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Production process of rubber accelerator CBS

A technology of rubber accelerator and production process, which is applied in the production process field of rubber accelerator CBS, to achieve the effects of reducing production cost, low impurity content, and prolonging service life

Inactive Publication Date: 2015-06-03
TIANJIN YIHUA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the existing rubber accelerator production process, the invention provides a production process for rubber accelerator CBS

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of production technology of rubber accelerator CBS is characterized in that:

[0026] Specific steps are as follows:

[0027] (1) Sodium hypochlorite process

[0028] Close the discharge cut-off door at the bottom of the sodium reaction kettle; check whether the sodium kettle is empty. Before injecting alkali into the kettle, ensure that there is no sodium in the kettle, and then open the manhole rubber plug; Alkali cut-off gate and the alkali cut-off gate of the secondary sodium kettle, and at the same time, return the alkali meter to "0", start the soda pump, add 1000L of lye with an alkali content of 25.2% to the secondary sodium kettle, then stop the alkali pump and turn off Alkali inlet cut-off door; open the secondary sodium kettle to stir, and at the same time open the cooling water cut-off door of the secondary sodium kettle jacket, and start to cool down; lower the alkali in the secondary sodium kettle to 18°C, open the chlorine gas cut-off door on the ...

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Abstract

The invention discloses a production process of a rubber accelerator CBS, which comprises the following steps: preparing sodium hypochlorite, and after the prepared sodium hypochlorite passes through a chemical examination, taking the sodium hypochlorite for standby application; simultaneously adding M and the sodium hypochlorite into an oxidation kettle in certain proportion, wherein the oxidation kettle is filled with quantitative water and cyclohexylamine; oxidizing the obtained object so as to obtain a finished product CBS; and carrying out water washing, dehydration and drying on the CBS, and then packaging the obtained product. The production process disclosed by the invention has the beneficial effects that the method can improve the yield and purity of the accelerator CBS, improve the yield and the product quality, and reduce the production cost; and rubber products prepared by using the accelerator prepared by using the method are low in impurity content, and the service lives of the rubber products are prolonged.

Description

(1) Technical field [0001] The invention relates to a production process of a rubber accelerator, in particular to a production process of a rubber accelerator CBS. (2) Background technology [0002] At present, the rubber accelerator CBS is one of the commonly used aftereffect accelerators, which has two advantages of excellent scorch resistance and short vulcanization time. When used together with accelerators MBT, TMTD and MBTS, it can improve the modulus and tensile strength of vulcanized rubber. The accelerator is especially suitable for natural rubber and synthetic rubber reinforced with carbon black by the oil furnace method with strong alkalinity, and has slight discoloration, no blooming, and excellent aging resistance of the vulcanized rubber. It is mainly suitable for the manufacture of tires, rubber shoes, rubber hoses, Tapes, cables and other industrial products. However, due to the influence of the production process of the current rubber accelerator CBS, the...

Claims

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Application Information

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IPC IPC(8): C07D277/80
CPCC07D277/80
Inventor 张维仁李慧兰岳姝雅万志杰
Owner TIANJIN YIHUA CHEM
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