CN104448938A - Production method of ultrafine active heavy calcium carbonate for adhesives - Google Patents
Production method of ultrafine active heavy calcium carbonate for adhesives Download PDFInfo
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- CN104448938A CN104448938A CN201410657436.8A CN201410657436A CN104448938A CN 104448938 A CN104448938 A CN 104448938A CN 201410657436 A CN201410657436 A CN 201410657436A CN 104448938 A CN104448938 A CN 104448938A
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- China
- Prior art keywords
- calcium carbonate
- production method
- surface treatment
- adhesives
- heavy calcium
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Abstract
The invention discloses a production method of ultrafine active heavy calcium carbonate for adhesives, relates to the technical field of production of adhesives and particularly relates to a production technology of active heavy calcium carbonate used as a raw material of adhesives. During production of ultrafine active heavy calcium carbonate for the adhesives, the improvement of the surface treatment process is characterized in that moisture is firstly removed from raw calcium carbonate powder having a certain degree of fineness and then a surface treatment agent is added for coating. Since active calcium carbonate subjected to surface treatment is hydrophobic, the content of moisture in raw active calcium carbonate powder with moisture removed is very low and can be less than 0.1%, which can meet the requirement of an adhesive product on the content of moisture in calcium carbonate. In addition, by the production method, the degree of activation of the product is increased.
Description
Technical field
The present invention relates to adhesive producing technical field, particularly adhesive raw materials---the production technology of active water-ground limestone.
Background technology
During adhesive products use super-fine active calcium carbide, require higher to moisture content in calcium carbonate, standard-required water ratio is not more than 0.2%, and general surface treatment process stably can not ensure that making moisture content in calcium carbonate also reaches above-mentioned requirements.
Summary of the invention
The present invention seeks to propose a kind ofly to ensure that the water ratio of ultrafine active heavy calcium carbonate is not more than the production method of 0.2%.
The present invention carries out coated with surface treatment agent after first former for calcium carbonate powder being carried out drying again.
In the production process of invention adhesive ultrafine active heavy calcium carbonate, effects on surface treating processes is improved, and first to the calcium carbonate of certain fineness former powder removing moisture content, and then adds surface treatment agent and carries out coated.Because the activated Calcium carbonate after surface treatment is hydrophobic, therefore, the activated Calcium carbonate moisture content removing moisture content in former powder is very low, water ratio can lower than 0.1%, the requirement of adhesive products to water content in calcium carbonate can be met, in addition, invention also improves the degree of activation of product.
In addition, the particle diameter carrying out the former powder of desiccant described calcium carbonate is D
97≤ 20 μm.This particle size can well balance the oil number of adhesive products and viscosity.
In addition, in order to ensure low-water-content further, after former for described calcium carbonate powder is first dried to water content < 0.2%, add surface treatment agent again.
The former powder of dried calcium carbonate is 1000:5 ~ 10 with the mixing quality ratio of surface treatment agent.This ratio can good coated caco3, can ensure processing characteristics again.
The concrete surface treatment agent of the present invention can adopt stearic acid etc.
Embodiment
One, production technique:
By 1000kg, particle diameter D
97the former powder of calcium carbonate of≤20 μm joins in activator, through heating and high-speed stirring 3 ~ 5 minutes, makes calcium carbonate water ratio lower than 0.2%, then, then adds 5 ~ 10kg surface treatment agent, is stirred to discharging when temperature reaches 120 DEG C ~ 130 DEG C.
Two, product data contrast:
The product that product the inventive method obtained and art methods are made carries out degree of activation and water cut test respectively, the results are shown in following table:
Conclusion: the product water ratio after improvement is low, active high, can meet the production requirement of adhesive products.
Claims (5)
1. the production method of tackiness agent ultrafine active heavy calcium carbonate, carries out coated with surface treatment agent after it is characterized in that first former for calcium carbonate powder being carried out drying again.
2. production method according to claim 1, is characterized in that the particle diameter of the former powder of described calcium carbonate is D
97≤ 20 μm.
3. production method according to claim 1, adds surface treatment agent after it is characterized in that former for described calcium carbonate powder is first dried to water content < 0.2% again.
4. production method according to claim 1, is characterized in that the mixing quality of the former powder of dried calcium carbonate and surface treatment agent is than being 1000:5 ~ 10.
