CN103275441B - A kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller - Google Patents
A kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller Download PDFInfo
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- CN103275441B CN103275441B CN201310251518.8A CN201310251518A CN103275441B CN 103275441 B CN103275441 B CN 103275441B CN 201310251518 A CN201310251518 A CN 201310251518A CN 103275441 B CN103275441 B CN 103275441B
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Abstract
The present invention relates to a kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller, it comprises the formula materials of following weight part: polyvinyl chloride resin 75-90 part, nanometer silicon carbide whiskers 1-5 part, thermo-stabilizer 4-9 part, chlorinated polyvinyl chloride 5-10 part, calcium stearate 0.3-0.8 part, stearic acid 0.2-0.7 part, polyethylene wax 0.1-0.3 part, processing rheological agent 0.1-0.3 part, antimonous oxide 3-6 part, static inhibitor 2-5 part, graphitized carbon black 4-8 part.The present invention has excellent wear resisting property and higher intensity.
Description
Technical field
The present invention relates to a kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller.
Background technology
Carrying roller is the vitals of endless belt conveyor, and kind is many, and quantity is large.The effect of carrying roller is support belt and weight of material, the necessary flexibility and reliability of carrying roller running, reduce the frictional force of conveying belt with carrying roller, although carrying roller is a small parts in endless belt conveyor, structure is also uncomplicated, but produce high-quality carrying roller not a duck soup, current high-polymer supporting roller select materials mainly contains ultrahigh molecular weight polyethylene(UHMWPE), nylon and polyoxymethylene, due to the carrying roller that uses for underground coal mine need to flame retardant properties have higher want ask, so ultrahigh molecular weight polyethylene(UHMWPE), nylon and polyoxymethylene need in formula, add a large amount of fire retardant when being used for carrying roller, flame-retardancy requirements could be solved, thus cause Material Physics mechanical property to decline.And polyvinyl chloride (PVC) have fire-retardant, chemical proofing is high, physical strength and the good advantage of electrical insulating property, but its wear resisting property is compared with the difference of ultrahigh molecular weight polyethylene(UHMWPE) and nylon-6.Therefore, the wear resistance how improving PVC carrying roller under the condition ensureing mechanical property is the object that the present invention studies.
Summary of the invention
The object of the present invention is to provide a kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller.For improving the wear resisting property of material, the present invention obtains the excellent pvc material of wear resisting property by adding silicon carbide whisker in formula.
The present invention adopts following technical scheme:
The present invention prepares burden by following formula: polyvinyl chloride resin 75-90 part, nanometer silicon carbide whiskers 1-5 part, one package stabilizer 4-9 part, chlorinated polyvinyl chloride (CPE) 5-10 part, calcium stearate 0.3-0.8 part, stearic acid 0.2-0.7 part, polyethylene wax 0.1-0.3 part, processing rheological agent ACR0.1-0.3 part, antimonous oxide (Sb
2o
3) 3-6 part, static inhibitor 2-5 part, graphitized carbon black 4-8 part (being weight part above).
Wherein, the polymerization degree of polyvinyl chloride resin is preferably 1300 or 1000.
Wherein, described polyvinyl chloride resin is S-1000 or S-1300 that suspension polymerization mode is produced.
Wherein, described processing rheological agent is ACR or MBS.
Wherein, described thermo-stabilizer is calcium zinc, organotin or lead salt.
Wherein, described static inhibitor is ionic anti-static agent, graphitized carbon black.
The present invention adopts nanometer silicon carbide whiskers to be the single crystal fibre with certain length-to-diameter ratio (the preferred 50-300 of length-to-diameter ratio), and it has goodish high temperature resistant property, very high strength and splendid wear resisting property.Added to by nanometer silicon carbide whiskers in the pvc material for the manufacture of carrying roller, the physical strength of pvc material improves a lot, and especially wear resisting property has and improves significantly.
Filling a prescription after weighing in temperature by the present invention is mix 10 minutes in 100 DEG C of high-speed mixers, be banburying 3 minutes in 200 milliliters of Banbury mixeies of 170 DEG C again in torque rheometer temperature by the material mixed, molten materials good for banburying is about the flap of 2mm at the upper and lower thickness of two roll plastic mixing mill that roller temperature is about 170 DEG C, it is the test piece of 2mm and 4mm that this flap is suppressed thickness at the flat board that temperature is 175 DEG C, then test with the sample that processing units processes standard-required, the performance of material is in table 1:
Table 1 material property of the present invention
Embodiment
The invention will be further described to use embodiment 1-4 and comparative example 1-2 below, and the present invention is not limited to this.
The polyvinyl chloride (S-1000 and S-13000) adopting Qilu Petrochemical Company's chlor-alkali plant is material of main part, it is in 100 mass parts, according to the listed formula preparation of table 2 meet application claims using calcium zinc as thermo-stabilizer, using CPE as toughner, using antimonous oxide as synergistic fire retardant, using graphitized carbon black as static inhibitor and the PVC blend using nanometer silicon carbide whiskers as anti-wear agent, using ACR as processing auxiliary rheological agents embodiment 1-4.Adopt similar distribution, using graphite for comparing 1, not using nanometer silicon carbide for comparing 2.
Table 2 specific embodiment of the invention
Table 3 material property
Claims (2)
1. for the manufacture of a high-strength, high-anti-friction the development of PVC nanocomposites for carrying roller, it is characterized in that, prepare burden by the formula of following weight part:
Polyvinyl chloride resin 75-90 part, nanometer silicon carbide whiskers 1-5 part, one package stabilizer 4-9 part, chlorinated polyvinyl chloride 5-10 part, calcium stearate 0.3-0.8 part, stearic acid 0.2-0.7 part, polyethylene wax 0.1-0.3 part, processing rheological agent ACR0.1-0.3 part, antimonous oxide 3-6 part, static inhibitor 2-5 part, graphitized carbon black 4-8 part;
The single crystal fibre of described nanometer silicon carbide whiskers to be length-to-diameter ratio be 50-300.
2. a kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller according to claim 1, it is characterized in that, described polyvinyl chloride resin is S-1000 or S-1300 that suspension polymerization mode is produced.
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| CN201310251518.8A CN103275441B (en) | 2013-06-24 | 2013-06-24 | A kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller |
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| CN201310251518.8A CN103275441B (en) | 2013-06-24 | 2013-06-24 | A kind of high-strength, high-anti-friction the development of PVC nanocomposites for the manufacture of carrying roller |
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| CN103275441A CN103275441A (en) | 2013-09-04 |
| CN103275441B true CN103275441B (en) | 2015-11-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103612886B (en) * | 2013-11-02 | 2016-08-31 | 繁峙县振华微晶铸石有限公司 | A kind of ribbon conveyer wear-resistance and anti-corrosion composite roller and preparation method thereof |
| CN103613883B (en) * | 2013-11-29 | 2016-01-13 | 中国科学院金属研究所 | A kind of take Graphene as Wear-resistant hard composite material of filler and preparation method thereof |
| CN107254114A (en) * | 2017-06-22 | 2017-10-17 | 山东省华斯达工贸有限公司 | A kind of wear-resistant carrier roller pipe and preparation method thereof |
| CN114381058A (en) * | 2021-11-30 | 2022-04-22 | 神华科技发展有限责任公司 | Composition for preparing carrier roller body and preparation method and application thereof |
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| JPS60192750A (en) * | 1984-03-13 | 1985-10-01 | Sekisui Chem Co Ltd | Vinyl chloride resin molding and molding method |
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| CN1148133A (en) * | 1996-06-25 | 1997-04-23 | 生寿斋 | Anti-static and flame-retardant composite for plastic conveyer roller of coal mine and its mfg. method |
| CN1188777A (en) * | 1997-01-23 | 1998-07-29 | 薛治凯 | Fire-resistant antistatic modified plastic |
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