CN103319844A - Polyformaldehyde-resin-modified polytetrafluoroethylene alloy - Google Patents
Polyformaldehyde-resin-modified polytetrafluoroethylene alloy Download PDFInfo
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- CN103319844A CN103319844A CN 201210075448 CN201210075448A CN103319844A CN 103319844 A CN103319844 A CN 103319844A CN 201210075448 CN201210075448 CN 201210075448 CN 201210075448 A CN201210075448 A CN 201210075448A CN 103319844 A CN103319844 A CN 103319844A
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Abstract
The invention discloses a polyformaldehyde-resin-modified polytetrafluoroethylene alloy comprising, by weight, 100 parts of polyformaldehyde resin, 10-15 parts of polytetrafluoroethylene, 10-20 parts of carbon fiber, 4-8 parts of ultra-high molecular weight polyethylene, 6-10 parts of MoS2, 1-3 parts of graphite, 0.1-0.3 parts of antioxidant 1010, and 1-2 parts of zinc stearate. The alloy provided by the invention has advantages of low friction coefficient, high strength, and the like. The alloy provided by the invention is mainly applied for wear-resistant machine components and other components with high wear resistance, such as gears.
Description
Technical field
The present invention relates to a kind of polyformaldehyde resin plastics, relate in particular to a kind of polyformaldehyde resin modified Teflon alloy.
Background technology
Polyoxymethylene (English: polyformaldehyde), be a kind of thermoplasticity crystalline polymer.Be described as " supersteel " or " match steel ", claim again polyoxymethylene, english abbreviation is POM.The polymkeric substance of common oxymethylene polymerization gained, the polymerization degree is not high, and is subject to thermal depolymerization.
Polyoxymethylene is a kind of smooth surface, and glossiness hard and fine and close material is yellowish or white, can be at life-time service in the-40-100 ℃ temperature range.Its wear resistance and self lubricity are also superior than most engineering plastics, and good oil resistant is arranged again, anti-superoxide performance.Very not acidproof, not anti-highly basic and the not radiation of anti-solar ultraviolet.
The tensile strength of polyoxymethylene reaches 70MPa, and water-absorbent is little, and dimensional stabilizing is glossy, and these performances are all good than nylon, and polyoxymethylene is the resin of highly crystalline, is the most tough and tensile in thermoplastic resin.Tool heat resistanceheat resistant intensity, flexural strength, resistance to fatigue intensity is all high, and wear resistance and electrical property are good.
Summary of the invention
The deficiency that exists for solving prior art, technical problem to be solved by this invention provides a kind of polyformaldehyde resin modified Teflon alloy.
A kind of polyformaldehyde resin modified Teflon alloy, formed by weight by following component: 100 parts of polyformaldehyde resins, tetrafluoroethylene 10-15 part, carbon fiber 10-20 part, ultrahigh molecular weight polyethylene(UHMWPE) 4-8 part, MoS2 6-10 part, graphite 1-3 part, 1010 oxidation inhibitor 0.1-0.3 parts, Zinic stearas 1-2 part.
Above-mentioned each component is mixed, adopt the ordinary method granulation, can make polyformaldehyde resin modified Teflon alloy of the present invention.
Tetrafluoroethylene (Polytetrafluoroethene, english abbreviation is PTFE, (being commonly called as " King "), trade name Teflon, then various places are different for this trade mark Chinese translation: the China's Mainland is translated into Hong Kong, Teflon and is translated into Teflon, Taiwan is translated into Teflon), the product of this material generally is referred to as work " non-sticky metallic coating "/" easy clean pot material "; It is a kind of synthetic macromolecular material that has used fluorine to replace all hydrogen atoms in the polyethylene.This material has the characteristics of antiacid alkali resistant, anti-various organic solvents, is dissolved in hardly all solvents.Simultaneously, tetrafluoroethylene has resistant to elevated temperatures characteristics, and its frictional coefficient is extremely low, so can do after the lubrication, also becomes the desirable coating of non-stick cooker and water pipe internal layer.Tetrafluoroethylene has outstanding excellent comprehensive performance, and is high temperature resistant, corrosion-resistant, sticking, self-lubricating, good dielectric properties, very low frictional coefficient.As engineering plastics, can be made into polyfluortetraethylene pipe, rod, band, plate, film etc., generally be applied to the higher corrosion resistant pipeline of performance requriements, container, pump, valve and radar processed, high frequency Communication Equipment, radio component parts etc.
Carbon fiber (carbon fiber), as its name suggests, it not only has the intrinsic intrinsic property of carbon material, has again the soft workability of textile fibres concurrently, is fortifying fibre of new generation.Compare with traditional glass fibre (GF), Young's modulus is that they are more than 3 times; It is compared with kevlar fiber (KF-49), and not only Young's modulus is about its 2 times, and insoluble not swollen in organic solvent, acid, alkali, and solidity to corrosion is transcendent.Have the scholar in 1981 PAN base CF to be immersed in the highly basic NaOH solution, time out went more than 30 year, and it still keeps fibre shape so far.
