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Waterproof anti-corrosion rubber material for automobile seal strips and preparation method thereof

A technology for automotive sealing strips and rubber materials, applied in the field of rubber materials, can solve the problems of low graphite hardness, easy loss, unfavorable lubrication and anti-friction performance, etc., achieve good wear resistance, long service life, improve compatibility and lubrication sexual effect

Inactive Publication Date: 2017-03-15
闻承岳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the hardness of graphite is low and it is easy to wear and tear. Only using graphite as a lubricating component is not conducive to maintaining long-term lubrication and anti-friction performance, and the effect of prolonging the service life of rubber products is limited. It is necessary to improve it

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] A waterproof and corrosion-resistant rubber material for automobile sealing strips, prepared from the following components in weight (kg):

[0016] EPDM rubber 100, white carbon black 40, zinc oxide 2, sulfur S80 1.5, antioxidant MB 1.5, accelerator TMTD 0.3, zinc naphthenate 0.5, methyl trimethoxysilane 3, petroleum sodium sulfonate 0.3, Tetrabutyl titanate 0.5, titanate coupling agent NDZ-4010.15, nano graphite powder 6, polytetrafluoroethylene wax powder 1, castor oil 15, hydroxyfluorosilicone oil 3.

[0017] A preparation method of waterproof and corrosion-resistant automobile sealing strip rubber material includes the following steps:

[0018] (1) Weigh the raw materials by weight, first add white carbon black in a weight ratio of 1:1 to a 4% acetic acid solution and stir for 0.5h to obtain component 1, and then add methyl trimethoxysilane to a weight ratio of 1 : Mix 5 with absolute ethanol to obtain component 2. Mix component 1 with component 2 and stir at 40°C for 2 h...

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Abstract

The invention discloses a waterproof anti-corrosion rubber material for automobile seal strips, wherein the rubber material is prepared from the following raw materials in parts by weight: 100-120 parts of ethylene-propylene-diene monomer, 40-60 parts of white carbon black, 2-4 parts of zinc oxide, 1.5-2.5 parts of sulfur S80, 1.5-2.5 parts of an anti-aging agent MB, 0.3-0.5 part of an accelerator TMTD, 0.5-1 part of zinc naphthenate, 3-5 parts of trimethoxymethylsilane, 0.3-0.5 part of petroleum sodium sulfonate, 0.5-1 part of tetrabutyl titanate, 0.15-0.25 part of a titanate coupling agent NDZ-401, 6-8 parts of a nano graphite powder, 1-2 parts of a polytetrafluoroethylene wax micro-powder, 15-25 parts of castor oil, and 3-5 parts of hydroxyl-fluoro silicone oil. The rubber material has the advantages of good abrasion resistance, lasting antifriction performance, and good waterproof and anti-corrosion properties, and has the advantages of long service life and good sealing performance when used as automobile seal strip materials.

Description

Technical field [0001] The invention relates to the technical field of rubber materials, in particular to a waterproof and corrosion-resistant automobile sealing strip rubber material and a preparation method thereof. Background technique [0002] As an important polymer material that is indispensable in the national economy and daily life, rubber has excellent physical and mechanical properties, elasticity and processing properties. It has a role that other materials cannot replace in many important fields such as automobile transportation, mining, and chemical industry. . Tribological performance is a very important indicator of rubber materials, involving the wear resistance of rubber tire products and the wear resistance of seals. Improving the wear resistance of rubber materials is conducive to increasing its service life, and can bring considerable economic and social benefits in terms of saving energy, materials, and lubricants. [0003] At present, one of the more effecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L27/18C08L83/08C08L91/00C08K13/06C08K9/10C08K3/04C08K9/06C08K3/36
CPCC08K2201/011C08L23/16C08L2205/02C08L2205/035C08L27/18C08L83/08C08L91/00C08K13/06C08K9/10C08K3/04C08K9/06C08K3/36
Inventor 闻承岳
Owner 闻承岳
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