CN114835957A - Nitrile rubber film for nitrogen discharge valve and preparation method thereof - Google Patents

Nitrile rubber film for nitrogen discharge valve and preparation method thereof Download PDF

Info

Publication number
CN114835957A
CN114835957A CN202210428166.8A CN202210428166A CN114835957A CN 114835957 A CN114835957 A CN 114835957A CN 202210428166 A CN202210428166 A CN 202210428166A CN 114835957 A CN114835957 A CN 114835957A
Authority
CN
China
Prior art keywords
nitrile rubber
1phr
rubber film
nitrogen
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210428166.8A
Other languages
Chinese (zh)
Inventor
白金歌
姚忠冠
韩贵洲
金海丹
魏世保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hongsheng Auto Parts Co ltd
Original Assignee
Zhejiang Hongsheng Auto Parts Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Hongsheng Auto Parts Co ltd filed Critical Zhejiang Hongsheng Auto Parts Co ltd
Priority to CN202210428166.8A priority Critical patent/CN114835957A/en
Publication of CN114835957A publication Critical patent/CN114835957A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2309/02—Copolymers with acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2471/02—Polyalkylene oxides
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • C08K3/02—Elements
    • C08K3/06—Sulfur
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
    • C08K5/40—Thiurams, i.e. compounds containing groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to a nitrile rubber film for a nitrogen exhaust valve, which is characterized by comprising the following components: at least 100phr of nitrile rubber, at least 6phr of zinc oxide, at least 1phr of stearic acid, at least 2phr of diphenylamine, at least 60phr of carbon black, at least 25phr of dioctyl sebacate, at least 0.5phr of elemental sulfur, at least 1.5phr of dithiocarbamyl disulfide, and at least 1phr of fatty alcohol polyoxyethylene ether. The invention also provides a preparation method of the nitrile rubber film for the nitrogen exhaust valve. The invention has the beneficial effects that: the nitrile rubber film prepared from the material can be suitable for a nitrogen discharge valve, can realize low-temperature work, can be normally used at the lowest low temperature of-55 ℃ and the high temperature of 125 ℃ for 24 hours, and has good hydrogen resistance effect.

