CN101070438A - Method for preparing strong-effect modified filler meiqiang powder - Google Patents
Method for preparing strong-effect modified filler meiqiang powder Download PDFInfo
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- CN101070438A CN101070438A CN 200710011700 CN200710011700A CN101070438A CN 101070438 A CN101070438 A CN 101070438A CN 200710011700 CN200710011700 CN 200710011700 CN 200710011700 A CN200710011700 A CN 200710011700A CN 101070438 A CN101070438 A CN 101070438A
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Abstract
The invention relates to one kind of preparation methods of the potent modified fillers strong magnesium powder, the method's technological process is: Taking light burning magnesium powder and talcum powder from raw materials, the original powder shares proportion according to weight , the ratio of the light burning magnesium powder is 40-70, the ratio of the talcum powder is 60-30; After weighing accurately, throwing them into the high-speed mixer to stir under higher temperature, the temperature is controlled below 100 degree C, simultaneously spraying into surface treatment reagents ; The related surface treatment reagent refers to one kind or the combination of two kinds of the silicon hydride resin acceptor and the stearic acid, the amount is 0.3-0.5% of the total weight of the light burning magnesium powder and the talcum powder. Comparing with the existing technology, the benefits of this invention consists: realizing the extensive and functional application of composite materials, reducing the cost of high-quality fillings, using mineral resources more effectively.
Description
Technical field
The present invention relates to a kind of ultra tiny inorganic mineral filler, a kind of preparation method of strong-effect modified filler meiqiang powder.
Background technology
Along with the fast development of world economy, especially rapid stubborn of plastic industry, require the quality product of nonmetal breeze to develop to superior, super-refinement, modification direction.At present, because increasing substantially of cost of material not only will realize the high amount of filling of product, and will reduce the cost of product.Yet the strong powder finished product of simple magnesium price is very high, and is difficult to realize the physicals of filling product.
Summary of the invention
The present invention provides a kind of preparation method of strong-effect modified filler meiqiang powder on the basis of the application performance of summing up all kinds of non-metallic mineral productss, this method superior performance can effectively be saved cost.
For achieving the above object, the present invention is by the following technical solutions:
A kind of preparation method of strong-effect modified filler meiqiang powder, the technological process of this method is: get raw material light-burning magnesium powder and talcum powder, former powder is ratio by weight, light-burning magnesium powder 40-70 part, talcum powder 60-30 part; After the weighing accurately, put into the stirring of heating in the high speed mixing roll, temperature is controlled at below 100 ℃, sprays into surface treatment reagent simultaneously; Described surface treatment reagent is meant silane coupling agent, stearic one or both combinations, and its add-on is the 0.3-0.5% of light-burning magnesium powder and talcum powder gross weight.
Compared with prior art, the invention has the beneficial effects as follows:
1) quality softness has good zero diopter effect.
2) specific surface area and oil number are big, in a large number oil suction and make thickening effectiveness remarkable.
3) have hydrophobicity and close organic property, excellent moisture resistance.
4) whiteness is good, strong covering power, and suspension property and rheological property are good, can reduce the sagging and the sedimentation of product.
5) have effects such as sterically hindered, can make the titanium dioxide homodisperse in the prescription, thereby make the titanium dioxide increment, reach the purpose of saving the part titanium dioxide.
6) sheet-like crystallite structure, making films can absorb because of expanding or shrinking the pressure that produces, and making films avoids taking place
The appearance of product of the present invention has realized popularity that composite shape matl is used and functional, has reduced the cost of high-quality filler, more efficient use Mineral resources.
Description of use:
The strong powder of magnesium be applied to improve the processing characteristics such as pressing mold, calendering, extrusion, ejaculation of rubber plastic resin and replaceable part the sizing material 10～15% of costliness reduce raw materials cost.
2. the strong powder of magnesium is that the glue enhancer that is used in the rubber plastic resin especially can help its machine-shaping in foamed products, promptly reduces the friction between polymer molecule, makes molecular linkage thereby mobile easily, can impel the shortening molding time to increase productivity.
3. the strong powder of magnesium can make straight chain type (Linear) molecule in polymer, and the structure that becomes the three-dimensional space by two dimensional structure through the strong powder bridging action of magnesium strengthens wear-resisting, the toughness and the cracking resistance effect of rubber moulding.
4. the strong powder of magnesium is in the sizing material resin, can change product rerum natura-increase tensile strength, impact strength, shearing resistance, disturb Qu Qiangdu, hardness, reduction distortion, extension rate, the pad coefficient of expansion etc.
5. the strong powder of magnesium also belongs to a kind of of thermal stabilizer, because of itself containing higher fatty acid fat compound, except the lubricant that can work as the rubber plastic cement products, also can react with the Hcl that separates out, and makes Hcl lose the effect of cracking.6. the strong powder of magnesium can improve sense of touch, and reduces electrostatic efficiency.
7. the strong powder of magnesium is aspect paint, coating, anti-ly be exposed to the sun, high temperature resistance, nondiscoloration under UV-irradiation, can keep original gloss and color for a long time, acidproof preferably alkali corrosive performance is arranged, and water-tolerant, resistant does not have, ageing-resistant performance is stronger, wear-resisting, anti-steam and chemical stability, and strong flame retardant properties.
