CN104945720B - A kind of great friction coefficient wearing composite material and preparation method thereof - Google Patents
A kind of great friction coefficient wearing composite material and preparation method thereof Download PDFInfo
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- CN104945720B CN104945720B CN201510440396.6A CN201510440396A CN104945720B CN 104945720 B CN104945720 B CN 104945720B CN 201510440396 A CN201510440396 A CN 201510440396A CN 104945720 B CN104945720 B CN 104945720B
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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
- 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
- C08L2205/03—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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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 belongs to high-abrasive material technical field, a kind of great friction coefficient wearing composite material and preparation method thereof is disclosed.It is mainly characterized in that：Raw material is 10-30 parts by weight high density polyethylene (HDPE)s, 30-50 parts by weight ultra-high molecular weight polyethylenes, 10-20 parts by weight crosslinking rubber powder, 0.1-0.5 parts by weight antioxidant 1010,5-20 parts by weight of inorganic powders, 1-5 parts by weight of carbon black per.The great friction coefficient wearing composite material that the present invention is provided, each group lease making mixer mixing is agglomerating, again through compression molding, the machinability, the wearability of ultra-high molecular weight polyethylene, the great friction coefficient of crosslinking rubber powder of high density polyethylene (HDPE) is made full use of to obtain with the coefficient of kinetic friction is high, wearability is good and has the composite of higher-strength.Great friction coefficient wearing composite material is completed using banburying process, leftover pieces recoverable, environmental protection.
Description
Technical field
The invention belongs to the high friction system used in high-abrasive material technical field, more particularly to a kind of bridge seismic isolation device
Number wearing composite material and preparation method thereof.
Background technology
Shock insulation, for word, exactly separates the influence of earthquake.Its essence and purpose are exactly by structure with that may cause brokenly
Bad ground motion is separated as far as possible.Damping, for word, exactly reduces seismic energy.Its essence and purpose are exactly
Under middle shake, big shake and severe earthquake action, dissipative cell takes the lead in entering power consumption working condition, produces larger damping, a large amount of to dissipate
The energy of earthquake in input structure, the dynamic response of rapid attenuating structure, and agent structure occurs without obvious inelastic deformation,
So that it is guaranteed that security of the structure in middle shake, big shake and macroseism and normally using.
At present in the country's science of bridge building vibration absorption and isolation support applied be typically all realized by setting a sliding layer every
Shake, but existing slip layer material its coefficient of kinetic friction on the premise of wearability is met is generally less than 0.008, therefore use this
The vibration absorption and isolation support frictional damping very little of class material, generally requires to set other damping units to increase damping and energy dissipation capacity,
Or increase shock insulation displacement reduces earthquake dynamic response to increase the shock insulation cycle.Its physical dimension is all very big, and it is complicated into
This height, it is difficult to be widely applied.
The content of the invention
The invention solves the problems that first technical problem be just to provide that a kind of wearability is good, the coefficient of kinetic friction is high, with compared with
The great friction coefficient wearing composite material of high intensity.
In order to solve the above technical problems, the technical solution adopted by the present invention, raw material is：
The parts by weight of high density polyethylene (HDPE) 10-30
The parts by weight of ultra-high molecular weight polyethylene 30-50
It is crosslinked the parts by weight of rubber powder 10-20
The parts by weight of antioxidant 1010 0.1-0.5
The parts by weight of inorganic particle 5-20
The parts by weight of carbon black 1-5.
Its additional technical feature is：Described high density polyethylene (HDPE) is tubing level；
The molecular weight of the ultra-high molecular weight polyethylene is more than 6,000,000；
The molecular weight of the ultra-high molecular weight polyethylene is 9,000,000；
Described crosslinking rubber powder is rubber regeneration rubber powder, the mesh of particle diameter 40-200；
Described rubber regeneration rubber powder is automobile tire rubber powder, the mesh of particle diameter 80；
Described inorganic particle is one or more of mixing in calcium carbonate, talcum powder, wollastonite, kaolin, graphite
Thing.
The invention solves the problems that second technical problem be just to provide a kind of preparation of great friction coefficient wearing composite material
Method.
In order to solve the above technical problems, the technical solution adopted by the present invention comprises the steps：
Step one
By 10-30 parts by weight high density polyethylene (HDPE)s, 30-50 parts by weight ultra-high molecular weight polyethylenes, 10-20 parts by weight
Rubber powder, 0.1-0.5 parts by weight antioxidant 1010,5-20 parts by weight of inorganic powders, 1-5 parts by weight of carbon black per are crosslinked in mixing
To be stirred under 900-1200 revs/min, normal temperature 8 minutes in machine, then add in banbury, the banburying 8-15 at 175-195 DEG C
Minute obtains a kind of bulk polymer composite body；
Step 2
The bulk polymer composite body obtained in step one is put into 180-200 DEG C of moulds while hot and is molded 10-30 points
Clock, then cooling and shaping.
