CN109233056B - Ultrahigh molecular weight polyethylene composition and preparation method and application thereof - Google Patents
Ultrahigh molecular weight polyethylene composition and preparation method and application thereof Download PDFInfo
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- CN109233056B CN109233056B CN201810971133.1A CN201810971133A CN109233056B CN 109233056 B CN109233056 B CN 109233056B CN 201810971133 A CN201810971133 A CN 201810971133A CN 109233056 B CN109233056 B CN 109233056B
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
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Abstract
The invention relates to an ultra-high molecular weight polyethylene composition, which comprises the following raw material components in parts by weight: 100 parts of ultrahigh molecular weight polyethylene; 0.01-5 parts of polyphenyl ether; 0.1-10 parts of a filler; 0.01-5 parts of a compatibilizer; 0.001-1 part of initiator. The material disclosed by the invention has excellent rigidity and wear resistance, and is suitable for the field of creep-resistant and high-strength plates such as bridge support sliding plates and the like which do not deform under the high pressure of reciprocating motion.
Description
Technical Field
The invention belongs to the technical field of polymers, and particularly relates to an ultrahigh molecular weight polyethylene composition, and a preparation method and application thereof.
Background
The high-speed development of national economy in China puts forward a grand plan of an eight-vertical-eight-horizontal high-speed railway network, and the high-speed railways in China are predicted to be increased from 1.9 kilometers to 3 kilometers at the end of 2015 by 2020. When a railway is built, various railway bridges are required to be built, 81 percent of Jinghusu high-speed rails are bridges, the span is marked to be 32 meters, and the bridge supports with high performance are correspondingly required. The most critical part in the bridge bearing is a sliding plate for the bearing, and the material is required to have excellent wear resistance, self-lubricating property, impact resistance and rigidity.
The ultra-high molecular weight polyethylene (UHMWPE) is polyethylene with the molecular weight more than 100 ten thousand, the molecular chain structure of the ultra-high molecular weight polyethylene (UHMWPE) is highly entangled to endow the polyethylene with excellent mechanical properties, and the ultrahigh molecular weight polyethylene (UHMWPE) has impact resistance and wear resistance which are the top of plastics and is called as miraculous plastics. But the material has low rigidity due to its entangled amorphous phase which distinguishes the daughter strands and makes them less crystalline. The UHMWPE plate with the molecular weight of up to 1200 ten thousand can not meet the use requirements of large load and high transverse and vertical rigidity, so the UHMWPE plate must be modified, the rigidity and the wear resistance of the material are further improved, and the friction coefficient is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-rigidity wear-resistant ultra-high molecular weight polyethylene composition, and a preparation method and application thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention aims to provide an ultra-high molecular weight polyethylene composition, which comprises the following raw material components in parts by weight:
preferably, the ultra-high molecular weight polyethylene composition consists of the following raw material components in parts by weight:
preferably, the viscosity average molecular weight of the ultra-high molecular weight polyethylene is 300 to 1200 ten thousand.
Preferably, the polyphenylene ether has a viscosity average molecular weight of 0.2 to 10 ten thousand.
Preferably, the filler is one or more of silicon dioxide, calcium carbonate, graphene, graphite, molybdenum disulfide, silicon carbide and zinc oxide.
Preferably, the filler has an average particle size of 1 nm to 10 μm.
Preferably, the compatibilizer is one or more of maleic anhydride, acrylic acid, methacrylic acid and polyurethane acrylic acid.
Preferably, the initiator is one or more of dicumyl peroxide, benzoyl peroxide, dicumyl hydroperoxide, 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide and di-tert-butyl peroxide.
The invention also aims to provide a preparation method of the ultra-high molecular weight polyethylene composition, which is obtained by mixing the ultra-high molecular weight polyethylene, the polyphenyl ether, the filler, the compatibilizer and the initiator for 30-60 minutes according to parts by weight.
The third purpose of the invention is to provide a plate which is prepared by compression molding the ultra-high molecular weight polyethylene composition.
The fourth purpose of the invention is to provide a preparation method of the plate, wherein the plate is prepared by compression molding the ultra-high molecular weight polyethylene composition at 10-30 MPa and 210-280 ℃.
The fifth purpose of the invention is to provide the application of the ultra-high molecular weight polyethylene composition or the plate in bridge bearing sliding plates.
The ultra-high molecular weight polyethylene has excellent impact resistance and wear resistance; and the polyphenyl ether is high-strength engineering plastic and has the characteristics of high rigidity, wear resistance, no toxicity, pollution resistance, good size stability and the like. Therefore, the ultrahigh molecular weight polyethylene and the polyphenyl ether are used in a matched manner, the compatibility of the ultrahigh molecular weight polyethylene and the polyphenyl ether is solved by adopting the compatilizer, the interface of the UHMWPE and the polyphenyl ether has good strength, the material is modified by the filler to obtain the high-performance material with extremely low friction coefficient, and the plate pressed by the material can meet the use requirement of the bridge bearing sliding plate.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
the material disclosed by the invention has excellent rigidity and wear resistance, and is suitable for the field of creep-resistant and high-strength plates such as bridge support sliding plates and the like which do not deform under the high pressure of reciprocating motion.