Ultrahigh molecular weight polyethylene(UHMWPE) English name ultra-high molecular weight polyethylene (being called for short UHMWPE) is the polyethylene of molecular weight more than 1,000,000.Molecular formula :-(-CH2-CH2-)-n-, density: 0.936～0.964g/cm3.85 ℃ of heat-drawn wires (0.46MPa), 130～136 ℃ of fusing points.
Molybdenumdisulphide, English another name: Molybdenum (IV) sulfide, Molybdenumdisulfide, Molybdicsulfide, chemical formula: MoS2.
The polyformaldehyde resin modified Teflon alloy of the present invention preparation has that frictional coefficient is low, the intensity high, is mainly used in abrasion resisting mechanical component and other high-wearing feature component, such as gear.
Embodiment:
100 kilograms of polyformaldehyde resins, 12.5 kilograms of tetrafluoroethylene, 15 kilograms on carbon fiber, 6 kilograms of ultrahigh molecular weight polyethylene(UHMWPE)s, 8 kilograms of MoS2,2 kilograms in graphite, 0.2 kilogram in 1010 oxidation inhibitor, 1.5 kilograms of Zinic stearass.
Above-mentioned each component is mixed, adopt the ordinary method granulation, can make polyformaldehyde resin modified Teflon alloy of the present invention.
After tested:
Tensile strength 52MPa;
Elongation at break 18.5%;
Modulus in tension 1.82GPa;
Flexural strength 75 MPa;
Bending elastic modulus 2.53GPa;
Frictional coefficient 0.14.
Polyformaldehyde resin modified Teflon alloy of the present invention is applicable to prepare the transmission wear resistant products, such as gear.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (1)
1. polyformaldehyde resin modified Teflon alloy, formed by weight by following component: 100 parts of polyformaldehyde resins, tetrafluoroethylene 10-15 part, carbon fiber 10-20 part, ultrahigh molecular weight polyethylene(UHMWPE) 4-8 part, MoS2 6-10 part, graphite 1-3 part, 1010 oxidation inhibitor 0.1-0.3 parts, Zinic stearas 1-2 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210075448 CN103319844A (en) | 2012-03-21 | 2012-03-21 | Polyformaldehyde-resin-modified polytetrafluoroethylene alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210075448 CN103319844A (en) | 2012-03-21 | 2012-03-21 | Polyformaldehyde-resin-modified polytetrafluoroethylene alloy |
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| Publication Number | Publication Date |
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| CN103319844A true CN103319844A (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210075448 Pending CN103319844A (en) | 2012-03-21 | 2012-03-21 | Polyformaldehyde-resin-modified polytetrafluoroethylene alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104672771A (en) * | 2015-02-06 | 2015-06-03 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material capable of reducing friction coefficient and preparation method thereof |
| CN105924886A (en) * | 2016-05-16 | 2016-09-07 | 苏州新区华士达工程塑胶有限公司 | Polyformaldehyde-modified plastic |
| CN107286566A (en) * | 2017-07-17 | 2017-10-24 | 宁波海雨新材料科技有限公司 | A kind of activeness and quietness improved polyoxymethylene composite |
| CN109912923A (en) * | 2019-02-21 | 2019-06-21 | 浙江中达精密部件股份有限公司 | A kind of wear-resisting polyformaldehyde material and preparation method thereof |
| CN111303520A (en) * | 2020-03-23 | 2020-06-19 | 中国科学院兰州化学物理研究所 | Polymer sliding material for bridge support and preparation method thereof |
-
2012
- 2012-03-21 CN CN 201210075448 patent/CN103319844A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104672771A (en) * | 2015-02-06 | 2015-06-03 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material capable of reducing friction coefficient and preparation method thereof |
| CN105924886A (en) * | 2016-05-16 | 2016-09-07 | 苏州新区华士达工程塑胶有限公司 | Polyformaldehyde-modified plastic |
| CN107286566A (en) * | 2017-07-17 | 2017-10-24 | 宁波海雨新材料科技有限公司 | A kind of activeness and quietness improved polyoxymethylene composite |
| CN109912923A (en) * | 2019-02-21 | 2019-06-21 | 浙江中达精密部件股份有限公司 | A kind of wear-resisting polyformaldehyde material and preparation method thereof |
| CN111303520A (en) * | 2020-03-23 | 2020-06-19 | 中国科学院兰州化学物理研究所 | Polymer sliding material for bridge support and preparation method thereof |
| CN111303520B (en) * | 2020-03-23 | 2021-09-14 | 中国科学院兰州化学物理研究所 | Polymer sliding material for bridge support and preparation method thereof |
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Application publication date: 20130925 |