CN106893368A - A kind of preparation method of modified calcium carbonate filler - Google Patents
A kind of preparation method of modified calcium carbonate filler Download PDFInfo
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- CN106893368A CN106893368A CN201510971663.2A CN201510971663A CN106893368A CN 106893368 A CN106893368 A CN 106893368A CN 201510971663 A CN201510971663 A CN 201510971663A CN 106893368 A CN106893368 A CN 106893368A
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- Prior art keywords
- calcium carbonate
- reactor
- stearic acid
- coupling agent
- preparation
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- 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
-
- 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
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- 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
- C09C3/08—Treatment with low-molecular-weight non-polymer organic 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation method of modified calcium carbonate filler, comprise the following steps：1) calcium carbonate coarse fodder is put into grinding in ball mill, the calcium carbonate particle diameter after grinding is 2.5um；2) by the calcium carbonate addition reactor after grinding, solid content is configured to being added water in reactor and is the suspension of 5-10%, and the temperature in reactor is increased to 75-85 DEG C；3) start agitator to stir 10-15 minutes, stir speed (S.S.) is 400-500 revs/min, to addition stearic acid and titanate coupling agent in reactor in whipping process；4) suspension sedimentation after stirring, dehydration, drying, screening are obtained into finished product.Preparation method of the present invention, adds stearic acid and titanate coupling agent to be modified treatment in calcium carbonate, and stearic acid improves the rheological property of polymer composites materials, it is easy to process；Coupling agent improves the mechanical and physical performances such as tensile strength, impact strength, bending strength, the elongation of composite.
Description
Technical field
The present invention relates to pearl filler production and processing technical field, more particularly to a kind of carbon modified
The preparation method of sour calcium filler.
Background technology
Calcium carbonate raw material is wide, cheap, non-toxic, easy to use, be domestic and international yield and
One of maximum inorganic filler agent of consumption, mainly as plastics, rubber, coating, paint and
The inserts of the industries such as papermaking.The nonmetallic minerals such as powdered whiting, wollastonite are widely used as modeling
The filler of the polymer composites materials such as material, rubber.The chemical composition of these mineral fillers, crystalline substance
Body structure, granularity, grain shape, surface nature etc. determine its filling capacity.Modern New is high
Polymers based composites do not require nothing more than nonmetal mineral fillers to be had increment and reduces material cost
Effect, can more importantly improve packing material performance or with reinforcement and enhancing etc.
Function.
The content of the invention
The purpose of the present invention is directed to above-mentioned the problems of the prior art, there is provided a kind of modified calcium carbonate
The preparation method of filler, the method adds stearic acid and the titanate coupling agent to carry out in calcium carbonate
Modification, stearic acid improves the rheological property of polymer composites materials, it is easy to process；It is even
Connection agent improves the machineries such as tensile strength, impact strength, bending strength, the elongation of composite
Physical property.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of preparation method of modified calcium carbonate filler, comprises the following steps：
1) calcium carbonate coarse fodder is put into grinding in ball mill, the calcium carbonate particle diameter after grinding is
2.5um；
2) by the calcium carbonate addition reactor after grinding, it is configured to being added water in reactor solid
Content is the suspension of 5-10%, and the temperature in reactor is increased into 75-85 DEG C；
3) start agitator to stir 10-15 minutes, stir speed (S.S.) is 400-500 revs/min, is stirred
To addition stearic acid and titanate coupling agent in reactor during mixing；
4) suspension sedimentation after stirring, dehydration, drying, screening are obtained into finished product.
Further, the quality of the stearic acid and titanate coupling agent is calcium carbonate quality
0.8-1.2%.
Further, the quality of the stearic acid and titanate coupling agent is calcium carbonate quality
1%.
Further, the stearic acid and the mass ratio of titanate coupling agent are 7：3.
Beneficial effects of the present invention：A kind of preparation method of modified calcium carbonate filler, the method exists
Stearic acid and titanate coupling agent is added to be modified treatment in calcium carbonate, stearic acid improves high poly-
The rheological property of thing based composites, it is easy to process；The stretching that coupling agent improves composite is strong
The mechanical and physical performances such as degree, impact strength, bending strength, elongation.
Specific embodiment
Embodiment 1
A kind of preparation method of modified calcium carbonate filler, comprises the following steps：
1) calcium carbonate coarse fodder is put into grinding in ball mill, the calcium carbonate particle diameter after grinding is
2.5um；
2) by the calcium carbonate addition reactor after grinding, it is configured to being added water in reactor solid
Content is 5% suspension, and the temperature in reactor is increased into 75 DEG C；
3) start agitator to stir 15 minutes, stir speed (S.S.) is 400 revs/min, whipping process
It is middle in reactor add stearic acid and titanate coupling agent；Stearic acid and titanate coupling agent
Quality is the 0.8% of calcium carbonate quality, and stearic acid is 7 with the mass ratio of titanate coupling agent：3；
4) suspension sedimentation after stirring, dehydration, drying, screening are obtained into finished product.
Embodiment 2
A kind of preparation method of modified calcium carbonate filler, comprises the following steps：
1) calcium carbonate coarse fodder is put into grinding in ball mill, the calcium carbonate particle diameter after grinding is
2.5um；
2) by the calcium carbonate addition reactor after grinding, it is configured to being added water in reactor solid
Content is 10% suspension, and the temperature in reactor is increased into 85 DEG C；
3) start agitator to stir 10 minutes, stir speed (S.S.) is 500 revs/min, whipping process
It is middle in reactor add stearic acid and titanate coupling agent；Stearic acid and titanate coupling agent
Quality is the 1.2% of calcium carbonate quality, and stearic acid is 7 with the mass ratio of titanate coupling agent：3；
4) suspension sedimentation after stirring, dehydration, drying, screening are obtained into finished product.
