CN114479345B - Sealing material for fireproof plate hot press and preparation method thereof - Google Patents
Sealing material for fireproof plate hot press and preparation method thereof Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
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- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
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- C08J2427/00—Characterised by the use 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 a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract
The application relates to the field of sealing materials, and particularly discloses a sealing material for a fireproof plate hot press and a preparation method thereof. The sealing material for the fire-proof plate hot press comprises the following components in parts by weight: 50-70 parts of polyether-ether-ketone powder; processing 10-30 parts of viscosity blending powder; 10-30 parts of a micro-nano reinforcing material; 2-8 parts of lubricating materials; 2-5 parts of phase transfer material. The sealing material for the fireproof plate hot press has the advantages of good processing and forming performance, good antifriction and wear resistance performance and sealing performance, strong temperature and pressure resistance effect and long service life; in addition, the preparation method has the advantages of simple process, strong operability and low comprehensive processing cost.
Description
Technical Field
The application relates to the field of sealing materials, in particular to a sealing material for a fireproof plate hot press and a preparation method thereof.
Background
The fireproof board is a fireproof building material for surface decoration, has rich surface color, grains and special physical properties, and is mainly prepared by impregnating raw paper with melamine and phenolic resin and then performing high-temperature and high-pressure working procedures. The continuous hot-pressing equipment for the fire-proof plate is used for processing the plate by using the pressure brought by applying a sealing material sealing air source to a steel belt and the tension generated by the stretching of a steel belt tension roller. In the prior art, the sealing material is mostly pure polytetrafluoroethylene material, and although there is some new material to fill, but the easy deformation of relevant sealing material in high temperature environment, wear resistance are relatively poor, and influence the key sealing performance of goods, need frequently change the sealing material in order to satisfy specific application demand.
Polyetheretherketone is an aromatic thermoplastic engineering plastic with excellent high temperature resistance, has excellent chemical stability, dimensional stability and mechanical strength, and is widely applied to the fields of aerospace, rail transit, ships, automobiles and the like. The polyether-ether-ketone resin has very excellent comprehensive performance, but the single polyether-ether-ketone resin is still difficult to meet different use requirements, and the modification of the polyether-ether-ketone is currently methods such as fiber reinforcement modification, blending modification, filling modification and the like. The traditional fiber-reinforced modified polyether-ether-ketone is prepared by a method of glass fiber reinforced polyether-ether-ketone, carbon fiber reinforced polyether-ether-ketone, glass fiber and carbon fiber mixed reinforced polyether-ether-ketone and the like, the polyether-ether-ketone has a small friction coefficient and good self-lubricating performance, but has poor wear resistance, and the polyether-ether-ketone/polytetrafluoroethylene optimized blending can obtain better friction and wear resistance.
In view of the above-mentioned related technologies, the inventors found that when the existing polyetheretherketone sealing material is used in a fire-proof plate hot press, the antifriction and wear resistance and the sealing performance are insufficient under a high-temperature and high-pressure environment, and the service life is short.
Disclosure of Invention
In order to improve the antifriction wear resistance and the sealing performance of the sealing material for the fireproof plate hot press, the application provides the sealing material for the fireproof plate hot press and the preparation method thereof.
In a first aspect, the application provides a sealing material for a fireproof plate hot press, which adopts the following technical scheme:
the sealing material for the fireproof plate hot press comprises the following components in parts by weight:
by adopting the technical scheme, the polyetheretherketone powder is used as a base material, a lubricating material, a micro-nano reinforcing material and the like are added, the polyetheretherketone powder has excellent wear resistance, physical and mechanical strength and chemical corrosion resistance, the temperature resistance level is high, the long-term use temperature is above 260 ℃, the creep property is small, the fatigue resistance is excellent, the processing viscosity is blended with the powder, and the processing viscosity of the system is adjusted, so that the porosity is small in the production process of the high-viscosity polyetheretherketone, the micro-nano reinforcing material is fully impregnated, and the friction coefficient and the sealing performance of the sealing material are improved.
Preferably, the micro-nano reinforcing material is one or more of nano calcium carbonate, nano silicon dioxide, nano attapulgite, glass fiber and carbon fiber.
