CN108505392A - The preparation method of nanomete talc powder - Google Patents
The preparation method of nanomete talc powder Download PDFInfo
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- CN108505392A CN108505392A CN201810278448.8A CN201810278448A CN108505392A CN 108505392 A CN108505392 A CN 108505392A CN 201810278448 A CN201810278448 A CN 201810278448A CN 108505392 A CN108505392 A CN 108505392A
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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
- C08K3/34—Silicon-containing compounds
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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
- C08K9/04—Ingredients treated with organic 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
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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- 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
- C09C1/28—Compounds of silicon
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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
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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
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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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
- C09C3/10—Treatment with macromolecular organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of preparation methods of modified Nano talcum powder, and nanomete talc powder is added to the water, and stir to obtain nanomete talc powder slurries；Slurries are delivered to surface treating machine, Cocoamidopropyl betaine is added and carries out the first subsurface modification；Modified obtained nanomete talc powder dry, pulverize and be classified, obtain nanomete talc powder powder by dehydration;Nanomete talc powder is delivered to high-speed mixer, it is uniform with castor oil polyoxyethylene ether blending surface inorganic agent high-speed stirred to be added saturated fatty acid saponification liquor, discharging, dries to get to modified Nano talcum powder.This method imparts the surface characteristic of nanomete talc powder hydrophobic oleophilic oil, prevents the interparticle reunion of talcum powder, by talcum powder quickly, be dispersed in organic system；The compatibility between talcum powder and other base materials can be improved simultaneously, this method of modifying is simple for process, cost is relatively low, energy consumption is low, industrialized production easy to implement.
Description
Technical field
The present invention relates to nano inorganic pigment preparing technical field, the preparation methods of specifically a kind of nanomete talc powder.
Background technology
Talcum powder is a kind of layered hydrous magnesium silicate, has good electrical insulation capability, heat resistance, mechanical performance, is made
The hot expansibility and mechanical property of composite material, talcum powder and strong acid can be improved by being added to for filler material in organic material
It does not all work generally with highly basic, there is good chemical stability；China's talcum powder deposit is abundant, cheap, it all
More characteristics determine that it is answered as filler material in fields such as electronic package material, military packaging material, automobile instrument, papermaking extensively
With.As product is finely miniaturized the continuous improvement of requirement in above-mentioned field, size to filler material and its with it is organic
Compatibility proposes higher demand between resin.
There is hydrophilic radical on its surface of nanomete talc powder, and is in polarity, and polymer majority has hydrophobicity, between the two
Poor compatibility；Simultaneously as the grain size of nanomete talc powder is smaller, it is easy to reunite and finally influence filled polymer in process
Performance.Therefore, it in order to improve interface cohesion between the two and improve the dispersibility of talcum powder, needs to use method appropriate
Surface modification is carried out to talcum powder.
The disclosure of background above technology contents is only used for inventive concept and the technical solution that auxiliary understands the present invention, not
The prior art for necessarily belonging to present patent application, no tangible proof show the above present patent application the applying date
In the case of having disclosed, above-mentioned background technology should not be taken to the novelty and creativeness of evaluation the application.
Invention content
The present invention for existing nanomete talc powder there are the problem of, provide a kind of polymolecularity, with organic matter compatibility it is good,
The preparation method of the good nanomete talc powder of stability.
In order to achieve the goal above, the technical solution adopted by the present invention is as follows：
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：Nanomete talc powder is added to the water, is uniformly mixed, the nanomete talc powder slurries that mass concentration is 15-25% are obtained；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, is heated to 50-70 DEG C, adds nanometer cunning
Mountain flour weight is the Cocoamidopropyl betaine of 1-3%, stirs 30-60min, and the first subsurface for completing nanomete talc powder changes
Property；
S3：The nanomete talc powder that step S2 is modified dry, pulverize and be classified, obtain nanomete talc powder powder by dehydration
Body;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 60-80 DEG C, is added
Saturated fatty acid saponification liquor and castor oil polyoxyethylene ether blending surface inorganic agent, the addition of wherein blending surface inorganic agent are
The 2-4% of nanomete talc powder weight, high-speed stirred is uniform, discharging, dry to get to modified Nano talcum powder.
Preferably, the specific surface area of the nanomete talc powder is 20-40 m2/g。
Preferably, stirring described in step S2 is stirred in the case where rotating speed is 100-300r/min.
Preferably, the drying described in step S3 and step S4 is dried in chain belt drying machine, and controlled at 80-100
℃。
Preferably, described crush is to be crushed to 200-600 mesh.
Preferably, the saturated fatty acid saponification liquor is one kind or more in sodium laurate, sodium palmitate and odium stearate
Kind composition.
Preferably, the saturated fatty acid saponification liquor is that saturated fatty acid is 70-90 DEG C in temperature with sodium hydroxide and issues
Saponification liquor obtained by raw saponification, the wherein dosage of sodium hydroxide are the 15-25% of saturated fatty acid quality.
Preferably, the volume ratio of saturated fatty acid saponification liquor and castor oil polyoxyethylene ether is 1-3:1.
Preferably, the high-speed stirred is to stir 5-10min in the case where rotating speed is 1000-1500r/min.
Compared with prior art, advantages of the present invention and benefit effect are：
1, the method for the present invention carries out one-time surface modification using Cocoamidopropyl betaine, then with saturated fatty acid saponification liquor and
Castor oil polyoxyethylene ether surface conditioning agent carries out second and is modified, and imparts the surface characteristic of talcum powder hydrophobic oleophilic oil, prevents
The interparticle reunion of talcum powder, can by talcum powder quickly, be dispersed in other systems；It simultaneously can be by fatty acid chain, amide
The groups such as group, ester group, alkyl ether groups are supported on nanomete talc powder surface, improve the phase between talcum powder and other base materials
Capacitive.
2, the method for the present invention is simple for process, cost is relatively low, energy consumption is low, industrialized production easy to implement.
3, modified Nano talcum powder provided by the invention have well dispersibility, compatibility is good, stability, can answer extensively
Used in technical fields such as papermaking, automobile, electronics, plastics.
Specific implementation mode
Invention is further described in detail With reference to embodiment.It is emphasized that following the description is only
It is merely exemplary, the range being not intended to be limiting of the invention and its application.
Embodiment 1
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：It is 27.8m by specific surface area2/ g nanomete talc powders are added to the water, and are uniformly mixed, and it is 20% to obtain mass concentration
Nanomete talc powder slurries；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, 60 DEG C is heated to, adds nanomete talc powder
The Cocoamidopropyl betaine that weight is 1.5% stirs 45min in the case where rotating speed is 150r/min, completes the of nanomete talc powder
One-time surface is modified；
S3：The nanomete talc powder that step S2 is modified dry, pulverize by dehydration at being 80 DEG C in chain belt dryer temperature
To 200 mesh, classification obtains nanomete talc powder powder;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 70 DEG C, adds volume
Than being 2:1 odium stearate and castor oil polyoxyethylene ether blending surface inorganic agent, the wherein addition of blending surface inorganic agent
It is the 3% of nanomete talc powder weight, stirs 10min in the case where rotating speed is 1000r/min, discharge, is 100 in chain belt dryer temperature
It is dried to get to modified Nano talcum powder at DEG C.
Embodiment 2
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：It is 35.1m by specific surface area2/ g nanomete talc powders are added to the water, and are uniformly mixed, and it is 18% to obtain mass concentration
Nanomete talc powder slurries；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, 70 DEG C is heated to, adds nanomete talc powder
The Cocoamidopropyl betaine that weight is 2.0% stirs 30min in the case where rotating speed is 250r/min, completes the of nanomete talc powder
One-time surface is modified；
S3：The nanomete talc powder that step S2 is modified dry, pulverize by dehydration at being 90 DEG C in chain belt dryer temperature
To 400 mesh, classification obtains nanomete talc powder powder;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 75 DEG C, adds volume
Than being 3:1 sodium laurate and castor oil polyoxyethylene ether blending surface inorganic agent, the wherein addition of blending surface inorganic agent
It is the 2.5% of nanomete talc powder weight, stirs 5min in the case where rotating speed is 1500r/min, discharge, is 90 in chain belt dryer temperature
It is dried to get to modified Nano talcum powder at DEG C.
Embodiment 3
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：It is 36.4m by specific surface area2/ g nanomete talc powders are added to the water, and are uniformly mixed, and it is 18% to obtain mass concentration
Nanomete talc powder slurries；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, 65 DEG C is heated to, adds nanomete talc powder
The Cocoamidopropyl betaine that weight is 3% stirs 40min in the case where rotating speed is 300r/min, completes the first of nanomete talc powder
Subsurface is modified；
S3：The nanomete talc powder that step S2 is modified is by dehydration, dry, powder at being 100 DEG C in chain belt dryer temperature
325 mesh are broken to, is classified, obtains nanomete talc powder powder;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 75 DEG C, adds volume
Than being 1:1 sodium laurate and castor oil polyoxyethylene ether blending surface inorganic agent, the wherein addition of blending surface inorganic agent
It is the 2% of nanomete talc powder weight, stirs 5min in the case where rotating speed is 1500r/min, discharge, is 100 DEG C in chain belt dryer temperature
Lower drying is to get to modified Nano talcum powder.
