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Synchronous gear box cover gasket rubber material and preparation method thereof

A cover gasket and gearbox technology, applied in the field of synchronous gearbox cover gasket rubber and its preparation, can solve the problem of unsatisfactory sealing performance, achieve low raw material and production costs, good process performance, and improve overall performance Effect

Inactive Publication Date: 2013-04-17
马鞍山市中澜橡塑制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology helps make better rubber products by mixing different types of materials together instead of just one type like Acrylene Rubber or Polyurethane (PU). It also makes sure that there are no harmful substances added during processing. By doing this, these new rubber compositions can be used for various applications where high levels of stress may occur at certain locations without causing damage over their lifetime.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the thermal insulation property and durability of rubbing components made from specific types of polymers called ACM while also maintaining their good processability at elevated temperatures during prolonged periods without losing effectiveness over longer times due to environmental factors like fuel supply changes.

Method used

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Experimental program
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Embodiment Construction

[0023] Preparation of a synchronous gearbox cover gasket compound,

[0024] Weigh 52kg of acrylic rubber (AR-100), 35kg of hydrogenated nitrile rubber (Japan Zeon hydrogenated nitrile rubber 2020), 15kg of nitrile rubber N240, 13kg of chlorosulfonated polyethylene rubber (CSM2305), 1.5kg of spermaceti, Ferrocene 1.5kg, ammonium persulfate 1.5kg, carbon black N110 15kg, precipitated white carbon black 18kg, magnesium oxide 3kg, molybdenum disulfide 1.5kg, barium stearate 3kg, modified bentonite 6kg, modified iron tailings slag powder 12kg, modified tree ash 10kg, stearic acid 0.5kg, zinc oxide 5kg, antioxidant 1010 1.5kg, antioxidant 4020 1.5kg, methyltrimethoxysilane 2kg, butyl stearate 0.7kg, epoxy Linseed oil 20kg,

[0025] The preparation method comprises the following steps:

[0026] (1) Preparation of modified tree ash:

[0027] Soak the tree ash with 10-15% sodium hydroxide solution for 3-4 hours, remove it, and dry it at 40-45°C until the water content is 2-3%, then ...

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Abstract

The invention discloses a synchronous gear box cover gasket rubber material, which is prepared from the following raw materials in parts by weight: 50 to 55 parts of acrylate rubber, 30 to 40 parts of hydrogenated butadiene-acrylonitrile rubber, 14 to 16 parts of butadiene-acrylonitrile rubber N240, 12 to 14 parts of chlorosulfonated polyethylene rubber, 1 to 2 parts of spermaceti wax, 1 to 2 parts of dicyclopentadienyl iron, 1 to 2 parts of ammonium persulfate, 10 to 20 parts of carbon black N110, 10 to 20 parts of precipitated silica, 2 to 4 parts of magnesium oxide, 1 to 2 parts of molybdenum disulfide, 2 to 4 parts of barium stearate, 5 to 7 parts of modified bentonite, 10 to 13 parts of modified iron tailing powder, 9 to 11 parts of modified tree ash, 0.4 to 0.6 part of stearic acid, 4 to 6 parts of zinc oxide, 1 to 2 parts of antioxidant 1010, 1 to 2 parts of anti-aging agent, 1 to 3 parts of methyl trimethoxy silane, 0.5 to 1 part of butyl stearate, and 19 to 21 parts of epoxy linseed oil. The rubber material has excellent ozone resistance and low-temperature resistance, is heat-resistant, large in using temperature range and environment-friendly in process, and can be used for making various gaskets.

Description

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Claims

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Application Information

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Owner 马鞍山市中澜橡塑制品有限公司
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