By adopting the technical scheme, the nano calcium carbonate has large specific surface area and can be firmly combined with the polyether-ether-ketone, so that the critical stress of the sealing material for initiating cracks is reduced, the expansion speed of the cracks is reduced, and the toughness of the sealing material is improved; the wear-resistant silica has the characteristics of small particle size, more micropores, large specific surface area and the like, can serve as a supporting point when being fully dispersed in the polyetheretherketone, has the function of preferentially bearing load, and can prevent further wear to a certain extent; the strength, toughness and wear resistance of the sealing material can be greatly improved; the layer chain structure of the nano attapulgite forms a structure that an inorganic network and an organic polymer network are mutually wound and crossed in a polyether-ether-ketone system, the nano attapulgite is matched with a lubricating material and then further interacts with the lubricating material to form a crossed network structure, and the viscosity blending powder is processed to ensure that the composite network structure of the sealing material is stable, the mechanical property is good, and the antifriction and wear resistance is strong.
The nano calcium carbonate, the nano silica and the nano attapulgite have high mechanical strength, good chemical corrosion resistance and good heat conductivity, but have poor compatibility with the polyether-ether-ketone, so that the lubricating material is used to improve the interfacial force between the nano calcium carbonate and the nano silica and improve the wear resistance of the polyether-ether-ketone sealing material to the maximum extent.
Glass fiber and carbon fiber can produce the skin-core structure along with the orientation of melt flow direction in extrusion process, play the skeleton effect in sealing material, and it is that when sealing material receives the external force effect, sealing material conducts external force to the skeleton, and the skeleton just plays the effect of support and dispersion external force to strengthen sealing material's flexural modulus and bending strength, improve sealing material's wearability and leakproofness.
Preferably, the micro-nano reinforcing material is nano calcium carbonate, glass fiber and carbon fiber, and the mass ratio of the nano calcium carbonate to the glass fiber to the carbon fiber is 1 (0.5-2.0) to 0.3-0.5.
By adopting the technical scheme, under the action of the glass fiber and the carbon fiber, the nano calcium carbonate can play a firm load role on the polyether-ether-ketone and is not easy to fall off, so that the wear resistance of the polyether-ether-ketone is remarkably improved, in the friction process, the friction heat is accumulated continuously, the temperature of a grinding surface is increased continuously, the local area of the wear surface generates instantaneous high temperature, the nano calcium carbonate is instantaneously cremated, the viscosity of the polyether-ether-ketone is reduced due to the temperature rise, and the nano calcium carbonate is not easy to move in a deviation way under the action of external load under the tension of the carbon fiber and the glass fiber, so that the friction performance of the sealing material is not uniform.
Preferably, the particle size of the polyether-ether-ketone powder is 500-700 meshes, and the melt index of the polyether-ether-ketone powder is 80-90g/10min.
By adopting the technical scheme, the polyether-ether-ketone powder material with the particle size of 500-700 meshes can be uniformly dispersed with micro-nano reinforced materials, lubricating materials and the like, the viscosity of the polyether-ether-ketone with the melt index of 80-90g/10min is proper, the phenomena that the viscosity is high, the moldability is poor during extrusion, the product performance is influenced, and the viscosity is low, and the toughness of the final sealing material is influenced are prevented.
Preferably, the processing viscosity blending powder is selected from one or more of polyimide, polytetrafluoroethylene wax and polytetrafluoroethylene micro powder.
By adopting the technical scheme, the polytetrafluoroethylene micro powder has the advantages of high thermal stability and chemical stability and good antifriction performance, can improve the high temperature resistance of the sealing material, is matched with the nano calcium carbonate for use, and obviously improves the wear resistance, the high temperature resistance and the pressure resistance of the sealing material; the compatibility of the polyimide and the polyether-ether-ketone is good, the viscosity and the molding temperature of the sealing material can be effectively reduced, and the toughness of the sealing material is improved; the polytetrafluoroethylene wax has lubricating property and friction resistance, good wear resistance and temperature resistance, is easy to disperse, and can improve the friction reduction wear resistance and the temperature resistance of the sealing material.
Preferably, the lubricating material is selected from one or more of lubricating grease, molybdenum disulfide, graphite, copper powder and zinc powder.
By adopting the technical scheme, the lubricating grease can reduce friction and resist wear, reduce friction resistance to save energy, reduce wear and prolong the service life of the sealing material; the extreme pressure abrasion resistance of the molybdenum disulfide is good, a tough film is formed on a high-load part, the friction is reduced, and the high temperature resistance of the molybdenum disulfide is strong, so that the service life of the sealing material in a high-temperature and high-pressure environment on a fireproof plate hot press is prolonged; the graphite is used as a lubricating material, so that the friction coefficient can be reduced, the abrasion to the material can be reduced, the service life of the sealing material is prolonged, the graphite is high-temperature resistant, has overstocked wear resistance, and is excellent in friction reduction and wear resistance under high temperature and high pressure; the copper powder can improve the heat conduction performance of the sealing material and reduce the temperature of a friction surface, so that the decomposition of the polyether-ether-ketone sealing material is delayed, and a certain antifriction effect is achieved; the zinc powder can reduce friction factor and repair the friction surface to a certain extent.
