CN108359137A - A kind of preparation method of low bulk modified talc powder - Google Patents
A kind of preparation method of low bulk modified talc powder Download PDFInfo
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- CN108359137A CN108359137A CN201711479451.8A CN201711479451A CN108359137A CN 108359137 A CN108359137 A CN 108359137A CN 201711479451 A CN201711479451 A CN 201711479451A CN 108359137 A CN108359137 A CN 108359137A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- C08K3/32—Phosphorus-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
- 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
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
- C09C1/28—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
- C09C3/08—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
- C09C3/12—Treatment with organosilicon compounds
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
Abstract
The invention discloses a kind of preparation methods of low bulk modified talc powder, belong to talcum powder field, and the preparation method includes:Talcum powder is put into grinder, ethyl alcohol and additive are added into talcum powder every 20~40min in process of lapping by 5~8h of grinding;Ground talcum powder is put into homogenizer and stirs 10 40min, modifying agent is added into talcum powder in whipping process, the weight ratio of weight and talcum powder that modifying agent is added is (0.05~0.1):(1~2);The talcum powder after stirring is finally placed on dry 5~8h under conditions of temperature is 50~60 DEG C and obtains low bulk modified talc powder.After talcum powder after present invention preparation is used for the thermoplastic resins such as filled polypropylene, it is good with the compatibility of resin, it efficiently solves and disperses serious expansion, and the problem that mechanical property is bad occur after uneven and loading is big and resin material processing after talcum powder resin.
Description
Technical field
The present invention relates to talcum powder fields, especially relate to a kind of preparation method of low bulk modified talc powder.
Background technology
Talcum powder is a kind of mineral being made of laminar silicic acid salt crystal, molecular formula Mg3[Si4O10](OH)2, surface
There is hydrophilic radical, and is in polarity, and polymer majority has hydrophobicity, poor compatibility between the two;Thinner talcum powder, adds
More it is easy to reunite and finally influence the performance of filled polymer during work.In the prior art, in order to improve boundary between the two
Face combines, although carrying out surface modification to talcum powder, also with bulk, loading is big, blanking is difficult, dispersion is uneven and easy
The problems such as flying upward pollution working environment, and prepare polypropylene material, the obtained mechanics of materials using modified talcum powder
Performance is bad.
Invention content
The main object of the present invention is to provide a kind of preparation method of low bulk modified talc powder, so that talcum powder is had good
Compatibility with dispersibility.
In order to solve the above technical problems, the present invention uses following technical scheme:
A kind of preparation method of low bulk modified talc powder, includes the following steps:
S1:Talcum powder is put into grinder, 5~8h is ground, in process of lapping, every 20~40min to talcum powder
The weight ratio of middle addition ethyl alcohol and additive, weight and talcum powder that ethyl alcohol and additive are added every time is respectively (0.5~1):
(0.09~0.15):(1.5~2);
The additive be potassium tripolyphosphate, treated basalt fiber, phenolic resin by weight (1~2):(0.5~
1):(0.05~1) mixture formed.
S2:Ground talcum powder is put into homogenizer and stirs 10-40min, to cunning in whipping process
Modifying agent is added in mountain flour, the weight ratio of weight and talcum powder that modifying agent is added is (0.05~0.1):(1~2);
S3:Talcum powder after stirring is placed on dry 5~8h under conditions of temperature is 50~60 DEG C and obtains low bulk modification
Talcum powder.
Further, the rotating speed of grinder is 2000~2200rpm in the step S1.
Further, the volume-fraction concentration of ethyl alcohol is 60~90% in the step S1.
Further, after ethyl alcohol and additive being added every time in the step S1, dispersant is added, dispersant is added
Weight and the weight ratio of talcum powder are (0.05~0.08):(1~2).
Further, the dispersant is vinyl bis-stearamides.
Further, the rotating speed of the step S2 high speed blenders is 2500~3000rpm.
Further, the step S2 high speed blenders temperature be 70~100 DEG C under conditions of stir.
Further, modifying agent is added incessantly in whipping process in the step S2;The modifying agent is by silane
Coupling agent, acetic acid are by weight (0.1~0.5):(3~5) mix.
Further, in the step S2 acetic acid a concentration of 0.001mol/l~0.5mol/l.
Further, cool down 1~2h under conditions of being first placed on 10~20 DEG C before talcum powder drying in the step S3.
