86.3%, has good temperature stability and storage stability.
Description
Technical field
The invention belongs to chemical technology fields, and in particular to a kind of aqueous carbon black color paste dispersing agent and its prepare carbonarius
Application in slurry.
Background technique
Hemicellulose is a kind of amorphous substance being present in plant cell wall, and the degree of polymerization is lower, hygroscopic swollen, it
Largely it is present in plant, accounts for about the one third of plant resources.As the incident energy shortage of current social development is asked
Topic is on the rise, and the resourceful and renewable of hemicellulose is undoubtedly a kind of good alternative energy source, the utilization of hemicellulose
Exploitation has become an important directions of green industry development.Hemicellulose and its modified product can be widely applied to medicine, material
The fields such as material, food have great Exploitative potential and market value.
Carboxymethyl hemicellulose sodium is a kind of straight chain, water-soluble high-molecular material, overcomes half after half-and-half cellulose modified
The defects of cellulosic structure is complicated, poorly water-soluble, has a good water solubility, aqueous solution have emulsification, keep moisture, at
The effects of film, bonding, thickening, colloid protection, industrial use is very extensive.Carbon black is a kind of important industrial chemicals, and most
Important black pigment colorant.Carbon black primary partical partial size is small, large specific surface area, have very high surface can, carbon black particle
Easily it is gathered into biggish particle, it is difficult to be stably dispersed in water-based system, cause the use limitation of carbon black.As environment is protected
The increasingly requirement of shield, the stability of carbon black dispersion are increasingly taken seriously, and enhancing carbon black hydrophily improves point of carbon black in water
Dissipating stability, oneself becomes the target that industry is made great efforts.The shortcomings that in order to overcome carbon black color paste difficulty to disperse, suitable dispersing agent is selected to be
It is vital.
Summary of the invention
The present invention is to solve the above problem present in existing carbon black color paste dispersion technology, provides a kind of aqueous carbon black color paste
Dispersing agent.Carboxymethyl hemicellulose sodium dispersing agent used in this method is the effective use of plant resources, and production cost is low, green
Environmental protection, dispersion performance in carbon black color paste is good, and mill base partial size is small after dispersion applied to preparing, and stability is high, has fabulous society
Benefit.
In order to solve the above technical problems, the present invention is practiced using following technical scheme:
A kind of aqueous carbon black color paste dispersing agent of the present invention, using carboxymethyl hemicellulose sodium as dispersing agent, applied to preparing water
Property carbon black color paste.
Preferably, the carboxymethyl hemicellulose sodium dispersing agent is that hemicellulose modification obtains, degree of substitution 0.8-
1.5。
Preferably, the degree of substitution of the modified obtained carboxymethyl hemicellulose sodium dispersing agent of hemicellulose is 1.3.
The aqueous carbon black color paste is made of the material composition of following weight parts: carboxymethyl hemicellulose sodium dispersing agent 1-5
Part, 10-25 parts of carbon black, 70-89 parts of water.
Preferably, the aqueous carbon black color paste is made of the material composition of following weight parts: carboxymethyl hemicellulose sodium point
2 parts of powder, 15 parts of carbon black, 83 parts of water.
Preferably, the particle size carbon black is 0.5-20 μm.
The aqueous carbon black color paste dispersing agent is preparing the application in aqueous carbon black color paste, weighs carboxymethyl by weight
Hemicellulose sodium dispersing agent, is allowed to completely dissolve in water, and carbon black is added while stirring, and then, ball milling disperses 60-120min,
Rotational speed of ball-mill is 600-900r/min, and aqueous carbon black color paste is made.
The partial size of aqueous carbon black color paste obtained above is 0.16-0.34 μm, viscosity 17-32mPa.s, pH value 6.8-
8.5.The centrifugal stability of carbon black color paste obtained can reach 70-86.3%.
The present invention has following significant effect compared with prior art:
Carboxymethyl hemicellulose sodium dispersing agent used is that hemicellulose modification obtains in the present invention, is the effective of plant resources
It utilizes, production cost is low, has good degradability.
The preparation process of carbon black color paste is simple in invention, takes water as a solvent, environmentally protective.
For carboxymethyl hemicellulose sodium application of dispersant in preparing carbon black color paste, dispersion performance is good in invention, color after dispersion
It is small to starch partial size, centrifugal stability is high, has good temperature stability and storage stability.
In short, carboxymethyl hemicellulose sodium dispersing agent and its in the application for preparing carbon black color paste, not only solves plant money
The effective use problem in source, while a kind of aqueous carbon black color paste has been obtained, dispersion performance is excellent, has fabulous social benefit.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated.
Embodiment one:
Using carboxymethyl hemicellulose sodium as dispersing agent, weigh dispersing agent and be dissolved completely in deionized water, while stirring plus
Enter carbon black, ball milling disperses 60min, and aqueous carbon black color paste is made in rotational speed of ball-mill 600r/min.
The carboxymethyl hemicellulose sodium is that hemicellulose modification obtains, degree of substitution 1.3；
The carbon black industry product, partial size are 0.5-20 μm；
Parts by weight shared by the carboxymethyl hemicellulose sodium dispersing agent are 1 part；
Parts by weight shared by the carbon black are 10 parts.
The physical index and application performance for testing carbon black color paste according to national standards, are shown in Table 1.
The physical index and application performance of 1 carbon black color paste of table
Embodiment two:
Using carboxymethyl hemicellulose sodium as dispersing agent, weigh dispersing agent and be dissolved completely in deionized water, while stirring plus
Enter carbon black, ball milling disperses 90min, and aqueous carbon black color paste is made in rotational speed of ball-mill 600r/min.
The carboxymethyl hemicellulose sodium is that hemicellulose modification obtains, degree of substitution 1.3；
The carbon black industry product, partial size are 0.5-20 μm；
Parts by weight shared by the carboxymethyl hemicellulose sodium dispersing agent are 2 parts；
Parts by weight shared by the carbon black are 15 parts.
The physical index and application performance for testing carbon black color paste according to national standards, are shown in Table 2.
2 carbon black color paste physical index of table and application performance
Embodiment three:
Using carboxymethyl hemicellulose sodium as dispersing agent, weigh dispersing agent and be dissolved completely in deionized water, while stirring plus
Enter carbon black, ball milling disperses 90min, and aqueous carbon black color paste is made in rotational speed of ball-mill 700r/min.
The carboxymethyl hemicellulose sodium is that hemicellulose modification obtains, degree of substitution 1.3；
The carbon black industry product, partial size are 0.5-20 μm；
Parts by weight shared by the carboxymethyl hemicellulose sodium dispersing agent are 3 parts；
Parts by weight shared by the carbon black are 20 parts.
The physical index and application performance for testing carbon black color paste according to national standards, are shown in Table 3.
3 carbon black color paste physical index of table and application performance
Example IV:
Using carboxymethyl hemicellulose sodium as dispersing agent, weigh dispersing agent and be dissolved completely in deionized water, while stirring plus
Enter carbon black, ball milling disperses 120min, and aqueous carbon black color paste is made in rotational speed of ball-mill 800r/min.
The carboxymethyl hemicellulose sodium is that hemicellulose modification obtains, degree of substitution 1.3；
The carbon black industry product, partial size are 0.5-20 μm；
Parts by weight shared by the carboxymethyl hemicellulose sodium dispersing agent are 4 parts；
Parts by weight shared by the carbon black are 25 parts.
The physical index and application performance for testing carbon black color paste according to national standards, are shown in Table 4.
4 carbon black color paste physical index of table and application performance
Embodiment five:
Using carboxymethyl hemicellulose sodium as dispersing agent, weigh dispersing agent and be dissolved completely in deionized water, while stirring plus
Enter carbon black, ball milling disperses 120min, and aqueous carbon black color paste is made in rotational speed of ball-mill 900r/min.
The carboxymethyl hemicellulose sodium is that hemicellulose modification obtains, degree of substitution 1.3；
The carbon black industry product, partial size are 0.5-20 μm；
Parts by weight shared by the carboxymethyl hemicellulose sodium dispersing agent are 5 parts；
Parts by weight shared by the carbon black are 25 parts.
The physical index and application performance for testing carbon black color paste according to national standards, are shown in Table 5.
5 carbon black color paste physical index of table and application performance
Embodiment six:
Using carboxymethyl hemicellulose sodium as dispersing agent, weigh dispersing agent and be dissolved completely in deionized water, while stirring plus
Enter carbon black, ball milling disperses 90min, and aqueous carbon black color paste is made in rotational speed of ball-mill 700r/min.
The carboxymethyl hemicellulose sodium is that hemicellulose modification obtains, degree of substitution 1.3；
The carbon black industry product, partial size are 0.5-20 μm；
Parts by weight shared by the carboxymethyl hemicellulose sodium dispersing agent are 2 parts；
Parts by weight shared by the carbon black are 15 parts.