Description

Nitrile rubber film for nitrogen discharge valve and preparation method thereof
Technical Field
The invention relates to the technical field of nitrile rubber, in particular to a nitrile rubber film for a nitrogen discharge valve and a preparation method thereof.
Background
With the increasingly severe energy situation at home and abroad and the continuous increase of the energy-saving and emission-reducing requirements, the application of novel clean energy is more and more emphasized. Among them, hydrogen energy is a series of advantages of high energy density, high energy utilization rate, wide sources, zero pollution and the like, and is a stand-alone energy source. In the application of hydrogen energy in the transportation field, fuel cell vehicles have a large proportion.
Fuel cells are devices that generate electrical energy by the chemical reaction of hydrogen and air, and the process does not require combustion, and thus is not limited by the carnot cycle and the products are water and heat, and thus are receiving much attention. The air supply system and the hydrogen supply system are important components of the fuel cell system, and they supply reactants to the fuel cell system.
In a hydrogen supply system, hydrogen is used as a combustible gas and is mainly industrially prepared by a water electrolysis method, steam and nitrogen are generated in the hydrogen preparation process, a drain valve and a nitrogen discharge valve are required to be installed for discharging, the opening and closing of a valve port are realized by arranging a film made of a nitrile rubber material in the conventional nitrogen discharge valve, but the film made of the nitrile rubber material is not suitable for being used in a low-temperature environment, and the hydrogen resistance effect is poor, so that the service life is short.
Disclosure of Invention
The invention aims to provide a nitrile rubber film for a nitrogen exhaust valve, which can improve the using effect of the nitrile rubber film at low temperature and improve the hydrogen resistance.
In order to achieve the purpose, the invention provides the following technical scheme: a nitrile rubber film for a nitrogen exhaust valve, comprising the following components: at least 100phr of nitrile rubber, at least 6phr of zinc oxide, at least 1phr of stearic acid, at least 2phr of diphenylamine, at least 60phr of carbon black, at least 25phr of dioctyl sebacate, at least 0.5phr of elemental sulfur, at least 1.5phr of dithiocarbamyl disulfide, and at least 1phr of fatty alcohol polyoxyethylene ether.
The invention further provides a preparation method, which comprises the following components: 100phr of nitrile rubber, 6phr of zinc oxide, 1phr of stearic acid, 2phr of diphenylamine, 60phr of carbon black, 25phr of dioctyl sebacate, 0.5phr of elemental sulfur, 1.5phr of dithiocarbamyl disulfide and 1phr of fatty alcohol-polyoxyethylene ether.
The invention also provides a preparation method of the nitrile rubber film for the nitrogen exhaust valve, which is characterized in that at least 100phr of nitrile rubber, at least 6phr of zinc oxide, at least 1phr of stearic acid, at least 2phr of diphenylamine, at least 60phr of carbon black, at least 25phr of dioctyl sebacate, at least 0.5phr of elemental sulfur, at least 1.5phr of dithiocarbamyl and at least 1phr of fatty alcohol-polyoxyethylene ether are mixed and then are subjected to a grinding and vulcanizing process to obtain a finished product.
The invention has the beneficial effects that: the nitrile rubber film prepared from the material can be suitable for a nitrogen discharge valve, can realize low-temperature work, and has a low temperature of-55 ℃ at the lowest, and simultaneously has a good hydrogen resistance effect.
Detailed Description
The following embodiments will be described in detail with reference to the accompanying examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present application can be fully understood and implemented.
The invention provides a nitrile rubber film for a nitrogen discharge valve, which comprises the following components: at least 100phr of nitrile rubber, at least 6phr of zinc oxide, at least 1phr of stearic acid, at least 2phr of diphenylamine, at least 60phr of carbon black, at least 25phr of dioctyl sebacate, at least 0.5phr of elemental sulfur, at least 1.5phr of dithiocarbamyl disulfide, and at least 1phr of fatty alcohol polyoxyethylene ether.
The nitrile rubber film for the nitrogen exhaust valve in the embodiment comprises the following components: 100phr of nitrile rubber, 6phr of zinc oxide, 1phr of stearic acid, 2phr of diphenylamine, 60phr of carbon black, 25phr of dioctyl sebacate, 0.5phr of elemental sulfur, 1.5phr of dithiocarbamyl disulfide and 1phr of fatty alcohol-polyoxyethylene ether.
The invention also provides a preparation method of the nitrile rubber film for the nitrogen exhaust valve, which is characterized in that at least 100phr of nitrile rubber, at least 6phr of zinc oxide, at least 1phr of stearic acid, at least 2phr of diphenylamine, at least 60phr of carbon black, at least 25phr of dioctyl sebacate, at least 0.5phr of elemental sulfur, at least 1.5phr of dithiocarbamyl and at least 1phr of fatty alcohol-polyoxyethylene ether are mixed and then are subjected to a grinding and vulcanizing process to obtain a finished product.
The invention has the beneficial effects that: the nitrile rubber film supported by the material can be suitable for a nitrogen discharge valve, can realize low-temperature work, and has a low temperature of-55 ℃ at the lowest, and simultaneously has a good hydrogen resistance effect.
Certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (3)

1. A nitrile rubber film for a nitrogen exhaust valve, comprising the following components: at least 100phr of nitrile rubber, at least 6phr of zinc oxide, at least 1phr of stearic acid, at least 2phr of diphenylamine, at least 60phr of carbon black, at least 25phr of dioctyl sebacate, at least 0.5phr of elemental sulfur, at least 1.5phr of dithiocarbamyl disulfide, and at least 1phr of fatty alcohol polyoxyethylene ether.
2. A nitrile rubber diaphragm for a nitrogen bleed valve according to claim 2, comprising the following components: 100phr of nitrile rubber, 6phr of zinc oxide, 1phr of stearic acid, 2phr of diphenylamine, 60phr of carbon black, 25phr of dioctyl sebacate, 0.5phr of elemental sulfur, 1.5phr of dithiocarbamyl disulfide and 1phr of fatty alcohol-polyoxyethylene ether.
3. A preparation method of a nitrile rubber film for a nitrogen exhaust valve is characterized in that at least 100phr of nitrile rubber, at least 6phr of zinc oxide, at least 1phr of stearic acid, at least 2phr of diphenylamine, at least 60phr of carbon black, at least 25phr of dioctyl sebacate, at least 0.5phr of elemental sulfur, at least 1.5phr of dithiocarbamyl and at least 1phr of fatty alcohol polyoxyethylene ether are mixed, and then a finished product is obtained through a grinding and vulcanizing process.
CN202210428166.8A 2022-04-22 2022-04-22 Nitrile rubber film for nitrogen discharge valve and preparation method thereof Pending CN114835957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210428166.8A CN114835957A (en) 2022-04-22 2022-04-22 Nitrile rubber film for nitrogen discharge valve and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210428166.8A CN114835957A (en) 2022-04-22 2022-04-22 Nitrile rubber film for nitrogen discharge valve and preparation method thereof

