Fluororubber metal composite plate and preparation method thereof

A metal composite plate, fluororubber technology, applied in chemical instruments and methods, other chemical processes, coatings, etc., can solve the problem of the ability to resist creep and relaxation needs to be further improved, and achieve outstanding comprehensive effects, excellent sealing performance, excellent The effect of rebound rate

Inactive Publication Date: 2017-05-31
南阳天一密封股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned fluororubber composite sealing plates can be used for the sealing of automobiles, motorcycles and other industries. Sealing performance and its ability to resist creep relaxation need to be further improved

Method used

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  • Fluororubber metal composite plate and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0027] A fluororubber metal composite plate, comprising a metal substrate, the two sides of the metal substrate are provided with a fluororubber coating, and the fluororubber coating is made of the following raw materials in parts by mass: 100 parts of fluororubber, 4 parts of magnesium oxide, hydrogen 6 parts of calcium oxide, 4 parts of vulcanizing agent, 2 parts of accelerator, 25 parts of carbon black, 2 parts of modified bentonite, 5 parts of auxiliary agent.

[0028] Wherein, the carbon black is N990 carbon black; the modified bentonite is sodium-based bentonite.

[0029] The accelerator is a composition of benzyltriphenylphosphine chloride and tetramethylthiuram disulfide, and the weight ratio of the two is 5:1.

[0030] The additives are 2 parts by weight of paraffin oil and 3 parts by weight of carboxymethyl chitosan.

[0031] The raw materials and dosage of vulcanizing agent are shown in the following table:

[0032] .

[0033] The embodiment of this group is a ...

Embodiment 2

[0039] A fluororubber metal composite plate, comprising a metal substrate, the two sides of the metal substrate are provided with a fluororubber coating, and the fluororubber coating is made of the following raw materials in parts by mass: 100 parts of fluororubber, 1 part of magnesium oxide, hydrogen 2 parts of calcium oxide, 2 parts of vulcanizing agent, 0.5 parts of accelerator, 20 parts of carbon black, 1 part of modified bentonite, and 1 part of auxiliary agent.

[0040] Wherein, the carbon black is N990 carbon black; the modified bentonite is sodium-based bentonite.

[0041] The vulcanizing agent is bisphenol AF.

[0042] The auxiliary agent is paraffin oil.

[0043] The raw materials used for the accelerator and their dosage are shown in the table below:

[0044] .

[0045] The embodiment of this group is a preparation method of a fluororubber metal composite board, the fluororubber metal composite board includes a metal substrate, and the two sides of the metal su...

Embodiment 3

[0050] A fluororubber metal composite plate, comprising a metal substrate, the two sides of the metal substrate are provided with a fluororubber coating, and the fluororubber coating is made of the following raw materials in parts by mass: 100 parts of fluororubber, 10 parts of magnesium oxide, hydrogen 10 parts of calcium oxide, 10 parts of vulcanizing agent, 5 parts of accelerator, 40 parts of carbon black, 5 parts of modified bentonite, 10 parts of auxiliary agent.

[0051] Wherein, the carbon black is N990 carbon black; the modified bentonite is sodium-based bentonite.

[0052] The vulcanizing agent is a composition of bisphenol AF and urethane, and the weight ratio of the two is 7:1.

[0053] The accelerator is a composition of benzyltriphenylphosphine chloride and tetramethylthiuram disulfide, and the weight ratio of the two is 5:1.

[0054] The raw materials used in the additives and their dosage are shown in the table below:

[0055] .

[0056] A preparation metho...

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Abstract

The invention provides a fluororubber metal composite plate and a preparation method thereof, and relates to a sealing material. The fluororubber metal composite plate comprises a metal base plate, wherein fluororubber coating layers are arranged at both sides of the metal base plate; each fluororubber coating is prepared from the following raw materials in parts by mass: 100 parts of fluororubber, 1 to 10 parts of magnesium oxide, 2 to 10 parts of calcium hydroxide, 2 to 10 parts of vulcanizing agent, 0.5 to 5 parts of accelerant, 20 to 40 parts of carbon black, 1 to 5 parts of modified bentonite, and 1 to 10 parts of additive. The fluororubber metal composite plate has the advantages that the compression rate is 21 to 32%, the resilience rate is more than 65%, the creepage relaxation rate is less than 5%, the sealing property ml/hr is equal to or less than 0.02, and the oil sealing and non-leakage properties are realized; the oil-resistant, cold-resistant and heat-resistant properties are good, the excellent resilience rate, anti-creepage property, temperature and oil-resistant property and the like are realized, and the comprehensive effect is obvious.

Description

technical field [0001] The invention belongs to the technical field of sealing materials, and in particular relates to a fluororubber-metal composite plate and a preparation method thereof. Background technique [0002] Fluorine rubber is a kind of synthetic rubber in which the carbon atoms on the main chain or side chain are connected with fluorine atoms with strong electronegativity. Because of the large C-F bond energy and the small covalent radius of fluorine atoms, fluorine rubber has incomparable properties with other rubbers. It has excellent properties such as heat resistance, aging resistance, concentrated acid resistance, alkali resistance, and small volume swelling in oils, hydrocarbons, and solvents. It also has good physical and mechanical properties, electrical insulation properties and radiation resistance. Performance, widely used in aerospace, aviation, petroleum, automobiles and household appliances and other fields. [0003] With the increase of vehicle s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D7/12C09K3/10
CPCC09D127/12C08L2201/08C08L2205/03C08L2205/035C09D7/61C09D7/63C09D7/65C09K3/10C08L91/06C08L5/08C08K13/02C08K2003/222C08K2003/2206C08K3/04C08K3/346C08L83/04
Inventor 杨松涛陈宇翔朱建周杨会菊赵红祥樊红星张冰潭
Owner 南阳天一密封股份有限公司
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