Embodiment
Embodiment 1
A kind of preparation method of strong-effect modified filler meiqiang powder, the technological process of this method is: get raw material light-burning magnesium powder and talcum powder, former powder is ratio by weight, 40 parts of light-burning magnesium powders, 60 parts of talcum powder; After the weighing accurately, put into the stirring of heating in the high speed mixing roll, temperature is controlled at below 100 ℃, sprays into surface treatment reagent simultaneously; Described surface treatment reagent is meant silane coupling agent, stearic one or both combinations, and its add-on is the 0.3-0.5% of light-burning magnesium powder and talcum powder gross weight.
Embodiment 2
A kind of preparation method of strong-effect modified filler meiqiang powder, the technological process of this method is: get raw material light-burning magnesium powder and talcum powder, former powder is ratio by weight, 70 parts of light-burning magnesium powders, 30 parts of talcum powder; After the weighing accurately, put into the stirring of heating in the high speed mixing roll, temperature is controlled at below 100 ℃, sprays into surface treatment reagent simultaneously; Described surface treatment reagent is meant silane coupling agent, stearic one or both combinations, and its add-on is the 0.3-0.5% of light-burning magnesium powder and talcum powder gross weight.
Embodiment 3
A kind of preparation method of strong-effect modified filler meiqiang powder, the technological process of this method is: get raw material light-burning magnesium powder and talcum powder, former powder is ratio by weight, 50 parts of light-burning magnesium powders, 50 parts of talcum powder; After the weighing accurately, put into the stirring of heating in the high speed mixing roll, temperature is controlled at below 100 ℃, sprays into surface treatment reagent simultaneously; Described surface treatment reagent is meant silane coupling agent, stearic one or both combinations, and its add-on is the 0.3-0.5% of light-burning magnesium powder and talcum powder gross weight.
The performance index of the light-burning magnesium powder of above embodiment, talcum powder, the strong powder of magnesium are as follows:
The performance index of light-burning magnesium powder are as follows:
Physical properties: white amorphous powder, odorless, tasteless, nontoxic, fusing point is about 2825, and relative density 3.58 is dissolved in acid or ammonium salt solution, organic solvents such as water insoluble and ethanol, ether, benzene, toluene.
Whiteness: 92
Chemical property: MgO:90% SiO2:1.8% CaO:1.6% Fe2O3:0.65% Al2O3:0.10%
Talcous performance index are as follows:
Physical properties: this product is the powder of white or off-white color, fine, no grittiness, and hand has been touched soapy feeling, and gas is little, and is tasteless.In water, dilute hydrochloric acid or diluted sodium hydroxide solution, all do not dissolve.
Whiteness: 97
Chemical property: MgO:30.30% SiO2:55.64% CaO:0.45% Fe2O3:0.23% Al2O3:0.21%
The performance index of the strong powder of magnesium are as follows:
Light-burning magnesium powder 40%: talcum powder 60%
Whiteness: 94% raw ore proportion: 2.7g/cm
3PH value: 8.8 moisture≤1.0% magnesium oxide: 54.18% silicon-dioxide: 34.10% aluminium sesquioxide: 0.17% ferric oxide: 0.40%.
Claims (1)
1, a kind of preparation method of strong-effect modified filler meiqiang powder is characterized in that the technological process of this method is: get raw material light-burning magnesium powder and talcum powder, former powder is ratio by weight, light-burning magnesium powder 40-70 part, talcum powder 60-30 part; After the weighing accurately, put into the stirring of heating in the high speed mixing roll, temperature is controlled at below 100 ℃, sprays into surface treatment reagent simultaneously; Described surface treatment reagent is meant silicon a heatable brick bed coupling agent, stearic one or both combinations, and its add-on is the 0.3-0.5% of light-burning magnesium powder and talcum powder gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710011700 CN101070438A (en) | 2007-06-15 | 2007-06-15 | Method for preparing strong-effect modified filler meiqiang powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710011700 CN101070438A (en) | 2007-06-15 | 2007-06-15 | Method for preparing strong-effect modified filler meiqiang powder |
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| Publication Number | Publication Date |
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| CN101070438A true CN101070438A (en) | 2007-11-14 |
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| CN 200710011700 Pending CN101070438A (en) | 2007-06-15 | 2007-06-15 | Method for preparing strong-effect modified filler meiqiang powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923491A (en) * | 2014-04-11 | 2014-07-16 | 河北科技大学 | Special magnesium oxide for glass reinforced plastics produced with unsaturated polyester resins and preparation method thereof |
| CN104592791A (en) * | 2014-12-31 | 2015-05-06 | 安徽恒昊科技有限公司 | Method for preparing silicon treatment talcum powder |
| CN109206768A (en) * | 2018-09-10 | 2019-01-15 | 郑州讯轨通信科技有限公司 | A kind of high-strength cable skin and preparation method thereof based on polystyrene |
-
2007
- 2007-06-15 CN CN 200710011700 patent/CN101070438A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923491A (en) * | 2014-04-11 | 2014-07-16 | 河北科技大学 | Special magnesium oxide for glass reinforced plastics produced with unsaturated polyester resins and preparation method thereof |
| CN103923491B (en) * | 2014-04-11 | 2016-08-17 | 河北科技大学 | A kind of unsaturated polyester resin produces fiberglass special magnesium oxide and preparation method thereof |
| CN104592791A (en) * | 2014-12-31 | 2015-05-06 | 安徽恒昊科技有限公司 | Method for preparing silicon treatment talcum powder |
| CN109206768A (en) * | 2018-09-10 | 2019-01-15 | 郑州讯轨通信科技有限公司 | A kind of high-strength cable skin and preparation method thereof based on polystyrene |
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