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Modified desulfurization ash for rubber filler and preparation method of modified desulfurization ash

A technology of rubber filler and desulfurization ash, which is applied in the field of resource recycling, can solve the problems of high price of filler carbon black and silica, easy agglomeration of rubber, poor compatibility, etc., achieve good economic and social benefits, and realize recycling Utilize and promote synergistic effects

Inactive Publication Date: 2017-06-23
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems that the price of carbon black and white carbon black, the main fillers in the existing rubber industry, is relatively high, that desulfurization ash is easily agglomerated when directly filled in rubber, and that the compatibility between the inorganic interface of desulfurization ash and the organic interface of rubber is poor. The invention provides a modified desulfurization ash for rubber filler, in order to solve the above problems

Method used

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  • Modified desulfurization ash for rubber filler and preparation method of modified desulfurization ash
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  • Modified desulfurization ash for rubber filler and preparation method of modified desulfurization ash

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Effect test

Embodiment 1

[0026] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0027] Silane coupling agent 0.6g

[0028] Stearic acid 0.3g

[0029] Desulfurization ash 99.1g

[0030] The silane coupling agent is industrially pure; the stearic acid is analytically pure; the fineness of the desulfurized ash is 800 mesh.

[0031] The desulfurized ash was mixed with a silane coupling agent and stearic acid, and stirred with a constant temperature magnetic stirrer at a stirring temperature of 65° C. and a stirring time of 40 min to obtain a modified desulfurized ash.

Embodiment 2

[0033] Silane coupling agent 0.7g

[0034] Stearic acid 0.5g

[0035] Desulfurization ash 98.8g

[0036] The silane coupling agent is industrially pure; the stearic acid is analytically pure; the fineness of the desulfurized ash is 1000 mesh.

[0037] The desulfurized ash was mixed with a silane coupling agent and stearic acid, and stirred with a constant temperature magnetic stirrer at a stirring temperature of 75° C. and a stirring time of 60 min to obtain a modified desulfurized ash.

Embodiment 3

[0039] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0040] Silane coupling agent 0.8g

[0041] Stearic acid 0.2g

[0042] Desulfurization ash 99.0g

[0043] The silane coupling agent is industrially pure; the stearic acid is analytically pure; the fineness of the desulfurized ash is 700 mesh.

[0044] The desulfurized ash was mixed with a silane coupling agent and stearic acid, and stirred with a constant temperature magnetic stirrer at a stirring temperature of 70° C. and a stirring time of 20 minutes to obtain a modified desulfurized ash.

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Abstract

The invention discloses a modified desulfurization ash used for rubber fillers and a preparation method thereof, belonging to the field of resource recycling. The modified desulfurization ash includes a silane coupling agent, stearic acid and desulfurization ash, the silane coupling agent is industrially pure; the stearic acid is analytically pure; the fineness of the desulfurization ash is 600 mesh to 1000 mesh . The preparation method of the modified desulfurized ash is as follows: mixing the desulfurized ash with a silane coupling agent and stearic acid, and stirring at 60° C. to 80° C. for 20 minutes to 60 minutes with a constant temperature magnetic stirrer. The invention solves the problems that the price of carbon black and white carbon black, the main fillers in the existing rubber industry, is relatively high, the desulfurization ash is directly filled in the rubber and is easily agglomerated, and the compatibility between the inorganic interface of the desulfurization ash and the organic interface of rubber is poor. , Realizing the recycling of industrial waste, in line with the industrial development requirements of energy conservation, environmental protection, and circular economy.

Description

technical field [0001] The invention belongs to the field of resource recycling, and in particular relates to a modified desulfurized ash used for rubber fillers and a preparation method thereof. Background technique [0002] As my country controls and reduces SO 2 With the continuous increase of emissions, flue gas desulfurization has entered a stage of rapid development. With the successive installation of desulfurization devices, there are more and more desulfurization products. Due to the extremely complex composition of semi-dry desulfurization ash, which is composed of desulfurization agent, desulfurization product and fly ash and other components, and the calcium sulfite in desulfurization ash is very unstable in the process of being used, so most of them are stacked and Disposal is the main treatment. Therefore, how to use desulfurization ash on a large scale and efficiently to reduce the environmental burden and increase the efficiency of enterprises is an urgent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K9/06C08K9/04C08K3/30C08L9/06C08K13/02
CPCC08K9/06C08K3/30C08K9/04C08K13/02C08L9/06
Inventor 张浩龙红明刘秀玉唐刚
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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