CN103073885A - Nylon composition for wind-blown sand spinning sand filter and preparation method thereof - Google Patents
Nylon composition for wind-blown sand spinning sand filter and preparation method thereof Download PDFInfo
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- CN103073885A CN103073885A CN2012104029512A CN201210402951A CN103073885A CN 103073885 A CN103073885 A CN 103073885A CN 2012104029512 A CN2012104029512 A CN 2012104029512A CN 201210402951 A CN201210402951 A CN 201210402951A CN 103073885 A CN103073885 A CN 103073885A
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- nylon
- sand filter
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- dust storm
- spin
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a nylon composition for wind-blown sand spinning sand filter and a preparation method thereof. The nylon composition is prepared from the following raw materials by mass ratio: 40-60% of nylon 66 chip, 10-25% of nylon 46 chip, 5-20% of a lubricating agent, 5-15% of a maleic anhydride grafted ethylene elastomer, 5-15% of a reinforced modifier, 1-5% of kaolin, 0.1-0.5% of a compatibilizer, 0.1-1% of an antioxidant and 0.1-1% of white oil. The nylon composition provided by the invention has high strength, excellent high temperature resistance and abrasion resistance; and the prepared blade has excellent warping resistance and dimensional stability, and can effectively guarantee the angle of the sand filter blade.
Description
Technical field
The present invention relates to nylon composite of a kind of sand filter that spins for dust storm and preparation method thereof.
Background technology
Blade is the parts of the most basic in the dust storm spin sand filter and most critical, and its good design, reliable quality and superior performance are the deciding factors that guarantees the normal steady running of sand filter.Rugged environment and for a long time running have proposed the requirement wear-resisting, high temperature resistant, that fatigue strength is high to blade, have long work-ing life, can stand for a long time grit and impact.
The blade of at present dust storm spin sand filter adopts alloy material more, and quality is large, manufacturing cost is high and dimensional stability is bad.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the above-mentioned deficiency of prior art, and a kind of nylon composite for dust storm spin sand filter and preparation method thereof is provided.
In order to solve above technical problem, a kind of nylon composite for dust storm spin sand filter provided by the invention, made by the raw material of following quality proportioning:
Nylon 66 slice: 40-60%;
Nylon 46 section: 10-25%;
Lubricated anti-friction composition: 5-20%;
The vinyl elastomerics of maleic anhydride graft: 5-15%;
Reinforced modifier: 5-15%;
Kaolin: 1-5%;
Compatilizer 0.1-0.5%;
Oxidation inhibitor 0.1-1%;
White oil 0.1-1%.
This nylon composite also has following further improvement:
1, described nylon 66 slice is the low viscosity nylon 66 slice, and relative viscosity is 2.4-2.7pas.
2, described lubricated anti-friction composition is one or both the mixture in graphite or the tetrafluoroethylene; The vinyl elastomerics of described maleic anhydride graft is the terpolymer EP rubber (EPDM) of maleic anhydride graft.
3, described reinforced modifier is the glass fibre that process through silane coupling agent on the surface; Described oxidation inhibitor is the compound of Hinered phenols antioxidant and phosphite ester kind antioxidant, and wherein the quality proportioning of Hinered phenols antioxidant and phosphite ester kind antioxidant is 1:1; Described compatilizer is silicone.
In addition, the present invention also provides the preparation method of above-mentioned nylon composite for dust storm spin sand filter, comprises the steps:
The first step, prepare raw material by claim 1 component and proportioning;
Second step, the section of nylon 66 slice, nylon 46 is lower dry 4 hours at 120 ℃;
The 3rd goes on foot, other components except reinforced modifier is evenly mixed by proportioning, obtains mixture;
The 4th step, the 3rd mixture that obtain of step is put in the loading hopper of forcing machine, reinforced modifier joins in the forcing machine by the side feeding, through melt extruding granulation.
Further, described forcing machine is twin screw extruder, and described twin screw extruder is respectively distinguished temperature and is: a district 230-250 ℃, two district 230-250 ℃, three district 240-260 ℃, four district 260-280 ℃, five district 270-290 ℃, six district 260-280 ℃, seven district 260-280 ℃, eight district 250-270 ℃, nine district 250-270 ℃, head 250-270 ℃, the engine speed of twin screw extruder be 300 turn/min-400 turns/min.