The great friction coefficient wearing composite material that the present invention is provided, obtained great friction coefficient wear-resistant slide plate not only wearability
Good, line rate of wear is less than or equal to 20 μm/km, and the coefficient of kinetic friction is high, and the coefficient of kinetic friction is 0.03 ~ 0.05, also with higher
Intensity, tensile strength is more than or equal to 25Mpa, and compressive ultimate strength is more than or equal to 180MPa.Great friction coefficient wearing composite material
Completed using banburying process, leftover pieces recoverable, environmental protection.Wherein, high density polyethylene (HDPE) is tubing level, with weathering
The features such as good, resisting environmental stress and cracking of property is good, the processing characteristics that its main function has been provided.Ultra-high molecular weight polyethylene molecule
Amount is general more than 6,000,000, and preferably 9,000,000, mainly improve material wear ability.Crosslinking rubber powder refers mainly to rubber regeneration glue
Powder, preferably automobile tire rubber powder, particle diameter 40-200 mesh, 80 mesh preferably, it adds main raising material friction coefficient.Nothing
Machine powder refers to one or more of mixtures of calcium carbonate, talcum powder, wollastonite, kaolin, graphite, and it act as improving resistance to
Performance is ground, while reducing cost.
Embodiment
Further is made to great friction coefficient wearing composite material of the present invention and preparation method thereof below by specific embodiment
Describe in detail.
Embodiment 1
The preparation method of great friction coefficient wearing composite material of the present invention comprises the steps：
Step one
By 10 parts by weight high density polyethylene (HDPE)s, 30 parts by weight ultra-high molecular weight polyethylenes, 10 parts by weight crosslinking rubber powder,
0.1 parts by weight antioxidant 1010,5 parts by weight of inorganic powders, 1 parts by weight of carbon black per are in mixer to be stirred under 900 revs/min, normal temperature
Mix 8 minutes, then add in banbury, banburying obtains a kind of bulk polymer composite body for 8 minutes at 175 DEG C；
Step 2
The bulk polymer composite body obtained in step one is put into 180 DEG C of moulds while hot and is molded 10 minutes, Ran Houleng
But shape.
Embodiment 2
The preparation method of great friction coefficient wearing composite material of the present invention comprises the steps：
Step one
By 20 parts by weight high density polyethylene (HDPE)s, 40 parts by weight ultra-high molecular weight polyethylenes, 15 parts by weight crosslinking rubber powder,
0.3 parts by weight antioxidant 1010,12.5 parts by weight of inorganic powders, 3 parts by weight of carbon black per are in mixer with 1050 revs/min, normal temperature
Lower stirring 8 minutes, is then added in banbury, banburying obtains a kind of bulk polymer composite body for 11.5 minutes at 185 DEG C；
Step 2
The bulk polymer composite body obtained in step one is put into 190 DEG C of moulds while hot and is molded 20 minutes, Ran Houleng
But shape.
Embodiment 3
The preparation method of great friction coefficient wearing composite material of the present invention comprises the steps：
Step one
By 30 parts by weight high density polyethylene (HDPE)s, 50 parts by weight ultra-high molecular weight polyethylenes, 20 parts by weight crosslinking rubber powder,
0.5 parts by weight antioxidant 1010,20 parts by weight of inorganic powders, 5 parts by weight of carbon black per are in mixer with 1200 revs/min, normal temperature
Stirring 8 minutes, is then added in banbury, banburying obtains a kind of bulk polymer composite body for 15 minutes at 195 DEG C；
Step 2
The bulk polymer composite body obtained in step one is put into 200 DEG C of moulds while hot and is molded 30 minutes, Ran Houleng
But shape.
Embodiment 4
The preparation method of great friction coefficient wearing composite material of the present invention comprises the steps：
Step one
By 30 parts by weight high density polyethylene (HDPE)s, 50 parts by weight ultra-high molecular weight polyethylenes, 20 parts by weight crosslinking rubber powder,
0.2 parts by weight antioxidant 1010,10 parts by weight wollastonites, 2.5 parts by weight of carbon black per are in mixer with 1000 revs/min, normal temperature
Stirring 8 minutes, is then added in banbury, banburying obtains a kind of bulk polymer composite body for 10 minutes at 200 DEG C；
Step 2
The bulk polymer composite body obtained in step one is put into 185 DEG C of moulds while hot and is molded 20 minutes, Ran Houleng
But shape, that is, obtain the coefficient of kinetic friction 0.03,10 μm/km of line rate of wear great friction coefficient wear-resistant slide plate.
Embodiment 5
The preparation method of great friction coefficient wearing composite material of the present invention comprises the steps：
Step one
By 10 parts by weight high density polyethylene (HDPE)s, 30 parts by weight ultra-high molecular weight polyethylenes, 20 parts by weight crosslinking rubber powder,
0.2 parts by weight antioxidant 1010,20 parts by weight wollastonites, 2.5 parts by weight of carbon black per are in mixer with 1100 revs/min, normal temperature
Stirring 8 minutes, is then added in banbury, banburying obtains a kind of bulk polymer composite body for 15 minutes at 190 DEG C；
Step 2
The bulk polymer composite body obtained in step one is put into 190 DEG C of moulds while hot and is molded 30 minutes, Ran Houleng
But shape, that is, obtain the coefficient of kinetic friction 0.04,15 μm/km of line rate of wear great friction coefficient wear-resistant slide plate.
