CN1657579A - Fluorine-containing paint for rubber cable - Google Patents
Fluorine-containing paint for rubber cable Download PDFInfo
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- CN1657579A CN1657579A CN 200510023599 CN200510023599A CN1657579A CN 1657579 A CN1657579 A CN 1657579A CN 200510023599 CN200510023599 CN 200510023599 CN 200510023599 A CN200510023599 A CN 200510023599A CN 1657579 A CN1657579 A CN 1657579A
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- fluorine
- cable
- rubber cable
- containing paint
- coating
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Abstract
A fluoric paint for rubber cable, especially the windings of electric generator and motor is proportionally prepared from fluoroethene-hydrocarbylvinylether copolymer, toughening elastomer, isocyanate-type solidifying agent, electric conducting powder and arylhydrocarbon-type diluent.
Description
Technical field
The present invention relates to a kind of fluorine-containing electrically conducting coating, belong to a kind of new coating.The present invention can be used as rubber cable, and especially generator and electric motor are with the surface coating of winding cable.
Background technology
As everyone knows, fluorine resin and viton have good heat-resisting, ageing-resistant, chemical-resistant resistance and anti-fouling performance, are widely used as coated material.The basic reason that fluoro-containing coating has above-mentioned characteristic is, fluorine is an electronegativity maximum (4.0) in all elements, polarizable rate is minimum, atomic radius footpath smaller elements (0.135nm), the C-F key that forms between it and carbon atom is extremely short, (the c h bond bond energy is 413.2kJ/mol to bond energy up to 485.6kJ/mol, C-C key bond energy is 136.5kJ/mol), and the ultraviolet region beta maximum energy reaches 398.5kJ/mol, as seen the highest so molecular structure stabilized of bond energy of C-F key, be heated, under the effect of light (comprising ultraviolet ray), the C-F key is difficult to fracture, therefore demonstrates extraordinary weather resisteant and resistant to chemical media corrosive nature.In addition, fluorine atom polarity is very low, has self-lubricating surface simultaneously, thus have not viscosity and smoothness, so anti-stain characteristic is stronger, cleans easily in case polluted also.
Fluorocarbon coating principal item in the market has polytetrafluoroethylene (PTFE) coating, poly(vinylidene fluoride) (PVDF) coating, vinyl fluoride and alkyl vinyl ether co-polymer (FEVE) coating etc.Wherein PTFE and PVDF belong to crystalline polymer, are insoluble to solvent under the normal temperature, only can make the organic solvent dispersion by means of auxiliary agent, and need high bake ability film forming more than 220 ℃, and obviously the sheath for rubber substrate is improper for this.Since FEVE introducing in various degree hydrophilic monomer, its degree of crystallinity is lower than chlorotrifluoroethylene homopolymer.The interaction of functional groups such as the ether that contains in this multipolymer, carboxyl, ester group, hydroxyl and polar water molecules helps improving the water-soluble of multipolymer.This multipolymer can carry out crosslinked under lower temperature, even cold cross-linking solidifies.FEVE fluorocarbon coating on the market mainly uses the surfacecti proteon and the decoration of aspect such as structure such as Highrise buildings body of wall, metal construction, bridge, automobile and industrial implementation out of doors now, and these occasions are because coated substrate is a rigid material, so require not high to the film flexibility aspect.
Analyze from the coating resin structure, though the functional groups of modifications such as hydroxyl, carboxyl is arranged on the FEVE resin macromolecular chain, can improve some adhesive force of coatings and snappiness, still there is a big difference by comparison with rubber elastomer.
Summary of the invention
Technical problem to be solved by this invention is will obtain a kind ofly not only to be suitable for being coated in the rubber cable surface, have good snappiness but also have the fluoro-containing coating of satisfactory electrical conductivity.
The concrete technical scheme that solves the problems of the technologies described above is as follows: a kind of fluorine-containing paint for rubber cable, the formula constituent parts by weight are: 100 parts of vinyl fluorides and alkyl vinyl ether co-polymer (being called for short FEVE), 10-20 part toughening elastic body, 15 parts of isocyanide acids solidifying agent, 10-20 part conducting powder, 50-80 part aromatic hydrocarbons thinner.
Adopt fluorine-containing paint for rubber cable of the present invention to be coated in cable surface, can prevent Plastic-sheathed Cable owing to long-time running, small-molecule substance precipitate into the increase that cable surface causes the surface resistivity of cable.This paint solidification forms the conductive coating of one deck densification in conductive jacket outside close attachment, so can make the surface resistivity of cable unaffected.Another effect of conductive coating is to reduce between cable and the frictional force between cable and other objects.Conductive coating is a fluorocarbon coating, has good electrical conductivity and oilness.With conductive jacket good adhesive is arranged behind the conductive coating crosslinking curing, and can change along with the telescopic variation of conductive jacket, promptly have excellent flexibility, also have electroconductibility preferably in addition, can not increase the contact resistance between cable conduction sheath and grounding sleeve.Conductive coating is weather-proof corrosion resistant, can increase cable life.
The coating processes flow process of cable:
The flow process of fluorine-containing paint for rubber cable coating processes of the present invention is: adopt general coating processes, cable is passed through aerial spraying, levelling, solidifies, cools off by crawler-tread, crawler belt output gets final product.
