Application of garnet in rubber as inorganic filler

A technology of garnet and inorganic filler, applied in wet separation, solid separation, chemical instruments and methods, etc., to save mineral resources, reduce tailings discharge, and recover resources

Inactive Publication Date: 2014-10-22
HUNAN RES INST FOR NONFERROUS METALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no research report on the application of garnet in rubber. Due to the inherent characteristics of garnet, it has its unique advantages in rubber materials such as corrosion resistance, wear resistance, and heat air aging resistance, and has great development prospects.

Method used

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  • Application of garnet in rubber as inorganic filler
  • Application of garnet in rubber as inorganic filler
  • Application of garnet in rubber as inorganic filler

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Embodiment Construction

[0023] The present invention will be further explained and illustrated below in conjunction with specific examples. Unless otherwise specified, the percentages mentioned in the examples of the present invention refer to mass percentages.

[0024] one, Raw materials:

[0025] The composition of polymetallic tailings is shown in Table 1.

[0026] Table 1 Multi-element analysis results of polymetallic tailings (%)

[0027]

[0028] The mineral composition of tailings is mainly quartz, garnet, feldspar, calcite, mica, hornblende, diopside and so on. The tailings fineness -0.074mm accounts for 70.35%, and the garnet mineral content in the tailings is 25%.

[0029] 2. Key equipment: (all existing equipment)

[0030] φ400 spiral chute; high gradient strong magnetic separator; φ50 hydrocyclone; ZJM laboratory stirring ball mill; disc vacuum filter; 101 electric oven, 160mm open mill.

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Abstract

The invention provides an application of garnet in rubber as an inorganic filler. Garnet-containing mine tailings are used as a raw material, and is processed through a gravity separation-magnetic separation-grading combination process to recover 0.074mm garnet powder, and the garnet mineral content reaches above 80%. The garnet powder undergoes fine grinding through a sand mill to produce garnet micro-powder with the average particle size reaching below 2.5[mu]m, and the garnet micro-powder can be applied in rubber as an ultrafine inorganic filler. Garnet has unique chemical inertness and wear resistance, so garnet powder rubber obtained in the invention has excellent shock elasticity and ageing resistance, and has better tensile strength and tear strength than calcium carbonate and other rubber compounds, thereby the garnet is a novel inorganic filler.

Description

technical field [0001] The invention belongs to the field of inorganic materials, and specifically relates to a new application of garnet. Background technique [0002] The rubber industry uses a large number of fillers as compounding agents, and its consumption is second only to that of rubber. Reinforcing fillers are used in rubber, which can not only improve the strength of rubber products, but also improve the processing performance of rubber materials, and endow products with good wear resistance, tear resistance, heat resistance, cold resistance, oil resistance and other properties, which can prolong The useful life of the product. Non-reinforcing fillers are used in rubber, mainly for filling and compatibilization, and some varieties also have the functions of isolation, mold release or coloring. Rubber fillers are mainly divided into carbon black and inorganic fillers, each accounting for about half of the amount. There are mainly two kinds of inorganic fillers wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K3/22C08K3/36C08L7/00C08L9/06B03B7/00
Inventor 周虎强王全亮赵建湘
Owner HUNAN RES INST FOR NONFERROUS METALS
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