CN105440739A - Preparation method of nanometer filling material-doped compound titanium dioxide pigment - Google Patents
Preparation method of nanometer filling material-doped compound titanium dioxide pigment Download PDFInfo
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- CN105440739A CN105440739A CN201510928488.9A CN201510928488A CN105440739A CN 105440739 A CN105440739 A CN 105440739A CN 201510928488 A CN201510928488 A CN 201510928488A CN 105440739 A CN105440739 A CN 105440739A
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- titanium white
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3615—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C1/3623—Grinding
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3653—Treatment with inorganic compounds
- C09C1/3661—Coating
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3692—Combinations of treatments provided for in groups C09C1/3615 - C09C1/3684
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C09C3/063—Coating
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- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a preparation method of a nanometer filling material-doped compound titanium dioxide pigment. The preparation method comprises 1, TiO2 grinding, 2, doping filler grinding, 3, primary composite grinding, 4, secondary composite grinding and 5, finishing. The preparation method can be operated simply and can be realized easily. The pigment is uniformly coated and a titanium oxide compounding ratio is small so that a cost is effectively reduced. The whiteness of the compound pigment is the same to that of pure titanium dioxide. The nanometer filling material-doped compound titanium dioxide pigment has excellent comprehensive properties.
Description
Technical field
The present invention relates to pigment art, particularly relate to a kind of preparation method of Nano filling mixed compound titanium white powder pigment.
Background technology
Rutile TiO
2have the specific refractory power up to 2.71, therefore opacifying property the best in white pigment, best performance more.By submicron order TiO
2the powder pigment (i.e. titanium dioxide) formed, is used widely at numerous industrial circles such as coating, plastics and papermaking.Titanium dioxide has become important inorganic functional material.China is the second largest titanium white production state and the country of consumption that are only second to the U.S. in the world, and heavily etc. problem is particularly outstanding in China for the resource scarcity existed in titanium white production and application, environmental pollution and Application Areas burden.
With inorganic materials such as white minerals for matrix, by crystalline phase TiO
2obtain composite particles and powder body material can form the pigment performance suitable with titanium dioxide at its Surface coating, and TiO can be reduced in actual applications
2consumption, improve TiO
2utilization ratio, reduces production cost.Prior art adopts mechanical force and chemical cladding process to prepare multiple cladded type titanium dioxide, although opacifying power is suitable with titanium dioxide, also there is the problems such as coated by titanium dioxide is imperfect, titanium dioxide compositely proportional is larger.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of preparation method of Nano filling mixed compound titanium white powder pigment, can the problems referred to above of existing of existing cladded type titanium dioxide.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the preparation method providing a kind of Nano filling mixed compound titanium white powder pigment, comprises the steps:
(1) TiO
2grinding: take a certain amount of TiO
2add in deionized water with dispersion agent, first stir again ultrasonic vibration and form suspension liquid, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain mean particle size;
(2) to adulterate the grinding of filler: take a certain amount of filler powder and dispersion agent adds in deionized water, first stir again ultrasonic vibration and form suspension liquid, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain particle size distribution;
(3) once-combined grinding: get the mixture after grinding in step (2) by certain filler and TiO
2dry material ratio add in the lapping liquid in step (1), be first uniformly mixed again ultrasonic disperse even, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain mean particle size;
(4) secondary multiple grinding: the mixture got in step (2) after grinding adds in the lapping liquid in step (3) by the dry material ratio of certain filler and compound material, first be uniformly mixed again ultrasonic disperse even, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain mean particle size;
(5) finished product: the mixture after regrind in step (4) is filtered after dewatering, add a certain amount of propylene glycol monomethyl ether and dispersion agent again, after first mediating with kneader, then insert flash dryer inner drying, obtain described mixed compound titanium white powder pigment finished product.
In a preferred embodiment of the present invention, in described step (1), described TiO
2be 10 ~ 20:1 with the mass ratio of dispersion agent; The massfraction of the powder granule in described suspension liquid is 20 ~ 25%; The median size of described material is 30 ~ 80nm.
In a preferred embodiment of the present invention, in described step (2), the mass ratio of described filler powder and dispersion agent is 10 ~ 20:1 ~ 1.5; The massfraction of the powder granule in described suspension liquid is 25 ~ 30%; The median size of described material is 30 ~ 80nm.
In a preferred embodiment of the present invention, the silicon-dioxide of described filler to be mass ratio be 1:1:0.5, mica powder and calcium carbonate.