Embodiment 4
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：It is 21.7m by specific surface area2/ g nanomete talc powders are added to the water, and are uniformly mixed, and it is 25% to obtain mass concentration
Nanomete talc powder slurries；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, 50 DEG C is heated to, adds nanomete talc powder
The Cocoamidopropyl betaine that weight is 1% stirs 60min in the case where rotating speed is 100r/min, completes the first of nanomete talc powder
Subsurface is modified；
S3：The nanomete talc powder that step S2 is modified dry, pulverize by dehydration at being 90 DEG C in chain belt dryer temperature
To 600 mesh, classification obtains nanomete talc powder powder;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 80 DEG C, adds volume
Than being 3:1 sodium palmitate and castor oil polyoxyethylene ether blending surface inorganic agent, the wherein addition of blending surface inorganic agent
It is the 4% of nanomete talc powder weight, stirs 8min in the case where rotating speed is 1000r/min, discharge, is 90 DEG C in chain belt dryer temperature
Lower drying is to get to modified Nano talcum powder.
Embodiment 5
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：It is 39.6m by specific surface area2/ g nanomete talc powders are added to the water, and are uniformly mixed, and it is 20% to obtain mass concentration
Nanomete talc powder slurries；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, 70 DEG C is heated to, adds nanomete talc powder
The Cocoamidopropyl betaine that weight is 2.0% stirs 50min in the case where rotating speed is 200r/min, completes the of nanomete talc powder
One-time surface is modified；
S3：The nanomete talc powder that step S2 is modified dry, pulverize by dehydration at being 80 DEG C in chain belt dryer temperature
To 325 mesh, classification obtains nanomete talc powder powder;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 80 DEG C, adds volume
Than being 2:1 odium stearate and castor oil polyoxyethylene ether blending surface inorganic agent, the wherein addition of blending surface inorganic agent
It is the 3.5% of nanomete talc powder weight, stirs 10min in the case where rotating speed is 1200r/min, discharge, is 80 in chain belt dryer temperature
It is dried to get to modified Nano talcum powder at DEG C.
Embodiment 6
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：It is 27.8m by specific surface area2/ g nanomete talc powders are added to the water, and are uniformly mixed, and it is 20% to obtain mass concentration
Nanomete talc powder slurries；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, 55 DEG C is heated to, adds nanomete talc powder
The Cocoamidopropyl betaine that weight is 2% stirs 50min in the case where rotating speed is 200r/min, completes the first of nanomete talc powder
Subsurface is modified；
S3：The nanomete talc powder that step S2 is modified dry, pulverize by dehydration at being 95 DEG C in chain belt dryer temperature
To 600 mesh, classification obtains nanomete talc powder powder;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 80 DEG C, adds volume
Than being 3:1 odium stearate and castor oil polyoxyethylene ether blending surface inorganic agent, the wherein addition of blending surface inorganic agent
It is the 3.5% of nanomete talc powder weight, stirs 5min in the case where rotating speed is 1000r/min, discharge, is 95 in chain belt dryer temperature
It is dried to get to modified Nano talcum powder at DEG C.
Comparative example
A kind of preparation method of modified Nano talcum powder, includes the following steps：
S1：It is 27.8m by specific surface area2/ g nanomete talc powders are added to the water, and are uniformly mixed, and it is 20% to obtain mass concentration
Nanomete talc powder slurries；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, 55 DEG C is heated to, adds nanomete talc powder
The odium stearate that weight is 5.5% stirs 50min in the case where rotating speed is 200r/min, and the first subsurface for completing nanomete talc powder changes
Property；
S3：The nanomete talc powder that step S2 is modified dry, pulverize by dehydration at being 95 DEG C in chain belt dryer temperature
To 600 mesh, classification obtains nanomete talc powder powder.
Application Example
After pulp is diluted to about 2% concentration, the modified talc powder filler of 30% embodiment 1-6 is added（To over dry slurry）；
Paper-making process uses 0.1% cationic polyacrylamide（CPAM）/ bentonite（NaMMT）As double base retention Microparticle Retention System,
Rear rapid copy paper is stirred evenly, handmade paper quantifies 65g/m2.Paper is after equilibrium water conten for 24 hours, and method is surveyed according to national standards
Determine whiteness, opacity, tensile strength, burst index and the ink absorption of paper, measurement result is as shown in table 1.
Table 1：The application effect of modified talc powder prepared by the present invention in manufacture paper
It learns from test result, by the talcum powder that 1-6 of the embodiment of the present invention is modified, applies when paper manufactures, paper
Whiteness, opacity, tensile strength, burst index and ink absorption be substantially better than what comparative example was obtained using odium stearate
Talcum powder.The talcum powder that this method is modified have well dispersibility, it is good with the compatibility of plant fiber, can significantly carry
High paper so that paper is flexible more preferable, and paper surface is more smooth, while can significantly improve opacity, tensile strength and
The performances such as burst index.
It, cannot the above content is specific/preferred embodiment further description made for the present invention is combined
Assert that the specific implementation of the present invention is confined to these explanations.General technical staff of the technical field of the invention is come
It says, without departing from the inventive concept of the premise, some replacements or modification can also be made to the embodiment that these have been described,
And these are substituted or variant is regarded as belonging to the scope of protection of the present invention.
Claims (9)
1. a kind of preparation method of modified Nano talcum powder, it is characterised in that：Include the following steps：
S1：Nanomete talc powder is added to the water, is uniformly mixed, the nanomete talc powder slurries that mass concentration is 15-25% are obtained；
S2：Step S1 is obtained into nanomete talc powder slurries and is delivered to surface treating machine, is heated to 50-70 DEG C, adds nanometer cunning
Mountain flour weight is the Cocoamidopropyl betaine of 1-3%, stirs 30-60min, and the first subsurface for completing nanomete talc powder changes
Property；
S3：The nanomete talc powder that step S2 is modified dry, pulverize and be classified, obtain nanomete talc powder powder by dehydration
Body;
S4：The obtained nanomete talc powders of step S3 are delivered to high-speed mixer, control material temperature is 60-80 DEG C, is added
Saturated fatty acid saponification liquor and castor oil polyoxyethylene ether blending surface inorganic agent, the addition of wherein blending surface inorganic agent are
The 2-4% of nanomete talc powder weight, high-speed stirred is uniform, discharging, dry to get to modified Nano talcum powder.
2. the preparation method of modified Nano talcum powder according to claim 1, it is characterised in that：The nanomete talc powder
Specific surface area is 20-40 m2/g。
3. the preparation method of modified Nano talcum powder according to claim 1, it is characterised in that：Being stirred described in step S2 is
It is stirred in the case where rotating speed is 100-300r/min.
4. the preparation method of modified Nano talcum powder according to claim 1, it is characterised in that：Step S3 and step S4 institutes
The drying stated is dried in chain belt drying machine, and controlled at 80-100 DEG C.
5. the preparation method of modified Nano talcum powder according to claim 1, it is characterised in that：The crushing is to be crushed to
200-600 mesh.
6. the preparation method of modified Nano talcum powder according to claim 1, it is characterised in that：The saturated fatty acid soap
Change liquid is one or more compositions in sodium laurate, sodium palmitate and odium stearate.
7. the preparation method of modified Nano talcum powder according to claim 6, it is characterised in that：The saturated fatty acid soap
Change liquid be saturated fatty acid with sodium hydroxide be 70-90 DEG C in temperature at saponification liquor obtained by saponification, wherein hydrogen-oxygen occurs
The dosage for changing sodium is the 15-25% of saturated fatty acid quality.
8. the preparation method of modified Nano talcum powder according to claim 1, it is characterised in that：Saturated fatty acid saponification liquor
Volume ratio with castor oil polyoxyethylene ether is 1-3:1.
9. the preparation method of modified Nano talcum powder according to claim 1, it is characterised in that：The high-speed stirred be
Rotating speed is to stir 5-10min under 1000-1500r/min.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109374614A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | A method of based on periclase content in chemical method detection clinker |
| CN109374613A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | Periclase detection method of content in a kind of clinker |
| CN111690271A (en) * | 2020-06-12 | 2020-09-22 | 广西夏阳环保科技有限公司 | Preparation method of antibacterial high-dispersion talcum powder |
| US11118092B2 (en) | 2018-09-04 | 2021-09-14 | Saudi Arabian Oil Company | Synthetic layered magnesium silicates and their derivatives for high performance oil-based drilling fluids |
| US11414584B2 (en) | 2018-09-04 | 2022-08-16 | Saudi Arabian Oil Company | Viscosity supporting additive for water-based drilling and completions fluids |
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2018
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|---|---|---|---|---|
| US11118092B2 (en) | 2018-09-04 | 2021-09-14 | Saudi Arabian Oil Company | Synthetic layered magnesium silicates and their derivatives for high performance oil-based drilling fluids |
| US11414584B2 (en) | 2018-09-04 | 2022-08-16 | Saudi Arabian Oil Company | Viscosity supporting additive for water-based drilling and completions fluids |
| US11674069B2 (en) | 2018-09-04 | 2023-06-13 | Saudi Arabian Oil Company | Synthetic layered magnesium silicates and their derivatives for high performance oil-based drilling fluids |
| US11898084B2 (en) | 2018-09-04 | 2024-02-13 | Saudi Arabian Oil Company | Suspension supporting additive for water-based drilling and completions fluids |
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