The manufacture method of dust storm spin sand filter blade is, the particle that obtains according to claim 5 or 6 methods is carried out drying after, make by shot moulding.
The present invention has also protected the dust storm spin sand filter blade according to the preparation of claim 7 method.
Nylon composite provided by the invention has intensity large, excellent high temperature resistant, wear resisting property; The blade that makes has splendid anti-warpage properties and dimensional stability, can effectively guarantee the angle of sand filter blade.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, the below is clearly and completely described the technical scheme in the embodiment of the invention, and obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.
Embodiment one
A kind of nylon composite for dust storm spin sand filter, made by the raw material of following quality proportioning:
Nylon 66 slice: 50%;
Nylon 46 section: 15%;
Graphite: 5%;
Tetrafluoroethylene: 5%;
The EPDM:8% of maleic anhydride graft;
Glass fibre (process through Silane coupling agent KH550 on the surface): 13%;
Kaolin: 2.5 %;
Silicone: 0.3%;
Oxidation inhibitor: 0.6%;
White oil: 0.6%,
Oxidation inhibitor by Hinered phenols antioxidant 1098, phosphite ester kind antioxidant 168 in mass ratio 1:1 consist of.
Prepare raw material by said components and proportioning, nylon 66 slice and nylon 46 are cut into slices lower dry 4 hours at 120 ℃, rest materials except glass fibre adds high-speed mixer and stirred 5-10 minute, discharging, then reinstate the twin screw extruder extruding pelletization with 13% glass fibre one, twin screw extruder is respectively distinguished temperature: 230 ℃ in a district, 230 ℃ in two districts, 240 ℃ in three districts, 260 ℃ in four districts, 270 ℃ in five districts, 280 ℃ in six districts, 280 ℃ in seven districts, 270 ℃ in eight districts, 270 ℃ in nine districts, 270 ℃ of heads, 320 rev/mins of screw speeds.
Particle makes dust storm spin sand filter blade by shot moulding after drying.
Embodiment two
A kind of nylon composite for dust storm spin sand filter, made by the raw material of following quality proportioning:
Nylon 66 slice: 48%;
Nylon 46 section: 20%;
Tetrafluoroethylene: 8%;
The EPDM:8% of maleic anhydride graft;
Glass fibre (process through Silane coupling agent KH550 on the surface): 12%;
Kaolin: 2.5%;
Silicone: 0.3%;
Oxidation inhibitor: 0.6%;
White oil: 0.6%;
Oxidation inhibitor by Hinered phenols antioxidant 1098, phosphite ester kind antioxidant 168 in mass ratio 1:1 consist of.
Prepare raw material by said components and proportioning, nylon 66 slice and nylon 46 are cut into slices lower dry 4 hours at 120 ℃, rest materials except glass fibre adds high-speed mixer and stirred 5-10 minute, discharging, then reinstate the twin screw extruder extruding pelletization with 12% glass fibre one, twin screw extruder is respectively distinguished temperature: 250 ℃ in a district, 250 ℃ in two districts, 250 ℃ in three districts, 280 ℃ in four districts, 290 ℃ in five districts, 260 ℃ in six districts, 260 ℃ in seven districts, 250 ℃ in eight districts, 250 ℃ in nine districts, 250 ℃ of heads, 340 rev/mins of screw speeds.
Particle makes dust storm spin sand filter blade by shot moulding after drying.
Embodiment three
A kind of nylon composite for dust storm spin sand filter, made by the raw material of following quality proportioning:
Nylon 66 slice: 40%;
Nylon 46 section: 25%;
Tetrafluoroethylene: 5%;
The EPDM:15% of maleic anhydride graft;
Glass fibre (process through Silane coupling agent KH550 on the surface): 9%;
Kaolin: 5%;
Silicone: 0.5%;
Oxidation inhibitor: 0.3%;
White oil: 0.2%;
Oxidation inhibitor by Hinered phenols antioxidant 1098, phosphite ester kind antioxidant 168 in mass ratio 1:1 consist of.
Prepare raw material by said components and proportioning, nylon 66 slice and nylon 46 are cut into slices lower dry 4 hours at 120 ℃, rest materials except glass fibre adds high-speed mixer and stirred 5-10 minute, discharging, then reinstate the twin screw extruder extruding pelletization with 12% glass fibre one, twin screw extruder is respectively distinguished temperature: 240 ℃ in a district, 240 ℃ in two districts, 260 ℃ in three districts, 270 ℃ in four districts, 280 ℃ in five districts, 270 ℃ in six districts, 270 ℃ in seven districts, 260 ℃ in eight districts, 260 ℃ in nine districts, 260 ℃ of heads, 3400 rev/mins of screw speeds.
Particle makes dust storm spin sand filter blade by shot moulding after drying.
Embodiment four
A kind of nylon composite for dust storm spin sand filter, made by the raw material of following quality proportioning:
Nylon 66 slice: 60%;
Nylon 46 section: 10%;
Tetrafluoroethylene: 8%;
The EPDM:5% of maleic anhydride graft;
Glass fibre (process through Silane coupling agent KH550 on the surface): 10%;
Kaolin: 5%;
Silicone: 0.5%;
Oxidation inhibitor: 0.5%;
White oil: 1%;
Oxidation inhibitor by Hinered phenols antioxidant 1098, phosphite ester kind antioxidant 168 in mass ratio 1:1 consist of.
Prepare raw material by said components and proportioning, nylon 66 slice and nylon 46 are cut into slices lower dry 4 hours at 120 ℃, rest materials except glass fibre adds high-speed mixer and stirred 5-10 minute, discharging, then reinstate the twin screw extruder extruding pelletization with 12% glass fibre one, twin screw extruder is respectively distinguished temperature: 240 ℃ in a district, 240 ℃ in two districts, 260 ℃ in three districts, 270 ℃ in four districts, 280 ℃ in five districts, 270 ℃ in six districts, 270 ℃ in seven districts, 260 ℃ in eight districts, 260 ℃ in nine districts, 260 ℃ of heads, 3400 rev/mins of screw speeds.
Particle makes dust storm spin sand filter blade by shot moulding after drying.
| Performance index | Prescription 1 | Prescription 2 | Prescription 3 | Prescription 4 |
| Tensile strength Mpa | 127 | 119 | 125 | 122 |
| 23 ℃ of notched Izod impact strength KJ/m 2 | 31 | 36 | 33 | 34 |
| -50 ℃ of notched Izod impact strength KJ/m 2 | 8 | 9 | 8 | 9 |
| Angularity (mm) | 0.32 | 0.37 | 0.34 | 0.35 |
| Wear rate cm 3/N·M | 11.9×10 -8 | 13.4×10 -8 | 12.2×10 -8 | 12.8×10 -8 |
| Heat-drawn wire (℃) | 217 | 229 | 219 | 225 |
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (8)
1. nylon composite that is used for dust storm spin sand filter, made by the raw material of following quality proportioning:
Nylon 66 slice: 40-60%;
Nylon 46 section: 10-25%;
Lubricated anti-friction composition: 5-20%;
The vinyl elastomerics of maleic anhydride graft: 5-15%;
Reinforced modifier: 5-15%;
Kaolin: 1-5%;
Compatilizer 0.1-0.5%;
Oxidation inhibitor 0.1-1%;
White oil 0.1-1%.
2. the nylon composite for dust storm spin sand filter according to claim 1, it is characterized in that: described nylon 66 slice is the low viscosity nylon 66 slice, relative viscosity is 2.4-2.7pas.
3. the nylon composite for dust storm spin sand filter according to claim 1 is characterized in that: described lubricated anti-friction composition is one or both the mixture in graphite or the tetrafluoroethylene; The vinyl elastomerics of described maleic anhydride graft is the terpolymer EP rubber of maleic anhydride graft.
4. the nylon composite for dust storm spin sand filter according to claim 1 is characterized in that: the glass fibre that described reinforced modifier is processed through silane coupling agent for the surface; Described oxidation inhibitor is the compound of Hinered phenols antioxidant and phosphite ester kind antioxidant, and wherein the quality proportioning of Hinered phenols antioxidant and phosphite ester kind antioxidant is 1:1; Described compatilizer is silicone.
5. be used for the preparation method of the nylon composite of dust storm spin sand filter, comprise the steps:
The first step, prepare raw material by claim 1 component and proportioning;
Second step, the section of nylon 66 slice, nylon 46 is lower dry 4 hours at 120 ℃;
The 3rd goes on foot, other components except reinforced modifier is evenly mixed by proportioning, obtains mixture;
The 4th step, the 3rd mixture that obtain of step is put in the loading hopper of forcing machine, reinforced modifier joins in the forcing machine by the side feeding, through melt extruding granulation.
6. the preparation method of described nylon composite for dust storm spin sand filter according to claim 5, it is characterized in that: described forcing machine is twin screw extruder, described twin screw extruder is respectively distinguished temperature: a district 230-250 ℃, two district 230-250 ℃, three district 240-260 ℃, four district 260-280 ℃, five district 270-290 ℃, six district 260-280 ℃, seven district 260-280 ℃, eight district 250-270 ℃, nine district 250-270 ℃, head 250-270 ℃, the engine speed of twin screw extruder be 300 turn/min-400 turns/min.
7. the manufacture method of dust storm spin sand filter blade to according to claim 5 or after the particle that obtains of 6 methods carries out drying, makes by shot moulding.
8. the dust storm of method preparation spin sand filter blade according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210402951.2A CN103073885B (en) | 2012-10-22 | 2012-10-22 | Nylon composition for wind-blown sand spinning sand filter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210402951.2A CN103073885B (en) | 2012-10-22 | 2012-10-22 | Nylon composition for wind-blown sand spinning sand filter and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103073885A true CN103073885A (en) | 2013-05-01 |
| CN103073885B CN103073885B (en) | 2015-01-21 |
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Cited By (4)
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| CN103408927A (en) * | 2013-08-09 | 2013-11-27 | 安徽科聚新材料有限公司 | Composite fiber modified nylon material and preparation method thereof |
| CN103602064A (en) * | 2013-11-12 | 2014-02-26 | 苏州博利迈新材料科技有限公司 | Reinforced toughened wear-resistant nylon 66/nylon 612 and preparation method and applications thereof |
| CN104046017A (en) * | 2014-06-17 | 2014-09-17 | 合肥杰事杰新材料股份有限公司 | Wear-resistant and high-temperature-resistant nylon composite material and preparation method thereof |
| CN106084754A (en) * | 2016-06-21 | 2016-11-09 | 惠安县威科电子科技有限公司 | A kind of PA toughening material utilizing waste and old PA material to prepare |
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| CN1590455A (en) * | 2003-09-05 | 2005-03-09 | 中国科学院兰州化学物理研究所 | Abrasion resistant self lubricating nylon complex material and its preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408927A (en) * | 2013-08-09 | 2013-11-27 | 安徽科聚新材料有限公司 | Composite fiber modified nylon material and preparation method thereof |
| CN103602064A (en) * | 2013-11-12 | 2014-02-26 | 苏州博利迈新材料科技有限公司 | Reinforced toughened wear-resistant nylon 66/nylon 612 and preparation method and applications thereof |
| CN104046017A (en) * | 2014-06-17 | 2014-09-17 | 合肥杰事杰新材料股份有限公司 | Wear-resistant and high-temperature-resistant nylon composite material and preparation method thereof |
| CN104046017B (en) * | 2014-06-17 | 2017-09-05 | 合肥杰事杰新材料股份有限公司 | A kind of wear-resisting high temperature resistant nylon composite material and preparation method thereof |
| CN106084754A (en) * | 2016-06-21 | 2016-11-09 | 惠安县威科电子科技有限公司 | A kind of PA toughening material utilizing waste and old PA material to prepare |
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| Publication number | Publication date |
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| CN103073885B (en) | 2015-01-21 |
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Owner name: JIANGSU TIEKE NEW MATERIAL CO., LTD. Free format text: FORMER NAME: ZHENJIANG TIEKE RUBBER PRODUCTS LTD. |
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Address after: 212000 No. 29, Xing Xing Road, Jiangsu, Zhenjiang Patentee after: River Cycadaceae new material limited company Address before: 212021 No. 29, Xing Xing Road, Jiangsu, Zhenjiang Patentee before: Zhenjiang Tieke Rubber Products Ltd. |