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Octavinyl-polyhedral oligomeric silsesquioxane modified fluororubber

A technology of silsesquioxane and modified fluororubber, which is applied in the field of rubber sealing, can solve the problem of low binding force between strontium ferrite magnetic nanoparticles and rubber, and achieve excellent dynamic mechanical properties and good sealing effect

Active Publication Date: 2021-07-23
青岛睿智森油封有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strontium ferrite magnetic nanoparticles prepared by this method have relatively low binding force to rubber, and it is urgent to find a modified substance with high binding force to rubber to modify the rubber.

Method used

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  • Octavinyl-polyhedral oligomeric silsesquioxane modified fluororubber
  • Octavinyl-polyhedral oligomeric silsesquioxane modified fluororubber
  • Octavinyl-polyhedral oligomeric silsesquioxane modified fluororubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Step (1) Tested by weight of 10% by weight -2 μM hydroforms, 60 parts of octade-cage sedamine oxide, 80 parts of fluorine rubber, 20 parts of toluene, 4-dimethylaminopyridine, DMEA, 5 parts of DMEA, and 2 Ethylene triamine 5 serviles.

[0031] Step (2) A mixed solution is prepared in a container of the hydroxide, an octylene-cage sedamine oxide and a toluene, and a mixed solution is prepared, and 4-dimethylaminopyridine and DMEA were added to the nitrogen protection environment. The temperature of the container is set to 100 ° C, the reaction time is 10 h, after the reaction is completed, filtrate dried to give a modified octylene-cage multipolane.

[0032] Step (3) Put the fluororne rubber into the chamber into a mixer of nitrogen protection, mix for 5 min, then modify the vinyl triplipide sedamine oxide and diethyltride acetic acid, divided into equivalents After the 5 part, gradually add to the mesh, the temperature of the mesh is set to 150 ° C, the rotation speed of th...

Embodiment 2

[0034] Step (1) Take 60 parts by weight of 10-6 μm, 80 parts of the grain diameter, 80 parts of octiethylene-cage sedaleziloxane, 100 parts of fluorine rubber, and a concentration of 98% toluene. 4-dimethylaminopyridine 20 parts, DMEA 15 parts and 15 parts of diethylethyltride acetic acid.

[0035] Step (2) In a container of strontium ferrite, octylene-cage multiplier semi-siloxane and toluene to a nitrogen protection environment, preparing a mixed solution, ultrasound for 2 hours, and 4-dimethylaminopyridine and DMEA, The temperature of the container is set to 150 ° C, the reaction time is 20 h, after the reaction is completed, filtrate dried to give a modified octylene-cage multiplier semiciloxane.

[0036] Step (3) Put the fluororne rubber into the chamber as a mixture of nitrogen protection, mix 10 min, and then modify the octagonal-cage sedamine oxide and diethyltridine five acetic acid, divided into equivalents. After the 5 part, gradually add to the renewal, the temperature...

Embodiment 3

[0038] Step (1) Note 50 parts by weight of a strontium ferrite having a particle size of 10-4 μm, 70 parts of an octylene-cage sediment sedamine oxide, 90 of fluorine rubber, and 25 parts of toluene in concentration of ≥95%. 15 parts of 4-dimethylaminopyridine, 10 parts of DMEA10 parts and diethyltridine five acetic acid.

[0039] Step (2) In the container of the strontium ferrite, an octylene-cage multipolane and the toluene to a nitrogen protection environment, prepared a mixed solution, ultrasonic 1-2 hours, and add 4-dimethylaminopyridine and DMEA, the temperature of the container is set to 120 ° C, the reaction time is 15 h, after the reaction is completed, filtrate is filtered to give the modified octylene-cage multipolane.

[0040] Step (3) Put the fluororne rubber into the chamber into a mixture of nitrogen protection, mix 8 min, then modify the vinyl-cage sedamine oxide and diethyltridine five acetic acid, divided into equivalents The 5 part gradually added to the immanth...

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Abstract

The invention provides octavinyl-polyhedral oligomeric silsesquioxane modified fluororubber. The modified fluororubber is prepared from the following raw materials in parts by weight: 60-80 parts of octaethylene-polyhedral oligomeric silsesquioxane; 40-60 parts of strontium ferrite; 80-100 parts of fluororubber; 10-20 parts of 2, 4-dimethylaminopyridine; 5-15 parts of DMEA; and 5-15 parts of diethylene triamine pentaacetic acid. The beneficial effects are as follows: the invention discloses magnetic modified fluororubber octavinyl-polyhedral oligomeric silsesquioxane, the sealing element product prepared by using the magnetic modified fluororubber can solve the problems of poor elasticity and poor mechanical property of a magnetic sealing element in the prior art, and can ensure that the sealing element still keeps a relatively good sealing effect after reciprocating for 3 million times.

Description

Technical field [0001] The present invention relates to rubber sealing techniques, and more particularly to an eight-vinyl-cage-type semi-silicone modified fluoro rubber. Background technique [0002] Fluorine rubber (FKM) has excellent high temperature resistance, oil-resistant, solvent resistance, and many chemical erosion resistance. It is widely used in many cutting-edge applications such as modern aviation, defense military, electronic communications, universe navigation, petrochemical, mechanical manufacturing. With the introduction of the "European Tire Labeling Regulations", the requirements for automotive tires are getting higher and higher. In recent years, the amount of fluorine rubber in the car is also growing, and the technology development relative to fluororubber is also steadily advanced. Fluorine rubber is widely used as a sealing article in the automotive field in a sealing article under harsh usage. Usually, such sealing products are subjected to double effect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L83/07C08K3/22C08K5/357
CPCC08L27/12C08L83/04C08K3/22C08K5/357
Inventor 姚凤霞韩志刚
Owner 青岛睿智森油封有限公司
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