Embodiment 3
A kind of preparation method of modified calcium carbonate filler, comprises the following steps：
1) calcium carbonate coarse fodder is put into grinding in ball mill, the calcium carbonate particle diameter after grinding is
2.5um；
2) by the calcium carbonate addition reactor after grinding, it is configured to being added water in reactor solid
Content is 5% suspension, and the temperature in reactor is increased into 80 DEG C；
3) start agitator to stir 12 minutes, stir speed (S.S.) is 450 revs/min, whipping process
It is middle in reactor add stearic acid and titanate coupling agent；Stearic acid and titanate coupling agent
Quality is the 1% of calcium carbonate quality, and stearic acid is 7 with the mass ratio of titanate coupling agent：3；
4) suspension sedimentation after stirring, dehydration, drying, screening are obtained into finished product.
A kind of preparation method of modified calcium carbonate filler, the method adds stearic acid in calcium carbonate
Treatment is modified with titanate coupling agent, stearic acid improves the rheology of polymer composites materials
Performance, it is easy to process；Coupling agent improves tensile strength, impact strength, the bending of composite
The mechanical and physical performances such as intensity, elongation.
Embodiment described above is only that the preferred embodiment of the present invention is described, and
It is non-that the spirit and scope of the present invention are defined.The premise of design concept of the present invention is not being departed from
Under, all variations and modifications that this area ordinary person makes to technical scheme,
Protection scope of the present invention should be dropped into.
Claims (4)
1. a kind of preparation method of modified calcium carbonate filler, it is characterised in that：Including following step
Suddenly：
1) calcium carbonate coarse fodder is put into grinding in ball mill, the calcium carbonate particle diameter after grinding is
2.5um；
2) by the calcium carbonate addition reactor after grinding, it is configured to being added water in reactor solid
Content is the suspension of 5-10%, and the temperature in reactor is increased into 75-85 DEG C；
3) start agitator to stir 10-15 minutes, stir speed (S.S.) is 400-500 revs/min, is stirred
To addition stearic acid and titanate coupling agent in reactor during mixing；
4) suspension sedimentation after stirring, dehydration, drying, screening are obtained into finished product.
2. according to a kind of preparation method of the modified calcium carbonate filler described in claim 1, its
It is characterised by：The quality of the stearic acid and titanate coupling agent is calcium carbonate quality
0.8-1.2%.
3. according to a kind of preparation method of the modified calcium carbonate filler described in claim 2, its
It is characterised by：The quality of the stearic acid and titanate coupling agent is the 1% of calcium carbonate quality.
4. according to a kind of preparation method of the modified calcium carbonate filler described in claim 3, its
It is characterised by：The stearic acid is 7 with the mass ratio of titanate coupling agent：3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971663.2A CN106893368A (en) | 2015-12-18 | 2015-12-18 | A kind of preparation method of modified calcium carbonate filler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971663.2A CN106893368A (en) | 2015-12-18 | 2015-12-18 | A kind of preparation method of modified calcium carbonate filler |
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| Publication Number | Publication Date |
|---|---|
| CN106893368A true CN106893368A (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510971663.2A Pending CN106893368A (en) | 2015-12-18 | 2015-12-18 | A kind of preparation method of modified calcium carbonate filler |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935490A (en) * | 2017-10-18 | 2018-04-20 | 广东鸿业管桩有限公司 | A kind of durability concrete encaustic tile |
| CN111019396A (en) * | 2019-12-06 | 2020-04-17 | 佛山众塑联供应链服务有限公司 | Preparation method of modified heavy calcium carbonate for PVC foamed sheet hard plastic product and modified heavy calcium carbonate |
| CN114196233A (en) * | 2021-11-30 | 2022-03-18 | 贺州市耀德粉体有限公司 | Surface wet treatment process of calcium carbonate |
| CN114276698A (en) * | 2021-12-30 | 2022-04-05 | 广西华纳新材料科技有限公司 | Preparation method of nano calcium carbonate for nail-free glue |
| CN114634720A (en) * | 2022-02-25 | 2022-06-17 | 泉州市旭丰粉体原料有限公司 | Preparation method and application of hydrophilic group activated calcium |
| CN116023802A (en) * | 2022-12-27 | 2023-04-28 | 池州市贵兴非矿新材料有限公司 | Modified heavy calcium carbonate with low oil absorption value |
-
2015
- 2015-12-18 CN CN201510971663.2A patent/CN106893368A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935490A (en) * | 2017-10-18 | 2018-04-20 | 广东鸿业管桩有限公司 | A kind of durability concrete encaustic tile |
| CN107935490B (en) * | 2017-10-18 | 2020-01-24 | 广东鸿业管桩有限公司 | Durable concrete encaustic tile |
| CN111019396A (en) * | 2019-12-06 | 2020-04-17 | 佛山众塑联供应链服务有限公司 | Preparation method of modified heavy calcium carbonate for PVC foamed sheet hard plastic product and modified heavy calcium carbonate |
| CN114196233A (en) * | 2021-11-30 | 2022-03-18 | 贺州市耀德粉体有限公司 | Surface wet treatment process of calcium carbonate |
| CN114276698A (en) * | 2021-12-30 | 2022-04-05 | 广西华纳新材料科技有限公司 | Preparation method of nano calcium carbonate for nail-free glue |
| CN114634720A (en) * | 2022-02-25 | 2022-06-17 | 泉州市旭丰粉体原料有限公司 | Preparation method and application of hydrophilic group activated calcium |
| CN116023802A (en) * | 2022-12-27 | 2023-04-28 | 池州市贵兴非矿新材料有限公司 | Modified heavy calcium carbonate with low oil absorption value |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170627 |