The invention has the advantages that:
1, after of the invention low bulk modified talc powder and polypropylene composite materials, manufactured composite materials property with it is low swollen
The dispersibility and low bulk modified talc powder of swollen modified talc powder and polyacrylic compatibility are proportional, and low bulk is modified
The mechanical property of talcum powder and polyacrylic composite material is better, and the dispersibility of low bulk modified talc powder is better, with polypropylene
Compatibility it is better;And the low bulk modified talc powder of the present invention, in the case where accounting is less, filled polypropylene is compounded to form
Instrument board still has preferable mechanical property, and it is preferable dispersed and compatible to further demonstrate that low bulk modified talc powder has
Property.
2, the present invention in potassium tripolyphosphate, treated basalt fiber, phenolic resin in preparing low bulk modified talc powder
With synergistic effect, collaboration improves bending strength, tensile strength and the hardness of material, reduces model and moulds shrinkage;This is because three
Treated basalt fiber and phenolic resin are merged in whipping process, change as chelating agent by PA 800K well
Property basalt fibre surface with the presence of cation and active function groups, make its surface with well loaded performance, to effectively solve
The problem of disperseing uneven and poor compatibility after talcum powder and the resin compounded of having determined;It can make during preparing talcum powder
Phenolic resin is fused in talcum powder well, improves the dispersibility of talcum powder;Improve the bending strength of material, tensile strength and
Hardness reduces model and moulds shrinkage.
Specific implementation mode
For ease of more fully understanding the present invention, it is illustrated by the following examples, these examples belong to the protection of the present invention
Range, but do not limit the scope of the invention.
In embodiment, a kind of preparation method of low bulk modified talc powder, includes the following steps:
S1:Talcum powder is put into the grinder that rotating speed is 2000~2200rpm, grinds 5~8h, in process of lapping,
Ethyl alcohol and additive are added into talcum powder every 20~40min, the weight and talcum powder of each addition ethyl alcohol and additive
Weight ratio is respectively (0.5~1):(0.09~0.15):(1.5~2);
After each addition ethyl alcohol and additive, dispersant is added, the weight of dispersant and the weight of talcum powder is added
Amount is than being (0.05~0.08):(1~2);
The dispersant is vinyl bis-stearamides
The volume-fraction concentration of the ethyl alcohol is 60~90%;
The additive be potassium tripolyphosphate, treated basalt fiber, phenolic resin by weight (1~2):(0.5~
1):(0.05~1) mixture formed.
S2:Ground talcum powder is put into homogenizer, temperature be 70~100 DEG C, rotating speed be 2500~
10-40min is stirred under the conditions of 3000rp m, modifying agent is added incessantly into talcum powder in whipping process, is added and is modified
The weight of agent and the weight ratio of talcum powder are (0.05~0.1):(1~2);
The modifying agent is by silane coupling agent, acetic acid by weight (0.1~0.5):(3~5) mix;
A concentration of 0.001mol/l~0.5mol/l of the acetic acid;
S3:Cool down 1~2h under conditions of talcum powder after stirring is placed on 10~20 DEG C, is then 50~60 in temperature
Dry 5~8h obtains low bulk modified talc powder under conditions of DEG C.
Embodiment 1
A kind of preparation method of low bulk modified talc powder, includes the following steps:
S1:Talcum powder is put into the grinder that rotating speed is 2000rpm, 5h is ground, in process of lapping, every 20min
Ethyl alcohol and additive are added into talcum powder, ethyl alcohol and the weight of additive is added every time and the weight ratio of talcum powder is respectively
0.5:0.09:1.5;
After each addition ethyl alcohol and additive, dispersant is added, the weight of dispersant and the weight of talcum powder is added
Amount is than being 0.05:1;
The dispersant is vinyl bis-stearamides
The volume-fraction concentration of the ethyl alcohol is 60%;
The additive be potassium tripolyphosphate, treated basalt fiber, phenolic resin by weight 1:0.5:0.05 group
At mixture.
S2:Ground talcum powder is put into homogenizer, under the conditions of temperature is 70 DEG C, rotating speed is 2500rpm
10min is stirred, modifying agent is added incessantly into talcum powder in whipping process, the weight and talcum powder of modifying agent is added
Weight ratio is 0.05:1;
The modifying agent is by silane coupling agent, acetic acid by weight 0.1:3 mix;
A concentration of 0.001mol/l of the acetic acid;
S3:Talcum powder after stirring is placed under conditions of 10 DEG C the 1h that cools down, then under conditions of temperature is 50 DEG C
Dry 5h obtains low bulk modified talc powder.
Embodiment 2
A kind of preparation method of low bulk modified talc powder, includes the following steps:
S1:Talcum powder is put into the grinder that rotating speed is 2100rpm, grinds 6.5h, in process of lapping, every
Ethyl alcohol and additive are added into talcum powder by 30min, and ethyl alcohol and the weight of additive and the weight score of talcum powder are added every time
It Wei 0.7:0.12:1.8;
After each addition ethyl alcohol and additive, dispersant is added, the weight of dispersant and the weight of talcum powder is added
Amount is than being 0.07:1.5;
The dispersant is vinyl bis-stearamides
A concentration of the 75% of the ethyl alcohol;
The additive be potassium tripolyphosphate, treated basalt fiber, phenolic resin by weight 1.5:0.7:0.07
The mixture of composition.
