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Preparation method of rubber for outer glue layer of power steering tube of automobile

A technology of power steering tube and outer rubber layer, applied in the field of rubber parts for automobiles, can solve problems such as poor heat resistance, and achieve the effect of improving heat resistance

Inactive Publication Date: 2015-01-14
南京中配橡塑制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to provide a preparation method of rubber for the outer rubber layer of automobile power steering pipe, which can solve the problem of poor heat resistance of the existing rubber for the outer rubber layer of automobile power steering pipe

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The rubber used for the outer rubber layer of the automobile power steering tube adopts the following raw materials: 6.0 kg of chlorosulfonated polyethylene; 4.0 kg of nitrile rubber; 1.5 kg of quick-pressed carbon black; kg; magnesium oxide 1.0kg; zinc diethyldithiocarbamate 0.1kg; dilauryl thiodipropionate 0.2kg; zinc stearate 0.1kg; 2,2'-dithiodibenzothiazole 0.5 kg; Trimeric thiocyanate 0.05kg; Trioctyl trimellitate 1.5kg; Magnesium strong powder 0.5kg; Sulfur 0.2kg;

[0015] Its preparation method comprises the following steps:

[0016] A. Chlorosulfonated polyethylene, fast extruded carbon black, thermal black, magnesium oxide, zinc diethyldithiocarbamate, dilauryl thiodipropionate, stearic acid in the above raw materials Zinc, 2, 2'-dithiodibenzothiazole, trioctyl trimellitate and magnesium powder are placed in the internal mixer for internal mixing, and after the internal mixing is completed, the glue temperature is 160°C Glue removal to prepare masterbatch; ...

Embodiment 2

[0020] The rubber used for the outer rubber layer of the automobile power steering tube adopts the following raw materials: 10.0 kg of chlorosulfonated polyethylene; 4.0 kg of nitrile rubber; 1.2 kg of quick-pressed carbon black; kg; magnesium oxide 0.8kg; zinc diethyldithiocarbamate 0.15kg; dilauryl thiodipropionate 0.15kg; zinc stearate 0.2kg; 2,2'-dithiodibenzothiazole 0.4 kg; Tripolythiocyanate 0.07kg; Trioctyl trimellitate 1.3kg; Magnesium strong powder 0.7kg; Sulfur 0.1kg;

[0021] Its preparation method comprises the following steps:

[0022] A. Chlorosulfonated polyethylene, fast extruded carbon black, thermal black, magnesium oxide, zinc diethyldithiocarbamate, dilauryl thiodipropionate, stearic acid in the above raw materials Zinc, 2, 2'-dithiodibenzothiazole, trioctyl trimellitate and magnesium powder are placed in the internal mixer for internal mixing, and after the internal mixing is completed, the glue temperature is 160°C Glue removal to prepare masterbatch; ...

Embodiment 3

[0026] The rubber used for the outer rubber layer of the automobile power steering tube adopts the following raw materials: 10.0 kg of chlorosulfonated polyethylene; 4.0 kg of nitrile rubber; 1.0 kg of quick-pressed carbon black; kg; magnesium oxide 0.5kg; zinc diethyldithiocarbamate 0.2kg; dilauryl thiodipropionate 0.1kg; zinc stearate 0.3kg; 2,2'-dithiodibenzothiazole 0.3 kg; Tripolythiocyanate 0.08kg; Trioctyl trimellitate 1.0kg; Magnesium strong powder 1.0kg; Sulfur 0.15kg;

[0027] Its preparation method comprises the following steps:

[0028] A. Chlorosulfonated polyethylene, fast extruded carbon black, thermal black, magnesium oxide, zinc diethyldithiocarbamate, dilauryl thiodipropionate, stearic acid in the above raw materials Zinc, 2, 2'-dithiodibenzothiazole, trioctyl trimellitate and magnesium powder are placed in the internal mixer for internal mixing, and after the internal mixing is completed, the glue temperature is 160°C Glue removal to prepare masterbatch; ...

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Abstract

The invention discloses a preparation method of rubber for an outer glue layer of a power steering tube of an automobile and belongs to the technical field of rubber parts for automobiles. The preparation method comprises the following steps: mixing chlorosulfonated polyethylene, fast extruding furnace black, carbon black prepared by a cracking process, magnesium oxide, zinc diethyl dithiocarbamate, dilauryl thiodipropionate, zinc stearate, 2,2'-dithiodibenzo thiazole, trioctyl trimellitate and strong magnesium powder in an external mixer, and after mixing, discharging rubber under a condition that the rubber temperature is 160 DEG C to prepare masterbatch; and putting the prepared masterbatch into the external mixer, adding trithiocyanuric acid and sulfur in the raw materials and mixing; and after mixing, sequentially extruding at a certain temperature interval to prepare the rubber for the outer glue layer of the power steering tube of the automobile. Compared with the rubber for the outer glue layer of the power steering tube of the automobile prepared in the prior art, the rubber prepared by the preparation method has the advantage that the heat resistance of the rubber is effectively improved by mutual synergistic effect among the raw materials and matching corresponding extrusion temperatures.

Description

technical field [0001] The invention relates to the technical field of rubber parts for automobiles, in particular to a method for preparing rubber for an outer rubber layer of an automobile power steering tube. Background technique [0002] The power steering tube is a product with high technical content in the automotive steering system components. With the rapid development of the automobile industry, the application of power steering tubes in automotive steering systems is becoming more and more common. At the same time, the performance requirements for automotive power steering tubes are also increasing, especially their heat resistance. Automotive power steering tubes are generally made of inner and outer rubber. At present, although people continue to study and improve the heat resistance of the rubber used for the outer rubber layer of the automobile power steering tube, the effect is not obvious, and the heat resistance still needs to be improved. Contents of the...

Claims

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Application Information

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IPC IPC(8): C08L23/34C08L9/02C08K13/02C08K3/04C08K3/22C08K5/39C08K5/372C08K5/098C08K5/47C08K5/12C08K3/06B29C47/92B29C48/92
CPCB29C48/92B29C2948/92704C08K2201/014C08L23/34C08L2201/08C08L2203/18C08L9/02C08K13/02C08K3/04C08K2003/2296C08K2003/222C08K5/39C08K5/372C08K5/098C08K5/47C08K5/12C08K3/06
Inventor 陈永亮
Owner 南京中配橡塑制品有限公司
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