Embodiment 6
Step one
By 20 parts by weight high density polyethylene (HDPE)s, 30 parts by weight ultra-high molecular weight polyethylenes, 20 parts by weight crosslinking rubber powder,
0.2 parts by weight antioxidant 1010,10 parts by weight wollastonites, 2.5 parts by weight of carbon black per are in mixer to be stirred under 900 revs/min, normal temperature
Mix 8 minutes, then add in banbury, banburying obtains a kind of bulk polymer composite body for 8 minutes at 180 DEG C；
Step 2
The bulk polymer composite body obtained in step one is put into 200 DEG C of moulds while hot and is molded 10 minutes, Ran Houleng
But shape, that is, obtain the coefficient of kinetic friction 0.05,20 μm/km of line rate of wear great friction coefficient wear-resistant slide plate.
Great friction coefficient wearing composite material specific performance index such as table 1 of the present invention：
Table 1
A kind of great friction coefficient wearing composite material that the present invention is provided, is not limited only to above-described embodiment, it is described above only
For presently preferred embodiments of the present invention, it is not intended to limit the invention, it is all to be made in the spirit and principles in the present invention etc
Any modifications, equivalent substitutions and improvements etc., should be included in the scope of the protection.
Claims (4)
1. a kind of great friction coefficient wearing composite material, it is characterised in that raw material is：
The parts by weight of high density polyethylene (HDPE) 10-30
The parts by weight of ultra-high molecular weight polyethylene 30-50
It is crosslinked the parts by weight of rubber powder 10-20
The parts by weight of antioxidant 1010 0.1-0.5
The parts by weight of inorganic particle 5-20
The parts by weight of carbon black 1-5
Described high density polyethylene (HDPE) is tubing level；
The molecular weight of the ultra-high molecular weight polyethylene is more than 6,000,000；
Described crosslinking rubber powder is rubber regeneration rubber powder, the mesh of particle diameter 40-200；
Described inorganic particle is one or more of mixtures in calcium carbonate, talcum powder, wollastonite, kaolin, graphite.
2. a kind of great friction coefficient wearing composite material according to claim 1, it is characterised in that：The super high molecular weight
The molecular weight of polyethylene is 9,000,000.
3. a kind of great friction coefficient wearing composite material according to claim 1, it is characterised in that：Described rubber regeneration
Rubber powder is automobile tire rubber powder, the mesh of particle diameter 80.
4. the preparation method of a kind of great friction coefficient wearing composite material described in claim 1, it is characterised in that including following
Step：
Step one
By 10-30 parts by weight high density polyethylene (HDPE)s, 30-50 parts by weight ultra-high molecular weight polyethylenes, the crosslinking of 10-20 parts by weight
Rubber powder, 0.1-0.5 parts by weight antioxidant 1010,5-20 parts by weight of inorganic powders, 1-5 parts by weight of carbon black per are in mixer
To be stirred under 900-1200 revs/min, normal temperature 8 minutes, then add in banbury, the banburying 8-15 minutes at 175-195 DEG C
Obtain a kind of bulk polymer composite body；
Step 2
The bulk polymer composite body obtained in step one is put into molding 10-30 minutes in 180-200 DEG C of moulds while hot, so
Cooling and shaping afterwards.
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| CN201510440396.6A CN104945720B (en) | 2015-07-24 | 2015-07-24 | A kind of great friction coefficient wearing composite material and preparation method thereof |
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| CN201510440396.6A CN104945720B (en) | 2015-07-24 | 2015-07-24 | A kind of great friction coefficient wearing composite material and preparation method thereof |
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| CN104945720B true CN104945720B (en) | 2017-09-29 |
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| CN105670084A (en) * | 2016-04-12 | 2016-06-15 | 苏州甫众塑胶有限公司 | Light wear-resisting plastic material and preparing method thereof |
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| CN100441626C (en) * | 2001-04-18 | 2008-12-10 | 中国石油化工股份有限公司 | High-toughness polypropylene plastics and its preparing process |
| CN1966558A (en) * | 2006-11-09 | 2007-05-23 | 上海清远管业科技有限公司 | Protective material dedicated for binary wall twisting and pipe reinforcement and its preparation method |
| CN101538385A (en) * | 2008-03-19 | 2009-09-23 | 洛阳双瑞特钢科技有限公司 | Ultra high molecular weight polyethylene low-resistance wear-resistance support friction pair material and preparation thereof |
| CN101333316A (en) * | 2008-07-22 | 2008-12-31 | 株洲时代新材料科技股份有限公司 | Material special for bridge bearing slipping wear plate and method for preparing same |
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Address after: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee after: Zhongyu Tiexin Transportation Technology Co.,Ltd. Address before: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee before: HENGSHUI ZHONGTIEJIAN ENGNIEERING RUBBER Co.,Ltd. |
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