CN114957980A - Nylon 12 composite material, preparation method and application thereof in preparation of hydrogen storage tank - Google Patents
Nylon 12 composite material, preparation method and application thereof in preparation of hydrogen storage tank Download PDFInfo
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- CN114957980A CN114957980A CN202210628621.9A CN202210628621A CN114957980A CN 114957980 A CN114957980 A CN 114957980A CN 202210628621 A CN202210628621 A CN 202210628621A CN 114957980 A CN114957980 A CN 114957980A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
- D06M14/26—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin
- D06M14/30—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M14/34—Polyamides
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- 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
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- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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Abstract
The invention belongs to the hydrogen energy storage industry, relates to a main material in a hydrogen storage link, and particularly relates to a nylon 12 composite material, a preparation method and application thereof in preparing a hydrogen storage tank. The nylon 12 composite material is prepared from the following components: 100 parts of nylon 12 monomer, 1250-80 parts of nylon, 0.5-5 parts of montmorillonite, 10-20 parts of initiator, 0.2-2 parts of catalyst and a proper amount of monomer solution. The nylon 12 composite material provided by the invention can be used for preparing a hydrogen storage tank, has high hydrogen storage capacity and high pressure of a hydrogen discharge platform, and is more suitable for low-pressure solid hydrogen storage devices and hydrogenation stations.
Description
Technical Field
The invention belongs to the hydrogen energy storage industry, relates to a main material in a hydrogen storage link, and particularly relates to a nylon 12 composite material, a preparation method and application thereof in preparing a hydrogen storage tank.
Background
The remarkable problems of energy and environment in the current society compels people to seek clean renewable energy, so that hydrogen energy with abundant reserves, wide sources and zero pollution jumps into the visual field of human beings and receives increasingly wide attention. Currently, the hydrogen energy industry represented by hydrogen fuel cells is accelerating, receiving high attention from governments and enterprises of developed countries in the world, and becoming a new growth point of the world economy. China also pays high attention to the development and application of hydrogen energy.
The hydrogen fuel cell automobile industry chain comprises the steps of hydrogen production, hydrogen transportation, hydrogenation, vehicle-mounted hydrogen storage, a fuel cell system, an automobile electric drive system and the like. However, due to the limitation of the characteristics of the hydrogen fuel, vehicle-mounted hydrogen storage is a difficult link at present. At present, the vehicle-mounted hydrogen storage technology mainly comprises high-pressure gaseous hydrogen storage, low-temperature liquid hydrogen storage, solid hydrogen storage and the like. The high-pressure gaseous hydrogen storage is a main hydrogen storage technology of the current hydrogen fuel cell automobile due to relatively mature technology and relatively low cost, and a 35MPa high-pressure hydrogen storage bottle is mostly used for a vehicle-mounted hydrogen storage bottle, the volume hydrogen storage density is 20kg/m3, but the current high-pressure hydrogen station has higher cost, and the problems of relatively low volume hydrogen storage density, large potential safety hazard and the like still exist.
At present, there are many hydrogen storage products on the market, mainly including methanol hydrogen storage, high-pressure hydrogen storage, liquefied hydrogen storage, solid-state adsorption hydrogen storage, metal hydride hydrogen storage and the like, and besides the high-pressure hydrogen storage is commercialized at present, other hydrogen storage products are still in experimental stage at present. Therefore, how to develop the hydrogen storage product which can better promote the industrial demand of the hydrogen storage product and can be widely applied in the hydrogen storage industry becomes a problem to be solved urgently by scientific research personnel.
CN113845688A discloses a preparation method of a hydrogen storage material with a slush framework, the method comprises the steps of weighing, proportioning and stirring engineering plastics such as polyethylene, polypropylene and nylon and a low-temperature ADC microparticle powder foaming agent, placing the stirred material into a charging barrel of an injection molding machine, heating the material and then directly injecting the heated material into a slush product mold to obtain a better cell structure and form a slush framework for later use; on the other hand, solution preparation is carried out to obtain a mixed solution, namely the breathable glue for later use; on the other hand, the composite material is prepared for standby; and then placing the ice slush frame, the mixed solution and the composite material for standby in respective containers for composite melting and matching to prepare a hydrogen storage finished product, so that the ice slush frame is fully soaked with the hydrogen storage composite material and fully distributed with micropores, and hydrogen can be reversibly absorbed, stored and released in a large quantity at normal temperature, thereby promoting the safe use of hydrogen energy in power generation and combustion links and improving the use efficiency of green energy.
However, the hydrogen storage material has complex preparation process, limited hydrogen storage capacity and low pressure of a hydrogen discharge platform. Therefore, the development of a novel hydrogen storage material with high hydrogen storage capacity and high hydrogen discharge platform pressure to meet the application requirements of low-pressure solid hydrogen storage devices and hydrogenation stations is a key technical problem to be solved urgently in the technical field of low-pressure solid hydrogen storage.
