CN107805321A - A kind of preparation method of makrolon tailored version TiO 2 pigment - Google Patents
A kind of preparation method of makrolon tailored version TiO 2 pigment Download PDFInfo
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- CN107805321A CN107805321A CN201711188801.5A CN201711188801A CN107805321A CN 107805321 A CN107805321 A CN 107805321A CN 201711188801 A CN201711188801 A CN 201711188801A CN 107805321 A CN107805321 A CN 107805321A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
A kind of preparation method of makrolon tailored version TiO 2 pigment, rutile titanium dioxide first product mashing is prepared into titania slurry, adjust slurry pH value to 9.0~11.0 with inorganic alkali lye, after adding the curing of water-soluble silicate solution, be ground processing；Slurry after grinding is first used into water-soluble silicate solution coating, then with water-soluble alkaline aluminum salt solution coating, through washing, drying, the processing of vapour powder, obtains semi-finished product；At normal temperatures, by the semi-finished product organic surface modifying agent modification after the processing of vapour powder, then, by the slurry drying after processing, crush, makrolon tailored version TiO 2 pigment is made.Advantage is：TiO 2 pigment prepared by this method can have extraordinary compatibility with makrolon, efficiently solve because adding TiO2Trigger the poly- xanthochromia of makrolon degraded, and the mechanical property and ageing resistace of product can be improved.
Description
Technical field
The invention belongs to TiO 2 pigment preparation field, more particularly to a kind of makrolon tailored version TiO 2 pigment
Preparation method.
Background technology
Makrolon is a kind of colourless, tasteless, nontoxic, high comprehensive performance thermoplastic engineering plastic, as five big works
One of engineering plastics, impact resistance, creep resistance with protrusion, higher tensile strength, stronger heat resistance and cold resistance,
Dielectric properties are excellent, have fabulous color and dimensional stability, light transmission is good, thus has extensive purposes.Due to wrapping
The rapid growth of the main application fields such as dress and car terminals application industry, and makrolon is also the sector metal and glass
Alternative materials, therefore the demand of makrolon is continued to increase, the titanium white as one of main material needed for makrolon field
The market demand of powder is also constantly soaring.Although makrolon is a kind of splendid engineering plastics of combination property, in ultraviolet
It in the presence of water, can gradually be degraded than more sensitive carbonic acid ester bond in makrolon, aetiolation, while printing opacity occur
Rate, glossiness and intensity and toughness will all be greatly lowered.Therefore, in recent years to makrolon heat endurance, thermal degradation machine
The research of reason and xanthochromia principle receives much concern.Titanium dioxide property is stable, heat-resist, also there is preferable shielding to ultraviolet
Ability, its be used to improving the ageing resistace of makrolon oneself through having done substantial amounts of further investigation.But organic material and inorganic material
All the time there is the problem of compatibility between material, so the modification to titanium dioxide, strengthens its compatibility between polymer
As the Main way of makrolon tailored version TiO 2 pigment research.
At present, the domestic exploitation available for makrolon tailored version titanium white product is blank, foreign countries' only 1 titanium dioxide life
There is related tailored version product in production enterprise, but without the Patent Publication of correlation.The successful research and development of the type tailored version titanium dioxide not only increase
Company's tailored version product grade is added, has expanded market sale share, and can effectively fill the domestic gaps, made the production of company
Product are more competitive, and company has more popularity.
The content of the invention
Present invention is primarily intended in view of the shortcomings of the prior art, there is provided a kind of makrolon tailored version TiO 2 pigment
Preparation method, this method prepare TiO 2 pigment can have extraordinary compatibility with makrolon, effectively solve
Determine because adding TiO2Trigger the poly- xanthochromia of makrolon degraded, and the mechanical property and ageing resistace of product can be improved.
