CN108467529A - A kind of composite polyethylene material and its preparation method and application - Google Patents
A kind of composite polyethylene material and its preparation method and application Download PDFInfo
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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 present invention relates to a kind of composite polyethylene materials and its preparation method and application, which is characterized in that it is made of the raw material of following weight：50~95 parts of ultra-high molecular weight polyethylene, 5~50 parts of high density polyethylene (HDPE), 5~40 parts of wear resistant filler, 1~5 part of flow ability modifying agent, preparation method is that mixing machine is added after mixing in ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and wear resistant filler, flow ability modifying agent is added, it is mixed at 150~160 DEG C, then it discharges after being kneaded 10~15 minutes at 195~210 DEG C through double roller plastic-making device, pellet will be crushed again to squeeze out and be molded, you can.Moderate with hardness, toughness is moderate, the excellent feature of wearability, improves the operating rate of equipment, reduces operating cost, promotes economic benefit, is suitble to mine carrier roller of belt conveyer crust to prepare and uses, could be applicable to the place of other wear-resistant protections.
Description
Technical field
The present invention relates to polymeric material fields, and mine carrier roller of belt conveyer crust is used to prepare more particularly, to one kind
Composite polyethylene material and preparation method thereof.
Background technology
Carrying roller is one of the primary structure of mine ribbon conveyer, and function is support tape and weight of material, uses number
Amount is more, and it is high to account for complete machine cost ratio.Conveyer can safety and stablization operation, directly by the shadow of carrying roller quality
It rings.Conventional idler using steel pipe housing, metal bearing and bearing block, the structure of metal shaft, meanwhile, when steel pipe Idler processing method is difficult
Ensure that barrel tubing both ends machined surface is concentric, assembling rear axle is relatively difficult to control on barrel tubing center line, causes carrying roller two
End bearing position is not coaxial, and bearing radial force is uneven when carrying roller being caused to work, and accelerates abrasion, the damage of both sides sealing, dust
It causes bearing operation unsmooth after, finally results in bearing damage, along with bearing operation is unsmooth to during bearing damage, again
Cause barrel to be leaked by belt abrasion, wear down, mill, and scratches belt.Generally, the service life of the carrying roller of this metal structure compared with
It is short, if serious wear needs to overhaul or update, it is necessary to keep conveyer out of service, directly affect the life of mine haulage system
Produce efficiency.Therefore, mitigate carrying roller weight, extend the service life of carrying roller, while the structure of carrying roller being made to be optimized, band can be improved
The running efficiency of formula conveyer.One of the method for mitigating carrying roller weight is that the carrying roller crust of metal is replaced using high molecular material.
Currently, the studied exploitation of the carrying roller of high molecular material crust, for example, carrier roller made of urea formaldehyde resin《Engineering plastics》2001,
29,4：30.；Phenolic resin carrying roller and nylon carrying roller《Enterprise's technology development》2015,34 (24)：111-112.；Super high molecular weight
Polyethylene《Mining industry is equipped》2014,8,114., it is light weight, corrosion-resistant, more wear-resisting, anti-quiet compared with traditional metal roller
Good electrical property, service life are long, it is not easy to wear conveyer belt.In above-mentioned high molecular material, the support of ultra-high molecular weight polyethylene
Roller performance is best, and service life extends 3~5 times than metal roller.Although ultra-high molecular weight polyethylene has other engineering plastics
The excellent performances such as unrivaled wear-resistant, impact resistance, chemical-resistant resistance, self-lubricating and biocompatibility, but simultaneously
There is insufficient formability, hardness is low, abrasion resistance properties are poor, fusing point is high, extremely difficult processing the problem of.The especially belt conveying in mine
Machine carrying roller carries adhesive tape and the weight of material is big, therefore serious wear, seeks a kind of band moreover, most of belong to abrasive wear
Formula conveyer carrying roller crust is problem anxious to be resolved with ultra-high molecular weight polyethylene composite material.
Invention content
First of the present invention is designed to provide a kind of composite polyethylene material.
Second object of the present invention is to provide a kind of preparation method of composite polyethylene material.
Third object of the present invention is to provide a kind of application of composite polyethylene material.
The purpose of the present invention is what is realized by following technical proposals：
The composite polyethylene material of the present invention, which is characterized in that it is made of the raw material of following weight：
50~95 parts of ultra-high molecular weight polyethylene,
5~50 parts of high density polyethylene (HDPE),
5~40 parts of wear resistant filler,
1~5 part of flow ability modifying agent,
Wherein the molecular weight of ultra-high molecular weight polyethylene is 150 ten thousand to 250 ten thousand, and the molecular weight of high density polyethylene (HDPE) is 5 ten thousand to 15
Ten thousand, wear resistant filler is a variety of in silica, silicon nitride, silicon carbide, alundum (Al2O3), calcium carbonate（I.e. two kinds and two kinds with
On）, flow ability modifying agent is a variety of in stearic acid, polyethylene wax, hyper-branched polyester, low-density oxidic polyethylene（I.e. two kinds and
It is two or more）.
Further, composite polyethylene material of the present invention, which is characterized in that it is by following weight
Raw material forms：
70~90 parts of ultra-high molecular weight polyethylene,
10~30 parts of high density polyethylene (HDPE),
5~30 parts of wear resistant filler,
2~4 parts of flow ability modifying agent,
Wherein the molecular weight of ultra-high molecular weight polyethylene is 180 ten thousand to 220 ten thousand, and the molecular weight of high density polyethylene (HDPE) is 8 ten thousand to 12
Ten thousand, wear resistant filler is a variety of, the grain size of wear resistant filler in silica, silicon nitride, silicon carbide, alundum (Al2O3), calcium carbonate
For the mesh of 120 mesh ~ 800, flow ability modifying agent is a variety of in stearic acid, polyethylene wax, hyper-branched polyester, low-density oxidic polyethylene.
Composite polyethylene material preparation method of the present invention, it is characterised in that steps are as follows：
Wing mixer is added according to weight in ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and wear resistant filler,
The speed of blade rotation is 100~150m/s, makes material after mixing, adds flow ability modifying agent according still further to weight
Enter, be uniformly mixed at 150~160 DEG C, discharge after being then kneaded 10~15 minutes at 195~210 DEG C through double roller plastic-making device,
Finally, discharging is squeezed out and the method for injection molding carries out thermoforming processing.
The application of composite polyethylene material of the present invention, the crust as carrier roller of belt conveyer.
The composite polyethylene material feature of the present invention is, in order to further increase abrasion resistance of ultra-high molecular mass polyethylene,
Improve its processing performance, it is modified, flow processability is enable to improve, using wear resistant filler, improves wear-resisting property, not only
Performance is improved, and greatly reduces cost, in the good wearability for ensureing ultra-high molecular weight polyethylene and can be resisted
Under the premise of impact property, improve the mobility of ultra-high molecular weight polyethylene with high density polyethylene (HDPE), then with flow ability modifying agent into one
Step improves its mobility, while adding wear resistant filler, improves hardness, keeps shock resistance, preferably improves its abrasion resistance
Can, the features such as hardness is moderate, and toughness is moderate, and wearability is excellent are made it have, the operating rate of equipment is improved, reduce operating cost, are promoted
Economic benefit is suitble to mine carrier roller of belt conveyer crust to prepare and uses, meanwhile, it could be applicable to the place of other wear-resistant protections.
Specific implementation mode
Following embodiment is only used for that the present invention is explained, and is not construed as limiting the scope of the claims restriction,
Other alternative means that those skilled in the art are contemplated that according to description, should all be in the protection of the claims in the present invention
Within the scope of.
With the mechanical property of composite material in the embodiment of patent of the present invention, such as tensile strength, impact strength, and melting
Index characterizes processing performance, with the material loss amount caused by wearing, that is, wears quality, to characterize the wear-resisting property of material.
Embodiment 1：It is made of following raw materials in part by weight：
90 parts of 1,800,000 ultra-high molecular weight polyethylene of molecular weight,
10 parts of 100,000 high density polyethylene (HDPE) of molecular weight,
1.5 parts of hyper-branched polyester,
1.5 parts of stearic acid,
2.5 parts of silicon nitride,
2.5 parts of silicon carbide.
The source of the various raw materials：
Ultra-high molecular weight polyethylene, trade mark XH-802, Jiujiang new material Co., Ltd of Chun Xingzhong sections,；High density polyethylene (HDPE), the trade mark
2200J, Daqing petrochemical company；Hyper-branched polyester, trade mark C102, Suzhou Hai Bo Science and Technology Ltd.s；Stearic acid, the trade mark 1801,
Bright road Chemical Co., Ltd.；Silicon nitride and silicon carbide, 200 mesh, grain size are averaged 40nm, by Hefei Kai Er nanometers of energy science and technology share
Co., Ltd provides.
Preparation method：By ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and silicon nitride, silicon carbide according to the weight
Wing mixer is added in part proportioning, and the speed of blade rotation is 100~150m/s, makes material after mixing, according still further to institute
Hyper-branched polyester is added the weight stated, and is mixed at 150 DEG C, is then kneaded 10 at 200 DEG C through double roller plastic-making device
It discharges after minute, finally, pellet will be crushed and squeeze out and be molded progress thermoforming processing, be made.
The tensile strength for preparing composite polyethylene material test bars is 25MPa, impact strength 83kJ/m2, melting refers to
Number is 0.15g/10min, abrasion quality 0.0012g.
Melt index test condition：5kg, 190 DEG C.
Embodiment 2：It is made of following raw materials in part by weight：
80 parts of 1,500,000 ultra-high molecular weight polyethylene of molecular weight,
20 parts of 100,000 high density polyethylene (HDPE) of molecular weight,
0.5 part of polyethylene wax,
1.5 parts of stearic acid,
8 parts of alundum (Al2O3),
2 parts of calcium carbonate,
The source of the various raw materials：
Polyethylene wax, trade mark LP0020P, Heng Tai Chemical Co., Ltd.s；Alundum (Al2O3), 300 mesh, Zibo Hua Zheng scientific ＆ technical corporation；
Calcium carbonate, Qingdao Hai great chemical companies, remaining raw material are same as Example 1.
Preparation method：By ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and alundum (Al2O3), calcium carbonate according to described
Wing mixer is added in weight, and the speed of blade rotation is 100~150m/s, makes material after mixing, then press
Stearic acid, polyethylene wax are added according to the weight, mixed at 150 DEG C, then through double roller plastic-making device at 200 DEG C
Lower mixing discharges after ten minutes, finally, will crush pellet and squeeze out and be molded progress thermoforming processing, and be made.
The tensile strength for preparing composite polyethylene material test bars is 23MPa, impact strength 65kJ/m2, melting refers to
Number is 0.03g/10min, abrasion quality 0.0020g.
Melt index test condition：6kg, 190 DEG C.
Embodiment 3：It is made of following raw materials in part by weight：
75 parts of 1,800,000 ultra-high molecular weight polyethylene of molecular weight,
25 parts of 150,000 high density polyethylene (HDPE) of molecular weight,
0.5 part of polyethylene wax,
1.5 parts of hyper-branched polyester,
1.5 parts of stearic acid,
7 parts of alundum (Al2O3),
1 part of silicon carbide,
2 parts of calcium carbonate,
The source of the various raw materials：
It is identical as embodiment 1,2.
Preparation method：Ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and alundum (Al2O3), silicon carbide, calcium carbonate are pressed
Wing mixer is added according to the weight, the speed of blade rotation is 100~150m/s, and material is made to be uniformly mixed
Afterwards, stearic acid, polyethylene wax, hyper-branched polyester are added according still further to the weight, are mixed at 160 DEG C, then
It is kneaded at 205 DEG C through double roller plastic-making device and discharges after ten minutes, finally, pellet extrusion will be crushed and injection molding carries out thermoforming and adds
Work is made.
The tensile strength for preparing composite polyethylene material test bars is 25MPa, impact strength 72kJ/m2, melting refers to
Number is 0.02g/10min, abrasion quality 0.0018g.
Melt index test condition：5kg, 190 DEG C.
Embodiment 4：It is made of following raw materials in part by weight：
80 parts of 1,500,000 ultra-high molecular weight polyethylene of molecular weight,
20 parts of 100,000 high density polyethylene (HDPE) of molecular weight,
0.5 part of polyethylene wax,
1.5 parts of low-density oxidic polyethylene,
2.0 parts of stearic acid,
5 parts of silica 1,
5 parts of alundum (Al2O3)
10 parts of calcium carbonate,
The source of the various raw materials：
It is identical as embodiment 1,2.
Preparation method：By ultra-high molecular weight polyethylene, high density polyethylene (HDPE) and silica, alundum (Al2O3), calcium carbonate
Wing mixer is added according to the weight, the speed of blade rotation is 100~150m/s, keeps material mixing equal
After even, stearic acid, polyethylene wax are added according still further to the weight, is mixed at 150 DEG C, is then refined and mould through double roller
Machine is kneaded at 200 DEG C and discharges after ten minutes, finally, will crush pellet and squeeze out and be molded progress thermoforming processing, and be made.
The tensile strength for preparing composite polyethylene material test bars is 20MPa, impact strength 63kJ/m2, melting refers to
Number is 0.03g/10min, abrasion quality 0.0020g.
Melt index test condition：6kg, 190 DEG C.
The present invention composite polyethylene material feature be：Wear resistant filler is using economic and practical silica, silicon nitride, carbon
Two kinds and two or more a variety of carry out compatibilities in SiClx, alundum (Al2O3), calcium carbonate, flow ability modifying agent are stearic acid, poly- second
Two kinds and two or more a variety of carry out compatibilities, that is, ensure supra polymer in alkene wax, hyper-branched polyester, low-density oxidic polyethylene
The wear-resisting property of the wear-resisting property of weight northylen, composite polyethylene material of the invention is excellent, abrasion quality 0.0020g with
Under, it is better than and tin bronze particle reinforced material（It is 0.0702g to wear quality）, also superior to more than molecular weight polyethylene（Abrasion refer to
Number is 1, ultrahigh molecular weight polyethylene abrasion-proof experiment and application, metal mine, 2008,7：112）, and the poly- second of the present invention
Alkene composite material ensures its processing performance again, and takes into account economic factor, reduces cost, the composite material that above-mentioned formula obtains adds
Work molding is easy, and is easy to large-scale production, and price is suitable with traditional metal roller.
Claims (4)
1. a kind of composite polyethylene material, which is characterized in that it is made of the raw material of following weight：
50~95 parts of ultra-high molecular weight polyethylene,
5~50 parts of high density polyethylene (HDPE),
5~40 parts of wear resistant filler,
1~5 part of flow ability modifying agent,
Wherein the molecular weight of ultra-high molecular weight polyethylene is 150 ten thousand to 250 ten thousand, and the molecular weight of high density polyethylene (HDPE) is 5 ten thousand to 15
Ten thousand, wear resistant filler is a variety of in silica, silicon nitride, silicon carbide, alundum (Al2O3), calcium carbonate, and flow ability modifying agent is hard
It is a variety of in resin acid, polyethylene wax, hyper-branched polyester, low-density oxidic polyethylene.
2. composite polyethylene material according to claim 1, which is characterized in that it is by the raw material of following weight
Composition：
70~90 parts of ultra-high molecular weight polyethylene,
10~30 parts of high density polyethylene (HDPE),
5~30 parts of wear resistant filler,
2~4 parts of flow ability modifying agent,
Wherein the molecular weight of ultra-high molecular weight polyethylene is 180 ten thousand to 220 ten thousand, and the molecular weight of high density polyethylene (HDPE) is 8 ten thousand to 12
Ten thousand, wear resistant filler is a variety of, the grain size of wear resistant filler in silica, silicon nitride, silicon carbide, alundum (Al2O3), calcium carbonate
It is the mesh of 120 mesh ~ 800, flow ability modifying agent is more in stearic acid, polyethylene wax, hyper-branched polyester, low-density oxidic polyethylene
Kind.
3. a kind of composite polyethylene material preparation method as claimed in claim 1 or 2, it is characterised in that steps are as follows：By superelevation
Wing mixer is added according to weight in molecular weight polyethylene, high density polyethylene (HDPE) and wear resistant filler, blade rotation
Speed is 100~150m/s, makes material after mixing, flow ability modifying agent is added according still further to weight, 150~
It is uniformly mixed at 160 DEG C, discharges after being then kneaded 10~15 minutes at 195~210 DEG C through double roller plastic-making device, finally, will go out
Material squeezes out and the method for injection molding carries out thermoforming processing.
4. a kind of application of composite polyethylene material as claimed in claim 1 or 2, it is characterised in that as carrier roller of belt conveyer
Crust.
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| CN201810187808.3A CN108467529A (en) | 2018-03-07 | 2018-03-07 | A kind of composite polyethylene material and its preparation method and application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716583A (en) * | 2020-06-29 | 2020-09-29 | 四川大学 | High-barrier high-strength polyethylene material and preparation method thereof |
| CN112521674A (en) * | 2020-11-24 | 2021-03-19 | 胜利新大新材料股份有限公司 | High-temperature-resistant ultrahigh molecular weight polyethylene composite material, pipe and preparation method thereof |
| CN112961419A (en) * | 2021-02-08 | 2021-06-15 | 南通第六元素材料科技有限公司 | Flame-retardant wear-resistant high-density polyethylene composite material for carrier roller and preparation method thereof |
| CN112961420A (en) * | 2021-02-08 | 2021-06-15 | 南通第六元素材料科技有限公司 | Graphene modified high-density polyethylene composite material for carrier roller and preparation method thereof |
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2018
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| CN106317547A (en) * | 2015-06-30 | 2017-01-11 | 中国石油化工股份有限公司 | Extrusion molded ultra-high molecular weight polyethylene composition and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716583A (en) * | 2020-06-29 | 2020-09-29 | 四川大学 | High-barrier high-strength polyethylene material and preparation method thereof |
| CN111716583B (en) * | 2020-06-29 | 2021-04-23 | 四川大学 | High-barrier high-strength polyethylene material and preparation method thereof |
| CN112521674A (en) * | 2020-11-24 | 2021-03-19 | 胜利新大新材料股份有限公司 | High-temperature-resistant ultrahigh molecular weight polyethylene composite material, pipe and preparation method thereof |
| CN112961419A (en) * | 2021-02-08 | 2021-06-15 | 南通第六元素材料科技有限公司 | Flame-retardant wear-resistant high-density polyethylene composite material for carrier roller and preparation method thereof |
| CN112961420A (en) * | 2021-02-08 | 2021-06-15 | 南通第六元素材料科技有限公司 | Graphene modified high-density polyethylene composite material for carrier roller and preparation method thereof |
| CN112961420B (en) * | 2021-02-08 | 2022-12-16 | 南通第六元素材料科技有限公司 | Graphene modified high-density polyethylene composite material for carrier roller and preparation method thereof |
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Application publication date: 20180831 |