CN1927713A - Sodium decaborate solid phase polymerization production technology - Google Patents
Sodium decaborate solid phase polymerization production technology Download PDFInfo
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- CN1927713A CN1927713A CN 200610010113 CN200610010113A CN1927713A CN 1927713 A CN1927713 A CN 1927713A CN 200610010113 CN200610010113 CN 200610010113 CN 200610010113 A CN200610010113 A CN 200610010113A CN 1927713 A CN1927713 A CN 1927713A
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- China
- Prior art keywords
- sodium
- boric acid
- solid phase
- phase polymerization
- decaborate
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Abstract
The sodium decaborate solid phase polymerization technology belongs to the field of fine chemical technology. Sodium tetraborate and boric acid in certain ratio as materials are mixed and polymerized at 343-673 K to produce sodium decaborate. The product has simple substance boron content up to 24.9 %, and may be processed into fine powder with excellent low temperature dissolving performance and used as the foliage fertilizer for crop.
Description
Affiliated technical field
The present invention relates to a kind of production method of simple substance trace elements leaf fertilizer, belong to field of fine chemical.
Background technology
At present, generally acknowledge that best leaf sprayed boric fertilizer is the polymerization boric acid sodium salt that the solution concentration method is produced, major ingredient is Na
2B
8O
134H
2O, pure boron content 20～21%.This production method exists production technique long, and sodium ion can't quantitatively be removed, the deficiency of increasing energy consumption, and the very difficult product that obtains high-polymerization degree.
Summary of the invention:
In order to overcome the deficiency of solution concentration method, it is the technical scheme that the solid state polymerization of raw material is produced ten Sodium Tetraboratees that the present invention proposes with Na2B4O710H2O, H3BO3, and this method can reduce process procedure, reduce production energy consumption.The easy quantified controlling of the polymerization degree is produced the high-polymerization degree product.
The technical solution adopted for the present invention to solve the technical problems is: many Sodium Tetraboratees polymerization essence is in the presence of metal ion, the condensation of boric acid, boric acid can condensation be chain or the many boric acid of cyclic [XB2O3YH2O], and the general molecular formula of multi-borate should be [B2XO3X+1]
2-YH2O, boric acid is typical Louis mud acid simultaneously, has the character of coordination catalysis, polycoordination.Many boric acid can not stable existence in solution, but that many boric acid moves very much is fixed, discloses the primary condition that is incorporated as that the many Sodium Tetraboratees of high-polymerization degree obtain to have more reactants.Adopting Na2B4O710H2O, H3BO3 is raw material, ratio by weight 1: 1 fully mixes melting mixing under 343～373K condition, remove free-water and partial crystallization water, continue to be heated to 473～673K and remove whole crystal water, boric acid is finished the polycoordination reaction with the alternative crystal water position of the form of acid anhydrides, gets high-polymerization degree product ten Sodium Tetraborate Na2B10O16H2O.The boric acid acid anhydrides has very strong water-absorbent, solvability, make the polymerization Sodium Tetraborate be easy to instant and the high more instantly-soluble of the polymerization degree good more, the approaching more neutrality of solution.The invention has the beneficial effects as follows, ten Sodium Tetraboratees that success is synthetic-highly polymerized, the pure boron measured value reaches 24.9%, make product that new physicochemical property be arranged, the energy consumption of saving dissolving, evaporation is produced in the solid phase mixing polymerization, and product polymerization degree height is easy to quantize design control and produces the different polymerization degree product.
Embodiment
Select top grade sodium tetraborate, the boric acid of industrial content more than 99.5% for use, thorough mixing in the product of stirring by weight 1: 1 ratio, discharging sabot thickness is no more than 15mm, put into loft drier temperature control 343～373K frit reaction 15～25S, continue to be heated to 473～673K, 20～30s finishes the polycoordination reaction, or use vacuum rake type drying machine, the dehydration polyreaction is once finished in the slow heating of temperature control 450～650K that feeds intake, get bulk porous articles, expand 5-10 doubly before the volume ratio reaction, cool off trickle pulverizing and get product.
Claims (3)
1, it is directly boric acid or boron trioxide to be quantized design proportioning and sodium tetraborate blended method by product demand that ten Sodium Tetraboratees, solid polycondensation set are produced, and also is fit to the preparation of other multi-borate.
2, according to right 1 described ten Sodium Tetraboratees, it is characterized in that: in 343～373K fusion, 450～650K finished polycoordination and produces ten Sodium Tetraboratees under 473～673K or the reduced pressure by weight 1: 1 proportion scale for sodium tetraborate decahydrate, boric acid.
3, according to right 1 described ten Sodium Tetraboratees, molecular formula is N
A2B
10O
16H
2O is characterized in that [B
2XO
3X+1]
2-YH
2The general chemical formula of the multi-borate of O.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610010113 CN1927713A (en) | 2006-06-05 | 2006-06-05 | Sodium decaborate solid phase polymerization production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610010113 CN1927713A (en) | 2006-06-05 | 2006-06-05 | Sodium decaborate solid phase polymerization production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1927713A true CN1927713A (en) | 2007-03-14 |
Family
ID=37857872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610010113 Pending CN1927713A (en) | 2006-06-05 | 2006-06-05 | Sodium decaborate solid phase polymerization production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1927713A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265336A (en) * | 2013-05-10 | 2013-08-28 | 安徽省农望农业科技开发有限公司 | Potassium decaborate sodium salt fertilizer and preparation method thereof |
| CN103991879A (en) * | 2014-05-13 | 2014-08-20 | 重庆富地宝科技有限责任公司 | Preparation method for organic sodium borate |
| CN105152733A (en) * | 2015-10-29 | 2015-12-16 | 黄尚勋 | Manufacturing method of boron bridged polymerization water soluble fertilizer |
| CN108238609A (en) * | 2016-12-26 | 2018-07-03 | 中国科学院过程工程研究所 | A kind of preparation method of four water, eight Boratex |
| CN113773020A (en) * | 2021-09-22 | 2021-12-10 | 中国核动力研究设计院 | Curing agent, preparation method and treatment method of combustible technical waste |
-
2006
- 2006-06-05 CN CN 200610010113 patent/CN1927713A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265336A (en) * | 2013-05-10 | 2013-08-28 | 安徽省农望农业科技开发有限公司 | Potassium decaborate sodium salt fertilizer and preparation method thereof |
| CN103991879A (en) * | 2014-05-13 | 2014-08-20 | 重庆富地宝科技有限责任公司 | Preparation method for organic sodium borate |
| CN105152733A (en) * | 2015-10-29 | 2015-12-16 | 黄尚勋 | Manufacturing method of boron bridged polymerization water soluble fertilizer |
| CN108238609A (en) * | 2016-12-26 | 2018-07-03 | 中国科学院过程工程研究所 | A kind of preparation method of four water, eight Boratex |
| CN108238609B (en) * | 2016-12-26 | 2021-08-27 | 中国科学院过程工程研究所 | Preparation method of sodium octaborate tetrahydrate |
| CN113773020A (en) * | 2021-09-22 | 2021-12-10 | 中国核动力研究设计院 | Curing agent, preparation method and treatment method of combustible technical waste |
| CN113773020B (en) * | 2021-09-22 | 2022-10-11 | 中国核动力研究设计院 | Curing agent, preparation method and combustible technical waste treatment method |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |