CN104402203A - Preparing technology of high-balling-rate hollow glass microbead - Google Patents
Preparing technology of high-balling-rate hollow glass microbead Download PDFInfo
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- CN104402203A CN104402203A CN201410530679.5A CN201410530679A CN104402203A CN 104402203 A CN104402203 A CN 104402203A CN 201410530679 A CN201410530679 A CN 201410530679A CN 104402203 A CN104402203 A CN 104402203A
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- Prior art keywords
- hollow glass
- organosilicon
- waterproofing agent
- spraying
- glass microbead
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/10—Forming beads
- C03B19/1005—Forming solid beads
- C03B19/106—Forming solid beads by chemical vapour deposition; by liquid phase reaction
- C03B19/1065—Forming solid beads by chemical vapour deposition; by liquid phase reaction by liquid phase reactions, e.g. by means of a gel phase
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a preparing technology of a high-balling-rate hollow glass microbead. The preparing technology includes following particular steps: (1) mixing boric acid, potassium hydroxide, sodium hydroxide, calcium hydroxide and water according to a mass mixing proportion of 1:0.05-0.2:0.2-0.5:0.05-0.1:5-8 to obtain a borate auxiliary solution; (2) adding an organic silicon waterproof agent to the borate auxiliary solution and then adding the mixture of the organic silicon waterproof agent and the borate auxiliary solution to a sodium silicate solution being stirred in a manner of spraying, and finally carrying out a grinding process to obtain a colloid; (3) feeding the colloid to a low-temperature spraying column to perform a primary spraying drying process at 120-200 DEG C to obtain a hollow glass microbead semi-product; (4) feeding the hollow glass microbead semi-product to a high-temperature spraying column to perform a secondary spraying drying process at 300-450 DEG C with addition of the organic silicon waterproof agent in a manner of spraying with an addition amount of the organic silicon waterproof agent being 1.4-1.6 times of the adding amount of the first addition to obtain the hollow glass microbead being high in balling rate and being subjected to hydrophobic treatment. The hollow glass microbead prepared through the technology is high in the balling rate which can reach higher than 90%.
Description
Technical field
That the present invention relates to is a kind of preparation technology of hollow glass micropearl.
Background technology
Hollow glass micropearl is the small hollow glass spheroid of a kind of size, belongs to ceramic.Chemical composition is mainly silicon, boron, calcium, potassium, sodium, oxygen etc.Typical particle diameter scope 5-200 micron, tap density 100-300kg/m
3, there is the advantages such as light weight, low heat conduction, sound insulation, high dispersive, electrical insulating property and Heat stability is good, the novel light material of a kind of of many uses, the excellent performance being that development in recent years is got up.The key technical index of hollow glass micropearl in preparation process is its balling ratio, and balling ratio is more high better, and the ratio that the high i.e. representative of balling ratio has the glass microballon of certain hollow rate is high, and the salient features of product is all right, but prior art does not accomplish this point.The patent No. 201010108307.5 of applying on February 10th, 2010 if any applicant, the patent of invention of patent name " hydrophobic hollow glass micropearl preparation method and prepared hydrophobic hollow glass micropearl ", though this patent better solves the technical problem that hydrophobic hollow glass micropearl is successfully prepared, but the balling ratio of hollow glass micropearl in preparation process is the highest can only reach 82%, and balling ratio is on the low side.Further, though have much about the patent of hollow glass micropearl both at home and abroad, but not relevant with improving hollow glass micropearl balling ratio related data.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to be to provide a kind of hollow glass micropearl preparation technology that can improve hollow glass micropearl balling ratio.