The present invention technical solution be：
A kind of preparation method of makrolon tailored version TiO 2 pigment, it is comprised the following steps that：
(1) the rutile titanium dioxide first product prepared using chlorination process, average grain diameter are prepared in 200~250nm, mashing
Into titania slurry, mass concentration is 20%~30%, and slurry pH value is adjusted to 9.0~11.0 with inorganic alkali lye；It is water-soluble
The addition of silicate solutions is with SiO2Account for TiO2Weight meter, 0.2%~0.5% water-soluble silicate solution is added as scattered
Agent, 20min~40min is cured, and carry out milled processed；
(2) slurry after grinding is warming up to 70 DEG C~90 DEG C, and this temperature is maintained in whole coating process；
(3) water-soluble silicate solution is disposably added, the addition of water-soluble silicate solution is with SiO2Account for TiO2Weight meter
For 1.0%~2.0%, 20min~30min is cured；Slurry pH value is maintained in 60min~120min with inorganic acid solution simultaneously
7.0, cure 30min~60min；
(4) in 30min~60min, the addition of water-soluble alkaline aluminum salt solution, wherein water-soluble alkaline aluminum salt solution is added
With Al2O3Account for TiO2Weight is calculated as 1.0%~3.0%, adds inorganic acid solution and maintains slurry pH value 7.0~8.0, cures 30min
~60min；
(5) slurry of curing in step (4) is washed till filter cake resistivity with 50 DEG C~80 DEG C deionized waters and is more than 15000 Ω
Cm, then be dried, the processing of vapour powder, obtain semi-finished product；
(6) under normal temperature, weigh the semi-finished product addition desalted water after a certain amount of vapour powder processing and be beaten on high speed dispersor, water
Starch concentration to control in 40%-60%, then add 0.5%~2% organic surface modifying agent amino modified polysiloxane and (account for TiO2
Weight meter), high speed dispersor revolution is adjusted to 1500rpm and carries out being beaten scattered, scattered 30min~120min at a high speed, then
By the slurry drying after processing, crush, makrolon tailored version TiO 2 pigment is made.
Further, step (1) and step (3) the water-soluble silicate solution are that sodium silicate solution or potassium silicate are molten
Liquid, concentration is with SiO2It is calculated as 100g/L~200g/L；
Further, step (3) and step (4) described inorganic acid solution are hydrochloric acid solution, sulfuric acid solution, salpeter solution, phosphoric acid
At least one of solution, the concentration of inorganic acid is 10%~20%.
Further, inorganic alkali lye is that solution is at least one in sodium hydroxide solution, potassium hydroxide in step (1).
Further, organic surface modifying agent described in step (6) is N- (2- aminoethyls) -3- aminopropyl trimethoxy silicon
Alkane.
Compared with prior art, the beneficial effects of the invention are as follows：
First product is aoxidized as the raw material for preparing target product using chloride process rutile type titanium dioxide, there is particle close to ball-type ratio
The features such as example is high, average grain diameter is small and size distribution is preferable.Combined using inorganic coating with organic coated item, wherein inorganic coating
First layer uses fine and close hydrated silica coating, effectively plugs the photochemistry point of product, ensures the excellent weatherability of product
Energy；The second layer uses hydrated alumina coating, ensure that the high covering of product and excellent dispersive property, then carries out organic table
Face modification, then be dried, gas powder processing, prepare eventually meet the field customer requirement have high brightness, high dispersive
Property, high-strength makrolon tailored version titanium dioxide product.The product can have extraordinary compatible with makrolon
Property, high gloss and toughness that makrolon possesses in itself are not only can guarantee that, and the mechanical property of product and anti-can be improved
Ageing properties.
Embodiment
The present invention is described further with reference to embodiment, but the application application of the present invention is not only
Embodiment is confined to, on the premise of the technology of the present invention thought is not departed from, the various replacements and change made all should be in the present invention
In the range of.
Embodiment 1.
1.1st, the rutile titanium dioxide first product powder 400g of chloridising preparation is weighed, first product average grain diameter is 200nm, and addition is gone
Ionized water is configured to the slurry that mass concentration is 20%, and whole coating process adopts pH meter detection slurry pH value, molten with sodium hydroxide
Liquid adjusts slurry pH to 9.0, adds sodium silicate solution, the concentration of sodium silicate solution is with SiO2100g/L is calculated as, adds 0.2% silicon
Acid sodium solution is (with SiO in sodium metasilicate2Account for TiO2Weight meter), 20min is cured, is ground processing；
1.2nd, the slurry after grinding is heated to 70 DEG C, and this temperature is maintained in whole coating process；
1.3rd, water-soluble metasilicate solution is disposably added, the addition of water-soluble metasilicate solution is with SiO2Account for TiO2Weight meter
For 1.0%, 20min is cured；Slurry pH value 7.0 is adjusted with 20% hydrochloric acid solution in 60min, cures 30min；
1.4th, in 60min, 3.0% is added (with Al2O3Account for TiO2Weight meter) water-soluble sodium aluminate solution, water-soluble inclined aluminium
The concentration of acid sodium solution is 100g/L, while maintains slurry pH value 7.0 with 20% hydrochloric acid solution, cures 60min；
1.5th, it is 15000 Ω cm the slurry cured in step 1.4 to be washed till into filter cake resistivity with 50 DEG C of deionized waters, is passed through
Filter, dry, then carry out vapour powder processing, titanium dioxide semi-finished product are made；
1.6th, under normal temperature, weigh the semi-finished product addition desalted water after a certain amount of vapour powder processing and be beaten on high speed dispersor,
Then slurry density control adds 0.5% organic surface modifying agent amino modified polysiloxane and (accounts for TiO 40%2Weight meter),
High speed dispersor revolution is adjusted to 1500rpm be beaten at a high speed and disperseed, disperses 30min, then dries the slurry after processing
Dry, crushing, is made makrolon tailored version TiO 2 pigment.
Embodiment 2
1.1st, the rutile titanium dioxide first product powder 400g of chloridising preparation is weighed, first product average grain diameter is 250nm, and addition is gone
Ionized water is configured to the slurry that mass concentration is 30%, and whole coating process adopts pH meter detection slurry pH value, molten with potassium hydroxide
Liquid adjusts slurry pH to 11.0, adds potassium silicate solution, the concentration of potassium silicate solution is with SiO2200g/L is calculated as, adds 0.5%
Sodium silicate solution is (with SiO in potassium silicate2Account for TiO2Weight meter), 40min is cured, is ground processing；
1.2nd, the slurry after grinding is heated to 90 DEG C, and this temperature is maintained in whole coating process；
1.3rd, water-soluble potassium silicate solution is disposably added, the addition of water-soluble potassium silicate solution is with SiO2Account for TiO2Weight meter
For 2.0%, 20min is cured；Slurry pH value 7.0 is adjusted with 10% sulfuric acid solution in 120min, cures 60min；
1.4th, in 30min, 1.0% is added (with Al2O3Account for TiO2Weight meter) water-soluble potassium metaaluminate solution, water-soluble inclined aluminium
The concentration of sour potassium solution is 200g/L, while maintains slurry pH to cure 30min 8.0 with 10% sulfuric acid solution；
1.5th, it is 15000 Ω cm the slurry cured in step 1.4 to be washed till into filter cake resistivity with 80 DEG C of deionized waters, is passed through
Filter, dry, then carry out vapour powder processing, titanium dioxide semi-finished product are made.
1.6th, under normal temperature, weigh the semi-finished product addition desalted water after a certain amount of vapour powder processing and beaten on high speed dispersor
Then slurry, slurry density control add 2.0% organic surface modifying agent amino modified polysiloxane and (account for TiO 60%2Weight
Meter), high speed dispersor revolution is adjusted to 1500rpm be beaten at a high speed and disperseed, disperses 120min, then by the slurry after processing
Material drying, crush, makrolon tailored version TiO 2 pigment is made.
Embodiment 3
1.1st, the rutile titanium dioxide first product powder 400g of chloridising preparation is weighed, first product average grain diameter is 240nm, and addition is gone
Ionized water is configured to the slurry that mass concentration is 25%, and whole coating process adopts pH meter detection slurry pH value, molten with sodium hydroxide
Liquid adjusts slurry pH to 10.5, adds sodium silicate solution, the concentration of sodium silicate solution is with SiO2It is calculated as 150g/L, sodium silicate solution
Addition with SiO in sodium metasilicate2Account for TiO2Weight is calculated as 0.3%, cures 30min, is ground processing；
1.2nd, the slurry after grinding is heated to 80 DEG C, and this temperature is maintained in whole coating process；
1.3rd, water-soluble metasilicate solution is disposably added, the addition of water-soluble metasilicate solution is with SiO2Account for TiO2Weight meter
For 1.5%, 30min is cured；Slurry pH value 7.0 is adjusted with 15% salpeter solution in 90min, cures 40min；
1.4th, in 45min, 2.0% is added (with Al2O3Account for TiO2Weight meter) water-soluble sodium aluminate solution, water-soluble inclined aluminium
The concentration of acid sodium solution is 150g/L, while maintains slurry pH to cure 40min 7.0 with 15% aluminum nitrate solution；
1.5th, it is 15000 Ω cm the slurry cured in step 1.4 to be washed till into filter cake resistivity with 60 DEG C of deionized waters, is passed through
Filter, dry, then carry out vapour powder processing, titanium dioxide semi-finished product are made；
1.6th, under normal temperature, weigh the semi-finished product addition desalted water after a certain amount of vapour powder processing and be beaten on high speed dispersor,
Then slurry density control adds 1.0% organic surface modifying agent amino modified polysiloxane and (accounts for TiO 50%2Weight meter),
High speed dispersor revolution is adjusted to 1500rpm be beaten at a high speed and disperseed, disperses 60min, then dries the slurry after processing
Dry, crushing, is made makrolon tailored version TiO 2 pigment.
