CN109306212A - A kind of method of production of white pigment - Google Patents
A kind of method of production of white pigment Download PDFInfo
- Publication number
- CN109306212A CN109306212A CN201710654909.2A CN201710654909A CN109306212A CN 109306212 A CN109306212 A CN 109306212A CN 201710654909 A CN201710654909 A CN 201710654909A CN 109306212 A CN109306212 A CN 109306212A
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- China
- Prior art keywords
- base
- slurry
- material slurry
- modifying agent
- white pigment
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
A kind of method of production of white pigment, it include: step S1, using barium carbonate powder as base-material, using dolomite dust as auxiliary material, according to mass fraction meter, the additive amount of base-material is 80-95 parts, the additive amount of auxiliary material is 5-15 parts, is then watered mixed resin and base-material slurry is made；Step S2, using the either any a variety of combination of one of organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting dispersing agent as modifying agent, 2-5 parts of modifying agent is uniformly added in base-material slurry.Using barium carbonate powder for base-material, dolomite dust is auxiliary material, is had the characteristics that nontoxic.The either any a variety of combination of one of organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting dispersing agent is added in mixed material, it is in this way base-material the present invention is based on barium carbonate powder, surface is carried out to mixed resin to be modified, and can be applied in pigment well.The present invention can be improved the covering power, dispersibility and weatherability of pigment.
Description
Technical field
The present invention relates to pigment preparation technical fields, more specifically, in particular to a kind of method of production of white pigment.
Background technique
Coating is a kind of material, and this material can be coated in object surface with different construction technologies, form adherency jail
Gu, have some strength, continuous solid film.The film common name film formed in this way, also known as paint film or coating.
For white pigment, the common raw material of white pigment has white lead and zinc white.The chemical component of white lead is carbon
Lead plumbate, white lead powder are often used to make bottom material, and white lead is commonly applied to the white pigments in oil painting.White lead has very strong toxicity, i.e.,
Serious consequence can also be generated by making to suck the dust containing white lead, so the grinding of white lead can bring danger to people.The chemistry of zinc white
Ingredient is zinc oxide, it is prolonged do not turn yellow, color stable, chromatograph is firmer after doing, but eats that oil is more, and covering power is poor, do compared with
Slowly, brittle easy to crack.
Summary of the invention
(1) technical problem
In conclusion how to provide the white pigment that a kind of covering power is relatively strong, has excellent weather resistance, become art technology
Personnel's urgent problem to be solved.
(2) technical solution
The present invention provides a kind of methods of production of white pigment, this method comprises:
Step S1, using barium carbonate powder as base-material, dolomite dust is added in the base-material as auxiliary material, according to mass parts
Number meter, the additive amount of the base-material is 80-95 parts, the additive amount of the auxiliary material is 5-15 parts, and mixed resin is then watered system
At base-material slurry；
It step S2, will be in organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting dispersing agent
2-5 parts of modifying agent, according to mass fraction meter, is uniformly added to institute as modifying agent by a kind of or any a variety of combination
It states in base-material slurry.
Preferably, the specific steps of the step S1 include:
Step S1a, mixed resin is prepared, base-material and auxiliary material are mixed and stirred for uniformly；
Step S1b, base-material slurry is prepared, the deionized water of 1-1.5 times of weight and the mixed resin are stirred system
At base-material slurry；
Step S1c, base-material slurry heats up, and carries out being warming up to 48-52 DEG C to the base-material slurry.
Preferably, the specific steps of the step S2 include:
Step S2a, modifying agent is prepared, organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate are moistened
The either any a variety of combination of one of hygroscopic water powder is as modifying agent；
Step S2b, processing is modified to base-material slurry, the base-material slurry after heating is kept the temperature and stirred,
It is stirred under temperature constant state and the modifying agent is slowly dropped in the base-material slurry；
Step S2c, base-material slurry is kept the temperature, modified base-material slurry is kept the temperature.
Preferably, in the step S2b, the modifying agent uniform speed slow is added drop-wise in the base-material slurry, institute
It states 0.4-0.6 hours a length of when the dropwise addition of modifying agent.
Preferably, in the step S1c, the holding temperature range to the base-material slurry is 48-52 DEG C, to described
The heat preservation duration of base-material slurry is 0.4-0.6 hours.
It preferably, further include having step S3 after the step S2；
The step S3 are as follows: the base-material slurry after isothermal holding is filtered, dry, is crushed, packing processes.
(3) beneficial effect
By said structure design, the present invention uses barium carbonate powder for base-material, uses dolomite dust for auxiliary material, has
Nontoxic feature.Organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting are added in mixed material
The either any a variety of group of one of dispersing agent is combined into modifying agent, and it is base-material that it, which is based on barium carbonate powder, in this way, to mixing
Base-material carries out surface and is modified, and can be applied in pigment well.The present invention can be improved the covering power of pigment, dispersibility and
Weatherability.
Detailed description of the invention
Fig. 1 is the flow chart of the method for production of white pigment in the embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to FIG. 1, Fig. 1 is the flow chart of the method for production of white pigment in the embodiment of the present invention.
The present invention provides a kind of methods of production of white pigment, and in the present invention, which specifically includes:
Step S1, using barium carbonate powder as base-material, dolomite dust is added in base-material as auxiliary material, according to mass fraction
Meter, the additive amount of base-material is 80-95 parts, the additive amount of auxiliary material is 5-15 parts, mixed resin is watered, base-material slurry is made.
In above-mentioned steps, can specifically it be divided into:
Step S1a, mixed resin is prepared, base-material and auxiliary material are mixed and stirred for uniformly.First according to the system of white pigment
Standby total amount weighs barium carbonate powder, spare by base-material of barium carbonate powder.Then dolomite dust is weighed, using dolomite dust as auxiliary material
It is spare.Base-material and auxiliary material are mixed, held in mixed process it should be noted that base-material and auxiliary material are poured slowly into mixing
In device, fugitive dust is avoided to occur.
In an embodiment of the invention, the additive amount of base-material is 80 parts, and the additive amount of auxiliary material is 10 parts.
In yet another embodiment of the present invention, the additive amount of base-material is 95 parts, and the additive amount of auxiliary material is 15 parts.
Step S1b, base-material slurry is prepared, the deionized water of 1-1.5 times of weight and mixed resin is stirred, base is made
Slurry material.After base-material and auxiliary material mixing, 1.5 times of heavy deionized waters of mixed resin weight are weighed, deionized water is slow
It pours into mixing vessel, material is stirred during deionized water is poured into.
Step S1c, base-material slurry heats up, and carries out being warming up to 48-52 DEG C to base-material slurry.
In step S1c, base-material slurry is kept the temperature, holding temperature range is 48-52 DEG C, to the guarantor of base-material slurry
The warm duration is 0.4-0.6 hours.
Specifically, it is heated up to base-material slurry by water-bath mode, temperature controls within the temperature range of 50 ± 1.
After base-material slurry temperature is constant, heat preservation in 0.5 hour is carried out to base-material slurry.
It step S2, will be in organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting dispersing agent
The modifying agent of 2-5 parts of weights is uniformly added to as modifying agent according to mass fraction meter by a kind of or any a variety of combination
In base-material slurry.
Organic silicon surfactant is faint yellow thick liquid, contains hydrophilic and hydrophobic two parts, organosilicon in molecule
Surfactant can change surface tension of liquid or two interphase interface tension, can be improved pigment base-material in deionized water
Dispersibility.
Esters of acrylic acid dispersing agent has for pigment and has preferable adsorption capacity, with acrylate wetting point
Powder all can be used as the interface active agent for improving pigment monodisperse system stability.
In step s 2, can specifically be divided into:
Step S2a, modifying agent is prepared, organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate are moistened
The either any a variety of combination of one of hygroscopic water powder is as modifying agent.
As mass fraction, 3 parts of heavy modifying agent are weighed, there are several types of schemes for the composition of the modifying agent: 1, using list
Component, with any one work in organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting dispersing agent
For modifying agent；2, using two-component, by the organic silicon surfactant and 1.5 parts heavy of esters of acrylic acid dispersing agent of 1.5 parts of weights
It is mixed, or the organic silicon surfactant of 1.5 parts of weights is mixed with 1.5 parts heavy of acrylate wetting dispersing agent
It closes；3, using three components, by the organic silicon surfactant of 1 part of weight, the esters of acrylic acid dispersing agent of 1 part of weight and 1 part heavy
The mixing of acrylate wetting dispersing agent.
Step S2b, processing is modified to base-material slurry, the base-material slurry after heating is kept the temperature and stirred, in perseverance
Modifying agent is slowly dropped in base-material slurry under warm stirring.
In step S2b, modifying agent uniform speed slow is added drop-wise in base-material slurry, when dropwise addition of modifying agent a length of 0.4-
0.6 hour.
Step S2c, base-material slurry is kept the temperature, modified base-material slurry is kept the temperature.
Step S3 are as follows: the base-material slurry after isothermal holding is filtered, dry, is crushed, packing processes.
