CN113881150A - Hydrogen storage bottle material with high polymer material inner container and preparation method thereof - Google Patents

Hydrogen storage bottle material with high polymer material inner container and preparation method thereof Download PDF

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Publication number
CN113881150A
CN113881150A CN202111297734.7A CN202111297734A CN113881150A CN 113881150 A CN113881150 A CN 113881150A CN 202111297734 A CN202111297734 A CN 202111297734A CN 113881150 A CN113881150 A CN 113881150A
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polyvinyl chloride
parts
chlorinated polyvinyl
maleic anhydride
rotational molding
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谢四海
王景清
张裕刚
姜坤
王玮
吴康胜
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Jiangsu Golden Material Technology Co ltd
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Jiangsu Golden Material 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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • 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
    • Y02E60/32—Hydrogen storage

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

The invention relates to the technical field of high polymer materials, in particular to a hydrogen storage bottle material with a high polymer material inner container and a preparation method thereof. The material is composed of polyvinyl chloride, polyethylene, ethylene propylene diene monomer rubber and chlorinated polyvinyl chloride. The material can be used as an insulating layer in an inner container of a hydrogen storage pressure container, and the maleic anhydride grafted chlorinated polyvinyl chloride is added, so that the impact strength is reduced to a certain extent, and the use requirement can be met; meanwhile, after maleic anhydride grafted chlorinated polyvinyl chloride is added into the liner isolation layer, the compactness of the whole material can be improved, and the aging of the bottle body material can be slowed down, so that the gas leakage caused by the aging of the material is slowed down, and the requirement of long-time storage of hydrogen is met.

Description

Hydrogen storage bottle material with high polymer material inner container and preparation method thereof
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a hydrogen storage bottle material with a high polymer material inner container and a preparation method thereof.
Background
At present, a large number of foreign hydrogen energy automobiles begin to use fourth-generation hydrogen cylinders with lighter weight, lower cost and higher mass hydrogen storage density, and the foreign hydrogen energy automobiles are still in the research and development stage at home. Development of type IV bottles in China faces some difficulties. Firstly, in the aspect of raw materials, few enterprises are engaged in the research and development and production of high-performance carbon fibers and resin matrixes in China, the performance of the carbon fibers and the resin matrixes matched with the carbon fibers has a large difference with the international level, the research and development and production investment needs to be increased, the localization of the raw materials is realized, and the cost is reduced; secondly, in the aspect of production and preparation, the winding forming process of domestic high-pressure hydrogen storage bottles is relatively backward, and the winding forming process needs to be further researched to ensure the process stability of gas bottle production; in addition, the standard establishment is not enough, and the standardization and scale development of the gas cylinder industry are promoted and the use safety of the gas cylinder is ensured by establishing the corresponding standard of the high-pressure hydrogen storage cylinder.
Along with the popularization of the hydrogen fuel cell automobile and the higher requirement on the driving range, the mass percentage of the high-pressure hydrogen storage bottle plays a decisive role in the driving range of the fuel cell automobile. High-pressure gaseous hydrogen storage is a mature vehicle-mounted hydrogen storage technology at present, but the volume hydrogen storage density is small, and the development target formulated by the department of energy is not achieved at present. How to improve the hydrogen storage capacity of the high-pressure hydrogen storage bottle, reduce the quality of the high-pressure hydrogen storage bottle and control the volume of the high-pressure hydrogen storage bottle, namely, the high-pressure gaseous hydrogen storage bottle simultaneously meets the technical standards of light weight, high pressure, low cost, stable quality and the like, and has great significance on the development path of hydrogen energy and fuel cell automobiles.
Based on the situation, the invention provides a hydrogen storage bottle material with a high polymer material inner container and a preparation method thereof, which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a hydrogen storage bottle material with a high polymer material inner container and a preparation method thereof.
In order to achieve the purpose, the invention provides a high polymer material hydrogen storage bottle material with an inner container, which consists of polyvinyl chloride, polyethylene, ethylene propylene diene monomer and chlorinated polyvinyl chloride.
Preferably, the material consists of the following raw materials in parts by weight: 80-100 parts of polyvinyl chloride, 70-80 parts of polyethylene, 90-110 parts of ethylene propylene diene monomer and 40-50 parts of chlorinated polyvinyl chloride.
Preferably, the polyethylene is a high density polyethylene.
Preferably, the chlorinated polyvinyl chloride is maleic anhydride grafted chlorinated polyvinyl chloride.
Preferably, the maleic anhydride grafted chlorinated polyvinyl chloride is prepared by the following method: dissolving dechlorinated chlorinated polyvinyl chloride resin in cyclopentanone solution, adding benzoyl peroxide and maleic anhydride under the condition of heating at 100 ℃, stirring at the speed of 80 weeks/min, stirring for reaction for 8 hours, then washing with water at room temperature for 6 hours, dehydrating for 20 minutes, and drying at 110 ℃ for 8 hours to obtain the chlorinated polyvinyl chloride resin.
In one embodiment, the material consists of the following raw materials in parts by weight: 80 parts of polyvinyl chloride, 70 parts of high-density polyethylene, 90 parts of ethylene propylene diene monomer and 40 parts of maleic anhydride grafted chlorinated polyvinyl chloride.
In one embodiment, the material consists of the following raw materials in parts by weight: 90 parts of polyvinyl chloride, 75 parts of high-density polyethylene, 100 parts of ethylene propylene diene monomer and 45 parts of maleic anhydride grafted chlorinated polyvinyl chloride.
In one embodiment, the material consists of the following raw materials in parts by weight: 100 parts of polyvinyl chloride, 80 parts of high-density polyethylene, 110 parts of ethylene propylene diene monomer and 50 parts of maleic anhydride grafted chlorinated polyvinyl chloride.
The invention also provides a hydrogen storage equipment inner container which is composed of an outer layer, an isolation layer and an inner layer from outside to inside, wherein the isolation layer is prepared from the materials, the outer layer is prepared from polyamide 6, and the inner layer is prepared from chlorinated polyvinyl chloride.
The invention also provides a preparation method of the inner container of the hydrogen storage device, which comprises the following steps:
(1) adding polyamide 6 into a mold, performing rotational molding at the temperature of 300-310 ℃ to obtain an outer layer, wherein the rotational molding time is 25-30 min, and performing air cooling to 70-80 ℃;
(2) adding polyvinyl chloride, high-density polyethylene, ethylene propylene diene monomer and maleic anhydride grafted chlorinated polyvinyl chloride into a mold, performing rotational molding at the temperature of 240-250 ℃ to obtain an isolation layer, performing rotational molding for 30-40 min, and performing air cooling to 70-80 ℃;
(3) adding chlorinated polyvinyl chloride into the mold, performing rotational molding at the temperature of 70-75 ℃ to obtain the inner layer, performing rotational molding for 40-50 min, performing air cooling to 60-65 ℃, and demolding to obtain the composite material.
Compared with the prior art, the invention has the following beneficial effects:
1. the material can be used as an insulating layer in an inner container of a hydrogen storage pressure container, and the maleic anhydride grafted chlorinated polyvinyl chloride is added, so that the impact strength is reduced to a certain extent, and the use requirement can be met; meanwhile, after maleic anhydride grafted chlorinated polyvinyl chloride is added into the liner isolation layer, the compactness of the whole material can be improved, and the aging of the bottle body material can be slowed down, so that the gas leakage caused by the aging of the material is slowed down, and the requirement of long-time storage of hydrogen is met.
2. The raw materials of the invention are sufficient in China and proper in price, so that the large-scale production of the invention is not limited by too high cost; meanwhile, the preparation method is simple, the total production cost is low, and the industrial large-scale production is facilitated.
Detailed Description
Example 1
The specific raw materials were weighed as in table 1, and the preparation method of the hydrogen storage device liner comprises the following steps:
(1) adding polyamide 6 into a mould, performing rotational molding at the temperature of 300 ℃ to obtain an outer layer, wherein the rotational molding time is 30min, and performing air cooling to 80 ℃;
(2) adding polyvinyl chloride, high-density polyethylene, ethylene propylene diene monomer and maleic anhydride grafted chlorinated polyvinyl chloride into a mold, performing rotational molding at the temperature of 240 ℃ to obtain an isolation layer, wherein the rotational molding time is 30min, and performing air cooling to 70 ℃;
(3) adding chlorinated polyvinyl chloride into the mold, performing rotational molding at 70 ℃ to obtain the inner layer, performing rotational molding for 50min, cooling to 65 ℃ by air cooling, and demolding to obtain the inner layer.
Example 2
The specific raw materials were weighed as in table 1, and the preparation method of the hydrogen storage device liner comprises the following steps:
(1) adding polyamide 6 into a mould, performing rotational molding at the temperature of 310 ℃ to obtain an outer layer, wherein the rotational molding time is 25min, and performing air cooling to 70 ℃;
(2) adding polyvinyl chloride, high-density polyethylene, ethylene propylene diene monomer and maleic anhydride grafted chlorinated polyvinyl chloride into a mold, performing rotational molding at the temperature of 250 ℃ to obtain an isolation layer, wherein the rotational molding time is 30min, and performing air cooling to 70 ℃;
(3) adding chlorinated polyvinyl chloride into the mold, performing rotational molding at 75 ℃ to obtain the inner layer, performing rotational molding for 40min, cooling to 60 ℃ by air cooling, and demolding to obtain the inner layer.
Example 3
The specific raw materials were weighed as in table 1, and the preparation method of the hydrogen storage device liner comprises the following steps:
(1) adding polyamide 6 into a mould, performing rotational molding at the temperature of 310 ℃ to obtain an outer layer, wherein the rotational molding time is 30min, and performing air cooling to 80 ℃;
(2) adding polyvinyl chloride, high density polyethylene, ethylene propylene diene monomer and maleic anhydride grafted chlorinated polyvinyl chloride into a mold, performing rotational molding at the temperature of 250 ℃ to obtain an isolation layer, performing rotational molding for 40min, and cooling to 80 ℃ by air cooling;
(3) adding chlorinated polyvinyl chloride into the mold, performing rotational molding at 75 ℃ to obtain the inner layer, performing rotational molding for 50min, cooling to 65 ℃ by air cooling, and demolding to obtain the inner layer.
Comparative example 1
The specific raw materials were weighed as in table 1, and the preparation method of the hydrogen storage device liner comprises the following steps:
(1) adding polyamide 6 into a mould, performing rotational molding at the temperature of 310 ℃ to obtain an outer layer, wherein the rotational molding time is 30min, and performing air cooling to 80 ℃;
(2) adding polyvinyl chloride, high density polyethylene, ethylene propylene diene monomer and maleic anhydride grafted chlorinated polyvinyl chloride into a mold, performing rotational molding at the temperature of 250 ℃ to obtain an isolation layer, performing rotational molding for 40min, and cooling to 80 ℃ by air cooling;
(3) adding chlorinated polyvinyl chloride into the mold, performing rotational molding at 75 ℃ to obtain the inner layer, performing rotational molding for 50min, cooling to 65 ℃ by air cooling, and demolding to obtain the inner layer.
TABLE 1 (Unit g)
Figure BDA0003337219670000041
Example 4 Performance testing
Taking the inner containers of the hydrogen storage equipment prepared in the examples 1-3 and the comparative example 1, wherein the test standard of the notch impact strength is ASTM D256; the test standard for gas permeability coefficient is GB/T1038. The test results are shown in Table 2.
Table 2 results of performance testing
Figure BDA0003337219670000042
Figure BDA0003337219670000051
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (9)

