CN101602510A - The preparation method of aluminium silicon composite material - Google Patents
The preparation method of aluminium silicon composite material Download PDFInfo
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- CN101602510A CN101602510A CNA2009101004668A CN200910100466A CN101602510A CN 101602510 A CN101602510 A CN 101602510A CN A2009101004668 A CNA2009101004668 A CN A2009101004668A CN 200910100466 A CN200910100466 A CN 200910100466A CN 101602510 A CN101602510 A CN 101602510A
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Abstract
The present invention relates to a kind of preparation method of aluminium silicon composite material.The invention provides following technical scheme: a kind of preparation method of aluminium silicon composite material, comprise the steps: with the pyrophyllite in powder to be raw material, high-temperature calcination is inserted and is carried out wet ball grinding in the ball mill, filters then, and drying is pulverized promptly.By adopting technique scheme, provide the preparation method of the aluminium silicon composite material of a kind of preparation process environmental protection, reasonable, simple to operate, the beneficial industrial production of technology advanced person, low cost of manufacture.
Description
Technical field
The present invention relates to a kind of preparation method of aluminium silicon composite material.
Background technology
Pyrophyllite is a kind of alumino-silicate clays material, its molecular formula is Si4Al2O10 (OH) 2, belong to 2: 1 type laminate structures, structural unit is made of the octahedra institute of two-layer Si-O4 tetrahedron therebetween one deck A1-O6, and tetrahedron and octahedron mutually combine by a shared oxonium ion layer.The pyrophyllite mineral products resource in Zhejiang Province is very abundant, and reserves account for 52% of the whole nation, and is main at present as some low-end applications such as refractory materials, pottery, glass fibre raw material, price very cheap (only 500～600 yuan/ton).Learn that by research pyrophyllite in powder has the whiteness height, particle how in the form of sheets, unit weight is less, it is mobile that better adsorptivity is medium, water absorbability is less, dispersiveness, wettability is general, suspension better reaches features such as slant acidity is general, is the industrial filler of a kind of ideal.To carry out the preparation of aluminium silicon composite material by the pyrophyllite in powder that pyrophyllite refines on existing market and the data, but its preparation process is long, preparation process is loaded down with trivial details, production cost increases thereupon, is unfavorable for suitability for industrialized production, and not enough environmental protection.
Summary of the invention
At the deficiency that prior art exists, the invention provides the preparation method of the aluminium silicon composite material of a kind of preparation process environmental protection, reasonable, simple to operate, the beneficial industrial production of technology advanced person, low cost of manufacture.
For achieving the above object, the invention provides following technical scheme: a kind of preparation method of aluminium silicon composite material comprises the steps: with the pyrophyllite in powder to be raw material, high-temperature calcination is inserted and is carried out wet ball grinding in the ball mill, filters then, drying is pulverized promptly.
Preparation method's of the present invention concrete preparation process: described leaf candle powder is 150 1 1000 orders, and its calcining temperature is 400-1000 ℃, and calcination time is 1-4h; The time of wet ball grinding is 1-10h; After the filtration filter cake that produces is carried out drying, 70 1 100 ℃ of exsiccant temperature, be 5-24h time of drying.Be medium with water during wet ball grinding, the mass ratio of the pyrophyllite in powder after water and the calcining is 1-1.5: 1, and drum's speed of rotation is 100-200r/min.
The present invention is prepared into pyrophyllite in powder the method for aluminium silicon composite material, have preparation time weak point, environmental protection, reasonable, simple to operate, the beneficial industrial production of technology advanced person, low cost of manufacture, and can apply to reinforcing rubber, some or all of alternative high mill carbon black or white carbon material by the aluminium silicon composite material that preparation method of the present invention obtained.
Embodiment
The present invention is a kind of preparation method of aluminium silicon composite material, and its step is as follows:
(1) choosing pyrophyllite in powder is the 150-1000 order, and preferred 325-800 order is advisable;
(2) pyrophyllite in powder is carried out high-temperature calcination, its calcining temperature is 400-1000 ℃, and preferred 600-900 ℃, calcination time is 1-4h, and preferred 2-3h is advisable;
(3) the burnt pyrophyllite in powder of step (2) is inserted carrying out wet ball grinding in the ball mill, is medium with water, and the mass ratio of the pyrophyllite in powder after water and the calcining is 1-1.5: 1, preferred 1: 1, the time of wet ball grinding is 1-10h, preferred 2-3h, and drum's speed of rotation is 100-200r/min.
(4) with the pyrophyllite in powder dope filtration of step (3) gained, the gained filter cake places air dry oven to carry out drying, and drying temperature is 70-100 ℃, and the time is 5-24h.
(5) exsiccant filter cake in the step (4) is pulverized promptly obtained aluminium silicon composite material.
Embodiment 1:
Take 150 order pyrophyllite in powder and place crucible to calcine, controlling box resistance furnace temperature is 1000 ℃, and calcination time is 4h.Take by weighing 200g and pour in the ball mill that fills 200ml water through the pyrophyllite in powder of calcination processing, behind the wet ball grinding 10h, drum's speed of rotation is controlled at 200r/min in ball mill; Powder dope filtration behind the ball milling, filter cake be 100 ℃ of dry 5h in air dry oven, pulverize, and obtain described aluminium silicon composite material.