In the present invention, it is base-material that the present invention, which is based on barium carbonate powder, and surface is carried out to it and is modified, can be good
Applied in pigment.The present invention can be improved the covering power, dispersibility and weatherability of pigment.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (6)
1. a kind of method of production of white pigment characterized by comprising
Step 1, using barium carbonate powder as base-material, dolomite dust is added in the base-material as auxiliary material, according to mass fraction meter,
The additive amount of the base-material is 80-95 parts, the additive amount of the auxiliary material is 5-15 parts, is then watered mixed resin and base-material is made
Slurry；
Step 2, by one of organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting dispersing agent or
Person is any a variety of combination as modifying agent, and according to mass fraction meter, 2-5 parts of modifying agent is uniformly added to the base-material
In slurry.
2. the method for production of white pigment according to claim 1, which is characterized in that
The specific steps of the step 1 include:
Step 1a, mixed resin is prepared, base-material and auxiliary material are mixed and stirred for uniformly；
Step 1b, base-material slurry is prepared, the deionized water of 1-1.5 times of weight and the mixed resin is stirred, base-material is made
Slurry；
Step 1c, base-material slurry heats up, and carries out being warming up to 48-52 DEG C to the base-material slurry.
3. the method for production of white pigment according to claim 2, which is characterized in that
The specific steps of the step 2 include:
Step 2a, modifying agent is prepared, by organic silicon surfactant, esters of acrylic acid dispersing agent and acrylate wetting and dispersing
The either any a variety of combination of one of agent is as modifying agent；
Step 2b, processing is modified to base-material slurry, the base-material slurry after heating is kept the temperature and stirred, in constant temperature
It is stirred under state and the modifying agent is slowly dropped in the base-material slurry；
Step 2c, base-material slurry is kept the temperature, modified base-material slurry is kept the temperature.
4. the method for production of white pigment according to claim 3, which is characterized in that
In the step 2b, the modifying agent uniform speed slow is added drop-wise in the base-material slurry, the drop of the modifying agent
Added-time is 0.4-0.6 hours a length of.
5. the method for production of white pigment according to claim 3, which is characterized in that
In the step 1c, the holding temperature range to the base-material slurry is 48-52 DEG C, the heat preservation to the base-material slurry
Duration is 0.4-0.6 hours.
6. the method for production of white pigment according to any one of claims 1 to 5, which is characterized in that
It further include having step 3 after the step 2；
The step 3 are as follows: the base-material slurry after isothermal holding is filtered, dry, is crushed, packing processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654909.2A CN109306212A (en) | 2017-07-28 | 2017-07-28 | A kind of method of production of white pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654909.2A CN109306212A (en) | 2017-07-28 | 2017-07-28 | A kind of method of production of white pigment |
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| Publication Number | Publication Date |
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| CN109306212A true CN109306212A (en) | 2019-02-05 |
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| CN201710654909.2A Pending CN109306212A (en) | 2017-07-28 | 2017-07-28 | A kind of method of production of white pigment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085882A (en) * | 2006-06-08 | 2007-12-12 | 默克专利股份有限公司 | Effect pigments |
| CN104059422A (en) * | 2014-06-15 | 2014-09-24 | 安徽奥邦新材料有限公司 | Compound white pigment and preparation method thereof |
| CN104194408A (en) * | 2014-06-03 | 2014-12-10 | 安徽奥邦新材料有限公司 | Novel modified titanium dioxide white antirust pigment and preparing method thereof |
| WO2014200112A1 (en) * | 2013-06-14 | 2014-12-18 | 東レ・ダウコーニング株式会社 | Reactive silicone composition, reactive thermoplastic, cured product and photosemiconductor device |
| WO2015020542A1 (en) * | 2013-08-08 | 2015-02-12 | Extenday Ip Limited | Ground cover materials |
| CN105038327A (en) * | 2014-11-26 | 2015-11-11 | 安徽池州博源非金属矿研发中心有限公司 | Preparation method of dolomite composite titanium dioxide |
-
2017
- 2017-07-28 CN CN201710654909.2A patent/CN109306212A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085882A (en) * | 2006-06-08 | 2007-12-12 | 默克专利股份有限公司 | Effect pigments |
| WO2014200112A1 (en) * | 2013-06-14 | 2014-12-18 | 東レ・ダウコーニング株式会社 | Reactive silicone composition, reactive thermoplastic, cured product and photosemiconductor device |
| WO2015020542A1 (en) * | 2013-08-08 | 2015-02-12 | Extenday Ip Limited | Ground cover materials |
| CN104194408A (en) * | 2014-06-03 | 2014-12-10 | 安徽奥邦新材料有限公司 | Novel modified titanium dioxide white antirust pigment and preparing method thereof |
| CN104059422A (en) * | 2014-06-15 | 2014-09-24 | 安徽奥邦新材料有限公司 | Compound white pigment and preparation method thereof |
| CN105038327A (en) * | 2014-11-26 | 2015-11-11 | 安徽池州博源非金属矿研发中心有限公司 | Preparation method of dolomite composite titanium dioxide |
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Application publication date: 20190205 |