In a preferred embodiment of the present invention, in described step (3), described filler and TiO
2dry material than 1:1 ~ 1.5; The mean particle size of the material after described mixed grinding is 20 ~ 50nm.
In a preferred embodiment of the present invention, in described step (4), the dry material of described filler and compound material is than being 1:8 ~ 10; The mean particle size of the material after described mixed grinding is 10 ~ 30nm.
In a preferred embodiment of the present invention, the frequency of described ultrasonic vibration is 50 ~ 100MHz, and the time of sonic oscillation is 1 ~ 3h.
In a preferred embodiment of the present invention, described dispersion agent is sodium polyacrylate.
The invention has the beneficial effects as follows: the preparation method of a kind of Nano filling mixed compound of the present invention titanium white powder pigment, easy and simple to handle, easy realization, prepared surface of pigments is evenly coated, titanium oxide compositely proportional is less, effectively reduce costs, and the whiteness of the whiteness of hybrid pigment and pure titanium dioxide is suitable, excellent combination property.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment 1
Present invention is disclosed a kind of Nano filling mixed compound titanium white powder pigment, its with mass ratio be the mixture of the silicon-dioxide of 1:1:0.5, mica powder and calcium carbonate as filler, with TiO
2as coating layer, become Nano Particle by wet method mechanical-chemistry grinding, preparation TiO
2covered composite yarn type titanium white powder pigment, concrete preparation method is as follows:
(1) TiO
2grinding: take the TiO that mass ratio is 10:1
2add in deionized water with sodium polyacrylate, first stir and form suspension liquid with the frequency ultrasound of 100MHz concussion 1h again, make the massfraction of powder granule in suspension liquid be 20%, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5:1, reach the mean particle size of 30 ~ 80nm;
(2) to adulterate the grinding of filler: take filler powder that mass ratio is 10:15 and sodium polyacrylate adds in deionized water, first stir and form suspension liquid with the frequency ultrasound of 100MHz concussion 1h again, the massfraction of the powder granule in suspension liquid is made to be 25 ~ 30%, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5:1, reach median size 30 ~ 80nm;
(3) once-combined grinding: get the mixture after grinding in step (2) by filler and TiO
2dry material add in the lapping liquid in step (1) than 1:1, first be uniformly mixed and shake 1h to being uniformly dispersed with the frequency ultrasound of 100MHz again, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5:1, reach the mean particle size of 20 ~ 50nm;
(4) secondary multiple grinding: the mixture got in step (2) after grinding adds in the lapping liquid in step (3) by the dry material ratio of filler and compound material 1:8, first be uniformly mixed and shake 1h to being uniformly dispersed with the frequency ultrasound of 100MHz again, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5:1, reach the mean particle size of 10 ~ 30nm;
(5) finished product: the mixture after regrind in step (4) is filtered after dewatering, add again and account for the propylene glycol monomethyl ether of mixture massfraction 2% and the sodium polyacrylate of 3%, after first mediating with kneader, insert flash dryer inner drying again, obtain described mixed compound titanium white powder pigment finished product.