1. The high polymer material inner container hydrogen storage bottle material is characterized by comprising the following raw materials in parts by weight: 80-100 parts of polyvinyl chloride, 70-80 parts of polyethylene, 90-110 parts of ethylene propylene diene monomer and 40-50 parts of chlorinated polyvinyl chloride.
2. The material of claim 1, wherein the polyethylene is high density polyethylene.
3. The material of claim 1, wherein the chlorinated polyvinyl chloride is maleic anhydride grafted chlorinated polyvinyl chloride.
4. The material according to claim 3, characterized in that the maleic anhydride grafted chlorinated polyvinyl chloride is prepared by the following process: dissolving dechlorinated chlorinated polyvinyl chloride resin in cyclopentanone solution, adding benzoyl peroxide and maleic anhydride under the condition of heating at 100 ℃, stirring at the speed of 80 weeks/min, stirring for reaction for 8 hours, then washing with water at room temperature for 6 hours, dehydrating for 20 minutes, and drying at 110 ℃ for 8 hours to obtain the chlorinated polyvinyl chloride resin.
5. The material according to claim 1, characterized in that it consists of the following raw materials in parts by weight: 80 parts of polyvinyl chloride, 70 parts of high-density polyethylene, 90 parts of ethylene propylene diene monomer and 40 parts of maleic anhydride grafted chlorinated polyvinyl chloride.
6. The material according to claim 1, characterized in that it consists of the following raw materials in parts by weight: 90 parts of polyvinyl chloride, 75 parts of high-density polyethylene, 100 parts of ethylene propylene diene monomer and 45 parts of maleic anhydride grafted chlorinated polyvinyl chloride.
7. The material according to claim 1, characterized in that it consists of the following raw materials in parts by weight: 100 parts of polyvinyl chloride, 80 parts of high-density polyethylene, 110 parts of ethylene propylene diene monomer and 50 parts of maleic anhydride grafted chlorinated polyvinyl chloride.
8. A hydrogen storage device liner, the liner from outside to inside is respectively composed of an outer layer, an isolation layer and an inner layer, the isolation layer is prepared from the material of any one of claims 1-7, the outer layer is prepared from polyamide 6, and the inner layer is prepared from chlorinated polyvinyl chloride.
9. A method of making the hydrogen storage device liner of claim 8, comprising the steps of:
(1) adding polyamide 6 into the mold, performing rotational molding at the temperature of 300-310 ℃ to obtain an outer layer, wherein the rotational molding time is 25-30 min, and performing air cooling to 70-80 ℃.
(2) Adding polyvinyl chloride, high-density polyethylene, ethylene propylene diene monomer and maleic anhydride grafted chlorinated polyvinyl chloride into a mold, performing rotational molding at the temperature of 240-250 ℃ to obtain an isolation layer, performing rotational molding for 30-40 min, and performing air cooling to 70-80 ℃.
(3) Adding chlorinated polyvinyl chloride into the mold, performing rotational molding at the temperature of 70-75 ℃ to obtain the inner layer, performing rotational molding for 40-50 min, performing air cooling to 60-65 ℃, and demolding to obtain the composite material.
CN202111297734.7A 2021-11-04 2021-11-04 Hydrogen storage bottle material with high polymer material inner container and preparation method thereof Pending CN113881150A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115785508A (en) * 2022-11-30 2023-03-14 江苏金材科技有限公司 Hydrogen storage bottle composite material and preparation method thereof

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CA2953089A1 (en) * 2015-02-27 2016-09-01 Toray Industries, Inc. Polyamide resin composition for molded article exposed to high-pressure hydrogen and molded article made of the same
CN111645370A (en) * 2020-05-26 2020-09-11 武汉理工大学 Fiber fully-wound hydrogen storage bottle plastic inner container and forming method thereof
CN112759854A (en) * 2019-11-06 2021-05-07 湖南鼎一致远科技发展有限公司 Novel high-polymer mixed reinforced polyvinyl chloride material and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103073830A (en) * 2013-02-16 2013-05-01 哈尔滨中大型材科技股份有限公司 Preparation method of maleic anhydride grafted chlorinated polyvinyl chloride composite material
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