Embodiment 2:
Take 325 order pyrophyllite in powder and place crucible to calcine, controlling box resistance furnace temperature is 700 ℃, and calcination time is 2h.Take by weighing 200g and pour in the ball mill that fills 200ml water through the pyrophyllite in powder of calcination processing, behind the wet ball grinding 1h, drum's speed of rotation is controlled at 150r/min in ball mill; Powder dope filtration behind the ball milling, filter cake be 80 ℃ of dry 5h in air dry oven, pulverize, and obtain described aluminium silicon composite material.
Embodiment 3:
Take 800 order pyrophyllite in powder and place crucible to calcine, controlling box resistance furnace temperature is 400 ℃, and calcination time is 3h.Take by weighing 200g and pour in the ball mill that fills 200ml water through the pyrophyllite in powder of calcination processing, behind the wet ball grinding 3h, drum's speed of rotation is controlled at 150r/min in ball mill; Powder dope filtration behind the ball milling, filter cake be 90 ℃ of dry 8h in air dry oven, pulverize, and obtain described aluminium silicon composite material.
Embodiment 4:
Take 1200 order pyrophyllite in powder and place crucible to calcine, controlling box resistance furnace temperature is 800 ℃, and calcination time is 2h.Take by weighing 200g and pour in the ball mill that fills 200ml water through the pyrophyllite in powder of calcination processing, behind the wet ball grinding 1h, drum's speed of rotation is controlled at 100r/min in ball mill; Powder dope filtration behind the ball milling, filter cake be 70 ℃ of dry 10h in air dry oven, pulverize, and obtain described aluminium silicon composite material.
Embodiment 5:
Take 2500 order pyrophyllite in powder and place crucible to calcine, controlling box resistance furnace temperature is 700 ℃, and calcination time is 1h.Take by weighing 200g and pour in the ball mill that fills 200ml water through the pyrophyllite in powder of calcination processing, behind the wet ball grinding 1h, drum's speed of rotation is controlled at 100r/min in ball mill; Powder dope filtration behind the ball milling, filter cake be 80 ℃ of dry 24h in air dry oven, pulverize, and obtain described aluminium silicon composite material.
Claims (3)
1, a kind of preparation method of aluminium silicon composite material comprises the steps: with the pyrophyllite in powder to be raw material, and high-temperature calcination is inserted and carried out wet ball grinding in the ball mill, filters then, and drying is pulverized promptly.
2, the preparation method of aluminium silicon composite material according to claim 1 is characterized in that: described leaf candle powder is the 150-1000 order, and its calcining temperature is 400-1000 ℃, and calcination time is 1-4h; The time of wet ball grinding is 1-10h; After the filtration filter cake that produces is carried out drying, the 70-100 of exsiccant temperature ℃, be 5-24h time of drying.
3, the preparation method of aluminium silicon composite material according to claim 1 and 2 is characterized in that: be medium with water during wet ball grinding, the mass ratio of the pyrophyllite in powder after water and the calcining is 1-1.5: 1, and drum's speed of rotation is 100-200r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101004668A CN101602510A (en) | 2009-06-30 | 2009-06-30 | The preparation method of aluminium silicon composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101004668A CN101602510A (en) | 2009-06-30 | 2009-06-30 | The preparation method of aluminium silicon composite material |
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| CN101602510A true CN101602510A (en) | 2009-12-16 |
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| CNA2009101004668A Pending CN101602510A (en) | 2009-06-30 | 2009-06-30 | The preparation method of aluminium silicon composite material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281217A (en) * | 2018-02-07 | 2018-07-13 | 大石桥市美尔镁制品有限公司 | A kind of magnesia powder insulating materials and preparation method thereof and a kind of flexible cable |
| CN108288528A (en) * | 2018-02-07 | 2018-07-17 | 大石桥市美尔镁制品有限公司 | A kind of magnesia powder insulating materials and a kind of flexible cable |
| WO2018160102A1 (en) * | 2017-03-03 | 2018-09-07 | Дмитрий Николаевич ЗАДОРИН | Smooth lamellar pyrophyllite-based substrate, and method for producing same |
-
2009
- 2009-06-30 CN CNA2009101004668A patent/CN101602510A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018160102A1 (en) * | 2017-03-03 | 2018-09-07 | Дмитрий Николаевич ЗАДОРИН | Smooth lamellar pyrophyllite-based substrate, and method for producing same |
| CN108281217A (en) * | 2018-02-07 | 2018-07-13 | 大石桥市美尔镁制品有限公司 | A kind of magnesia powder insulating materials and preparation method thereof and a kind of flexible cable |
| CN108288528A (en) * | 2018-02-07 | 2018-07-17 | 大石桥市美尔镁制品有限公司 | A kind of magnesia powder insulating materials and a kind of flexible cable |
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Open date: 20091216 |