Preferably, the phase transfer material is selected from one or two of organic clay and talcum powder.
By adopting the technical scheme, the talcum powder or the organic clay can improve the surface hardness and the ageing resistance of the sealing material.
In a second aspect, the application provides a preparation method of a sealing material for a fire-proof plate hot press, which adopts the following technical scheme:
a preparation method of a sealing material for a fireproof plate hot press comprises the following steps:
mixing polyether-ether-ketone powder, processing viscosity blending powder, a micro-nano reinforcing material, a lubricating material and a phase transfer material to prepare a premix;
heating and melting the premix to obtain a molten blend;
and (3) pressing and molding the molten blend to prepare the sealing material.
By adopting the technical scheme, the raw materials are fully mixed and then are subjected to melt blending, the components can be more uniformly mixed by melting, the sealing material is prepared by hot press molding, the prepared product has good elasticity and strong sealing property, and the preparation method is easy to operate.
Preferably, the stirring speed is 1000-1500rpm and the stirring time is 20-30min during mixing.
By adopting the technical scheme, the raw materials can be fully and uniformly mixed by stirring under the condition, the porosity of the surface of the polyether-ether-ketone sealing material is reduced, and the toughness is improved.
Preferably, the hot press molding conditions are as follows: the temperature is 350-370 ℃, the pressure is 10-12MPa, the heat preservation time is 3-3.2h, and the cooling pressure is 4-5MPa by blast cooling.
By adopting the technical scheme, the micro-nano reinforced material and other substances can be uniformly dispersed in the polyether-ether-ketone and present a three-dimensional network shape by hot press molding at 350-370 ℃, so that a good composite effect is formed.
In summary, the present application has the following beneficial effects:
1. according to the method, the polyether-ether-ketone is used as a base material, the processing viscosity blending powder is added, and the copper is used for adjusting the hot processing viscosity of the system, so that the problems of large internal porosity of the material, insufficient dispersion of raw materials and insufficient sample performance in the production process of the high-viscosity polyether-ether-ketone resin are solved; in addition, the micro-nano reinforcing material, the lubricating material and the phase transfer material are used, so that the sealing material has high friction performance, good lubricity and strong sealing performance, and has good high-temperature and high-pressure resistant effects and long service life when used on a fireproof plate hot press.
2. Preferentially adopt nanometer calcium carbonate, glass fiber and carbon fiber as receiving reinforcing material a little in this application, the complex use of different particle diameter fillers has improved the tribology performance of sealing material when using on the PLASTIC LAMINATED hot press to a certain extent, and when using, the lubricated class material of cooperation high temperature resistance further satisfies the lubricated demand of PLASTIC LAMINATED hot press.
3. Molybdenum disulfide, lubricating grease and the like are preferably used as lubricating materials in the application, so that the compatibility of the sealing material and the lubricating materials in the application process is ensured, and the requirement of the fireproof plate hot press on the sealing performance of the material is further met; the organic clay and the talcum powder are used as phase transfer materials, so that the sealing material can further meet the requirements of lack of oil and even careless lubrication of a fire-proof plate hot press on the premise of not influencing the sealing performance of the material in a severe using process.
4. The preparation method is simple in process and strong in operability, the processing is integrated into the whole, and the prepared sealing material has better machining performance and excellent tribological performance.
Drawings
FIG. 1 is a friction curve of the sealing materials prepared in example 1, comparative example 1 and comparative example 2.
Detailed Description
Examples
Example 1: the raw material consumption of the sealing material for the fire-proof plate hot press is shown in table 1, wherein the particle size of polyether-ether-ketone powder is 500 meshes, the melt index of the polyether-ether-ketone powder is 80g/10min, the micro-nano reinforcing material comprises nano calcium carbonate, glass fiber and carbon fiber in a mass ratio of 1:0.3, the particle size of the nano calcium carbonate is 50nm, the lengths of the glass fiber and the carbon fiber are 50nm, the processing viscosity blending powder is polytetrafluoroethylene micropowder, the lubricating material is molybdenum disulfide, the particle size is 0.5 mu m, the phase transfer material is talcum powder, and the particle size is 325 meshes, and the preparation method of the sealing material for the fire-proof plate hot press comprises the following steps: adding polyether-ether-ketone powder, processing viscosity blending powder, a micro-nano reinforcing material, a lubricating material and a phase transfer material into a stirring kettle for mixing, wherein the stirring speed is 1000rpm, the stirring time is 30min, then putting the obtained product into a double-screw extruder, carrying out melt blending at 180 ℃ to prepare a melt blend, carrying out hot press molding on the melt blend, wherein the hot press temperature is 370 ℃, the pressure is 10MPa, the heat preservation time is 3h, and carrying out blast cooling, and the cooling pressure is 5MPa.
