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High-temperature-resisting steel cord conveyor belt glue and preparation method thereof

A technology for steel wire rope core and conveyor belt, applied in the field of high temperature resistant steel wire rope core conveyor belt adhesive and its preparation, can solve the problems of EPDM self-adhesion and poor mutual adhesion, and achieve high adhesion strength and high adhesion strength retention rate. Effect

Inactive Publication Date: 2014-01-08
WUXI UNIVERSAL STEEL ROPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, EPDM has poor self-adhesiveness and mutual adhesion, and as the main material of the adhesive glue, it must solve the problem of its adhesion to the steel wire rope.

Method used

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  • High-temperature-resisting steel cord conveyor belt glue and preparation method thereof
  • High-temperature-resisting steel cord conveyor belt glue and preparation method thereof
  • High-temperature-resisting steel cord conveyor belt glue and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] High-temperature-resistant steel cord conveyor belt adhesive compound formula of the present invention:

[0022]

[0023] The components of the above formula are mixed on an open mill according to the conventional process, and the obtained mixed rubber is vulcanized on a flat vulcanizer, and the condition of the vulcanization is 160 ° C × (t 90 +3min).

[0024] Test the tensile strength (MPa), elongation at break (%) and adhesive strength before and after aging (kN / m) of the obtained high-temperature-resistant steel cord conveyor belt adhesive. standard; the results are as follows:

[0025] Tensile strength: 17.5MPa;

[0026] Elongation at break: 415%

[0027] Adhesive strength before aging: 146kN / m;

[0028] Adhesive strength after aging: 156kN / m.

[0029] From the above results, it can be seen that the bonding strength between the adhesive and the steel wire rope is relatively high, and the retention rate of the bonding strength after hot air aging is high.

Embodiment 2

[0031] High-temperature-resistant steel cord conveyor belt adhesive compound formula of the present invention:

[0032]

[0033] The components of the above formula are mixed on an open mill according to the conventional process, and the obtained mixed rubber is vulcanized on a flat vulcanizer, and the condition of the vulcanization is 160 ° C × (t 90 +3min).

[0034] Test the tensile strength (MPa), elongation at break (%) and adhesive strength before and after aging (kN / m) of the obtained high-temperature-resistant steel cord conveyor belt adhesive. standard; the results are as follows:

[0035] Tensile strength: 18.6MPa;

[0036] Elongation at break: 400%

[0037] Adhesive strength before aging: 158kN / m;

[0038] Adhesive strength after aging: 162kN / m.

[0039] From the above results, it can be seen that the bonding strength between the adhesive and the steel wire rope is relatively high, and the retention rate of the bonding strength after hot air aging is high.

Embodiment 3

[0041] High-temperature-resistant steel cord conveyor belt adhesive compound formula of the present invention:

[0042]

[0043] The components of the above formula are mixed on an open mill according to the conventional process, and the obtained mixed rubber is vulcanized on a flat vulcanizer, and the condition of the vulcanization is 160 ° C × (t 90 +3min).

[0044] Test the tensile strength (MPa), elongation at break (%) and adhesive strength before and after aging (kN / m) of the obtained high-temperature-resistant steel cord conveyor belt adhesive. standard; the results are as follows:

[0045] Tensile strength: 17.9MPa;

[0046] Elongation at break: 385%

[0047] Adhesive strength before aging: 162kN / m;

[0048] Adhesive strength after aging: 166kN / m.

[0049] From the above results, it can be seen that the bonding strength between the adhesive and the steel wire rope is relatively high, and the retention rate of the bonding strength after hot air aging is high.

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Abstract

The invention discloses high-temperature-resisting steel cord conveyor belt glue and a preparation method thereof. The high-temperature-resisting steel cord conveyor belt glue contains, by weight, 80-120 parts of ethylene-propylene-diene monomer, 30-55 parts of carbon black, 2-8 parts of zinc oxide, 1-5 parts of stearic acid, 8-16 parts of paraffin oil, 0.5-4 parts of quinoline antiager, 2-8 parts of binder, and 2-5 parts of vulcanizing agent. Bonding strength between the formula glue and steel cords is high, and the glue has high bonding strength retention rate after aged by hot air.

Description

technical field [0001] The invention relates to the technical field of high-temperature-resistant steel cord conveyor belts, in particular to an adhesive glue for high-temperature-resistant steel cord conveyor belts and a preparation method thereof. Background technique [0002] High temperature resistant steel cord conveyor belts are widely used in iron and steel, coking, mining and heavy industries, mainly in high temperature, long distance, high speed, heavy load continuous operation occasions. [0003] Ethylene-propylene-diene rubber (EPDM) is a terpolymer of ethylene, propylene and non-conjugated dienes. Commercial production began in 1963, and the annual world consumption is 800,000 tons. The most important feature of EPDM is its superior oxidation resistance, ozone resistance and corrosion resistance. EPDM has good chemical corrosion resistance, heat aging resistance, weather aging resistance and ozone resistance. It can be used for a long time at 130 ° C and intermi...

Claims

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Application Information

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IPC IPC(8): C09J123/16C09J11/04C09J11/06
Inventor 芮小保
Owner WUXI UNIVERSAL STEEL ROPE
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