The physical index and application performance for testing carbon black color paste according to national standards, are shown in Table 6.
6 carbon black color paste physical index of table and application performance
The aqueous carbon black color paste dispersing agent of the present invention and its application in carbon black color paste is being prepared, production cost is low, green ring
It protects, carboxymethyl hemicellulose sodium dispersion performance in carbon black color paste is good, and carbon black color paste partial size is small after dispersion, and stability is high.
Claims (5)
1. a kind of aqueous carbon black color paste dispersing agent is preparing the application in aqueous carbon black color paste, which is characterized in that claim by weight
Carboxymethyl hemicellulose sodium dispersing agent is taken, is allowed to completely dissolve in water, carbon black is added while stirring, then, ball milling disperses 60-
Aqueous carbon black color paste is made in 120min, rotational speed of ball-mill 600-900r/min；
The carboxymethyl hemicellulose sodium dispersing agent is that hemicellulose modification obtains, degree of substitution 0.8-1.5；The aqueous charcoal
Particle size carbon black in black slurry is 0.5 ~ 20 μm；
The partial size of the aqueous carbon black color paste is 0.16-0.34 μm, viscosity 17-32mPa.s, pH value 6.8-8.5, and centrifugation is steady
It is qualitative to can reach 70-86.3%.
2. application as described in claim 1, which is characterized in that the modified obtained carboxymethyl hemicellulose sodium dispersion of hemicellulose
The degree of substitution of agent is 1.3.
3. application as described in claim 1, which is characterized in that the aqueous carbon black color paste by following weight parts material composition
Composition: 1-5 parts of carboxymethyl hemicellulose sodium dispersing agent, 10-25 parts of carbon black, 70-89 parts of water.
4. application as claimed in claim 3, which is characterized in that the aqueous carbon black color paste by following weight parts material composition
Composition: 2 parts of carboxymethyl hemicellulose sodium dispersing agent, 15 parts of carbon black, 83 parts of water.
5. application as claimed in claim 4, which is characterized in that the particle size carbon black is 0.5-20 μm.
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| CN201510979338.0A CN105368160B (en) | 2015-12-23 | 2015-12-23 | A kind of aqueous carbon black color paste dispersing agent and its preparing the application in carbon black color paste |
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| CN105368160B true CN105368160B (en) | 2019-01-15 |
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| CN108456462A (en) * | 2017-02-22 | 2018-08-28 | 海门市瑞泰纺织科技有限公司 | A kind of aqueous carbon black color paste dispersant and its application in preparing carbon black color paste |
| CN107236410A (en) * | 2017-07-19 | 2017-10-10 | 中山市富利达涂料有限公司 | Shovel-resistant water-based non-stick coating and preparation method thereof |
| CN109199399B (en) * | 2018-09-05 | 2021-11-26 | 苏州纳磐新材料科技有限公司 | Fingerprint developing agent and preparation method thereof |
| CN113096885B (en) * | 2021-04-07 | 2022-09-09 | 佳雅(威海)新材料科技有限公司 | Preparation method of low-resistance high-transparency conductive film |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234109A (en) * | 2000-02-21 | 2001-08-28 | Dainippon Ink & Chem Inc | Aqueous pigment dispersion and water-based recording liquid |
| CN1865365A (en) * | 2006-06-22 | 2006-11-22 | 华东理工大学 | Superthin aqueous carbon black color slurry and its preparation method |
| CN103194123A (en) * | 2012-01-06 | 2013-07-10 | 任天斌 | Aqueous nano-paste and preparation method thereof |
| CN103613689A (en) * | 2013-11-22 | 2014-03-05 | 河北科技大学 | Carboxymethylation modification method and applications of semi-cellulose in waste liquor from viscose fiber production |
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2015
- 2015-12-23 CN CN201510979338.0A patent/CN105368160B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234109A (en) * | 2000-02-21 | 2001-08-28 | Dainippon Ink & Chem Inc | Aqueous pigment dispersion and water-based recording liquid |
| CN1865365A (en) * | 2006-06-22 | 2006-11-22 | 华东理工大学 | Superthin aqueous carbon black color slurry and its preparation method |
| CN103194123A (en) * | 2012-01-06 | 2013-07-10 | 任天斌 | Aqueous nano-paste and preparation method thereof |
| CN103613689A (en) * | 2013-11-22 | 2014-03-05 | 河北科技大学 | Carboxymethylation modification method and applications of semi-cellulose in waste liquor from viscose fiber production |
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