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Graphene natural rubber composite material for conveying belt covering glue, and preparation method thereof

A technology of natural rubber and composite materials, applied in the field of rubber conveyor belts, can solve the problems of increasing product cost and energy consumption, increasing product cost, polluting the environment, etc. Effect

Inactive Publication Date: 2018-06-22
BEIJING RES & DESIGN INST OF RUBBER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition of a large amount of carbon black in the mixing process not only consumes a lot of energy, but also pollutes the environment; and the use of synthetic rubber such as polyurethane rubber increases the cost of the product
In Chinese patent CN101875731B, two-stage dry mixing is adopted, 25-35 parts of natural rubber and 65-75 parts of butadiene rubber are used. Although the strength and wear resistance of the rubber compound are improved, the product cost and energy are increased. consumption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Add 130 parts of graphene natural rubber composite material into the internal mixer for mastication, which contains 1 part of graphene, 9 parts of pyrophyllite, and 20 parts of white carbon black, and then add 5 parts of zinc oxide and 3 parts of stearic acid in order to prevent aging 1 part of anti-aging agent RD, 1.5 parts of anti-aging agent 4020, 3 parts of silane coupling agent, 30 parts of N220, 8 parts of aromatic oil, mixed for 5 minutes to obtain a section of mixed rubber; add a section of mixed rubber to the open mill, and then add sulfur 2 parts, 1 part of accelerator NS, 1 part of accelerator TMTD, mixed for 5 minutes to obtain the second-stage compound rubber; vulcanized on a flat vulcanizer at a vulcanization temperature of 150 °C. The physical and mechanical properties of the covering rubber are shown in Table 1.

Embodiment 2

[0018] Add 130 parts of graphene natural rubber composite material into the internal mixer for mastication, which contains 5 parts of graphene, 10 parts of pyrophyllite, and 25 parts of white carbon black, and then add 5 parts of zinc oxide and 3 parts of stearic acid in order to prevent aging 1 part of anti-aging agent RD, 1.5 parts of anti-aging agent 4020, 4 parts of silane coupling agent, 20 parts of N220, 8 parts of aromatic oil, mixed for 5 minutes to obtain a section of rubber mixture; add a section of rubber mixture to the open mill, and then add sulfur 2 parts, 1 part of accelerator NS, 1 part of accelerator TMTD, mixed for 5 minutes to obtain the second-stage compound rubber; vulcanized on a flat vulcanizer at a vulcanization temperature of 150 °C. The physical and mechanical properties of the covering rubber are shown in Table 1.

Embodiment 3

[0020] Add 130 parts of graphene natural rubber composite material into the internal mixer for mastication, which contains 3 parts of graphene, 7 parts of pyrophyllite, and 30 parts of white carbon black, and then add 5 parts of zinc oxide and 3 parts of stearic acid in order to prevent aging 1 part of anti-aging agent RD, 1.5 parts of anti-aging agent 4020, 4 parts of silane coupling agent, 20 parts of N220, 8 parts of aromatic oil, mixed for 5 minutes to obtain a section of rubber mixture; add a section of rubber mixture to the open mill, and then add sulfur 2 parts, 1 part of accelerator NS, 1 part of accelerator TMTD, mixed for 5 minutes to obtain the second-stage compound rubber; vulcanized on a flat vulcanizer at a vulcanization temperature of 150 °C. The physical and mechanical properties of the covering rubber are shown in Table 1.

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PUM

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Abstract

The invention relates to a graphene natural rubber composite material for conveying belt covering glue, and a preparation method thereof. The preparation method comprises: preparing a graphene naturalrubber composite material by using graphene, layered silicate, white carbon black and natural latex as raw materials through a wet mixing technology; carrying out plastication on the graphene natural rubber composite material, sequentially adding zinc oxide, stearic acid, an anti-aging agent, a silane coupling agent, a reinforcing agent and aromatic hydrocarbon oil, and carrying out first mixing; and adding sulfur and an accelerator, and carrying out second mixing to obtain the product. According to the present invention, by using the graphene natural rubber composite material as the conveying belt covering glue, the mechanical property and the wear resistance of the glue are improved so as to prolong the service life of the conveying belt; and with the application of the graphene natural rubber composite material, the advantages of environmental pollution reducing, energy saving and consumption reduction are achieved.

Description

technical field [0001] The invention relates to a rubber conveyor belt, in particular to a graphene natural rubber composite material used for a conveyor belt covering rubber and a preparation method thereof. Background technique [0002] Conveyor belts are used to carry and transport various solid block and powder materials or finished items, and are widely used in cement, coking, metallurgy, chemical, steel and other industries. During use, due to the long-term contact between the material and the conveyor belt, impact, friction, and abrasion of the covering layer by the scraper, the wear resistance of the conveyor belt cover rubber decreases and it is easy to fall off, thereby shortening the life of the conveyor belt. Improving the performance of conveyor belt covering rubber and prolonging the service life of conveyor belts has always been the research direction of enterprises and scientific researchers. [0003] In order to improve the tensile strength, wear resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08K13/04C08K7/00C08K3/34C08K3/04C08K3/36
Inventor 陆铭王婷王永伟
Owner BEIJING RES & DESIGN INST OF RUBBER IND
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