Grinding roller sealing ring materials and preparation method thereof

A sealing ring, grinding roller technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of complex graphene modification process, affecting graphene promotion effect, etc., to achieve good toughening effect and improve heat resistance. , the effect of high specific surface area

Active Publication Date: 2015-04-22
宁波佳乐特橡塑机电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its modification process to graphene is complicated, and it promotes the uniform dispersion of other substances in rubber materials because of the large specific surface area of ​​graphene. If graphene itself is not uniformly dispersed in rubber materials, it will directly affect The promoting effect of graphene on the uniform dispersion of other materials

Method used

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  • Grinding roller sealing ring materials and preparation method thereof
  • Grinding roller sealing ring materials and preparation method thereof
  • Grinding roller sealing ring materials and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The grinding roller sealing ring material of the present embodiment comprises the following components by weight:

[0031]

[0032] The preparation method of the grinding roller sealing ring material of the present embodiment comprises the following steps:

[0033] (1) Preparation of graphene composite material:

[0034] Under ultrasonic conditions, disperse 100 parts of graphene oxide powder in 150 parts of tetrahydrofuran by weight, after graphene oxide forms an amorphous suspension in tetrahydrofuran, add 100 parts of hydrogenated Styrene-butadiene-styrene system mixture, the weight ratio of hydrogenated styrene, butadiene and styrene in the mixture is 1:0.5:1.7;

[0035] After reacting for 1.5h, carry out vacuum distillation, remove the organic solvent and dry to obtain graphene / hydrogenated styrene-butadiene-styrene composite;

[0036] The graphene / hydrogenated styrene-butadiene-styrene composite was melt-blended at 220°C, and the in-situ reduction reaction wa...

Embodiment 2

[0044] The grinding roller sealing ring material of the present embodiment comprises the following components by weight:

[0045]

[0046] The preparation method of the grinding roller sealing ring material of the present embodiment comprises the following steps:

[0047] (1) Preparation of graphene composite material:

[0048] Under ultrasonic conditions, disperse 100 parts of graphene oxide powder in 160 parts of tetrahydrofuran by weight, after graphene oxide forms an amorphous suspension in tetrahydrofuran, add 110 parts of hydrogenation powder to the above suspension under stirring conditions. Styrene-butadiene-styrene system mixture, the weight ratio of hydrogenated styrene, butadiene and styrene in the mixture is 1:0.8:1.7;

[0049] After reacting for 1.8h, carry out vacuum distillation, remove the organic solvent and dry to obtain graphene / hydrogenated styrene-butadiene-styrene composite;

[0050] The graphene / hydrogenated styrene-butadiene-styrene composite was m...

Embodiment 3

[0058] The grinding roller sealing ring material of the present embodiment comprises the following components by weight:

[0059]

[0060]

[0061] The preparation method of the grinding roller sealing ring material of the present embodiment comprises the following steps:

[0062] (1) Preparation of graphene composite material:

[0063] Under ultrasonic conditions, disperse 100 parts of graphene oxide powder in 180 parts of tetrahydrofuran by weight, after graphene oxide forms an amorphous suspension in tetrahydrofuran, add 120 parts of hydrogenated Styrene-butadiene-styrene system mixture, the weight ratio of hydrogenated styrene, butadiene and styrene in the mixture is 1:0.8:2;

[0064] After reacting for 2 hours, carry out vacuum distillation, remove the organic solvent and dry to obtain graphene / hydrogenated styrene-butadiene-styrene composite;

[0065] Melt and blend the graphene / hydrogenated styrene-butadiene-styrene composite at 230°C, perform an in-situ reducti...

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Abstract

The invention relates to grinding roller sealing ring materials. The grinding roller sealing ring materials are characterized by comprising, by weight, 100 parts of fluororubber, 10-20 parts of organic montmorillonite, 10-30 parts of wear-resisting carbon black, 5-20 parts of modified silicon carbide, 10-20 parts of graphene composites, 15-25 parts of magnesium oxide, 0.5-2 parts of hydroxyl silicone oil, 0.1-3 parts of microcrystalline wax, 0.5-2 parts of bisphenol AF and 0.5-1.5 parts of benzyl triphenyl phosphoric chloride. The graphene composites are graphene/ hydrogenated styrene- butadiene- styrene compounds subjected to in-situ reduction. The graphene/ hydrogenated styrene- butadiene- styrene compounds subjected to in-situ reduction are added, the graphene composites are dispersed easily, the problems of difficult stripping of graphene and difficult addition caused by low apparent density in the prior art are resolved, graphene can be evenly dispersed in the grinding roller sealing ring materials, the function of the graphene is fully played, and the wear resistance and heat resistance of the grinding roller sealing ring materials are effectively improved.

Description

technical field [0001] The invention relates to the technical field of grinding roller sealing ring materials, in particular to a fluorine rubber grinding roller sealing ring material and a preparation method thereof. Background technique [0002] Fluorine rubber (FKM) refers to a synthetic polymer elastomer with fluorine atoms attached to the carbon atoms of the main chain or side chain. Fluorine atoms have a small radius and strong electronegativity, and can be closely arranged around carbon atoms to form fluorine-carbon bonds with high bond energy, which has a good shielding effect on carbon-carbon bonds. Therefore, fluorine rubber has high thermal stability and chemical inertness, and is widely used as a sealing material in national defense, military industry, aerospace, automobile, petrochemical and other fields. Fluorine rubber is used as the sealing ring of the grinding roller, which has the incomparable advantages of other rubbers: high temperature resistance, fuel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L83/05C08L53/02C08K13/06C08K9/06C08K3/04C08K3/22C08K7/10C09K3/10
CPCC08K2201/014C08L27/12C08L2201/08C08L2205/035C09K3/10C08L83/06C08L53/02C08L91/06C08K13/06C08K9/06C08K3/04C08K3/34C08K2003/222
Inventor 朱双夫
Owner 宁波佳乐特橡塑机电有限公司
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