CN104387806A - Preparation method of glycidol heavy calcium carbonate ultra-fine powder - Google Patents
Preparation method of glycidol heavy calcium carbonate ultra-fine powder Download PDFInfo
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- CN104387806A CN104387806A CN201410704878.3A CN201410704878A CN104387806A CN 104387806 A CN104387806 A CN 104387806A CN 201410704878 A CN201410704878 A CN 201410704878A CN 104387806 A CN104387806 A CN 104387806A
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- calcium carbonate
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Abstract
The invention relates to a preparation method of glycidol heavy calcium carbonate ultrafine powder. The preparation method is characterized by comprising the following steps: adding heavy calcium carbonate coarse powder into a grinding device, at 85-95 DEG C, adding an additive which accounts for 10-12 percentage by weight of heavy calcium carbonate coarse powder, grinding at a high speed to obtain modified calcium carbonate ultrafine powder of which the particle size is 0.1-10 microns, wherein the additive comprises the following components in parts by weight: 3-5 parts of glycidyl ether oxypropyl trimethoxy silane, 2-3 parts of ethoxy lauramide, 2-3 parts of an aluminate coupling agent, 5-8 parts of sodium carbonate and 5-8 parts of ethylene glycol. The preparation method has the advantages of scientific and reasonable design, simple process and low production cost and is safe and reliable, easy to control and convenient to operate and is suitable for mass production.
Description
Technical field
The invention belongs to a kind of production method of calcium carbonate powder.
Background technology
At present, calcium carbonate is widely used in papermaking, plastics, plastics film, chemical fibre, rubber, tackiness agent, sealing agent, daily-use chemical industry, makeup, building materials, coating, paint, ink, putty, sealing wax, putty, carpet veneer is packed, medicine, food is (as chewing gum, chocolate), in feed, its effect has: increase small product size, reduce costs, improve processing characteristics (as adjusting viscosity, rheological property, curability), improve dimensional stability, reinforcement or half reinforcement, improve printing performance, improve physicals (as thermotolerance, extinction, wear resistance, flame retardant resistance, whiteness, glossiness) etc.The technological process of production of water-ground limestone has two kinds.Dry technology for production flow process: the first calcite, Wingdale, chalk, shell etc. that ship from stone quarry of picking, to remove gangue; Then with crusher, coarse breaking is carried out to Wingdale, cover that (pendulum-type) abrasive dust is broken obtains microlith limestone flour again with thunder, finally carry out classification with grading machine to abrasive dust, the powder meeting granularity requirements is put in storage as the packing of product, otherwise returns pulverizing mill abrasive dust again.Wet process technique flow process: first dry method fine powder is made suspension and be placed in grinding machine and pulverize further, just obtained superfine heavy calcium carbonate after dehydration, drying.
Retrieve through Chinese publication, find calcium carbonate application for a patent for invention 53; Do not find the scheme identical with present patent application.
Summary of the invention
The object of the invention is to; A kind of contracting glycerine micropowder of dense calcium carbonate preparation method is proposed.
Contracting glycerine micropowder of dense calcium carbonate preparation method of the present invention, it is characterized in that: coarse heavy calcium carbonate powder is added in grinding plant, at 85 ~ 95 DEG C, with the weight percent meter of coarse heavy calcium carbonate powder, add the auxiliary agent of 10-12%, through speed lapping, obtained particle diameter is the modified superfine Paris white of 0.1 ~ 10 micron; Described auxiliary agent, by weight, glycidyl ether oxygen propyl trimethoxy silicane 3-5 part, oxyethyl group bay cruel amine 2-3 part, aluminate coupling agent 2-3 part, sodium carbonate 5-8 part, ethylene glycol 5-8 part forms.
The present invention compared with prior art its beneficial effect is: have design science reasonable, and technique is simple, safe reliability, is easy to control, easy to operate, is applicable to scale operation, the advantages such as production cost is low.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but embodiments of the present invention are not limited thereto.