Comparative example 1 does not carry out inorganic bag silicon
1.1st, the rutile titanium dioxide first product powder 400g of chloridising preparation is weighed, first product average grain diameter is 250nm, and addition is gone
Ionized water is configured to the slurry that mass concentration is 25%, and whole coating process adopts pH meter detection slurry pH value, molten with sodium hydroxide
Liquid adjusts slurry pH to 10.5, adds sodium silicate solution, the concentration of sodium silicate solution is with SiO2It is calculated as 150g/L, sodium silicate solution
Addition with SiO in sodium metasilicate2Account for TiO2Weight is calculated as 0.3%, cures 30min, is ground processing；
1.2nd, the slurry after grinding is heated to 80 DEG C, and this temperature is maintained in whole coating process；
1.3rd, in 45min, 2.0% is added (with Al2O3Account for TiO2Weight meter) water-soluble sodium aluminate solution, water-soluble inclined aluminium
The concentration of acid sodium solution is 150g/L, while maintains slurry pH to cure 40min 7.0 with 15% aluminum nitrate solution；
1.4th, it is 15000 Ω cm the slurry cured in step 1.3 to be washed till into filter cake resistivity with 60 DEG C of deionized waters, is passed through
Filter, dry, then carry out vapour powder processing, titanium dioxide semi-finished product are made；
1.5th, under normal temperature, weigh the semi-finished product addition desalted water after a certain amount of vapour powder processing and be beaten on high speed dispersor,
Then slurry density control adds 1.0% organic surface modifying agent amino modified polysiloxane and (accounts for TiO 50%2Weight meter),
High speed dispersor revolution is adjusted to 1500rpm be beaten at a high speed and disperseed, disperses 60min, then dries the slurry after processing
Dry, crushing, is made makrolon tailored version TiO 2 pigment.Comparative example 2 does not carry out organically-modified processing
1.1st, the rutile titanium dioxide first product powder 400g of chloridising preparation is weighed, first product average grain diameter is 240nm, and addition is gone
Ionized water is configured to the slurry that mass concentration is 25%, and whole coating process adopts pH meter detection slurry pH value, molten with sodium hydroxide
Liquid adjusts slurry pH to 10.5, adds sodium silicate solution, the concentration of sodium silicate solution is with SiO2It is calculated as 150g/L, sodium silicate solution
Addition with SiO in sodium metasilicate2Account for TiO2Weight is calculated as 0.3%, cures 30min, is ground processing；
1.2nd, the slurry after grinding is heated to 80 DEG C, and this temperature is maintained in whole coating process；
1.3rd, water-soluble metasilicate solution is disposably added, the addition of water-soluble metasilicate solution is with SiO2Account for TiO2Weight meter
For 1.5%, 30min is cured；Slurry pH value 7.0 is adjusted with 15% salpeter solution in 90min, cures 40min；
1.4th, in 45min, 2.0% is added (with Al2O3Account for TiO2Weight meter) water-soluble sodium aluminate solution, water-soluble inclined aluminium
The concentration of acid sodium solution is 150g/L, while maintains slurry pH to cure 40min 7.0 with 15% aluminum nitrate solution；
1.5th, it is 15000 Ω cm the slurry cured in step 1.4 to be washed till into filter cake resistivity with 60 DEG C of deionized waters, is passed through
Filter, dry, then carry out vapour powder processing, titanium dioxide product is made.
