CN105694246A - Preparation method of calcium carbonate special for butyl rubber - Google Patents
Preparation method of calcium carbonate special for butyl rubber Download PDFInfo
- Publication number
- CN105694246A CN105694246A CN201610218841.9A CN201610218841A CN105694246A CN 105694246 A CN105694246 A CN 105694246A CN 201610218841 A CN201610218841 A CN 201610218841A CN 105694246 A CN105694246 A CN 105694246A
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- Prior art keywords
- calcium carbonate
- slurry
- preparation
- raw material
- tank
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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
-
- 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
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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
-
- 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
- C08K3/346—Clay
-
- 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
-
- 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
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a preparation method of calcium carbonate special for butyl rubber. The preparation method includes steps: 1, selecting a calcium carbonate raw material, mixing the calcium carbonate raw material with talcum powder, pottery clay, muscovite and dispersant according to a proportion of 1:0.5-0.6:0.4-0.8:0.5-0.8 in a stirring tank to prepare slurry of 72% in solid content, and guiding the slurry into a buffering tank for standby use; 2, guiding the slurry in the buffering tank into a wet grinder for primary grinding, delivering the slurry into another wet grinder when 2-micrometer content reaches higher than 65%, adding fatty acid dispersant within 8%, and grinding to obtain calcium carbonate slurry of higher than 92% in 2-micrometer content; 3, storing the slurry ground well in a storage tank, spraying the slurry in the storage tank into a dryer for drying, subjecting calcium carbonate powder dried well to dust collection through a dust collector, and enabling the calcium carbonate powder after going through dust collection to enter the storage tank; 4, conveying a raw material in the storage tank into a crusher modification all-in-one machine, adding a modifier for modification, and performing grading, dust collecting and packaging through a grader. The preparation method has the advantages that calcium carbonate has good reinforcing effect and high wear resistance, tensile strength and stretching strength can be improved remarkably, and vulcanization speed is increased.
Description
Technical field
The preparation method that the present invention relates to a kind of calcium carbonate for special use, the especially preparation method of butyl rubber calcium carbonate for special use。
Background technology
In recent years, the white filler application in butyl rubber such as white carbon, Pulvis Talci, potter's clay get the nod, though wherein calcium carbonate reduces product cost when filling, but product percentage elongation and elastic impact is bigger, therefore limit and make consumption, this product is by effectively controlling particle diameter and the dispersion effect of calcium carbonate, substitute white carbon, Pulvis Talci, potter's clay, in height filling situation, cost is not only greatly reduced, and reinforcing effect is good, abrasion performance is high, can significantly improve hot strength and stress at definite elongation, raising curingprocess rate。
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of butyl rubber calcium carbonate for special use。
The present invention is achieved through the following technical solutions。
A kind of preparation method of butyl rubber calcium carbonate for special use, step includes:
1. selected calcium carbonate raw material, by calcium carbonate raw material and Pulvis Talci, potter's clay, white mica, that dispersant imports surge tank in the ratio of 1:0.5-0.6:0.4-0.8:0.5-0.8 after agitator tank is mixed and made into the slurry of solid content 72% is standby；
2. the slurry of surge tank is imported wet grinding mill primary and be ground to when 2 microns of content reach more than 65% in being input to another wet grinding mill, add the fatty acid dispersant regrinding within 8% and reach the calcium carbonate slurry on 2 microns of content 92%；
3. ground slurry being stored in holding vessel, then it is dry to be sprayed at by the slurry of holding vessel in dehydrator, dried calcium carbonate powder gathers dust storage tank through dust-precipitator；
4. will gather dust packaging through grader classification after modified for the feedstock transportation of holding vessel to pulverizer all-in-one adds modifier modification。
Beneficial effects of the present invention:
The present invention utilizes Pulvis Talci, potter's clay, white mica, calcium carbonate at the different attribute of butyl rubber, overcome Pulvis Talci hot strength and stress at definite elongation is good but reinforcing property is poor, potter's clay reinforcing effect more than calcium carbonate but cure efficiency is poor, calcium carbonate reinforcing effect is good but high fill time can reduce percentage elongation and elastic loss defect, cost is not only greatly reduced, and reinforcing effect is good, abrasion performance is high, can significantly improve hot strength and stress at definite elongation, raising curingprocess rate。
Detailed description of the invention
Below according to embodiment, the present invention is described in further detail。
The present invention, the preparation method of butyl rubber calcium carbonate for special use, step includes:
1. selected calcium carbonate raw material, by calcium carbonate raw material and Pulvis Talci, potter's clay, white mica, that dispersant imports surge tank in the ratio of 1:0.5-0.6:0.4-0.8:0.5-0.8 after agitator tank is mixed and made into the slurry of solid content 72% is standby；
2. the slurry of surge tank is imported wet grinding mill primary and be ground to when 2 microns of content reach more than 65% in being input to another wet grinding mill, add the fatty acid dispersant regrinding within 8% and reach the calcium carbonate slurry on 2 microns of content 92%；
3. ground slurry being stored in holding vessel, then it is dry to be sprayed at by the slurry of holding vessel in dehydrator, dried calcium carbonate powder gathers dust storage tank through dust-precipitator；
4. will gather dust packaging through grader classification after modified for the feedstock transportation of holding vessel to pulverizer all-in-one adds modifier modification。
The present invention, the preparation method of butyl rubber calcium carbonate for special use, utilize Pulvis Talci, potter's clay, white mica, calcium carbonate at the different attribute of butyl rubber, overcome Pulvis Talci hot strength and stress at definite elongation is good but reinforcing property is poor, potter's clay reinforcing effect more than calcium carbonate but cure efficiency is poor, calcium carbonate reinforcing effect is good but high fill time can reduce percentage elongation and elastic loss defect, cost is not only greatly reduced, and reinforcing effect is good, abrasion performance is high, can significantly improve hot strength and stress at definite elongation, raising curingprocess rate。
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow the personage being familiar with this art will appreciate that present invention and to be carried out, can not limit the scope of the invention with this。All equivalences made according to spirit of the invention change or modify, and all should be encompassed in protection scope of the present invention。
Claims (1)
1. the preparation method of a butyl rubber calcium carbonate for special use, it is characterised in that step includes:
(1). selected calcium carbonate raw material, by calcium carbonate raw material and Pulvis Talci, potter's clay, white mica, that dispersant imports surge tank in the ratio of 1:0.5-0.6:0.4-0.8:0.5-0.8 after agitator tank is mixed and made into the slurry of solid content 72% is standby；
(2). the slurry of surge tank is imported wet grinding mill primary and is ground to when 2 microns of content reach more than 65% in being input to another wet grinding mill, add the fatty acid dispersant regrinding within 8% and reach the calcium carbonate slurry on 2 microns of content 92%；
(3). ground slurry being stored in holding vessel, then it is dry to be sprayed at by the slurry of holding vessel in dehydrator, dried calcium carbonate powder gathers dust storage tank through dust-precipitator；
(4). will gather dust packaging through grader classification after modified for the feedstock transportation of holding vessel to pulverizer all-in-one adds modifier modification。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218841.9A CN105694246A (en) | 2016-04-07 | 2016-04-07 | Preparation method of calcium carbonate special for butyl rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218841.9A CN105694246A (en) | 2016-04-07 | 2016-04-07 | Preparation method of calcium carbonate special for butyl rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105694246A true CN105694246A (en) | 2016-06-22 |
Family
ID=56219689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610218841.9A Pending CN105694246A (en) | 2016-04-07 | 2016-04-07 | Preparation method of calcium carbonate special for butyl rubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105694246A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341798A (en) * | 2014-04-15 | 2015-02-11 | 池州市大恒生化有限公司 | Modified fine heavy calcium carbonate |
-
2016
- 2016-04-07 CN CN201610218841.9A patent/CN105694246A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341798A (en) * | 2014-04-15 | 2015-02-11 | 池州市大恒生化有限公司 | Modified fine heavy calcium carbonate |
Non-Patent Citations (1)
| Title |
|---|
| 徐应麟 主编: "《电线电缆手册2》", 30 April 2014, 机械工业出版社 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |
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| RJ01 | Rejection of invention patent application after publication |