CN113698719A - Novel 35 Mpa-resistant high-pressure hydrogen fluorine rubber sealing ring material - Google Patents

Novel 35 Mpa-resistant high-pressure hydrogen fluorine rubber sealing ring material Download PDF

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CN113698719A
CN113698719A CN202111018247.2A CN202111018247A CN113698719A CN 113698719 A CN113698719 A CN 113698719A CN 202111018247 A CN202111018247 A CN 202111018247A CN 113698719 A CN113698719 A CN 113698719A
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sealing ring
resistant
novel
ring material
pressure hydrogen
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邰云岗
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Shanghai Anying Machinery Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/10—Homopolymers or copolymers of unsaturated ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L85/00—Compositions of macromolecular compounds obtained by reactions forming a linkage in the main chain of the macromolecule containing atoms other than silicon, sulfur, nitrogen, oxygen and carbon; Compositions of derivatives of such polymers
    • C08L85/02—Compositions of macromolecular compounds obtained by reactions forming a linkage in the main chain of the macromolecule containing atoms other than silicon, sulfur, nitrogen, oxygen and carbon; Compositions of derivatives of such polymers containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/16—Halogen-containing compounds
    • C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/14—Gas barrier composition

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses a novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material which comprises high-pressure-resistant fluororubber, nano fluorite powder, chlorinated paraffin, nano silicon dioxide, a mixture consisting of calcium carbonate and polyurethane, carbon black, a crosslinking agent, a plasticizer, a reinforcing agent and a vulcanizing agent.