Comparative example 3 is modified with modified polyorganosiloxane containing methyl
1.1st, the rutile titanium dioxide first product powder 400g of chloridising preparation is weighed, first product average grain diameter is 240nm, and addition is gone
Ionized water is configured to the slurry that mass concentration is 25%, and whole coating process adopts pH meter detection slurry pH value, molten with sodium hydroxide
Liquid adjusts slurry pH to 10.5, adds sodium silicate solution, the concentration of sodium silicate solution is with SiO2It is calculated as 150g/L, sodium silicate solution
Addition with SiO in sodium metasilicate2Account for TiO2Weight is calculated as 0.3%, cures 30min, is ground processing；
1.2nd, the slurry after grinding is heated to 80 DEG C, and this temperature is maintained in whole coating process；
1.3rd, water-soluble metasilicate solution is disposably added, the addition of water-soluble metasilicate solution is with SiO2Account for TiO2Weight meter
For 1.5%, 30min is cured；Slurry pH value 7.0 is adjusted with 15% salpeter solution in 90min, cures 40min；
1.4th, in 45min, 2.0% is added (with Al2O3Account for TiO2Weight meter) water-soluble sodium aluminate solution, water-soluble inclined aluminium
The concentration of acid sodium solution is 150g/L, while maintains slurry pH to cure 40min 7.0 with 15% aluminum nitrate solution；
1.5th, it is 15000 Ω cm the slurry cured in step 1.4 to be washed till into filter cake resistivity with 60 DEG C of deionized waters, is passed through
Filter, dry, then carry out vapour powder processing, titanium dioxide semi-finished product are made；
1.6th, under normal temperature, weigh the semi-finished product addition desalted water after a certain amount of vapour powder processing and be beaten on high speed dispersor,
Then slurry density control adds 1.0% organic surface modifying agent modified polyorganosiloxane containing methyl and (accounts for TiO 50%2Weight
Meter), high speed dispersor revolution is adjusted to 1500rpm be beaten at a high speed and disperseed, disperses 60min, then by the slurry after processing
Material drying, crush, makrolon tailored version TiO 2 pigment is made.
TiO 2 pigment and makrolon (PC) prepared by embodiment 1~3, comparative example 1~3 is prepared into 40% respectively
Masterbatch detects melt index, and 40% Masterbatch is prepared into 2% injection batten, and test bars brightness, form and aspect, shock resistance are strong
Degree and tensile strength etc..
Table 1 is for the index of correlation of product in embodiment and using index.
It can be seen that from the contrast of the embodiment 1- embodiments 3 of table 1：Above three sample application index whiteness, form and aspect, melting refer to
The indicator difference very little such as number, mechanical property.
It can be seen that in comparative example 1 and the comparison result of embodiment 3：Inorganic bag silicon fiml is to product tensile strength, impact strength
There is certain influence Deng mechanical index.
Comparative example 2,3 can be seen that with the comparison result of embodiment 3：Using modified polyorganosiloxane containing methyl to reducing makrolon
Degraded, improving product whiteness and mechanical strength has certain effect, but the ratio of the modified polyorganosiloxane containing amino is modified poly- silicon containing methyl
Oxygen alkane effect is more preferable, and the TiO 2 pigment after processing and makrolon compatibility are more preferable, to reducing makrolon degraded, improves
Product whiteness and mechanical strength play the role of prominent.
As can be seen here, the TiO 2 pigment produced according to the preparation method of the present invention is applied in makrolon, is solved
Ordinary titanium powder is because adding TiO2Trigger the poly- xanthochromia of makrolon degraded, cause the mechanical properties decrease of product is serious to ask
Topic.