Detailed Description
The present invention will be described in detail with reference to specific examples, and the raw materials used in the present invention are commercially available.
Example 1
100 parts by weight of 1200 ten thousand molecular weight ultrahigh molecular weight polyethylene, 0.01 part by weight of 10 ten thousand molecular weight polyphenylene ether, 10 parts by weight of graphene with the average particle size of 200 nanometers, 0.01 part by weight of maleic anhydride and 0.001 part by weight of benzoyl peroxide are mixed at high speed for 30 minutes, and then the mixture is molded into a plate, the molding pressure is 25MPa, and the temperature is 210 ℃.
The performance indexes of the plate are shown in table 1.
Example 2
Mixing 100 parts by weight of 1000 ten thousand of ultrahigh molecular weight polyethylene, 0.5 part by weight of 8 ten thousand of polyphenylene ether, 7 parts by weight of silicon dioxide with the average particle size of 1 nanometer, 0.1 part by weight of acrylic acid and 0.02 part by weight of dicumyl peroxide at a high speed for 40 minutes, and then carrying out compression molding on the mixture to form a plate, wherein the compression molding pressure is 30MPa and the temperature is 220 ℃.
The performance indexes of the plate are shown in table 1.
Example 3
Mixing 100 parts by weight of 900 ten thousand molecular weight ultrahigh molecular weight polyethylene, 3 parts by weight of 5 ten thousand molecular weight polyphenylene ether, 3 parts by weight of calcium carbonate with the average particle size of 5 microns, 1.5 parts by weight of acrylic acid and 0.4 part by weight of di-tert-butyl peroxide at a high speed for 40 minutes, and then carrying out compression molding on the mixture to obtain a plate, wherein the compression molding pressure is 15MPa and the temperature is 265 ℃.
The performance indexes of the plate are shown in table 1.
Example 4
Mixing 100 parts by weight of 700 ten thousand molecular weight ultrahigh molecular weight polyethylene, 2 parts by weight of 6 ten thousand molecular weight polyphenylene ether, 5 parts by weight of molybdenum disulfide with the average particle size of 50 nanometers, 2 parts by weight of polyurethane acrylic acid and 0.1 part by weight of 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide at a high speed for 50 minutes, and then carrying out compression molding on the mixture to obtain a plate, wherein the compression molding pressure is 20MPa, and the temperature is 270 ℃.
The performance indexes of the plate are shown in table 1.
Example 5
Mixing 100 parts by weight of 600 ten thousand molecular weight ultrahigh molecular weight polyethylene, 4 parts by weight of 3 ten thousand molecular weight polyphenylene ether, 2 parts by weight of graphite with the average particle size of 10 microns, 3 parts by weight of methacrylic acid and 0.5 part by weight of 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide at a high speed for 50 minutes, and then carrying out compression molding on the mixture to obtain a plate, wherein the compression molding pressure is 25MPa, and the temperature is 270 ℃.
The performance indexes of the plate are shown in table 1.
Example 6
100 parts of 500 ten thousand molecular weight ultrahigh molecular weight polyethylene, 1 part of 5 ten thousand molecular weight polyphenyl ether, 8 parts of zinc oxide with the average grain diameter of 9 nanometers, 1 part of methacrylic acid and 0.3 part of hydrogen peroxide diisopropylbenzene are mixed at high speed according to the parts by weight for 30 minutes, and then the mixture is molded into plates, the molding pressure is 10MPa, and the temperature is 270 ℃.
The performance indexes of the plate are shown in table 1.
Example 7
Mixing 100 parts by weight of 300 ten thousand molecular weight ultrahigh molecular weight polyethylene, 5 parts by weight of 0.2 ten thousand molecular weight polyphenylene ether, 0.1 part by weight of silicon carbide with the average particle size of 250 nanometers, 5 parts by weight of methacrylic acid and 1 part by weight of hydrogen peroxide diisopropylbenzene at a high speed for 60 minutes, and then carrying out compression molding on the mixture to obtain a plate, wherein the compression molding pressure is 30MPa and the temperature is 280 ℃.
The performance indexes of the plate are shown in table 1.
Comparative example
100 parts of 1200 ten thousand molecular weight ultrahigh molecular weight polyethylene is molded into a plate according to the weight parts, the molding pressure is 30MPa, and the temperature is 280 ℃.
The performance indexes of the plate are shown in table 1.
TABLE 1
The present invention has been described in detail in order to enable those skilled in the art to understand the invention and to practice it, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.