Disclosure of Invention
The invention aims to provide a nylon 12 composite material, a preparation method and application thereof in preparing a hydrogen storage tank. The nylon 12 composite material provided by the invention can be used for preparing a hydrogen storage tank, has high hydrogen storage capacity and high pressure of a hydrogen discharge platform, and is more suitable for low-pressure solid hydrogen storage devices and hydrogenation stations.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the nylon 12 composite material is prepared from the following components in parts by weight:
further, the initiator is prepared by mixing the following components in a mass ratio of 1: (0.01-0.02) water and 12-aminododecanoic acid.
Further, the catalyst is dodecanedioic acid.
Further, the monomer solution is an acrylic acid solution.
The invention also provides a preparation method of the nylon 12 composite material, which comprises the following steps:
1) dispersing montmorillonite in the molten nylon 12 monomer to obtain the nylon 12 monomer dispersed with montmorillonite;
2) padding nylon 12 in a monomer solution, and then carrying out irradiation grafting reaction to obtain grafted nylon 12;
3) and mixing the nylon 12 monomer dispersed with the montmorillonite with the grafted nylon 12, adding an initiator and a catalyst, and reacting under the protection of inert gas to obtain the nylon 12 composite material.
Further, in the step 2), nylon 12 is padded in the monomer solution, and the liquid carrying capacity of the nylon 12 is 50-120%.
Further, in the step 2), the irradiation grafting reaction is performed under the condition that the irradiation dose is 200-400 kGy.
Further, in the step 3), the reaction is carried out at the temperature of 270 ℃ and the temperature of 280 ℃ and under the pressure of 2.5-3.5Mpa, and the reaction time is 3.5-5 hours.
Further, in the step 1), the montmorillonite is added into the molten nylon 12 monomer when being dispersed in the molten nylon 12 monomer, and the ultrasonic vibration is carried out for 1 to 3 hours.
In the present invention, nylon 12 impregnated in the monomer solution is nylon 12 fiber.
The invention also provides application of the nylon 12 composite material in preparation of a hydrogen storage tank.
Compared with the prior art, the invention has the following advantages:
the nylon 12 composite material can be used for preparing a hydrogen storage tank, has high hydrogen storage capacity and high pressure of a hydrogen discharge platform, and is more suitable for low-pressure solid hydrogen storage devices and hydrogenation stations.
Detailed Description
The following are specific embodiments of the present invention, which are intended to further illustrate the invention and not to limit it.
Example 1
The nylon 12 composite of this example was prepared from the following components:
wherein the initiator is prepared from the following components in a mass ratio of 1: 0.01 of water and 12-aminododecanoic acid.
The preparation method comprises the following steps:
1) adding montmorillonite into molten nylon 12 monomer, and performing ultrasonic oscillation for 1 hour to obtain nylon 12 monomer with montmorillonite dispersed therein;
2) padding nylon 12 in an acrylic acid solution, wherein the liquid carrying capacity of the nylon 12 is 50%, and then carrying out irradiation grafting reaction under the condition that the irradiation dose is 200kGy to obtain the grafted nylon 12;
3) mixing the nylon 12 monomer dispersed with the montmorillonite with the grafted nylon 12, adding an initiator and dodecanedioic acid, and reacting at 270 ℃ and 2.5Mpa for 3.5 hours under the protection of inert gas to obtain the nylon 12 composite material.
Example 2
The nylon 12 composite of this example was prepared from the following components:
wherein the initiator is prepared from the following components in a mass ratio of 1: 0.02 water and 12-aminododecanoic acid.
The preparation method comprises the following steps:
1) adding montmorillonite into molten nylon 12 monomer, and performing ultrasonic oscillation for 3 hours to obtain nylon 12 monomer dispersed with montmorillonite;
2) padding nylon 12 in an acrylic acid solution, wherein the liquid carrying capacity of the nylon 12 is 120%, and then carrying out irradiation grafting reaction under the condition that the irradiation dose is 400kGy to obtain the grafted nylon 12;
3) mixing the nylon 12 monomer dispersed with montmorillonite with the grafted nylon 12, adding an initiator and dodecanedioic acid, and reacting at 280 ℃ and 3.5Mpa for 5 hours under the protection of inert gas to obtain the nylon 12 composite material.
Example 3
The nylon 12 composite material of this example was prepared from the following components:
wherein the initiator is prepared from the following components in a mass ratio of 1: 0.015 parts of water and 12-aminododecanoic acid.
