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Antistatic rubber plate and preparation method thereof

A rubber sheet and antistatic technology, which is applied in the field of rubber sheet and its preparation, can solve the problems of flying black dust and pollution, mixing time, long and difficult rubber molding, and high production cost, so as to shorten the production time and reduce the production cost. Cost, the effect of increasing production capacity

Active Publication Date: 2015-06-17
CHONGQING JUYI RUBBER PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For the existing production formula and process, there are generally disadvantages such as large black pollution caused by graphite, high cost, and difficult production. In production, natural rubber, recycled rubber, graphite and chemical raw materials are internally mixed with a banbury mixer, and the open mixer is opened Refining, three-roll calender calendering, flat vulcanizing machine vulcanization, trimming, cutting and forming, inspection and packaging process
In the process of banburying and opening refining, due to the light specific gravity of graphite, it is easy to fly and cause black dust pollution; in addition, the time of banburying and refining is long and it is difficult to mix and form rubber. The price of graphite is about 4000 yuan / T, which makes the production cost relatively high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The raw materials for production are the following components by weight:

[0021] 80 parts of regenerated rubber, 70 parts of 300 mesh titanium concentrate powder, 3 parts of zinc oxide, 2 parts of sulfur, 2 parts of stearic acid, 2 parts of accelerator, 2.5 parts of anti-aging agent, 5 parts of pine tar; Smelting, smelting, calendering, and vulcanization to obtain antistatic rubber sheets, and the grade of adding titanium concentrate powder is more than 60%.

[0022] The antistatic rubber sheet made by the above method, after multiple tests, has a tensile strength of 7-8MPa, an elongation of 520%-560%, a hardness of 65-67 Shore A, a permanent deformation of 15-17, and a specific gravity of 1.5g. / cm3, resistance <400Ω, and all technical indicators meet the requirements of the national standard for antistatic rubber sheets.

Embodiment 2

[0024] The raw materials for production are the following components by weight:

[0025] 70 parts of regenerated rubber, 50 parts of 500 mesh titanium concentrate powder, 1 part of zinc oxide, 1 part of sulfur, 1 part of stearic acid, 1 part of accelerator, 1.5 parts of anti-aging agent, 3 parts of pine tar; Smelting, smelting, calendering, and vulcanization to obtain antistatic rubber sheets, and the grade of adding titanium concentrate powder is more than 60%.

[0026] The antistatic rubber sheet made by the above method has been tested many times, and the tensile strength is 6.5-7MPa, the elongation is 450%-480%, the hardness is 65-70 Shore A, the permanent deformation is 17-19, and the specific gravity is 1.5g. / cm3, resistance <400Ω, and all technical indicators meet the requirements of the national standard for antistatic rubber sheets.

Embodiment 3

[0028] The raw materials for production are the following components by weight:

[0029] 75 parts of regenerated rubber, 60 parts of 400 mesh titanium concentrate powder, 2 parts of zinc oxide, 1.5 parts of sulfur, 1.5 parts of stearic acid, 1.5 parts of accelerator, 2 parts of antioxidant, 4 parts of pine tar; Smelting, smelting, calendering, and vulcanization to obtain antistatic rubber sheets, and the grade of adding titanium concentrate powder is more than 60%.

[0030] The antistatic rubber sheet made by the above method, after multiple tests, has a tensile strength of 4.5-5MPa, an elongation of 470%-500%, a hardness of 60-62 Shore A, a permanent deformation of 15-16, and a specific gravity of 1.5g. / cm3, resistance <400Ω, and all technical indicators meet the requirements of the national standard for antistatic rubber sheets.

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Abstract

The invention discloses an antistatic rubber plate. The antistatic rubber plate is characterized by being mainly prepared from the following raw materials in parts by weight: 70-80 parts of regenerated rubber, 50-70 parts of titanium concentrate powder, 1-3 parts of zinc oxide, 1-2 parts of sulfur, 1-2 parts of stearic acid, 1-2 parts of an accelerant, 1.5-2.5 parts of an anti-aging agent and 3-5 parts of pine tar. The invention also provides a preparation method of the antistatic rubber plate. The antistatic rubber plate disclosed by the invention does not adopt graphite, the conductive function of the titanium concentrate powder in the antistatic rubber plate is established, and the regenerated rubber is adopted as a raw material on the premise that the quality of the antistatic rubber plate is ensured, so that the production and manufacturing cost is greatly reduced and pollution can be reduced; the cost is greatly reduced and the yield is greatly improved.

Description

technical field [0001] The invention relates to a rubber sheet and a preparation method thereof, in particular to an antistatic rubber sheet and a preparation method thereof. Background technique [0002] Antistatic rubber sheets are widely used in science and technology fields such as electronics, chemical industry, military, and aerospace. Antistatic rubber sheets mainly play the role of preventing static electricity, effectively preventing dryness, and preventing static interference. The existing production methods use natural rubber, recycled Rubber, graphite and other chemical raw materials are used to produce antistatic rubber sheets. [0003] For the existing production formula and process, there are generally disadvantages such as large black pollution caused by graphite, high cost, and difficult production. In production, natural rubber, recycled rubber, graphite and chemical raw materials are internally mixed with a banbury mixer, and the open mixer is opened Refi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L17/00C08L7/00C08K13/02C08K3/00C08K3/22C08K3/06C08K5/09
Inventor 王文
Owner CHONGQING JUYI RUBBER PROD
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