Claims (10)
1. An ultra-high molecular weight polyethylene composition characterized by: the ultra-high molecular weight polyethylene composition comprises the following raw material components in parts by weight:
100 parts of ultrahigh molecular weight polyethylene;
0.01-5 parts of polyphenyl ether;
0.1-10 parts of a filler;
0.01-5 parts of a compatibilizer;
0.001-1 part of an initiator;
the viscosity average molecular weight of the polyphenyl ether is 0.2-10 ten thousand;
the compatibilizer is one or more of maleic anhydride, acrylic acid, methacrylic acid and polyurethane acrylic acid.
2. The ultra-high molecular weight polyethylene composition of claim 1, wherein: the viscosity average molecular weight of the ultrahigh molecular weight polyethylene is 300-1200 ten thousand.
3. The ultra-high molecular weight polyethylene composition of claim 1, wherein: the filler is one or more of silicon dioxide, calcium carbonate, graphene, graphite, molybdenum disulfide, silicon carbide and zinc oxide.
4. The ultra-high molecular weight polyethylene composition according to claim 1 or 3, characterized in that: the average particle size of the filler is 1 nanometer-10 micrometers.
5. The ultra-high molecular weight polyethylene composition of claim 1, wherein: the initiator is one or more of dicumyl peroxide, benzoyl peroxide, dicumyl hydroperoxide and di-tert-butyl peroxide.
6. The ultra-high molecular weight polyethylene composition of claim 5, wherein: the di-tert-butyl peroxide comprises 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide.
7. A process for the preparation of the ultra high molecular weight polyethylene composition according to any one of claims 1 to 6, characterized in that: and mixing the ultra-high molecular weight polyethylene, the polyphenyl ether, the filler, the compatibilizer and the initiator for 30-60 minutes according to the parts by weight to obtain the ultra-high molecular weight polyethylene composition.
8. A panel, characterized by: the plate is prepared by compression molding the ultra-high molecular weight polyethylene composition according to any one of claims 1 to 6.
9. A method of making the sheet of claim 8, wherein: the plate is prepared by compression molding the ultra-high molecular weight polyethylene composition as defined in any one of claims 1 to 6 at a temperature of 210 to 280 ℃ under a pressure of 10 to 30 MPa.
10. Use of the ultra high molecular weight polyethylene composition of any one of claims 1 to 6 or the sheet of claim 8 in bridge deck skateboards.
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| CN109233056B true CN109233056B (en) | 2021-04-23 |
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| CN115286859B (en) * | 2022-08-30 | 2023-08-08 | 中国科学院兰州化学物理研究所 | Preparation method of high-damping high-wear-resistance vibration-isolation support friction material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463156A (en) * | 2007-12-19 | 2009-06-24 | 上海化工研究院天地科技发展有限公司 | Superhigh molecular weight polyethylene material and preparation thereof |
| CN101475669A (en) * | 2008-11-28 | 2009-07-08 | 上海化工研究院 | Reinforced and antifriction ultra-high molecular weight polyethylene composite material |
| CN102432939A (en) * | 2011-11-07 | 2012-05-02 | 中国蓝星（集团）股份有限公司 | Antistatic flame-retardant ultra high molecular weight polyethylene composition and preparation method thereof |
| CN102911425A (en) * | 2012-11-21 | 2013-02-06 | 上海化工研究院 | Special material for extrusion-grade ultra-high molecular weight polyethylene pipe with high melt fluidity and preparation method thereof |
| CN105860225A (en) * | 2016-05-31 | 2016-08-17 | 镇江伟民新材料制品有限公司 | Preparation method of high-strength bridge bearing sliding plate for high-speed rails |
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- 2018-08-24 CN CN201810971133.1A patent/CN109233056B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463156A (en) * | 2007-12-19 | 2009-06-24 | 上海化工研究院天地科技发展有限公司 | Superhigh molecular weight polyethylene material and preparation thereof |
| CN101475669A (en) * | 2008-11-28 | 2009-07-08 | 上海化工研究院 | Reinforced and antifriction ultra-high molecular weight polyethylene composite material |
| CN102432939A (en) * | 2011-11-07 | 2012-05-02 | 中国蓝星（集团）股份有限公司 | Antistatic flame-retardant ultra high molecular weight polyethylene composition and preparation method thereof |
| CN102911425A (en) * | 2012-11-21 | 2013-02-06 | 上海化工研究院 | Special material for extrusion-grade ultra-high molecular weight polyethylene pipe with high melt fluidity and preparation method thereof |
| CN105860225A (en) * | 2016-05-31 | 2016-08-17 | 镇江伟民新材料制品有限公司 | Preparation method of high-strength bridge bearing sliding plate for high-speed rails |
Non-Patent Citations (1)
| Title |
|---|
| 聚苯醚/改性超高分子量聚乙烯共混物的制备及性能;吴倩 等;《高分子材料科学与工程》;20170324;第33卷(第3期);第78-83页 * |
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