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Aluminate surface modified microcrystal white mica active filler and its preparation method

A technology of microcrystalline muscovite and surface modification, which is applied in fibrous fillers, chemical instruments and methods, inorganic pigment treatment, etc., and can solve problems such as undiscovered

Inactive Publication Date: 2006-05-10
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After searching, no patent application or literature report was found to use microcrystalline muscovite as raw material to prepare aluminate coupling agent surface-modified microcrystalline muscovite active powder filler

Method used

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  • Aluminate surface modified microcrystal white mica active filler and its preparation method
  • Aluminate surface modified microcrystal white mica active filler and its preparation method
  • Aluminate surface modified microcrystal white mica active filler and its preparation method

Examples

Experimental program
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Effect test

example 1

[0080] Aluminate surface-modified microcrystalline muscovite active filler (600 mesh) and a preparation method thereof. The microcrystalline muscovite powder sample used in this example is produced from a very large microcrystalline muscovite deposit in a certain place in Sichuan. As mentioned above, the deposit was first discovered in 1997 by the applicant of the patent, Chengdu University of Technology. Over the past few years, Sichuan Xinju Mining Resources Development Co., Ltd. and Chengdu University of Technology have done some work on the type, chemical composition, mineral composition, structure and beneficiation experiments of Sichuan microcrystalline muscovite ore, and successfully developed it accordingly. Xinju brand microcrystalline muscovite powder series products with different particle sizes such as 200 mesh, 325 mesh, 400 mesh, 600 mesh, 800 mesh, 1250 mesh and 2500 mesh have been launched. The microcrystalline muscovite samples of all examples in this patent ...

example 2

[0101] Aluminate surface-modified microcrystalline muscovite active filler (200 mesh) and a preparation method thereof. Features such as the place of origin, mineral composition, chemical composition and mineral physics of the microcrystalline muscovite filler (200 orders) that this example adopts are all identical with this patent example 1; Its chemical composition and physicochemical properties are as shown in table 1 and table 2 .

[0102] The aluminate coupling agent DL-411-D used in this example is the same as this patent example 1; its surface modification process is also the same as this patent example 1, as shown in Table 3, the difference is that this example is coupled The agent weight is based on microcrystalline muscovite powder material:aluminate=100:0.50, and the range (wt%) of the aluminate dosage (wt%) of the microcrystalline muscovite powder used in this example is shown in Table 3.

[0103] This example uses the same method as Example 1 to characterize and ...

example 3

[0105] Aluminate surface-modified microcrystalline muscovite active filler (325 mesh) and a preparation method thereof. Features such as the place of origin, mineral composition, chemical composition and mineral physics of the microcrystalline muscovite filler (325 orders) that this example adopts are all identical with this patent example 1; Its chemical composition and physicochemical properties are as shown in table 1 and table 2 .

[0106] The aluminate coupling agent DL-411-D used in this example is the same as this patent example 1; its surface modification process is also the same as this patent example 1, as shown in Table 3, the difference is that this example is coupled The agent weight is based on microcrystalline muscovite powder material:aluminate=100:1.00, and the dosage range (wt%) of aluminate of particle size microcrystalline muscovite powder used in this example is shown in Table 3.

[0107] This example uses the same method as Example 1 to characterize and ...

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Abstract

The invention discloses a microcrystalline muscovite active powder filler modified on the surface of an aluminate coupling agent and a preparation method thereof. The microcrystalline muscovite powder is used as a raw material. The muscovite powder material is dried at about 110 °C to remove all adsorbed moisture; melt the aluminate (for wax-like solids), and melt the aluminate at a temperature slightly higher than the melting point of 70 to 73 °C; Dry the material and put it into a high-speed mixer; preheat the material, make the material stir at a high speed in the high-speed mixer for about 30 minutes, and control the temperature to be ≤73°C; weigh the aluminate, and the weight is based on material: aluminate = 100:0.5 ~3.9; high-speed mixing of materials, slowly and evenly pour the aluminate into the high-speed mixer, high-speed mixing for about 20 minutes, and control the temperature to be ≤90 °C; modification effect testing, using viscosity testing and other methods to test and evaluate the modification effect. Evaluation. It has abundant resources, convenient modification process, low cost, good effect, wide application and obvious economic and social benefits.

Description

1. Technical field [0001] The invention relates to a microcrystalline muscovite active powder filler modified on the surface of an aluminate coupling agent and a preparation method thereof, which can be applied to industries such as plastics, rubber, coatings, and adhesives, and is especially suitable for use as PVC (polyvinyl chloride) ), ABS (acrylonitrile-butadiene-styrene copolymer), PS (polystyrene), PV (polyethylene), PP (polypropylene), PE (polyethylene) and other polymer active fillers, and can Give or improve the chemical stability, acid and alkali resistance, heat resistance, anti-ultraviolet, anti-aging, infrared barrier and other functions and properties of filled polymer materials or polymer-based composite materials, such as anti-corrosion paints and coatings, acid and alkali resistance Play the role of functional active filler in pipelines, infrared blocking plastic shed films, etc. 2. Technical background [0002] 1. Muscovite and its application fields [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C3/08C09C1/28C09C1/08C09C3/06
Inventor 汪灵刘菁叶巧明林金辉范良明张灼燃常嗣和解原
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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