The preparation method comprises the following steps:
1) adding montmorillonite into the molten nylon 12 monomer, and performing ultrasonic oscillation for 2 hours to obtain the nylon 12 monomer dispersed with montmorillonite;
2) padding nylon 12 in an acrylic acid solution, wherein the liquid carrying capacity of the nylon 12 is 80%, and then carrying out irradiation grafting reaction under the condition that the irradiation dose is 300kGy to obtain the grafted nylon 12;
3) mixing the nylon 12 monomer dispersed with montmorillonite with the grafted nylon 12, adding an initiator and dodecanedioic acid, and reacting at 275 ℃ and 3.0Mpa for 4 hours under the protection of inert gas to obtain the nylon 12 composite material.
Example 4
The nylon 12 composite of this example was prepared from the following components:
wherein the initiator is prepared from the following components in a mass ratio of 1: 0.02 water and 12-aminododecanoic acid.
The preparation method comprises the following steps:
1) adding montmorillonite into molten nylon 12 monomer, and performing ultrasonic oscillation for 1.2 hours to obtain nylon 12 monomer with montmorillonite dispersed therein;
2) padding nylon 12 in an acrylic acid solution, wherein the liquid carrying capacity of the nylon 12 is 90%, and then carrying out irradiation grafting reaction under the condition that the irradiation dose is 250kGy to obtain the grafted nylon 12;
3) mixing the nylon 12 monomer dispersed with montmorillonite with the grafted nylon 12, adding an initiator and dodecanedioic acid, and reacting at 278 ℃ and 3.2Mpa under the protection of inert gas for 4.5 hours to obtain the nylon 12 composite material.
Example 5
The nylon 12 composite material of this example was prepared from the following components:
wherein the initiator is prepared from the following components in a mass ratio of 1: 0.01 of water and 12-aminododecanoic acid.
The preparation method comprises the following steps:
1) adding montmorillonite into molten nylon 12 monomer, and performing ultrasonic oscillation for 2.6 hours to obtain nylon 12 monomer with montmorillonite dispersed therein;
2) padding nylon 12 in an acrylic acid solution, wherein the liquid carrying capacity of the nylon 12 is 85%, and then carrying out irradiation grafting reaction under the condition that the irradiation dose is 320kGy to obtain the grafted nylon 12;
3) mixing the nylon 12 monomer dispersed with montmorillonite with the grafted nylon 12, adding an initiator and dodecanedioic acid, and reacting at 278 ℃ and 2.8Mpa under the protection of inert gas for 4.2 hours to obtain the nylon 12 composite material.
Comparative example 1
The nylon 12 composite material of the comparative example was prepared from the following components:
wherein the initiator is prepared from the following components in a mass ratio of 1: 0.01 of water and 12-aminododecanoic acid.
The preparation method comprises the following steps:
1) adding montmorillonite into molten nylon 12 monomer, and performing ultrasonic oscillation for 1 hour to obtain nylon 12 monomer with montmorillonite dispersed therein;
2) adding an initiator and dodecanedioic acid into the nylon 12 monomer dispersed with the montmorillonite, and reacting at the temperature of 270 ℃ and the pressure of 2.5Mpa for 3.5 hours under the protection of inert gas to obtain the nylon 12 composite material.
Comparative example 2
The nylon 12 composite material of the comparative example was prepared from the following components:
wherein the initiator is a mixture of 1: 0.01 of water and 12-aminododecanoic acid.
The preparation method comprises the following steps:
1) adding montmorillonite into the molten nylon 12 monomer, and performing ultrasonic oscillation for 1 hour to obtain the nylon 12 monomer dispersed with montmorillonite;
2) mixing the nylon 12 monomer dispersed with the montmorillonite with nylon 12, adding an initiator and dodecanedioic acid, and reacting at 270 ℃ and 2.5Mpa under the protection of inert gas for 3.5 hours to obtain the nylon 12 composite material.
Test example 1
The composite materials of examples and comparative examples were subjected to hydrogen storage property measurement at 298K. The results are shown in Table 1:
TABLE 1 test results of hydrogen storage Properties
| Hydrogen storage capacity (wt%) | Pressure of hydrogen discharge platform (MPa) | |
| Example 1 | 1.78 | 1.37 |
| Example 2 | 1.74 | 1.34 |
| Example 3 | 1.75 | 1.35 |
| Example 4 | 1.72 | 1.36 |
| Example 5 | 1.76 | 1.33 |
| Comparative example 1 | 1.52 | 0.36 |
| Comparative example 2 | 1.47 | 0.24 |
The test results show that the nylon 12 composite material has high hydrogen storage capacity and high hydrogen discharge platform pressure, and is more suitable for low-pressure solid hydrogen storage devices and hydrogenation stations.
Claims (10)
1. The nylon 12 composite material is characterized in that the nylon 12 composite material is prepared from the following components:
2. the nylon 12 composite material as claimed in claim 1, wherein the initiator is a mixture of the initiator and the initiator in a mass ratio of 1: (0.01-0.02) water and 12-aminododecanoic acid.
