CN102093709B - Polymer composite material - Google Patents
Polymer composite material Download PDFInfo
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- CN102093709B CN102093709B CN201110074063A CN201110074063A CN102093709B CN 102093709 B CN102093709 B CN 102093709B CN 201110074063 A CN201110074063 A CN 201110074063A CN 201110074063 A CN201110074063 A CN 201110074063A CN 102093709 B CN102093709 B CN 102093709B
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- Prior art keywords
- polymer composite
- graphite
- composite material
- engineered plastic
- mixing
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- 229920000642 polymer Polymers 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 22
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010439 graphite Substances 0.000 claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract 2
- 238000005491 wire drawing Methods 0.000 claims abstract 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 28
- 239000004033 plastic Substances 0.000 claims description 27
- 229920003023 plastic Polymers 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000005453 pelletization Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000004898 kneading Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 235000019628 coolness Nutrition 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000004566 building material Substances 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 229920006351 engineering plastic Polymers 0.000 abstract 2
- 230000032683 aging Effects 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 8
- 230000003245 working effect Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
Abstract
The invention discloses a polymer composite material for manufacturing belt conveyor carrier rollers. The formula of the polymer composite material comprises the following materials in percentage by weight: 50 to 80 percent of modified engineering plastic, 10 to 50 percent of magnesium oxide and 0.5 to 2.9 percent of graphite, wherein the modified engineering plastic is made by mixing nylon 6(PA6) and glass fiber according to a weight ratio of 3:1 to 6:1. The polymer composite material is prepared by mixing all materials according to a mixing ratio (weight percentage ratio), performing blending, wire drawing, water-tank cooling and granulating in a double-screw graduator, and drying. The belt conveyor carrier rollers made of the polymer composite material has the advantages of greatly prolonging the service life of the carrier rollers, along with simple manufacturing process, wear resistance, corrosion resistance, impact resistance, high strength, light weight, antistatic capability, aging resistance, fire resistance, low cost and wide application in metallurgic, mine, building material and thermal power generation industries and other industrials.
Description
Technical field
Patent of the present invention relates to polymeric material field.Be specially a kind of polymer composite that is used to make endless belt conveyor carrying roller and industrial abrasion-proof backing block.
Background technology
At present; All use endless belt conveyor to carry object in a large number in industries such as metallurgy, mine, building materials, harbour, harbour, thermal power generation; Carrying roller then is the vitals of endless belt conveyor, plays back-up belt and weight, guarantees that belt is along the steady convey materials of traffic direction.The carrying roller that uses at present is generally materials such as steel, polymer, rubber, electricity end, pottery and processes, and great majority are the single-component made.Wherein, the carrying roller quality that weldless steel tube is processed is heavy, not wear-resistant, erosion resistance is poor, fragile belt, and do not reach life far away in its work-ing life, generally can use 6000～8000 hours.Carrier roller has advantages such as wear-resistant, anticorrosive, but quality is heavy, it is crisp to be prone to, be inappropriate for large-scale popularization.With the carrying roller that single-component macromolecular material PA6, polythene material are processed, have light weight, wear-resistant, shock resistance, running noise low, but thermophile, temperature tolerance are relatively poor, wear resisting property is not as carrier roller.
In a word, the Use Limitation fruit is not ideal enough at the scene for the carrying roller of processing with above material, and ubiquity is short work-ing life, and therefore shortcomings such as maintenance cost height need a kind of comparatively ideal material be used to make carrying roller, to improve the equipment of endless belt conveyor.
Summary of the invention
The purpose of this invention is to provide a kind of high score matrix material; Manufacture carrying roller with this polymer composite; Have that manufacture craft is simple, wear-resistant, anticorrosive, shock resistance, intensity height, light weight, antistatic, anti-aging, fire-retardant, cost is low, can prolong the work-ing life of carrying roller greatly, so that be widely used in industries such as metallurgy, mine, building materials, thermal power generation.
The technical scheme that technical solution problem of the present invention is adopted is:
A kind of polymer composite, its prescription is: modified engineered plastic, Natural manganese dioxide, graphite.
The proportioning of material therefor is (weight percent): modified engineered plastic: 50～80%; Natural manganese dioxide: 10～50%; Graphite: 0.5～2.9%; Wherein modified engineered plastic by nylon 6 (PA6) and spun glass by 3～6: 1 part by weight is mixed and made into.
Described a kind of polymer composite is processed through following technology:
A; The nylon 6 (PA6) of the preparation technology of modified engineered plastic, method: with 3: 1～6: 1Wt% places the dual-screw pelletizer storage vat; Again with 3: 1～6: the 1Wt% spun glass places through wire feeding machine that dual-screw pelletizer is mixing to be advanced in the silk mouthful; At 190～250 ℃ of extrusion temperatures, rotating speed is that 45～620 rev/mins, vacuum kneading are extruded; Cool off through 50～80 ℃ long 3 meters tanks again after extruding; Through the dicing machine pelletizing is φ 2.5 * 4 particles, after vertical drier was promptly processed modified engineered plastic in dry 3～8 hours.
B; A kind of preparation technology of polymer composite, method: the modified engineered plastic that in high speed mixer, adds 50～80Wt% earlier; Add the Natural manganese dioxide of 10～50Wt% and the graphite of 0.5～2.9Wt% again; At normal temperatures; The high speed mixer rotating speed is 300～600 rev/mins, and the mixture that batch mixing obtained mixing in 0.5～2 hour places the dual-screw pelletizer storage vat with mixture; At 190～250 ℃ of extrusion temperatures, rotating speed is that 45～620 rev/mins, vacuum kneading are extruded; Again through 50～85 ℃ long 3 meters tank coolings, be φ 2.5 * 4 particles through the dicing machine pelletizing again after the cooling, after extruding after vertical drier was promptly processed a kind of polymer composite in dry 3～8 hours.
Described nylon 6 (PA6) is viscosity at 2.8～3.5 high visocity nylon 6 (PA6).
Described spun glass is the E spun glass.
Described Natural manganese dioxide purity 90～99.9%, granularity 150～500 orders, water content 0.2～1%.
Described graphite purity 90～99.9%, granularity 250～1000 orders, water content 0.05～1%.
Described a kind of polymer composite finished product, granularity φ 2.5 * 4 particles, water content 0.1～1%.
The modified engineered plastic that the present invention selects for use is as body material; Nylon in the modified engineered plastic (PA6) is one type of hemicrystalline, the superplasticity macromolecular material of repetition amide structure; Have good wear resistance, good toughness, physical strength height, the spun glass in the modified engineered plastic has elongation and thermal expansivity is little; The corrosion of the many media of ability; Do not burn, heat resistance is good being lower than under 250 ℃ the environment, spun glass in modified engineered plastic as toughener and play the wearability that improves PA6, the work-ing life of improving its rigidity, thermophile, prolongation goods.
The Natural manganese dioxide that the present invention uses uses as a kind of weighting agent, can increase viscosity, intensity, rigidity, the raising goods of polymer composite wear resisting property, reduce production costs greatly.The graphite that the present invention uses is to use as a kind of lubricant, in order to improve wear-resisting wiping, the polishing machine of body material.Compound graphite and modified engineered plastic, graphite can shift the engaging friction interface gradually and form the lubricant film that one deck hangs down shearing resistance in friction process, thereby the lubrication of playing effectively reduces coefficient of friction, improves rub resistance, polishing machine.
The present invention has following beneficial effect: because its material composition is reasonable in design, production process is simple, has practiced thrift production cost, and cost is lower.Have wear resistance, anticorrosive, shock resistance, intensity height, light weight, antistatic, anti-aging, fire-retardant; Therefore polymer composite of the present invention has extremely wide application prospect, and prolong more than 2 times the work-ing life of the work-ing life of its finished product than general single-component macromolecule material product.
Embodiment
Giving an actual example below describes the present invention, rather than the content of restriction invention.
Embodiment 1
A kind of polymer composite, this matrix material material therefor and material mixture ratio are (weight percent):
The materials proportioning
Modified engineered plastic 52
Natural manganese dioxide 45.2
Graphite 2.8
Described a kind of polymer composite is processed through following technology:
A; The preparation technology of modified engineered plastic, method: the nylon 6 (PA6) of 88.9Wt% is placed the dual-screw pelletizer storage vat; Again the 11.1Wt% spun glass is placed through wire feeding machine that dual-screw pelletizer is mixing to be advanced in the silk mouthful; At 220 ℃ of extrusion temperatures, rotating speed is that 460 rev/mins, vacuum kneading are extruded; Extrude after 80 ℃ long 3 meters tank coolings are φ 2.5 * 4 particles through the dicing machine pelletizing after the cooling, after vertical drier was promptly processed modified engineered plastic in dry 7 hours again.
B; A kind of preparation technology of polymer composite, method: the modified engineered plastic that in high speed mixer, adds 52Wt% earlier; Add the Natural manganese dioxide of 45.2Wt% and the graphite of 2.8Wt% again, at normal temperatures, the high speed mixer rotating speed is 440 rev/mins; The mixture that batch mixing obtained mixing in 1 hour; Mixture is placed the dual-screw pelletizer storage vat, is that 460 rev/mins, vacuum kneading are extruded at 220 ℃ of extrusion temperatures, rotating speed, extrudes after 80 ℃ long 3 meters tanks coolings; Be φ 2.5 * 4 particles through the dicing machine pelletizing again after the cooling, after vertical drier was promptly processed a kind of polymer composite in dry 7 hours.
Embodiment 2
A kind of polymer composite, this matrix material material therefor and material mixture ratio are (weight percent):
The materials proportioning
Modified engineered plastic 65
Natural manganese dioxide 32.6
Graphite 2.4
Described a kind of polymer composite is processed through following technology:
A; The preparation technology of modified engineered plastic, method: the nylon 6 (PA6) of 85.7Wt% is placed the dual-screw pelletizer storage vat; Again the 14.3Wt% spun glass is placed through wire feeding machine that dual-screw pelletizer is mixing to be advanced in the silk mouthful; At 220 ℃ of extrusion temperatures, rotating speed is that 460 rev/mins, vacuum kneading are extruded; Extrude after 80 ℃ long 3 meters tank coolings are φ 2.5 * 4 particles through the dicing machine pelletizing after the cooling, after vertical drier was promptly processed modified engineered plastic in dry 7 hours again.
B; A kind of preparation technology of polymer composite, method: the modified engineered plastic that in high speed mixer, adds 65Wt% earlier; Add the Natural manganese dioxide of 32.6Wt% and the graphite of 2.4Wt% again, at normal temperatures, the high speed mixer rotating speed is 440 rev/mins; The mixture that batch mixing obtained mixing in 1 hour; Mixture is placed the dual-screw pelletizer storage vat, is that 460 rev/mins, vacuum kneading are extruded at 220 ℃ of extrusion temperatures, rotating speed, extrudes after 80 ℃ long 3 meters tanks coolings; Be φ 2.5 * 4 particles through the dicing machine pelletizing again after the cooling, after vertical drier was promptly processed a kind of polymer composite in dry 7 hours.
Embodiment 3
A kind of polymer composite, this polymer composite material therefor and material mixture ratio are (weight percent):
The materials proportioning
Modified engineered plastic 78
Natural manganese dioxide 20
Graphite 2.0
Described a kind of polymer composite is processed through following technology:
A; The preparation technology of modified engineered plastic, method: the nylon 6 (PA6) of 80Wt% is placed the dual-screw pelletizer storage vat; Again the 20Wt% spun glass is placed through wire feeding machine that dual-screw pelletizer is mixing to be advanced in the silk mouthful; At 220 ℃ of extrusion temperatures, rotating speed is that 460 rev/mins, vacuum kneading are extruded; Extrude after 80 ℃ long 3 meters tank coolings are φ 2.5 * 4 particles through the dicing machine pelletizing after the cooling, after vertical drier was promptly processed modified engineered plastic in dry 7 hours again.
B; A kind of preparation technology of polymer composite, method: the modified engineered plastic that in high speed mixer, adds 78Wt% earlier; Add the Natural manganese dioxide of 20Wt% and the graphite of 2Wt% again, at normal temperatures, the high speed mixer rotating speed is 440 rev/mins; The mixture that batch mixing obtained mixing in 1 hour; Mixture is placed the dual-screw pelletizer storage vat, is that 460 rev/mins, vacuum kneading are extruded at 220 ℃ of extrusion temperatures, rotating speed, extrudes after 80 ℃ long 3 meters tanks coolings; Be φ 2.5 * 4 particles through the dicing machine pelletizing again after the cooling, after vertical drier was promptly processed a kind of polymer composite in dry 7 hours.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (1)
1. polymer composite, it is characterized in that: its prescription is: modified engineered plastic, Natural manganese dioxide, graphite; The material therefor mixture ratio by weight percent is: modified engineered plastic: 50～80%; Natural manganese dioxide: 10～50%; Graphite: 0.5～2.9%; The summation of the weight percent of above-mentioned three kinds of materials is 100%; Its concrete technical process is: the modified engineered plastic that in high speed mixer, adds 50～80wt% earlier; Add the Natural manganese dioxide of 10～50wt% and the graphite of 0.5～2.9wt% subsequently again; At normal temperatures; The high speed mixer rotating speed is 300-600 rev/min, and the mixture that batch mixing obtained mixing in 0.5～2 hour places the dual-screw pelletizer storage vat with mixture; At 190～250 ℃ of extrusion temperatures, rotating speed is that 45～620 rev/mins, vacuum kneading are extruded; Extrude after 50～80 ℃ long 3 meters tank coolings are φ 2.5 * 4 particles through the dicing machine pelletizing after the cooling, after vertical drier was promptly processed a kind of polymer composite in dry 3～8 hours again; Said modified engineered plastic is mixed by 3: 1～6: 1 part by weight by nylon 6 (PA6) and spun glass, and is mixing through dual-screw pelletizer, extrude wire drawing, tank cooling, pelletizing, drying and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110074063A CN102093709B (en) | 2011-03-25 | 2011-03-25 | Polymer composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110074063A CN102093709B (en) | 2011-03-25 | 2011-03-25 | Polymer composite material |
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| Publication Number | Publication Date |
|---|---|
| CN102093709A CN102093709A (en) | 2011-06-15 |
| CN102093709B true CN102093709B (en) | 2012-09-05 |
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| CN201110074063A Expired - Fee Related CN102093709B (en) | 2011-03-25 | 2011-03-25 | Polymer composite material |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242651A (en) * | 2013-05-21 | 2013-08-14 | 苏州旭光聚合物有限公司 | Reinforced and modified PA (Polyamide)6 composite material |
| 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 |
| CN111978636A (en) * | 2020-08-20 | 2020-11-24 | 河北瞻著机械设备有限公司 | Graphite fiber composite carrier roller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1810879A (en) * | 2005-11-07 | 2006-08-02 | 温州市华兴托辊制造有限公司 | Roller of composite polymer material |
| CN101423665A (en) * | 2008-12-03 | 2009-05-06 | 中南大学 | High performance polymer base composite material for support roller and preparation method |
| CN101875777A (en) * | 2009-04-29 | 2010-11-03 | 湖南省新化县映鸿科技有限公司 | Polymer-ceramic composite material |
-
2011
- 2011-03-25 CN CN201110074063A patent/CN102093709B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1810879A (en) * | 2005-11-07 | 2006-08-02 | 温州市华兴托辊制造有限公司 | Roller of composite polymer material |
| CN101423665A (en) * | 2008-12-03 | 2009-05-06 | 中南大学 | High performance polymer base composite material for support roller and preparation method |
| CN101875777A (en) * | 2009-04-29 | 2010-11-03 | 湖南省新化县映鸿科技有限公司 | Polymer-ceramic composite material |
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| CN102093709A (en) | 2011-06-15 |
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