TABLE 1 raw material composition of sealing material for fire-proof plate hot press in examples 1-2
Example 2: the raw material consumption of the sealing material for the fire-proof plate hot press is shown in table 1, wherein the particle size of polyether-ether-ketone powder is 500 meshes, the melt index of the polyether-ether-ketone powder is 80g/10min, the micro-nano reinforcing material comprises nano calcium carbonate, glass fiber and carbon fiber in a mass ratio of 1 to 2.3, the particle size of the nano calcium carbonate is 50nm, the lengths of the glass fiber and the carbon fiber are 50nm, the processing viscosity blending powder is polytetrafluoroethylene micropowder, the lubricating material is molybdenum disulfide, the particle size is 0.5 mu m, the phase transfer material is talcum powder, and the particle size is 325 meshes, and the preparation method of the sealing material for the fire-proof plate hot press comprises the following steps: adding polyether-ether-ketone powder, processing viscosity blending powder, a micro-nano reinforcing material, a lubricating material and a phase transfer material into a stirring kettle for mixing, wherein the stirring speed is 1000rpm, the stirring time is 30min, then putting the obtained product into a double-screw extruder, carrying out melt blending at 180 ℃ to prepare a melt blend, carrying out hot press molding on the melt blend, wherein the hot press temperature is 370 ℃, the pressure is 10MPa, the heat preservation time is 3h, and carrying out blast cooling, and the cooling pressure is 5MPa.
Example 3: the raw material consumption of the sealing material for the fireproof plate hot press is shown in table 1, wherein the particle size of polyether-ether-ketone powder is 500 meshes, the melt index of the polyether-ether-ketone powder is 80g/10min, the micro-nano reinforcing material comprises nano calcium carbonate, glass fiber and carbon fiber in a mass ratio of 1.5:
adding polyether-ether-ketone powder, processing viscosity blending powder, a micro-nano reinforcing material, a lubricating material and a phase transfer material into a stirring kettle for mixing, wherein the stirring speed is 1000rpm, the stirring time is 30min, then putting the obtained product into a double-screw extruder, carrying out melt blending at 180 ℃ to prepare a melt blend, carrying out hot press molding on the melt blend, wherein the hot press temperature is 370 ℃, the pressure is 10MPa, the heat preservation time is 3h, and carrying out blast cooling, and the cooling pressure is 5MPa.
Comparative example
Comparative example 1: the sealing material for the fire-proof plate hot press is different from the sealing material in example 1 in that the following raw materials are used: 63.16g of polyether-ether-ketone powder, 15.79g of processing viscosity blending powder and 21.05g of micro-nano reinforcing material.
Comparative example 2: the sealing material for the fire-proof plate hot press is different from the sealing material in example 1 in that the following raw materials are used: 60.22g of polyether-ether-ketone powder, 15.31g of processing viscosity blending powder, 20.41g of micro-nano reinforcing material and 3.06g of lubricating material.
Performance test
1. The sealing material was made into 5 by 8 by 24mm test strips according to the methods in the examples and comparative examples, the properties of the sealing material were tested according to the following methods and the test results are reported in table 2:
1. density: according to GB/T1033.1-2008, part 1 of the determination of the density of non-foamed plastics: detecting by a dipping method, a liquid specific gravity bottle method and a titration method;
2. hardness; the detection method is carried out according to the detection method of Shore D.
Table 2 performance test results of sealing material for fire-proof plate hot press
As can be seen from the data in table 2, in the micro-nano reinforced material in example 1, the mass ratio of the nano calcium carbonate, the glass fiber and the carbon fiber is 1; in example 3, the mass ratio of the nano calcium carbonate to the glass fiber to the carbon fiber was 1.5.
In comparative example 1, compared with example 1, since the lubricating material and the phase transfer material were not added, the hardness of the resulting sealing material was lowered and the wear resistance was lowered although the surface of the sealing material was flat.
Comparative example 2 compared to example 1, the seal material produced was flat in surface but had a hardness less than that of example 1 because the phase transfer material was not added.
2. The sealing materials prepared in example 1, comparative example 1 and comparative example 2 were formed into plates, processed into 5 × 8 × 24mm 3 The test strip of (1) utilizes SRV to examine the tribological performance of the material, the test conditions are that the load is 10N, the temperature is 240 ℃, the amplitude is 1mm, the frequency is 25Hz, the test time is 30min, the dry friction (without any lubricating medium) is realized, and the tribological curve of the sealing material is shown in figure 1.