Description

Novel 35 Mpa-resistant high-pressure hydrogen fluorine rubber sealing ring material
Technical Field
The invention relates to the technical field of sealing rings, in particular to a novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material.
Background
The hydrogen is a gas which is extremely easy to combust, is colorless, transparent, odorless, tasteless and insoluble in water, is a gas with the minimum density known in the world, has the density of only 1/14 of air, namely the density of hydrogen is 0.089g/L at 1 standard atmospheric pressure and 0 ℃, so the hydrogen can be used as a filling gas of an airship and a hydrogen balloon, and because the hydrogen has flammability and low safety, the airship is mostly filled with helium, the hydrogen is a substance with the minimum relative molecular mass and has strong reducibility, the hydrogen is often used as a reducing agent to participate in chemical reaction, the hydrogen is manually prepared at the beginning of the 16 th century at the earliest, the method used at the moment is to place metal in strong acid, in the prior art, a high-pressure hydrogen storage device is generally adopted to store the hydrogen, in the high-pressure hydrogen storage device, in order to ensure the sealing performance of the storage device, a sealing ring is required to be used for sealing, in the prior art, the adopted sealing ring is generally a rubber sealing ring, is used for sealing gaps or preventing parts of various fluid media from leaking, is generally used for the aspects of leakage prevention, oil prevention, water prevention, acid and alkali prevention and the like, has the functions of shock absorption, damping and the like, and has poor hydrogen permeation resistance effect when high-pressure hydrogen is stored, so that the hydrogen easily permeates into the inside of the rubber ring.
Disclosure of Invention
In view of the problems in the prior art, the invention discloses a novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material which comprises the following components in parts by weight;
Figure BDA0003240678880000011
Figure BDA0003240678880000021
the high-pressure-resistant fluororubber is one or more selected from the group consisting of a metafluoroether rubber, a fluorosilicone rubber, a fluorinated acrylate rubber and a fluorinated phosphazene rubber;
as a preferable technical scheme, the invention comprises the following components in parts by weight:
Figure BDA0003240678880000022
the high-pressure-resistant fluororubber comprises the following components in parts by weight: 1 fluorosilicone rubber and fluorinated acrylate rubber.
As a preferred technical scheme of the invention, the reinforcing agent is one or more of polypropylene, hexagonal boron nitride, alum powder and turpentine.
As a preferable technical scheme of the invention, the reinforcing agent is prepared from the following components in parts by weight: 1, the polypropylene and the turpentine can be used for increasing the strength of the fluororubber sealing ring.
In a preferred embodiment of the present invention, the crosslinking agent is dicumyl peroxide, which can be used to increase the strength and elasticity of the fluororubber sealing ring.
As a preferred technical scheme of the present invention, the plasticizer is diethyl phthalate, and can be used to improve the processability of the fluororubber seal ring and improve the strength of the fluororubber seal ring.
As a preferable technical scheme of the invention, the vulcanizing agent is di-tert-butyl peroxide, and can be used for improving the mechanical and physical properties of the fluororubber sealing ring.
In a preferred embodiment of the present invention, the carbon black has a particle size of 40 nm or less, and can be used to increase the wear resistance of the fluororubber gasket.
The invention has the beneficial effects that: according to the invention, the high-pressure-resistant fluororubber, the nano fluorite powder, the chlorinated paraffin, the nano silicon dioxide, the calcium carbonate and the polyurethane form a mixture, then carbon black, a cross-linking agent, a plasticizer, a reinforcing agent and a vulcanizing agent are added into the mixture, the reinforcing agent can be used for increasing the strength of the fluororubber sealing ring, the cross-linking agent can be used for increasing the strength and the elasticity of the fluororubber sealing ring, the plasticizer can be used for improving the processing performance of the fluororubber sealing ring and improving the strength of the fluororubber sealing ring, the vulcanizing agent can be used for improving the mechanical and physical properties of the fluororubber sealing ring, the carbon black can be used for increasing the wear resistance of the fluororubber sealing ring, and the high-pressure-resistant fluororubber can be used for increasing the hydrogen permeation resistance of the rubber ring, so as to prevent hydrogen from permeating into the rubber ring.
Drawings
FIG. 1 is a graph showing the results of physical property tests according to the present invention;
FIG. 2 is a graph showing the results of the hydrogen permeation resistance test of the present invention.
Detailed Description
Example 1
The invention discloses a novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material which comprises the following components in parts by weight:
Figure BDA0003240678880000031
Figure BDA0003240678880000041
the preparation method comprises the following steps: mixing high-pressure-resistant fluororubber, nano fluorite powder, chlorinated paraffin, nano silicon dioxide, calcium carbonate and polyurethane, fully stirring, heating for 5 minutes at 80 ℃, then sequentially adding carbon black, a cross-linking agent, a plasticizer, a reinforcing agent and a vulcanizing agent, stirring for 20 minutes at 50 ℃, then adding into a forming die for cooling and forming, taking out a finished product after forming, and trimming to obtain a fluororubber sealing ring;
the fluororubber sealing ring of this embodiment passes through high pressure resistant fluororubber, nanometer fluorite powder, chlorinated paraffin, nanometer silica, calcium carbonate and polyurethane constitution mixture, then adds carbon black, cross-linking agent, plasticizer, reinforcing agent and vulcanizer in to the mixture, can be used for increasing the intensity of fluororubber sealing ring through the reinforcing agent, can be used for increasing the resistant hydrogen infiltration ability of rubber circle through high pressure resistant fluororubber, avoids inside hydrogen infiltration rubber circle.
Example 2
The invention discloses a novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material which comprises the following components in parts by weight:
Figure BDA0003240678880000042
Figure BDA0003240678880000051
the preparation method comprises the following steps: mixing high-pressure-resistant fluororubber, nano fluorite powder, chlorinated paraffin, nano silicon dioxide, calcium carbonate and polyurethane, fully stirring, heating for 5 minutes at 80 ℃, then sequentially adding carbon black, a cross-linking agent, a plasticizer, a reinforcing agent and a vulcanizing agent, stirring for 20 minutes at 50 ℃, then adding into a forming die for cooling and forming, taking out a finished product after forming, and trimming to obtain a fluororubber sealing ring;
the fluororubber sealing ring of this embodiment passes through high pressure resistant fluororubber, nanometer fluorite powder, chlorinated paraffin, nanometer silica, calcium carbonate and polyurethane constitution mixture, then adds carbon black, cross-linking agent, plasticizer, reinforcing agent and vulcanizer to the mixture, can be used for increasing the intensity and the elasticity of fluororubber sealing ring through the cross-linking agent, can be used for increasing the resistant hydrogen infiltration ability of rubber circle through high pressure resistant fluororubber, avoids inside hydrogen infiltration rubber circle.
Example 3
The invention discloses a novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material which comprises the following components in parts by weight:
Figure BDA0003240678880000052
Figure BDA0003240678880000061
the preparation method comprises the following steps: mixing high-pressure-resistant fluororubber, nano fluorite powder, chlorinated paraffin, nano silicon dioxide, calcium carbonate and polyurethane, fully stirring, heating for 5 minutes at 80 ℃, then sequentially adding carbon black, a cross-linking agent, a plasticizer, a reinforcing agent and a vulcanizing agent, stirring for 20 minutes at 50 ℃, then adding into a forming die for cooling and forming, taking out a finished product after forming, and trimming to obtain a fluororubber sealing ring;
the fluororubber sealing ring of this embodiment is through high pressure resistant fluororubber, nanometer fluorite powder, chlorinated paraffin, nanometer silica, calcium carbonate and polyurethane constitution mixture, then add carbon black, cross-linking agent, plasticizer, reinforcing agent and vulcanizer in to the mixture, can be used for improving the processability of fluororubber sealing ring through the plasticizer, improve the intensity of fluororubber sealing ring, can be used for increasing the resistant hydrogen infiltration ability of rubber circle through high pressure resistant fluororubber, avoid inside hydrogen infiltration rubber circle.
Example 4
The invention discloses a novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material which comprises the following components in parts by weight:
Figure BDA0003240678880000062
the preparation method comprises the following steps: mixing high-pressure-resistant fluororubber, nano fluorite powder, chlorinated paraffin, nano silicon dioxide, calcium carbonate and polyurethane, fully stirring, heating for 5 minutes at 80 ℃, then sequentially adding carbon black, a cross-linking agent, a plasticizer, a reinforcing agent and a vulcanizing agent, stirring for 20 minutes at 50 ℃, then adding into a forming die for cooling and forming, taking out a finished product after forming, and trimming to obtain a fluororubber sealing ring;
the fluororubber sealing ring of this embodiment passes through high pressure resistant fluororubber, nanometer fluorite powder, chlorinated paraffin, nanometer silica, calcium carbonate and polyurethane constitution mixture, then adds carbon black, cross-linking agent, plasticizer, reinforcing agent and vulcanizer to the mixture, can be used for improving the mechanical physical properties of fluororubber sealing ring through the vulcanizer, can be used for increasing the resistant hydrogen infiltration ability of rubber circle through high pressure resistant fluororubber, avoids inside hydrogen infiltration rubber circle.
Example 5
The invention discloses a novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material which comprises the following components in parts by weight:
Figure BDA0003240678880000071
the preparation method comprises the following steps: mixing high-pressure-resistant fluororubber, nano fluorite powder, chlorinated paraffin, nano silicon dioxide, calcium carbonate and polyurethane, fully stirring, heating for 5 minutes at 80 ℃, then sequentially adding carbon black, a cross-linking agent, a plasticizer, a reinforcing agent and a vulcanizing agent, stirring for 20 minutes at 50 ℃, then adding into a forming die for cooling and forming, taking out a finished product after forming, and trimming to obtain a fluororubber sealing ring;
the fluororubber sealing ring of this embodiment passes through high pressure resistant fluororubber, nanometer fluorite powder, chlorinated paraffin, nanometer silica, calcium carbonate and polyurethane constitution mixture, then adds carbon black, cross-linking agent, plasticizer, reinforcing agent and vulcanizer in to the mixture, can be used for increasing the wearability of fluororubber sealing ring through carbon black, can be used for increasing the resistant hydrogen infiltration ability of rubber circle through high pressure resistant fluororubber, avoids inside hydrogen infiltration rubber circle.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (8)

