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Blend of rubber/nano-carbon material coated artificial stone polishing waste and preparation method thereof

A technology of nano-carbon material and artificial stone, which is applied to the blend of rubber/nano-carbon material coated artificial stone polishing waste and the field of preparation thereof, and achieves the effects of high surface activity, cost reduction and stiffness improvement.

Active Publication Date: 2020-04-03
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of rubber / nano-carbon material coated artificial stone polishing waste blend and preparation method thereof for the processing problem of existing artificial stone polishing waste, and in this blend, polishing waste and The matrix has good compatibility and high reinforcement efficiency, which provides a good way for the comprehensive utilization of artificial stone polishing waste

Method used

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  • Blend of rubber/nano-carbon material coated artificial stone polishing waste and preparation method thereof
  • Blend of rubber/nano-carbon material coated artificial stone polishing waste and preparation method thereof
  • Blend of rubber/nano-carbon material coated artificial stone polishing waste and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] In terms of mass percentage, the consumption of each raw material is as follows:

[0047]

[0048]

[0049] Mix artificial stone polishing waste and water at a mass ratio of 1:2, stir for 1 hour, and rotate at a speed of 600r min -1 Obtain a suspension of polishing waste, then add graphene oxide into deionized water, stir for 1h, and rotate at a speed of 600r min -1 , ultrasonically dispersed for 2h, made into 5wt% graphene oxide aqueous dispersion, then the graphene oxide aqueous dispersion was added in the polishing waste suspension, wherein the mass ratio of graphene oxide and polishing waste was 1:20, stirring 1h, speed 600r·min -1 , so that graphene oxide is evenly coated on the surface of the polishing waste, the polishing waste is left to stand, suction filtered, and moisture is removed, and then the polishing waste is dried in an oven under the condition of 90 ° C × 2h to obtain graphene oxide Coated polishing waste;

[0050] The nitrile rubber is masti...

Embodiment 2

[0052] In terms of mass percentage, the consumption of each raw material is as follows:

[0053]

[0054] Mix artificial stone polishing waste and water at a weight ratio of 1:2, stir for 2 hours, and rotate at a speed of 300r min -1 , to obtain a suspension of polishing waste, then add graphene oxide into deionized water, stir for 2 hours, and rotate at a speed of 600r·min -1 , ultrasonically dispersed for 3h, made into a 5wt% graphene oxide water dispersion, and then the water dispersion was added to the polishing waste suspension, wherein the mass ratio of graphene oxide and polishing waste was 1:30, stirred for 2h, and the speed 600r·min -1 , so that graphene oxide is evenly coated on the surface of the polishing waste, the polishing waste is left to stand, suction filtered, and moisture is removed, and then the polishing waste is dried in an oven under the condition of 90°C×4h to obtain graphene oxide Coated polishing waste;

[0055] The nitrile rubber is masticated...

Embodiment 3

[0057] In terms of mass percentage, the consumption of each raw material is as follows:

[0058]

[0059] Mix artificial stone polishing waste and water at a mass ratio of 1:2, stir for 1 hour, and rotate at a speed of 600r min -1 , to obtain a suspension of polishing waste, and then add graphene to deionized water, stir for 2h, and rotate at a speed of 600r·min -1 , ultrasonic dispersion 3h, be made into 5wt% graphene aqueous dispersion, then water dispersion is added in the polishing waste suspension, wherein the mass ratio of graphene and polishing waste is 1:20, stirs 1h, rotating speed 600r· min -1 , let graphene evenly cover the surface of the polishing waste, put the polishing waste to stand, suction filter, remove water, and then dry the polishing waste in an oven under the condition of 90 ° C × 2h, to obtain graphene coating Repolishing waste;

[0060] The nitrile rubber is masticated with a rubber internal mixer, and the rotor speed is 40r min -1 , add graphen...

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Abstract

The invention discloses a blend of rubber / nano carbon material-cladding artificial stone polishing and grinding waste as well as a preparation method of the blend. The blend is prepared from the following raw materials by weight percent: 25 to 80 percent of rubber, 0.5 to 3 percent of nano carbon material, 10 to 60 percent of polishing and grinding waste, 1 to 5 percent of activating agent, 1 to 5percent of vulcanizing agent, 1 to 3 percent of accelerant, 1 to 5 percent of softening agent, and 1 to 3 percent of anti-aging agent. When in preparation, the polishing and grinding waste and the water are mixed and stirred to form suspension. The aqueous dispersion of a nano carbon material is added into the suspension, and the nano carbon material covers the surface of the polishing and grinding waste and is dried to obtain the nano carbon material-cladding polishing and grinding waste. The rubber is plasticized and added into the nano carbon material-cladding polishing and grinding waste,then the activating agent, the softening agent, the anti-aging agent, a cross-linking agent and the accelerant are added to obtain mixed rubber, and the mixed rubber is vulcanized to obtain a targetproduct. The nano carbon material-cladding polishing and grinding waste prepared by the invention is high in surface activity, and capable of effectively improving an interface effect of the polishingand grinding waste and a rubber matrix.

Description

technical field [0001] The invention relates to the technical field of environmental protection recycling of artificial stone polishing waste, in particular to a blend of rubber / nano carbon material coated artificial stone polishing waste and a preparation method thereof. Background technique [0002] In recent years, my country's economy has developed rapidly, the level of urbanization and people's consumption level have been continuously improved, and the artificial stone industry has also achieved rapid growth, and has made great contributions to the local economy. However, there are many problems in the artificial stone industry at the same time, such as mountain damage, environmental pollution, waste pollution, etc., especially the pollution of artificial stone processing waste is more prominent. [0003] At present, the vast majority of artificial stone processing enterprises in my country cannot use the waste generated in the stone processing process, such as mud and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L9/02C08L9/06C08L9/00C08L7/00C08L23/16C08L11/00C08L91/00C08K13/06C08K9/10C08K3/36C08K3/04C08K5/09C08K5/47C08K5/40C08K5/11C08K5/14
CPCC08K3/04C08K3/36C08K5/09C08K5/11C08K5/40C08K5/47C08K9/10C08K13/06C08L7/00C08L9/00C08L9/06C08L23/16C08L9/02C08L91/00C08K5/14C08K5/39C08L11/00
Inventor 郭建华熊俊彬陈旭明
Owner SOUTH CHINA UNIV OF TECH
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