Embodiment
Adopt vinyl fluoride and alkyl vinyl ether co-polymer (being called for short FEVE), toughening elastic body to select for use viton, isocyanide acids solidifying agent, conducting powder to select graphitized carbon black, aromatic hydrocarbons thinner for use.Concrete coating processes parameter is:
Cable speed: 3.05 meters/minute; Pressure pot pressure: 0.4 kilogram; Spray gun pressure: 2.5 kilograms.
Conductive coating is behind 180 ℃ of crosslinking curing 6min, and on conductive jacket, any bending of cable can not cause the conductive coating cracking yet or come off with regard to tight adhesion.The bloom phenomenon does not appear in cable in actual use yet.About the surface resistivity 500 Ω/m of cable, how much cable surface resistance after can finding to apply do not increase.
Embodiment specifically is listed as follows: (unit: mass parts)
| Embodiment | ????FEVE | Elastomerics | Conducting powder | Film flexibility | Coatingsurface resistance Ω/m |
| ????1 | ????100 | ????20 | ????15 | Good | ????700 |
| ????2 | ????100 | ????10 | ????20 | Generally | ????750 |
| ????3 | ????100 | ????20 | ????10 | Good | ????850 |
| ????4 | ????100 | ????10 | ????15 | Generally | ????800 |
| ????5 | ????100 | ????20 | ????20 | Good | ????500 |
| ????6 | ????100 | ????20 | ????15 | Generally | ????750 |
Claims (3)
1, a kind of fluorine-containing paint for rubber cable, the formula constituent parts by weight are: 100 parts of vinyl fluorides and alkyl vinyl ether co-polymer, 10-20 part toughening elastic body, 15 parts of isocyanide acids solidifying agent, 10-20 part conducting powder, 50-80 part aromatic hydrocarbons thinner.
2, fluorine-containing paint for rubber cable according to claim 1 is characterized in that described toughening elastic body is a viton.
3, fluorine-containing paint for rubber cable according to claim 1 is characterized in that described conducting powder selects graphitized carbon black for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023599 CN1657579A (en) | 2005-01-26 | 2005-01-26 | Fluorine-containing paint for rubber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023599 CN1657579A (en) | 2005-01-26 | 2005-01-26 | Fluorine-containing paint for rubber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1657579A true CN1657579A (en) | 2005-08-24 |
Family
ID=35007291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510023599 Pending CN1657579A (en) | 2005-01-26 | 2005-01-26 | Fluorine-containing paint for rubber cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1657579A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7553540B2 (en) | 2005-12-30 | 2009-06-30 | E. I. Du Pont De Nemours And Company | Fluoropolymer coated films useful for photovoltaic modules |
| US7981478B2 (en) | 2005-12-30 | 2011-07-19 | E. I. Du Pont De Nemours And Company | Fluoropolymer coating compositions containing adhesive polymers and substrate coating process |
| US8025928B2 (en) | 2007-04-23 | 2011-09-27 | E. I. Du Pont De Nemours And Company | Process for forming fluoropolymer coated film |
| US8124221B2 (en) | 2006-12-21 | 2012-02-28 | E. I. Du Pont De Nemours And Company | Crosslinkable vinyl fluoride copolymer coated film and process for making same |
| CN102667967A (en) * | 2009-11-10 | 2012-09-12 | 大金工业株式会社 | Cable, cable duct and methods for manufacturing cable and cable duct |
| CN112898835A (en) * | 2021-01-22 | 2021-06-04 | 广东金源宇电线电缆有限公司 | Low-temperature-resistant rubber cable coating and preparation method thereof |
-
2005
- 2005-01-26 CN CN 200510023599 patent/CN1657579A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7553540B2 (en) | 2005-12-30 | 2009-06-30 | E. I. Du Pont De Nemours And Company | Fluoropolymer coated films useful for photovoltaic modules |
| US7981478B2 (en) | 2005-12-30 | 2011-07-19 | E. I. Du Pont De Nemours And Company | Fluoropolymer coating compositions containing adhesive polymers and substrate coating process |
| US8012542B2 (en) | 2005-12-30 | 2011-09-06 | E.I. Du Pont De Nemours And Company | Fluoropolymer coating compositions containing adhesive polymers and substrate coating process |
| US8048518B2 (en) | 2005-12-30 | 2011-11-01 | E.I. Du Pont De Nemours And Company | Fluoropolymer coated films useful for photovoltaic modules |
| US8062744B2 (en) | 2005-12-30 | 2011-11-22 | E. I. Du Pont De Nemours And Company | Fluoropolymer coated films useful for photovoltaic modules |
| US8197933B2 (en) | 2005-12-30 | 2012-06-12 | E.I. Du Pont De Nemours And Company | Fluoropolymer coated films useful for photovoltaic module |
| US8124221B2 (en) | 2006-12-21 | 2012-02-28 | E. I. Du Pont De Nemours And Company | Crosslinkable vinyl fluoride copolymer coated film and process for making same |
| US8025928B2 (en) | 2007-04-23 | 2011-09-27 | E. I. Du Pont De Nemours And Company | Process for forming fluoropolymer coated film |
| US8168297B2 (en) | 2007-04-23 | 2012-05-01 | E. I. Du Pont De Nemours And Company | Fluoropolymer coated film, process for forming the same, and fluoropolymer liquid composition |
| CN102667967A (en) * | 2009-11-10 | 2012-09-12 | 大金工业株式会社 | Cable, cable duct and methods for manufacturing cable and cable duct |
| CN112898835A (en) * | 2021-01-22 | 2021-06-04 | 广东金源宇电线电缆有限公司 | Low-temperature-resistant rubber cable coating and preparation method thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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