S2:Ground talcum powder is put into homogenizer, under the conditions of temperature is 80 DEG C, rotating speed is 2800rpm
25min is stirred, modifying agent is added incessantly into talcum powder in whipping process, the weight and talcum powder of modifying agent is added
Weight ratio is 0.08:1.5;
The modifying agent is by silane coupling agent, acetic acid by weight 0.3:4 mix;
A concentration of 0.25mol/l of the acetic acid;
S3:Talcum powder after stirring is placed under conditions of 15 DEG C the 1.5h that cools down, the condition for being then 55 DEG C in temperature
Lower dry 6.5h obtains low bulk modified talc powder.
Embodiment 3
A kind of preparation method of low bulk modified talc powder, includes the following steps:
S1:Talcum powder is put into the grinder that rotating speed is 2200rpm, 8h is ground, in process of lapping, every 40min
Ethyl alcohol and additive are added into talcum powder, it is respectively 1 that ethyl alcohol and the weight of additive and the weight ratio of talcum powder are added every time:
0.15:2;
After each addition ethyl alcohol and additive, dispersant is added, the weight of dispersant and the weight of talcum powder is added
Amount is than being 0.08:2;
The dispersant is vinyl bis-stearamides
A concentration of the 90% of the ethyl alcohol;
The additive be potassium tripolyphosphate, treated basalt fiber, phenolic resin by weight 2:1:1 composition mixes
Close object.
S2:Ground talcum powder is put into homogenizer, under the conditions of temperature is 100 DEG C, rotating speed is 3000rpm
40min is stirred, modifying agent is added incessantly into talcum powder in whipping process, the weight and talcum powder of modifying agent is added
Weight ratio is 0.1:2;
The modifying agent is by silane coupling agent, acetic acid by weight 0.5:5 mix;
A concentration of 0.5mol/l of the acetic acid;
S3:Talcum powder after stirring is placed under conditions of 20 DEG C the 2h that cools down, then under conditions of temperature is 60 DEG C
Dry 8h obtains low bulk modified talc powder.
Comparative example 1
The preparation process of the comparative example and embodiment 3 is essentially identical, has only the difference is that preparing low bulk modified talc powder
Step 2 in lack the addition of additive.
Comparative example 2
The preparation process of the comparative example and embodiment 3 is essentially identical, has only the difference is that preparing low bulk modified talc powder
Step 2 described in additive in lack potassium tripolyphosphate.
Comparative example 3
The preparation process of the comparative example and embodiment 3 is essentially identical, has only the difference is that preparing low bulk modified talc powder
Step 2 described in additive in lack phenolic resin.
Comparative example 4
The preparation process of the comparative example and embodiment 3 is essentially identical, has only the difference is that preparing low bulk modified talc powder
Step 2 described in additive in lack treated basalt fiber.
Test example
Using talcum powder as packing material filled polypropylene material, automobile then is made in filled polypropylene material
Instrument board;Ready talcum powder is divided into 8 equal portions, wherein 7 parts of talcum powder are to utilize embodiment 1-3 and comparative example 1-
Low bulk modified talc powder prepared by the preparation method of 4 low bulk modified talc powders, remaining portion are that Hangzhou Chongzhou City chemical industry is limited
The Imerys talcum powder of company's production, example as a contrast, using above-mentioned 8 equal portions talcum powder as packing material filled polypropylene material
Material, marks, and the polypropylene material after filling is made to the instrument board of automobile;Then performance is carried out to the instrument board of automobile
Detection;The fascia is the instrument board of same car model.Table 1 is fascia performance parameter.
Table 1
From the data of upper table embodiment 1-3 it is found that after low bulk modified talc powder and polypropylene composite materials, manufactured composite wood
Material mechanical property is with the dispersibility and low bulk modified talc powder of low bulk modified talc powder and polyacrylic compatibility at just
Than relationship, low bulk modified talc powder and the mechanical property of polyacrylic composite material are better, point of low bulk modified talc powder
Scattered property is better, better with polyacrylic compatibility;And the low bulk modified talc powder of the present invention is filled out in the case where accounting is less
It fills polypropylene composite materials and forms instrument board still with preferable mechanical property, it is dispersed and compatible to further demonstrate that talcum powder has
Property is preferable.