Embodiment 2
Present invention is disclosed a kind of Nano filling mixed compound titanium white powder pigment, its with mass ratio be the mixture of the silicon-dioxide of 1:1:0.5, mica powder and calcium carbonate as filler, with TiO
2as coating layer, become Nano Particle by wet method mechanical-chemistry grinding, preparation TiO
2covered composite yarn type titanium white powder pigment, concrete preparation method is as follows:
(1) TiO
2grinding: take the TiO that mass ratio is 20:1
2add in deionized water with sodium polyacrylate, first stir and form suspension liquid with the frequency ultrasound of 50MHz concussion 3h again, make the massfraction of powder granule in suspension liquid be 25%, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 6:1, reach the mean particle size of 30 ~ 80nm;
(2) to adulterate the grinding of filler: take filler powder that mass ratio is 20:1.5 and sodium polyacrylate adds in deionized water, first stir and form suspension liquid with the frequency ultrasound of 50MHz concussion 3h again, the massfraction of the powder granule in suspension liquid is made to be 30%, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 6:1, reach median size 30 ~ 80nm;
(3) once-combined grinding: get the mixture after grinding in step (2) by filler and TiO
2dry material add in the lapping liquid in step (1) than 1:1.5, first be uniformly mixed and shake 3h to being uniformly dispersed with the frequency ultrasound of 500MHz again, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 6:1, reach the mean particle size of 20 ~ 50nm;
(4) secondary multiple grinding: the mixture got in step (2) after grinding adds in the lapping liquid in step (3) by the dry material ratio of filler and compound material 1:10, first be uniformly mixed and shake 3h to being uniformly dispersed with the frequency ultrasound of 50MHz again, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 6:1, reach the mean particle size of 10 ~ 30nm;
(5) finished product: the mixture after regrind in step (4) is filtered after dewatering, add again and account for the propylene glycol monomethyl ether of mixture massfraction 2% and the sodium polyacrylate of 3%, after first mediating with kneader, insert flash dryer inner drying again, obtain described mixed compound titanium white powder pigment finished product.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a preparation method for Nano filling mixed compound titanium white powder pigment, is characterized in that, comprises the steps:
(1) TiO
2grinding: take a certain amount of TiO
2add in deionized water with dispersion agent, first stir again ultrasonic vibration and form suspension liquid, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain mean particle size;
(2) to adulterate the grinding of filler: take a certain amount of filler powder and dispersion agent adds in deionized water, first stir again ultrasonic vibration and form suspension liquid, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain particle size distribution;
(3) once-combined grinding: get the mixture after grinding in step (2) by certain filler and TiO
2dry material ratio add in the lapping liquid in step (1), be first uniformly mixed again ultrasonic disperse even, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain mean particle size;
(4) secondary multiple grinding: the mixture got in step (2) after grinding adds in the lapping liquid in step (3) by the dry material ratio of certain filler and compound material, first be uniformly mixed again ultrasonic disperse even, then add in planetary-type grinding machine and carry out wet grinding with the ratio of grinding media to material of 5 ~ 6:1, reach certain mean particle size;
(5) finished product: the mixture after regrind in step (4) is filtered after dewatering, add a certain amount of propylene glycol monomethyl ether and dispersion agent again, after first mediating with kneader, then insert flash dryer inner drying, obtain described mixed compound titanium white powder pigment finished product.
2. the preparation method of Nano filling mixed compound titanium white powder pigment according to claim 1, is characterized in that, in described step (1), and described TiO
2be 10 ~ 20:1 with the mass ratio of dispersion agent; The massfraction of the powder granule in described suspension liquid is 20 ~ 25%; The median size of described material is 30 ~ 80nm.
3. the preparation method of Nano filling mixed compound titanium white powder pigment according to claim 1, is characterized in that, in described step (2), the mass ratio of described filler powder and dispersion agent is 10 ~ 20:1 ~ 1.5; The massfraction of the powder granule in described suspension liquid is 25 ~ 30%; The median size of described material is 30 ~ 80nm.
4. the preparation method of Nano filling mixed compound titanium white powder pigment according to claim 3, is characterized in that, the silicon-dioxide of described filler to be mass ratio be 1:1:0.5, mica powder and calcium carbonate.
5. the preparation method of Nano filling mixed compound titanium white powder pigment according to claim 1, is characterized in that, in described step (3), and described filler and TiO
2dry material than 1:1 ~ 1.5; The mean particle size of the material after described mixed grinding is 20 ~ 50nm.
6. the preparation method of Nano filling mixed compound titanium white powder pigment according to claim 1, is characterized in that, in described step (4), the dry material of described filler and compound material is than being 1:8 ~ 10; The mean particle size of the material after described mixed grinding is 10 ~ 30nm.
7. the preparation method of Nano filling mixed compound titanium white powder pigment according to claim 1, is characterized in that, the frequency of described ultrasonic vibration is 50 ~ 100MHz, and the time of sonic oscillation is 1 ~ 3h.
8. the preparation method of Nano filling mixed compound titanium white powder pigment according to claim 1, is characterized in that, described dispersion agent is sodium polyacrylate.
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| CN201510928488.9A CN105440739A (en) | 2015-12-15 | 2015-12-15 | Preparation method of nanometer filling material-doped compound titanium dioxide pigment |
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| CN201510928488.9A CN105440739A (en) | 2015-12-15 | 2015-12-15 | Preparation method of nanometer filling material-doped compound titanium dioxide pigment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633186A (en) * | 2016-12-16 | 2017-05-10 | 全椒祥瑞塑胶有限公司 | Titanium dioxide filler capable of improving plastic optical properties |
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Application publication date: 20160330 |