3. The nylon 12 composite of claim 1, wherein the catalyst is dodecanedioic acid.
4. The nylon 12 composite of claim 1, wherein the monomer solution is an acrylic acid solution.
5. A method for preparing the nylon 12 composite material as claimed in any one of claims 1 to 4, wherein the method comprises the following steps:
1) dispersing montmorillonite in the molten nylon 12 monomer to obtain the nylon 12 monomer dispersed with montmorillonite;
2) padding nylon 12 in a monomer solution, and then carrying out irradiation grafting reaction to obtain grafted nylon 12;
3) and mixing the nylon 12 monomer dispersed with the montmorillonite with the grafted nylon 12, adding an initiator and a catalyst, and reacting under the protection of inert gas to obtain the nylon 12 composite material.
6. The method according to claim 5, wherein in the step 2), the nylon 12 is padded in the monomer solution, and the carrying liquid amount of the nylon 12 is 50-120%.
7. The method according to claim 6, wherein the irradiation grafting reaction in step 2) is performed at an irradiation dose of 200kGy and 400 kGy.
8. The method as claimed in claim 7, wherein the reaction is carried out at a temperature of 270 ℃ and a pressure of 2.5 to 3.5MPa for a period of 3.5 to 5 hours in step 3).
9. The method according to any one of claims 5 to 8, wherein the step 1) of dispersing the montmorillonite in the molten nylon 12 monomer is to add the montmorillonite to the molten nylon 12 monomer and to perform ultrasonic vibration for 1 to 3 hours.
10. Use of the nylon 12 composite material according to any one of claims 1 to 4 or the nylon 12 composite material produced by the production method according to any one of claims 5 to 9 for producing a hydrogen storage tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210628621.9A CN114957980B (en) | 2022-05-25 | 2022-05-25 | Nylon 12 composite material, preparation method and application thereof in preparation of hydrogen storage tank |
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| CN202210628621.9A CN114957980B (en) | 2022-05-25 | 2022-05-25 | Nylon 12 composite material, preparation method and application thereof in preparation of hydrogen storage tank |
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| CN114957980B CN114957980B (en) | 2023-10-20 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513913A (en) * | 2002-12-31 | 2004-07-21 | 中国石油化工股份有限公司 | Nylon composition and its preparation method |
| CN1931921A (en) * | 2006-08-28 | 2007-03-21 | 浙江阳光纳米科技有限公司 | Prepn process of composite nylon MXD6/nanometer montmorillonite material |
| CN102993742A (en) * | 2012-09-29 | 2013-03-27 | 天津金发新材料有限公司 | Preparation method and application of nylon6/66 composite material |
| US20150285438A1 (en) * | 2012-10-10 | 2015-10-08 | Rhodia Operations | Gas storage tank |
| CN109880354A (en) * | 2019-03-12 | 2019-06-14 | 合肥原然新材料有限公司 | A kind of porous nylon carrier material and preparation method thereof |
| CN112524479A (en) * | 2020-11-27 | 2021-03-19 | 广州特种承压设备检测研究院 | Hydrogen storage cylinder gas replacement system, method, device and storage medium |
| CN113845688A (en) * | 2021-11-22 | 2021-12-28 | 上海超高环保科技股份有限公司 | Method for manufacturing ice slush-structured hydrogen storage material |
| JP2022036774A (en) * | 2020-08-24 | 2022-03-08 | 大成建設株式会社 | Gas storage/release material |
-
2022
- 2022-05-25 CN CN202210628621.9A patent/CN114957980B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513913A (en) * | 2002-12-31 | 2004-07-21 | 中国石油化工股份有限公司 | Nylon composition and its preparation method |
| CN1931921A (en) * | 2006-08-28 | 2007-03-21 | 浙江阳光纳米科技有限公司 | Prepn process of composite nylon MXD6/nanometer montmorillonite material |
| CN102993742A (en) * | 2012-09-29 | 2013-03-27 | 天津金发新材料有限公司 | Preparation method and application of nylon6/66 composite material |
| US20150285438A1 (en) * | 2012-10-10 | 2015-10-08 | Rhodia Operations | Gas storage tank |
| CN109880354A (en) * | 2019-03-12 | 2019-06-14 | 合肥原然新材料有限公司 | A kind of porous nylon carrier material and preparation method thereof |
| JP2022036774A (en) * | 2020-08-24 | 2022-03-08 | 大成建設株式会社 | Gas storage/release material |
| CN112524479A (en) * | 2020-11-27 | 2021-03-19 | 广州特种承压设备检测研究院 | Hydrogen storage cylinder gas replacement system, method, device and storage medium |
| CN113845688A (en) * | 2021-11-22 | 2021-12-28 | 上海超高环保科技股份有限公司 | Method for manufacturing ice slush-structured hydrogen storage material |
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