By embodiment 2 and the data of comparative example 1-4 it is found that potassium tripolyphosphate, treated basalt fiber in additive, phenol
Urea formaldehyde has a synergistic effect in preparing low bulk modified talc powder, collaboration improve the bending strength of material, tensile strength and
Hardness reduces model and moulds shrinkage;This is because potassium tripolyphosphate is as chelating agent, by treated basalt fiber in whipping process
It is merged well with phenolic resin, treated basalt fiber surface makes its table with the presence of cation and active function groups
Face has well loaded performance, to disperse uneven and poor compatibility ask after efficiently solving talcum powder and resin compounded
Topic;Can phenolic resin be fused in talcum powder well during preparing talcum powder, improve the dispersibility of talcum powder;
Bending strength, tensile strength and the hardness of material are improved, model is reduced and moulds shrinkage.
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 all shall be regarded as belonging to protection scope of the present invention.
Claims (10)
1. a kind of preparation method of low bulk modified talc powder, which is characterized in that include the following steps:
S1:Talcum powder is put into grinder, 5~8h is ground, in process of lapping, is added into talcum powder every 20~40min
Enter ethyl alcohol and additive, the weight ratio of weight and talcum powder that ethyl alcohol and additive are added every time is respectively (0.5~1):(0.09
~0.15):(1.5~2);
The additive be potassium tripolyphosphate, treated basalt fiber, phenolic resin by weight (1~2):(0.5~1):
(0.05~1) mixture formed.
S2:Ground talcum powder is put into homogenizer and stirs 10-40min, to talcum powder in whipping process
The weight ratio of middle addition modifying agent, weight and talcum powder that modifying agent is added is (0.05~0.1):(1~2);
S3:Talcum powder after stirring is placed on dry 5~8h under conditions of temperature is 50~60 DEG C and obtains low bulk modified talc
Powder.
2. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that grinder in the step S1
Rotating speed be 2000~2200rpm.
3. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that ethyl alcohol in the step S1
Volume-fraction concentration be 60~90%.
4. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that in the step S1 every time
After ethyl alcohol and additive is added, add dispersant, the weight ratio of weight and talcum powder that dispersant is added be (0.05~
0.08):(1~2).
5. the preparation method of low bulk modified talc powder as claimed in claim 4, which is characterized in that the dispersant is ethylene
Base bis-stearamides.
6. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that the step S2 high speeds
The rotating speed of blender is 2500~3000rpm.
7. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that the step S2 high speeds
Blender stirs under conditions of temperature is 70~100 DEG C.
8. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that stirred in the step S2
Modifying agent is added incessantly during mixing;The modifying agent is by silane coupling agent, acetic acid by weight (0.1~0.5):(3~
5) it mixes.
9. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that acetic acid in the step S2
A concentration of 0.001mol/l~0.5mol/l.
10. the preparation method of low bulk modified talc powder as described in claim 1, which is characterized in that sliding in the step S3
Cool down 1~2h under conditions of being first placed on 10~20 DEG C before mountain flour drying.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109867826A (en) * | 2018-12-30 | 2019-06-11 | 聊城大学 | A kind of preparation method of modification infusorial earth and its application in natural rubber |
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CN101033341A (en) * | 2007-04-13 | 2007-09-12 | 海城市鑫达矿业有限公司 | Special-purpose material for emulsion paint talcum powder |
CN101792536A (en) * | 2010-02-09 | 2010-08-04 | 沈阳工业大学 | Preparation method of carrier-free talcum powder master batch |
CN102731904A (en) * | 2012-05-11 | 2012-10-17 | 上海大学 | Enhanced master batch filled with modified talc powder, and preparation method thereof |
CN106398320A (en) * | 2016-08-31 | 2017-02-15 | 泉州市旭丰粉体原料有限公司 | Preparation method and application of high-modulus modified talcum powder |
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2017
- 2017-12-29 CN CN201711479451.8A patent/CN108359137A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101033341A (en) * | 2007-04-13 | 2007-09-12 | 海城市鑫达矿业有限公司 | Special-purpose material for emulsion paint talcum powder |
CN101792536A (en) * | 2010-02-09 | 2010-08-04 | 沈阳工业大学 | Preparation method of carrier-free talcum powder master batch |
CN102731904A (en) * | 2012-05-11 | 2012-10-17 | 上海大学 | Enhanced master batch filled with modified talc powder, and preparation method thereof |
CN106398320A (en) * | 2016-08-31 | 2017-02-15 | 泉州市旭丰粉体原料有限公司 | Preparation method and application of high-modulus modified talcum powder |
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CN109867826A (en) * | 2018-12-30 | 2019-06-11 | 聊城大学 | A kind of preparation method of modification infusorial earth and its application in natural rubber |
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Application publication date: 20180803 |