Publications (1)

Publication Number Publication Date
CN114835957A true CN114835957A (en) 2022-08-02

Family

ID=82565917

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210428166.8A Pending CN114835957A (en) 2022-04-22 2022-04-22 Nitrile rubber film for nitrogen discharge valve and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114835957A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105482188A (en) * 2014-09-19 2016-04-13 扬州华通橡塑有限公司 Formula of low-temperature-resistant nitrile rubber
CN105646963A (en) * 2014-11-13 2016-06-08 德特威勒密封技术（安徽）有限公司 Nitrile rubber material and preparation method thereof and valve of gas-brake relay valve
CN106279830A (en) * 2016-08-25 2017-01-04 无锡市美峰橡胶制品制造有限公司 A kind of cold-resistant oil-proof type rubber compounding
CN108250510A (en) * 2017-12-26 2018-07-06 瑞立集团瑞安汽车零部件有限公司 A kind of high-speed railway rail seal ball-valve of resistance to extremely low temperature rubber and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105482188A (en) * 2014-09-19 2016-04-13 扬州华通橡塑有限公司 Formula of low-temperature-resistant nitrile rubber
CN105646963A (en) * 2014-11-13 2016-06-08 德特威勒密封技术（安徽）有限公司 Nitrile rubber material and preparation method thereof and valve of gas-brake relay valve
CN106279830A (en) * 2016-08-25 2017-01-04 无锡市美峰橡胶制品制造有限公司 A kind of cold-resistant oil-proof type rubber compounding
CN108250510A (en) * 2017-12-26 2018-07-06 瑞立集团瑞安汽车零部件有限公司 A kind of high-speed railway rail seal ball-valve of resistance to extremely low temperature rubber and preparation method thereof

Similar Documents

Publication Publication Date Title
CN114183275B (en) Ammonia-hydrogen mixed gas power system based on hydrogen ignition and operation control method
CN1022944C (en) Method and installation for generating electrical power
WO2020147670A1 (en) Preparation method for ternary cathode material of lithium-ion battery
WO2021139136A1 (en) Emission-reduction-accompanied sintering method using energy-carrying composite gas medium
CN209418658U (en) A kind of liquefied ammonia hydrogen-generating fuel cell device and automobile
CN1707839A (en) Fuel processing method and system
CN109686998A (en) Association circulating power generation system based on the cooling fuel cell of gas turbine
CN111725537A (en) Hydrogen combustion heater of fuel cell engine and extremely low temperature self-starting method
CN114835957A (en) Nitrile rubber film for nitrogen discharge valve and preparation method thereof
CN115368681A (en) Tear-resistant ethylene propylene diene monomer molded plate and preparation method thereof
CN209266502U (en) Association circulating power generation system based on the cooling fuel cell of gas turbine
CN109777010B (en) Low-pressure-change alloy elastomer sealing element and preparation method thereof
CN113224350B (en) Fuel cell system and control method thereof
CN212356525U (en) Thermoelectric power generation coupling methanol-water reforming hydrogen production generator
CN113387767B (en) Device for preparing acetylene by partial oxidation of natural gas
KR20230154824A (en) Method for producing gaseous fuel
CN110137307B (en) High-uniformity shallow junction diffusion process in low-pressure environment
CN109994757B (en) Fuel cell system and method for continuously stabilizing power output
CN112275305A (en) High-efficiency hydrogen evolution catalyst and preparation method thereof
CN116063800B (en) Self-lubricating fluorosilicone rubber sealing ring for motor and preparation method thereof
CN112028078B (en) Method for improving stability of lithium battery silicon negative electrode material
CN117374358B (en) Solid oxide fuel cell power generation system operated by double cell stacks
CN116554619B (en) Fluororubber elastomer and preparation method thereof
CN101552339B (en) Method for preparing low-temperature catalyzed graphitization proton exchanging membrane fuel cell bipolar plate
CN118108999A (en) Ethylene propylene diene monomer rubber sealing material for hydrogen fuel cell and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination