CN109065309A - A kind of magnetic gel particle and preparation method thereof - Google Patents
A kind of magnetic gel particle and preparation method thereof Download PDFInfo
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- CN109065309A CN109065309A CN201810759913.XA CN201810759913A CN109065309A CN 109065309 A CN109065309 A CN 109065309A CN 201810759913 A CN201810759913 A CN 201810759913A CN 109065309 A CN109065309 A CN 109065309A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0052—Preparation of gels
- B01J13/0065—Preparation of gels containing an organic phase
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
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Abstract
The invention discloses a kind of magnetic gel particles, it is composed of the following raw materials by weight: calcium palmitate 1-2, four water frerrous chloride 20-30, ferric chloride (FeCl36H2O) 16-20, saturation 18 carbamide 0.6-2, the ammonium hydroxide 17-20 of formalin 30-40,10-12% of lauryl mercaptan 2-4, gamma-aminopropyl-triethoxy-silane 2-3,10-12%, superfine silicon dioxide aeroge 10-14, the present invention carries out methylation reaction by catalyst of amino gel, to improve the comprehensive performance of finished product magnetic particle, the application range of finished product is expanded.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of magnetic gel particle and preparation method thereof.
Background technique
Nano silica is a kind of inorganic chemical industry material, is commonly called as white carbon black, and due to being ultrafine nanometer, size range exists
1-100nm, therefore there are many unique properties, such as have to anti-ultraviolet optical property, it is anti-ageing other materials to be improved
Change, intensity and chemical-resistance.Purposes is very extensive.Nanometer grade silica is amorphous white powder, nontoxic, tasteless, nothing
Pollution, micro-structure is spherical shape, and in cotton-shaped and netted quasi- grain structure, molecular formula and structural formula are SiO2, not soluble in water；Nanometer
The purposes of silica point is very extensive, and for general weight of adding in 0.5-2%, individual product system can be to 10% or more.To production
The key that moral character can embody is: it is fully dispersed therefore, how to improve its surface-active in system, enhance point of its addition
Performance is dissipated, is the emphasis studied at present；
With the continuous invention of composite material, assigning silica with new performance is current to expand its application range
The emphasis of research.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of magnetic gel particle and its preparations
Method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of magnetic gel particle, it is composed of the following raw materials by weight:
Calcium palmitate 1-2, four water frerrous chloride 20-30, ferric chloride (FeCl36H2O) 16-20, saturation 18 carbamide 0.6-2,
The ammonia of formalin 30-40,10-12% of lauryl mercaptan 2-4, gamma-aminopropyl-triethoxy-silane 2-3,10-12%
Water 17-20, superfine silicon dioxide aeroge 10-14.
A kind of preparation method of magnetic gel particle, comprising the following steps:
(1) calcium palmitate is taken, is added in the dehydrated alcohol of 10-14 times of its weight, stirs evenly, dodecyl sulphur is added
Alcohol obtains compound alcoholic solution insulated and stirred 20-30 minutes at 50-60 DEG C；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, the deionized water of 30-36 times of mixture weight is added to
In, it stirs evenly, is mixed with above-mentioned compound alcoholic solution, the ammonium hydroxide of 10-12% is added dropwise, be stirred to react 3-4 hours, obtain magnetic dispersion
Liquid；
(3) superfine silicon dioxide aeroge, gamma-aminopropyl-triethoxy-silane mixing are taken, mixture weight 16- is added to
It is 40-50 minutes ultrasonic in 20 times of deionized water, obtain amino gel solution；
(4) 18 carbamides of saturation are taken, is added in the deionized water of 20-30 times of its weight, stirs evenly, obtain amide point
Dispersion liquid；
(5) above-mentioned magnetic dispersion liquid is taken, mixes, stirs evenly with amide dispersion liquid, the formaldehyde that 10-12% is added dropwise is water-soluble
Liquid, increasing temperature is 65-70 DEG C, insulated and stirred 1-2 hours, is mixed with above-mentioned amino gel solution, 20-40 minutes ultrasonic, is taken out
Filter, filter cake is washed, air drying is to get the magnetic gel particle.
Advantages of the present invention:
The present invention is using four water frerrous chlorides, ferric chloride (FeCl36H2O) as presoma, in the alcohol solution containing calcium palmitate
Hydrolysis, by alkali process, obtains magnetic dispersion liquid, then it is blended with amide solution, is reacted by formaldehyde, with amino gel
Methylation reaction, which is carried out, for catalyst expands the application range of finished product to improve the comprehensive performance of finished product magnetic particle.
Specific embodiment
Embodiment 1
A kind of magnetic gel particle, it is composed of the following raw materials by weight:
Calcium palmitate 1, four water frerrous chlorides 20, ferric chloride (FeCl36H2O) 16, saturation 18 carbamides 0.6, dodecyl sulphur
Alcohol 2, the formalin 30 of gamma-aminopropyl-triethoxy-silane 2,10%, the ammonium hydroxide 17 of 10-12%, superfine silicon dioxide gas
Gel 10.
A kind of preparation method of magnetic gel particle, comprising the following steps:
(1) calcium palmitate is taken, is added in the dehydrated alcohol of 10 times of its weight, stirs evenly, lauryl mercaptan is added,
Insulated and stirred 20 minutes at 50 DEG C, obtain compound alcoholic solution；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, are added in 30 times of mixture weight of deionized water,
It stirs evenly, is mixed with above-mentioned compound alcoholic solution, 10% ammonium hydroxide is added dropwise, be stirred to react 3 hours, obtain magnetic dispersion liquid；
(3) superfine silicon dioxide aeroge, gamma-aminopropyl-triethoxy-silane mixing are taken, mixture weight 16 is added to
In deionized water again, ultrasound 40 minutes obtains amino gel solution；
(4) 18 carbamides of saturation are taken, is added in the deionized water of 20 times of its weight, stirs evenly, obtain amide dispersion
Liquid；
(5) above-mentioned magnetic dispersion liquid is taken, mixes, stirs evenly with amide dispersion liquid, 10% formalin is added dropwise, rise
High-temperature is 65 DEG C, insulated and stirred 1 hour, is mixed with above-mentioned amino gel solution, and ultrasound 20 minutes filters, filter cake is washed,
Air drying is to get the magnetic gel particle.
Embodiment 2
A kind of magnetic gel particle, it is composed of the following raw materials by weight:
Calcium palmitate 2, four water frerrous chlorides 30, ferric chloride (FeCl36H2O) 20, saturation 18 carbamides 2, lauryl mercaptan
4, ammonium hydroxide 20, the superfine silicon dioxide aeroge of the formalin 40,12% of gamma-aminopropyl-triethoxy-silane 3,12%
14。
A kind of preparation method of magnetic gel particle, comprising the following steps:
(1) calcium palmitate is taken, is added in the dehydrated alcohol of 14 times of its weight, stirs evenly, lauryl mercaptan is added,
Insulated and stirred 30 minutes at 60 DEG C, obtain compound alcoholic solution；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, are added in 36 times of mixture weight of deionized water,
It stirs evenly, is mixed with above-mentioned compound alcoholic solution, 12% ammonium hydroxide is added dropwise, be stirred to react 4 hours, obtain magnetic dispersion liquid；
(3) superfine silicon dioxide aeroge, gamma-aminopropyl-triethoxy-silane mixing are taken, mixture weight 20 is added to
In deionized water again, ultrasound 50 minutes obtains amino gel solution；
(4) 18 carbamides of saturation are taken, is added in the deionized water of 30 times of its weight, stirs evenly, obtain amide dispersion
Liquid；
(5) above-mentioned magnetic dispersion liquid is taken, mixes, stirs evenly with amide dispersion liquid, 12% formalin is added dropwise, rise
High-temperature is 70 DEG C, insulated and stirred 2 hours, is mixed with above-mentioned amino gel solution, and ultrasound 40 minutes filters, filter cake is washed,
Air drying is to get the magnetic gel particle.
Performance test:
The saturation magnetization of the property gel particles of the embodiment of the present invention 1 is 11.8emu/g, breaking strength 34.1Mpa；
The saturation magnetization of the property gel particles of the embodiment of the present invention 2 is 10.3emu/g, breaking strength 33.7Mpa.
Claims (2)
1. a kind of magnetic gel particle, which is characterized in that it is composed of the following raw materials by weight:
Calcium palmitate 1-2, four water frerrous chloride 20-30, ferric chloride (FeCl36H2O) 16-20, saturation 18 carbamide 0.6-2,12
The ammonium hydroxide of formalin 30-40,10-12% of alkyl hydrosulfide 2-4, gamma-aminopropyl-triethoxy-silane 2-3,10-12%
17-20, superfine silicon dioxide aeroge 10-14.
2. a kind of preparation method of magnetic gel particle as described in claim 1, which comprises the following steps:
(1) calcium palmitate is taken, is added in the dehydrated alcohol of 10-14 times of its weight, stirs evenly, lauryl mercaptan is added,
Insulated and stirred 20-30 minutes at 50-60 DEG C, compound alcoholic solution is obtained；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, is added in the deionized water of 30-36 times of mixture weight, stirs
It mixes uniformly, is mixed with above-mentioned compound alcoholic solution, the ammonium hydroxide of 10-12% is added dropwise, be stirred to react 3-4 hours, obtain magnetic dispersion liquid；
(3) superfine silicon dioxide aeroge, gamma-aminopropyl-triethoxy-silane mixing are taken, 16-20 times of mixture weight is added to
Deionized water in, it is 40-50 minutes ultrasonic, obtain amino gel solution；
(4) 18 carbamides of saturation are taken, is added in the deionized water of 20-30 times of its weight, stirs evenly, obtain amide dispersion
Liquid；
(5) above-mentioned magnetic dispersion liquid is taken, mixes, stirs evenly with amide dispersion liquid, the formalin of 10-12% is added dropwise, rise
High-temperature is 65-70 DEG C, insulated and stirred 1-2 hours, is mixed with above-mentioned amino gel solution, 20-40 minutes ultrasonic, is filtered, will
Filter cake washing, air drying is to get the magnetic gel particle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686522A (en) * | 2018-12-31 | 2019-04-26 | 吕贝贝 | A kind of magnetism aeroge and preparation method thereof |
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| CN106700811A (en) * | 2016-12-20 | 2017-05-24 | 铜陵市经纬流体科技有限公司 | Aerogel hybrid microsphere grafted silicon composite coating and preparation method thereof |
| CN107286329A (en) * | 2017-08-01 | 2017-10-24 | 赵阳 | A kind of preparation method of quaternary ammonium salt carried magnetic polythiophene material |
| CN107286328A (en) * | 2017-08-01 | 2017-10-24 | 赵阳 | A kind of preparation method for the polythiophene electromagnetic material that methylates |
| CN107321324A (en) * | 2017-09-05 | 2017-11-07 | 霍邱金木鱼农业科技有限公司 | A kind of dye discoloration magnetic adsorptive material and preparation method thereof |
| CN107417922A (en) * | 2017-05-08 | 2017-12-01 | 苏州科技大学 | A kind of mixed with polymers graft modification magnetic Nano silica and its application |
| CN108063036A (en) * | 2017-12-12 | 2018-05-22 | 徐州远洋磁性材料有限公司 | A kind of composite magnetic and preparation method thereof |
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2018
- 2018-07-11 CN CN201810759913.XA patent/CN109065309A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700811A (en) * | 2016-12-20 | 2017-05-24 | 铜陵市经纬流体科技有限公司 | Aerogel hybrid microsphere grafted silicon composite coating and preparation method thereof |
| CN107417922A (en) * | 2017-05-08 | 2017-12-01 | 苏州科技大学 | A kind of mixed with polymers graft modification magnetic Nano silica and its application |
| CN107286329A (en) * | 2017-08-01 | 2017-10-24 | 赵阳 | A kind of preparation method of quaternary ammonium salt carried magnetic polythiophene material |
| CN107286328A (en) * | 2017-08-01 | 2017-10-24 | 赵阳 | A kind of preparation method for the polythiophene electromagnetic material that methylates |
| CN107321324A (en) * | 2017-09-05 | 2017-11-07 | 霍邱金木鱼农业科技有限公司 | A kind of dye discoloration magnetic adsorptive material and preparation method thereof |
| CN108063036A (en) * | 2017-12-12 | 2018-05-22 | 徐州远洋磁性材料有限公司 | A kind of composite magnetic and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109686522A (en) * | 2018-12-31 | 2019-04-26 | 吕贝贝 | A kind of magnetism aeroge and preparation method thereof |
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