As can be seen from FIG. 1, the friction coefficient of the test strip prepared in example 1 gradually increases after dry friction, but after 200s, the friction coefficient is stable and does not change much and is within 0.1, and when the friction is 600s-1800s, the friction coefficient gradually exceeds 0.1; when the friction of the sealing material prepared by the comparative example 1 is within 100s, the friction coefficient is over 0.2, and the friction coefficient is obviously increased along with the friction; the sealing material prepared in comparative example 2 had a friction coefficient higher than 0.1 at a friction time of about 200s, and the longer the friction time, the larger the friction coefficient, and the insufficient wear resistance.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (5)
1. The sealing material for the fireproof plate hot press is characterized by comprising the following components in parts by weight:
50-70 parts of polyether-ether-ketone powder
10-30 parts of processing viscosity blending powder
10-30 parts of micro-nano reinforced material
2-8 parts of lubricating material
2-5 parts of phase transfer material;
the micro-nano reinforcing material is nano calcium carbonate, glass fiber and carbon fiber, and the mass ratio of the nano calcium carbonate to the glass fiber to the carbon fiber is 1 (2.6/8.7);
the processing viscosity blending powder is polytetrafluoroethylene micro powder;
the lubricating material is selected from one or more of lubricating grease, molybdenum disulfide, graphite, copper powder and zinc powder;
the phase transfer material is selected from one or two of organic clay and talcum powder.
2. The sealing material for a fire-proof plate hot press according to claim 1, wherein the polyetheretherketone powder has a particle size of 500 to 700 mesh and a melt index of 80 to 90g/10min.
3. The method for producing a sealing material for a fire prevention plate hot press according to any one of claims 1 to 2, characterized by comprising the steps of:
mixing polyether-ether-ketone powder, processing viscosity blending powder, a micro-nano reinforcing material, a lubricating material and a phase transfer material to prepare a premix;
heating and melting the premix to obtain a molten blend;
and (3) pressing and molding the molten blend to prepare the sealing material.
4. The method for producing a sealing material for a fire-proof plate hot press according to claim 3, wherein the stirring is performed at a rotation speed of 1000 to 1500rpm for 20 to 30min.
5. The method for producing a sealing material for a fire retardant panel press according to claim 3, wherein the conditions for the hot press molding are: the temperature is 350-370 ℃, the pressure is 10-12MPa, the heat preservation time is 3-3.2h, and the cooling pressure is 4-5MPa by blast cooling.
Priority Applications (1)
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|---|---|---|---|---|
| JPH115965A (en) * | 1997-06-19 | 1999-01-12 | Mitsui Chem Inc | Seal ring prepared from glass-fiber-loaded resin composition |
| JP2007145934A (en) * | 2005-11-25 | 2007-06-14 | Nok Corp | Resin composition and oil seal ring |
| CN105538577A (en) * | 2015-12-21 | 2016-05-04 | 华中科技大学 | Hot press molding device for carbon fiber enhanced polyether-ether-ketone (PEEK) composite material and technological method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4589154B2 (en) * | 2005-03-09 | 2010-12-01 | 株式会社リケン | Seal ring |
| WO2010078697A1 (en) * | 2009-01-09 | 2010-07-15 | 瑞鸿复材企业股份有限公司 | Method for manufacturing thermoplastic resin pre-impregnated fiber structure |
| CN101735554B (en) * | 2009-12-31 | 2012-08-29 | 长沙理工大学 | Polyetheretherketone composite material, preparation method and application thereof |
| CN103467978B (en) * | 2013-09-23 | 2016-06-29 | 湖南工业大学 | A kind of carrying roller multiple elements design modified nylon 6 composites and preparation method thereof |
| CN105175991A (en) * | 2014-06-13 | 2015-12-23 | 黑龙江鑫达企业集团有限公司 | Preparation method of high strength polyether ether ketone composite material |
| CN109825030B (en) * | 2019-02-22 | 2020-09-01 | 中国科学院兰州化学物理研究所 | Polyether-ether-ketone sealing material and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH115965A (en) * | 1997-06-19 | 1999-01-12 | Mitsui Chem Inc | Seal ring prepared from glass-fiber-loaded resin composition |
| JP2007145934A (en) * | 2005-11-25 | 2007-06-14 | Nok Corp | Resin composition and oil seal ring |
| CN105538577A (en) * | 2015-12-21 | 2016-05-04 | 华中科技大学 | Hot press molding device for carbon fiber enhanced polyether-ether-ketone (PEEK) composite material and technological method thereof |
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