Titanate KR-38S surface modified micro-crystal white mica active filler preparing method

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

Inactive Publication Date: 2006-07-19
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 titanate surface-modified microcrystalline muscovite active powder filler

Method used

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  • Titanate KR-38S surface modified micro-crystal white mica active filler preparing method
  • Titanate KR-38S surface modified micro-crystal white mica active filler preparing method
  • Titanate KR-38S surface modified micro-crystal white mica active filler preparing method

Examples

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Effect test

example 1

[0088] A preparation method of titanate surface-modified microcrystalline muscovite active filler (600 mesh). 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, this deposit was first discovered by the author in 1997. 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 with different particle sizes are all taken from the Xinju b...

example 2

[0109] A preparation method of microcrystalline muscovite active filler (200 mesh) modified by titanate surface. 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 physicochemical performance and chemical composition are as shown in table 1 and table 2 .

[0110] The titanate KR-38S coupling agent and acetone diluent used in this example are the same as those in Example 1 of this patent; the surface modification process is also the same as in Example 1 of this patent. As shown in Table 3, the difference is that the weight of the coupling agent in this example is based on the microcrystalline muscovite powder material: titanate KR-38S=100: 0.4~0.6, the titanium content of the particle size microcrystalline muscovite powder used in this example The dosage range (wt%) of acid ester KR-38S coupling agent ...

example 3

[0113] A preparation method of titanate surface-modified microcrystalline muscovite active filler (325 mesh). 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 physicochemical performance and chemical composition are as shown in table 1 and table 2 .

[0114] The titanate KR-38S coupling agent and acetone diluent used in this example are the same as those in Example 1 of this patent; the surface modification process is also the same as in Example 1 of this patent. As shown in Table 3, the difference is that the weight of the coupling agent in this example is based on microcrystalline muscovite powder material: titanate KR-38S=100: 0.6~0.9, the titanium content of the particle size microcrystalline muscovite powder used in this example The dosage range (wt%) of acid ester KR-38S coupling agent is show...

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Abstract

The invention discloses a kind of preparation method of the titanate KR-38S surface modified minicrystal muscovite active fille and chooses muscovite as raw material. The technics is as follows: weigh minicrystal muscovite and then put it into high-speed mizer; heat the material, whisk it in the high-speed mixer for 30 minutes and adjust the temperature no higher than 90deg.C; weigh the thinner of titanate, acetone, in amounts of weight, titanate:acetone=1:1-3; weigh titanate KR-38S, material: titanate=100:0.4-3.9; confect the titanate surface modified solution, put the titanate into the container with thinner of acetone and whisk it until being well-proportioned; mix the material in high gear, put the titanate surface modified solution into the high-speed mixer and whisk it for between 10min and 30min and control the temperature no more than 90deg.C. It is featured by abundant resource, low cost, convenient technics, wide use and obvious economic and social effects.

Description

1. Technical field [0001] The present invention relates to a kind of preparation method of microcrystalline muscovite active filler that the surface of titanate is modified, can be applicable to the industries such as plastics, rubber, paint, adhesive, especially suitable as polyolefin (such as polyvinyl chloride (PVC), Polypropylene (PP)), polybutylene terephthalate (PBT) and other functional fillers, and can endow or improve the chemical stability, acid and alkali resistance, Heat resistance, UV protection, anti-aging, infrared barrier and other properties, for example, it can play the role of functional filler in heavy-duty anti-corrosion paints and coatings, acid and alkali resistant pipelines, infrared barrier plastic shed films, etc. 2. Technical Background [0002] 1. Muscovite and its application fields [0003] Muscovite is an important member of the mica family and muscovite subgroup minerals, and is a K, Al-rich 2:1 type dioctahedral layered silicate mineral. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C3/08C09C3/06
Inventor 汪灵刘菁叶巧明林金辉张灼燃范良明常嗣和张湘辉
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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