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Desulfurized ash-kieselguhr compound rubber filling with synergic reinforcement-flame retardance performance

A technology for compounding rubber and desulfurization ash, which is applied in the field of solid waste resource recycling, can solve the problems of single function, poor compatibility, high price of filler carbon black and silica, and achieves the promotion of synergy, improvement of mechanical properties and flame retardancy. performance, to achieve the effect of recycling

Active Publication Date: 2018-08-24
桂林鸿程矿山设备制造有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the high price and single function of the main filler carbon black and silica in the existing rubber industry, the direct addition of desulfurization ash and diatomite to rubber is prone to agglomeration, and the desulfurization ash-diatomite inorganic interface and rubber organic interface The problem of poor compatibility, the present invention provides a desulfurization ash-diatomite composite rubber filler with reinforcing-flame retardant synergistic properties, in order to solve the above problems

Method used

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  • Desulfurized ash-kieselguhr compound rubber filling with synergic reinforcement-flame retardance performance
  • Desulfurized ash-kieselguhr compound rubber filling with synergic reinforcement-flame retardance performance
  • Desulfurized ash-kieselguhr compound rubber filling with synergic reinforcement-flame retardance performance

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0022]

[0023] The water is deionized water; the stearic acid is industrially pure; the desulfurization ash has a particle size of 2.6 μm-20.4 μm; the diatomite has a particle size of 7.8 μm-38.2 μm.

[0024] First, mix water and stearic acid, and disperse it for 10 minutes with an ultrasonic disperser to obtain a stearic acid solution; then mix desulfurization ash and diatomaceous earth, and use a constant temperature magnetic stirrer to stir it under airtight conditions at room temperature 10h to obtain the desulfurization ash-diatomite mixture; finally, mix the desulfurization ash-diatomite mixture with the stearic acid solution, and use a constant temperature magnetic stirrer at a stirring temperature of 60°C to stir for 4h to obtain the desulfurization ash-diatomite Composite rubber filler.

Embodiment 2

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

[0027]

[0028] The water is deionized water; the stearic acid is industrially pure; the particle size of the desulfurized ash is 2.4 μm-20.5 μm; the particle size of the diatomite is 5.9 μm-40.2 μm.

[0029] First, mix water and stearic acid, and disperse it for 30 minutes with an ultrasonic disperser to obtain a stearic acid solution; then mix desulfurization ash and diatomaceous earth, and use a constant temperature magnetic stirrer to stir it under airtight conditions at room temperature 6h to obtain the desulfurization ash-diatomaceous earth mixture; finally, mix the desulfurization ash-diatomite mixture with the stearic acid solution, and use a constant temperature magnetic stirrer to stir at a stirring temperature of 80°C for 2h to obtain the desulfurization ash-diatomite Composite rubber filler.

Embodiment 3

[0031] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0032]

[0033]

[0034] The water is deionized water; the stearic acid is industrially pure; the desulfurization ash has a particle size of 2.9 μm-22.4 μm; the diatomite has a particle size of 6.3 μm-41.5 μm.

[0035] First, mix water and stearic acid, and use an ultrasonic disperser to disperse it for 20 minutes to obtain a stearic acid solution; then mix desulfurization ash and diatomaceous earth, and use a constant temperature magnetic stirrer to stir it under airtight conditions at room temperature 12 hours to obtain the desulfurization ash-diatomite mixture; finally, mix the desulfurization ash-diatomite mixture with the stearic acid solution, and use a constant temperature magnetic stirrer at a stirring temperature of 50°C to stir for 3 hours to obtain the desulfurization ash-diatomite Composite rubber filler.

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Abstract

The invention discloses desulfurized ash-kieselguhr compound rubber filling with synergic reinforcement-flame retardance performance and a preparation method of the filling and belongs to the field ofsolid waste resource recycling. The filling comprises water, stearic acid, desulfurized ash and kieselguhr. The preparation method of the filling comprises the steps of mixing and dispersing water and a silane coupling agent to form a silane coupling agent solution, mixing and stirring the desulfurized ash and the kieselguhr to form a desulfurized ash-kieselguhr mixture, and mixing and stirring the desulfurized ash-kieselguhr mixture and the silane coupling agent solution to form the desulfurized ash-kieselguhr compound rubber filling. The filling solves the problems of higher price and a single function of major filling, namely carbon black and white carbon black, in the rubber industry, improves mechanical properties and flame resistance of rubber, achieves industrial waste recycling, promotes benefit increase of a metallurgical enterprise and cost reduction of the rubber product industry, and meets the current industrial development requirements of energy conservation, environmental protection and circular economy.

Description

technical field [0001] The invention belongs to the field of recycling of solid waste resources, and in particular relates to a desulfurization ash-diatomite composite rubber filler with reinforcing-flame-retardant synergistic performance 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 (semi-dry desulfurization ash, referred to as desulfurization ash). The composition of semi-dry desulfurization ash is extremely complex, consisting of desulfurization agent, desulfurization product and fly ash, and the calcium sulfite in desulfurization ash is very unstable in the process of being utilized. Diatomaceous earth is a siliceous rock whose main chemical composition is SiO 2 , due to the high impurity conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K9/04C08K7/24C08K7/26C08K11/00C08L9/06C08L7/00
CPCC08K7/24C08K7/26C08K9/04C08K11/00C08K2201/003C08L7/00C08L9/06C08L2201/02
Inventor 张浩高青龙红明张欣雨唐刚刘秀玉
Owner 桂林鸿程矿山设备制造有限责任公司
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