The specific embodiment of the present invention is these are only, is not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (4)
1. a kind of preparation method of makrolon tailored version TiO 2 pigment, it is characterized in that：
Comprise the following steps that：
(1) the rutile titanium dioxide first product prepared using chlorination process, average grain diameter are prepared in 200~250nm, mashing
Into titania slurry, mass concentration is 20%~30%, and slurry pH value is adjusted to 9.0~11.0 with inorganic alkali lye；It is water-soluble
The addition of silicate solutions is with SiO2Account for TiO2Weight meter, 0.2%~0.5% water-soluble silicate solution is added as scattered
Agent, 20min~40min is cured, and carry out milled processed；
(2) slurry after grinding is warming up to 70 DEG C~90 DEG C, and this temperature is maintained in whole coating process；
(3) water-soluble silicate solution is disposably added, the addition of water-soluble silicate solution is with SiO2Account for TiO2Weight is calculated as
1.0%~2.0%, cure 20min~30min；Slurry pH value is maintained in 60min~120min with inorganic acid solution simultaneously
7.0, cure 30min~60min；
(4) in 30min~60min, the addition of water-soluble alkaline aluminum salt solution, wherein water-soluble alkaline aluminum salt solution is added
With Al2O3Account for TiO2Weight is calculated as 1.0%~3.0%, adds inorganic acid solution and maintains slurry pH value 7.0~8.0, cures 30min
~60min；
(5) slurry of curing in step (4) is washed till filter cake resistivity with 50 DEG C~80 DEG C deionized waters and is more than 15000 Ω
Cm, then be dried, the processing of vapour powder, obtain semi-finished product；
(6) under normal temperature, the semi-finished product after the processing of vapour powder is added into desalted water and are beaten on high speed dispersor, slurry density control
System (accounts for TiO in 40%-60%, then 0.5%~2% organic surface modifying agent amino modified polysiloxane of addition2Weight meter),
High speed dispersor revolution is adjusted to 1500rpm progress and is beaten scattered, scattered 30min~120min at a high speed, then by after processing
Slurry drying, crush, makrolon tailored version TiO 2 pigment is made.
2. the preparation method of makrolon tailored version TiO 2 pigment according to claim 1, it is characterized in that：Step
(1) and step (3) the water-soluble silicate solution is sodium silicate solution or potassium silicate solution, and concentration is with SiO2It is calculated as 100g/L
~200g/L；
Further, step (3) and step (4) described inorganic acid solution are hydrochloric acid solution, sulfuric acid solution, salpeter solution, phosphoric acid
At least one of solution, the concentration of inorganic acid is 10%~20%.
3. the preparation method of makrolon tailored version TiO 2 pigment according to claim 1, it is characterized in that：Step
(1) inorganic alkali lye is that solution is at least one in sodium hydroxide solution, potassium hydroxide in.
4. the preparation method of makrolon tailored version TiO 2 pigment according to claim 1, it is characterized in that：Step
(6) organic surface modifying agent described in is N- (2- aminoethyls) -3- aminopropyl trimethoxysilanes.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109266049A (en) * | 2018-11-22 | 2019-01-25 | 中信钛业股份有限公司 | A kind of preparation method of coatings with high weatherability titanium dioxide pigment special |
| CN110655808A (en) * | 2018-12-21 | 2020-01-07 | 中信钛业股份有限公司 | Organic coating treatment method of titanium dioxide |
| CN111097550A (en) * | 2019-12-23 | 2020-05-05 | 安徽迪诺环保新材料科技有限公司 | Low-tungsten high-temperature denitration catalyst, carrier and preparation method |
| CN114539816A (en) * | 2021-12-20 | 2022-05-27 | 山东道恩钛业有限公司 | Preparation method of special titanium dioxide for high-melting filterable color master batches |
| CN114621607A (en) * | 2020-12-11 | 2022-06-14 | 中信钛业股份有限公司 | Preparation method of special titanium dioxide pigment for high-temperature-resistant general engineering plastics |
| CN117165060A (en) * | 2023-09-07 | 2023-12-05 | 江苏万纳普新材料科技有限公司 | Special modified material for polycarbonate and preparation method thereof |
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| CN109266049A (en) * | 2018-11-22 | 2019-01-25 | 中信钛业股份有限公司 | A kind of preparation method of coatings with high weatherability titanium dioxide pigment special |
| CN110655808A (en) * | 2018-12-21 | 2020-01-07 | 中信钛业股份有限公司 | Organic coating treatment method of titanium dioxide |
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| CN111097550A (en) * | 2019-12-23 | 2020-05-05 | 安徽迪诺环保新材料科技有限公司 | Low-tungsten high-temperature denitration catalyst, carrier and preparation method |
| CN114621607A (en) * | 2020-12-11 | 2022-06-14 | 中信钛业股份有限公司 | Preparation method of special titanium dioxide pigment for high-temperature-resistant general engineering plastics |
| CN114621607B (en) * | 2020-12-11 | 2023-06-06 | 中信钛业股份有限公司 | Preparation method of high-temperature-resistant special titanium dioxide pigment for general engineering plastics |
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