Embodiment 1
Contracting glycerine micropowder of dense calcium carbonate preparation method of the present invention, it is characterized in that: coarse heavy calcium carbonate powder is added in grinding plant, at 85 ~ 95 DEG C, with the weight percent meter of coarse heavy calcium carbonate powder, add the auxiliary agent of 10-12%, through speed lapping, obtained particle diameter is the modified superfine Paris white of 0.1 ~ 10 micron; Described auxiliary agent, by weight, glycidyl ether oxygen propyl trimethoxy silicane 3-5 part, oxyethyl group bay cruel amine 2-3 part, aluminate coupling agent 2-3 part, sodium carbonate 5-8 part, ethylene glycol 5-8 part forms.
Embodiment 2
Contracting glycerine micropowder of dense calcium carbonate preparation method of the present invention, it is characterized in that: coarse heavy calcium carbonate powder is added in grinding plant, at 85 ~ 95 DEG C, with the weight percent meter of coarse heavy calcium carbonate powder, add the auxiliary agent of 10-12%, through speed lapping, obtained particle diameter is the modified superfine Paris white of 0.1 ~ 10 micron; Described auxiliary agent, by weight, glycidyl ether oxygen propyl trimethoxy silicane 3 parts, the cruel amine of oxyethyl group bay 3 parts, aluminate coupling agent 2 parts, sodium carbonate 5-8 part, ethylene glycol 5-8 part forms.
Embodiment 3
Contracting glycerine micropowder of dense calcium carbonate preparation method of the present invention, it is characterized in that: coarse heavy calcium carbonate powder is added in grinding plant, at 85 ~ 95 DEG C, with the weight percent meter of coarse heavy calcium carbonate powder, add the auxiliary agent of 10-12%, through speed lapping, obtained particle diameter is the modified superfine Paris white of 0.1 ~ 10 micron; Described auxiliary agent, by weight, glycidyl ether oxygen propyl trimethoxy silicane 5 parts, the cruel amine of oxyethyl group bay 2 parts, aluminate coupling agent 3 parts, sodium carbonate 5-8 part, ethylene glycol 5-8 part forms.
Product uses through client, and reaction effect is fine.
Claims (1)
1. a contracting glycerine micropowder of dense calcium carbonate preparation method, it is characterized in that: coarse heavy calcium carbonate powder is added in grinding plant, at 85 ~ 95 DEG C, with the weight percent meter of coarse heavy calcium carbonate powder, add the auxiliary agent of 10-12%, through speed lapping, obtained particle diameter is the modified superfine Paris white of 0.1 ~ 10 micron; Described auxiliary agent, by weight, glycidyl ether oxygen propyl trimethoxy silicane 3-5 part, oxyethyl group bay cruel amine 2-3 part, aluminate coupling agent 2-3 part, sodium carbonate 5-8 part, ethylene glycol 5-8 part forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704878.3A CN104387806A (en) | 2014-11-26 | 2014-11-26 | Preparation method of glycidol heavy calcium carbonate ultra-fine powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410704878.3A CN104387806A (en) | 2014-11-26 | 2014-11-26 | Preparation method of glycidol heavy calcium carbonate ultra-fine powder |
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| CN104387806A true CN104387806A (en) | 2015-03-04 |
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| CN201410704878.3A Pending CN104387806A (en) | 2014-11-26 | 2014-11-26 | Preparation method of glycidol heavy calcium carbonate ultra-fine powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221293A (en) * | 2016-08-05 | 2016-12-14 | 中玺新材料（安徽）有限公司 | A kind of mildew-resistant composite calcium carbonate and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087026A (en) * | 2014-06-06 | 2014-10-08 | 凤台县精华助剂有限公司 | Smooth-type surface-modified calcium carbonate and preparation method thereof |
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2014
- 2014-11-26 CN CN201410704878.3A patent/CN104387806A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087026A (en) * | 2014-06-06 | 2014-10-08 | 凤台县精华助剂有限公司 | Smooth-type surface-modified calcium carbonate and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221293A (en) * | 2016-08-05 | 2016-12-14 | 中玺新材料（安徽）有限公司 | A kind of mildew-resistant composite calcium carbonate and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150304 |