1. The novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material is characterized by comprising the following components in parts by weight:
Figure FDA0003240678870000011
the high-pressure-resistant fluororubber is one or more selected from the group consisting of a metafluoroether rubber, a fluorosilicone rubber, a fluorinated acrylate rubber and a fluorinated phosphazene rubber.
2. The novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material according to claim 1, which is characterized in that: the paint comprises the following components in parts by weight:
Figure FDA0003240678870000012
Figure FDA0003240678870000021
the high-pressure-resistant fluororubber comprises the following components in parts by weight: 1 fluorosilicone rubber and fluorinated acrylate rubber.
3. The novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material according to claim 1, which is characterized in that: the reinforcing agent is one or more of polypropylene, hexagonal boron nitride, alum powder and turpentine.
4. The novel 35Mpa high-pressure hydrogen-resistant fluororubber sealing ring material according to claim 3, characterized in that: the reinforcing agent is prepared from the following components in parts by weight: 1 polypropylene and turpentine.
5. The novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material according to claim 1, which is characterized in that: the cross-linking agent is dicumyl peroxide.
6. The novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material according to claim 1, which is characterized in that: the plasticizer is diethyl phthalate.
7. The novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material according to claim 1, which is characterized in that: the vulcanizing agent is di-tert-butyl peroxide.
8. The novel 35 Mpa-resistant high-pressure hydrogen-resistant fluororubber sealing ring material according to claim 1, which is characterized in that: the particle size of the carbon black is less than or equal to 40 nanometers.
CN202111018247.2A 2021-09-01 2021-09-01 Novel 35 Mpa-resistant high-pressure hydrogen fluorine rubber sealing ring material Withdrawn CN113698719A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024037728A1 (en) * 2022-08-19 2024-02-22 Triton Hydrogen Ltd. Sealing element suitable as hydrogen barrier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024037728A1 (en) * 2022-08-19 2024-02-22 Triton Hydrogen Ltd. Sealing element suitable as hydrogen barrier

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Application publication date: 20211126