For solving the problems of the technologies described above, the present invention takes following technical scheme to realize:
High balling ratio hollow glass micropearl preparation technology, it is characterized in that comprising following concrete steps: first boric acid, potassium hydroxide, sodium hydroxide, calcium hydroxide, water are mixed according to the mass ratio of 1: 0.05 ~ 0.2: 0.2 ~ 0. 5: 0.05 ~ 0.1: 5 ~ 8, make it be dissolved into clear shape completely, obtain borate assisted solution; Then being added by waterproofing agent of organosilicon in obtained borate assisted solution is added in the sodium silicate water glass of stirring in the mode of spraying again, colloid is formed finally by grinding, the quality consumption of described sodium silicate water glass is 10 ~ 20 times of boric acid quality, and the quality that adds of described waterproofing agent of organosilicon is that sodium silicate water glass adds 0.1 ~ 0.15% of quality; Again obtained colloid is delivered in cold nebulization tower at 120 ~ 200 DEG C of temperature, carries out a spraying dry, hollow glass micropearl work in-process spraying dry obtained are delivered in high-temperature spray tower and carry out secondary spraying dry at 300 ~ 450 DEG C of temperature, at the spray-dired back segment of secondary, by 1.4 ~ 1.6 times first time add-on waterproofing agent of organosilicon add with spray pattern, obtain the hollow glass micropearl finished product of high balling ratio and surface hydrophobic process; Described waterproofing agent of organosilicon is at least one in aminopropyl triethoxysilane, γ mono-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, methyl silicon sodium alcoholate.
The main difference of the technical scheme of the technical solution used in the present invention and background technology Patent is, 1. replace lithium hydroxide with sodium hydroxide, improve the stability of borate assisted solution, join together in sodium silicate water glass after adding a certain amount of waterproofing agent of organosilicon in borate assisted solution simultaneously, waterproofing agent of organosilicon carries out modification to the microparticle surfaces reacting generation in solution, improves the water tolerance of hollow glass micropearl; 2. first colloid carries out the presoma of a spraying dry formation hollow glass micropearl under 120 ~ 200 DEG C of low temperature, and this presoma contains the various composition of composition glass microballon ball shell and labile nitrate, and xln is not damaged; 3. presoma is carried out secondary spraying dry under 300 ~ 450 DEG C of high temperature, presoma is softening forms glass drop, nitrates decompose releases gas makes glass liquid drip expansion form hollow glass micropearl, because glass microballon presoma obtains modification in early stage, spherical shell softening temperature can be made consistent with nitrates decompose temperature, spherical shell is not damaged so can obtain high balling ratio, and balling ratio can reach 90%; After balling-up, by again adding of waterproofing agent of organosilicon, surface treatment is carried out to hollow glass micropearl finished product, obtain the hollow glass micropearl that hydrophobic nature is good.In a word, by the enforcement of technical solution of the present invention, the hollow glass micropearl finished product of high balling ratio and surface hydrophobic process can be obtained.
As preferably, described waterproofing agent of organosilicon is methyl silicon sodium alcoholate.
Accompanying drawing explanation
The present invention has attached as follows
figure:
figure1 is technical process of the present invention
figure.
Embodiment
High balling ratio hollow glass micropearl preparation technology of the present invention, comprise following concrete steps: first boric acid, potassium hydroxide, sodium hydroxide, calcium hydroxide, water are mixed according to the mass ratio of 1: 0.05 ~ 0.2: 0.2 ~ 0. 5: 0.05 ~ 0.1: 5 ~ 8, make it be dissolved into clear shape completely, obtain borate assisted solution; Then being added by waterproofing agent of organosilicon in obtained borate assisted solution is added in the sodium silicate water glass of stirring in the mode of spraying again, colloid is formed finally by grinding, the quality consumption of described sodium silicate water glass is 10 ~ 20 times of boric acid quality, and the quality that adds of described waterproofing agent of organosilicon is that sodium silicate water glass adds 0.1 ~ 0.15% of quality; Again obtained colloid is delivered in cold nebulization tower at 120 ~ 200 DEG C of temperature, carries out a spraying dry, hollow glass micropearl work in-process spraying dry obtained are delivered in high-temperature spray tower and carry out secondary spraying dry at 300 ~ 450 DEG C of temperature, at the spray-dired back segment of secondary, by 1.4 ~ 1.6 times first time add-on organic silicon water-proofing dilution agent after add with spray pattern, obtain the hollow glass micropearl finished product of high balling ratio and surface hydrophobic process; Described waterproofing agent of organosilicon is at least one in aminopropyl triethoxysilane, γ mono-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, methyl silicon sodium alcoholate.As preferably, described waterproofing agent of organosilicon is methyl silicon sodium alcoholate.
Claims (2)
1. high balling ratio hollow glass micropearl preparation technology, it is characterized in that comprising following concrete steps: first boric acid, potassium hydroxide, sodium hydroxide, calcium hydroxide, water are mixed according to the mass ratio of 1: 0.05 ~ 0.2: 0.2 ~ 0. 5: 0.05 ~ 0.1: 5 ~ 8, make it be dissolved into clear shape completely, obtain borate assisted solution; Then being added by waterproofing agent of organosilicon in obtained borate assisted solution is added in the sodium silicate water glass of stirring in the mode of spraying again, colloid is formed finally by grinding, the quality consumption of described sodium silicate water glass is 10 ~ 20 times of boric acid quality, and the quality that adds of described waterproofing agent of organosilicon is that sodium silicate water glass adds 0.1 ~ 0.15% of quality; Again obtained colloid is delivered in cold nebulization tower at 120 ~ 200 DEG C of temperature, carries out a spraying dry, hollow glass micropearl work in-process spraying dry obtained are delivered in high-temperature spray tower and carry out secondary spraying dry at 300 ~ 450 DEG C of temperature, at the spray-dired back segment of secondary, by 1.4 ~ 1.6 times first time add-on waterproofing agent of organosilicon add with spray pattern, obtain the hollow glass micropearl finished product of high balling ratio and surface hydrophobic process; Described waterproofing agent of organosilicon is at least one in aminopropyl triethoxysilane, γ mono-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, methyl silicon sodium alcoholate.
2. high balling ratio hollow glass micropearl preparation technology as claimed in claim 1, is characterized in that: described waterproofing agent of organosilicon is methyl silicon sodium alcoholate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530679.5A CN104402203B (en) | 2014-10-10 | 2014-10-10 | High balling ratio hollow glass micropearl preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530679.5A CN104402203B (en) | 2014-10-10 | 2014-10-10 | High balling ratio hollow glass micropearl preparation technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104402203A true CN104402203A (en) | 2015-03-11 |
| CN104402203B CN104402203B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410530679.5A Active CN104402203B (en) | 2014-10-10 | 2014-10-10 | High balling ratio hollow glass micropearl preparation technology |
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| CN (1) | CN104402203B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891804A (en) * | 2015-05-19 | 2015-09-09 | 郑州圣莱特空心微珠新材料有限公司 | Hollow glass bead and preparation method thereof |
| CN108191250A (en) * | 2018-03-30 | 2018-06-22 | 山东德润机电设备制造有限公司 | Hollow glass micropearl and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4063916A (en) * | 1975-11-13 | 1977-12-20 | Sovitec S.A. | Process of making glass beads from liquid medium feedstock |
| JPS6021823A (en) * | 1983-07-19 | 1985-02-04 | Asahi Glass Co Ltd | Hollow body of silicate |
| EP1541535A2 (en) * | 2003-12-12 | 2005-06-15 | Bene-fit GmbH | Process for manufacturing hollow microbeads, solution and microbeads |
| CN101781083A (en) * | 2009-12-21 | 2010-07-21 | 浙江通达实业有限公司 | Hydrophobic hollow glass microsphere preparation method and prepared hydrophobic hollow glass microsphere thereof |
-
2014
- 2014-10-10 CN CN201410530679.5A patent/CN104402203B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4063916A (en) * | 1975-11-13 | 1977-12-20 | Sovitec S.A. | Process of making glass beads from liquid medium feedstock |
| JPS6021823A (en) * | 1983-07-19 | 1985-02-04 | Asahi Glass Co Ltd | Hollow body of silicate |
| EP1541535A2 (en) * | 2003-12-12 | 2005-06-15 | Bene-fit GmbH | Process for manufacturing hollow microbeads, solution and microbeads |
| CN101781083A (en) * | 2009-12-21 | 2010-07-21 | 浙江通达实业有限公司 | Hydrophobic hollow glass microsphere preparation method and prepared hydrophobic hollow glass microsphere thereof |
Non-Patent Citations (1)
| Title |
|---|
| 宋晓睿 等: "空心玻璃微球制备技术研究进展", 《硅酸盐学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891804A (en) * | 2015-05-19 | 2015-09-09 | 郑州圣莱特空心微珠新材料有限公司 | Hollow glass bead and preparation method thereof |
| CN104891804B (en) * | 2015-05-19 | 2017-06-09 | 郑州圣莱特空心微珠新材料有限公司 | A kind of hollow glass micropearl and preparation method thereof |
| CN108191250A (en) * | 2018-03-30 | 2018-06-22 | 山东德润机电设备制造有限公司 | Hollow glass micropearl and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104402203B (en) | 2016-08-24 |
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