5. production method according to claim 1, is characterized in that described surface treatment agent is stearic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657436.8A CN104448938A (en) | 2014-11-18 | 2014-11-18 | Production method of ultrafine active heavy calcium carbonate for adhesives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657436.8A CN104448938A (en) | 2014-11-18 | 2014-11-18 | Production method of ultrafine active heavy calcium carbonate for adhesives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104448938A true CN104448938A (en) | 2015-03-25 |
Family
ID=52895723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410657436.8A Pending CN104448938A (en) | 2014-11-18 | 2014-11-18 | Production method of ultrafine active heavy calcium carbonate for adhesives |
Country Status (1)
| Country | Link |
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| CN (1) | CN104448938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885471A (en) * | 2016-04-07 | 2016-08-24 | 安徽江东科技粉业有限公司 | Preparation method of paste calcium carbonate for papermaking |
Citations (8)
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|---|---|---|---|---|
| CN1723173A (en) * | 2002-12-11 | 2006-01-18 | 索尔维化学有限公司 | Ultra-dry calcium carbonate |
| CN101220216A (en) * | 2007-12-18 | 2008-07-16 | 福建师范大学 | Method for producing inorganic powder body with 'nucleus-shell' structure by surface modification |
| CN101475759A (en) * | 2009-01-21 | 2009-07-08 | 山东海泽纳米材料有限公司 | Practical method for preparing high thixotropy surface treating nano calcium carbonate |
| JP2009537321A (en) * | 2006-05-24 | 2009-10-29 | コアテツクス・エス・アー・エス | Method for dry grinding of materials containing carbonate ore |
| CN102702795A (en) * | 2012-05-02 | 2012-10-03 | 石家庄市三兴钙业有限公司 | Preparation method of special nano calcium carbonate for polyurethane adhesives |
| WO2013030178A1 (en) * | 2011-08-31 | 2013-03-07 | Omya Development Ag | Self-binding pigment hybrid |
| CN103534545A (en) * | 2011-04-15 | 2014-01-22 | Omya国际股份公司 | Method for drying wet particulate matter, wherein the dried particulate matter is a white mineral having a brightness ry of at least 65% that forms particulate matter through drying in direct superheated steam dryer |
| CN103613955A (en) * | 2013-11-29 | 2014-03-05 | 芮城新泰纳米材料有限公司 | Method for preparing special nano calcium carbonate (nano-CaCO3) for vehicle adhesive |
-
2014
- 2014-11-18 CN CN201410657436.8A patent/CN104448938A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1723173A (en) * | 2002-12-11 | 2006-01-18 | 索尔维化学有限公司 | Ultra-dry calcium carbonate |
| JP2009537321A (en) * | 2006-05-24 | 2009-10-29 | コアテツクス・エス・アー・エス | Method for dry grinding of materials containing carbonate ore |
| CN101220216A (en) * | 2007-12-18 | 2008-07-16 | 福建师范大学 | Method for producing inorganic powder body with 'nucleus-shell' structure by surface modification |
| CN101475759A (en) * | 2009-01-21 | 2009-07-08 | 山东海泽纳米材料有限公司 | Practical method for preparing high thixotropy surface treating nano calcium carbonate |
| CN103534545A (en) * | 2011-04-15 | 2014-01-22 | Omya国际股份公司 | Method for drying wet particulate matter, wherein the dried particulate matter is a white mineral having a brightness ry of at least 65% that forms particulate matter through drying in direct superheated steam dryer |
| US20140310979A1 (en) * | 2011-04-15 | 2014-10-23 | Olav Bergset | Method for drying wet particulate matter, wherein the dried particulate matter is a white mineral having a brightness ry of at least 65% that forms particulate matter through drying in direct superheated steam dryer |
| WO2013030178A1 (en) * | 2011-08-31 | 2013-03-07 | Omya Development Ag | Self-binding pigment hybrid |
| CN102702795A (en) * | 2012-05-02 | 2012-10-03 | 石家庄市三兴钙业有限公司 | Preparation method of special nano calcium carbonate for polyurethane adhesives |
| CN103613955A (en) * | 2013-11-29 | 2014-03-05 | 芮城新泰纳米材料有限公司 | Method for preparing special nano calcium carbonate (nano-CaCO3) for vehicle adhesive |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885471A (en) * | 2016-04-07 | 2016-08-24 | 安徽江东科技粉业有限公司 | Preparation method of paste calcium carbonate for papermaking |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 225253 Jiangsu Province, Yangzhou city Jiangdu District Wu Jian Zhen Industrial Park Applicant after: JIANGSU QUNXIN POWDER TECHNOLOGY CO., LTD. Address before: 225253 Jiangsu Province, Yangzhou city Jiangdu District Wu Jian Zhen Industrial Park Applicant before: JIANGSU QUNXIN POWDER MATERIAL CO., LTD. |
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| COR | Change of bibliographic data | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |